CN220402325U

CN220402325U - Garden management machine

Info

Publication number: CN220402325U
Application number: CN202321447234.1U
Authority: CN
Inventors: 罗裕源; 王吉龙
Original assignee: Chongqing Meiao Machinery Manufacturing Co ltd; Chongqing Longwang Electromechanical Co Ltd
Current assignee: Chongqing Meiao Machinery Manufacturing Co ltd; Chongqing Longwang Electromechanical Co Ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2024-01-30
Anticipated expiration: 2033-06-07

Abstract

The utility model relates to a field management machine, which comprises a power equipment gearbox, a power control device and a power control device, wherein the power equipment gearbox is used for receiving power of power equipment; a walking wheel; a working tool; the gearbox transmits power to the walking power output shaft through the walking power input shaft for driving the walking wheels to rotate forwards, and the gearbox transmits power to the cutter power output shaft through the cutter power input shaft for driving the working part to rotate reversely; the cutter power output shaft is positioned in front of the walking power output shaft, and the cutter power output shaft is positioned below the walking power output shaft. The cutter power output shaft is located the place ahead of walking power output shaft, and cutter power output shaft is located the below of walking power output shaft for working cutter is less than the walking wheel, is favorable to working cutter to get into earth more deeply when the during operation.

Description

Garden management machine

Technical Field

The utility model relates to the technical field of agricultural equipment, in particular to a field management machine.

Background

The garden management machine uses a small diesel engine or a gasoline engine as power, and has the characteristics of light weight, small volume, simple structure and the like. The field management machine is widely applicable to dry lands, paddy fields, orchards and the like in plain, mountain areas and hills. The field management machine can be freely used in the field, is convenient for users to use and store, eliminates the trouble that large farm machinery cannot enter mountain field blocks, and is the best choice for vast farmers to replace cattle cultivation.

The field management machine comprises power equipment, a separation box, a working cutter and travelling wheels, wherein the power equipment transmits power to the working cutter and the travelling wheels through the separation box to drive the working cutter and the travelling wheels to rotate, but at present, the field management machine is generally poor in ditching quality, on one hand, because the speed of reversing the working cutter is not specified by industry, the reversing speed of the working cutter is completely determined by a manufacturer, and the phenomenon that the ditching quality is poor due to unreasonable rotating speed of the working cutter exists; on the other hand, the ditching depth completely depends on the size of the working cutter, so that a user has to match the working cutter according to the ditching depth, and the center of gravity of the field management machine can be changed due to cutters with different sizes, so that the ditching quality is unstable, and the technical problem to be solved is urgent at present if the problem of poor ditching quality of the field management machine is solved.

Disclosure of Invention

In view of the above, the utility model provides a field management machine, and the working cutter is more stretched into soil during ditching through the fact that the height of the working cutter is lower than that of the travelling wheels, so that ditching is convenient, and ditching quality is effectively guaranteed.

The utility model provides a field management machine which adopts the following technical scheme:

a field manager comprising:

a power plant;

a gearbox for receiving power from the power plant;

a walking wheel;

a working tool;

the gearbox transmits power to the walking power output shaft through the walking power input shaft for driving the walking wheels to rotate forwards, and the gearbox transmits power to the cutter power output shaft through the cutter power input shaft for driving the working part to rotate reversely;

the cutter power output shaft is positioned in front of the walking power output shaft, and the cutter power output shaft is positioned below the walking power output shaft;

the height difference between the cutter power output shaft and the walking power output shaft ranges from 50 mm to 100mm;

the wheelbase between the cutter power output shaft and the walking power output shaft ranges from 300 mm to 600mm;

when the travelling wheel is used, the linear speed of the tip part of the blade of the working cutter is larger than the travelling speed of the travelling wheel.

Optionally, the inclination angle of the walking power input shaft is adjustable, and the inclination angle ranges from 70 degrees to 150 degrees

Optionally, the inclination angle of the cutter power input shaft is adjustable, and the inclination angle ranges from 90 to 170.

Optionally, the gearbox is a three-gear gearbox.

Alternatively, the cutter power input shaft may be manipulated to combine to transfer power or to break power transfer.

Optionally, the walking part is provided with two along the width direction of garden supervisor, and two the walking wheel corresponds respectively and is located the axial outside of working tool.

Optionally, the device further comprises a handrail frame, wherein the handrail frame is arranged at the rear end of the top of the gearbox in a mode of being capable of swinging along the up-down direction and being locked.

Optionally, the front end of gearbox fixedly is provided with the power arm, cutter power input shaft sets up in the power arm, the power arm passes through support piece fixed connection in power equipment's casing.

Optionally, still including setting up in the linking arm of gearbox below, walking power output shaft normal running fit sets up in the linking arm, the front end of power arm is provided with preceding backup pad, rear end is provided with back backup pad, preceding backup pad is used for supporting power equipment, back backup pad is used for supporting the linking arm.

Optionally, the combined end face of the power equipment and the gearbox is located in front of the rear end of the power arm.

In summary, the present utility model includes at least one of the following beneficial technical effects: the cutter power output shaft is located the place ahead of walking power output shaft, and cutter power output shaft is located the below of walking power output shaft for working cutter is less than the walking wheel, is favorable to working cutter to get into earth more deeply when the during operation.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

fig. 2 is a partial cross-sectional view of an embodiment of the present utility model.

Reference numerals illustrate: 1. a power plant; 2. a gearbox; 3. a walking wheel; 4. a working tool; 5. a walking power input shaft; 6. a walking power output shaft; 7. a cutter power input shaft; 8. a cutter power output shaft; 9. a power arm; 10. a connecting arm; 11. a front support plate; 12. a rear support plate; 13. a support; 14. and a handrail frame.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a field management machine.

Referring to fig. 1 and 2, a field manager includes a power plant 1; a gearbox 2 for receiving power from the power plant 1; a travelling wheel 3; a working tool 4; the gearbox 2 transmits power to a walking power output shaft 6 through a walking power input shaft 5 for driving the walking wheels 3 to rotate forwards, and the gearbox 2 transmits power to a cutter power output shaft 8 through a cutter power input shaft 7 for driving the working part to rotate reversely; the cutter power output shaft 8 is positioned in front of the walking power output shaft 6, and the cutter power output shaft 8 is positioned below the walking power output shaft 6; the height difference between the cutter power output shaft 8 and the walking power output shaft 6 ranges from 50 mm to 100mm; the wheelbase between the cutter power output shaft 8 and the walking power output shaft 6 ranges from 300 mm to 600mm; in use, the linear speed of the tip of the blade of the working tool 4 is greater than the travelling speed of the travelling wheel 3. The cutter power output shaft 8 is located the place ahead of walking power output shaft 6, and cutter power output shaft 8 is located the below of walking power output shaft 6 for working cutter 4 is less than walking wheel 3, is favorable to working cutter 4 entering earth more deeply when the during operation.

The walking assembly is provided with a walking part, and the walking part is used for driving the frame assembly to walk; the power equipment 1 transmits power to the walking power output shaft 6 through the gearbox 2 through the walking power input shaft 5 for driving the walking part to rotate, and transmits power to the cutter power output shaft 8 through the gearbox 2 through the cutter power input shaft 7 for driving the working cutter 4 to rotate.

The power plant 1 serves as a power source, and in the present embodiment, the power plant 1 is an engine. The power equipment 1 is provided with a power output shaft of the power equipment 1. The transmission 2 has a power input shaft for receiving power of the power output shaft of the power plant 1, and a power output shaft.

The power equipment 1 drives the walking part to rotate forward or reverse through the gearbox 2, the walking power input shaft 5 and the walking power output shaft 6; the power equipment 1 drives the working cutter 4 to rotate forward only, rotate reversely only or can rotate forward or rotate reversely through the gearbox 2, the cutter power input shaft 7 and the cutter power output shaft 8.

The power output shaft of the power equipment 1 is parallel to the power input total shaft and the power output total shaft along the front-back direction.

The power output shaft of the power equipment 1 is positioned on the same vertical plane with the power input total shaft, the power output total shaft, the walking power input shaft 5 and the cutter power input shaft 7.

When the soil is beaten, the power equipment 1 drives the walking part and the working cutter 4 to rotate positively; during ditching, the power equipment 1 drives the walking part to rotate forward and the working cutter 4 to rotate reversely, and the functions of digging soil and ditching are realized by driving the working cutter 4 to rotate forward or rotate reversely, so that the functionality of the field management machine is increased.

For better ditching effect, the linear speed of the tip of the blade of the working tool 4 is greater than the travelling speed of the travelling part when in use.

The frame assembly is used as a frame foundation of the garden management machine, and comprises an armrest frame 14 for bearing the control parts for supporting a user, a bearing frame for bearing the gearbox 2 and a supporting frame for bearing the power equipment 1.

The supporting frame is fixedly arranged in front of the bearing frame, the handrail frame 14 is arranged on the gearbox 2,

the connecting arm 10 is arranged below the bearing frame, the walking power input shaft 5 is arranged in the connecting arm 10, the power arm is arranged obliquely downwards and forwards at the front end of the bearing frame, and the cutter power input shaft 7 is arranged in the power arm. The front end of the power arm is provided with a front supporting plate 11, the rear end is provided with a rear supporting plate 12, the front supporting plate 11 is arranged on two sides of the power arm, the front end of the front supporting plate 11 is fixedly arranged on the supporting frame, the rear end of the front supporting plate 11 is fixedly arranged on the power arm to form a support for the power equipment 1, the front end of the rear supporting plate 12 is fixedly connected with the power arm, the rear end of the rear supporting plate is fixedly connected with the bearing frame to support the connecting arm 10, and the power equipment 1, the cutter power input shaft 7, the walking power input shaft 5 and the gearbox 2 are integrally formed through the connecting arm 10, the power arm, the front supporting plate 11 and the rear supporting plate 12.

The transmission 2 may be a two-speed transmission 2 or more than two-speed transmission 2 or other prior art transmission configurations, and in this embodiment, the transmission 2 is a three-speed transmission 2.

In the present embodiment, the three-speed gear box 2 includes a box body, a power input main shaft, a counter shaft, and an intermediate shaft;

the power input total shaft is used for receiving the output power of the power equipment 1;

the power input main shaft is provided with a first gear shifting gear and a second gear shifting gear which are axially and slidably driven in the circumferential direction, and the power input main shaft is generally realized in a spline connection mode, and the power input main shaft is not repeated here; the axial sliding can be realized by driving modes in the prior art, such as a shifting fork and other structures, and the description is omitted here;

the auxiliary shaft is provided with a first gear driven gear, a second gear driven gear, a third gear driven gear, a first transmission gear and a power transmission driving gear;

the first-gear driven gear, the second-gear driven gear and the first transmission gear synchronously drive in the circumferential direction, and the third-gear driven gear and the power transmission driving gear synchronously drive;

the intermediate shaft is provided with a second transmission gear and a functional gear, and the second transmission gear and the functional gear synchronously drive in the circumferential direction;

in the embodiment, the power transmission device further comprises a power output total shaft which is arranged front and back, a power transmission driven gear meshed with the power transmission driving gear is arranged on the power output total shaft in a transmission fit manner, and power is respectively output from the front end and the rear end of the power output total shaft; the output power is transmitted to the front and back parts, the front and back parts can be selected as walking parts or working cutters 4, wherein the working cutters 4 can be ditching, weeding, ridging, backfilling and rotary tillage cutters, required cutters and walking parts can be selected according to different needs, the walking parts, tracks or various cutters can be selectively installed, and the two working components can be matched with each other to set different cutters or cutter combinations, so that a garden management machine can realize all functions of basic cultivation at the same time, the requirements of modern agriculture are met, the front and back ends of a power output total shaft output power respectively, and the power output total shaft is arranged at the lower part of a gearbox 2, and the whole structure is simple, compact, coordinated and stable.

The first gear shifting gear can be driven to axially slide to be meshed with or disconnected from the first-gear driven gear or the functional gear, namely, the first gear shifting gear is shifted through the first gear shifting fork and meshed with, disconnected from or not meshed with the first-gear driven gear or the functional gear as required, so that corresponding functions are realized; the functional gear is meshed with the first transmission gear and is used for receiving power transmitted by the meshing of the first transmission gear and transmitting the power to the second transmission gear;

the second gear shifting gear can be driven to axially slide to be engaged with or disengaged from the second gear driven gear or the third gear driven gear, namely, the second gear shifting gear is driven by the gear shifting fork to be engaged with, disengaged from or not engaged with the second gear driven gear or the third gear driven gear, so that corresponding functions are realized;

the second transfer gear is meshed with the power transfer drive gear. The power input main shaft, the auxiliary shaft, the intermediate shaft and the power output main shaft are respectively supported on the box body through bearings.

In the embodiment, the first-gear driven gear, the second-gear driven gear and the first transmission gear form a triple gear and are arranged on the auxiliary shaft in a rotating fit manner, so that synchronous transmission is formed; the three-gear driven gear and the power transmission driving gear are matched and arranged on the auxiliary shaft, so that synchronous transmission is formed.

The power input main shaft is provided with a second gear and a first gear from left to right, the auxiliary shaft is sequentially provided with a third transmission gear, a three-gear driven gear, a second-gear driven gear, a first-gear driven gear and a first transmission gear from left to right, when the power input main shaft is not meshed, the first gear is positioned between the second-gear driven gear and the functional gear, the second gear is positioned between the second-gear driven gear and the third-gear driven gear, and meshing is formed when the power input main shaft is convenient to move.

In this embodiment, the two ends of the auxiliary shaft respectively form a first power transmission end a and a second power transmission end b for outputting power, that is, the two ends of the auxiliary shaft can extend out of the box body, and form the first power transmission end a and the second power transmission end b, so as to expand the output port of the gearbox 2, thereby increasing the working range of the field management machine, such as various functions required by field work, such as rotary tillage, mowing, soil beating, and the like.

In use, the gearbox 2 of the present utility model comprises a power transmission comprising first gear, second gear, third gear and reverse gear, in particular:

first gear transmission route:

the power transmission device comprises a power input main shaft, a first gear shifting gear, a first gear driven gear, a first transmission gear, a functional gear, an intermediate shaft, a second transmission gear, a power transmission driving gear, a power transmission driven gear, a power output main shaft, and power transmission to a cutter power input shaft 7 and a walking power input shaft 5 respectively to finish first gear power transmission;

second gear transmission route:

the power input main shaft, the second gear shifting gear, the second gear driven gear, the first transmission gear, the functional gear, the intermediate shaft, the second transmission gear, the power transmission driving gear, the power transmission driven gear and the power output main shaft, and respectively transmitting power to the cutter power input shaft 7 and the walking power input shaft 5 to finish the second gear power transmission;

three-gear transmission route:

the power input main shaft, the second gear shifting gear, the third-gear driven gear, the auxiliary shaft, the power transmission driving gear, the power transmission driven gear and the power output main shaft, and respectively transmitting power to the cutter power input shaft 7 and the walking power input shaft 5 to finish the third-gear power transmission; the method comprises the steps of carrying out a first treatment on the surface of the

Reverse gear transmission route:

the power input main shaft, the first gear shifting gear, the functional gear, the intermediate shaft, the second transmission gear, the power transmission driving gear, the power transmission driven gear and the power output main shaft, and respectively transmitting power to the cutter power input shaft 7 and the walking power input shaft 5 to finish reverse power transmission;

in the transmission force transmission process of the gear, other gears are disconnected and do not transmit power.

In this embodiment, a shift system is also provided. The gear shifting system comprises a gear shifting plate, a gear shifting rod and a gear shifting fork. Be provided with the gear shift board on the frame assembly, be provided with the gear shift lever in the gear shift board, in this embodiment, offered the gear shift groove that is used for supplying the gear shift lever to remove on the gear shift board.

The baffle plate is provided with a gear shifting groove with an H-shaped cross section; the four ends of the gear shifting groove are respectively and correspondingly provided with a first gear, a second gear, a third gear and a fourth gear along anticlockwise direction from the top of the left end, and the joint of the gear shifting groove is a neutral gear; in this embodiment, the first gear is a reverse gear, the second gear is a first gear, the third gear is a second gear, and the fourth gear is a third gear. The left side of the gear shifting groove is respectively a reverse gear, a neutral gear and a first gear from front to back; the right side is sequentially provided with 2 gears, neutral gear and three gears from front to back. Through this arrangement mode of shifting for when shifting, must hang the neutral gear earlier, improved the security in the gear shifting process, in addition, when shifting arbitrary fender, only need through the neutral gear can switch, for example when shifting to first fender from three keeps off, forward then left then backward can, the in-process of shifting only switches through the neutral gear, guarantee that the gear shifting is more smooth and safe.

In the figure, the reverse gear is numbered-1 on the shift plate, the neutral gear is 0, and the first gear, the second gear and the third gear are respectively corresponding to gears 1, 2 and 3.

In this embodiment, the shift lever is disposed obliquely backward, and the shift lever moves in the shift slot to drive the shift fork one or the shift fork two to move. The power output total shaft is used for transmitting power to the travelling wheel 3 and the working cutter 4, so that synchronous gear shifting of the travelling wheel 3 and the working cutter 4 is realized.

The front end of the box body of the gearbox 2 is provided with a power arm obliquely downwards, a cutter power input shaft 7 is arranged in the power arm, and the combined end face of the box body of the power equipment 1 and the box body of the gearbox 2 is positioned in the power arm.

The front end of the housing of the power plant 1 is located at the rear end of the cutter power take-off shaft 8.

According to the gear arrangement, the gears are transmitted as much as possible to reduce the number of the gears, so that the functions as much as possible are completed, the compactness of the structure of the gearbox 2 is ensured, meanwhile, the transmission efficiency is improved, and the driving energy is saved; in addition, the structure for outputting power is combined with the arrangement of the shaft and the gear, and the mode that the power output total shaft is arranged at the lower part avoids that the multi-shaft structure occupies a larger transverse space, so that the multi-shaft structure can be suitable for a narrower cultivation space; in the whole gearbox 2, the gear shifting can be realized by utilizing two gear shifting gears, parts such as a connector are not needed, and meanwhile, the functional gears simultaneously complete the power transmission and reversing functions, so that the whole gearbox 2 is more compact, and the manufacturing cost is further reduced.

The working cutter 4 is driven by the cutter power output shaft 8, the walking part is driven by the walking power output shaft 6, the rotation speed of the walking power output shaft 6 and the rotation speed of the cutter power output shaft 8 are in a ratio of 1:10-16, and the linear speed of the tip of the blade of the working cutter 4 is greater than the travelling speed of the walking part. In the present embodiment, the rotation speed ratio of the traveling power output shaft 6 to the rotation speed of the cutter power output shaft 8 is about 1:13.

When the soil is positioned in the rotation speed ratio range, the ditching depth is moderate and stable, and the ditched soil can be positioned at two sides of the ditches.

The cutter power input shaft 7 is inclined forward and downward, and the traveling power input shaft 5 may be inclined forward, vertically or backward.

In this embodiment, the angle between the cutter power input shaft 7 and the power output total shaft is adjusted by installing bevel gears of different taper angles. The cutter power input shaft 7 and the power output total shaft are subjected to power transmission and angle adjustment through bevel gears.

In the present embodiment, the cutter power input shaft 7 is provided with a power arm, the cutter power input shaft 7 is coaxially provided in the power arm, and the cutter power input shaft 7 is obliquely provided forward and downward; the walking power input shaft 5 is vertically arranged and transmits power to the walking part, so that the whole length is ensured to be within a set range.

In the present embodiment, the front end of the power output total shaft transmits power to the cutter power input shaft 7, and the rear end transmits power to the walking power input shaft 5.

The front end and the rear end of the power output main shaft are respectively in transmission fit with a first drive bevel gear and a second drive bevel gear correspondingly;

the cutter power input shaft 7 is provided with a cutter power input bevel gear in transmission fit, and the cutter power input bevel gear is meshed with the first drive bevel gear; the walking power input shaft 5 is provided with a working power input bevel gear meshed with the second drive bevel gear in a transmission fit manner and used for transmitting power to the walking part.

In the present embodiment, the working tool 4 is connected with the tool power input shaft 7 through the tool power output shaft 8 horizontally arranged horizontally, the output end of the tool power input shaft 7 is coaxially provided with a tool power output bevel gear, the tool power output shaft 8 is coaxially and fixedly provided with a first power transmission bevel gear, and the first power transmission bevel gear is meshed with the tool power output bevel gear, so that the working tool 4 is driven to rotate.

In this embodiment, the cutter power input shaft 7 includes a cutter first power input shaft and a second power input shaft, a cutter power input bevel gear is provided at an input end of the cutter first power input shaft, and the cutter power output bevel gear is fixedly provided coaxially at an output end of the second power input shaft.

The cutter power input bevel gear is positioned at the outer side of the power arm, the cutter power input bevel gear is supported on the power arm through a first bearing, and the back of the cutter power input bevel gear is abutted against the inner ring of the bearing; the cutter power output bevel gear is positioned at the outer side of the power arm, and is supported on the power arm through a second bearing, and a plurality of second bearings are arranged at intervals along the axial direction of the cutter power output bevel gear.

In the embodiment, the first power input shaft of the cutter is a short shaft with a set length, the short shaft is used for installing the combining claw and the bearing, and the length of the short shaft is less in redundancy after the combining claw and the bearing are installed, so that the centering degree of the first power input shaft of the cutter is convenient to maintain; the cutter second power input shaft is a long shaft, and a cutter power output bevel gear is integrally formed or fixedly matched with the cutter second power input shaft. At least two bearings are arranged on the second power input shaft of the cutter at intervals and used for keeping the centrality of the second power input shaft of the cutter.

In this embodiment, the cutter first power input shaft and the cutter second power input shaft are coaxial and are disconnected or coupled by a clutch assembly.

The clutch assembly comprises a first clutch piece which is arranged on the first power input shaft of the cutter in a transmission fit manner and a second clutch piece which is arranged on the second power input shaft of the cutter in a transmission fit manner;

the first clutch member can be driven to axially slide to be engaged with or disengaged from the second clutch member; alternatively, the second clutch member may be driven to axially slide into and out of engagement with the first clutch member; alternatively, the first clutch member and the second clutch member may be driven to axially slide to engage or disengage the two.

In this embodiment, the second clutch member is driven to axially slide into and out of engagement with the first clutch member

The second clutch member is provided with a driving assembly for driving the second clutch member to approach or depart from the first clutch member.

In this embodiment, the driving assembly adopts a structure of a shift fork and a spring, which is the prior art and is not described in detail herein. In this embodiment, the drive assembly is a handle mounted to the armrest frame 14, and the second clutch member is held to move away from the first clutch member to disengage the two members, and the spring urges the second clutch member toward the first clutch member to engage the two members when the handle is released.

When the garden management machine works, the clutch component is connected with the first power input shaft and the second power input shaft of the cutter, so that the power of the first power input shaft of the cutter is transmitted to the second power input shaft through the clutch component; when the working tool 4 is replaced, the clutch assembly is driven by the driving assembly to separate the second power input shaft of the tool from the first power input shaft of the tool, so that power transmission between the first power input shaft of the tool and the second power input shaft of the tool is interrupted, and the safety is improved.

The cutter power output shaft 8 is horizontally arranged horizontally, a plurality of groups of working cutters 4 can be arranged on the cutter power output shaft 8 along the axial direction, and the cutter power input shaft 7 transmits power to the cutter power output shaft 8 to drive the cutters to rotate.

In the present embodiment, when the cutter power take-off shaft 8 on the left is engaged with the cutter power input bevel gear, the working cutter 4 is reversed, and similarly, when the cutter power take-off shaft 8 on the right is engaged with the cutter power input bevel gear, the working cutter 4 is rotated in the forward direction.

The working tool 4 is detachably arranged on the tool power output shaft 8. In this embodiment, the detachable connection is performed by means of bolts.

The walking part can be a crawler belt and the walking wheel 3 can also be a cutter for working, in the embodiment, the walking part is the walking wheel 3, and the walking wheel 3 comprises a left walking wheel 3 and a right walking wheel 3 which are respectively arranged along the two lateral sides.

In this embodiment, during ditching, two walking wheels 3 are located the axial outside of working tool 4 respectively correspondingly for walking wheel 3 is located the both sides that working tool 4 ditched, does not influence ditching quality.

In this embodiment, the travelling wheels 3 are a pair of travelling wheels 3, and each of the travelling wheels comprises a left travelling wheel 3 and a right travelling wheel 3 which are arranged on the left side and the right side of the frame assembly, a travelling power output bevel gear is arranged at the output end of the travelling power input shaft 5, and a second power transmission bevel gear is arranged on the travelling power output shaft 6, and the two bevel gears are meshed with each other, so that the travelling wheels 3 are driven to move.

The walking power input shaft 5 transmits power to the walking wheel 3 through a walking power output shaft 6 assembly, the walking power output shaft 6 assembly comprises a walking power output left shaft and a walking power output right shaft, a power transmission part is coaxially arranged on the walking power output left shaft or the walking power output right shaft in a rotating fit manner and is used for receiving the power of the walking power input shaft 5, the power transmission part is a bevel gear, and the power transmission part is meshed with the walking power output bevel gear.

The walking power output shaft 6 is provided with a combination assembly, the combination assembly comprises a left combination piece which is in transmission fit with a left walking power output shaft and can be driven to slide along the axial direction, and a right combination piece which is in transmission fit with a right walking power output shaft and can be driven to slide along the axial direction, and the power transmission piece transmits power to the combination assembly or breaks power transmission.

The walking power take-off shaft 6 is provided with the combination drive subassembly that is used for driving the combination subassembly to remove on the subassembly, in this embodiment, adopt the shift fork structure, concrete combination drive subassembly includes walking shift fork and elastic component, the walking shift fork includes left shift fork and right shift fork, left shift fork can be driven drive left combination spare sliding fit set up in walking power take-off left shaft, right shift fork can be driven drive combination spare sliding fit set up in walking power take-off right shaft, left combination spare and right combination spare can be driven by corresponding left shift fork and right shift fork respectively and make it combine or interrupt with the power transmission spare. In this embodiment, the actuating handle is used to drive the left fork or the right fork.

The elastic piece is used for applying outward pretightening force to the left shifting fork and the right shifting fork; or, the elastic member is used for applying outward pretightening force to the left combining member and the right combining member. In this embodiment, the elastic member is used to apply an outward pretightening force to the left fork and the right fork.

When the operating handle is released, the corresponding left or right combining piece transmits power under the action of the elastic piece.

The left walking power output shaft is provided with a shaft neck, the right walking power input shaft is provided with a shaft seat, the power transmission part is provided with a shaft hole, and the shaft neck is arranged in the shaft seat in a transmission fit way through the shaft hole; or the right axle of the walking power output is provided with a journal, the left axle of the walking power input is provided with an axle seat, the power transmission piece is provided with an axle hole, and the journal is arranged in the axle seat in a transmission fit way through the axle hole.

A left limiting shaft shoulder is formed between the end face of the walking power output left shaft and the shaft hole, a right limiting shaft shoulder is formed between the end face of the walking power output right shaft and the shaft hole, and the power transmission piece is limited to the left limiting shaft shoulder and the right limiting shaft shoulder.

The left walking power output shaft is detachably connected with the left walking wheel 3, and the right walking power output shaft is detachably connected with the right walking wheel 3.

In this embodiment, the left coupling member and the right coupling member are clutch pawls, and the end surfaces of the clutch pawls are spline teeth, and power transmission is performed by spline engagement.

The end surfaces of the two ends of the power transmission piece are provided with internal splines, the external splines of the left combining piece and the right combining piece are meshed with the internal splines.

The box body of the gearbox 2 is provided with a mounting bracket, in the embodiment, the armrest bracket is arranged on the mounting bracket in a rotating fit manner, the armrest frame 14 is controlled by the field management machine in use, the front end of the armrest frame 14 is rotationally arranged on the gearbox 2, and the rear end of the armrest frame 14 is arranged on the gearbox 2 in a mode of swinging in the vertical direction and being locked. The mounting bracket is provided with a locking member for restricting rotation of the armrest frame 14.

The gearbox 2 is fixedly provided with a mounting bracket, one end of the mounting bracket is fixedly arranged on the gearbox 2, and the other end of the mounting bracket is used for rotatably mounting the armrest frame 14, so that the armrest frame 14 can swing in the up-down direction and is locked. The installing support is fixed to be set up in the top of gearbox 2, and the front end of installing pole is fixed to be set up in the installing support, rear end slope extension backward upper side. The armrest frame 14 is attached to the upwardly rearward inclined portion of the attachment lever so as to be swingable in the up-down direction and lockable.

The installation pole is fixed to be set up in the front end of installing support, and the rear end of installing support is fixed to be provided with the extension board, and the extension board forms triangle-shaped support to the installation pole.

In the present embodiment, the armrest frame 14 includes a left armrest frame 14 and a right armrest frame 14, the left armrest frame 14 and the right armrest frame 14 are rotatably provided on the left and right sides of the mounting bracket, respectively, and the front ends of the left armrest frame 14 and the right armrest frame 14 are provided on the rearward upper inclined portion of the mounting lever in a swingable and lockable manner in the up-down direction by end face ratchets, thereby adjusting the height position of the armrest frame 14. The end surfaces on the left and right handrail frames 14 and 14 are provided with ratchets, and the end surface of the mounting rod is also provided with ratchets, which are engaged with each other, thereby restricting the rotation angles of the left and right handrail frames 14 and 14.

In this embodiment, the locking member includes a bolt and a nut, the nut is disposed on the right armrest frame 14, the bolt passes through the left armrest frame 14 to be in threaded connection with the nut, and the tightening degree between the armrest frame 14 and the mounting bracket is changed by adjusting the threaded positions of the bolt and the nut, so as to adjust or fix the armrest frame 14.

A bearing plate is arranged between the left handrail frame 14 and the right handrail frame 14, and a start-stop rod for controlling the start and stop of the engine is arranged on the bearing plate.

The armrest frame 14 is provided with a start-stop rod for operating the start-stop of the power equipment 1 and an operating handle for controlling the left and right steering of the field management machine. The two control handles are respectively arranged on the left handrail frame 14 and the right handrail frame 14, and are connected with the corresponding left shifting fork or right shifting fork through a pull wire to control the corresponding left shifting fork or right shifting fork to move.

The armrest frame 14 is arranged on the box body of the gearbox 2 in a rotating fit way, and the middle hollow of the armrest frame 14 is used for the gear level to pass through.

The baffle is fixed to be set up in the backward upper tilting part of installation pole, and the cooperation of shifting inslot walking is provided with and is used for the gear level.

A middle hollow is formed between the left armrest frame 14 and the right armrest frame 14 for the gear shift lever to pass through.

The support frame for carrying the power equipment 1 is fixedly arranged on the power arm 9 through a support piece 13, and the cutter power input shaft 7 is obliquely arranged forward and downward. By adopting the frame arrangement structure, the overall height of the field management machine is lower, the gravity center is lowered, and the stability of the field management machine in the running process is improved; meanwhile, when the power equipment 1 operates, vibration generated by self operation acts on the cutter power input shaft 7 through the supporting piece 13 and acts on the working cutter 4 through the cutter power input shaft 7, so that the ditching effect is improved.

In this embodiment, the walking power take-off shaft 6 is located above the cutter power take-off shaft 8 and the difference in height between the two ranges from 50 to 100mm.

In this embodiment, the wheelbase between the cutter power take-off shaft 8 and the walking power take-off shaft 6 is in the range 300-600mm.

In the present embodiment, the joint end face of the power plant 1 and the transmission 2 is located in front of the rear end of the power arm.

In the present embodiment, the running part is provided rearward with respect to the working tool 4 and below the transmission case 2.

In this embodiment, still include the resistance bar, at the rear end integrated into one piece of carrier and the front end integrated into one piece's of support frame installation department, when the resistance bar set up in the installation department of the front end of support frame, the resistance bar inverts and makes supporting wheel and ground contact, and is located the front end of work utensil, form the three-point support through running part and supporting wheel, thereby drive the garden management machine and remove, the resistance bar sets up when the installation department of the rear end of carrier, the resistance bar is just put and is made the bending part and contact with soil, carry out the rotary tillage.

The resistance bar is arranged on the installation part in a sliding fit manner along the vertical direction, and a limiting piece is arranged on the installation part and used for limiting the resistance bar to slide in the installation part. In this embodiment, the locating part is the bolt, and the spacing is equipped with a plurality of jacks along its length direction interval on the resistance stick, installs the bolt on the installation department, and the bolt is through inserting the jack of establishing in the different positions of resistance stick to change the distance that the bottom of resistance stick stretches out from the installation department to adjust the degree of depth of rotary tillage.

In this embodiment, install the installation department normal running fit setting in the rear end of bearing frame in bearing frame, can follow horizontal reciprocal rotation, when the resistance bar is installed in the rear end of frame assembly, through rotating the installation department, realize the diversification of resistance bar rotary tillage, the rotary tillage is more convenient.

The frame assembly is provided with a limiting piece for limiting the rotation of the rear end installation part. In this embodiment, the limiting member is a bolt, and the mounting portion is rotated or fixed by adjusting the locking degree of the bolt between the frame assemblies.

The supporting wheel is detachably connected with the resistance bar. In this embodiment, the supporting wheel is provided with a clamping portion, the clamping portion is clamped with one end of the resistance bar, and the clamping portion is fixedly arranged at the end of the resistance bar through a bolt.

The installation part at the rear end of the bearing frame is detachably provided with a storage basket. The storage basket is used for placing various cutters or parts and the like, when the resistance rod is installed at the front end of the frame assembly, the supporting wheel is in contact with the ground, the storage basket is installed at the installation part of the rear end, and when the field management machine is moved, the cutters or the parts and the like are placed in the storage basket, so that the storage basket is more convenient to carry.

In this embodiment, the front end is the direction of advance of the field manager.

In this embodiment, the support wheel is a universal wheel.

Example 2

The present embodiment is different from embodiment 1 in that the inclination angle of the cutter power input shaft 7 is adjustable.

In the embodiment, only a first drive bevel gear is coaxially and fixedly arranged on the power output total shaft, and a cutter power input bevel gear is coaxially and fixedly arranged on the cutter power input shaft 7;

the cutter power input bevel gear is in transmission engagement with the first drive bevel gear through an intermediate bevel gear;

the cutter power input bevel gear changes the angle between the cutter power input bevel gear and the first drive bevel gear by meshing at different positions on the intermediate bevel gear in the circumferential direction.

In this embodiment, an intermediate bevel gear is located at the forward end of the main power take-off shaft for engagement with the cutter power input bevel gear and the first drive bevel gear.

The range of the adjustable angle alpha between the cutter power input shaft 7 and the walking power input shaft 5 is enlarged, and the adaptability is stronger.

In this embodiment, the cutter power input shaft 7 is inclined by an angle α in the range of 90 ° to 170 °.

Example 3

The present embodiment is different from embodiment 1 in that the inclination angle of the traveling power input shaft 5 is adjustable.

In this embodiment, the intermediate bevel gears are located at the front end and the rear end of the power take-off main shaft, respectively, the intermediate bevel gear located at the front end is used to engage with the cutter power input bevel gear and the first drive bevel gear, and the intermediate bevel gear located at the rear end is used to engage with the traveling power input bevel gear and the second drive bevel gear.

In other embodiments, the intermediate bevel gear is located at the front end and the rear end of the power output main shaft respectively, the intermediate bevel gear located at the front end is used for being meshed with the cutter power input bevel gear and the first drive bevel gear, the power output main shaft is meshed with the power output intermediate shaft through gear transmission, the drive bevel gear is coaxially and fixedly arranged on the power output intermediate shaft, and the intermediate bevel gear located at the rear end is used for being meshed with the walking power input bevel gear and the second drive bevel gear.

In the present embodiment, the inclination angles of the cutter power input shaft 7 and the travel power input shaft 5 are both adjustable.

In this embodiment, the cutter power input shaft 7 is adjusted in the same manner as in embodiment 2.

In other embodiments, the inclination angle of the travel power input shaft 5 may be adjustable only, and the inclination angle of the tool power input shaft 7 may not be adjustable.

The inclination angles of the walking power input shaft 5 and the cutter power input shaft 7 may be both adjustable, but the inclination angle of the cutter power input shaft 7 may be adjusted by installing bevel gears of different angles, as in the adjustment mode of the inclination angle of embodiment 1.

The inclination angle beta of the walking power input shaft 5 ranges from 70 degrees to 150 degrees.

Example 4

This embodiment differs from embodiments 1, 2, 3 in that the cutter power input shaft 7 is of a chain transmission structure.

In the present embodiment, the inclination angle adjustment modes of the cutter power input shaft 7 and the traveling power input shaft 5 may be any one of the adjustment modes of embodiments 1, 2, and 3.

In this embodiment, the cutter power input bevel gear is coaxially provided with a rotation shaft, the rotation shaft and the cutter power output shaft 8 are both coaxially provided with a sprocket, the sprocket is provided with a chain, and the sprocket is driven to rotate by the rotation of the cutter power input bevel gear, so that the cutter power output shaft 8 is driven to rotate by the chain.

In the present embodiment, the inclination angle of the cutter power input shaft 7 is adjustable.

Example 5

The present embodiment is different from embodiments 1, 2, 3, 4 in that the traveling power input shaft 5 is also of a chain transmission structure.

In the present embodiment, the chain transmission structure of embodiment 4 is applied to the traveling power input shaft 5 such that the cutter power input shaft 7 is a bevel shaft transmission and the traveling power input shaft 5 is a chain transmission.

In other embodiments, the cutter power input shaft 7 and the travel power input shaft 5 may each be a chain transmission structure.

Example 6

The present embodiment is different from embodiment 1 in that the working tool 4 can be driven to rotate forward or backward.

In this embodiment, two first power transmission bevel gears are disposed left and right along an axial mirror image of the cutter power output shaft 8, the first power transmission bevel gears disposed left and right in a mirror image manner can be operated to be engaged with the cutter power output bevel gears respectively, and the operation mode is in the prior art.

In this embodiment, either the left or right first power bevel gears have and only one of them is engaged with the cutter power output bevel gear.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A field management machine, characterized in that: comprising the following steps:

a power plant;

a gearbox for receiving power from the power plant;

a walking wheel;

a working tool;

2. The garden supervisor according to claim 1, wherein: the inclination angle of the walking power input shaft is adjustable.

3. The garden supervisor according to claim 1, wherein: the inclination angle of the cutter power input shaft is adjustable, and the inclination angle ranges from 90 to 170.

4. The garden supervisor according to claim 1, wherein: the gearbox is a three-gear gearbox.

5. The garden supervisor according to any of claims 1-4, wherein: the cutter power input shaft may be manipulated to combine power transfer or to break power transfer.

6. The garden supervisor according to claim 5, wherein: the walking wheels are arranged in the width direction of the field management machine, and the two walking wheels are respectively and correspondingly positioned on the outer side of the axial direction of the working cutter.

7. The garden supervisor according to claim 1, wherein: the novel hand rest is characterized by further comprising a hand rest frame, wherein the hand rest frame is arranged at the rear end of the top of the gearbox in a mode of being capable of swinging in the up-down direction and being locked.

8. The garden supervisor according to claim 1, wherein: the front end of the gearbox is fixedly provided with a power arm, the cutter power input shaft is arranged in the power arm, and the power arm is fixedly connected to a shell of the power equipment through a supporting piece.

9. The garden supervisor according to claim 8, wherein: still including setting up in the linking arm of gearbox below, walking power output shaft normal running fit sets up in the linking arm, the front end of power arm is provided with preceding backup pad, rear end is provided with the back backup pad, preceding backup pad is used for supporting power equipment, the back backup pad is used for supporting the linking arm.

10. The garden supervisor according to claim 1, wherein: the combined end face of the power equipment and the gearbox is positioned in front of the rear end of the power arm.