CN220416128U

CN220416128U - Power output mechanism for adjusting height of field management machine

Info

Publication number: CN220416128U
Application number: CN202321447246.4U
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 power output mechanism for adjusting the height of a field management machine, which comprises a power output total shaft, a power output control mechanism and a power output control mechanism, wherein the power output total shaft is used for receiving power and is arranged along the front-rear direction; a tool power input shaft for transmitting power to the working tool; a walking power input shaft for transmitting power to the work assembly; the front end and the rear end of the power output main shaft are provided with driving bevel gears, the cutter power input shaft and the walking power input shaft are provided with driven bevel gears, and the driven bevel gears are in transmission engagement with the driving bevel gears through intermediate bevel gears; the driven bevel gear changes the angle between the driven bevel gear and the drive bevel gear by meshing with different positions on the intermediate bevel gear in the circumferential direction. The angle between the driven bevel gear and the driving bevel gear is changed through meshing different positions of the driven bevel gear on the middle bevel gear along the circumferential direction, so that the angle between the power output total shaft and the power input shaft is convenient to adjust.

Description

Power output mechanism for adjusting height of field management machine

Technical Field

The utility model relates to the technical field of agricultural equipment, in particular to a power output mechanism for adjusting the height of a field management machine.

Background

At present, some farm machinery equipment is provided with a power assembly and two output shafts, the two output shafts are connected with one working equipment, power is transmitted to the output shafts through the power assembly so as to drive the working equipment to operate, some farm equipment needs to adjust the distance between the two working equipment due to functional requirements, at present, the processing method is to customize bevel gears with different cone angles, the power output end of the power equipment is transmitted to the output shafts through the bevel gears, and the distance between the bevel gears with different cone angles is changed by installing the bevel gears with different cone angles, so that at least two problems are generated.

Disclosure of Invention

In view of the above, the present utility model provides a power take-off mechanism for adjusting the height of a garden supervisor, which can adjust the angle between the output shaft and the power assembly.

The utility model provides a power output mechanism for adjusting the height of a field management machine, which adopts the following technical scheme:

a power take off mechanism for adjusting the height of a garden supervisor, comprising:

the power output total shaft is used for receiving power and is arranged along the front-rear direction;

a tool power input shaft for transmitting power to the working tool;

a walking power input shaft for transmitting power to the work assembly;

the front end and the rear end of the power output main shaft are provided with driving bevel gears, the cutter power input shaft and the walking power input shaft are provided with driven bevel gears, and the driven bevel gears are in transmission engagement with the driving bevel gears through intermediate bevel gears;

the driven bevel gear changes the angle between the driven bevel gear and the drive bevel gear by meshing with different positions on the intermediate bevel gear in the circumferential direction.

Optionally, the inclination angle of the cutter power input shaft is adjustable; or, the inclination angles of the cutter power input shaft and the walking power input shaft are adjustable.

Optionally, the intermediate bevel gear is located at the front end of the power take-off main shaft for engagement with the first power input bevel gear and the drive bevel gear.

Optionally, the intermediate bevel gears are respectively located at the front end and the rear end of the power output main shaft, the intermediate bevel gear located at the front end is used for being meshed with the first power input bevel gear and the drive bevel gear, and the intermediate bevel gear located at the rear end is used for being meshed with the second power input bevel gear and the drive bevel gear.

Optionally, the intermediate bevel gear is located the front end and the rear end of power take-off jackshaft respectively, and the intermediate bevel gear that is located the front end is used for with first power input bevel gear and initiative bevel gear meshing, the power take-off jackshaft has the power take-off jackshaft through gear drive meshing, initiative bevel gear coaxial fixed arrangement is in the power take-off jackshaft, the intermediate bevel gear that is located the rear end is used for with second power input bevel gear and initiative bevel gear meshing.

Optionally, the walking power input shaft transmits power to the walking wheels through a bevel shaft transmission or chain transmission structure.

Optionally, the cutter power input shaft transmits power to the working cutter through a bevel shaft transmission or chain transmission structure.

Optionally, the cutter power input shaft is inclined by an angle alpha in the range of 90 deg. -170 deg..

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

In summary, the present utility model includes at least one of the following beneficial technical effects: the angle between the driven bevel gear and the driving bevel gear is changed through meshing different positions of the driven bevel gear on the middle bevel gear along the circumferential direction, so that the angle between the power output total shaft and the power input shaft is convenient to adjust.

Drawings

FIG. 1 is a schematic diagram of an overall architecture of an embodiment of the present utility model applied to a field manager;

FIG. 2 is a schematic illustration of an embodiment of the present utility model in which the cutter power input shaft is adjustable;

FIG. 3 is a schematic illustration of an embodiment of the present utility model in which both the cutter power input shaft and the travel power input shaft are adjustable;

FIG. 4 is a schematic illustration of an embodiment of the present utility model wherein the cutter power input shaft is of a chain drive configuration and the cutter power input shaft is adjustable;

fig. 5 shows an embodiment of the present utility model in which both the cutter power input shaft and the travel power input shaft are of a chain drive configuration and both the cutter power input shaft and the travel power input shaft are adjustable.

Reference numerals illustrate: 1. a power plant; 2. a gearbox; 3. a power output total shaft; 4. a walking power input shaft; 5. a cutter power input shaft; 6. a drive bevel gear; 7. a driven bevel gear; 8. an intermediate bevel gear; 9. a working tool; 10. a walking wheel; 11. and a power output intermediate shaft.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a power output mechanism for adjusting the height of a field management machine.

Referring to fig. 1 to 5, a power output mechanism for adjusting the height of a field manager includes a power output shaft 3 for receiving power, the power output shaft 3 being disposed in a front-rear direction; a tool power input shaft 5 for transmitting power to a working tool 9; a traveling power input shaft 4 for transmitting power to the working assembly; the front end and the rear end of the power output main shaft 3 are provided with a driving bevel gear 6, the cutter power input shaft 5 and the walking power input shaft 4 are provided with driven bevel gears 7, and the driven bevel gears 7 are in transmission engagement with the driving bevel gears 6 through an intermediate bevel gear 8; the driven bevel gear 7 changes the angle between the driven bevel gear 7 and the drive bevel gear 6 by meshing with different positions on the intermediate bevel gear 8 in the circumferential direction. By means of the driven bevel gear 7, through meshing with the intermediate bevel gear 8 at different positions in the circumferential direction, the angle between the driven bevel gear 7 and the drive bevel gear 6 is changed, and the angle between the power output total shaft 3 and the power input shaft is convenient to adjust.

The present utility model is applied to a field manager, and in this embodiment, the drive bevel gear 6 mounted on the front end of the total power take-off shaft 3 is a first drive bevel gear 6, and the drive bevel gear 6 mounted on the rear end of the total power take-off shaft 3 is a second drive bevel gear 6. The driven bevel gear 7 mounted on the cutter power input shaft 5 is a cutter power input bevel gear, and the driven bevel gear 7 mounted on the traveling power input shaft 4 is a traveling power input bevel gear.

The garden management machine comprises a frame assembly, a walking assembly, a working cutter 9, a walking power input shaft 4, a cutter power input shaft 5, a walking power output shaft, a cutter power output shaft and power equipment 1, wherein 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 a walking power output shaft through a walking power input shaft 4 through a gearbox 2 for driving the walking part to rotate, and transmits power to a cutter power output shaft through a cutter power input shaft 5 through the gearbox 2 for driving the working cutter 9 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 gearbox 2 has a total power input shaft for receiving power from the power take-off shaft of the power plant 1 and a total power take-off shaft 3.

The power equipment 1 drives the walking part to rotate forward or reverse through the gearbox 2, the walking power input shaft 4 and the walking power output shaft; the power equipment 1 drives the working cutter 9 to rotate forward only, rotate reversely only or can rotate forward or rotate reversely through the gearbox 2, the cutter power input shaft 5 and the cutter power output shaft.

The power output shaft of the power equipment 1 is parallel to the power input total shaft and the power output total shaft 3 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 3, the walking power input shaft 4 and the cutter power input shaft 5.

When the soil is beaten, the power equipment 1 drives the walking part and the working cutter 9 to rotate positively; during ditching, the power equipment 1 drives the walking part to rotate forward and the working cutter 9 to rotate reversely, and the functions of digging soil and ditching are realized by driving the working cutter 9 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 9 is greater than the travelling speed of the travelling part when in use.

The frame assembly is used as a frame body foundation of the garden management machine, and comprises an armrest frame 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 is arranged on the gearbox 2,

the connecting arm is arranged below the bearing frame, the walking power input shaft 4 is arranged in the connecting arm, the power arm is arranged obliquely downwards and forwards at the front end of the bearing frame, and the cutter power input shaft 5 is arranged in the power arm. The front end of power arm is provided with preceding backup pad, the rear end is provided with the back backup pad, preceding backup pad sets up in the both sides of power arm, the front end of preceding backup pad is fixed to be set up in the support frame, the rear end is fixed to be set up in the power arm, form and support power equipment 1, the front end and the power arm fixed connection of back backup pad, rear end and bearing frame fixed connection for support the linking arm, through the linking arm, the power arm, preceding backup pad and back backup pad form a whole with power equipment 1, cutter power input shaft 5, the support body between walking power input shaft 4 and the gearbox 2, improve holistic bearing capacity, improve the steadiness.

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 3 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 3 in a transmission fit manner, and power is respectively output from the front end and the rear end of the power output total shaft 3; 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 9, wherein the working cutters 9 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 the power output total shaft 3 output power respectively, and the power output total shaft is arranged at the lower part of the gearbox 2.

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 3 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 3, and power is respectively transmitted to a cutter power input shaft 5 and a walking power input shaft 4 to finish first gear power transmission;

second gear transmission route:

the power transmission device comprises a power input main shaft, a second gear shifting gear, a second 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 3, and power is respectively transmitted to a cutter power input shaft 5 and a walking power input shaft 4 to finish 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 3, and respectively transmitting power to the cutter power input shaft 5 and the walking power input shaft 4 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 3, and respectively transmitting power to the cutter power input shaft 5 and the walking power input shaft 4 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 3 is used for transmitting power to the travelling wheels 10 and the working cutters 9, so that synchronous gear shifting of the travelling wheels 10 and the working cutters 9 is realized.

The front end of the box body of the gearbox 2 is provided with a power arm obliquely downwards, the cutter power input shaft 5 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 box body of the power equipment 1 is positioned at the rear end of the cutter power output shaft.

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 gears, and the mode that the power output main shaft 3 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 9 is driven by a cutter power output shaft, the walking part is driven by a walking power output shaft, the speed ratio of the rotating speed of the walking power output shaft to the rotating speed of the cutter power output shaft is 1:10-16, and the linear speed of the tip of the blade of the working cutter 9 is greater than the travelling speed of the walking part. In this embodiment, the rotation speed ratio of the traveling power output shaft to the rotation speed of the cutter power output shaft 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 5 is inclined forward and downward, and the traveling power input shaft 4 may be inclined forward, vertically or backward.

In the present embodiment, the angle between the cutter power input shaft 5 and the power output main shaft 3 is adjusted by installing bevel gears of different taper angles. The cutter power input shaft 5 and the power output total shaft 3 perform power transmission and angle adjustment through bevel gears.

In the present embodiment, the cutter power input shaft 5 is provided with a power arm, the cutter power input shaft 5 is coaxially provided in the power arm, and the cutter power input shaft 5 is obliquely provided forward and downward; the walking power input shaft 4 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 total power output shaft 3 transmits power to the cutter power input shaft 5, and the rear end transmits power to the traveling power input shaft 4.

The front end and the rear end of the power output main shaft 3 are respectively in transmission fit with a first drive bevel gear 6 and a second drive bevel gear 6;

the cutter power input shaft 5 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 6; the walking power input shaft 4 is provided with a working power input bevel gear meshed with the second drive bevel gear 6 in a transmission fit manner and used for transmitting power to the walking part.

In the embodiment, the working cutter 9 is connected with the cutter power input shaft 5 through a cutter power output shaft transversely arranged along the horizontal direction, the cutter power output bevel gear is coaxially arranged at the output end of the cutter power input shaft 5, the cutter power output shaft is coaxially and fixedly provided with a first power transmission bevel gear, and the first power transmission bevel gear is meshed with the cutter power output bevel gear, so that the working cutter 9 is driven to rotate.

In this embodiment, the cutter power input shaft 5 includes a cutter first power input shaft and a second power input shaft, a cutter power input bevel gear is disposed at an input end of the cutter first power input shaft, and the cutter power output bevel gear is coaxially and fixedly disposed 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 driving assembly is a handle, the handle is mounted on the handrail frame, the second clutch member is held to move away from the first clutch member to separate the second clutch member from the first clutch member, and the spring drives the second clutch member to move closer to the first clutch member to combine the second clutch member with the first clutch member.

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 9 is replaced, the clutch assembly is driven by the driving assembly to separate the cutter second power input shaft from the cutter first power input shaft, so that power transmission between the cutter first power input shaft and the cutter second power input shaft is interrupted, and the safety is improved.

The cutter power output shaft is horizontally arranged horizontally, a plurality of groups of working cutters 9 can be arranged on the cutter power output shaft along the axial direction, and the cutter power input shaft 5 transmits power to the cutter power output shaft to drive the cutters to rotate.

In the present embodiment, when the cutter power output shaft on the left is engaged with the cutter power input bevel gear, the working cutter 9 is reversed, and similarly, when the cutter power output shaft on the right is engaged with the cutter power input bevel gear, the working cutter 9 is rotated in the forward direction.

The working tool 9 is detachably arranged on the tool power output shaft. In this embodiment, the detachable connection is performed by means of bolts.

The walking part can be a crawler belt and the walking wheel 10 or a cutter for working, in the embodiment, the walking part is the walking wheel 10, and the walking wheel 10 comprises a left walking wheel 10 and a right walking wheel 10 which are respectively arranged at two sides along the transverse direction.

In this embodiment, when ditching, two walking wheels 10 are located the axial outside of working tool 9 respectively correspondingly for walking wheel 10 is located the both sides of working tool 9 ditching, does not influence ditching quality.

In this embodiment, the travelling wheels 10 are a pair of travelling wheels 10, and each of the travelling wheels includes a left travelling wheel 10 and a right travelling wheel 10 disposed on the left and right sides of the frame assembly, a travelling power output bevel gear is disposed at an output end of the travelling power input shaft 4, and a second power transmission bevel gear is disposed on the travelling power output shaft, and the two bevel gears are engaged with each other, so as to drive the travelling wheels 10 to move.

The walking power input shaft 4 transmits power to the walking wheel 10 through a walking power output shaft assembly, the walking power output shaft 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 4, 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 is provided with a combination assembly, the combination assembly comprises a left combination piece which is in transmission fit with the walking power output left shaft and can be driven to slide along the axial direction, and a right combination piece which is in transmission fit with the walking power output right 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 output shaft assembly is provided with a combined driving assembly for driving the combined assembly to move, in the embodiment, a shifting fork structure is adopted, the combined driving assembly comprises a walking shifting fork and an elastic piece, the walking shifting fork comprises a left shifting fork and a right shifting fork, the left shifting fork can be driven to drive the left combined piece to be in sliding fit with a left walking power output shaft, the right shifting fork can be driven to drive the combined piece to be in sliding fit with a right walking power output shaft, and the left combined piece and the right combined piece can be driven by the corresponding left shifting fork and right shifting fork to be combined or interrupted with a power transmission piece. 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 10, and the right walking power output shaft is detachably connected with the right walking wheel 10.

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.

Be provided with the installing support on the box of gearbox 2, in this embodiment, handrail support normal running fit sets up on the installing support, and the handrail frame, during the use, controls the garden supervisor, and the front end rotation of handrail frame sets up in gearbox 2 for but the rear end of handrail frame sets up in gearbox 2 with the mode of upper and lower direction swing and by the locking. The mounting bracket is provided with a locking piece for limiting the rotation of the armrest frame.

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 handrail frame, so that the handrail frame 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 is mounted on the backward upward inclined part of the mounting rod in a manner of swinging along the up-down direction and being locked.

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 this embodiment, the armrest frame includes a left armrest frame and a right armrest frame, which are rotatably provided on the left and right sides of the mounting bracket, respectively, and the front ends of the left armrest frame and the right armrest frame are provided on the rearward upper inclined portion of the mounting lever in a manner that they can swing in the up-down direction and be locked by end face ratchets, thereby adjusting the height position of the armrest frame. The end faces on the left handrail frame and the right handrail frame are provided with ratchets, the end face of the mounting rod is also provided with ratchets, and the ratchets are meshed with each other, so that the rotation angles of the left handrail frame and the right handrail frame are limited.

In this embodiment, the retaining member includes bolt and nut, and the nut sets up in right handrail frame, and the bolt passes left handrail frame and nut threaded connection, through adjusting the screw thread position of bolt and nut, changes the tight degree of support between handrail frame and the installing support to adjust or fix handrail frame.

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

The armrest frame 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 and the right handrail frame, 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 is arranged on the box body of the gearbox 2 in a rotating fit way, and the middle hollow of the armrest frame is used for the gear shift lever 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 part is formed between the left armrest frame and the right armrest frame and is used for the gear shift lever to pass through.

The support frame for carrying the power equipment 1 is fixedly arranged on the support arm through a support piece, and the cutter power input shaft 5 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 5 through the supporting piece and acts on the working cutter 9 through the cutter power input shaft 5, so that the ditching effect is improved.

In the embodiment, the walking power output shaft is positioned above the cutter power output shaft, and the height difference of the walking power output shaft and the cutter power output shaft is in the range of 50-100mm.

In this embodiment, the wheelbase between the cutter power take-off shaft and the walk power take-off shaft is in the range of 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 9 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 5 is adjustable.

In the embodiment, only a first drive bevel gear 6 is coaxially and fixedly arranged on the power output total shaft 3, and a cutter power input bevel gear is coaxially and fixedly arranged on the cutter power input shaft 5;

the cutter power input bevel gear is in transmission engagement with the first drive bevel gear 6 through an intermediate bevel gear 8;

the cutter power input bevel gear changes the angle between the cutter power input bevel gear and the first drive bevel gear 6 by meshing at different positions on the intermediate bevel gear 8 in the circumferential direction.

In the present embodiment, an intermediate bevel gear 8 is located at the front end of the power take-off main shaft 3 for engagement with the cutter power input bevel gear and the first drive bevel gear 6.

The range of the adjustable angle alpha between the cutter power input shaft 5 and the walking power input shaft 4 is enlarged, and the adaptability is stronger.

In this embodiment, the cutter power input shaft 5 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 4 is adjustable.

In the present embodiment, the intermediate bevel gears 8 are located at the front and rear ends of the power take-off main shaft 3, respectively, the intermediate bevel gears 8 located at the front end are used to mesh with the cutter power input bevel gears and the first drive bevel gears 6, and the intermediate bevel gears 8 located at the rear end are used to mesh with the traveling power input bevel gears and the second drive bevel gears 6.

In other embodiments, the intermediate bevel gears 8 are respectively located at the front end and the rear end of the power output main shaft 3, the intermediate bevel gears 8 located at the front end are used for being meshed with the cutter power input bevel gears and the first drive bevel gears 6, the power output main shaft 3 is meshed with the power output intermediate shaft 11 through gear transmission, the drive bevel gears 6 are coaxially and fixedly arranged on the power output intermediate shaft 11, and the intermediate bevel gears 8 located at the rear end are used for being meshed with the walking power input bevel gears and the second drive bevel gears 6.

In the present embodiment, the inclination angles of the cutter power input shaft 5 and the walk power input shaft 4 are both adjustable.

In this embodiment, the cutter power input shaft 5 is adjusted in the same manner as in embodiment 2.

In other embodiments, only the inclination angle of the traveling power input shaft 4 may be adjustable, and the inclination angle of the tool power input shaft 5 may not be adjustable.

The inclination angles of the walking power input shaft 4 and the cutter power input shaft 5 may be adjustable, but the inclination angle of the cutter power input shaft 5 may be adjusted by installing bevel gears with different angles, as in the adjustment mode of the inclination angle of embodiment 1.

The inclination angle beta of the walking power input shaft 4 ranges from 70 degrees to 150 degrees.

Example 4

This embodiment differs from embodiments 1, 2, 3 in that the cutter power input shaft 5 is of a chain transmission structure.

In the present embodiment, the inclination angle adjustment modes of the cutter power input shaft 5 and the traveling power input shaft 4 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 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 is driven to rotate by the chain.

In the present embodiment, the inclination angle of the cutter power input shaft 5 is adjustable.

Example 5

The present embodiment is different from embodiments 1, 2, 3, 4 in that the traveling power input shaft 4 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 4 such that the cutter power input shaft 5 is a bevel shaft transmission and the traveling power input shaft 4 is a chain transmission.

In other embodiments, the cutter power input shaft 5 and the travel power input shaft 4 may each be a chain transmission structure.

Example 6

The present embodiment is different from embodiment 1 in that the working tool 9 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, the two first power transmission bevel gears disposed left and right in mirror image are capable of being operated to be engaged with the cutter power output bevel gears respectively, and an 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 power take off mechanism for adjusting garden supervisor height, its characterized in that: comprising the following steps:

a tool power input shaft for transmitting power to the working tool;

a walking power input shaft for transmitting power to the work assembly;

2. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 1, wherein: the inclination angle of the cutter power input shaft is adjustable; or, the inclination angles of the cutter power input shaft and the walking power input shaft are adjustable.

3. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the intermediate bevel gear is positioned at the front end of the power output main shaft and is used for being meshed with the first power input bevel gear and the drive bevel gear.

4. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the middle bevel gear is respectively positioned at the front end and the rear end of the power output main shaft, the middle bevel gear positioned at the front end is used for being meshed with the first power input bevel gear and the driving bevel gear, and the middle bevel gear positioned at the rear end is used for being meshed with the second power input bevel gear and the driving bevel gear.

5. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the middle bevel gear is positioned at the front end and the rear end of the power output main shaft respectively, the middle bevel gear positioned at the front end is used for being meshed with the first power input bevel gear and the drive bevel gear, the power output main shaft is meshed with the power output middle shaft through gear transmission, the drive bevel gear is coaxially and fixedly arranged on the power output middle shaft, and the middle bevel gear positioned at the rear end is used for being meshed with the second power input bevel gear and the drive bevel gear.

6. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the walking power input shaft transmits power to the walking wheels through an inclined shaft transmission or chain transmission structure.

7. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the cutter power input shaft transmits power to the working cutter through an inclined shaft transmission or chain transmission structure.

8. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the inclination angle alpha of the cutter power input shaft ranges from 90 degrees to 170 degrees.

9. The power take off mechanism for adjusting the height of a garden supervisor as set forth in claim 2, wherein: the inclination angle beta of the walking power input shaft ranges from 70 degrees to 150 degrees.