CN211710942U

CN211710942U - Four-wheel single-power traction machine with adjustable spacing

Info

Publication number: CN211710942U
Application number: CN202020171734.7U
Authority: CN
Inventors: 杨宪杰; 杨震; 张继磊
Original assignee: Shandong Chixiang Machinery Technology Co ltd
Current assignee: Shandong Chixiang Machinery Technology Co ltd
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-10-20
Anticipated expiration: 2030-02-15

Abstract

The utility model discloses a four-wheel double-power cane harvester, which is provided with a bogie hinged at the front end of a frame body and two steering driving cylinders matched to realize steering driving; the utility model discloses be provided with the expansion bracket on bogie and rear wheel mount, it realizes the transverse drive to the expansion bracket through the transverse drive jar, moreover, the utility model discloses an adopt the spline combination to connect front and back wheel and drive shaft or universal driving shaft, can realize stable drive when the expansion bracket lateral shifting. To sum up, the utility model discloses an above improvement, it can realize carrying out the width modulation with the horizontal shrink of four-wheel structure to different ridge intervals, is applicable to the operation of different landmasses, simultaneously, the utility model discloses a four-wheel structure, stability is high, is the four-wheel single power traction machinery of the adjustable interval of an ideal.

Description

Four-wheel single-power traction machine with adjustable spacing

Technical Field

The utility model belongs to the technical field of agricultural machine, concretely relates to four-wheel single power traction machinery of adjustable interval.

Background

It is known that in the existing traction machines such as tractors, tricycles, etc., the wheels are all non-adjustable with fixed spacing. Although the wheel spacing of some tractors is adjustable, the adjustment is very troublesome, and the installation mode of a rim spoke plate needs to be adjusted, so that the wheel spacing is adjusted in a stepped manner, the adjustment is troublesome, and the adjustment of any wheel spacing cannot be realized.

With the development of agricultural science and technology and the improvement of requirements on traction machinery, the traction machinery with fixed wheel spacing cannot meet the requirements of people on actual production, for example, when in cultivation, in order to avoid partial traction, a narrower wheel spacing is often required; when transporting, a wider track width is often required for stability; when cultivating and harvesting crops, different wheel pitches are needed to be adapted to different ridge pitches. Even for the same crop, the planting row spacing of different farmer crops is very different, for example, the actual planting row spacing of Guangxi sugarcane is in the range of 80cm to 120cm, so that machinery with adjustable wheel spacing is required to be adapted to the actual planting row spacing.

Aiming at the defects, a mechanical device capable of adjusting wheel spacing is designed, the transverse wheel track can be adjusted according to different inter-ridge spacing, and the width adjustment of the whole vehicle can be realized within a certain range.

Disclosure of Invention

For overcoming prior art not enough, the utility model provides a four-wheel single power traction machine of adjustable interval, its adjustment that can realize the horizontal wheel interval through novel structure to it adopts single power setting, and the wheel base is big, and the automobile body operation is stable.

In order to achieve the technical purpose, the utility model adopts the following scheme: the four-wheel single-power traction machine comprises a frame body, wherein the middle part of the frame body is provided with a driver seat, an accelerator brake system and a direction control system; the rear side of the frame body is provided with a rear wheel fixing frame, and a rear wheel is arranged on the rear wheel fixing frame; the front end of the frame body is provided with a hinge point, a bogie is connected through the hinge point, and front wheels are fixed on the bogie; a left steering driving cylinder and a right steering driving cylinder are arranged between the steering frame and the frame body and correspond to the hinge point, and left and right steering can be realized through the mutual matching of the two steering driving cylinders; the frame body is provided with a driving device, and the driving device is connected with a driving unit at the rear side through a gearbox to drive the rear wheel; the telescopic frames are connected with the frame body and the bogie through matching sleeves, a transverse driving cylinder is arranged corresponding to each matching sleeve, and the matching sleeves are driven to stretch and retract through the transverse driving cylinders;

when the front wheel and the rear wheel are fixed, the front wheel and the rear wheel are connected with a driving shaft or a linkage shaft through a spline combination to realize driving or linkage.

The matching sleeve consists of two parts, namely a bearing end and an inserting end.

The spline combination comprises a spline outer sleeve which is fixed with the front wheel or the rear wheel into a whole, the spline outer sleeve is connected with a spline driving shaft, the spline driving shaft is connected with a driving unit, a shaft sleeve is arranged outside the spline driving shaft, and the shaft sleeve is fixed at the bottom of the bogie or the bottom of the rear wheel fixing frame; the outside of the spline combination is sealed by an elastic rubber sleeve.

The utility model has the advantages that: the utility model discloses an above setting, it sets up the bogie through the front end at the support body is articulated, is provided with two simultaneously and turns to the cooperation of driving cylinder and realize steering drive, furthermore, the utility model discloses be provided with the expansion bracket on bogie and rear wheel mount, it realizes the transverse drive to the expansion bracket through the transverse drive jar, furthermore, the utility model discloses an adopt the spline combination to connect front and back wheel and drive shaft or universal driving shaft, can realize stable drive when the expansion bracket lateral shifting. To sum up, the utility model discloses an above improvement, it can realize carrying out the width modulation with the horizontal shrink of four-wheel structure to different ridge intervals, is applicable to the operation of different landmasses, simultaneously, the utility model discloses a four-wheel structure, stability is high, is the four-wheel single power traction machinery of the adjustable interval of an ideal.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the spline assembly of the present invention;

in the attached drawings, the automobile steering wheel comprises a frame body 1, a frame body 10, a driver seat 11, a direction control system 12, an accelerator 13, a brake 14, a rear wheel fixing frame 15, a driving device 16, a gearbox 17, a universal shaft 18, a driving unit 19, a rear telescopic frame 2, a bogie 21, a front wheel 22, a front telescopic frame 3, a transverse driving cylinder 31, a rear wheel 4, a telescopic sleeve 41, a bearing end 42, an insertion end 5, a steering driving cylinder 6, a hinge point 7, a spline combination 71, a spline outer sleeve 72, a sealing sleeve 73, a spline driving shaft 74, a shaft sleeve 75 and an elastic rubber sleeve.

Detailed Description

Referring to fig. 1, the space-adjustable four-wheel single-power traction machine disclosed by the present invention comprises a frame body 1, wherein a driver seat 10, an accelerator 12, a brake 13 and a direction control system 11 are arranged in the middle of the frame body 1, and the above control device is the same as the existing vehicle accessories in use and installation manner, and is not described herein again; a rear wheel fixing frame 14 is arranged at the rear side of the frame body 1, and a rear wheel 31 is erected on the rear wheel fixing frame 14; the front end of the frame body 1 is provided with a hinge point 6, the front end is connected with a bogie 2 through the hinge point 6, and front wheels 21 are fixed on the bogie 2; a left and a right steering driving cylinders 5 are arranged between the bogie 2 and the frame body 1 corresponding to the hinge point 6, left and right steering can be realized by the mutual matching of the two steering driving cylinders 5, the steering driving cylinders 5 are controlled to be linked with a direction control system 11, and the realization of steering driving through the steering driving cylinders is a general technology in the industry and is not described again as a key point; the frame body 1 is provided with a driving device 15, and the driving device 15 is connected with a driving unit 18 at the rear side through a gearbox 16 and a universal shaft 17 to realize the driving of a rear wheel 31; a rear telescopic frame 19 is arranged on the rear wheel fixing frame 14 at the rear side of the frame body 1, a front telescopic frame 22 is arranged on the bogie 2, through the structural arrangement, the front wheels and the rear wheels are respectively fixed on the front telescopic frame 22 and the rear telescopic frame 19, the end parts of the telescopic frames are connected with the frame body 1 and the bogie 2 through matching sleeves 4, a transverse driving cylinder 3 is respectively arranged corresponding to each matching sleeve 4, and the matching sleeves are driven to stretch and retract through the transverse driving cylinders 3; as shown in fig. 1, the matching sleeve 4 is composed of two parts, namely a bearing end 41 and an insertion end 42, and the guiding of the telescopic frame during the action can be realized through the insertion combination of the matching sleeve 4.

The utility model discloses when actual design and preparation, still need overcome following problem, front wheel 21 and rear wheel 31 when fixed, it realizes drive or linkage after connecting through spline combination 7 and drive shaft or universal driving shaft. When the front wheel 21 is fixed, the front wheel is connected with the universal driving shaft through a spline combination 7, and the front wheel has the following specific structure: the inner side of the front wheel is fixed with a spline outer sleeve 71, the spline outer sleeve 71 is connected with a spline driving shaft 73, the spline driving shaft 73 penetrates left and right to realize the fixation of two front wheels, a shaft sleeve 74 is arranged outside the spline driving shaft 73, the shaft sleeve 74 is fixed at the bottom of the bogie 2, meanwhile, a sealing sleeve 72 is arranged at the port of the outermost part of the shaft sleeve 74, the sealing during the change of the wheel base can be realized through the sealing sleeve 72, and an elastic rubber sleeve 75 capable of stretching and contracting is arranged outside the spline combination 7.

When the rear wheel 31 is fixed, it is connected with the driving shaft through the spline combination 7, and the concrete structure is as follows: the inner side of the front wheel is fixed with a spline outer sleeve 71, the spline outer sleeve 71 is connected with a spline driving shaft 73, the spline driving shaft 73 is linked with the driving unit 18 in the middle, the outer part of the spline driving shaft 73 is a shaft sleeve 74, the shaft sleeve 74 is fixed at the bottom of the bogie 2, a sealing sleeve 72 is arranged at the outermost port of the shaft sleeve 74, sealing during axle distance change can be realized through the sealing sleeve 72, and the outer part of the spline combination 7 is provided with a stretchable and contractible elastic rubber sleeve 75.

The utility model discloses an above improvement, it can realize carrying out the width modulation with the horizontal shrink of four-wheel structure to different ridge intervals, is applicable to the operation of different landmasses, simultaneously, the utility model discloses a four-wheel structure, stability is high, is the four-wheel single power traction machinery of the adjustable interval of an ideal.

Claims

1. A four-wheel single-power traction machine with adjustable space comprises a frame body, wherein a driver seat, an accelerator brake system and a direction control system are arranged in the middle of the frame body; the method is characterized in that: the rear side of the frame body is provided with a rear wheel fixing frame, and a rear wheel is arranged on the rear wheel fixing frame; the front end of the frame body is provided with a hinge point, a bogie is connected through the hinge point, and front wheels are fixed on the bogie; a left steering driving cylinder and a right steering driving cylinder are arranged between the steering frame and the frame body and correspond to the hinge point, and left and right steering can be realized through the mutual matching of the two steering driving cylinders; the frame body is provided with a driving device, and the driving device is connected with a driving unit at the rear side through a gearbox to drive the rear wheel; the telescopic frames are connected with the frame body and the bogie through matching sleeves, a transverse driving cylinder is arranged corresponding to each matching sleeve, and the matching sleeves are driven to stretch and retract through the transverse driving cylinders;

2. The adjustable-pitch four-wheel mono-dynamic traction machine of claim 1, wherein: the matching sleeve consists of two parts, namely a bearing end and an inserting end.

3. The adjustable-pitch four-wheel mono-dynamic traction machine of claim 1, wherein: the spline combination comprises a spline outer sleeve which is fixed with the front wheel or the rear wheel into a whole, the spline outer sleeve is connected with a spline driving shaft, the spline driving shaft is connected with a driving unit, a shaft sleeve is arranged outside the spline driving shaft, and the shaft sleeve is fixed at the bottom of the bogie or the bottom of the rear wheel fixing frame; the outside of the spline combination is sealed by an elastic rubber sleeve.