CN103455083B - Armrest unit - Google Patents
Armrest unit Download PDFInfo
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- CN103455083B CN103455083B CN201310401793.3A CN201310401793A CN103455083B CN 103455083 B CN103455083 B CN 103455083B CN 201310401793 A CN201310401793 A CN 201310401793A CN 103455083 B CN103455083 B CN 103455083B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
- B60N2/767—Angle adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
- B60N2/77—Height adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
- B60N2/773—Longitudinal adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/79—Adaptations for additional use of the arm-rests
- B60N2/797—Adaptations for additional use of the arm-rests for use as electrical control means, e.g. switches
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/58—Rests or guides for relevant parts of the operator's body
- G05G1/62—Arm rests
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
- G05G5/065—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only using a spring-loaded ball
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Mechanical Control Devices (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
Abstract
The invention provides a kind of armrest unit, it is applied to the working truck being attached to working rig, this armrest unit possesses the side of the driver's seat being configured in above-mentioned working truck and is formed with the casing in handrail region and the functional unit be supported on above-mentioned casing at upper surface, wherein, above-mentioned casing have upper surface be formed above-mentioned handrail region armrest part and from the front extension that above-mentioned armrest part forwards extends, the PTO joint opening operation parts that aforesaid operations parts comprise the variable-speed operation parts for carrying out speed change to the travel speed of above-mentioned working truck and throw off for making the power transmission to above-mentioned working rig combine, above-mentioned variable-speed operation parts and above-mentioned PTO engage the opening operation leading section that parts are playing a role as operating portion and extend outward, and above-mentioned variable-speed operation parts be positioned at the front compared with engaging opening operation parts with above-mentioned PTO state under, be supported on above-mentioned front extension.
Description
The application is international filing date is on November 19th, 2009, in the divisional application that on May 12nd, 2011 enters National Phase in China, international application no is PCT/JP2009/069604, application number is the application for a patent for invention " handle structure of working truck, the operating portion structure of working truck and armrest unit " of 200980144993.7.
Technical field
The present invention relates to the handle structure being applied to the working trucks such as tractor, in detail, relate to the handle structure of the working truck of the armrest body with the body Width one side side being configured in driver's seat.
The invention still further relates to the operating portion structure being applied to the working trucks such as tractor, in detail, relate to be configured with in the body Width one side side of driver's seat rod guide, can the operating portion structure of working truck of manually-operated multiple functional unit and handrail.
The invention still further relates to the armrest unit being applied to the working trucks such as tractor.
Background technology
Be applied to the handle structure of the working trucks such as tractor, the handle structure namely with the working truck of the armrest body of the body Width one side side being configured in driver's seat was just known in the past.
Such as, in following patent documentation 1, disclose and possess along the above-mentioned armrest body of body fore-and-aft direction with from above-mentioned armrest body along the front extension that body fore-and-aft direction forwards extends, and be provided with the handle structure of the variable-speed operation parts of push-press type at the upper surface of above-mentioned front extension.
Configure the high above-mentioned variable-speed operation parts of usage frequency near the handle structure that above-mentioned patent documentation 1 is recorded can place arm above-mentioned armrest body manipulator, at first glance, obtain the impression of the good operability of above-mentioned variable-speed operation parts.
But, in the structure that above-mentioned patent documentation 1 is recorded, because above-mentioned variable-speed operation parts is configured in the upper surface of the above-mentioned front extension forwards extended from above-mentioned armrest body along body fore-and-aft direction, so, in order to manipulator, arm is placed on above-mentioned armrest body state under carry out the operation of above-mentioned variable-speed operation parts, need arm to be reversed into the inside with palm downward, there is the problem that the operability of above-mentioned variable-speed operation parts is bad.
At first technical literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2008-17803 publication
Summary of the invention
The present invention has used for reference the conventional art, to provide a kind of handle structure with the working truck of the armrest body of the body Width one side side being configured in driver's seat, that is, one of the handle structure that can improve the operability of the high variable-speed operation parts of usage frequency is its object.
The application to achieve these goals, a kind of invention of handle structure of working truck of the armrest body about having the body Width one side side being configured in driver's seat is provided, namely, about possessing the front extension forwards extended from above-mentioned armrest body, be provided with the invention of the handle structure of variable-speed operation parts at the body Width lateral surface of above-mentioned front extension.
According to handle structure for the present invention, arm, by with the state of palm towards inner side, is placed on above-mentioned armrest body by manipulator, can with above-mentioned variable-speed operation parts close under the state that there is free space up and down of wrist.Therefore, it is possible to improve the operability of the high above-mentioned variable-speed operation parts of usage frequency.
Preferred above-mentioned armrest body is roughly along body fore-and-aft direction, and above-mentioned front extension, to be positioned at the mode of body Width outward side along with whereabouts front, tilts to body Width outward side when overlooking.
According to this structure, can under the state of palm towards inner side, the natural posture bent laterally relative to arm with wrist, close to above-mentioned variable-speed operation parts, the operability of above-mentioned variable-speed operation parts can be improved further.
In addition, preferred above-mentioned armrest body comprises at the middle section of body fore-and-aft direction central authorities and the transition region between above-mentioned middle section and above-mentioned front extension, the body Width foreign side side of above-mentioned transition region, to be positioned at the mode of body Width side along with whereabouts front, tilts to body Width inward side when overlooking.
According to this structure, when operationally can state variable-speed operation parts, wrist is moved freely, accordingly, the operability of above-mentioned variable-speed operation parts can be improved further.
Further, preferably formed in the mode that forwards imaginary plane that extends of side and the body Width lateral surface of above-mentioned front extension intersect of the body Width lateral surface in above-mentioned middle section.
According to this structure, the operability of above-mentioned variable-speed operation parts can be improved further.
In addition, the body Width lateral surface of preferred above-mentioned front extension is inclined upwardly.
According to this structure, the operability of above-mentioned variable-speed operation parts can be improved further.
In addition, the upper surface of preferred above-mentioned armrest body is made into the dip plane that step-down is such along with side in whereabouts body Width, and above-mentioned variable-speed operation parts is positioned at the top compared with the plane residing for the upper surface of above-mentioned armrest body.
According to this structure, arm to be placed on the stable posture of the state on above-mentioned armrest body, the operation of above-mentioned variable-speed operation parts can be carried out.
The preferred above-mentioned variable-speed operation parts variable-speed unit be made into for possessing above-mentioned working truck carries out the rotating disc type variable-speed operation parts of infinitely variable speed operation, at the upper surface of above-mentioned front extension, the most high speed set parts setting the fastest output valve of above-mentioned variable-speed unit is set, above-mentioned rotating disc type variable-speed operation parts has the operating axis intersected relative to the body Width lateral surface of above-mentioned front extension and the rotating operation portion that can not be arranged on the leading section of aforesaid operations axle with the relative rotation, above-mentioned most high speed set parts can have in leading section from the state that the upper surface of above-mentioned front extension has extended upward, the arm that can swing around the axis of swing almost parallel with the upper surface of above-mentioned armrest body and be fastened to the swinging operation portion of leading section of above-mentioned arm.
According to this structure, because above-mentioned variable-speed operation parts and above-mentioned most high speed set parts are configured in body Width lateral surface and the upper surface of the above-mentioned front extension in above-mentioned handle structure respectively, so, can maloperation be prevented, and improve the operability of two functional units.
More preferably; at the body Width lateral surface of above-mentioned front extension, local is set around the protection portion around above-mentioned rotating operation portion; above-mentioned protection portion is made into following parts: when seeing along the axis of aforesaid operations axle; be centrally located at by being positioned at rear and being the space of below in four spaces divided through the imaginary vertical plane of aforesaid operations axle and imaginary horizontal plane; and from above-mentioned center in the scope that aforesaid operations axial ratio 180 degree is little, around above-mentioned rotating operation portion.
According to this structure, the deterioration of the operability in above-mentioned rotating operation portion can be prevented, and when operationally stating most high speed set parts etc., effectively prevent the hand of manipulator from against one's will touching the situation in above-mentioned rotating operation portion.
The application also comprises the operating portion structure relating to and be applied to the working trucks such as tractor, in detail, relate to be configured with in the body Width one side side of driver's seat rod guide, can the invention of operating portion structure of working truck of manually-operated multiple functional unit and handrail.
Namely, in above-mentioned patent documentation 1, describe the operating portion structure being applied to the working trucks such as tractor, namely possess the handrail arranged in the gap between a mud guard of the body Width one side side at driver's seat and above-mentioned driver's seat and the rod guide covering an above-mentioned mud guard partly, above-mentioned rod guide is configured with multiple functional unit, and constructs at the operating portion that the upper surface of the leading section of above-mentioned handrail is configured with the functional unit that the working rig different from above-mentioned multiple functional unit is elevated.
Above-mentioned operating portion structure in the past, by the functional unit of above-mentioned working rig lifting being arranged on the leading section of above-mentioned handrail, can carrying out the descending operation smoothly of working rig, and can prevent misoperation.
But, in above-mentioned operating portion structure in the past, because the functional unit (calling other functional unit in the following text) be arranged on beyond the functional unit on above-mentioned handrail is all configured in the body Width outward side compared with above-mentioned handrail, so, with regard to all other functional units above-mentioned, be difficult to the operation under the state carrying out arm being placed on above-mentioned handrail, from the viewpoint of operability, there is room for improvement.
In addition, because other functional unit above-mentioned is all intensively configured in the body Width outward side compared with above-mentioned handrail, so, also there is the problem easily producing maloperation between other functional unit above-mentioned.
The application uses for reference the conventional art and makes, comprise relate to be configured with in the body Width one side side of driver's seat rod guide, can the invention of operating portion structure of working truck of manually-operated multiple functional unit and handrail, namely relate to the operability that improves aforesaid operations parts and the invention that the operating portion of the working truck of the maloperation for aforesaid operations parts constructs can be prevented.
In detail, the operating portion structure of working truck for the present invention possesses the rod guide be configured with in the body Width one side side of driver's seat, can manually-operated multiple functional unit and handrail, above-mentioned rod guide is to be formed across the mode on base plate part and above-mentioned mud guard, above-mentioned base plate part above-mentioned driver's seat and be configured in above-mentioned driver's seat body Width one side side mud guard between extend, above-mentioned handrail is positioned at the top compared with above-mentioned rod guide with the armrest body that manipulator can place arm and the mode being positioned at the body Width middle part of above-mentioned rod guide is formed, across above-mentioned armrest body, at least one aforesaid operations parts is configured respectively in body Width inward side and outward side.
According to aforesaid operations cage structure for the present invention, because across above-mentioned armrest body, at least one aforesaid operations parts is configured respectively in body Width inward side and outward side, so, the structure in the past of the body Width outward side be configured in compared with armrest body with all multiple functional units is compared, and effectively can prevent the maloperation of the aforesaid operations parts running counter to wish.
More preferably, aforesaid operations parts have the working rig elevating lever for making the working rig lifting be attached on above-mentioned working truck, the work posture set parts of above-mentioned working rig relative to the working rig inclination set parts of the inclination of above-mentioned working truck is set with comprising, above-mentioned working rig elevating lever is arranged on the bracket of above-mentioned base plate part being supported on being directly or indirectly to erect along the mode that the rotation axis of body Width rotates at the spaced winding of above-mentioned driver's seat and above-mentioned mud guard, above-mentioned handrail is supported on above-mentioned bracket in the mode of the body Width foreign side that above-mentioned armrest body is positioned at compared with above-mentioned working rig elevating lever through installing plate, above-mentioned rod guide allows to extend upward as the upper end of the operating portion of above-mentioned working rig elevating lever and the upper end of above-mentioned installing plate, and round above-mentioned bracket.
According to said structure, the gap between above-mentioned driver's seat and above-mentioned mud guard can be utilized to be set to carry out rotating operation around above-mentioned rotation axis and need the above-mentioned working rig elevating lever of larger setting place, the densification of aforesaid operations cage structure can be sought.
Further, because above-mentioned handrail and above-mentioned working rig elevating lever are supported on single above-mentioned bracket, so, the simplification of the support structure of two parts can be sought.
It is further preferred that the upper-end part of driving as operating portion of above-mentioned working rig elevating lever is in the below compared with aspect in the imaginary Width extended to body Width inward side by the upper surface of above-mentioned armrest body.
According to this structure, the operability of above-mentioned working rig elevating lever can be improved, and effectively prevent because the arm etc. of manipulator is against one's will to contact of above-mentioned working rig elevating lever etc. and the situation of the above-mentioned working rig elevating lever of maloperation.
In addition, preferred aforesaid operations parts have driving system functional unit, this driving system functional unit comprises the variable-speed operation parts for operating the speed change gear that above-mentioned working truck possesses, above-mentioned armrest body, at least local is overlapping relative to body front and back position for above-mentioned working rig elevating lever and above-mentioned work posture set parts, above-mentioned handrail possesses the mode in the front be positioned at compared with above-mentioned work posture set parts from the front extension that above-mentioned armrest body forwards extends, above-mentioned variable-speed operation parts is configured in the side of the body Width outward side in the extension of above-mentioned front.
According to said structure, above-mentioned armrest body, above-mentioned working rig elevating lever and above-mentioned work posture set parts can be made to configure compactly, and the operability of the higher above-mentioned variable-speed operation parts of usage frequency under state arm being placed on above-mentioned armrest body can be improved.
That is, according to said structure, manipulator, can with the state that there is free space up and down in wrist near above-mentioned variable-speed operation parts by arm being placed on above-mentioned armrest body with palm towards the state of inner side.Therefore, it is possible to improve the operability of the high above-mentioned variable-speed operation parts of usage frequency.
It is further preferred that above-mentioned driving system functional unit comprises the most high speed set parts of the fastest output valve of the above-mentioned speed change gear of setting, above-mentioned most high speed set parts is configured in the upper surface of above-mentioned front extension.
Preferred aforesaid operations parts have the PTO Dynamic System parts comprising PTO output function parts, combination disengagement operation is carried out in the power transmission that above-mentioned PTO output function parts are used for the PTO axle that the above-mentioned working truck of subtend possesses, above-mentioned PTO Dynamic System parts, to be positioned at the mode of the below compared with aspect after the imagination making the upper surface of above-mentioned armrest body extend rearward, are arranged on the upper surface of above-mentioned rod guide at the rear side of above-mentioned armrest body.
According to said structure, the maloperation to above-mentioned PTO Dynamic System parts can be prevented, and above-mentioned PTO Dynamic System parts are configured compactly.
The upper surface of preferred above-mentioned armrest body is made into the dip plane that step-down is such along with side in whereabouts body Width.
According to said structure, arm can be placed on above-mentioned armrest body with stable posture by manipulator.In addition, can improve under the state that arm is placed on above-mentioned armrest body, to the operability of the functional unit of the body Width inward side be positioned at compared with above-mentioned armrest body.
The application also comprises the invention relating to the armrest unit being applied to the working trucks such as tractor.
Such as, in Japanese Unexamined Patent Publication 2009-036277 publication (calling patent documentation 2 in the following text), propose and be applied to the armrest unit that tractor etc. is attached to the working truck of working rig, namely possess the side of the driver's seat being configured in above-mentioned working truck, and be formed with the casing in handrail region at upper surface and be supported on the armrest unit of the functional unit on above-mentioned casing.
In detail, in the armrest unit that above-mentioned patent documentation 2 is recorded, above-mentioned casing have upper surface be formed above-mentioned handrail region armrest part and from the front extension that above-mentioned armrest part forwards extends, aforesaid operations parts are supported on above-mentioned front extension.
And, support variable-speed operation parts at the upper surface of the base end side of above-mentioned front extension, and support working rig elevating lever and working rig direction switch at the upper surface of the front of above-mentioned front extension.
But, in the above-mentioned armrest unit that above-mentioned patent documentation 2 is recorded, the above-mentioned variable-speed operation parts that usage frequency is high is closely configured in above-mentioned handrail region, operability during variable-speed operation parts above-mentioned with gesture operation elbow being placed on above-mentioned handrail region for manipulator, has room for improvement.
Have again, above-mentioned working truck possesses the PTO joint opening operation parts of throwing off for making the power transmission to above-mentioned working rig combine, but, in structure in the past, also there is the problem that the operability of the above-mentioned PTO joint opening operation parts under the state taking following basic operation posture is bad.
Namely, when the driveaway operation of working truck, mobility operation time, manipulator's one side is adopted to operate the turning members such as steering tiller with a hand (such as left hand), adjust the direct of travel of above-mentioned working truck, one side another hand (such as the right hand) operates above-mentioned variable-speed operation parts, adjusts the above-mentioned basic operation posture of the speed of a motor vehicle of above-mentioned working truck.
Be described in more detail, when starting the operation undertaken by above-mentioned working rig, manipulator engages opening operation parts by above-mentioned PTO, makes above-mentioned working rig drive operation, then, enters above-mentioned basic operation posture, above-mentioned working truck is started to walk.
In addition, in one side, above-mentioned working rig is driven, when the operation that one side makes above-mentioned working truck travel travels, when above-mentioned working truck is too close to cloaca, barrier etc., manipulator is for making above-mentioned working rig emergent stopping, need to engage opening operation parts by above-mentioned PTO, above-mentioned working rig is stopped.
In this case, manipulator must operate above-mentioned PTO as early as possible from the state of above-mentioned basic operation posture and engage opening operation parts.
But in the structure that above-mentioned patent documentation 2 is recorded, above-mentioned PTO engages opening operation parts and is arranged on the operation board set by the body Width outward side of above-mentioned armrest unit.
In the structure shown here, posture and the above-mentioned basic operation posture difference operated when above-mentioned PTO engages opening operation parts can be very large, therefore, and the problem making operability during above-mentioned working rig emergent stopping bad when there is operability when operation starts, operation traveling.
The application comprises the invention relating to the armrest unit being applied to the working truck being attached to working rig, namely relate to reference the conventional art, the operability of the variable-speed operation parts under the state that elbow is placed on handrail region by manipulator can be improved, and improve the invention engaging the armrest unit of the operability of opening operation parts with the basic operation posture PTO that is benchmark.
Armrest unit for the present invention is the armrest unit being applied to the working truck being attached to working rig, possesses the side of the driver's seat being configured in above-mentioned working truck, and the casing in handrail region and the functional unit be supported on above-mentioned casing is formed at upper surface, above-mentioned casing have upper surface be formed above-mentioned handrail region armrest part and from the front extension that above-mentioned armrest part forwards extends, the PTO joint opening operation parts that aforesaid operations parts comprise the variable-speed operation parts for carrying out speed change to the travel speed of above-mentioned working truck and throw off for making the power transmission to above-mentioned working rig combine, above-mentioned variable-speed operation parts and above-mentioned PTO engage opening operation parts under the state that extend outward in the leading section played a role as operating portion and above-mentioned variable-speed operation parts is positioned at the front compared with engaging opening operation parts with above-mentioned PTO, be supported on above-mentioned front extension.
According to said structure, the operability that elbow is placed on the above-mentioned variable-speed operation parts of the posture in above-mentioned handrail region by manipulator can be improved, and operate the turning members such as steering tiller relative to one side with a hand (such as left hand), the direct of travel of adjustment working truck, one side another hand (such as the right hand) operates above-mentioned variable-speed operation parts, adjust the basic operation posture that the speed of a motor vehicle of above-mentioned working truck is such, improve the operability that above-mentioned PTO engages opening operation parts.
Above-mentioned front extension can have the above-mentioned PTO of support and engages the base end side part of opening operation parts and forwards extend from above-mentioned base end side part and support the front part of above-mentioned variable-speed operation parts.
Extend outward from the upper surface of above-mentioned base end side part in the aforesaid operations portion that above-mentioned PTO engages opening operation parts.The mode of the below that the part residing for aforesaid operations portion that the above-mentioned PTO in the upper surface of above-mentioned base end side part engages opening operation parts preferably engages the aforesaid operations portion of opening operation parts upper end with above-mentioned PTO is positioned at compared with the upper surface in above-mentioned handrail region is configured in the below compared with above-mentioned handrail region.
According to this structure, the operability that above-mentioned PTO engages opening operation parts can be improved, and effectively prevent the maloperation of running counter to wish engaging opening operation parts for above-mentioned PTO.
It is further preferred that the upper surface of above-mentioned base end side part can have the general planar region residing for aforesaid operations portion that above-mentioned PTO engages opening operation parts and the wall region arranged in the mode extended upward in the above-mentioned driver's seat side in above-mentioned general planar region.
According to said structure, can more effectively prevent above-mentioned PTO from engaging the maloperation of running counter to wish of opening operation parts.
The upper surface of above-mentioned front part can have along with low area after high before be positioned at top from the part whereabouts front adjacent with the upper surface of above-mentioned base end side part, with above-mentioned before high after the adjacent top area in the leading section of low area and along with the low early and high after region being positioned at below from the part whereabouts front adjacent with above-mentioned top area.
Above-mentioned variable-speed operation parts can have the main variable-speed operation parts for making the output speed of variable-speed unit change.
Above-mentioned main variable-speed operation parts using in the leading section played a role as operating portion from the state that the upper surface of above-mentioned front part has extended upward, across the mode of rolling to each side in above-mentioned top area low area and above-mentioned low early and high after region after high before above-mentioned, can swingingly be supported on above-mentioned front part around axis of oscillation.
In the structure shown here, low area after preferably high before above-mentioned, arranges working rig direction switch in the part close to above-mentioned driver's seat compared with the part residing for the aforesaid operations portion of above-mentioned main variable-speed operation parts.
More preferably, forwards extend from above-mentioned armrest part along vehicle fore-and-aft direction during above-mentioned base end side partial top, on the other hand, above-mentioned front part, with along with the mode leaving above-mentioned driver's seat from rear end side whereabouts front, tilts relative to vehicle fore-and-aft direction when overlooking.
Above-mentioned variable-speed operation parts can have under the state making the output speed of the above-mentioned variable-speed unit set by above-mentioned main variable-speed operation parts be maximum output speed, changes the speed adjustment component of the gear ratio of above-mentioned variable-speed unit.
In the structure shown here, above-mentioned speed adjustment component under the state extended outward with the side of above-mentioned driver's seat opposition side the part of above-mentioned front, can be supported on above-mentioned front part around the pivot axis almost parallel with above-mentioned axis of oscillation in the leading section played a role as operating portion.
Accompanying drawing explanation
Fig. 1 is the side view of the working truck can applying one embodiment of the present invention.
Fig. 2 is the transmission schematic diagram of the above-mentioned working truck shown in Fig. 1.
Fig. 3 is the driving system of the above-mentioned working truck shown in Fig. 1 and Fig. 2 and the control block diagram of PTO system.
Fig. 4 is the control block diagram of the working rig system of the above-mentioned working truck shown in Fig. 1 and Fig. 2.
Fig. 5 is the vertical view of the cabin interior in the above-mentioned working truck shown in Fig. 1 and Fig. 2.
Fig. 6 is the front stereographic map of above-mentioned cabin interior.
Fig. 7 is the amplification plan view near the handrail that possesses of above-mentioned cabin interior.
Fig. 8 is the back side partial enlarged drawing of above-mentioned cabin interior.
Fig. 9 is the in-built stereographic map representing above-mentioned handrail.
Figure 10 is the amplification right side view near the front extension in above-mentioned handrail.
Figure 11 represents the in-built stereographic map near the extension of above-mentioned front.
Figure 12 be from driver's seat viewed from body Width foreign side near above-mentioned handrail time side view.
Figure 13 is the vertical view of working rig setting operation dish in the operating portion structure that possesses of above-mentioned working truck.
Figure 14 is the enlarged drawing near the armrest body in above-mentioned handrail.
Figure 15 is the side view of the tractor as the mode applying working truck of the present invention.
Figure 16 is the transmission schematic diagram of the above-mentioned working truck shown in Figure 15.
Figure 17 is the hydraulic circuit diagram of the above-mentioned working truck shown in Figure 15 and Figure 16.
Figure 18 is the system chart of the control device in the above-mentioned working truck shown in Figure 15 ~ Figure 17.
Figure 19 is the cross-sectional plan view of the above-mentioned working truck along the XIX-XIX line in Figure 15.
Figure 20 is the stereographic map near the armrest unit in the above-mentioned working truck of the state having pulled down driver's seat.
Figure 21 is the side view near above-mentioned armrest unit, represents and has pulled down the state of rod guide.
Figure 22 is that above-mentioned armrest unit and the side view to the bracket that above-mentioned armrest unit supports are seen by side in body Width.
Figure 23 is the side view of above-mentioned armrest unit and above-mentioned bracket viewed from body Width foreign side.
Figure 24 is the stereographic map of above-mentioned armrest unit and above-mentioned bracket viewed from body Width foreign side.
Figure 25 is the vertical view of above-mentioned armrest unit and above-mentioned bracket.
Figure 26 is the decomposition side view that above-mentioned armrest unit and above-mentioned bracket are seen by side in body Width.
Figure 27 is the vertical profile front elevation of the above-mentioned armrest unit along the XXVII-XXVII line in Figure 22.
Figure 28 is the exploded perspective view of above-mentioned armrest unit and above-mentioned bracket viewed from body Width outward side.
Figure 29 is the exploded perspective view of the frame viewed from vehicle-width direction foreign side above-mentioned armrest unit.
Figure 30 is the partial top view of the above-mentioned armrest unit of the state of the first cover pulled down in above-mentioned armrest unit.
Figure 31 is the partial bottom view of the above-mentioned armrest unit of the state of the second cover pulled down in above-mentioned armrest unit.
Figure 32 is the side view near the speed adjustment component in above-mentioned armrest unit.
Figure 33 is the side view near the above-mentioned speed adjustment component of the state having pulled down above-mentioned first cover.
Figure 34 is the side view near the above-mentioned speed adjustment component of the state having pulled down above-mentioned second cover.
Figure 35 is the side view near the above-mentioned speed adjustment component of the state having pulled down both the above-mentioned first and second covers, represents that lockable mechanism that above-mentioned armrest unit possesses becomes the state of the lockup state that can not operate above-mentioned speed adjustment component.
Figure 36 is the side view near the above-mentioned speed adjustment component of the state having pulled down both the above-mentioned first and second covers, represents that above-mentioned lockable mechanism becomes the state of the operable state that can operate above-mentioned speed adjustment component.
Figure 37 (a) ~ (c) is the schematic sectional view of the variation representing above-mentioned lockable mechanism respectively.
Figure 38 is with can by the structure different from above-mentioned lockable mechanism, by the longitudinal section of the variable speed operation unit that above-mentioned speed adjustment component switches to the mode of lockup state or operable state to form.
Figure 39 is the end-view of the above-mentioned variable speed operation unit along the XXXIX-XXXIX line in Figure 38.
Figure 40 is the end-view of the above-mentioned variable speed operation unit along the XXXX-XXXX line in Figure 38, and Figure 40 (a) and (b) represent that operation lid is positioned at respectively can the state of lock position and lock position.
Figure 41 is the cut-open view of the above-mentioned armrest unit along the XXXXI-XXXXI line in Figure 28.
Figure 42 is the side view of the detent mechanism that above-mentioned armrest unit possesses.
Figure 43 is the vertical profile front perspective view of above-mentioned armrest unit.
Figure 44 is the longitudinal cross-sectional side view of the above-mentioned armrest unit along the slit be formed on above-mentioned first cover.
Figure 45 is the enlarged side view of the above-mentioned armrest unit of the state having pulled down above-mentioned second cover.
Figure 46 is the side view of the above-mentioned working truck near above-mentioned armrest unit.
Figure 47 is the diagrammatic top view that the mode of the vehicle-width direction outward side being positioned at above-mentioned armrest unit is arranged on the operation board unit in above-mentioned rod guide.
Figure 48 is the frame of above-mentioned armrest unit and the exploded perspective view of above-mentioned bracket.
Embodiment
Embodiment 1
Below, with reference to accompanying drawing, an embodiment of the invention are described.
Fig. 1 and Fig. 2 is the side view and the transmission schematic diagram that represent the working truck 1 applying an embodiment of the invention.
As shown in Figure 1, above-mentioned working truck 1 is the tractor can setting up working rig 10.
In detail, above-mentioned working truck 1 as shown in Figure 1 and Figure 2, the pair of right and left mobile devices 4 possessing body frame 2, be supported on the engine 3 as drive source in this body frame 2 and driven by above-mentioned engine 3.
In the present embodiment, above-mentioned pair of right and left mobile devices 4 have pair of right and left front vehicle wheel 4b and pair of right and left rear wheel 4a, drive above-mentioned pair of right and left rear wheel 4a by above-mentioned engine 3, and according to circumstances also drive above-mentioned pair of right and left front vehicle wheel 4b.
The rotation speed change rightly of having accommodated for by above-mentioned engine 3 at the back hitch of above-mentioned body frame 2, and the case of transmission 50 of the variator 5 transmitted to above-mentioned rear wheel 4a and above-mentioned front vehicle wheel 4b.At the trailing flank of above-mentioned case of transmission 50, the PTO axle 61 for driving the working rigs such as cultivator 10 is set in rearward outstanding mode.
Above-mentioned variator 5 have by from above-mentioned engine 3 through transmission shaft 30(see Fig. 2) driving system drive path (in the present embodiment, comprising power to the driving system main transmission path that the rear wheel 4a played a role as main drive wheel transmits and the driving system auxiliary driving path of carrying out power transmission to the front vehicle wheel 4b played a role as secondary driving wheel) that the power that inputs transmits to driving wheel and PTO drive system path that the power from above-mentioned engine 3 is exported outward through above-mentioned PTO axle 61.
Above-mentioned variator 5 is as driving system drive path, as shown in Figure 2, possess: input the output from above-mentioned engine 3, and the variable-speed unit 51 of function is played as main transformer speed variator, the forward-reverse switching device 52 of the dissengaged positions carrying out in the future the drive state that transmits and the transmission that cuts off above-mentioned rotary power from the rotary power of above-mentioned variable-speed unit 51 with forward or reverse direction can be obtained, rotary power from above-mentioned variable-speed unit 51 is carried out to the mechanical secondary speed-changing device 53 of speed change, with by from the differential gear unit 54 transmitted to above-mentioned pair of right and left rear wheel 4a of the differential ground of the rotary power of above-mentioned secondary speed-changing device 53.
In the present embodiment, above-mentioned variator 5 possess the transmission of the rotary power carried out to above-mentioned pair of right and left front vehicle wheel 4b from above-mentioned secondary speed-changing device 53 can be made to combine or cut off two drive 4 wheel driven switching device shifter 55.
In the present embodiment, above-mentioned variable-speed unit 51 is that transmission input shaft 511 and speed change output shaft 512 are by the in-line hydraulic variable speed unit concentrically configured.Above-mentioned speed change output shaft 512 is made into hollow shape, has inserted above-mentioned transmission input shaft 511 in inside.
Above-mentioned variable-speed unit 51 as shown in Figure 2, possesses the above-mentioned speed change output shaft 512 of the above-mentioned transmission input shaft 511 linked with the action of above-mentioned transmission shaft 30, the hydraulic pump main body 513 that can not be supported on the relative rotation on above-mentioned transmission input shaft 511, the oil motor main body 514 be connected with above-mentioned hydraulic pump main body 513 fluid and the rotary power that exports above-mentioned oil motor main body 514.
At least one of above-mentioned hydraulic pump main body 513 and above-mentioned oil motor main body 514 is variable volume.In the present embodiment, above-mentioned hydraulic pump main body 513 is variable volume.
Therefore, above-mentioned variable-speed unit 51 on the basis of said structure, the movable hang plate 515 also possessing the supply and discharge oil mass changing above-mentioned hydraulic pump main body 513 and the speed-changing hydraulic cylinder 516 that above-mentioned movable hang plate 515 is tilted.
According to above-mentioned variable-speed unit 51, by correspondingly making the action of above-mentioned speed-changing hydraulic cylinder 516 with the operation of the variable-speed operation parts (aftermentioned) as functional unit, change the pitch angle relative to above-mentioned transmission input shaft 511 and above-mentioned speed change output shaft 512 of above-mentioned movable hang plate 515, change the work oil mass of discharging to above-mentioned oil motor main body 514 from above-mentioned hydraulic pump main body 513.With the rotating ratio relative to above-mentioned transmission input shaft 511 correspondingly determining above-mentioned speed change output shaft 512 from above-mentioned hydraulic pump main body 513 to the work oil mass that above-mentioned oil motor main body 514 is discharged.
Above-mentioned forward-reverse switching device 52 as shown in Figure 2, is inserted between above-mentioned variable-speed unit 51 and above-mentioned secondary speed-changing device 53 by folder.
Above-mentioned forward-reverse switching device 52 has: with export advance or retreat the forward clutch 522 and retrogressing clutch coupling 523 that rotate forward-reverse output shaft 521 loose fit exported and above-mentioned forward clutch 522 and above-mentioned retrogressing clutch coupling 523 each in the advance input gear 524 that can not be fixed with the relative rotation and retreat input gear 525.
Above-mentioned advance input gear 524 engages with the speed change output gear 517 that can not be fixed on the relative rotation on above-mentioned speed change output shaft 512.
In addition, above-mentioned retrogressing input gear 525 engages with first countershaft gear 527 that can not be fixed on the relative rotation on the countershaft 526 parallel with above-mentioned forward-reverse output shaft 521.
Above-mentioned speed change output gear 517 also engages with second countershaft gear 528 that can not be fixed on the relative rotation on above-mentioned countershaft 526.
Above-mentioned advance with and retrogressing clutch coupling 522,523 be respectively known multiple-piece friction fluid coupling.In the structure shown here, if make above-mentioned forward clutch 522 be clutch coupling bonding state, above-mentioned advance input gear 524 is linked with above-mentioned forward-reverse output shaft 521, then the rotation of above-mentioned speed change output shaft 512 exports and transmits to above-mentioned forward-reverse output shaft 521 through above-mentioned speed change output gear 517 and above-mentioned advance input gear 524, and above-mentioned forward-reverse output shaft 521 rotates to body working direction.Otherwise, if make above-mentioned retrogressing clutch coupling 523 be clutch coupling bonding state, above-mentioned retrogressing input gear 525 is linked with above-mentioned forward-reverse output shaft 521, then the rotation of above-mentioned speed change output shaft 512 exports and transmits to above-mentioned forward-reverse output shaft 521 through above-mentioned speed change output gear 517, above-mentioned second countershaft gear 528, above-mentioned countershaft 526, above-mentioned first countershaft gear 527 and above-mentioned retrogressing input gear 525, and above-mentioned forward-reverse output shaft 521 rotates to body direction of retreat.
In the present embodiment, above-mentioned forward-reverse switching device 52 is also as making the master clutch combining from above-mentioned engine 3 to the transmission of the rotary power of above-mentioned mobile devices 4 or cut off play a role.Namely, be combined with above-mentioned forward-reverse output shaft 521 by any one making above-mentioned forward clutch 522 and above-mentioned retrogressing clutch coupling 523, the state (state of master clutch ON) can carrying out power transmission to above-mentioned mobile devices 4 can be become, be not combined with above-mentioned forward-reverse output shaft 521 by which making above-mentioned forward clutch 522 and above-mentioned retrogressing clutch coupling 523, the state (state of master clutch OFF) that the power transmission carried out to above-mentioned mobile devices 4 is cut off can be become.
Above-mentioned secondary speed-changing device 53 has multiple speed gear pair, by making above-mentioned multiple speed gear to combining selectively, carrying out on the basis of speed change to the rotary power of above-mentioned forward-reverse output shaft 521, forwards output shaft 531 and rear output shaft 532 transmitting rotary power.
The rotary power of above-mentioned rear output shaft 532 through above-mentioned differential gear unit 54 differential transmit to above-mentioned a pair rear wheel 4a, the rotary power of above-mentioned front output shaft 531 drives 4 wheel driven switching device shifter 55 through above-mentioned two and transmits to above-mentioned a pair front vehicle wheel 4b selectively.
In addition, in the present embodiment, above-mentioned two drive 4 wheel driven switching device shifter 55 also there is the front vehicle wheel speed increasing mechanism that front vehicle wheel 4b speedup can be made to drive when 4 wheel driven.That is, above-mentioned two drive 4 wheel driven switching device shifter 55 and can obtain any one of driving disarm state, usually driving condition and the speedup driving condition of front vehicle wheel 4b.
Above-mentioned variator 5, as above-mentioned PTO system transmission route, possesses the PTO clutch coupling 56 that can switch the combination of the transmission of the rotary power of the above-mentioned engine 3 inputted through above-mentioned transmission shaft 30 or partition and the PTO speed change gear 59 rotary power of above-mentioned engine 3 being carried out to speed change.
Above-mentioned PTO clutch coupling 56 is the fluid coupling that rubs with the known multiple-piece of clutch output shaft 57 loose fit, be configured to, by making above-mentioned PTO clutch coupling 56 become clutch coupling bonding state through PTO clutch hydraulic cylinder 58 described later, thus the rotary power of above-mentioned transmission shaft 30 be transmitted to above-mentioned clutch output shaft 57.
Above-mentioned PTO speed change gear 59 has multiple speed gear pair, by making above-mentioned multiple speed gear to combining selectively, carrying out on the basis of speed change to the rotary power of above-mentioned clutch output shaft 57, rotary power is being transmitted to the PTO speed change output shaft 60 linked with the action of above-mentioned PTO axle 61.
The working rig 10 that can be attached on above-mentioned working truck 1 is configured to be elevated relative to above-mentioned body frame 2, and by the rotation around the axis along body fore-and-aft direction, can tilt.
In the present embodiment, above-mentioned working rig 10 such as shown in Figure 1, for having the cultivation claw axle 11 along body Width, that is, is provided with the rotary plow of the cultivation claw axle 11 of multiple cultivation claw 12.
Above-mentioned working rig 10 is configured to, and the bar linkage frame 17 that axle is carry above-mentioned cultivation claw axle 11 links via linkage assembly 16 and above-mentioned body frame 2.The pair of right and left connecting link 163 that aforementioned link mechanism 16 comprises connecting rod 161, pair of right and left lower link 162 and links pair of right and left lift arm 151 and above-mentioned lower link 162, above-mentioned cultivation claw axle 11 liftably links relative to body frame 2 by above-mentioned pair of right and left lift arm 151.
Further, the ploughing and weeding upper surface cover 13 that configures of the mode that above-mentioned working rig 10 has the top of the rotational trajectory C around above-mentioned cultivation claw axle 11 covering above-mentioned cultivation claw 12 and the ploughing and weeding back cover 19 that configures in the mode at the rear of the rotational trajectory C covering above-mentioned cultivation claw 12.Above-mentioned ploughing and weeding back cover 19 links with the rearward end of above-mentioned ploughing and weeding upper surface cover 13 through the pivot fulcrum 14 along body Width.
Under the decline state of the above-mentioned working rig 10 of above-mentioned cultivation claw 12 ground connection, the rearward end also ground connection of above-mentioned ploughing and weeding back cover 19, by this ground pressure, the rearward end of above-mentioned ploughing and weeding back cover 19 is rotated upward around above-mentioned pivot fulcrum 14.On the other hand, at above-mentioned cultivation claw 12 by under the propradation of above-mentioned working rig 10 mentioned from ground, the rearward end of above-mentioned ploughing and weeding back cover 19 is also mentioned by from ground, and the rearward end of above-mentioned ploughing and weeding back cover 19 is rotated to the lower side around above-mentioned pivot fulcrum 14.
That is, by measuring the angle of rotation around above-mentioned pivot fulcrum 14 relative to above-mentioned ploughing and weeding upper surface cover 13 of above-mentioned ploughing and weeding back cover 19, ploughing and weeding degree of depth D now can be measured.
Therefore, in the present embodiment, above-mentioned rotary plow 10 has the back cover sensor 88 of the angle of rotation around above-mentioned pivot fulcrum 14 relative to above-mentioned ploughing and weeding upper surface cover 13 for detecting above-mentioned ploughing and weeding back cover 19.
In the present embodiment, above-mentioned working truck 1 has the lifting drive 15 for making above-mentioned working rig 10 can be elevated relative to above-mentioned body frame 2.
Above-mentioned lifting drive 15 as shown in Figure 1, have the above-mentioned cultivation claw axle 11 of above-mentioned working rig 10 is liftably linked relative to above-mentioned body frame 2 above-mentioned pair of right and left lift arm 151, above-mentioned lift arm 151 is directly or indirectly supported on the rotation axis 152 along body Width in above-mentioned body frame 2 and elevating control hydraulic cylinder 153(that above-mentioned lift arm 151 is rotated around above-mentioned rotation axis 152 aftermentioned).
Above-mentioned working truck 1 has the working rig lifting position sensor 81 of the lifting position relative to above-mentioned body frame 2 detecting above-mentioned working rig 10.
Specifically, above-mentioned working rig lifting position sensor 81 realizes by the rotation angle sensor detecting the angle of rotation around above-mentioned rotation axis 152 of above-mentioned lift arm 151.
In addition, above-mentioned working truck 1 has the reclining drive device 18 for making above-mentioned working rig 10 can tilt relative to above-mentioned body frame 2.
Above-mentioned reclining drive device 18 as shown in Figure 1, has the inclination control hydraulic cylinder 181 that folder is inserted in any one party of above-mentioned pair of right and left connecting link 163.
Any one party of above-mentioned pair of right and left connecting link 163 is configured to length and stretches by above-mentioned inclination control hydraulic cylinder 181 any the opposing party relative to above-mentioned pair of right and left connecting link 163, be configured to by the length of a side of above-mentioned pair of right and left connecting link 163 flexible relative to the opposing party, above-mentioned cultivation claw axle 11 can be made to tilt relative to above-mentioned body frame 2.
Above-mentioned working truck 1 as shown in Figure 1, has the body inclination sensor 82 at the lateral tilting oblique angle relative to ground that can measure above-mentioned working truck 1.
Though further, not shown in Figure 1, but above-mentioned working truck 1 has the working rig inclination sensor 83(of metering relative to the lateral tilting oblique angle of above-mentioned body frame 2 see Fig. 4 described later).
In the present embodiment, above-mentioned working truck 1 as shown in Figure 2, possesses the signal of functional unit and the sensor that can receive from various, makes the control device 8 of corresponding actuator (hydraulic cylinder etc.) action.
Above-mentioned control device 8 comprise control above-mentioned driving system drive path various speed change gears, switching device shifter driving system control part 80a, control PTO more than the systems control division 80b(of above-mentioned PTO clutch coupling 56 in above-mentioned PTO drive system path see Fig. 3 described later) and carry out above-mentioned working rig 10 the working rig systems control division 80c(of various controls see Fig. 4 described later).
In addition, above-mentioned driving system control part 80a, above-mentioned PTO systems control division 80b and above-mentioned working rig systems control division 80c also can be formed respectively as independently control device, also can be also used as at least any two control parts by a control device.
Fig. 3 represents the driving system of the working truck 1 shown in Fig. 1 and Fig. 2 and the control block diagram of PTO system.
In the present embodiment, above-mentioned working truck 1 as shown in Figure 3, has driving system functional unit 71 as aforesaid operations parts.Above-mentioned driving system functional unit 71 comprises the most high speed set parts 712 of the fastest output valve of variable-speed operation parts 711 for operating above-mentioned variable-speed unit 51 and the above-mentioned variable-speed unit 51 of setting.
Further, above-mentioned working truck 1 has the variable speed operation detecting sensor 84 of the operating position detecting above-mentioned variable-speed operation parts 711 and detects the most high speed setting sensor 85 of operational ton of above-mentioned most high speed set parts 712.
Above-mentioned driving system control part 80a is formed in the mode of carrying out the action control of above-mentioned speed-changing hydraulic cylinder 516 according to the signal from above-mentioned variable speed operation detecting sensor 84.
Further, above-mentioned driving system control part 80a is configured to, with the operational ton of above-mentioned most high speed set parts 712 correspondingly, at above-mentioned variable-speed operation parts 711 can be changed by the gear ratio of the above-mentioned variable-speed unit 51 during maximum operation in opereating specification.
According to the above-mentioned working truck 1 with said structure, detected the operational ton of the above-mentioned most high speed set parts 712 be operated manually by above-mentioned most high speed setting sensor 85, the highest output valve of above-mentioned control device 8 to above-mentioned variable-speed unit 51 carries out setting change.
If above-mentioned variable-speed operation parts 711 is can being changed by the gear ratio of the above-mentioned variable-speed unit 51 during maximum operation in opereating specification of specifying, the then gear ratio that has been changed according to this of above-mentioned control device 8, control speed-changing hydraulic cylinder 516, make above-mentioned movable swash plate 515 action (deflection) of above-mentioned variable-speed unit 51.
That is, even if maximally operate above-mentioned variable-speed operation parts 711, above-mentioned control device 8 also controls the output speed of above-mentioned variable-speed unit 51 in the mode reaching the fixing speed set by above-mentioned most high speed set parts 712.
Like this, during by being set the maximum operation of above-mentioned variable-speed operation parts 711 by above-mentioned most high speed set parts 712 the most at a high speed, the resolution of speed of a motor vehicle setting can be improved, more precisely can carry out speed of a motor vehicle control.
Fig. 4 is the control block diagram of the working rig system representing the working truck 1 shown in Fig. 1 and Fig. 2.
In the present embodiment, above-mentioned working truck 1 as shown in Figure 4, as aforesaid operations parts, comprise for manually operating the working rig elevating lever 72 that makes above-mentioned working rig 10 be elevated and containing setting above-mentioned working rig 10 relative to the work posture set parts 73 of the working rig inclination set parts 731 of the degree of tilt of above-mentioned working truck 1.
Above-mentioned working rig systems control division 80c is under the state of setting up above-mentioned working rig 10, set according to by above-mentioned working rig elevating lever 72 and above-mentioned work posture set parts 73 signal that have input, elevating control is carried out and the control that tilts relative to above-mentioned body frame 2 to above-mentioned working rig 10.
Be described in more detail.Above-mentioned working truck 1 has the working rig descending operation position-detection sensor 86 of the operational ton detecting above-mentioned working rig elevating lever 72, above-mentioned working rig systems control division 80c correspondingly controls above-mentioned lifting drive 15 with the operational ton of the above-mentioned working rig elevating lever 72 detected by above-mentioned working rig descending operation position-detection sensor 86, can change the lifting position relative to above-mentioned working truck 1 of above-mentioned working rig 10.
In the present embodiment, above-mentioned working rig elevating lever 72 as described later, can rotate around the rotation axis 721 along body Width, above-mentioned working rig descending operation position-detection sensor 86 detects the operational ton of above-mentioned working rig elevating lever 72 mode with the angle of rotation around above-mentioned rotation axis 721 by detecting above-mentioned working rig elevating lever 72 is formed.
In said structure, if above-mentioned working rig elevating lever 72 is operated, then control device 8 and aforesaid operations are correspondingly used in above-mentioned lifting drive 15 action that above-mentioned working rig 10 is elevated, and make above-mentioned working rig 10 move to the height corresponding to the operating position of above-mentioned working rig elevating lever 72.
In addition, in the present embodiment, above-mentioned working truck 1 as shown in Figure 4, possesses and carries out the rising of above-mentioned working rig 10 and the working rig down operation parts 74 of decline by one-touch operation.Above-mentioned work posture set parts 73 possesses the working rig lifting position set parts 734 of the lifting position of the above-mentioned working rig 10 in the operation setting above-mentioned working rig down operation parts 74.Further, above-mentioned working rig elevating lever 72 can also play a role as the working rig down position set parts of the down position of the above-mentioned working rig 10 determined in the operation of above-mentioned working rig down operation parts 74.
The operation of above-mentioned working rig systems control division 80c and above-mentioned working rig down operation parts 74 correspondingly, the mode of the down position becoming with the lifting position of the above-mentioned working rig 10 detected by above-mentioned working rig lifting position sensor 81 lifting position that sets according to the operating position of above-mentioned working rig lifting position set parts 734 or set according to the operating position of above-mentioned working rig elevating lever 72, carries out action control to above-mentioned lifting drive 15.
In the present embodiment, above-mentioned working rig inclination set parts 731 has the manual inclination set parts 733 at the pitch angle for the automatic control inclination set parts 732 and the above-mentioned working rig of manual operation 10 above-mentioned working rig 10 being set in the pitch angle of regulation.
Above-mentioned working rig systems control division 80c and the pitch angle to be set by above-mentioned automatic control inclination set parts 732 are correspondingly, the mode that becomes the above-mentioned pitch angle set with the pitch angle of the above-mentioned working rig 10 detected by above-mentioned working rig inclination sensor 83 carries out action control to above-mentioned reclining drive device 18.
Further, above-mentioned working rig systems control division 80c correspondingly makes the action of above-mentioned reclining drive device 18 with the operational ton operated by above-mentioned manual inclination set parts 733.
In addition, above-mentioned work posture set parts 73 possesses the tilling depth set parts 735 of the ploughing and weeding degree of depth D setting above-mentioned working rig 10.
Above-mentioned working rig systems control division 80c and the ploughing and weeding depth-set value to be set by above-mentioned tilling depth set parts 735 are correspondingly, the mode that becomes above-mentioned ploughing and weeding depth-set value with the ploughing and weeding degree of depth D of the above-mentioned working rig 10 detected by above-mentioned back cover sensor 88 carries out action control to above-mentioned lifting drive 15.
Have again, in the present embodiment, above-mentioned working rig systems control division 80c is in the mode making the decline rate when making above-mentioned working rig 10 decline slow compared with following situation, control above-mentioned lifting drive 15(decline cushioning control), above-mentioned situation refers to, if above-mentioned working rig 10 has exceeded the reference luff position of regulation, then above-mentioned working rig 10 has been positioned at the top compared with the reference luff position of afore mentioned rules.
In detail, above-mentioned working truck 1 possesses the decline buffering set parts 75 for changing said reference lifting position, above-mentioned working rig systems control division 80c cushions the corresponding said reference lifting position of the operation of set parts 75 according to above-mentioned decline, carries out above-mentioned decline cushioning control.
In the present embodiment, above-mentioned working truck 1 as shown in Figure 3, has PTO Dynamic System parts 76 as aforesaid operations parts.
Above-mentioned PTO Dynamic System parts 76 comprise the PTO output function parts 761 for carrying out the combination of power transmission to above-mentioned PTO axle 61 or the blocked operation of partition.
In addition, above-mentioned working truck 1 has the PTO clutch hydraulic cylinder 58 making the action of above-mentioned PTO clutch coupling 56, above-mentioned PTO systems control division 80b correspondingly carries out action control to above-mentioned PTO clutch hydraulic cylinder 58 with the operation with above-mentioned PTO output function parts 761, forms the combination of above-mentioned PTO clutch coupling 56 or the non-binding mode switched.
In the present embodiment, above-mentioned working truck 1 has and detects above-mentioned forward clutch 522 in above-mentioned forward-reverse switching device 52 and the bonding state of above-mentioned retrogressing clutch coupling 523 or the master clutch detecting sensor 87 of unbound state.
In addition, above-mentioned PTO Dynamic System parts 76 comprise the PTO Systematical control switching part 762 that the clutch (intermittently) that can correspondingly switch above-mentioned PTO clutch coupling 56 with the jacking condition in conjunction with disengaged condition and/or above-mentioned working rig 10 of above-mentioned forward-reverse switching device 52 controls form.
Above-mentioned PTO controls switching part 762 obtaining linkage pattern, the mode of lifting linkage pattern and stand-alone mode is formed, described linkage pattern is when any one of above-mentioned forward clutch 522 and above-mentioned retrogressing clutch coupling 523 is in power delivery status (state of master clutch ON), above-mentioned PTO clutch coupling 56 is correspondingly made to be combined with the operation of above-mentioned PTO output function parts 761, throw off, if and above-mentioned forward clutch 522 and above-mentioned both retrogressing clutch couplinges 523 all become power partition state, above-mentioned PTO clutch coupling 56 is then forcibly made to become the pattern of power partition state, described lifting linkage pattern is when detecting that above-mentioned working rig 10 is positioned at the down position of regulation (job position) by above-mentioned working rig lifting position sensor 81, the clutch of above-mentioned PTO clutch coupling 56 is correspondingly made with the operation of above-mentioned PTO output function parts 761, and when detecting that above-mentioned working rig 10 rises to the state of assigned position by above-mentioned working rig lifting position sensor 81, not by the impact of the operation of above-mentioned PTO output function parts 761, and by the pattern of the connection of above-mentioned PTO clutch coupling 56 releasing, described stand-alone mode is the impact not by the clutch of above-mentioned forward-reverse switching device (master clutch) 52 and the lifting position of above-mentioned working rig 10, and correspondingly make the pattern of above-mentioned PTO clutch coupling 56 clutch with the operation of above-mentioned PTO output function parts 761.
Namely, control in the above-mentioned linkage pattern of switching part 762 at above-mentioned PTO, when carrying out ON operation to above-mentioned PTO output function parts 761, if above-mentioned PTO systems control division 80b is when above-mentioned master clutch 52 is the state of ON, carry out making above-mentioned PTO clutch coupling 56 be the control of bonding state, but, if when above-mentioned master clutch 52 is the state of OFF, above-mentioned PTO clutch coupling 56 conversion and control is not become bonding state.
In addition, control in the above-mentioned lifting linkage pattern of switching part 762 at above-mentioned PTO, when carrying out ON operation to above-mentioned PTO output function parts 761, if above-mentioned PTO systems control division 80b is when the lifting position of the above-mentioned working rig 10 detected by above-mentioned working rig lifting position sensor 81 is positioned at the down position of regulation, carry out making above-mentioned PTO clutch coupling 56 be the control of bonding state, but, when above-mentioned working rig 10 is in the lifting position of regulation (such as, time mobile etc. during non-operation), above-mentioned PTO clutch coupling 56 conversion and control is not become bonding state.
In the present embodiment, above-mentioned working truck 1 as shown in Figure 1, possesses the passenger cabin 9 be supported on directly or indirectly in above-mentioned body frame 2.Above-mentioned passenger cabin 9 is at the rear of above-mentioned engine 3 and be arranged on around above-mentioned pair of right and left mobile devices 4(in the present embodiment, above-mentioned pair of right and left rear wheel 4a) front upper place and the pair of right and left mud guard 91 that formed of the mode of body Width inward side between.
Fig. 5 is the vertical view of the cabin interior represented in the working truck 1 shown in Fig. 1 and Fig. 2.
Above-mentioned passenger cabin 9 as shown in Figure 5, has the base plate part 94 of the bottom dividing this passenger cabin 9 and the driver's seat 92 that is arranged between above-mentioned mud guard 91.In the front of above-mentioned driver's seat 92 and side, multiple functional unit is set.
Fig. 6 be represent the cabin interior shown in Fig. 5 driver's seat near front stereographic map.
Above-mentioned base plate part 94 as shown in figs.5 and 6, comprise for the first base plate part 941 of the pin the front of above-mentioned driver's seat 92 placement manipulator with between above-mentioned pair of right and left mud guard 91, upper surface is positioned at the position higher than above-mentioned first base plate part 941, and is provided with the second base plate part 942 of above-mentioned driver's seat 92.
Below, the handle structure applied in the present embodiment is described.
In the above-mentioned handle structure of present embodiment, as shown in figs.5 and 6, the handrail 93 with the armrest body 931 configured in the body Width one side side of above-mentioned driver's seat 92 is possessed.
Above-mentioned handrail 93 also possesses the front extension 934 forwards extended from above-mentioned armrest body 931.
The body Width lateral surface 934a of above-mentioned front extension 934 arranges above-mentioned variable-speed operation parts 711.
According to said structure, because arrange the front extension 934 forwards extended from above-mentioned armrest body 931, and then, above-mentioned variable-speed operation parts 711 is provided with at the body Width lateral surface 934a of above-mentioned front extension 934, so, manipulator by arm being placed on above-mentioned armrest body 931 with palm towards the state of inner side, can with under the state that there is free space up and down of wrist near above-mentioned variable-speed operation parts 711.Therefore, it is possible to improve the operability of the high above-mentioned variable-speed operation parts 711 of usage frequency.
Be described in more detail.
Fig. 7 be represent the cabin interior shown in Fig. 5 and Fig. 6 handrail 93 near amplification plan view.
In the present embodiment, above-mentioned armrest body 931 as shown in Figure 5 and 7, roughly along body fore-and-aft direction, above-mentioned front extension 934, to be positioned at the mode of body Width outward side along with whereabouts front, tilts to body Width outward side when overlooking.
By having said structure, can under the state of palm towards inner side with the wrist natural posture bending laterally relative to arm near above-mentioned variable-speed operation parts 711, the operability of above-mentioned variable-speed operation parts 711 can be improved further.
Further, above-mentioned armrest body 931 as shown in Figure 7, comprise at the middle section 9311 of body fore-and-aft direction central authorities and the transition region 9312 between above-mentioned middle section 9311 and above-mentioned front extension 934.
And the body Width foreign side side 9312a of above-mentioned transition region 9312, to be positioned at the mode of body Width side along with whereabouts front, tilts to body Width inward side when overlooking.
By having said structure, when operationally can state variable-speed operation parts 711, wrist being moved freely, accordingly, the operability of above-mentioned variable-speed operation parts 711 can be improved further.
Further, above-mentioned handrail 93 is formed in the body Width lateral surface mode that forwards the imaginary plane A3 that extends of side and the body Width lateral surface 934a of above-mentioned front extension 934 intersect that makes in above-mentioned middle section 9311.
By having said structure, owing to elbow being placed on above-mentioned armrest body 931, and when operating above-mentioned variable-speed operation parts 711, the arm of manipulator along with from elbow whereabouts hand, and becomes the posture of the state opened to body Width foreign side, so, can elbow be placed on above-mentioned armrest body 931, and the comfortable posture under the state that hand is stretched naturally, the above-mentioned variable-speed operation parts 711 of rotating operation, can improve the operability of above-mentioned variable-speed operation parts 711 further.
Fig. 8 be represent the cabin interior shown in Fig. 5 and Fig. 6 driver's seat near back side partial enlarged drawing.
In the present embodiment, the body Width lateral surface 934a of above-mentioned front extension 934 as shown in Figure 8, is inclined upwardly (that is, to tilt along with the mode being positioned at body Width foreign side from whereabouts lower end, upper end).
According to said structure, owing to elbow being placed on above-mentioned armrest body 931, and when operating above-mentioned variable-speed operation parts 711, palm is slightly downward, so, the operation can carrying out when operating above-mentioned variable-speed operation parts 711 comfily with finger tip, can improve the operability of above-mentioned variable-speed operation parts 711 further.
In addition, the upper surface 931a of above-mentioned armrest body 931 is made into the dip plane that step-down is such along with side in whereabouts body Width.
And above-mentioned variable-speed operation parts 711 as shown in Figure 8, is positioned at the top compared with the upper surface 931a of above-mentioned armrest body 931.
By having said structure, the operation of above-mentioned variable-speed operation parts 711 can be carried out with stable posture arm being placed on the state on above-mentioned armrest body 931.
In the present embodiment, above-mentioned variable-speed operation parts 711 is as shown in Fig. 5, Fig. 7 and Fig. 8, and the above-mentioned variable-speed unit 51 be made into for possessing above-mentioned working truck 1 infinitely carries out the rotating disc type variable-speed operation parts of variable speed operation.
Fig. 9 is the perspective interior view of the above-mentioned handrail 93 represented in present embodiment.Fig. 9 is the stereographic map from seeing above-mentioned handrail 93 relative to body Width and driver's seat opposition side (above-mentioned mud guard 91 side of body Width one side side).
Above-mentioned variable-speed operation parts 711, as shown in Fig. 7 and Fig. 9, has the operating axis 7111 intersected relative to the body Width lateral surface 934a of above-mentioned front extension 934 and the rotating operation portion 7112 that can not be arranged on the leading section of aforesaid operations axle 7111 with the relative rotation.More particularly, compared with aforesaid operations axle 7111 and the axis orthogonal with the body Width lateral surface 934a of above-mentioned front extension 934, tilt in the mode being positioned at more top along with whereabouts body Width foreign side.
In addition, on the upper surface 934b of above-mentioned front extension 934, as shown in Fig. 5, Fig. 7 and Fig. 8, the above-mentioned most high speed set parts 712 setting the fastest output valve of above-mentioned variable-speed unit 51 is set.
Above-mentioned most high speed set parts 712, as shown in Fig. 7 and Fig. 9, has the swinging operation portion 7123 of the arm 7122 that can swing around the axis of swing 7121 almost parallel with the upper surface 931a of above-mentioned armrest body 931 from the state that the upper surface 934b of above-mentioned front extension 934 has extended upward in leading section and the leading section being fastened to above-mentioned arm 7122.
According to said structure, because on the body Width lateral surface 934a that the above-mentioned variable-speed operation parts 711 and above-mentioned most high speed set parts 712 that form above-mentioned driving system functional unit 71 are configured in the above-mentioned front extension 934 in above-mentioned handrail 93 respectively and upper surface 934b, so, can maloperation be prevented, and improve the operability of above-mentioned driving system functional unit 71.
Namely, be configured on the body Width lateral surface 934a in above-mentioned front extension 934 at the above-mentioned variable-speed operation parts 711 that usage frequency is high, and the lower above-mentioned most high speed set parts 712 of usage frequency be configured in the upper surface 934b in above-mentioned front extension 934 state under, form above-mentioned two functional units 711,712 of above-mentioned driving system functional unit 71 by the intensive above-mentioned front extension 934 be configured in above-mentioned handrail 93.Therefore, the maloperation between above-mentioned two functional units 711,712 can be prevented, and can seek by making above-mentioned two functional units 711,712 closely configure the raising of the operability brought and be configured in the raising near being easy to the operability that position is brought by the above-mentioned variable-speed operation parts 711 making usage frequency high.
Figure 10 be represent the handrail 93 being configured in the cabin interior shown in Fig. 5 to Fig. 7 front extension 934 near amplification right side view.
In the present embodiment, on the body Width lateral surface 934a of above-mentioned front extension 934, as shown in Figure 10, the protection portion 9341 of local around the surrounding in above-mentioned rotating operation portion 7112 is set.
Above-mentioned protection portion 9341 is configured to; when seeing along the axis of aforesaid operations axle 7111; be centrally located at by being positioned at rear and being the space of below in four spaces divided through the imaginary vertical plane A4 of aforesaid operations axle 7111 and imaginary horizontal plane A5, and spending in little scope around above-mentioned rotating operation portion 7112 around aforesaid operations axle 7111 to 180 from above-mentioned center.
By having said structure, the deterioration of the operability in above-mentioned rotating operation portion 7112 can be prevented, and when operationally stating most high speed set parts 712 etc., effectively prevent the hand of manipulator from against one's will contacting the situation in above-mentioned rotating operation portion 7112.
In the present embodiment, in above-mentioned front extension 934, as shown in Fig. 7 and Figure 10, form the protrusion 9342 swelled from body Width lateral surface 934a to body Width foreign side, above-mentioned protrusion 9342 arranges above-mentioned variable-speed operation parts 711.
By having said structure, the above-mentioned rotating operation portion 7112 of above-mentioned variable-speed operation parts 711 can be caught easily, operability can be improved further.
In the present embodiment, above-mentioned protrusion 9342 arranges above-mentioned protection portion 9341.
Above-mentioned protrusion 9342 is made into truncated cone shape.Further, above-mentioned protrusion 9342 is arranged near the leading section of above-mentioned front extension 934.
In addition, in the present embodiment, above-mentioned protection portion 9341 as shown in Figure 10, is made into and is positioned at rear by being roughly housed in four spaces being divided by above-mentioned imaginary vertical plane A4 and above-mentioned imaginary horizontal plane A5 and is the such arc-shaped in the space of below.
In the present embodiment, the upper surface 934b of above-mentioned front extension 934 as shown in Figure 10, when seeing along the above-mentioned axis of swing 7121 of above-mentioned most high speed set parts 712, has the circular shape roughly concentric with above-mentioned axis of swing 7121.
Further, form the pilot hole 9343 rotated around above-mentioned axis of swing 7121 of the above-mentioned arm 7122 allowing above-mentioned most high speed set parts 712 on the upper surface 934b of above-mentioned front extension 934.
By having said structure, due to above-mentioned most high speed set parts 712 can be operated making finger under the state on the surface of above-mentioned front extension 934, so, can operability be improved.
Figure 11 represents the perspective interior view near about the front extension of the handrail 93 of present embodiment.
In the present embodiment, above-mentioned most high speed set parts 712 is as shown in Fig. 7, Figure 10 and Figure 11, possesses locking mechanism 7124, this locking mechanism 7124 makes above-mentioned arm 7122 can be engaged in the opereating specification of each regulation, and the opereating specification of afore mentioned rules is equally spaced arranged in the slewing area of the regulation around above-mentioned axis of swing 7121.
In detail, above-mentioned locking mechanism 7124 has: be fixedly installed on form above-mentioned armrest body 931 balustrade panel 937 on, and there is the plate member 7125 of the side vertical with above-mentioned axis of swing 7121, the plate member 7125 of multiple locking hole 7126 is namely equally spaced formed around above-mentioned axis of swing 7121; And can around the bonded block 7127 that above-mentioned axis of swing 7121 rotates together with above-mentioned arm 7122, namely have with above-mentioned locking hole 7126 mode in opposite directions at the bonded block 7127 in conjunction with projection 7128 arranged along the direction of above-mentioned axis of swing 7121.
Above-mentioned bonded block 7127 can be supported on above-mentioned arm 7122 in the state of retreating along the direction of above-mentioned axis of swing 7121 in conjunction with projection 7128 with above-mentioned with being directly or indirectly, and is above-mentionedly biased to the direction close to above-mentioned plate member 7125 through elastomeric elements such as springs in conjunction with projection 7128.
Further, above-mentioned arm 7122 is biased to the direction close to above-mentioned plate member 7125.
Specifically, as shown in figure 11, with the above-mentioned plate member 7125 of above-mentioned axis of swing 7121 for benchmark, above-mentioned axis of swing 7121 with opposition side, above-mentioned arm support portion, consolidation the consolidation parts 7129 such as nut, between above-mentioned consolidation parts 7129 and above-mentioned plate member 7125, above-mentioned axis of swing 7121 covers and is fitted together to the force application part 7130 be made up of disk spring and pad.
By having said structure, because above-mentioned arm 7122 and above-mentioned plate member 7125 are biased to close direction, therefore, it is possible to make while the force of above-mentioned bonded block 7125 can not be strengthened above-mentionedly to be combined in effectively in above-mentioned locking hole 7126 in conjunction with projection 7128.Therefore, it is possible to alleviate the operation sense of above-mentioned most high speed set parts 712, and above-mentioned most high speed set parts 712 can be made effectively engaging in each above-mentioned locking hole 7126, obtain clear and definite resolution.
In addition, in the present embodiment, above-mentioned bonded block 7127 can be removed.
Therefore, when there is no need to carry out locking according to each regulation resolution in above-mentioned most high speed set parts 712 (such as adopt the situation of stepless changing inferior), by being pulled down by above-mentioned bonded block 7127, specification change can be carried out easily.
Below, the operating portion structure being configured in the above-mentioned passenger cabin 9 of above-mentioned working truck 1 in present embodiment is described.
Aforesaid operations cage structure as shown in figs.5 and 6, have configure in the body Width one side side (here, on the right side of direct of travel) of above-mentioned driver's seat 92 rod guide 97, can manually-operated multiple functional unit and above-mentioned handrail 93.
Above-mentioned rod guide 97 to be formed across the mode on base plate part 94 and above-mentioned mud guard 91, above-mentioned base plate part 94 above-mentioned driver's seat 92 and be configured in above-mentioned driver's seat 92 body Width one side side mud guard 91 between extend.
In addition, above-mentioned handrail 93 is positioned at the top compared with above-mentioned rod guide 97 with the above-mentioned armrest body 931 that manipulator can place arm and the mode being positioned at the body Width middle part of above-mentioned rod guide 97 is formed.
And, across above-mentioned armrest body 931, configure at least one aforesaid operations parts respectively in body Width inward side and outward side.
In the present embodiment, configure above-mentioned working rig elevating lever 72 in the body Width inward side of above-mentioned armrest body 931, be provided with the working rig setting operation dish 95 of above-mentioned work posture set parts 73 in the configuration of body Width outward side.
According to said structure, because clip above-mentioned armrest body 931, at least one functional unit is configured respectively in body Width inward side and outward side, so, the structure in the past of the body Width outward side be configured in compared with armrest body with all multiple functional units is compared, and can effectively prevent the maloperation of running counter to wish.
Figure 12 is side view when to represent from driver's seat viewed from body Width foreign side near above-mentioned handrail 93.In addition, in fig. 12, the state eliminating above-mentioned rod guide 97 is represented.
In the present embodiment, above-mentioned handrail 93 as shown in Fig. 6 and Figure 12, with above-mentioned driver's seat 92 and be configured in above-mentioned driver's seat 92 body Width one side side above-mentioned mud guard 91 between gap in mode be supported on the bracket 932 erectting and be arranged on above-mentioned base plate part 94.More particularly, above-mentioned bracket 932 is straightened and is arranged on above-mentioned second base plate part 942.
By possessing said structure, because above-mentioned armrest body 931 is not connected with the seat portion of above-mentioned driver's seat 92, so, can not pull down by above-mentioned handrail 93, but only the seat portion of above-mentioned driver's seat 92 is pulled down.
Therefore, compared with the handrail being in the past supported on the seat portion of driver's seat through support component with armrest body, can neatly corresponding driver's seat specification change (such as, the shape change etc. in the presence or absence of the suspension on the support portion in present portion, seat portion is set), and the efficient activity of the dismounting operation of driver's seat can be sought.
In the present embodiment, above-mentioned working rig elevating lever 72, as shown in Fig. 5, Fig. 6 and Figure 12, is supported on above-mentioned bracket 932 in the mode can rotated along the rotation axis 721 of body Width at the spaced winding of above-mentioned driver's seat 92 and above-mentioned mud guard 91 with being directly or indirectly.
Above-mentioned handrail 93 is supported on above-mentioned bracket 932 through installing plate 933 in the mode of the body Width foreign side that above-mentioned armrest body 931 is positioned at compared with above-mentioned working rig elevating lever 72.
In addition, above-mentioned rod guide 97 as shown in Figure 6, allows to extend upward as the upper end of the operating portion of above-mentioned working rig elevating lever 72 and the upper end of above-mentioned installing plate 933, and round above-mentioned bracket 932.
Like this, in the present embodiment, utilize the gap between above-mentioned driver's seat 92 and above-mentioned mud guard 91, be set to carry out rotating operation around above-mentioned rotation axis 721 and need the above-mentioned working rig elevating lever 72 of larger installation space, therefore, it is possible to make aforesaid operations cage structure densification.
In addition, because make above-mentioned handrail 93 and above-mentioned working rig elevating lever 72 be supported on single above-mentioned bracket 932, so, the simplification of the support structure of two parts can be sought.
Preferred above-mentioned bracket 932 is also fixed on above-mentioned mud guard 91.Accordingly, above-mentioned bracket 932 can more stably be supported.
In the present embodiment, above-mentioned work posture set parts 73 is described above, is arranged at the above-mentioned working rig setting operation dish 95 configured in the body Width outward side of above-mentioned armrest body 931.
Figure 13 is the vertical view being configured in the working rig setting operation dish in the operating portion structure of cabin interior represented in present embodiment.
In the present embodiment, on above-mentioned working rig setting operation dish 95, as shown in figure 13, as above-mentioned work posture set parts 73, above-mentioned tilling depth set parts 735, above-mentioned automatic control inclination set parts 732, above-mentioned working rig lifting position set parts 734 and above-mentioned manual inclination set parts 733 are set.
In the present embodiment, above-mentioned working rig setting operation dish 95 is also arranged above-mentioned decline buffering set parts 75.
Above-mentioned tilling depth set parts 735, above-mentioned automatic control inclination set parts 732, above-mentioned working rig lifting position set parts 734 and above-mentioned decline buffering set parts 75 are made into the functional unit of the rotating disc type of the upper surface being arranged on above-mentioned working rig setting operation dish 95, and above-mentioned manual inclination set parts 733 is made into the functional unit of the rod-type of the upper surface being arranged on above-mentioned working rig setting operation dish 95.
Above-mentioned working rig setting operation dish 95 as shown in figs.5 and 6, is arranged in the above-mentioned rod guide 97 of the top of the above-mentioned mud guard 91 being extended to body Width one side side.
In addition, in the present embodiment, above-mentioned working rig setting operation dish 95 has the cover 951 that can cover above-mentioned automatic control inclination set parts 732, above-mentioned working rig lifting position set parts 734 and above-mentioned decline buffering set parts 75 integratedly.By covering with above-mentioned cover 951 set parts that usage frequency is few in the operations such as ploughing and weeding, the maloperation in operation more effectively can be prevented.
In the present embodiment, as shown in Figure 8, the below of the upper-end part of driving aspect A1 in the imaginary Width that the upper surface 931a of above-mentioned armrest body 931 is extended to body Width inward side as operating portion of above-mentioned working rig elevating lever 72.
By having said structure, the operability of above-mentioned working rig elevating lever 72 can be improved, and the situation effectively preventing from the arm etc. of manipulator from against one's will encountering above-mentioned working rig elevating lever 72 or above-mentioned working rig elevating lever 72 being misused.
In addition, as shown in Figure 8, upper surface is made into the dip plane that step-down is such along with side in whereabouts body Width to above-mentioned armrest body 931.
By having said structure, arm can be placed on above-mentioned armrest body 931 with stable posture by manipulator.In addition, the operability of the functional unit (present embodiment, above-mentioned working rig elevating lever 72) being arranged in the body Width inward side compared with above-mentioned armrest body 931 under the state be placed on by arm on above-mentioned armrest body 931 can be improved.
In the present embodiment, as shown in Fig. 5 and Figure 12, above-mentioned armrest body 931, above-mentioned working rig elevating lever 72 and above-mentioned work posture set parts 73(above-mentioned working rig setting operation dish 95) relative to body front and back position, at least local is overlapping.
In addition, above-mentioned handrail 93 is as shown in Fig. 5 to Fig. 7, above-mentioned variable-speed operation parts 711, from the above-mentioned front extension 934 that above-mentioned armrest body 931 forwards extends, is arranged in above-mentioned front extension 934 by the mode possessing the front be positioned at compared with above-mentioned work posture set parts 73.
By having said structure, above-mentioned armrest body 931, above-mentioned working rig elevating lever 72 and above-mentioned work posture set parts 73 can be made to configure compactly, and arm can be placed under the state on above-mentioned armrest body 931, operate the higher above-mentioned variable-speed operation parts 711 of usage frequency easily.
In the present embodiment, as shown in Fig. 5 and Fig. 8, to be positioned at the mode of the below of compared with aspect A2 after the imagination making the upper surface 931a of above-mentioned armrest body 931 extend rearward (with above-mentioned imaginary Width aspect A1 for the same face), at the rear side of above-mentioned armrest body 931, above-mentioned PTO Dynamic System parts 76 are arranged on the upper surface of above-mentioned rod guide 97.
By having said structure, the maloperation to above-mentioned PTO Dynamic System parts 76 can be prevented, and above-mentioned PTO Dynamic System parts 76 are configured compactly.
In the present embodiment, above-mentioned PTO output function parts 761 are made into button, and above-mentioned PTO controls switching part 762 and is made into model selection rotating disk.In addition, above-mentioned PTO output function parts 761 and above-mentioned PTO control switching part 762 and are configured in body fore-and-aft direction roughly same position.Further, above-mentioned PTO output function parts 761 are configured in the body Width outward side compared with controlling switching part 762 with above-mentioned PTO.
Below, the above-mentioned handrail 93 in present embodiment is illustrated in greater detail.
In present embodiment, above-mentioned armrest body 931 is described above, be supported on be anchored on above-mentioned bracket 932 above-mentioned installing plate 933 on.
Figure 14 be represent the handrail 93 shown in Fig. 9 armrest body near enlarged drawing.
Above-mentioned installing plate 933, as shown in Fig. 9 and Figure 14, possesses the first installing plate 935 be fastened on above-mentioned bracket 932 and second installing plate 936 that can be arranged on carrying out position adjustment at body fore-and-aft direction on above-mentioned first installing plate 935.
Above-mentioned armrest body 931 can be installed on above-mentioned second installing plate 936 around the rotation axis 9373 along body Width with carrying out position adjustment.
By having said structure, the relative position of the body fore-and-aft direction relative to above-mentioned driver's seat 92 of above-mentioned armrest body 931 and the relative position around above-mentioned rotation axis 9373 can be adjusted, accordingly, the setting position of above-mentioned armrest body 931 can be made easily to meet physique, the job content of manipulator.
In addition, by making above-mentioned armrest body 931 locate around above-mentioned rotation axis 9373 in the free end of above-mentioned armrest body 931 mode upward, can effectively prevent when upper and lower above-mentioned driver's seat 92, above-mentioned armrest body 931 counteracts.
In the present embodiment, above-mentioned bracket 932, as shown in Fig. 9 and Figure 12, has: when flat board member is overlooked to have, the mode of U-shaped is by warpage, and is formed as bar-shaped clava 9321; With the flat bottom parts 9322 of bottom being fastened on above-mentioned clava 9321, above-mentioned bottom parts 9322 is fixed on above-mentioned second base plate part 942.Above-mentioned bracket 932 is that the side peristome of above-mentioned clava 9321 is to be fixed towards the state of body Width first side (body Width outward side).
Above-mentioned first installing plate 935, as shown in Fig. 9 and Figure 14, is fastened to body Width first side of above-mentioned bracket 932 in the upper end of above-mentioned bracket 932.Above-mentioned first installing plate 935 is fastened to the side, upper end of the above-mentioned clava 9321 of above-mentioned bracket 932 in the mode of the side peristome covering this clava 9321 throughout body fore-and-aft direction.Have again, above-mentioned first installing plate 935 has: along the first side 9351 of body fore-and-aft direction, namely be installed in the first side 9351 on above-mentioned bracket 932, second side 9352 almost parallel with above-mentioned first side 9351 and be positioned at the mode of body Width first side (leaving from above-mentioned driver's seat 92) compared with above-mentioned first side 9351 with above-mentioned second side 9352, by the flat linking part 9353 that above-mentioned first side 9351 and above-mentioned second side 9352 link.
Above-mentioned second installing plate 936 has the side 9361 being provided with above-mentioned first installing plate 935 and the upper surface 9362 extended to body Width first side from the upper end of above-mentioned side 9361.Above-mentioned second installing plate 936 is positioned at body Width second side (body Width inward side) compared with above-mentioned second side 9352 of above-mentioned first installing plate 935 state with the above-mentioned side 9361 of above-mentioned second installing plate 936 is installed on above-mentioned first installing plate 935.
Any one party of above-mentioned first installing plate 935 and above-mentioned second installing plate 936 arranges the hole 9354 of the consolidation parts 9364 such as bolt, on any the opposing party of above-mentioned first installing plate 935 and above-mentioned second installing plate 936, elongated hole 9363 along above-mentioned body fore-and-aft direction is set in the position corresponding with above described holes 9354, under the state that above-mentioned consolidation parts 9364 are inserted into above described holes 9354 and above-mentioned elongated hole 9363, fix above-mentioned first installing plate 935 and above-mentioned second installing plate 936 by above-mentioned consolidation parts 9364.
More particularly, as shown in Fig. 9 and Figure 14, above described holes 9354 is arranged on above-mentioned second side 9352 of above-mentioned first installing plate 935, above-mentioned elongated hole 9363 is arranged on the above-mentioned side 9361 of above-mentioned second installing plate 936, and above-mentioned consolidation parts 9364 carry out support with the state of inserting along body Width to both to be fixed.
By having said structure, when carrying out position adjustment at body fore-and-aft direction to above-mentioned second installing plate 936 relative to above-mentioned first installing plate 935, can, to change the mode of the relative position of the above-mentioned consolidation parts 9364 in above-mentioned elongated hole 9363 under the state of being relaxed to a certain degree by above-mentioned consolidation parts 9364, above-mentioned second installing plate 936 be moved at body fore-and-aft direction relative to above-mentioned first installing plate 935.
In addition, in the present embodiment, above-mentioned first installing plate 935 arranges two above described holes 9354 along body fore-and-aft direction, and on above-mentioned second installing plate 936, two above-mentioned elongated holes 9363 are set along body fore-and-aft direction.Accordingly, can the angle of the upper surface 931a of above-mentioned armrest body 931 be remained constant, and position adjustment can be carried out at body fore-and-aft direction to above-mentioned second installing plate 936 relative to above-mentioned first installing plate 935.
In the present embodiment, above-mentioned armrest body 931, as shown in Fig. 9 and Figure 14, comprises the above-mentioned balustrade panel 937 with the side 9371 extended in roughly vertical direction and the upper surface 9372 extended to body Width first side from the upper end of above-mentioned side 9371.
In addition, above-mentioned rotation axis 9373 is fastened on above-mentioned side 9371 in the mode extended to body Width first side from above-mentioned side 9371.
On the other hand, above-mentioned second installing plate 936 is provided with the shaft hub 9365 inserted by above-mentioned rotation axis 9373, by body Width second side of above-mentioned rotation axis 9373 from above-mentioned shaft hub 9365 is inserted in above-mentioned shaft hub 9365, thus above-mentioned armrest body 931 is attached on above-mentioned second installing plate 936 removably.
By having said structure, above-mentioned bracket 932, above-mentioned first installing plate 935 and above-mentioned second installing plate 936 can be changed, and armrest bodies 931 different for specification is arranged on above-mentioned second installing plate 936.Such as, above-mentioned bracket 932, above-mentioned first installing plate 935 and above-mentioned second installing plate 936 can be changed, and the armrest body possessing functional unit and other the armrest body that do not possess aforesaid operations parts are installed on above-mentioned second installing plate 936 selectively.
In addition, above-mentioned balustrade panel 937 also can have second side of extending from body Width first side of above-mentioned upper surface 9372 downwards.
In the present embodiment, above-mentioned rotation axis 9373 is as shown in Fig. 9 and Figure 14, and near the rearward end being fastened to above-mentioned balustrade panel 937, above-mentioned shaft hub 9365 is fastened to the rearward end of above-mentioned second installing plate 936 and is upper end.
Body Width first side end of above-mentioned rotation axis 9373 with above-mentioned rotation axis 9373 fixed part 9375 such as state mounting nuts being inserted through above-mentioned shaft hub 9365.
Further, between above-mentioned shaft hub 9365 and fixation portions part 9375, it is disk spring and pad that folder is inserted in the elastomeric element 9376(present embodiment exerted a force to body Width first side by above-mentioned rotation axis 9373 through fixation portions part 9375).
By having said structure, the above-mentioned shaft hub 9365 becoming above-mentioned second installing plate 936 has elasticity and is urged to the state of the above-mentioned side 9371 of above-mentioned balustrade panel 937.That is, above-mentioned armrest body 931 can rotate around above-mentioned rotation axis 9373 under the state being provided with frictional resistance.Therefore, rotate around above-mentioned rotation axis 9373 above-mentioned armrest body 931 can be made, even and if when rotate way in hand have left above-mentioned armrest body 931, also can effectively prevent above-mentioned armrest body 931 from lying down suddenly, to the situation that above-mentioned variable-speed operation parts 711, above-mentioned most high speed set parts 712 impact.In addition, above-mentioned armrest body 931 can also be made can be kept by the elastic force of above-mentioned elastomeric element 9376 in the turned position of regulation.
In the present embodiment, abut by making the back end edge of the above-mentioned side 9361 of the back end edge of the above-mentioned upper surface 9372 of above-mentioned balustrade panel 937 and above-mentioned second installing plate 936, limit the slewing area around above-mentioned rotation axis 9,373 one side side of above-mentioned armrest body 931, by making the above-mentioned upper surface 9362 of the above-mentioned upper surface 9372 of above-mentioned balustrade panel 937 and above-mentioned second installing plate 936 abut, limit the slewing area around above-mentioned rotation axis 9373 the opposing party side of above-mentioned armrest body 931.
In addition, at the body front part of the above-mentioned upper surface 9362 of above-mentioned second installing plate 936, the buffer unit 9366 that can be connected to the above-mentioned upper surface 9372 of above-mentioned balustrade panel 937 is from below installed.More particularly, above-mentioned buffer unit 9366 has flexible parts by rubber etc. and forms, and is fixed to be entrapped in the state snapping in hole 9367 that the above-mentioned upper surface 9362 of above-mentioned second installing plate 936 is arranged.
By possessing said structure, under using state arm being ridden over above-mentioned armrest body 931, become the state that above-mentioned buffer unit 9366 is connected to above-mentioned balustrade panel 937, therefore, it is possible to can not stably support above-mentioned balustrade panel 927 with vacillating now to the left, now to the right by above-mentioned buffer unit 9366 and above-mentioned shaft hub 9265 relative to above-mentioned second installing plate 936.Therefore, it is possible to make above-mentioned armrest body 931 rotate around above-mentioned rotation axis 9373, and can stably support above-mentioned armrest body 931 in a state of use.
In addition, by preventing above-mentioned armrest body 931 from directly abutting above-mentioned balustrade panel 937, when can prevent from abutting, produce impulsive sound, and can prevent from applying to impact to above-mentioned variable-speed operation parts 711 and above-mentioned most high speed set parts 712.
In the present embodiment, above-mentioned armrest body 931, as shown in Fig. 7 and Figure 10, has the armrest cover 938 of the above-mentioned upper surface 9372 being fixed on above-mentioned balustrade panel 937.
At the upper surface of above-mentioned armrest cover 938, paste the slip-proofing device 9381 of rubber, above-mentioned slip-proofing device 9381 forms the upper surface 931a of above-mentioned armrest body 931.In addition, in Fig. 9 and Figure 14, although illustrate above-mentioned slip-proofing device 9381, eliminate the diagram of above-mentioned armrest cover 938.
Above-mentioned armrest cover 938, as shown in Fig. 7 and Figure 10, has at above-mentioned protrusion 9342 by upper and lower two segmentation such upper cover 938a and lower cover 938b.
In the present embodiment, above-mentioned working rig elevating lever 72 as shown in figure 12, is supported on this bracket 932 in the body fore-and-aft direction one side side (being front side in present embodiment) of above-mentioned bracket 932 with being directly or indirectly.
Configure above-mentioned control device 8 in body fore-and-aft direction the opposing party side (in present embodiment for rear side) of above-mentioned bracket 932, above-mentioned control device 8 by above-mentioned rod guide 97 around.
By having said structure, the above-mentioned gap between above-mentioned driver's seat 92 and above-mentioned mud guard 91 can be utilized, effectively configuring above-mentioned control device 8.Especially possess the present embodiment of functional unit under such circumstances at above-mentioned rod guide 97, above-mentioned handrail 93, effectively can carry out the distribution between aforesaid operations parts and above-mentioned control device 8.
In addition, above-mentioned control device 8 can be fixed on above-mentioned mud guard 91, also can be supported on above-mentioned bracket 932 directly or indirectly.
In addition, in the space that the above-mentioned upper surface 9372 by above-mentioned armrest cover 928 and above-mentioned balustrade panel 927 is formed, the distribution functional unit be attached on above-mentioned handrail 93 and above-mentioned control device 8 are electrically connected can be inserted.
In the present embodiment, as shown in Figure 5, on above-mentioned second base plate part 942 between above-mentioned driver's seat 92 and the mud guard of body Width the opposing party side (left side), erect and the secondary variable-speed operation parts (secondary shift lever) 77 for operating above-mentioned secondary speed-changing device 53 is set.
In addition, for operating the PTO variable-speed operation parts 78 of above-mentioned PTO speed change gear 59 as shown in figs.5 and 6, with the front at above-mentioned secondary variable-speed operation parts 77, arrange from the mode of forwards extending the tilt component 943 connected between above-mentioned first base plate part 941 and above-mentioned second base plate part 942.
Further, the forward-reverse blocked operation parts 79 for operating above-mentioned forward-reverse switching device 52 are arranged on body Width the opposing party side of steering column 96, this steering column 96 is arranged on the front of above-mentioned driver's seat 92.
In addition, above-mentioned working rig down operation parts 74 are arranged on the body Width one side side of above-mentioned steering column 96.
In addition, the master clutch pedal 70 carrying out ON/OFF operation to above-mentioned master clutch (above-mentioned forward-reverse switching device 52) is arranged on body Width the opposing party side in the front of above-mentioned driver's seat 92.
Embodiment 2
Below, with reference to accompanying drawing, other embodiment of the present invention is described.
First, explanation can apply working truck of the present invention.
Figure 15 ~ Figure 17 is the side view of the tractor of the example represented respectively as above-mentioned working truck, transmission schematic diagram and hydraulic circuit diagram.
As shown in Figure 15 ~ Figure 17, above-mentioned working truck 2001 possesses vehicle frame 2002, the engine 2003 be supported on above-mentioned vehicle frame 2002, the variator 2004 by above-mentioned engine 2003 action ground transmitting rotary power, a pair front-wheel 2005 being disposed in vehicle fore-and-aft direction respectively and pair of rear wheels 2006, by the ground of the rotary power action from above-mentioned variator 2004 working rigs 2010 such as the cultivator that drives.
In above-mentioned working truck 2001, above-mentioned pair of rear wheels 2006 as by the rotary power action from above-mentioned variator 2004 the main drive wheel that drives play a role, and, above-mentioned a pair front-wheel 2005 plays a role as deflecting roller, and plays a role as the secondary driving wheel driven selectively by the rotary power from above-mentioned variator 2004.
Above-mentioned variator 2004 is as shown in Figure 15 and Figure 16, there is the input shaft 2041 linked with the action of above-mentioned engine 2002, folder is inserted in from above-mentioned input shaft 2041 to the driving system gear train 2020 the above-mentioned trailing wheel 2006 played a role as main drive wheel and the driving system drive path of above-mentioned front-wheel 2005 played a role as secondary driving wheel, by the PTO axle 2035 that rotary power exports to above-mentioned working rig 2010, folder is inserted in the PTO drive system mechanism 2030 the PTO drive system path from above-mentioned input shaft 2041 to above-mentioned PTO axle 2035, support above-mentioned input shaft 2041 and above-mentioned PTO axle 2035, and accommodate the mission case 2040 of above-mentioned driving system gear train 2020 and above-mentioned PTO drive system mechanism 2030.
In above-mentioned working truck 1, as shown in figure 16, above-mentioned driving system gear train 2020 possesses the rotational speed of rotary power and the gear of sense of rotation that change from above-mentioned input shaft 2041, the traveling driving shaft 2024 of the rotary power inputted by above-mentioned gear speed change, using the rotary power from above-mentioned traveling driving shaft 2024 to the main drive wheel side differential gear mechanism 2025 that exports of the differential ground of the above-mentioned pair of rear wheels 2006 played a role as main drive wheel, with the secondary driving wheel output unit 2026 that the rotary power from above-mentioned traveling driving shaft 2024 can be exported to above-mentioned a pair front-wheel 2005 played a role as secondary driving wheel.
In the present embodiment, above-mentioned gear as shown in figure 16, has the variable-speed unit 2021 played a role as main transformer speed variator, the forward-reverse switching device 2022 of the sense of rotation relative to above-mentioned input shaft 2041 that can switch above-mentioned traveling driving shaft 2024 and the step by-step variable gear 2023 that plays a role as secondary speed-changing device.
In the present embodiment, above-mentioned variable-speed unit 2021 is HST.
In detail, as shown in figure 16, above-mentioned variable-speed unit 2021 possess with above-mentioned input shaft action link pump shaft 2211, the hydraulic pump main body 2212 by the ground rotary actuation of above-mentioned pump shaft 2211 action, the oil motor main body 2214 driven by above-mentioned hydraulic pump main body 2212 fluidity, by above-mentioned oil motor main body 2214 action rotary actuation motor drive shaft 2213, the output adjusting mechanism 2215 of the volumetric quantity of at least one party of above-mentioned hydraulic pump main body 2212 and above-mentioned oil motor main body 2214 can be changed.
In addition, in the present embodiment, as shown in figure 16, above-mentioned HST is the tandem of above-mentioned pump shaft 2211 and said motor axle 2213 configuration on coaxially.
In the present embodiment, above-mentioned output adjusting mechanism 2215 by the HST electric actuator 2510(of the forms such as electro-motor or the assembly making solenoid valve and hydraulic actuator see following Figure 18) carry out action.
That is, above-mentioned working truck 2001 also possesses the control device 2400 of the action control of above-mentioned HST electric actuator 2510 and responsible above-mentioned HST electric actuator 2510.
Figure 18 is the system chart representing above-mentioned control device 2400.
As shown in figure 18, above-mentioned control device 2400, according to the manual operation to variable-speed operation parts 2410 described later, performs the action control of above-mentioned HST electric actuator 2510.
In the present embodiment, above-mentioned forward-reverse switching device 2022 as shown in figure 16, is configured in the downstream of above-mentioned variable-speed unit 2021 relative to transmission direction.
Above-mentioned forward-reverse switching device 2022 is configured to the sense of rotation of the rotary power inputted from said motor axle 2213 to be switched to forward direction or reverse directions, and transmits to traveling intermediate shaft 2027.
In detail, above-mentioned forward-reverse switching device 2022 having forward gear row 2022F for being transmitted from said motor axle 2213 to above-mentioned traveling intermediate shaft 2027 by rotary power with forward direction, being used for the forward-reverse clutch mechanism 2220 of the reversion gear row 2022R that transmitted from said motor axle 2213 to above-mentioned traveling intermediate shaft 2027 by rotary power with reverse directions and the drive state that switches above-mentioned forward gear row 2022F and above-mentioned reversion gear row 2022R.
Above-mentioned forward-reverse clutch mechanism 2220 has: through above-mentioned forward gear row 2022F to transmit from said motor axle 2213 to above-mentioned traveling intermediate shaft 2027 power forward clutch coupling 2220F and through above-mentioned reversion gear row 2022R from said motor axle 2213 to the reversion clutch coupling 2220R of above-mentioned traveling intermediate shaft 2027 transmitting rotary power.
Above-mentioned forward-reverse clutch mechanism 2220 as shown in figure 18, by correspondingly carrying out action by the forward-reverse electric actuator 2520 of above-mentioned control device 2400 action control with to the manual operation of forward-reverse blocked operation parts 2411.
In the present embodiment, above-mentioned forward-reverse clutch mechanism 2220 as shown in figure 17, makes the form of fluid coupling.
Therefore, above-mentioned forward-reverse electric actuator 2520 as shown in figure 17, possess forward solenoid valve 2520F that working oil is switched from from hydraulic power source to the supply and discharge of above-mentioned forward clutch coupling 2220F and to working oil from hydraulic power source to the reversion solenoid valve 2520R that the supply and discharge of above-mentioned reversion clutch coupling 2220R switches.
Above-mentioned control device 2400 as shown in figure 18, with the position control manual operation of above-mentioned forward-reverse blocked operation parts 2411 correspondingly being carried out to above-mentioned forward solenoid valve 2520F and above-mentioned reversion solenoid valve 2520R.
If preferably above-mentioned forward-reverse blocked operation parts 2411 are positioned at neutral position, then above-mentioned control device 2400 becomes power with above-mentioned forward fluid coupling 2220F and above-mentioned both reversion fluid coupling 2220R and cuts off the mode of state, carries out the position control of above-mentioned forward solenoid valve 2520F and above-mentioned reversion solenoid valve 2520R.
In addition, above-mentioned forward-reverse blocked operation parts 2411 also can with the split of above-mentioned variable-speed operation parts 2410, or also can be made of one.
In the present embodiment, above-mentioned step by-step variable gear 2023 as shown in figure 16, is configured in the downstream of above-mentioned forward-reverse switching device 2022 relative to transmission direction.
Above-mentioned step by-step variable gear 2023 is configured to by the rotary power multi-change speed of above-mentioned traveling intermediate shaft 2027, and to transmit to above-mentioned traveling driving shaft 2024.
In the present embodiment, above-mentioned step by-step variable gear 2023 has for making above-mentioned traveling driving shaft 2024 with the high speed gear row 2023H of High Rotation Speed, for making above-mentioned traveling driving shaft 2024 with the low speed gear row 2023L of low speed rotation and the high low speed switch clutch 2230 for making above-mentioned high speed gear row 2023H or above-mentioned low speed gear row 2023L become drive state selectively.
Above-mentioned high low speed switch clutch 2230 as shown in figure 18, carries out action by the high low speed switching electric actuator 2530 of the forms such as electro-motor or the assembly making solenoid valve and hydraulic actuator.
Above-mentioned high low speed switching electric actuator 2530 is by above-mentioned control device 2400 and correspondingly carry out action control to the manual operation of high low speed blocked operation parts 2420.
Above-mentioned secondary driving wheel output unit 2026 is configured to the rotary power from above-mentioned traveling driving shaft 2024 to be exported to above-mentioned secondary driving wheel selectively.
In detail, above-mentioned secondary driving wheel output unit 2026 have to above-mentioned secondary driving wheel outputting rotary power secondary driving wheel output shaft 2265 and press from both sides the secondary driving wheel clutch mechanism 2260 that is inserted between above-mentioned traveling driving shaft 2024 and above-mentioned secondary driving wheel output shaft 2265.
In addition, in the present embodiment, above-mentioned secondary driving wheel output unit 2026 is configured to two of the power transmission that partition can be made selectively to above-mentioned secondary driving wheel and drives state, drives the constant speed 4 wheel driven state of above-mentioned secondary driving wheel with the rotational speed synchronous with above-mentioned main drive wheel, to drive the speedup 4 wheel driven state of above-mentioned secondary driving wheel to occur than above-mentioned main drive wheel rotational speed at a high speed.
Specifically, above-mentioned secondary driving wheel output unit 2026, on the basis of above-mentioned secondary driving wheel output shaft 2265 and above-mentioned secondary driving wheel clutch mechanism 2260, also has for the speedup gear row 2261H making above-mentioned secondary driving wheel output shaft 2265 and the constant speed gear row 2261L of above-mentioned traveling driving shaft 2024 synchronous rotary and rotate for making above-mentioned secondary driving wheel output shaft 2265 and above-mentioned traveling driving shaft 2024 be in a ratio of speedup.
And above-mentioned secondary driving wheel clutch mechanism 2260 includes and selectively makes above-mentioned constant speed gear row 2261L become the constant speed clutch coupling 2260L of power delivery status and make above-mentioned speedup gear row 2261H become the speedup clutch coupling 2260H of power delivery status selectively.
Above-mentioned constant speed clutch coupling 2260L and above-mentioned speedup clutch coupling 2260H as shown in figure 18, by two driving/4 wheel driven switching electric actuator 2540 carries out action.
In the present embodiment, the form of fluid coupling made by above-mentioned secondary driving wheel clutch mechanism 2260.
Therefore, above-mentioned two to drive/4 wheel driven switching electric actuator 2540 as shown in figure 17, possess constant speed solenoid valve 2540L that working oil is switched from from hydraulic power source to the supply and discharge of above-mentioned constant speed clutch coupling 2260L and to working oil from hydraulic power source to the speedup solenoid valve 2540H that the supply and discharge of above-mentioned speedup clutch coupling 2260H switches.
Above-mentioned control device 2400 as shown in figure 18, with two to drive/steering angle of 4 wheel driven blocked operation parts 2430 and above-mentioned working truck 2001 correspondingly carries out the position control of above-mentioned constant speed solenoid valve 2540L and above-mentioned speedup solenoid valve 2540H.
In detail, above-mentioned two drive/and 4 wheel driven blocked operation parts 2430 are configured to choose two and drive position, 4 wheel driven position and 4 wheel driven speedup position.
And, if according to from two driving/signal of 4 wheel driven blocked operation side senser 2431 is judged as above-mentioned two driving/4 wheel driven blocked operation parts 2430 are in two and drive position, then above-mentioned control device 2400 becomes power with the both sides of above-mentioned constant speed fluid coupling 2260L and speedup fluid coupling 2260H and cuts off the mode of state, makes above-mentioned constant speed solenoid valve 2540L and above-mentioned speedup solenoid valve 2540H action.
In addition, if according to from above-mentioned two driving/signal of 4 wheel driven blocked operation side senser 2431, be judged as above-mentioned two driving/4 wheel driven blocked operation parts 2430 are in 4 wheel driven position, then above-mentioned control device 2400 becomes power delivery status with above-mentioned constant speed fluid coupling 2260L, and speedup fluid coupling 2260H becomes the mode that power cuts off state, makes above-mentioned constant speed solenoid valve 2540L and above-mentioned speedup solenoid valve 2540H action.
On the other hand, if according to from above-mentioned two driving/signal of 4 wheel driven blocked operation side senser 2431, be judged as above-mentioned two driving/4 wheel driven blocked operation parts 2430 are in 4 wheel driven speedup position, then above-mentioned control device 2400 is according to the signal from steering angle sensor 2571, power delivery status is become with constant speed fluid coupling 2260L above-mentioned when vehicle is kept straight on, and above-mentioned speedup fluid coupling 2260H becomes the mode of power delivery status when vehicle circles round, make above-mentioned constant speed solenoid valve 2560L and above-mentioned speedup solenoid valve 2540H action.
Above-mentioned PTO drive system mechanism 2030 as shown in figure 16, has and makes the PTO clutch apparatus 2031 combining from above-mentioned input shaft 2041 to the power transmission of above-mentioned PTO axle 2035 or cut off and the PTO step by-step variable gear 2032 making the rotary power multi-change speed transmitted to above-mentioned PTO axle 2035 from above-mentioned input shaft 2041 selectively.
Above-mentioned PTO clutch apparatus 2031 possesses the driving side parts 2311 linked with the action of above-mentioned input shaft 2041, the slave end parts 2312 linked with the action of above-mentioned PTO axle 2035 and makes selectively from above-mentioned driving side parts 2311 to the PTO clutch mechanism 2313 that the power transmission of above-mentioned slave end parts 2312 is combined or cuts off.
Above-mentioned PTO clutch mechanism 2313 as shown in figure 18, correspondingly carries out action by the PTO electric actuator 2550 of above-mentioned control device 2400 action control by the manual operation engaging opening operation parts 2440 with to PTO.
In the present embodiment, above-mentioned PTO clutch mechanism 2313 as shown in figure 17, makes the form of fluid coupling.
Therefore, above-mentioned PTO electric actuator 2550 as shown in figure 17, does paired working oil carries out the PTO joint disconnection solenoid valve switched to the supply and discharge of above-mentioned PTO clutch mechanism 2313 form from hydraulic power source.
And above-mentioned control device 2400 engages opening operation parts 2440 manual operation with to above-mentioned PTO is correspondingly carried out above-mentioned PTO and is engaged the position control disconnecting solenoid valve 2550.
In addition, in the present embodiment, above-mentioned PTO clutch apparatus 2031, as shown in Figure 16 and Figure 17, also has relative to the action on the contrary of above-mentioned PTO clutch mechanism 2313, to the PTO stopper mechanism 2314 of above-mentioned slave end parts 2312 additional brake power.
In the present embodiment, above-mentioned PTO step by-step variable gear 32 as shown in figure 16, is configured in the downstream of above-mentioned PTO clutch apparatus 31 relative to transmission direction.
In detail, above-mentioned PTO step by-step variable gear 2032 has the PTO transmission shaft 2321 linked from above-mentioned slave end parts 2312 action of above-mentioned PTO clutch apparatus 2031, the PTO variable-speed shaft 2322 linked with the action of above-mentioned PTO axle 2035, the multiple PTO speed gear row 2323 transmitted from above-mentioned PTO transmission shaft 2321 to above-mentioned PTO variable-speed shaft 2322 by rotary power with different gear ratio and makes any one PTO speed gear of above-mentioned multiple PTO speed gear row 2323 arrange the PTO speed change clutch parts 2324 becoming power delivery status selectively.
Above-mentioned working truck 2001, as shown in Figure 15 ~ Figure 17, also possesses: for the power steering hydraulic operation mechanism 2270 making above-mentioned a pair deflecting roller (being above-mentioned front-wheel 2005 in present embodiment) turn to; For the hydraulicefficiency elevation structure 2275 making above-mentioned working rig 2010 be elevated; For the hydraulic tilt mechanism 2280 making the flat-hand position relative to vehicle main frame of above-mentioned working rig 2010 change; As the first service pump 2285 that the hydraulic power source of above-mentioned power steering hydraulic operation mechanism 2270, above-mentioned forward-reverse fluid coupling mechanism 2220, above-mentioned secondary driving wheel fluid coupling mechanism 2260 and above-mentioned hydraulic pressure PTO clutch mechanism 2313 plays a role; With the second service pump 2290 that the hydraulic power source as above-mentioned hydraulicefficiency elevation structure 2275 and above-mentioned hydraulic tilt mechanism 2280 plays a role.
Above-mentioned hydraulicefficiency elevation structure 2275, as shown in Figure 15 and Figure 17, possesses by the cylinder casing 2276 of the upper surface being positioned in above-mentioned mission case 2040; To-and-fro movement is freely by lifting piston 2277 that above-mentioned cylinder casing 2276 is accommodated; And with the to-and-fro movement of above-mentioned lifting piston 2277 correspondingly, pair of right and left lift arm 2278L, the 2278R in the mode swung around the rotation axis 2278 along vehicle-width direction base end part is supported on rotationally on above-mentioned cylinder casing 2276.
The free end of above-mentioned pair of right and left lift arm 2278L, 2278R as shown in figure 15, links through pair of right and left lifting arm 2279L, 2279R and above-mentioned working rig 2010 action.
In detail, above-mentioned working rig 2010 as shown in figure 15, is attached on vehicle main frame through upper connecting rod 2011 and pair of right and left lower link 2012L, 2012R.
One end of above-mentioned upper connecting rod 2011 is attached on vehicle main frame rotationally, and the other end is attached on above-mentioned working rig 2010 rotationally.
One end of above-mentioned pair of right and left lower link 2012L, 2012R is attached on vehicle main frame rotationally, and the other end is attached on above-mentioned working rig 2010 rotationally.
And, the upper end of above-mentioned pair of right and left lifting arm 2279L, 2279R is attached at the free end of above-mentioned pair of right and left lift arm 2278L, 2278R rotationally, and bottom is attached at the fore-and-aft direction middle part of above-mentioned pair of right and left lower link 2012L, 2012R rotationally.
Above-mentioned hydraulicefficiency elevation structure 2275 as shown in figure 18, by above-mentioned control device 2400 with correspondingly action control is carried out to the manual operation of working rig elevating lever 2450 and working rig direction switch 2460.
In detail, above-mentioned working truck 2001 is as shown in Figure 17 and Figure 18, have working oil from above-mentioned second service pump 2290 played a role as hydraulic power source to the electromagnetism lift valve 2560 that the supply and discharge of above-mentioned hydraulicefficiency elevation structure 2275 switches, above-mentioned control device 2400 and the action control manual operation of above-mentioned working rig elevating lever 2450 and above-mentioned working rig direction switch 2460 correspondingly being carried out to above-mentioned electromagnetism lift valve 2560, accordingly, above-mentioned hydraulicefficiency elevation structure 2275 carries out action.
Above-mentioned hydraulic tilt mechanism 2280 is configured to, and folder is inserted in a side of above-mentioned pair of right and left lifting arm 2279L, 2279R, and the supply and discharge because of working oil controls and stretches, and accordingly, can change the flat-hand position relative to vehicle main frame of above-mentioned working rig 2010.
In detail, above-mentioned hydraulic tilt mechanism 2280 as shown in figure 17, possesses the inclination piston 2282 that tilting cylinder 2281 and to-and-fro movement are freely housed in above-mentioned tilting cylinder 2281.
Above-mentioned hydraulic tilt mechanism 2280 as shown in figure 18, by above-mentioned control device 2400 with correspondingly action control is carried out to the manual operation of working rig tilt operation parts 2470.
In detail, above-mentioned working truck 2001 as shown in figure 17, have working oil from above-mentioned second service pump 2290 played a role as hydraulic power source to the inclination solenoid valve 2565 that the supply and discharge of above-mentioned hydraulic tilt mechanism 2280 switches, above-mentioned control device 2400 and the action control manual operation of above-mentioned working rig tilt operation parts 2470 correspondingly being carried out to above-mentioned inclination solenoid valve 2565, accordingly, above-mentioned hydraulic tilt mechanism 2280 carries out action.
Here, the control structure of above-mentioned control device 2400 is described.
First, illustrate that the driving system in above-mentioned control device 2400 controls structure.
As shown in figure 18, above-mentioned working truck 2001 possessing above-mentioned variable-speed operation parts 2410 for operating above-mentioned HST2021, detecting the variable speed operation side senser 2415 of the mode of operation of above-mentioned variable-speed operation parts 2410, make the above-mentioned HST electric actuator 2510 of output adjustment component 2215 action of above-mentioned HST2021 and detecting the gear shifting operation side senser 2511 of operating state of above-mentioned output adjustment component 2215.
In the present embodiment, as shown in figure 18, comprising can separately manually-operated main variable-speed operation parts 2410a and speed adjustment component 2410b for above-mentioned variable-speed operation parts 2410.
Therefore, above-mentioned variable speed operation side senser 2415 comprises main transformer speed sensor 2415a and the speed adjustment fore side sensor 2415b of the respective mode of operation detecting above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b.
Above-mentioned main variable-speed operation parts 2410a is the parts for setting the gear ratio produced by above-mentioned HST2021.
On the other hand, above-mentioned speed adjustment component 2041b is under making the output speed of the above-mentioned HST2021 based on the gear ratio set by above-mentioned main variable-speed operation parts 2410a be the state exported the soonest, changes the parts of the output speed of above-mentioned HST2021.
Like this, by possessing above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b as above-mentioned variable-speed operation parts 2410, can by the speed change level refinement of the output speed of above-mentioned HST2021.
Above-mentioned control device 2400 becomes the mode of the target output speed set by above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b with the output speed of the reality of above-mentioned HST2021, make the action of above-mentioned HST electric actuator 2510.
In addition, above-mentioned control device 2400, according to the HST output transducer 2513 of the rotational speed of the above-mentioned gear shifting operation side senser 2511 of the operating state of the above-mentioned HST electric actuator 2510 of detection, the output adjustment side senser 2512 detecting the operating state of above-mentioned output adjustment component 2215 and/or detection said motor axle 2213, identifies the output speed of the reality of above-mentioned HST2021.
As shown in figure 18, above-mentioned working truck 1 also possesses the above-mentioned forward-reverse blocked operation parts 411 for operating above-mentioned forward-reverse switching device 22, the forward-reverse blocked operation side senser 412 detecting the mode of operation of above-mentioned forward-reverse blocked operation parts 411, above-mentioned forward-reverse electric actuator 520 and detects the forward-reverse switching action side senser 521 of operating state of above-mentioned forward-reverse switching device 22.
In detail, if above-mentioned control device 2400 is according to the signal from above-mentioned forward-reverse blocked operation side senser 2412, judge that above-mentioned forward-reverse blocked operation parts 2411 are positioned at advance side and retreat side, then become advance drive state respectively with above-mentioned forward-reverse switching device 2022 and retreat the mode of drive state, make the action of above-mentioned forward-reverse electric actuator 2520, and, if according to the signal from above-mentioned forward-reverse blocked operation side senser 2412, judge that above-mentioned forward-reverse blocked operation parts 2411 are positioned at neutral position, the mode of power partition state is then become with above-mentioned forward-reverse switching device 2022, make the action of above-mentioned forward-reverse electric actuator 2520.
In addition, above-mentioned forward-reverse switching action side senser 2521 can comprise the sensor of the operating state detecting above-mentioned forward-reverse electric actuator 2520 and/or detect the sensor of sense of rotation of slave end of above-mentioned forward-reverse switching device 2022.
Above-mentioned working truck 2001 as shown in figure 18, can also possessing the above-mentioned high low speed blocked operation parts 2420 for operating above-mentioned step by-step variable gear 2023, detecting the high low speed blocked operation side senser 2425 of the mode of operation of above-mentioned high low speed blocked operation parts 2420, above-mentioned high low speed switching electric actuator 2530 and detecting the high low speed switching action side senser 2531 of operating state of above-mentioned high and low speed switching device 2023.
In addition, also can substitute this structure, through mechanical linkage, switch (the シ Off タ) action of above-mentioned high low speed blocked operation parts 2420 and above-mentioned step by-step variable gear 2023 be linked.
Above-mentioned working truck 2001, as shown in Figure 17 and Figure 18, also possesses the steering angle sensor 2571 of the turning members 2485 such as the bearing circle for operating above-mentioned deflecting roller (in present embodiment for above-mentioned front-wheel 2005), the steering operation side senser 2486 detecting the mode of operation of above-mentioned turning member 2485, above-mentioned power steering hydraulic operation mechanism 2270, the power steering solenoid valve 2570 switched from hydraulic power source to the supply and discharge of above-mentioned power steering hydraulic operation mechanism 2270 working oil and the steering angle that detects above-mentioned working truck 2001.
Above-mentioned control device 2400 is according to the signal from above-mentioned steering operation side senser 2486 and above-mentioned steering angle sensor 2571, with above-mentioned working truck 2001 and the mode be correspondingly diverted the operation of above-mentioned turning member 2485, make the action of above-mentioned power steering solenoid valve 2570.
Above-mentioned working truck 2001 as shown in figure 18, also possess for operate above-mentioned secondary driving wheel output unit 2026 above-mentioned two drive/4 wheel driven blocked operation parts 2430, detect above-mentioned two to drive/above-mentioned two the driving of the mode of operation of 4 wheel driven blocked operation parts 2430/4 wheel driven blocked operation side senser 2431, above-mentioned two drives/4 wheel driven switching electric actuator 2540 and detect the secondary driving wheel output switching action side senser 2541 of operating state of above-mentioned secondary driving wheel output unit 2026.
Then, the PTO Systematical control structure in above-mentioned control device 2400 is described.
As shown in figure 18, above-mentioned working truck 2001 possesses for making the above-mentioned PTO combining from above-mentioned engine 2002 to the power delivery status of above-mentioned PTO axle 2035 or cut off engage opening operation parts 2440, detects the PTO action side senser 2551 of operating state that PTO that above-mentioned PTO engages the mode of operation of opening operation parts 2440 engages opening operation side senser 2441, above-mentioned PTO electric actuator 2550 and detect above-mentioned PTO clutch mechanism 2313.
Above-mentioned control device 2400 engages opening operation parts 2440 manual operation with to above-mentioned PTO correspondingly becomes with above-mentioned PTO clutch mechanism 2313 mode that power delivery status or power cuts off state, makes the action of above-mentioned PTO electric actuator 2550.
In addition, above-mentioned PTO action side senser 2551 such as can make the sensor detected with or without the rotation of the above-mentioned slave end parts 2312 of above-mentioned PTO clutch apparatus 2031.
Above-mentioned working truck 2001 also possesses the PTO drive pattern blocked operation parts 2445 of the drive pattern for switching above-mentioned PTO axle 2035 and detects the PTO drive pattern sensor 2446 of mode of operation of above-mentioned PTO drive pattern blocked operation parts 2445.
Above-mentioned PTO drive pattern blocked operation parts 2445 are parts of the action control pattern for switching the above-mentioned PTO clutch mechanism 2313 undertaken by above-mentioned control device 2400.
In detail, above-mentioned PTO drive pattern blocked operation parts 2445 are configured to obtain interlock position, independent position and lifting interlock position.
Under the state that above-mentioned PTO drive pattern blocked operation parts 2445 are positioned at interlock position, above-mentioned control device 2400 correspondingly switches the mode of the drive state of above-mentioned PTO clutch mechanism 2313 with the mode of operation engaging opening operation parts 2440 with above-mentioned PTO, make the action of above-mentioned PTO electric actuator 2550, if and with above-mentioned driving system drive path become power cut off state, the impact of the mode of operation of opening operation parts 2440 is not then engaged by above-mentioned PTO, above-mentioned PTO clutch mechanism 2313 is forcibly made to become the mode of power partition state, make the action of above-mentioned PTO electric actuator 2550.
Under the state that above-mentioned PTO drive pattern blocked operation parts 2445 are positioned at independent position, above-mentioned control device 2400 is not to be subject to the impact of the power delivery status of above-mentioned driving system drive path, the mode of operation engaging opening operation parts 2440 with above-mentioned PTO correspondingly switches the mode of the drive state of above-mentioned PTO clutch mechanism 2313, makes the action of above-mentioned PTO electric actuator 2550.
Under the state that above-mentioned PTO drive pattern blocked operation parts 2445 are positioned at lifting interlock position, above-mentioned control device 2400 correspondingly switches the mode of the drive state of above-mentioned PTO clutch mechanism 2313 with the mode of operation engaging opening operation parts 2440 with above-mentioned PTO, make the action of above-mentioned PTO electric actuator 2550, if and risen to the lifting position of regulation by above-mentioned hydraulicefficiency elevation structure 2275 with above-mentioned working rig 2010, the impact of the mode of operation of opening operation parts 2440 is not then engaged by above-mentioned PTO, above-mentioned PTO clutch mechanism 2313 is forcibly made to become the mode of power partition state, make the action of above-mentioned PTO electric actuator 2550.
Then, the working rig ability of posture control structure in above-mentioned control device 2400 is described.
As shown in figure 18, above-mentioned working truck 2001 possesses for making above-mentioned working rig 2010 be elevated to the above-mentioned working rig elevating lever 2450 of arbitrary height, the working rig descending operation side senser 2451 detecting the mode of operation of above-mentioned working rig elevating lever 2450, above-mentioned hydraulicefficiency elevation structure 2275, above-mentioned electromagnetism lift valve 2560 and the working rig lifting action side senser 2561 of height detecting above-mentioned working rig 2010.
Above-mentioned control device 2400 is positioned at and the mode to height corresponding to the manual operation of above-mentioned working rig elevating lever 2450 with above-mentioned working rig 2010, according to the signal from above-mentioned working rig descending operation side senser 2451 and above-mentioned working rig lifting action side senser 2561, carry out the action control of above-mentioned electromagnetism lift valve 2560.
In addition, above-mentioned working rig lifting action side senser 2561 can make the sensor of the operating state (such as, the pendulum angle around above-mentioned rotation axis 278 of above-mentioned lift arm 2278L, 2278R) detecting above-mentioned hydraulicefficiency elevation structure 2275.
Above-mentioned working truck 2001 also possesses: comprise for making above-mentioned working rig 2010 rise and dropping to the above-mentioned working rig direction switch 2460 of the lifting position of regulation and the rising switch 2460U of down position and decline switch 2460D, set the lifting position set parts 2455 of above-mentioned lifting position, detect the lifting position sensor 2456 of the mode of operation of above-mentioned lifting position set parts 2455, set the down position set parts 2458 of above-mentioned down position, with the down position sensor of the mode of operation of the above-mentioned down position set parts 2458 of detection.
If above-mentioned rising switch 2460U is operated, then above-mentioned control device 2400 rises to the mode of the lifting position set by above-mentioned lifting position set parts 2455 with above-mentioned working rig 2010, according to the signal from above-mentioned lifting position sensor 2456 and above-mentioned working rig lifting action side senser 2561, carry out the action control of above-mentioned electromagnetism lift valve 2560.
Equally, if above-mentioned decline switch 2460D is operated, then above-mentioned control device 2400 drops to the mode of the down position set by above-mentioned down position set parts 2458 with above-mentioned working rig 2010, according to the signal from above-mentioned down position sensor and above-mentioned working rig lifting action side senser 2561, carry out the action control of above-mentioned electromagnetism lift valve 2560.
In addition, in the present embodiment, above-mentioned working rig elevating lever 2450 is configured to also play a role as above-mentioned down position set parts 2458.
Therefore, above-mentioned working rig descending operation side senser 2451 is also used as above-mentioned down position sensor.
Have again, above-mentioned working truck 2001 has decline rate change of location set parts 2465 and detects the decline rate change of location fore side sensor 2466 of mode of operation of above-mentioned decline rate change of location set parts 2465, and above-mentioned decline rate change of location set parts 2465 sets the height changed decline rate when making above-mentioned working rig 2010 decline.
Above-mentioned control device 2400 is with when correspondingly making above-mentioned working rig 2010 decline to the manual operation of above-mentioned working rig elevating lever 2450 or above-mentioned decline switch 2460D, above-mentioned working rig 2010 drops to the height set by above-mentioned decline rate change of location set parts 2465 with base speed, and above-mentioned working rig 2010 is in the region lower than above-mentioned height, drop to the mode of the down position of target with the speed lower than above-mentioned base speed, carry out the action control of above-mentioned electromagnetism lift valve 2560.
Above-mentioned working truck 2001 also possesses above-mentioned working rig tilt operation parts 2470, detect the working rig tilt operation side senser 2471 of the mode of operation of above-mentioned working rig tilt operation parts 2470, hydraulic tilt mechanism 2280, above-mentioned inclination solenoid valve 2565 and detect the slant angle sensor 2566 at pitch angle of above-mentioned working rig 2010.
In the present embodiment, above-mentioned working rig tilt operation parts 2470 have the inclination set parts 2470a at the left and right directions pitch angle relative to vehicle main frame of the above-mentioned working rig 2010 of setting, to the wing drop adjustment modes alternative pack 2470b that the wing drop adjustment modes being automatically adjusted to the pitch angle set by above-mentioned inclination set parts 2470a relative to the left and right directions pitch angle of vehicle main frame of above-mentioned working rig 2010 is selected, with for the manual tilt operation parts 2470c at random changed relative to the left and right directions pitch angle of vehicle main frame by above-mentioned working rig 2010.
Therefore, above-mentioned working rig tilt operation side senser 2471 comprises the manual tilt operation side senser 2471c of the wing drop fore side sensor 2471a of the mode of operation detecting above-mentioned inclination set parts 2470a and the mode of operation of the above-mentioned manual tilt operation parts 2470c of detection.
If above-mentioned wing drop adjustment modes is selected, then above-mentioned control device 2400 becomes the mode at the pitch angle set by above-mentioned inclination set parts 2470a with the left and right directions pitch angle of above-mentioned working rig 2010, according to the signal from above-mentioned wing drop fore side sensor 2471a and above-mentioned slant angle sensor 2566, carry out the action control of above-mentioned inclination solenoid valve 2565.
On the other hand, if above-mentioned manual tilt operation parts 2470c is operated, then above-mentioned control device 2400 becomes the mode at the pitch angle set by above-mentioned manual tilt operation parts 2470c with the left and right directions pitch angle of above-mentioned working rig 2010, according to the signal from above-mentioned manual tilt operation side senser 2471c and above-mentioned slant angle sensor 2566, carry out the action control of above-mentioned inclination solenoid valve 2565.
When using tillage device as above-mentioned working rig 2010, above-mentioned working truck 2001 can also possess the setting above-mentioned tillage device ploughing and weeding degree of depth of carrying out ploughing and weeding depth-set parts 2480, detect the mode of operation of above-mentioned ploughing and weeding depth-set parts 2480 ploughing and weeding deep operations side senser 2481, change the ploughing and weeding degree of depth electric actuator 2580 of the ploughing and weeding degree of depth of above-mentioned tillage device and detect the ploughing and weeding depth motion side senser 2581 of the ploughing and weeding degree of depth of above-mentioned tillage device.
Here, the armrest unit 2600 that above-mentioned working truck 2001 possesses is described.
Figure 19 represents the cross-sectional plan view along near the driver's seat 2050 of the XIX-XIX line in Figure 15.
As shown in figure 19, above-mentioned armrest unit 2600 is disposed in a side of the driver's seat 2050 in above-mentioned working truck 2001.
Figure 20 be represent the state having pulled down above-mentioned driver's seat 2050 above-mentioned armrest unit 2600 near stereographic map.
As shown in figure 20, in above-mentioned working truck 2001, with across the mode on base plate part 2060 and above-mentioned mud guard 2055, rod guide 2065 is set, above-mentioned base plate part 2060 above-mentioned driver's seat 2050 and be configured in above-mentioned driver's seat 2050 side mud guard 2055 between extend.
And above-mentioned armrest unit 2600 is configured in above compared with above-mentioned rod guide 2065 at the body Width middle part of above-mentioned rod guide 2065.
Figure 21 be represent the state of having removed above-mentioned rod guide 2065 above-mentioned armrest unit 2600 near side view.
As shown in Figure 20 and Figure 21, in above-mentioned working truck 2001, bracket 2080 is straightened on the above-mentioned base plate part 2060 that is arranged between above-mentioned driver's seat 2050 and above-mentioned mud guard 2055, and above-mentioned armrest unit 2600 is supported on above-mentioned bracket 2080 in the mode be positioned at above compared with above-mentioned rod guide 2065 at the body Width middle part of above-mentioned rod guide 2065.
Figure 22 ~ Figure 25 represents the body Width inward side view of above-mentioned armrest unit 2600 and above-mentioned bracket 2080, body Width outward side view, body Width foreign side's stereographic map and vertical view respectively.
As shown in Figure 22 ~ Figure 25, above-mentioned armrest unit 2600 possesses the side being configured in above-mentioned driver's seat 2050, and is formed with the casing 2610 in handrail region 2601 at upper surface and is supported on functional unit on above-mentioned casing 2610 (call handrail in the following text and install functional unit).
Above-mentioned casing 2610, as shown in Figure 22, Figure 23 and Figure 25, has the armrest part 2610A being formed with above-mentioned handrail region 2601 at upper surface and the front extension 2610B forwards extended from above-mentioned armrest part 2610A.
Figure 26 is the decomposition side view representing above-mentioned armrest unit 2600 and above-mentioned bracket 2080 viewed from body Width inward side.
As shown in figure 26, above-mentioned casing 2610 has the frame 2611 be supported on above-mentioned bracket 2080 and the cover 2612 be arranged in above-mentioned frame 2611.
Above-mentioned cover 2612 comprises and covers the above-mentioned top of frame 2611 and first of below and the second cover 2613,2614 respectively.
As shown in Figure 20 ~ Figure 25 etc., above-mentioned handrail is installed functional unit and is comprised above-mentioned variable-speed operation parts 2410 and above-mentioned PTO engages opening operation parts 2440.
In addition, as mentioned above, in the present embodiment, above-mentioned variable-speed operation parts 4210 comprises above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b.
Above-mentioned variable-speed operation parts 2410 and above-mentioned PTO engage opening operation parts 2440 and extend using the leading section played a role as operating portion to the foreign side of above-mentioned casing 2610, and the state that above-mentioned variable-speed operation parts 2410 is positioned at the front compared with engaging opening operation parts 2440 with above-mentioned PTO is supported on above-mentioned front extension 2610B.
In addition, in the respective leading section of above-mentioned main variable-speed operation parts 2410a, above-mentioned speed adjustment component 2410b and above-mentioned PTO joint opening operation parts 2440, operation lid is installed.
According to the above-mentioned armrest unit 2600 of this structure, following effect can be obtained.
That is, in above-mentioned armrest unit 2600, the above-mentioned variable-speed operation parts 2410 that usage frequency is high be configured in engage opening operation parts 2440 with above-mentioned PTO compared with the front side that leaves from above-mentioned handrail region 2601.
Therefore, manipulator can operate above-mentioned variable-speed operation parts 2410 easily under state elbow being placed on above-mentioned handrail region 2601.
Further, in above-mentioned armrest unit 2600, above-mentioned PTO engages opening operation parts 2440 and is configured between above-mentioned variable-speed operation parts 2410 and above-mentioned handrail region 2601 relative to vehicle fore-and-aft direction.
According to this structure, the operability engaging opening operation parts 2440 with the basic operation posture of the manipulator above-mentioned PTO that is benchmark can be improved.
Describe in detail, when the driveaway operation of working truck 2001, mobility operation time, manipulator takes one side to operate above-mentioned turning member 2485 with a hand (such as left hand), adjust the direct of travel of above-mentioned working truck 2001, one side another hand (such as the right hand) operates above-mentioned variable-speed operation parts 2410, adjusts the basic operation posture of the speed of a motor vehicle of above-mentioned working truck 2001.
When starting the operation undertaken by above-mentioned working rig 2010, the driving that manipulator carries out above-mentioned working rig 2010 by above-mentioned PTO joint opening operation parts 2440 starts operation, then, enter above-mentioned basic operation posture, above-mentioned working truck 2001 is started to walk.
In addition, in one side, above-mentioned working rig 2010 is driven, when the operation that one side makes above-mentioned working truck 2001 travel travels, when above-mentioned working truck 2001 is too close to cloaca, barrier etc., manipulator, for making above-mentioned working rig 2010 emergent stopping, needs the operation being undertaken making the driving of above-mentioned working rig 2010 to stop by above-mentioned PTO joint opening operation parts 2440.
Therefore, wish that above-mentioned PTO engages opening operation parts 2440 and is arranged on above-mentioned basic operation posture for benchmark, maneuverable position.
On this point, in the present embodiment, as mentioned above, above-mentioned PTO engages opening operation parts 2440 to be supported on above-mentioned front extension 2610B relative to the mode of vehicle fore-and-aft direction between above-mentioned variable-speed operation parts 2410 and above-mentioned handrail region 2601.
Therefore, it is possible to raising engages the operability of opening operation parts 2440 with the above-mentioned PTO that above-mentioned basic operation posture is benchmark.
Have again, above-mentioned armrest unit 2600 in order to seek the operability of the above-mentioned PTO joint opening operation parts 2440 that raising is benchmark with above-mentioned basic operation posture, and prevents the hand of manipulator from against one's will touching above-mentioned PTO joint opening operation parts 2440 and possessing following structure effectively.
As shown in Figure 22, Figure 23 and Figure 25, above-mentioned front extension 2610B has the above-mentioned PTO of support and engages the base end side part 2610C of opening operation parts 2440 and forwards extend from above-mentioned base end side part 2610C and support the front part 2610D of above-mentioned variable-speed operation parts 2410.
Above-mentioned PTO is supported on above-mentioned base end side part 2610C under engaging the state that opening operation parts 2440 extend upward in aforesaid operations portion.
Figure 27 is the vertical profile front elevation of the above-mentioned armrest unit 2600 represented along the XXVII-XXVII line in Figure 22.
As shown in Figure 22, Figure 25 and Figure 27, the above-mentioned PTO in the upper surface of above-mentioned base end side part 2610C engages the region 2610C(1 residing for aforesaid operations portion of opening operation parts 2440) mode of below that is positioned at compared with the upper surface in above-mentioned handrail region 2601 of the upper end (upper end of aforesaid operations lid) that engages the aforesaid operations portion of opening operation parts 2440 with above-mentioned PTO is configured in below compared with above-mentioned handrail region 2601.
According to this structure, raising engages opening operation parts 2440 operability with the above-mentioned PTO that above-mentioned basic operation posture is benchmark can be sought, and effectively prevent the hand of manipulator from against one's will touching above-mentioned PTO joint opening operation parts 2440.
Have again, as shown in Figure 25 and Figure 27 etc., the upper surface of above-mentioned base end side part 2610C has the above-mentioned zone 2610C(1 residing for aforesaid operations portion engaging opening operation parts 2440 at above-mentioned PTO) above-mentioned driver's seat 2050 side direction above the wall region 2610C(2 that extends).
By arranging above-mentioned wall region 2610C(2), can more effectively prevent above-mentioned PTO from engaging the maloperation of opening operation parts 2440.
Preferred above-mentioned wall region 2610C(2) as shown in Figure 25 etc., arrange throughout the whole region of vehicle fore-and-aft direction of the above-mentioned base end side part 2610C between above-mentioned front part 2610D and above-mentioned armrest part 2610A.
According to this structure, the above-mentioned zone 2610C(1 of general planar) by above-mentioned front part 2610D, above-mentioned wall region 2610C(2) and above-mentioned armrest portion 2610A surround, more effectively can prevent the maloperation above-mentioned PTO being engaged to opening operation parts 2440.
As Figure 22, shown in Figure 23 and Figure 25, the upper surface of above-mentioned front part 2610D (being the upper surface of the part corresponding with above-mentioned front part 2610D in above-mentioned first cover 2613 in present embodiment) has along with low area 2610D(1 after high before be positioned at top from the part whereabouts front adjacent with the upper surface of above-mentioned base end side part 2610C), with above-mentioned before high after low area 2610D(1) the adjacent top area 2610D(2 in leading section) and along with from above-mentioned top area 2610D(2) adjacent part whereabouts front and be positioned at the low early and high after region 2610D(3 of below).
Above-mentioned main variable-speed operation parts 2410a is as shown in Figure 22, Figure 23, Figure 25 and Figure 26, using in the leading section played a role as operating portion from the state that the upper surface of above-mentioned front part 2610D has extended upward, can across above-mentioned top area 2610D(2) high before above-mentioned after low area 2610D(1) and above-mentioned low early and high after region 2610D(3) the mode of rolling to each side, swingingly can be supported on above-mentioned front part 2610D around axis of oscillation.
In the structure shown here, low area 2610D(1 after high before above-mentioned) on, also as shown in Figure 22, Figure 25 and Figure 26 etc., above-mentioned working rig direction switch 2460 is set in the region close to above-mentioned driver's seat 50 compared with the part residing for the aforesaid operations portion of above-mentioned main variable-speed operation parts 2410a.
According to this structure, can improve with the operability of the above-mentioned basic operation posture above-mentioned working rig direction switch 2460 that is benchmark.
As shown in Figure 23 ~ Figure 25 etc., above-mentioned speed adjustment component 2410b, is supported on above-mentioned casing 2610 under the state extended outward with the side of above-mentioned driver's seat 2050 opposition side above-mentioned front part 2610D in the leading section played a role as operating portion.
In detail, as shown in figure 25, above-mentioned base end side part 2610C forwards extends along roughly vehicle fore-and-aft direction from above-mentioned armrest part 2610A when overlooking.
On the other hand, tilt relative to vehicle fore-and-aft direction when above-mentioned front part 2610D is to overlook along with the mode leaving above-mentioned driver's seat 2050 from rear end side whereabouts front.
In the structure shown here, above-mentioned speed adjustment component 2410b, is supported on above-mentioned casing 2610 under the state extended outward with the side of above-mentioned driver's seat 2050 opposition side above-mentioned front part 2610D in the leading section played a role as operating portion.
According to this structure, manipulator can reasonably operate above-mentioned speed adjustment component 2410b under state elbow being placed on above-mentioned handrail region 2601.
Figure 28 is the exploded perspective view representing above-mentioned armrest unit 2600 and above-mentioned bracket 2080 viewed from body Width outward side.
Further, Figure 29 is the exploded perspective view representing above-mentioned frame 2611 viewed from vehicle-width direction foreign side.
As shown in Figure 26, Figure 28 and Figure 29, above-mentioned frame 2611 has the first area 2611(1 corresponding with above-mentioned armrest part 2610A), corresponding with above-mentioned base end side part 2610C second area 2611(2) and the three region 2611(3 corresponding with above-mentioned front part 2610D).
Above-mentioned PTO engages opening operation parts 2440 and is supported on above-mentioned second area 2611(2) on, above-mentioned main variable-speed operation parts 2410a and above-mentioned working rig direction switch 2460 are supported on above-mentioned 3rd region 2611(3) on.
Figure 30 is the vertical view of the above-mentioned front extension 2610B representing the state having pulled down above-mentioned first cover 2613.
In addition, Figure 31 is the upward view of the above-mentioned front extension 2610B representing the state having pulled down above-mentioned second cover 2614.
As shown in Figure 26, Figure 28, Figure 30 and Figure 31, in the present embodiment, above-mentioned speed adjustment component 2410b is by the above-mentioned first and second cover 2613,2614 clamping.
Incidentally, as in present embodiment, when above-mentioned variable-speed operation parts 2410 possesses above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b, can the gear ratio of above-mentioned variable-speed unit 2021 be set trickle.
On the other hand, also there is the situation of the gear ratio operation (that is, speed of a motor vehicle operation) of the trickle above-mentioned variable-speed unit 2021 not needing above-mentioned speed adjustment component 2410b to carry out due to the type of service of above-mentioned working truck 2001 or manipulator.
Under these circumstances, manipulator carries out the speed of a motor vehicle operation of above-mentioned working truck 2001 by means of only above-mentioned main variable-speed operation parts 2410a, if but now against one's will touch above-mentioned speed adjustment component 2410b, even if then above-mentioned main variable-speed operation parts 2410a is operated desired position by manipulator, the output speed of above-mentioned variable-speed unit 2021 also can be unacceptable speed.
Consider this point, adopt following structure in the present embodiment.
Namely, also the above-mentioned armrest unit 2600 played a role as variable speed operation unit is described above, possess can with manual operation correspondingly around the above-mentioned main variable-speed operation parts 2410a that axis of oscillation swings, the above-mentioned speed adjustment component 2410b that correspondingly can be rotated about axis with manual operation, above-mentioned main variable-speed operation parts 2410a can be swingingly supported around axis of oscillation with the state extended outward in the leading section of above-mentioned main transformer speed functional unit 2410a, and can support on the basis of the above-mentioned casing 2610 of above-mentioned speed adjustment component 2410b rotatably about the axis with the state extended outward in the leading section of above-mentioned speed adjustment component 2410b, also possesses the above-mentioned main transformer speed sensor 2415a of the operating position around axis of oscillation detecting above-mentioned main variable-speed operation parts 2410a, sensor 2415b is adjusted with the speed of the operating position around axis detecting above-mentioned speed adjustment component 2410b.
Figure 32 be represent above-mentioned armrest unit 2600 above-mentioned speed adjustment component 2410b near side view.
In addition, in Figure 32, for the ease of understanding, eliminate the diagram of the aforesaid operations lid of the leading section being arranged on above-mentioned speed adjustment component 2410b.
As shown in Figure 23 ~ Figure 25, Figure 28 and Figure 30 ~ Figure 32, what the above-mentioned armrest unit 2600 of this structure also possessed that the operable state that correspondingly makes above-mentioned speed adjustment component 2410b become with the manual operation of the foreign side from above-mentioned casing 2610 can to rotate about the axis maybe can not rotate about the axis can not the lockable mechanism 2620 of mode of operation.
By possessing above-mentioned lockable mechanism 2620, the trickle speed of a motor vehicle operation employing above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b can be carried out, and when not needing the trickle speed of a motor vehicle employing above-mentioned speed adjustment component 2410b to operate, the maloperation to above-mentioned speed adjustment component 2410b can be prevented effectively.
Figure 33 and Figure 34 is the side view near the above-mentioned speed adjustment component 2410b of above-mentioned armrest unit 2600, represents the side view of the state having pulled down above-mentioned first cover 2613 and the state having pulled down above-mentioned second cover 2614 respectively.
Further, Figure 35 and Figure 36 be above-mentioned armrest unit 2600 above-mentioned speed adjustment component 2410b near side view, represent the side view having pulled down the state of the above-mentioned first and second cover both 2613,2614.
In addition, in Figure 33 ~ Figure 36, for the ease of understanding, eliminate the diagram of the aforesaid operations lid of above-mentioned speed adjustment component 2410b.
As shown in Figure 32 ~ Figure 36 etc., above-mentioned lockable mechanism 2620 has: can contact, leave the mode of above-mentioned speed adjustment component 2410b, can be housed in the locking component 2621 of above-mentioned casing 2610 along the direction of the axis vertical take-off with above-mentioned speed adjustment component 2410b under the state of movement; Link with base end part and above-mentioned locking component 2621 and the locking functional unit 2622 that extended to the foreign side of above-mentioned casing 2610 of leading section.
In the present embodiment, as shown in Figure 23, Figure 24 and Figure 32, above-mentioned casing 2610 is formed in the slit 2625 extended with the direction of the axis vertical take-off of above-mentioned speed adjustment component 2410b.
So above-mentioned locking functional unit 2622 is through above-mentioned slit 2625 extension in above-mentioned casing 2610, and accordingly, above-mentioned locking component 2621 can move along the direction of the axis vertical take-off with above-mentioned speed adjustment component 2410b.
Above-mentioned speed adjustment component 2410b, as shown in Figure 33 ~ Figure 36, being positioned at the part of inside of above-mentioned casing 2610, has in outside surface throughout the combined portion 2413 being made into plane plane domain 2413a at least partially around axis predetermined angular.
So, above-mentioned locking component 2621 is configured to can obtain and correspondingly be combined with the above-mentioned plane domain 2413a in above-mentioned combined portion 2413 manual operation of above-mentioned locking functional unit 2622, make above-mentioned speed adjustment component 2410b become the lock position of the lockup state that can not rotate about the axis (see Figure 33 ~ Figure 35) and leave above-mentioned speed adjustment component 2410b, make above-mentioned speed adjustment component 2410b become the releasing position (see Figure 36) of the operable state that can rotate about the axis.
According to this structure, can by simple structure, carry out the trickle speed of a motor vehicle operation employing above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b, and the maloperation to above-mentioned speed adjustment component 2410b when not needing the trickle speed of a motor vehicle employing above-mentioned speed adjustment component 2410b to operate can be prevented effectively.
Preferably as shown in Figure 33 ~ Figure 36, the above-mentioned combined portion 2413 in above-mentioned speed adjustment component 2410b is configured to, and beyond above-mentioned plane domain 2413a, has with axis the outside surface of the arc-shaped being benchmark.
According to this structure, only when above-mentioned speed adjustment component 2410b around axis be positioned at regulation can lock position, above-mentioned locking component 2621 can be positioned at lock position.
That is, must be positioned in a latched condition can lock position around the above-mentioned of axis regulation for above-mentioned speed adjustment component 2410b, accordingly, can seek the stabilization of the variable speed operation only undertaken by above-mentioned main variable-speed operation parts 2410a.
Have again, according to said structure, even if above-mentioned speed adjustment component 2410b from above-mentioned can lock position around a little rotation of axis, also can be positioned at lock position by making above-mentioned locking component 2621, make above-mentioned speed adjustment component 2410b be rotated about axis regulation above-mentioned can lock position.
In addition, the above-mentioned of above-mentioned speed adjustment component 2410b such as can make the maximum speed position of above-mentioned speed adjustment component 2410b in lock position.
In the present embodiment, as shown in figure 36, above-mentioned locking component 2621 has the faying face 2621a towards the direction orthogonal with the moving direction of above-mentioned locking component 2621, be combined with above-mentioned plane domain 2413a by above-mentioned faying face 2621a, make above-mentioned speed adjustment component 2410b become the lockup state that can not rotate about the axis.
Also can substitute this structure, such as, as Figure 37 (a) Suo Shi, be configured to the moving direction of above-mentioned faying face 2621a towards above-mentioned locking component 2621 of above-mentioned locking component 2621.
In addition, also can substitute as the mode shown in present embodiment and Figure 37 (a), by above-mentioned locking component 2621 and the contact of above-mentioned speed adjustment component 2410b face, by the mode of above-mentioned speed adjustment component 2410b locking, with by above-mentioned locking component 2621 and the concavo-convex combination of above-mentioned speed adjustment component 2410b, the mode of above-mentioned speed adjustment component 2410b locking is formed.
As the mode of above-mentioned locking component 2621 and the concavo-convex combination of above-mentioned speed adjustment component 2410b, such as, list the side 2413b forming recess or protuberance in the above-mentioned combined portion 2413 of above-mentioned speed adjustment component 2410b, form the structure of the opposing party 2621b of above-mentioned recess or protuberance at above-mentioned locking component 2621.
In this case, the guiding of the moving direction of above-mentioned locking component 2621 and above-mentioned locking component 2621 can be carried out at lock position and locking (see Figure 37 (b)) of removing position by the slit be formed on above-mentioned casing 2610, or also can carry out the guiding of the moving direction of above-mentioned locking component 2621 and above-mentioned locking component 2621 at lock position and locking (see Figure 37 (c)) of removing position by above-mentioned locking component 2621 being screwed into above-mentioned casing 2610.
In addition, in the present embodiment, be illustrated for the situation above-mentioned lockable mechanism 2620 being applied to above-mentioned armrest unit 2600, but, can certainly be applied to and possess with manual operation correspondingly around the main variable-speed operation parts that axis of oscillation can swing, with manual operation correspondingly around the speed adjustment component that axis can rotate, above-mentioned main variable-speed operation parts swingingly can be supported around axis of oscillation with the state extended outward in the leading section of above-mentioned main transformer speed functional unit, and the state extended outward with the leading section of above-mentioned speed adjustment component can support the casing of above-mentioned speed adjustment component rotationally around axis, detect the main transformer speed sensor of the operating position around axis of oscillation of above-mentioned main variable-speed operation parts, the variable speed operation unit of the various modes of sensor is adjusted with the speed of the operating position around axis detecting above-mentioned speed adjustment component.
Here, to the variable speed operation unit 2700 of lockup state or operable state being switched to be described above-mentioned speed adjustment component 2410b by the structure different from above-mentioned lockable mechanism 2620.
Figure 38 is the longitudinal section representing above-mentioned variable speed operation unit 2700.
In addition, in Figure 38, identical symbol is marked to the parts identical or corresponding with the parts in present embodiment.
In above-mentioned variable speed operation unit 2700, above-mentioned speed change adjustment component 2410b as shown in figure 38, have sensor axis 2710 and can be inserted in outward the operation lid 2720 of the sensor axle main body 2711 from the manually-operated state of foreign side of above-mentioned casing 2610, the sensor axle 2710 comprises and adjusts sensor 2415b by above-mentioned speed and detect around the sensor axis main body 2711 of the operating position of axis and the combination arm 2712 that extends outward from the sensor axle main body 2711 radius vector.
Aforesaid operations lid 2720 as shown in figure 38, there is the end wall 2722 of the axis direction outward side of hollow the perisporium 2721 and above-mentioned perisporium 2721 of blocking extended at axis direction, to be inserted in the state that the force application part 2730 between the sensor axle main body 2711 and above-mentioned end wall 2722 exerts a force to axis direction outward side by folder, relatively can to rotate around axis and the sensor axle main body 2711 can be inserted in outward relatively movably at axis direction.
On above-mentioned perisporium 2721, as shown in figure 38, slit 2723 that above-mentioned combination arm 2712 snaps in and the lockup arm 2724 that radius vector extends outward are set.
Figure 39 represents the end-view along the XXXIX-XXXIX line in Figure 38.
As shown in figure 39, above-mentioned slit 2723 is included in axis direction extension 2723a that axis direction extends and from the axis direction outward side of above-mentioned axis direction extension 2723a to the circumferential direction extension 2723b extended around axis circumferential direction.
According to this structure, aforesaid operations lid 2720 because of the force of above-mentioned force application part 2730 under the state of primary position (solid line see Figure 38) being positioned at axis direction outward side, above-mentioned combination arm 2712 is combined in the axis direction inward side of above-mentioned axis direction extension 723a, and aforesaid operations lid 2720 and the sensor axle main body 2711 can not rotate relatively around axis.
That is, when aforesaid operations lid 2720 is positioned at primary position, the sensor axle main body 2711 correspondingly rotates about the axis with the rotation around axis of aforesaid operations lid 2720.
On the other hand, if the force that aforesaid operations lid 2720 resists above-mentioned force application part 2730 is positioned at the promotion position (chain double-dashed line see Figure 38) of axis direction inward side, then above-mentioned combination arm 2712 is to the axis direction outward side relative movement of above-mentioned axis direction extension 2723a, be positioned at the position that can be combined with above-mentioned circumferential direction extension 2723b, accordingly, aforesaid operations lid 2720, in the scope of above-mentioned combination arm 2712 relative movement in above-mentioned circumferential direction extension 2723b, can rotate around axis relatively relative to the sensor axle main body 2711.
That is, when aforesaid operations lid 2720 is positioned at promotion position, aforesaid operations lid 2720, in the scope of above-mentioned combination arm 2712 relative movement in above-mentioned circumferential direction extension 2723b, can rotate about the axis, and not make the sensor axle main body 2711 rotate about the axis.
Above-mentioned lockup arm 2724 is to be positioned at primary position and to promote position during at aforesaid operations lid 2720, the mode of the foreign side's (solid line see Figure 38) and side (chain double-dashed line see Figure 38) that are positioned at above-mentioned casing 2610 is arranged on above-mentioned perisporium 2721.
In detail, above-mentioned casing 2610 arranges otch 2735.
Figure 40 represents the end-view along the XXXX-XXXX line in Figure 38.
As shown in figure 40, above-mentioned otch 2735 be formed in aforesaid operations lid 2720 be positioned at around axis regulation can lock position time with above-mentioned lockup arm 2724 position in opposite directions, be only positioned at can aforesaid operations lid 2720 allowed to move at axis direction between position and promotion position in the early stage time lock position (see Figure 40 (a)) at aforesaid operations lid 2720.
That is, only when make aforesaid operations lid 2720 be positioned at around axis can lock position, can by aforesaid operations lid 2720 from primary position to promotion position promote, make above-mentioned lockup arm 2724 from foreign side's inwardly just movement of above-mentioned casing 2610.
If the expulsive force of the force by resisting above-mentioned force application part 2730 make to be positioned at can the aforesaid operations lid 2720 of lock position from primary position to after promotion position is moved, aforesaid operations lid 2720 can be rotated about axis in the scope of relative movement in above-mentioned circumferential direction extension 2723b at above-mentioned combination arm 2712, remove above-mentioned expulsive force, then above-mentioned lockup arm 2724 is combined with the inside surface of above-mentioned casing 2610, by the rotation locking around axis of aforesaid operations lid 2720.
In the above-mentioned variable speed operation unit 2700 of this structure, also can carry out the trickle speed of a motor vehicle operation employing above-mentioned main variable-speed operation parts 2410a and above-mentioned speed adjustment component 2410b, and the maloperation to above-mentioned speed adjustment component 2410b when not needing the trickle speed of a motor vehicle employing above-mentioned speed adjustment component 2410b to operate can be prevented effectively.
In addition, aforesaid operations lid 2720 can lock position can be such as the position that the sensor axle main body 2711 can be made around axis to be positioned at maximum speed position.
Preferably as shown in Figure 38 and Figure 40, above-mentioned lockup arm 2724 arranges a side 2725 of recess or protuberance.
And, at the inside surface of above-mentioned casing 2610, be arranged on when aforesaid operations lid 2720 is positioned at lock position (see Figure 40 (b)) of specifying around axis and the recess of the concavo-convex combination of a side of above-mentioned recess or protuberance or the opposing party 2736 of protuberance.
According to this structure, the aforesaid operations lid 2720 being positioned at lock position can be prevented more effectively against one's will to be rotated about axis.
Here, the detent mechanism 2630 for above-mentioned main variable-speed operation parts 2410a is engaging in predetermined operation position is described.
As shown in Figure 28 ~ Figure 31 and Figure 34 ~ Figure 36 etc., above-mentioned armrest unit 2600 possesses the above-mentioned detent mechanism 2630 for above-mentioned main variable-speed operation parts 2410a being remained on the regulation catch positions around above-mentioned axis of oscillation.
Figure 41 represents the cut-open view along the XXXXI-XXXXI line in Figure 28.In addition, the diagram of the aforesaid operations lid of above-mentioned main variable-speed operation parts 2410a is eliminated in Figure 41.
In addition, Figure 42 is the enlarged drawing representing above-mentioned detent mechanism 2630.
As shown in Figure 28 ~ Figure 30 and Figure 41 ~ Figure 42 etc., above-mentioned detent mechanism 2630 possesses ratchet ball 2635, pawl plate 2640 and ratchet force application part 2645.
Above-mentioned ratchet ball 2635 to swing around above-mentioned axis of oscillation together with above-mentioned main variable-speed operation parts 2410a, and can the state of relative movement be supported on above-mentioned main variable-speed operation parts 2410a relative to above-mentioned main variable-speed operation parts 2410a in the direction parallel with above-mentioned axis of oscillation.
In the present embodiment, as shown in Figure 41 and Figure 42 etc., above-mentioned ratchet ball 2635 is supported on the ratchet ball supporter 2650 arranged on above-mentioned main variable-speed operation parts 2410a.
Above-mentioned ratchet ball supporter 2650 extends abreast with first end and above-mentioned pawl plate 2640 state in opposite directions and above-mentioned axis of oscillation, and have at least in the axis hole of above-mentioned first end opening, in above-mentioned axis hole, accommodate above-mentioned ratchet ball 2635 and above-mentioned ratchet force application part 2645.
In detail, above-mentioned ratchet ball 2635 as shown in figure 41, expose from the outward opening side of the above-mentioned first end side in above-mentioned axis hole with the force of above-mentioned ratchet force application part 2645 generation by being housed in above-mentioned axis hole, and the mode that can abut with above-mentioned pawl plate 2640 is housed in above-mentioned axis hole.
In addition, in the present embodiment, above-mentioned main variable-speed operation parts 2410a as shown in figure 42, there is base end part and be relatively rotatably supported on the axis of swing 2665 marking above-mentioned axis of oscillation, and leading section is above-mentioned first cover 2613 through being formed in above-mentioned casing 2610(present embodiment) on slit 2615(see Figure 24 and Figure 25 etc.) the bar portion 2660 of having extended outward.
And above-mentioned ratchet ball supporter 2650 is supported in above-mentioned bar portion 2660 in the mode parallel with above-mentioned axis of oscillation under above-mentioned first end and above-mentioned pawl plate 2640 state in opposite directions.
In detail, above-mentioned bar portion 2660 have base end part the first rod unit 2661, base end part and above-mentioned first rod unit 2661 be supported on rotationally on above-mentioned axis of swing 2665 link and leading section through being formed in above-mentioned slit 2615(on above-mentioned casing 2610 see Figure 24 and Figure 25 etc.) the second rod unit 2662 of having extended outward.
And, above-mentioned ratchet ball supporter 2650 from the coupling position of above-mentioned first rod unit 2661 and above-mentioned second rod unit 2662, with above-mentioned axis of oscillation for benchmark is supported on above-mentioned first rod unit 2661 in radial outward side.
Above-mentioned ratchet force application part 2645 is described above, in the mode exerted a force to above-mentioned pawl plate 2640 by above-mentioned ratchet ball 2635, is housed on above-mentioned ratchet ball supporter 2650.
Specifically, as shown in figure 41, with under the state be fixed in the axis direction position of base end part, leading section and the mode that above-mentioned ratchet ball 2635 is combined, be housed in the above-mentioned axis hole of above-mentioned ratchet ball supporter 2650 to above-mentioned ratchet force application part 2645.
Preferred above-mentioned detent mechanism 2630 possesses adjustably by ratchet adjustment component 2646 fixing for the axis direction position of the base end part of above-mentioned ratchet force application part 2645.
By possessing above-mentioned ratchet adjustment component 2646, the force of above-mentioned ratchet force application part 2645 can be adjusted easily.
In the present embodiment, as shown in figure 40, the above-mentioned axis hole of above-mentioned ratchet supporter 2650 also in above-mentioned ratchet ball supporter 2650 with the second end opening of above-mentioned first end opposition side.
And, above-mentioned ratchet adjustment component 2646 is combined in the mode of the base end part of above-mentioned ratchet force application part 2645 with leading section, be inserted into above-mentioned axis hole from the opening of above-mentioned the second end side, and be fixed on while axis direction position can be changed on above-mentioned ratchet ball supporter 2650.
Above-mentioned ratchet adjustment component 2646 such as can for being screwed into the bolt in above-mentioned axis hole from the opening of above-mentioned the second end side.
Above-mentioned pawl plate 2650 is arranged to be fixed throughout the hunting range around above-mentioned axis of oscillation of above-mentioned main variable-speed operation parts 2410a and above-mentioned ratchet ball 2635 mode in opposite directions.
On above-mentioned pawl plate 2640, as shown in Figure 28 and Figure 42 etc., form the multiple ratchet recesses 2641 configured in the circumferential direction for benchmark with above-mentioned axis of oscillation, namely can accept multiple ratchet recesses 2641 of above-mentioned ratchet ball 2635 respectively.
In addition, in the present embodiment, above-mentioned pawl plate 2640 is described above, and support above-mentioned main variable-speed operation parts 2410a through above-mentioned axis of swing 2665, the part also as above-mentioned frame 2611 plays a role.
As shown in figure 41, above-mentioned multiple ratchet recess 2641 with the outside surface opening of above-mentioned ratchet ball 2635 side in opposite directions at above-mentioned pawl plate 2640, and be made into the non-penetrating recess of blocking with the opposition side of above-mentioned ratchet ball 2635, accordingly, the maximization of above-mentioned pawl plate 2640 can not be caused, the catch positions interval of above-mentioned main variable-speed operation parts 2410a can be made to become narrow.
That is, in detent mechanism in the past, multiple ratchet recesses are made into the through hole of through pawl plate.
When above-mentioned multiple ratchet recess is made into through hole, viewpoint intensity and on manufacturing, the interval of above-mentioned multiple ratchet recess can not be made to become narrow, its result is, the catch positions spacing around axis of oscillation of the functional unit marked by above-mentioned multiple ratchet recess can not be become narrow.
In addition, if the radial distance of above-mentioned multiple ratchet recesses that increase is benchmark with above-mentioned axis of oscillation, the catch positions spacing of aforesaid operations parts then can be made to become narrow, and the interval of above-mentioned multiple ratchet recess can not be made narrow more than necessity, but, if according to this structure, then cause the maximization of above-mentioned pawl plate.
On the other hand, in the present embodiment, as mentioned above, above-mentioned multiple ratchet recess 2641 is made into non-through hole.
Therefore, it is possible to make the catch positions spacing of above-mentioned main variable-speed operation parts 2410a become narrow as far as possible, and the maximization of above-mentioned pawl plate 2640 can not be caused.
Preferred above-mentioned pawl plate 2640 can be configured to, and to be provided with the state of above-mentioned armrest unit 2600 for reference vehicular, or the open end of above-mentioned ratchet recess 2641 down.
According to this structure, the impurity such as rainwater, dust can be effectively prevented to be trapped in above-mentioned ratchet recess 2641.
Figure 43 is the vertical profile front perspective view of the above-mentioned front extension 2610B representing above-mentioned armrest unit 2600.In addition, in Figure 43, for the ease of understanding, eliminate the diagram of the operation lid of above-mentioned main variable-speed operation parts 2410a.
As mentioned above, extend to the foreign side of above-mentioned casing 2610 through being formed in the above-mentioned slit 2615 on above-mentioned casing 2610 in the leading section of above-mentioned main variable-speed operation parts 2410a.
In the present embodiment, as shown in figure 43, above-mentioned slit 2615 is formed on following position: with above-mentioned ratchet ball 2635(see Figure 41) position relative to above-mentioned axis of oscillation direction displacement compared with the position that is connected to above-mentioned pawl plate 2640.
According to this structure, effectively can prevent the impurity such as water, dust entered in above-mentioned casing 2610 through above-mentioned slit 2615 from entering above-mentioned ratchet recess 641, and then enter in above-mentioned ratchet ball supporter 2650 from the opening of above-mentioned ratchet recess 2641 through above-mentioned first end.
Figure 44 is the longitudinal cross-sectional side view of the above-mentioned armrest unit 2600 represented along above-mentioned slit 2615.In addition, in Figure 44, for the ease of understanding, eliminate the diagram of the above-mentioned main transformer speed sensor 2415a shown in Figure 43 etc.
As shown in Figure 43 and Figure 44, in the present embodiment, the part of the above-mentioned slit of formation 2615 in above-mentioned casing 2610 with the above-mentioned axis of oscillation radial inner end 2616 that is benchmark and above-mentioned pawl plate 2640 with compared with the above-mentioned axis of oscillation its radially outer end that is benchmark, with above-mentioned axis of oscillation for benchmark is positioned at inwardly side, footpath.
According to this structure, more effectively can prevent the impurity such as water, dust entered in above-mentioned casing 2610 through above-mentioned slit 2615 from entering above-mentioned ratchet recess 2641, and then enter in above-mentioned ratchet ball supporter 2650 from the opening of above-mentioned ratchet recess 2641 through above-mentioned first end.
Preferably as shown in Figure 23 and Figure 28, dewatering orifice 2614a can be set at the diapire of above-mentioned second cover 2614.By arranging above-mentioned dewatering orifice 2614a, can discharge entering through above-mentioned slit 2615 foreign side of the water in above-mentioned casing 2610 to above-mentioned casing 2610.
In addition, in the present embodiment, as shown in figure 43, above-mentioned first cover 2613 of above-mentioned casing 2610() relative to the axis direction of above-mentioned axis of oscillation, there is body Width middle section 2613C that above-mentioned slit 2615 is positioned at, be positioned at driver's seat 2050 side side region 2613I and be positioned at the foreign side region 2613O of outward side compared with above-mentioned middle section 2613C compared with above-mentioned middle section 2613C.
Above-mentioned middle section 2613C as shown in figure 43, has a pair outside wall portions 2617a extended substantially in parallel relative to above-mentioned axis of oscillation across above-mentioned slit 2615, a pair flange portion 2617b extended to the direction close to above-mentioned axis of oscillation from the end of the side adjacent with above-mentioned slit 2615 of above-mentioned a pair outside wall portions 2617a.
In the structure shown here, the free end of above-mentioned a pair flange portion 2617b becomes the radial inner end 2616 being benchmark with above-mentioned axis of oscillation of the part forming above-mentioned slit 2615.
In addition, in the present embodiment, as shown in Figure 25 and Figure 43 etc., above-mentioned middle section 2613C is made into the concavity opened upward, accordingly, can effectively prevent the hand of manipulator from against one's will touching the operating portion of above-mentioned main variable-speed operation parts 2410a.
In detail, be above-mentioned first cover 2613 in above-mentioned casing 2610(present embodiment) as shown in Figure 24, Figure 25 and Figure 43 etc., there is the madial wall region 2618 bloated upward between above-mentioned middle section 2613C and above-mentioned interior side region 2613I, the lateral wall region 2619 bloated upward between above-mentioned middle section 2613C and above-mentioned foreign side region 2613O, by above-mentioned madial wall region 2618 and above-mentioned lateral wall region 2619 across above-mentioned middle section 2613C be made into the concavity opened upward.
Preferably as shown in figure 43, above-mentioned madial wall region 2618 can be made to bloat higher than above-mentioned lateral wall region 2619, make above-mentioned pawl plate 2640 be positioned at the position identical with above-mentioned madial wall region 2618 relative to the axis direction of above-mentioned axis of oscillation.
According to this structure, above-mentioned pawl plate 2640 can be increased as best one can, and the maximization of above-mentioned casing 2610 can not be caused.
In the present embodiment, in order to seek the facilitation of the adjustment operation that the force of above-mentioned ratchet adjustment component 2646 to above-mentioned ratchet force application part 2645 is carried out, following structure is also possessed.
As mentioned above, above-mentioned casing 2610 possesses in the frame 2611(present embodiment supporting above-mentioned axis of swing also as the above-mentioned pawl plate 2640 that a part for above-mentioned frame 2611 plays a role), the above-mentioned cover 2612 in above-mentioned frame 2061 is arranged on removably in the mode forming the receiving space of accommodating above-mentioned detent mechanism 2630, above-mentioned cover 2612 has the first cover 2613 being provided with above-mentioned slit 2615, with to be arranged on above-mentioned frame 2611 and/or above-mentioned first removably and to cover second on 2613 with the above-mentioned first 2613 cooperate modes of marking above-mentioned receiving space of covering and cover 2614.
Figure 45 is the enlarged side view of the above-mentioned armrest unit 2600 representing the state having pulled down above-mentioned second cover 2614.
Be configured to as shown in figure 45, at least above-mentioned main variable-speed operation parts 2410a be arranged in around above-mentioned axis of oscillation can opereating specification the end around above-mentioned axis of oscillation one side side state under, the above-mentioned the second end of above-mentioned ratchet ball supporter 2650 is positioned at above-mentioned second cover 2614.
According to this structure, only above-mentioned second cover 2614 is pulled down, near above-mentioned ratchet adjustment component 2646, can seek the facilitation of the adjustment operation of above-mentioned ratchet adjustment component 2646.
In addition, in the present embodiment, the situation possessing above-mentioned detent mechanism 2630 for above-mentioned armrest unit 2600 is illustrated, but above-mentioned detent mechanism 2630 also can be applied to the various operating units possessing the functional unit that correspondingly can swing around axis of oscillation with manual operation.
Here, the above-mentioned bracket 2080 supporting above-mentioned armrest unit 2600 is described.
As shown in Figure 22 ~ Figure 24 and Figure 26 etc., above-mentioned bracket 2080 have be fastened on above-mentioned base plate part 2060(see Figure 19 ~ Figure 21 etc. through consolidation parts such as bolts) on bed frame 2081, the first installing plate 2082 being attached at the upper end side of above-mentioned bed frame 2081 and the second installing plate 2083 be attached on above-mentioned first installing plate 2082.
Above-mentioned bed frame 2081 is as shown in Figure 22 and Figure 26 etc., and the support component also as above-mentioned working rig elevating lever 2450 plays a role.
In detail, above-mentioned working rig elevating lever 2450, in the mode can rotated around the rotation axis along body Width between above-mentioned driver's seat 2050 and above-mentioned mud guard 2055, is supported on above-mentioned bed frame 2081 through the 3rd installing plate 2084.
Figure 46 represents the side view near above-mentioned armrest unit 2600.
As shown in Figure 20, Figure 26 and Figure 46, under the state that above-mentioned rod guide 2065 has extended upward in upper end, above-mentioned working rig elevating lever 2450 is allowed to rotate around above-mentioned rotation axis, and allow the following first overlapping region 2082a of above-mentioned first installing plate 2082 to extend upward, and round above-mentioned bracket 2080.
In addition, as shown in Figure 20 and Figure 46 etc., the body Width outward side compared with above-mentioned armrest unit 2600 in above-mentioned rod guide 2065 arranges operation board unit 2070.
Figure 47 is the diagrammatic top view representing aforesaid operations dish unit 2070.
As shown in Figure 20, Figure 46 and Figure 47 etc., on aforesaid operations dish unit 2070, along vehicle fore-and-aft direction, configure above-mentioned ploughing and weeding depth-set parts 2480, above-mentioned wing drop set parts 2470a, above-mentioned working rig lifting position set parts 2455, decline rate change of location set parts 2465 and above-mentioned manual tilt operation parts 2470c successively.
Above-mentioned wing drop set parts 2470a, above-mentioned working rig lifting position set parts 2455 and decline rate change of location set parts 2465 are covered by cover 2071 to be opened/closed.
In addition, as shown in Figure 20 and Figure 46 etc., the rear side of the above-mentioned armrest unit 2600 in above-mentioned rod guide 2065 configures above-mentioned PTO blocked operation parts 2445.
Figure 48 is the exploded perspective view representing above-mentioned bracket 2080.
As shown in Figure 26 and Figure 48 etc., above-mentioned first installing plate 2082 has flat first overlapping region 2082a, to be fastened on above-mentioned bed frame 2081 in the mode that vehicle fore-and-aft direction extends along the state in substantially vertical direction at above-mentioned first overlapping region 2082a.
Above-mentioned second installing plate 2083 is linked to above-mentioned first installing plate 2082 removably under the state of above-mentioned frame 2611 supporting the above-mentioned casing 2610 in above-mentioned armrest unit 2600.
In addition, in the present embodiment, the above-mentioned frame 2611 of above-mentioned armrest unit 2600 can be supported on above-mentioned second installing plate 2083 around the rotation axis 2611a along vehicle-width direction in rear end side with carrying out position adjustment.
Above-mentioned second installing plate 2083 as shown in figure 46, has the flat second overlapping region 2083a overlapped with above-mentioned first overlapping region 2082a.
That is, above-mentioned second installing plate 2083 overlaps under the state of above-mentioned first overlapping region 2082a with above-mentioned second overlapping region 2083a, is linked to removably on above-mentioned first installing plate 2082 through the first and second consolidation parts 2091,2092.
In the present embodiment, above-mentioned second installing plate 2083 can carry out the adjustment of vehicle fore-and-aft direction position relative to above-mentioned first installing plate 2082 and be fixed with can carrying out setting angle adjustment.
In detail, as shown in figure 48, the elongated hole 2082b along vehicle fore-and-aft direction is formed at above-mentioned first overlapping region 2082a.
On the other hand, front and back position adjustment mounting hole 2083b is formed at above-mentioned second overlapping region 2083a.
And the above-mentioned first and second installing plate 2082,2083 links through being inserted through the above-mentioned first consolidation parts 2091 such as the such as bolt of above-mentioned elongated hole 2082b and above-mentioned front and back position adjustment mounting hole 2083b.
According to this structure, can relative to above-mentioned elongated hole 2082b in the scope of vehicle fore-and-aft direction relative movement at above-mentioned front and back position adjustment mounting hole 2083b, above-mentioned second installing plate 2083 can carry out the adjustment of fore-and-aft direction position relative to above-mentioned first installing plate 2082.
As shown in figure 48, also form multiple first plate side angular setting mounting hole at above-mentioned first overlapping region 2082a, form multiple second plate side angular setting mounting hole at above-mentioned second overlapping region 2083a.
Above-mentioned second plate side angular setting mounting hole comprises the second plate side angular setting the first mounting hole A1 circumferentially that the radius that is positioned at centered by above-mentioned front and back position adjustment mounting hole 2083b is R1 and to be positioned at centered by above-mentioned front and back position adjustment mounting hole 2083b and the second plate side angular setting second mounting hole A2 circumferentially of the little R2 of radius ratio R1.
On the other hand, above-mentioned first plate side angular setting mounting hole comprises the first plate side first mounting hole group 2085(1), first plate side second mounting hole group 2085(2) and the first plate side the 3rd mounting hole group 2085(3), described first plate side first mounting hole group 2085(1) be included in multiple mounting hole B1 that can use when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the first installation site, B2, described first plate side second mounting hole group 2085(2) be included in multiple mounting hole B3 that can use when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the second installation site, B4, described first plate side the 3rd mounting hole group 2085(3) be included in multiple mounting hole B5 that can use when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the 3rd installation site, B6.
In addition, in present embodiment, fore-and-aft direction the first ~ three installation site of above-mentioned second installing plate 2083 represent respectively above-mentioned front and back position adjustment mounting hole 2083b be positioned at the front side of above-mentioned elongated hole 2082b, central authorities and rear side time the fore-and-aft direction installation site of above-mentioned second installing plate 2083.
In present embodiment, because situation about being fixed at these three positions, above-mentioned first ~ three installation site for above-mentioned second installing plate 2083 is described, so, above-mentioned first plate side angular setting mounting hole B1 ~ B7 comprises the above-mentioned first ~ three these three the first plate side mounting hole group 2085(1) ~ 2085(3), but the number of the first plate side mounting hole group can set certainly rightly.
That is, the fore-and-aft direction position of above-mentioned second installing plate 2083 can infinitely adjust.
Therefore, the number of above-mentioned first plate side mounting hole group can correspondingly be determined with the number of the fore-and-aft direction position be fixed above-mentioned second installing plate 2083.
Above-mentioned first plate side first mounting hole group 2085(1) multiple mounting hole B1, B2 be configured to when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the first installation site, be positioned at radius centered by the point residing for above-mentioned front and back position adjustment mounting hole 2083b for R1 circumferentially.
Above-mentioned first plate side second mounting hole group 2085(2) multiple mounting hole B3, B4 be configured to when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the second installation site, be positioned at radius centered by the point residing for above-mentioned front and back position adjustment mounting hole 2083b for R1 circumferentially.
Have again, above-mentioned first plate side second mounting hole group 2085(2) in a mounting hole B4 when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the first installation site, be positioned at radius centered by the point residing for above-mentioned front and back position adjustment mounting hole 2083b for R2 circumferentially.
Above-mentioned first plate side the 3rd mounting hole group 2085(3) multiple mounting hole B5, B6 be configured to when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the 3rd installation site, be positioned at radius centered by the point residing for above-mentioned front and back position adjustment mounting hole 2083b for R1 circumferentially.
Have again, above-mentioned first plate side the 3rd mounting hole group 2085(3) in a mounting hole B6 be configured to when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the second installation site, be positioned at radius centered by the point residing for above-mentioned front and back position adjustment mounting hole 2083b for R2 circumferentially.
Have again, above-mentioned first plate side angular setting mounting hole as shown in figure 48, have formed above-mentioned first plate side the first ~ three mounting hole group 2085(1) ~ 2085(3) and mounting hole B1 ~ B6 basis on, also there is the first plate side and add mounting hole B7, described first plate side adds mounting hole B7 when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the 3rd installation site, be positioned at radius centered by the point residing for above-mentioned front and back position adjustment mounting hole 2083b for R2 circumferentially.
According to this structure, can reduce the number of the above-mentioned first and second plate side angular setting mounting hole, and above-mentioned second installing plate 2083 is fixed on above-mentioned first installing plate 2082 with different three angles to the first ~ three installation site by rear at least in each of front.
In the present embodiment, as mentioned above, above-mentioned first plate side first mounting hole group 2085(1) comprise two mounting holes B1, B2, above-mentioned first plate side second mounting hole group 2085(2) comprise two mounting holes B3, B4, above-mentioned first plate side the 3rd mounting hole group 2085(3) comprise two mounting holes B5, B6, further, above-mentioned first plate side adds mounting hole and comprises a mounting hole B7.And the second plate side angular setting mounting hole comprises two mounting holes A1, A2.
Namely, in the present embodiment, add up to formation nine the above-mentioned first and second plate side angular setting mounting holes, can these nine mounting holes be passed through, obtain comprising the mounting position of total 11 styles of three kinds of respective mounting positions when above-mentioned second installing plate 2083 is positioned at fore-and-aft direction the first ~ three installation site.
Specifically, under the state making above-mentioned second installing plate 2083 be positioned at fore-and-aft direction first installation site, use the combination of above-mentioned mounting hole A1, B1, the combination of above-mentioned mounting hole A1, B2 and the combination of above-mentioned mounting hole A2, B4, such as, by above-mentioned second consolidation parts 2092 consolidation above-mentioned first and second installing plate 2082,2083 becoming handle screw mode, accordingly, posture, front reduction posture and flat-hand position can be raised before fore-and-aft direction first installation site and fix above-mentioned second installing plate 2083.
In addition, under the state making above-mentioned second installing plate 2083 be positioned at fore-and-aft direction second installation site, use the combination of above-mentioned mounting hole A1, B3, the combination of above-mentioned mounting hole A1, B4 and the combination of above-mentioned mounting hole A2, B6, by above-mentioned second consolidation parts 2092 consolidation above-mentioned first and second installing plate 2082,2083, accordingly, posture, front reduction posture and flat-hand position can be raised before fore-and-aft direction second installation site and fix above-mentioned second installing plate 2083.
Have again, under the state making above-mentioned second installing plate 2083 be positioned at fore-and-aft direction the 3rd installation site, use the combination of above-mentioned mounting hole A1, B5, the combination of above-mentioned mounting hole A1, B6 and the combination of above-mentioned mounting hole A2, B7, by above-mentioned second consolidation parts 2092 consolidation above-mentioned first and second installing plate 2082,2083, accordingly, posture, front reduction posture and flat-hand position can be raised before fore-and-aft direction the 3rd installation site and fix above-mentioned second installing plate 2083.
Have again, in the present embodiment, make under the state of above-mentioned second installing plate 2083 between fore-and-aft direction first and the second place, use above-mentioned mounting hole A2, the combination of B3, by above-mentioned second consolidation parts 2092 consolidation above-mentioned first and second installing plate 2082, 2083, accordingly, can between fore-and-aft direction first and the second place before raise posture fix above-mentioned second installing plate 2083, under the state making above-mentioned second installing plate 2083 between fore-and-aft direction second and the 3rd position, use above-mentioned mounting hole A2, the combination of B5, by above-mentioned second consolidation parts 2092 consolidation above-mentioned first and second installing plate 2082, 2083, accordingly, can between fore-and-aft direction second and the 3rd position before raise posture fix above-mentioned second installing plate 2083.
Symbol description
1: working truck; 10: working rig; 51: variable-speed unit; 61:PTO axle; 71: driving system functional unit; 711: variable-speed operation parts; 7111: operating axis; 7112: rotating operation portion; 712: most high speed set parts; 7122: arm; 7121: axis of swing; 7123: swinging operation portion; 72: working rig elevating lever (functional unit); 721: the rotation axis of working rig elevating lever; 73: work posture set parts (functional unit); 731: working rig inclination set parts; 76:PTO Dynamic System parts; 761:PTO output function parts; 91: mud guard; 92: driver's seat; 93: handrail; 931: armrest body; 9311: middle section; 9312: transition region; 932: bracket; 933: installing plate; 934: front extension; 9341: protection portion; A3: the imaginary plane in middle section; A4: imaginary vertical plane; A5: imaginary horizontal plane; 94: base plate part; 97: rod guide; 2001: working truck; 2010: working rig; 2050: driver's seat; 2410a: main variable-speed operation parts; 2410b: speed adjustment component; 2440:PTO engages opening operation parts; 2460: working rig direction switch; 2600: armrest unit; 2601: handrail region; 2610: casing; 2610A: armrest part; 2610B: front extension; 2610C: base end side part; 2610C(1): flat site; 2610C(2): wall region; 2610D: front part; 2610D(1): low area after front height; 2610D(2): top area; 2610D(3): low early and high after region.
Claims (3)
1. an armrest unit, it is the armrest unit being applied to the working truck being attached to working rig, this armrest unit possesses the side of the driver's seat being configured in above-mentioned working truck and is formed with the casing in handrail region and the functional unit be supported on above-mentioned casing at upper surface, it is characterized in that
Above-mentioned casing have upper surface be formed above-mentioned handrail region armrest part and from the front extension that above-mentioned armrest part forwards extends,
The PTO joint opening operation parts that aforesaid operations parts comprise the variable-speed operation parts for carrying out speed change to the travel speed of above-mentioned working truck and throw off for making the power transmission to above-mentioned working rig combine,
The front part that above-mentioned front extension has base end side part and forwards extends from above-mentioned base end side part,
Above-mentioned PTO engages opening operation parts and is supported by above-mentioned base end side part from the state that the upper surface of above-mentioned base end side part extends outward in the leading section played a role as operating portion,
Above-mentioned variable-speed operation parts is supported by above-mentioned front part from the state that the upper surface of above-mentioned front part extends outward in the leading section played a role as operating portion,
The upper surface of above-mentioned base end side part has: above-mentioned PTO engages the general planar region residing for aforesaid operations portion of opening operation parts, this general planar region is positioned at the mode of the below compared with the upper surface in above-mentioned handrail region with the upper end in the aforesaid operations portion of above-mentioned PTO joint opening operation parts, is configured in the below compared with above-mentioned handrail region; With the wall region that the above-mentioned driver's seat side in above-mentioned general planar region is arranged in the mode extended upward.
2. armrest unit as claimed in claim 1, it is characterized in that, the upper surface of above-mentioned front part have along with low area after high before be positioned at top from the part whereabouts front adjacent with the upper surface of above-mentioned base end side part, with above-mentioned before high after the adjacent top area in the leading section of low area and along with the low early and high after region being positioned at below from the part whereabouts front adjacent with above-mentioned top area
Above-mentioned variable-speed operation parts has the main variable-speed operation parts for making the output speed of variable-speed unit change,
Above-mentioned main variable-speed operation parts using in the leading section played a role as operating portion from the state that the upper surface of above-mentioned front part has extended upward, can across the mode of rolling to each side in above-mentioned top area low area and above-mentioned low early and high after region after high before above-mentioned, above-mentioned front part can be swingingly supported on around axis of oscillation
Low area after high before above-mentioned, arranges working rig direction switch in the part closer to above-mentioned driver's seat compared with the part residing for the aforesaid operations portion of above-mentioned main variable-speed operation parts.
3. armrest unit as claimed in claim 2, is characterized in that, forwards extend during above-mentioned base end side partial top from above-mentioned armrest part along vehicle fore-and-aft direction,
Above-mentioned front part, with along with the mode leaving above-mentioned driver's seat from rear end side whereabouts front, tilts relative to vehicle fore-and-aft direction when overlooking,
Above-mentioned variable-speed operation parts has under the state making the output speed of the above-mentioned variable-speed unit set by above-mentioned main variable-speed operation parts be maximum output speed, changes the speed adjustment component of the gear ratio of above-mentioned variable-speed unit,
Above-mentioned speed adjustment component under the state extended outward with the side of above-mentioned driver's seat opposition side the part of above-mentioned front, can be supported on above-mentioned front part around the pivot axis almost parallel with above-mentioned axis of oscillation in the leading section played a role as operating portion.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008307842A JP5280819B2 (en) | 2008-12-02 | 2008-12-02 | Armrest structure of work vehicle |
| JP2008-307842 | 2008-12-02 | ||
| JP2009-114281 | 2009-05-11 | ||
| JP2009114281A JP5401165B2 (en) | 2009-05-11 | 2009-05-11 | Armrest unit |
| CN2009801449937A CN102216869B (en) | 2008-12-02 | 2009-11-19 | Armrest structure for working vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801449937A Division CN102216869B (en) | 2008-12-02 | 2009-11-19 | Armrest structure for working vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103455083A CN103455083A (en) | 2013-12-18 |
| CN103455083B true CN103455083B (en) | 2015-11-11 |
Family
ID=42233192
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801449937A Expired - Fee Related CN102216869B (en) | 2008-12-02 | 2009-11-19 | Armrest structure for working vehicle |
| CN201310401794.8A Expired - Fee Related CN103465783B (en) | 2008-12-02 | 2009-11-19 | The operating portion structure of working truck |
| CN201310401793.3A Expired - Fee Related CN103455083B (en) | 2008-12-02 | 2009-11-19 | Armrest unit |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009801449937A Expired - Fee Related CN102216869B (en) | 2008-12-02 | 2009-11-19 | Armrest structure for working vehicle |
| CN201310401794.8A Expired - Fee Related CN103465783B (en) | 2008-12-02 | 2009-11-19 | The operating portion structure of working truck |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101578788B1 (en) |
| CN (3) | CN102216869B (en) |
| WO (1) | WO2010064541A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102121091B1 (en) * | 2013-08-09 | 2020-06-09 | 얀마 파워 테크놀로지 가부시키가이샤 | Working vehicle |
| JP6324872B2 (en) * | 2014-10-16 | 2018-05-16 | ヤンマー株式会社 | Work vehicle |
| DE102015110347A1 (en) * | 2015-06-26 | 2016-12-29 | Claas Selbstfahrende Erntemaschinen Gmbh | Agricultural vehicle |
| JP6483010B2 (en) * | 2015-11-30 | 2019-03-13 | ヤンマー株式会社 | Work vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521040A (en) * | 2003-02-12 | 2004-08-18 | �ֶ��ֽ����豸�عɣ���䣩����˾ | Control lever safety apparatus for heavy equipment |
| CN101296856A (en) * | 2005-10-27 | 2008-10-29 | 克朗设备公司 | Adjustable armrest mechanism for a materials handling vehicle |
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| JPH0635781Y2 (en) * | 1986-12-30 | 1994-09-21 | 三菱農機株式会社 | Agricultural tractor fender handle |
| JP3121642B2 (en) * | 1991-10-14 | 2001-01-09 | 富士通株式会社 | keyboard |
| JPH06191337A (en) * | 1992-12-24 | 1994-07-12 | Mazda Motor Corp | Seat device of vehicle |
| JP3529478B2 (en) * | 1995-03-13 | 2004-05-24 | ヤンマー株式会社 | Tractor |
| JP2000051300A (en) * | 1998-08-07 | 2000-02-22 | Toshiba Tec Corp | Stretch air massaging machine |
| JP3352041B2 (en) * | 1998-11-11 | 2002-12-03 | 株式会社小松製作所 | Mono-lever steering system for work vehicles |
| JP3785944B2 (en) * | 2001-03-30 | 2006-06-14 | 日産自動車株式会社 | Operation unit layout structure for vehicles |
| JP3651602B2 (en) * | 2002-05-29 | 2005-05-25 | 三菱ふそうトラック・バス株式会社 | Transmission operating device |
| SE525171C2 (en) * | 2003-05-28 | 2004-12-14 | Volvo Constr Equip Holding Se | Armrest for use with a vehicle seat |
| JP4286183B2 (en) | 2004-05-24 | 2009-06-24 | 株式会社クボタ | Armrest device |
| JP2007030623A (en) | 2005-07-25 | 2007-02-08 | Yanmar Co Ltd | Working vehicle |
| JP4882564B2 (en) * | 2006-07-14 | 2012-02-22 | 井関農機株式会社 | Working machine lifting operation device |
| JP2008257402A (en) * | 2007-04-03 | 2008-10-23 | Yanmar Co Ltd | Work vehicle |
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2009
- 2009-11-19 KR KR1020117009277A patent/KR101578788B1/en not_active IP Right Cessation
- 2009-11-19 CN CN2009801449937A patent/CN102216869B/en not_active Expired - Fee Related
- 2009-11-19 WO PCT/JP2009/069604 patent/WO2010064541A1/en active Application Filing
- 2009-11-19 CN CN201310401794.8A patent/CN103465783B/en not_active Expired - Fee Related
- 2009-11-19 CN CN201310401793.3A patent/CN103455083B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1521040A (en) * | 2003-02-12 | 2004-08-18 | �ֶ��ֽ����豸�عɣ���䣩����˾ | Control lever safety apparatus for heavy equipment |
| CN101296856A (en) * | 2005-10-27 | 2008-10-29 | 克朗设备公司 | Adjustable armrest mechanism for a materials handling vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103455083A (en) | 2013-12-18 |
| CN103465783B (en) | 2016-04-20 |
| WO2010064541A1 (en) | 2010-06-10 |
| KR20110095244A (en) | 2011-08-24 |
| CN102216869A (en) | 2011-10-12 |
| CN103465783A (en) | 2013-12-25 |
| CN102216869B (en) | 2013-11-27 |
| KR101578788B1 (en) | 2015-12-18 |
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Address after: Osaka, Japan Patentee after: Yangma Power Technology Co.,Ltd. Address before: Osaka Japan Patentee before: YANMAR Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20151111 Termination date: 20211119 |