CN104110492A - Riding-type rice transplanter - Google Patents
Riding-type rice transplanter Download PDFInfo
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- CN104110492A CN104110492A CN201410258850.1A CN201410258850A CN104110492A CN 104110492 A CN104110492 A CN 104110492A CN 201410258850 A CN201410258850 A CN 201410258850A CN 104110492 A CN104110492 A CN 104110492A
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- travels
- speed
- variable speed
- gear shift
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 19
- 235000009566 rice Nutrition 0.000 title claims abstract description 19
- 240000007594 Oryza sativa Species 0.000 title 1
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 241000209094 Oryza Species 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 51
- 230000008859 change Effects 0.000 claims description 42
- 230000009471 action Effects 0.000 claims description 33
- 238000010977 unit operation Methods 0.000 claims description 4
- 230000000881 depressing effect Effects 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 description 19
- 230000005520 electrodynamics Effects 0.000 description 10
- 244000287680 Garcinia dulcis Species 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/003—Transplanting machines for aquatic plants; for planting underwater, e.g. rice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/04—Ratio selector apparatus
- F16H59/06—Ratio selector apparatus the ratio being infinitely variable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
- F16H61/437—Pump capacity control by mechanical control means, e.g. by levers or pedals
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Gear-Shifting Mechanisms (AREA)
- Transplanting Machines (AREA)
- Transportation (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
A riding - type rice transplanter comprises a traveling frame (2) having traveling wheels (5, 6) driven by an engine (7), a seedling planting device (3) installed at the rear of the traveling frame (2), a traveling transmission (8(14)) for the traveling wheels (5, 6), and a gear shift pedal (12) installed at the operation control part (9) of the traveling frame. The riding - type rice transplanter further comprises an actuator (28) for shift-operating the traveling transmission and a detection means (24) for detecting the depressing operation and the releasing operation of the gear shift pedal (12). The actuator (28) operates the traveling transmission (8(14)) to an increase in speed when the detection device (24) detects the depressing operation of the gear shift pedal, and operates the traveling transmission (8(14)) to a decrease in speed when the detection means detects the releasing operation of the transmission pedal (12).
Description
The application is that name is called " riding-type rice transplanter ", international filing date is that February 5, international application no in 2009 are that PCT/JP2009/051982, national applications number are the divisional application of the application for a patent for invention of 200980107746.X.
Technical field
The present invention relates to the riding-type rice transplanter forming at rear portion or the anterior installation seedling-transplanting device of the body that travels.In more detail, relate to the riding-type rice transplanter that the change of travelling speed is undertaken by foot-operated gear shift pedal.
Background technique
In the case of being the such automobile of passenger car, tractor, the change of the speed of a motor vehicle is generally undertaken by the adjusting of fuel injection amount, but, because the motor of planting machine not only travels, also carry out the driving of seedling-transplanting device, so, make the output of motor too change also bad, therefore, change the speed of a motor vehicle by the control speed changer that travels.
As an one example, in patent documentation 1, disclose with connecting rod etc. the speed change lever of the speed changer that travels and be arranged on the situation that between the foot-operated gear shift pedal of running operation portion, mechanicalness interlock links.In this patent documentation, if trample gear shift pedal, speed changer becomes speedup state, if remove trample (if gear shift pedal returns to movement) to gear shift pedal, speed changer becomes deceleration regime.
Patent documentation 1: TOHKEMY 2003-220933 communique
If owing to carrying out the change of the speed of a motor vehicle by foot-operated gear shift pedal as patent documentation 1, two hand skies are opened, so, with regulate the situation of the speed of a motor vehicle by manually operated type bar compared with, the processing ease of steering wheel operation, various bar classes, therefore, excellence aspect Security.
But, in patent documentation 1, because gear shift pedal links with the speed change lever mechanicalness of the speed changer that travels by connecting rod etc., so, the motion of gear shift pedal is immediately to the speed changer transmission of travelling, and worries due to the trampling of gear shift pedal, the anxious starting of the body that travels or anxious acceleration, or due to the releasing of trampling to gear shift pedal, the body that travels is anxious to slow down or the anxious problem stopping., worry the to travel motion of speed changer is too responsive with respect to the response following of the motion of gear shift pedal.
Then, the anxious starting of body or anxious acceleration if travel, because float the front portion of the body that travels, the seedling-transplanting device at rear portion declines, cause rice shoot with respect to the planting depth of field face excessively dark problem compared with specified value, in addition, the body that travels if above-mentioned is anxious to slow down or anxious stopping, and the easy lateral shift of the body that travels, crawls.
In addition, in the structure of by connecting rod, the motion of gear shift pedal being transmitted to the speed changer that travels as patent documentation 1, also exist because the resistance of the speed change lever of the speed changer that travels is as the development of resistance effect of the motion with respect to gear shift pedal, the so-called back attack phenomenon that needs the problem of large power, impact when making speed change lever action or load to transmit to gear shift pedal to trampling of gear shift pedal, makes the problem of variable speed operation and the reduction of running operation sensation.
The object of the invention is to solve the problem relevant to these speed changes in riding-type rice transplanter.
Summary of the invention
The present application has many-sided expansion.The first invention is wherein the structure of upper concept, it is a kind of riding-type rice transplanter, described riding-type rice transplanter has the body that travels that has carried motor, be arranged on the seedling-transplanting device at the rear portion of the above-mentioned body that travels adjusting height, the running operation portion with seat is set on the above-mentioned body that travels, running vehicle wheel, by the power speed changing of above-mentioned motor and to the speed changer that travels of above-mentioned running vehicle wheel transmission, for changing the foot-operated gear shift pedal of travelling speed, the driving type final controlling element that the control of the above-mentioned speed changer that travels is moved by the motion that responds above-mentioned pedal carries out.
The second invention is in the first invention, possess the mobile detection member of checking as electrical signal is moved and returned to trampling of above-mentioned gear shift pedal, above-mentioned detection member and above-mentioned final controlling element are when checking trampling of above-mentioned gear shift pedal mobile in above-mentioned detection member, above-mentioned final controlling element makes the above-mentioned speed changer speedup of travelling, in the time that above-mentioned detection member checks returning of above-mentioned gear shift pedal mobile, above-mentioned final controlling element links the mode that the above-mentioned speed changer that travels slows down.
The 3rd invention is in the second invention, above-mentioned detection member can be checked the amount of movement of each unit time of gear shift pedal, in addition, above-mentioned final controlling element can, with the mode control speed changer that travels that can regulate the speed of a motor vehicle of each unit time to change, clamp the controller of the relation of the amount of movement of the gear shift pedal that can regulate each unit time and the variance ratio of the speed of a motor vehicle between above-mentioned detection member and final controlling element.
The 4th invention is in the first~three invention, adopts electric motor as above-mentioned final controlling element.
The 5th invention is the subordinate concept of the first~four invention, on the basis of the first~four invention, also possesses the stopper mechanism of the rotational resistance that gives above-mentioned running vehicle wheel, the output of the above-mentioned speed changer that travels is connected to above-mentioned running vehicle wheel, the clutch mechanism cutting off and simultaneously switch an action component of above-mentioned stopper mechanism and clutch mechanism, above-mentioned action component can switch to and make above-mentioned stopper mechanism is ON and to make above-mentioned clutch mechanism be the halted state and to make above-mentioned stopper mechanism be OFF and to make above-mentioned clutch mechanism be the travelling state of ON of travelling of OFF.Then, in the 5th invention, above-mentioned action component and above-mentioned gear shift pedal are taking above-mentioned action component under the state not trampling above-mentioned gear shift pedal as halted state, and the mode that above-mentioned action component is travelling state under the state of having trampled above-mentioned gear shift pedal links.
The 6th invention is in the 5th invention, running operation portion at the above-mentioned body that travels arranges foot-operated brake pedal, above-mentioned brake pedal and above-mentioned action component are with in the time that above-mentioned brake pedal is trampled, and above-mentioned action component partition links with the mode that the relation of above-mentioned gear shift pedal becomes halted state.
Invention effect
In the first invention, due to the motion of gear shift pedal through driving type final controlling element to the speed changer transmission of travelling, so, can eliminate the situation of the motion of gear shift pedal of travelling speed changer tetchiness and respond.Therefore, the anxious starting that can prevent the trampling of gear shift pedal to cause, anxious acceleration, its result is, the body that can prevent from travelling front fall, prevent from or obviously suppress seedling becoming dark plantation state.In addition, owing to can also preventing that the mobile urgency causing of returning of gear shift pedal from stopping, anxious deceleration, so, can also prevent or obviously reduce the body that travels lateral shift, crawl.
In addition, the load when not existing the speed change lever of the speed changer that travels to carry out gear shifting operation and impact situation about transmitting to gear shift pedal as so-called recoil, so, can significantly improve variable speed operation and running sensation.
Although also can the motion of gear shift pedal be transmitted to final controlling element by mechanicalness mechanism,, if due to as the second invention, adopt electro-detection member, do not need linkage part, so, favourable at design aspect.
In the 3rd invention, owing to for example can making speedup degree slow in the initial stage of trampling operation of gear shift pedal (when starting), or remove and make retardation slow the latter stage (while stopping) operating trampling of gear shift pedal, so, the velocity variations of body of can making to travel is level and smooth, the stable machine that makes to travel travels, and its result is, can further encourage and prevent dark plantation, prevents lateral shift, such effect of crawling.
Although can use oil hydraulic motor, the so various final controlling element of o as final controlling element,, if as the 4th invention, adopt electric motor (preferably stepper motor), simple structure, and can carry out complicated control.Therefore, the 4th invent the mode that has been in the present application.
According to the 5th invention, if because driver's pin leaves gear shift pedal, be OFF at clutch mechanism, to the cut while of transmission of power of running vehicle wheel, stopper mechanism is ON, and the rotation of running vehicle wheel stops, so, the travelling of body of travelling stops automatically and effectively carrying out, and therefore, can improve the operability of planting machine.
In plantation operation, exist for safety etc., the situation that must suddenly stop afield.This o'clock, if step on brake pedal, the body that travels had precedence over anxious the stopping of operation of gear shift pedal according to the 6th invention, so, can further improve operability.
Brief description of the drawings
Fig. 1 is the side view of having applied the riding-type rice transplanter of the present application.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the skeleton diagram of speed changer of travelling.
Fig. 4 is the plan view that represents mobility operation device.
Fig. 5 is that the V-V of Fig. 4 looks amplification view.
Fig. 6 is that the VI-VI of Fig. 4 looks amplification view.
Fig. 7 is the major component enlarged view of Fig. 4.
Fig. 8 is the figure that represents the relation of the amount of movement of gear shift pedal and the variance ratio of travelling speed.
Embodiment
With reference to the accompanying drawings, embodiments of the present invention are described below.
In Fig. 1 and Fig. 2, symbol 1 represents the planting machine of ride-type.This riding-type rice transplanter 1 by the body 2 that travels, the seedling-transplanting device 3 of known many ridges plantation formulas in the past that is liftably arranged on its rear portion forms, the above-mentioned body 2 that travels possesses by pairing left and right front wheel 5 and is similarly the body shell 4 that the rear wheel 6 of pairing left and right supports.
In addition, on the body shell 4 of the above-mentioned body 2 that travels, carrying motor 7, and carrying the speed changer 8 that travels that appropriate power speed change is transmitted from this motor 7 wheel 5,6 forwards, backwards, accordingly, the above-mentioned body 2 that travels travels to arrow A direction by four-wheel drive.
Have again, also on the body shell 4 of the above-mentioned body 2 that travels, setting possesses the running operation portion 9 of steering dish 10 and seat 11, the position on the right side of the above-mentioned steering dish 10 in the floor of this running operation portion 9, left and right is arranging the foot-operated gear shift pedal (accelerator pedal) 12 of forward direction and the foot-operated brake pedal 13 of same forward direction side by side.These pedals 12,13 rotate and are freely installed on above-mentioned body shell 4.
As shown in Figure 3, the above-mentioned speed changer 8 that travels possesses the stepless speed changing mechanism 14 of HST formula (hydrostatic).This HST formula stepless speed changing mechanism 14 has by the oil hydraulic pump 15 of the power-actuated changable type from above-mentioned motor 7, by the hydraulically powered oil hydraulic motor 16 from this oil hydraulic pump 15, by change the angle of inclination of the swash plate 15a of above-mentioned oil hydraulic pump 15 with speed change lever 17, the travelling speed of the above-mentioned body 2 that travels is carried out to stepless change.Though not shown go out, on above-mentioned speed change lever 17, connecting the spring component that this speed change lever 17 is suppressed to deceleration direction.
In addition, as shown in Figure 3, on the above-mentioned speed changer 8 that travels, possess the clutch mechanism 18 for making the transmission of power ONOFF (connect, cut off) to above-mentioned each wheel 5,6, and possess the stopper mechanism 19 that above-mentioned each wheel 5,6 is braked.
Have again, the revolving service axis 20 for above-mentioned stopper mechanism 19 is set on the above-mentioned speed changer 8 that travels, on the action component 21 being fastened on this service axis 20, linking above-mentioned clutch mechanism 18 by wire etc.Accordingly, an above-mentioned action component 21 is with when in position shown in Fig. 4 and Fig. 7 solid line, becoming above-mentioned stopper mechanism 19 is ON, the halted state that above-mentioned clutch mechanism 18 is OFF, but, while arriving the position of double dot dash line at the rear shown in arrow B in Fig. 7 to rotation, becoming above-mentioned stopper mechanism 19 is OFF, and the mode of the travelling state that above-mentioned clutch mechanism 18 is ON forms.On this action component 21 or aforesaid operations axle 20, the mode of rotating with direction to above-mentioned arrow B is being set and is suppressing the spring component of this action component 21 (not shown go out).
Anterior part in above-mentioned body shell 4 is rotated free ground axle suspension by bearing 23 and the variable speed operation axle 22 extending at horizontal (left and right directions of the positive apparent time of the body 2 that travels), be provided with trampling operation and trampling the detection member 24 of removing operation (describing in detail) below for detection of above-mentioned gear shift pedal 12 at the right-hand member of this variable speed operation axle 22, on the other hand, the left end of above-mentioned variable speed operation axle 22 fastening tooth sector 25.
In addition, tighten set arm 26 at above-mentioned variable speed operation axle 22, the front end of the connection rod of gear shifting 27 rearward extending in the front end pivotal mounting of this arm 26.Have again, in the rear end of this connection rod of gear shifting 27, form the slotted hole 27a of appropriate length L, embed and be sticked in this slotted hole 27a the pin 17a free sliding arranging on the front end of the speed change lever 17 of the stepless speed changing mechanism 14 of the above-mentioned speed changer 8 that travels.
Therefore, above-mentioned stepless speed changing mechanism 14 does not rotate at above-mentioned variable speed operation axle 22, above-mentioned connection rod of gear shifting 27 is not rearward under mobile state, in substantially not carrying out the state of transmission of power, but, above-mentioned variable speed operation axle 22 is in the counter clockwise direction rotation shown in the arrow C of Fig. 5 and Fig. 6, in the process that above-mentioned connection rod of gear shifting 27 rearward moves, when its amount of movement exceedes the length L of above-mentioned slotted hole 27a, the rearward movement of travelling speed and above-mentioned connection rod of gear shifting 27 is pro rata without stage ground speedup.On the other hand, if above-mentioned variable speed operation axle 22 in the clockwise direction rotation shown in the arrow D of Fig. 5 and Fig. 6, above-mentioned connection rod of gear shifting 27 forwards moves, stepless speed changing mechanism 14 transfers deceleration to, travelling speed without the stage slow down.
The small gear 29 for example, being rotarilyd actuate by electrodynamic type final controlling element (electric motor) 28 engages with above-mentioned tooth sector 25.Therefore, by utilizing above-mentioned electrodynamic type final controlling element 28, make tooth sector 25 positive and negative rotations, above-mentioned variable speed operation axle 22 is in the clockwise direction positive and negative rotation shown in the counter clockwise direction shown in above-mentioned arrow C and above-mentioned arrow D.
In the part of the right-hand member of above-mentioned variable speed operation axle 22, rotate free ground axle suspension and the speed change pedal shaft 30 extending abreast with this variable speed operation axle 22 (speed change pedal shaft 30 is installed on body shell 4.)。This speed change links through linking mechanism 31 and above-mentioned gear shift pedal 12 with pedal shaft 30, if from because of not shown go out the spring component posture of standing up, antagonistic spring member, trample above-mentioned gear shift pedal 12 (if trampling operation) in the mode that makes it to fall down, gear shift pedal axle 30 is in the clockwise direction rotation shown in arrow E.Otherwise, carry out if start from above-mentioned position of having trampled above-mentioned gear shift pedal 12 removing operation because spring component turns back to such the trampling of the original posture of standing up, gear shift pedal axle 30 is in the counter clockwise direction rotation shown in arrow F.
Then the above-mentioned detection member 24 that, is configured in the right-hand member of above-mentioned variable speed operation axle 22 possesses pair of switches 24d, the 24e that the case 24a, the rotation that are fastened on above-mentioned variable speed operation axle 22 are freely arranged on rotor 24b on this case 24a, the both sides of above-mentioned two forked arm 24c in from this rotor 24b two forked arm 24c that direction is outstanding to radial direction, in above-mentioned case 24a arrange.The front end that is engaging the arm 32 outstanding from above-mentioned speed change pedal shaft 30 on above-mentioned two forked arm 24c, therefore, two forked arm 24c and rotor 24b operate in arrow E by trampling of above-mentioned gear shift pedal 12 ' shown in counter clockwise direction rotate.So, a switch 24d is switched to ON from OFF.Otherwise, if trampling, the state of being trampled from above-mentioned gear shift pedal 12 removes operation, and two forked arm 24c and rotor 24b clockwise direction as shown in arrow F ' rotates, and another switch 24e is switched to ON from OFF.
What in Fig. 4, symbol 33 represented is controller.This controller 33 is using the signal of two switch 24d, the 24e of above-mentioned detection member 24 as input signal, this input signal is changed rightly, the output of indicating to above-mentioned electrodynamic type final controlling element 28, if a switch 24d in above-mentioned two switch 24d, 24e becomes ON from OFF, above-mentioned electrodynamic type final controlling element 28 is driven, above-mentioned variable speed operation axle 22 is the direction rotation in arrow C through tooth sector 25, accordingly, above-mentioned connection rod of gear shifting 27, as shown in the solid arrow G of Fig. 4, Fig. 6 and Fig. 7, rearward moves.Otherwise if another switch 24e in above-mentioned two switch 24d, 24e becomes ON from OFF,, as shown in the dash-dot arrows H of Fig. 4, Fig. 6 and Fig. 7, above-mentioned connection rod of gear shifting 27 forwards moves.
As shown in Figure 7, on for the two a action component 21 of above-mentioned clutch mechanism 18 and stopper mechanism 19, be wholely set receiving sheet 21a, above-mentioned connection rod of gear shifting 27 free slidings ground connect this receiving sheet 21a.In the rearward end of this connection rod of gear shifting 27, the block sheet 27b of the above-mentioned receiving sheet 21a of butt is being set.Therefore, do not rotate at above-mentioned variable speed operation axle 22, above-mentioned connection rod of gear shifting 27 not rearward when mobile state (, while above-mentioned gear shift pedal 12 not being trampled to the state of operation), an above-mentioned action component 21 is remained on and is made above-mentioned stopper mechanism 19 for ON by above-mentioned block sheet 27b, makes the halted state that above-mentioned clutch mechanism 18 is OFF.Then, if above-mentioned connection rod of gear shifting 27 rearward moves, above-mentioned action component 21 antagonistic spring members, as shown in the double dot dash line of Fig. 7, rotate at rear to arrow B, becomes above-mentioned stopper mechanism 19 for OFF, the travelling state that above-mentioned clutch mechanism 18 is ON.
Link with above-mentioned gear shift pedal 12 brake pedal 13 being set up in parallel and the brake shaft 34 that rotates free ground axle suspension on above-mentioned body shell 4, by the operation of trampling to brake pedal 13, brake shaft 34 rotates.Arm 35 is fastened on brake shaft 34, at the front end of this arm 35, linking the brake linkage 36 rearward extending, as shown in Figure 7, the part free sliding ground of the rear end of brake linkage 36 connects the engaging sheet 21b being arranged on an above-mentioned action component 21, in the rear end of brake linkage 36, block 36a is being set.Therefore, above-mentioned brake pedal 13 is not being trampled under the state of operation, allow halted state (position shown in Fig. 7 solid line) freely the moving to travelling state (position shown in Fig. 7 double dot dash line) from an above-mentioned action component 21, but, if at an above-mentioned action component 21 during in above-mentioned travelling state, resist its spring, above-mentioned brake pedal 13 is trampled to operation, can not be subject to the impact of above-mentioned connection rod of gear shifting 27, make an above-mentioned action component 21 forcibly become halted state.In other words, can have precedence over the operation of above-mentioned gear shift pedal 12, forcibly become halted state.
In said structure, due in the time not trampling above-mentioned gear shift pedal 12, the situation that does not exist above-mentioned variable speed operation axle 22 to rotate, above-mentioned connection rod of gear shifting 27 does not also rearward move, so the speed change lever 17 of the HST formula stepless speed changing mechanism 14 of the above-mentioned speed changer 8 that travels does not rotate.
And due in the time not trampling above-mentioned gear shift pedal 12, an above-mentioned action component 21 is in for example position of the halted state shown in Fig. 7 solid line, become stopper mechanism 19 for ON, the transmission of power that clutch mechanism 18 is OFF is cut off state, so the body 2 that travels or not.
Then, if above-mentioned gear shift pedal 12 is trampled to operation, the first above-mentioned speed change direction rotation of pedal shaft 30 in the arrow E of Fig. 5, according to this rotation, two forked arm 24c of above-mentioned detection member 24 and rotor 24b are in arrow E ' direction rotation, accordingly, a switch 24d in two switch 24d, the 24e of above-mentioned detection member 24 is switched to ON from OFF, with this, above-mentioned electrodynamic type final controlling element 28, according to the instruction of above-mentioned controller 33, makes the direction rotation of above-mentioned variable speed operation axle 22 in arrow C.Accordingly, above-mentioned connection rod of gear shifting 27 for example, as shown in the solid arrow G of Fig. 6, starts rearward to move.
If the rearward initial stage amount of movement of above-mentioned connection rod of gear shifting 27 reaches the length L of the slotted hole 27a of its rear end, this block 27b rearward leaves from the receiving sheet 21a of an above-mentioned action component 21, accordingly, an above-mentioned action component 21 rotates to the travelling state shown in double dot dash line, thus, become stopper mechanism 19 for OFF, the power delivery status that clutch mechanism 18 is ON.
The rear of above-mentioned connection rod of gear shifting 27 moves through to be proceeded the continuity of trampling operation of above-mentioned gear shift pedal 12, its rear has been moved beyond the stage of the length L of above-mentioned slotted hole 27a, above-mentioned speed change lever 17 rearward rotates, and above-mentioned HST formula stepless speed changing mechanism 14 actions are power delivery status.Accordingly, the body 2 that travels starts to travel.The travelling speed of body 2 of travelling and the further rearward amount of movement of above-mentioned connection rod of gear shifting 27 (, the operation amount of trampling to above-mentioned gear shift pedal 12) carry out pro rata.
If stop the operation of trampling to above-mentioned gear shift pedal 12, by above-mentioned controller 33, continue the rotation to arrow C direction of the above-mentioned variable speed operation axle 22 being undertaken by electrodynamic type final controlling element 28, accordingly, a switch 24d of above-mentioned detection member 24 becomes OFF from ON, according to the instruction of above-mentioned controller 33, stops the rotation to arrow C direction of the above-mentioned variable speed operation axle 22 being undertaken by electrodynamic type final controlling element 28, its result is that the rearward movement of above-mentioned connection rod of gear shifting 27 stops in this position.Therefore, the travel travelling speed of body 2 is maintained at and the speed corresponding to position of trampling of above-mentioned gear shift pedal 12.
If pin leaves above-mentioned gear shift pedal 12, carrying out state from having trampled this gear shift pedal 12 turns back to such the trampling of the original posture of standing up by spring component and removes operation, the above-mentioned speed change direction rotation of pedal shaft 30 at arrow F, according to this rotation, two forked arm 24c of above-mentioned detection member 24 and rotor 24b are at the direction rotation of arrow F '.So, another switch 24e in two switch 24d, the 24e of above-mentioned detection member 24 is switched to ON from OFF, with this, above-mentioned electrodynamic type final controlling element 28 is according to the instruction of above-mentioned controller 33, so that above-mentioned variable speed operation axle 22 is driven in the mode of the direction rotation of arrow D.Its result is that above-mentioned connection rod of gear shifting 27, as shown in dash-dot arrows H, forwards moves.
Move in front by this connection rod of gear shifting 27, and above-mentioned speed change lever 17 rearward rotates, and above-mentioned HST formula stepless speed changing mechanism 14 actions are deceleration regime, and therefore, the travelling speed of the body 2 that travels is slowed down.
Remove operation if stop trampling of gear shift pedal 12 on the way, under the state of the direction rotation of arrow D, stopped the rotation of arm 32 at above-mentioned variable speed operation axle 22 by electrodynamic type final controlling element 28, accordingly, another switch 24e of detection member 24 becomes OFF from ON, so, according to the instruction of above-mentioned controller 33, electrodynamic type final controlling element 28 stops, and the rotation of the direction to arrow D of above-mentioned variable speed operation axle 22 stops.Its result is, the movement forwards of above-mentioned connection rod of gear shifting 27 stops in this position, and travelling speed is maintained at the state of deceleration.
If the posture of standing up that above-mentioned gear shift pedal 12 is original because spring component turns back to completely, above-mentioned speed change lever 17 also restores, become the state that HST formula stepless speed changing mechanism 14 does not carry out transmission of power substantially, simultaneously, it is ON that an above-mentioned action component 21 becomes above-mentioned stopper mechanism 19, the halted state that above-mentioned clutch mechanism 18 is OFF, with this, the travelling of the body 2 that stops travelling.
Like this, above-mentioned gear shift pedal 12 is trampled to starting and the acceleration of operation, the detection member of trampling 24 to above-mentioned gear shift pedal 12 and controller 33 after testing, moved to carry out by making to travel speed changer 8 speedups by final controlling element 28, on the other hand, above-mentioned gear shift pedal 12 is trampled to remove the deceleration of operation and stop be also member 24 and controller 33 after testing, slow down and move to carry out by the speed changer 8 that made to travel by final controlling element 28, due at above-mentioned gear shift pedal 12 with travel and have detection member 24 and final controlling element 28 between speed changer 8, so, can avoid trampling because of the urgency of above-mentioned gear shift pedal 12 cause anxious accelerates or anxious starting, the urgency of gear shift pedal 12 is returned to cause anxious and is slowed down or anxious stopping.
In addition, because the speed changer 8 that made to travel by final controlling element 28 carries out gear shifting operation, so, can alleviate the steering force of trampling to gear shift pedal 12, have again, can be in operation when gear shift pedal 12, avoid the above-mentioned speed changer 8 that travels speed change lever 17 load and impact situation about transmitting to above-mentioned gear shift pedal 12 as so-called recoil.
But in the present embodiment, as shown in Figure 8, above-mentioned controller 33 possesses the function that can change with respect to the unit speed change amount of the travelling speed of the unit operation amount of above-mentioned gear shift pedal 12.That is, Fig. 8 is the figure that represents the relation of the operation amount S of above-mentioned gear shift pedal 12 and the speed change amount W of travelling speed, the downward protruding binary curve Y that its relation can be made to the monobasic straight line X representing with solid line or represent with double dot dash line.
In the relation of the monobasic straight line X shown in the solid line of Fig. 8, the speed change amount Δ W of unit with respect to the travelling speed of the unit operation amount Δ S of above-mentioned gear shift pedal 12 sets to spread all over the proportional mode in linarity ground, whole region, under the relation of the downward protruding binary curve Y representing in double dot dash line, although the unit speed change amount with respect to the travelling speed of the unit operation amount Δ S of above-mentioned gear shift pedal 12 spreads all over whole region than little under the relation of X, but, taking to the initial stage of trampling operation of above-mentioned gear shift pedal 12 as minimum, the mode increasing is gradually set.
The time that displacement amount can be ON by a switch 24d of measurement detection member 24 of trampling of gear shift pedal 12 calculate.In addition, the time that displacement amount can be ON by another switch 24e of measurement detection member 24 of returning of gear shift pedal 12 calculate.Also can make detection member 24 keep directly checking the sensor function of the displacement amount (angle of displacement) of gear shift pedal 12.The relation of X, Y also can realize by triangle.
Due to by the relation of setting Y for, can make the speedup rate of travelling speed become slow in the initial stage of trampling operation to above-mentioned gear shift pedal 12 (when starting), in the time that trampling of above-mentioned gear shift pedal 12 removed the latter stage (while stopping) operating, make the deceleration rate of travelling speed become slow, so, can further encourage dark plantation while preventing from starting to walk, lateral shift, such effect of crawling while preventing from stopping.
In addition, when set being related to of the operation amount S of above-mentioned gear shift pedal 12 and the speed change amount W of travelling speed by above-mentioned controller 33, except above-mentioned monobasic straight line X and downward protruding binary curve Y, can change the inclination of above-mentioned monobasic straight line X, or change the above-mentioned shape of protruding binary curve Y downwards, or make convex binary curve, in addition, can be with trampling when operation (when starting) and trampling the mode of removing (while stopping) while operating and becoming different monobasic straight lines or binary curve and set above-mentioned gear shift pedal 12.
In the present embodiment, make the structure that the driving rotating speed of above-mentioned motor 7 and the gear shifting operation of the above-mentioned speed changer 8 that travels are correspondingly changed automatically, this point is illustrated in Fig. 6 for example.
, first, as shown in Figure 6, on above-mentioned tooth sector 25, be arranged on the cam path 37 that circumferencial direction extends, in this cam path 37, its top (one end) 37a is positioned at the position that starts large radius R 1 from the above-mentioned variable speed operation axle 22 of the rotating center as above-mentioned tooth sector 25, end (the other end) 37b is positioned at the position that starts little radius R 2 from above-mentioned variable speed operation axle 22, therefore, with the direction to arrow C rotation towards above-mentioned tooth sector 25 (cam path 37 becomes, make the sense of rotation of travelling speed speedup), move closer to the form that the mode of rotating center tilts.
Then, engage with cam path 37 from rotating front end free sliding that the free earth's axis is bearing in the first outstanding arm 39 of transverse axis above-mentioned body shell 4 38, on the other hand, the accelerator rod 7a that is fastened on the second arm 40 on above-mentioned transverse axis 38 and above-mentioned motor 7 is by links such as wires 41.
In this structure, if because above-mentioned tooth sector 25 is in direction (making the direction of the travelling speed speedup) rotation of arrow C, above-mentioned accelerator rod 7a is by above-mentioned cam path 37 its return spring member of opposing 7b, rotate in the direction shown in arrow J, so the rotating speed of above-mentioned motor 7 is the speedup boosting mechanism pro rata with travelling speed from idling rotation beginning.
On the other hand, if above-mentioned tooth sector 25 is in direction (direction that the travelling speed is slowed down) rotation of arrow D, because of the guiding function of above-mentioned cam path 37, above-mentioned accelerator rod 7a is by its return spring member 7b, return to rotation in the direction shown in arrow K, therefore, the rotating speed of above-mentioned motor 7 and the deceleration of travelling speed automatic retarding pro rata, stop completely if travel, become idling rotation.
In addition, pass through the above-mentioned accelerator rod 7a of manual rotation operation, the structure that also can change arbitrarily even if can certainly make the rotating speed of above-mentioned motor 7.
The possibility of utilizing in industry
The present application is to be applied to riding-type rice transplanter, can improve the invention of its serviceability, therefore, has the possibility of utilizing in industry.
Symbol description
1: riding-type rice transplanter; 2: body travels; 3: seedling-transplanting device; 4: body shell; 5: front wheel (running vehicle wheel); 6: rear wheel (running vehicle wheel); 7: motor; 8: speed changer travels; 9: running operation portion; 12: gear shift pedal; 13: brake pedal; 14: as the HST formula stepless speed changing mechanism of the maincenter of the speed changer that travels; 17: speed change lever; 18: clutch mechanism; 19: stopper mechanism; 21: action component; 22: variable speed operation axle; 24: detection member (sensor); 25: speed change tooth sector; 27: connection rod of gear shifting; 28: final controlling element (electric motor); 33: controller.
Claims (3)
1. a riding-type rice transplanter,
Described riding-type rice transplanter have carried motor the body that travels, be arranged on the seedling-transplanting device at the rear portion of the above-mentioned body that travels, by the power speed changing of above-mentioned motor and to the speed changer that travels of running vehicle wheel transmission, be arranged on the variable speed operation tool of the above-mentioned running operation portion in body of travelling
It is characterized in that,
Possess the final controlling element that the above-mentioned speed changer that travels is carried out to the driving type of variable speed operation, the mobile detection member of checking as electrical signal moved and returns in the pushing of above-mentioned variable speed operation tool, and drive the controller of above-mentioned final controlling element,
Above-mentioned controller drives above-mentioned final controlling element, thereby in the time that above-mentioned detection member checks the pushing of above-mentioned variable speed operation tool to move, make above-mentionedly to travel speed changer speedup and move, in the time that above-mentioned detection member checks returning of above-mentioned variable speed operation tool mobile, the above-mentioned speed changer that travels is slowed down to move
Above-mentioned controller can change the unit speed change amount with respect to the travelling speed of the unit operation amount of above-mentioned variable speed operation tool, can make the speedup degree of travelling speed slow at the initial stage of the bulldozing operation of above-mentioned variable speed operation tool, make the retardation of travelling speed slow the latter stage of removing operation in the pushing of above-mentioned variable speed operation tool.
2. riding-type rice transplanter as claimed in claim 1, is characterized in that,
The above-mentioned speed changer that travels also possesses stopper mechanism, clutch mechanism and the action component to above-mentioned running vehicle wheel, above-mentioned action component can switch to make above-mentioned stopper mechanism be ON and make above-mentioned clutch mechanism be the halted state of OFF and make above-mentioned stopper mechanism be OFF and make above-mentioned clutch mechanism be ON travelling state move
Under the state of the above-mentioned variable speed operation tool of bulldozing operation, an above-mentioned action component switches action, thereby move and become above-mentioned travelling state to speedup direction, removing the state of bulldozing operation from above-mentioned variable speed operation tool, an above-mentioned action component switches action, thereby moves and become above-mentioned halted state to deceleration direction.
3. riding-type rice transplanter as claimed in claim 2, is characterized in that,
An above-mentioned action component is with respect to above-mentioned brake pedal, links in the mode that operation has precedence over above-mentioned variable speed operation tool and become above-mentioned halted state of trampling according to this brake pedal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-055169 | 2008-03-05 | ||
JP2008055169A JP5497268B2 (en) | 2008-03-05 | 2008-03-05 | Traveling operation device for riding rice transplanter |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980107746XA Division CN101960182A (en) | 2008-03-05 | 2009-02-05 | Riding - type rice transplanter |
Publications (1)
Publication Number | Publication Date |
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CN104110492A true CN104110492A (en) | 2014-10-22 |
Family
ID=41055841
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980107746XA Pending CN101960182A (en) | 2008-03-05 | 2009-02-05 | Riding - type rice transplanter |
CN201410850651.XA Pending CN104604398A (en) | 2008-03-05 | 2009-02-05 | Riding-type rice transplanter |
CN201410258850.1A Pending CN104110492A (en) | 2008-03-05 | 2009-02-05 | Riding-type rice transplanter |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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CN200980107746XA Pending CN101960182A (en) | 2008-03-05 | 2009-02-05 | Riding - type rice transplanter |
CN201410850651.XA Pending CN104604398A (en) | 2008-03-05 | 2009-02-05 | Riding-type rice transplanter |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5497268B2 (en) |
KR (2) | KR101590434B1 (en) |
CN (3) | CN101960182A (en) |
WO (1) | WO2009110280A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105340439A (en) * | 2015-11-25 | 2016-02-24 | 云南烟草机械有限责任公司 | Multifunctional crawler type tobacco planting and managing operation vehicle |
CN108351008A (en) * | 2015-09-18 | 2018-07-31 | 洋马株式会社 | Working truck |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5436287B2 (en) * | 2010-03-17 | 2014-03-05 | ヤンマー株式会社 | Riding machine |
JP5373520B2 (en) * | 2009-09-17 | 2013-12-18 | ヤンマー株式会社 | Riding machine |
JP5724189B2 (en) * | 2010-03-08 | 2015-05-27 | 株式会社ニコン | Variable magnification optical system, optical device |
JP5508626B2 (en) * | 2010-03-17 | 2014-06-04 | ヤンマー株式会社 | Riding machine |
KR20130069753A (en) * | 2010-09-17 | 2013-06-26 | 얀마 가부시키가이샤 | Rice transplanter |
JP5779328B2 (en) * | 2010-09-17 | 2015-09-16 | ヤンマー株式会社 | Rice transplanter |
JP5682886B2 (en) * | 2010-10-13 | 2015-03-11 | ヤンマー株式会社 | Rice transplanter |
KR101956598B1 (en) * | 2018-02-05 | 2019-06-24 | 동양물산기업 주식회사 | Braking device for agricultural machine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0751983B2 (en) * | 1989-03-23 | 1995-06-05 | 株式会社クボタ | Rice transplanter vehicle speed control device |
JP3364745B2 (en) * | 1999-02-04 | 2003-01-08 | ヤンマー農機株式会社 | Rice transplanter |
JP4116199B2 (en) * | 1999-06-30 | 2008-07-09 | ヤンマー農機株式会社 | Rice transplanter |
JP2001275416A (en) * | 2000-03-30 | 2001-10-09 | Kubota Corp | Paddy working machine |
JP4106217B2 (en) | 2002-01-28 | 2008-06-25 | ヤンマー農機株式会社 | Brake and clutch operation mechanism |
JP4095355B2 (en) * | 2002-06-20 | 2008-06-04 | ヤンマー農機株式会社 | Rice transplanter |
JP4095357B2 (en) | 2002-06-20 | 2008-06-04 | ヤンマー農機株式会社 | Rice transplanter |
JP4142473B2 (en) | 2003-01-10 | 2008-09-03 | ヤンマー農機株式会社 | Travel speed holding mechanism |
-
2008
- 2008-03-05 JP JP2008055169A patent/JP5497268B2/en active Active
-
2009
- 2009-02-05 CN CN200980107746XA patent/CN101960182A/en active Pending
- 2009-02-05 WO PCT/JP2009/051982 patent/WO2009110280A1/en active Application Filing
- 2009-02-05 KR KR1020107018255A patent/KR101590434B1/en not_active IP Right Cessation
- 2009-02-05 CN CN201410850651.XA patent/CN104604398A/en active Pending
- 2009-02-05 CN CN201410258850.1A patent/CN104110492A/en active Pending
- 2009-02-05 KR KR1020167002185A patent/KR101716724B1/en active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108351008A (en) * | 2015-09-18 | 2018-07-31 | 洋马株式会社 | Working truck |
CN105340439A (en) * | 2015-11-25 | 2016-02-24 | 云南烟草机械有限责任公司 | Multifunctional crawler type tobacco planting and managing operation vehicle |
Also Published As
Publication number | Publication date |
---|---|
KR20160015401A (en) | 2016-02-12 |
WO2009110280A1 (en) | 2009-09-11 |
KR20100124722A (en) | 2010-11-29 |
KR101590434B1 (en) | 2016-02-18 |
JP5497268B2 (en) | 2014-05-21 |
CN101960182A (en) | 2011-01-26 |
JP2009210063A (en) | 2009-09-17 |
CN104604398A (en) | 2015-05-13 |
KR101716724B1 (en) | 2017-03-15 |
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Application publication date: 20141022 |