CN219487548U - Steering mechanism for crawler tractor - Google Patents
Steering mechanism for crawler tractor Download PDFInfo
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- CN219487548U CN219487548U CN202320925653.5U CN202320925653U CN219487548U CN 219487548 U CN219487548 U CN 219487548U CN 202320925653 U CN202320925653 U CN 202320925653U CN 219487548 U CN219487548 U CN 219487548U
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- steering gear
- universal joint
- rocker
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Abstract
The utility model belongs to the technical field of steering mechanisms, and particularly relates to a steering mechanism for a crawler tractor, which comprises a steering gear, wherein the input end of the steering gear is provided with a first transmission assembly, the output end of the steering gear is provided with a second transmission assembly, a useful supporting assembly is fixedly connected to the first transmission assembly, and the lower end of the steering gear is also provided with a positioning assembly for positioning the steering gear; by adopting the technical scheme, the novel steering wheel is ingenious in design, reasonable in structure, simple in overall structure, convenient to use and capable of realizing the purpose of protecting the gearbox by controlling the turning radius of the steering wheel through the steering gear in a transmission manner, and the novel steering wheel is convenient to use, simple in overall structure, convenient to install and capable of prolonging the service life of the gearbox.
Description
Technical Field
The utility model belongs to the technical field of steering mechanisms, and particularly relates to a steering mechanism for a crawler tractor.
Background
In the prior art, the steering wheel of the agricultural machine is directly connected with the gearbox through the transmission component, and the connecting mode enables the steering wheel rotation angle to be maximum, so that the damage to the gearbox of the tractor is great.
Disclosure of Invention
The utility model aims to solve the main technical problems of providing a steering mechanism for a crawler tractor, which has the advantages of simple integral structure, convenient use and prolonged service life of a gearbox of the crawler tractor, and the utility model provides the following technical proposal for solving the technical problems:
the utility model provides a steering mechanism for crawler tractor, includes steering gear, its characterized in that: the input of steering gear is provided with first drive assembly, and the output of steering gear is provided with second drive assembly, fixedly connected with useful supporting component on the first drive assembly, the lower extreme of steering gear still is equipped with the locating component that is used for the location to the steering gear.
The following is a further optimization of the above technical solution:
the first transmission assembly is arranged at the upper end of the steering gear and is in transmission connection with the input end of the steering gear, and the first transmission assembly comprises a universal joint, a steering branch pipe and a cross shaft.
Further optimizing: the universal joint comprises a first universal joint male head, a universal joint female head and a second universal joint male head, one end of the universal joint female head is in transmission connection with the input end of the steering gear, and one end, far away from the steering gear, of the universal joint female head is in rotary connection with the first universal joint male head through a cross shaft.
Further optimizing: the steering branch pipe is connected to one end of the first universal joint male head far away from the universal joint female head in a transmission manner, the second universal joint male head is connected to one end of the steering branch pipe far away from the universal joint female head in a transmission manner, and the steering wheel of the crawler tractor is connected to one end of the second universal joint male head far away from the steering branch pipe in a transmission manner.
Further optimizing: the support assembly comprises a portal frame, the portal frame is fixedly connected to the crawler tractor and located at the rear position of the steering gear, the support assembly further comprises two steering lacing wires, one ends of the two steering lacing wires are fixedly connected to the steering branch pipes, one ends of the two steering lacing wires, which are far away from the steering branch pipes, extend to one sides, which are far away from each other, of the two steering lacing wires, and the two steering lacing wires are integrally distributed in a V shape.
Further optimizing: the positioning assembly comprises two steering gear fixing plates, the two steering gear fixing plates are closely attached to the front side and the rear side of the steering gear, the positioning assembly further comprises a steering gear fixing base, two ends of the length direction of the steering gear fixing base are fixedly connected with one ends, far away from the steering gear, of the two steering gear fixing plates through threads, the two steering gear fixing plates are mutually parallel and are distributed on the steering gear fixing base at intervals, and the two steering gear fixing plates are perpendicular to the steering gear fixing base.
Further optimizing: the second transmission assembly comprises a steering upper rocker, one end of the steering upper rocker is in transmission connection with the output end of the steering device, a first steering pull rod is arranged at one end of the steering upper rocker, which is far away from the steering device, and the steering upper rocker is in transmission connection with the first steering pull rod.
Further optimizing: the second transmission assembly further comprises a second steering pull rod, one end, close to each other, of the first steering pull rod and the second steering pull rod is provided with a steering gear rocker arm, and the steering gear rocker arm is provided with a first connecting shaft.
Further optimizing: and one side, far away from the steering gear rocker arm, of the second steering pull rod is provided with a second connecting shaft, and the second connecting shaft is provided with a first rotating inner rocker and a second rotating inner rocker in a penetrating way.
Further optimizing: the steering bent pull rod is arranged at a position, far away from the second connecting shaft, on the second rotating back inner rocker, and is perpendicular to the second connecting shaft, one side, far away from the second rotating back inner rocker, on the steering bent pull rod is provided with a rotating back rocker, and the middle part of the rotating back rocker is provided with an output part.
By adopting the technical scheme, the steering wheel is ingenious in design, reasonable in structure, simple in overall structure, and ingenious in transmission connection with the gearbox through the steering gear, the rotating angle of the steering wheel is controlled, so that the purpose of protecting the gearbox is achieved, the steering wheel is convenient to use, the overall structure is simple, the installation is convenient, and the service life of the gearbox is prolonged.
The utility model will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of a steering gear according to an embodiment of the present utility model;
FIG. 3 is an assembly view of a first joint pin, a first joint box, and a cross in an embodiment of the present utility model;
FIG. 4 is a schematic view of a structure of a deflector fixing plate according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a steering linkage according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of the steering backward swing in the whole embodiment of the present utility model.
In the figure: 1-a diverter; 2-a first transmission assembly; 201-a first universal joint male; 202-a universal joint female; 203-a cross; 204-steering branch; 205-a second universal joint male; 3-a support assembly; 301-portal frames; 302-steering tie bars; 4-positioning assembly; 401-diverter securing plate; 402-diverter securing mount; 403-diverter positioning plate; 5-a second transmission assembly; 501-steering and up-swinging; 502-a first steering tie rod; 5021-first thread fork; 5022-second thread fork; 503-diverter rocker arm; 5031-a bearing; 504-a first connecting shaft; 505-second tie rod; 5051-third thread fork; 5052-fourth thread fork; 506-a second connecting shaft; 5061-first turn inner shake; 5062-shaking inwards after the second rotation; 507-steering tie rod; 5071-a fifth thread fork; 508-steering back shake; 5081-output.
Detailed Description
The steering mechanism for the crawler tractor comprises a steering gear 1, wherein a first transmission assembly 2 is arranged at the input end of the steering gear 1, a second transmission assembly 5 is arranged at the output end of the steering gear 1, a useful supporting assembly 3 is fixedly connected to the first transmission assembly 2, and a positioning assembly 4 for positioning the steering gear 1 is further arranged at the lower end of the steering gear 1.
The steering gear 1 is a worm steering gear, which is a prior art and will not be described herein.
The first transmission assembly 2 is arranged at the upper end of the steering gear 1 and is in transmission connection with the input end of the steering gear 1.
The first transmission assembly 2 includes a universal joint, a steering leg 204, and a cross 203.
The universal joint comprises a first universal joint male head 201, a universal joint female head 202 and a second universal joint male head 205, one end of the universal joint female head 202 is in transmission connection with the input end of the steering gear 1, and one end, far away from the steering gear 1, of the universal joint female head 202 is in rotary connection with the first universal joint male head 201 through a cross shaft 203.
The first universal joint male head 201 is in transmission connection with a steering branch pipe 204 at one end far away from the universal joint female head 202.
The steering branch pipe 204 is connected with a second universal joint male head 205 in a transmission manner at one end far away from the universal joint female head 202, and the second universal joint male head 205 is connected with a steering wheel of a crawler tractor in a transmission manner at one end far away from the steering branch pipe 204.
The steering branch pipe 204 is rotatably provided with a central shaft, and two ends of the central shaft are respectively in transmission connection with the corresponding first universal joint male head 201 and the second universal joint male head 205.
In this way, the second universal joint male head 205, the steering branch pipe 204, the first universal joint male head 201, the cross 203 and the universal joint female head 202 are sequentially connected in a transmission manner to form a first transmission assembly 2, and the action of steering wheel transmission output is input into the steering gear 1 from the input end of the steering gear 1 through the universal joint female port 202 by the first transmission assembly.
The support assembly 3 comprises a portal frame 301, and the portal frame 301 is fixedly connected to the crawler tractor and is positioned at the rear position of the steering gear 1.
The support assembly 3 further comprises two steering tie bars 302, wherein the number of the steering tie bars 302 is two.
One ends of the two steering tie bars 302 are fixedly connected to the steering branch pipe 204, one ends of the two steering tie bars 302, which are far away from the steering branch pipe 204, extend to the far side and are fixedly connected to the portal frame 301 respectively, and the two steering tie bars 302 are integrally distributed in a V shape.
Through the design, the steering gear 1 and the first transmission assembly 2 are firmly arranged on the crawler tractor through the mutual matching of the portal frame 301 and the steering lacing wire 302, so that the whole structure is more stable, and the use is convenient.
The positioning assembly 4 comprises two steering gear fixing plates 401, and the two steering gear fixing plates 401 are closely attached to the front side and the rear side of the steering gear 1.
A plurality of threaded holes are formed in the steering gear 1 and the steering gear fixing plate 401, the threaded holes in the steering gear 1 are matched with the threaded holes in the steering gear fixing plate 401, and the steering gear 1 is fixed between the two steering gear fixing plates 401 through bolts.
The positioning assembly 4 further comprises a steering gear fixing base 402, and two ends of the steering gear fixing base 402 in the length direction are fixedly connected with one ends, far away from the steering gear 1, of the two steering gear fixing plates 401.
The steering gear fixing base 402 is fixedly connected with the body of the crawler tractor at the end surface far away from the steering gear 1.
The diverter fixing plate 401 is provided with a diverter positioning plate 403.
One end of the steering gear positioning plate 403 is fixedly connected to the steering gear fixing plate 401, and one end of the steering gear positioning plate 403 away from the steering gear fixing plate 401 extends to a side away from the steering gear fixing plate 401 along a direction perpendicular to the steering gear fixing plate 401.
Through the design, the steering gear 1 is firmly fixed on the body of the crawler tractor through the steering gear fixing plate 401, the steering gear fixing base 402 and the steering gear positioning plate 403, and the crawler tractor is stable in structure and convenient to use.
The second transmission assembly 5 comprises a steering upper rocker 501, and one end of the steering upper rocker is in transmission connection with the output end of the steering device 1.
The steering upper rocker 501 is provided with a first steering pull rod 502 at one end far away from the steering device 1, a first thread fork 5021 is arranged at one end, close to the steering upper rocker 501, of the first steering pull rod 502, and the steering upper rocker 501 is in transmission connection with the first steering pull rod 502 through the first thread fork 5021.
And a second thread fork 5022 is further arranged at one end, far away from the steering upper rocker 501, of the first steering pull rod 502.
The second transmission assembly 5 further comprises a second steering rod 505, and both ends of the second steering rod 505 are respectively provided with a third threaded fork 5051 and a fourth threaded fork 5052.
One end of the first tie rod 502 and the second tie rod 505, which are close to each other, is provided with a steering rocker arm 503.
One end of the steering rocker arm 503, which is close to the first steering pull rod 502, is in transmission connection with the first steering pull rod 502 through a second threaded fork 5022.
The end of the steering rocker 503 adjacent to the second tie rod 503 is drivingly connected to the second tie rod 505 by a third threaded fork 5051.
The steering rocker 503 is provided with a first connecting shaft 504, and the first connecting shaft 504 is arranged perpendicular to the first steering rod 502 and the second steering rod 505.
The steering arm 503 is further provided with a bearing 5031, and the bearing 5031 is adapted to the first connecting shaft 504.
One end of the first connecting shaft 504 is fixedly connected to the body of the crawler tractor.
The first connecting shaft 504 and the bearing 5031 are used for supporting the steering rocker 503 to rotate on the first connecting shaft 504, so as to realize transmission between the first steering rod 502 and the second steering rod 505.
A second connecting shaft 506 is provided on the second tie rod 505 on the side facing away from the steering rocker arm 503, the second connecting shaft 506 being arranged parallel to the first connecting shaft 504 and perpendicular to the tie rod 502 and the second tie rod 505.
The second connecting shaft 506 is provided with a first rotating inner rocker 5061 and a second rotating inner rocker 5062.
One end of the first rotating rear inner rocker 5061 and one end of the second rotating rear inner rocker 5062 are fixedly connected to the second connecting shaft 506.
The first rear inner rocker 5061 is vertically disposed at a position in the middle of the second connecting shaft 506 and near the second tie rod 502.
The engagement of the fourth threaded fork 5052 on the second tie rod 502 with the first rear end turn rocker 5061 drivingly connects the second connecting shaft 506 with the second tie rod 502.
The second turn back inner rocker 5062 is vertically disposed at an end position of the second connecting shaft 506.
And a steering bent pull rod 507 is arranged at a position, far away from the second connecting shaft 506, on the second rotating rear inner rocker 5062, and the steering bent pull rod 507 is arranged perpendicular to the second connecting shaft 506.
A fifth thread fork 5071 is disposed on the steering tie rod 507 at a position close to the second rotary rear inner rocker 5062, and the fifth thread fork 5071 is in transmission connection with one end of the second rotary rear inner rocker 5062 far away from the second connecting shaft 506.
The steering tie rod 507 is in transmission connection with the second connecting shaft 506 through the cooperation of the fifth thread fork 5071 and the second rotating rear inner rocker 5062.
A steering back rocker 508 is arranged on the side, away from the second steering back inner rocker 5062, of the steering curved pull rod 507.
The steering back rocker 508 is in driving connection with the steering tie rod 507.
An output part 5081 is arranged in the middle of the steering rear rocker 508, and the output part 5081 is in transmission connection with a gearbox.
So configured, the steering up-rocker 501, the first steering rod 502, the steering rocker 503, the first connecting shaft 504, the second steering rod 505, the first post-rotation inner-rocker 5061, the second connecting shaft 506, the second post-rotation inner-rocker 5062, the steering rod 507 and the post-rotation inner-rocker 508 together constitute the second transmission assembly 5.
The output end of the steering gear 1 is in transmission connection with a steering upper rocker 501 on the second transmission assembly 5, and the input end of the gearbox is in transmission connection with an output part 5081 on the second transmission assembly 5.
Through the design, the steering gear 1 is firmly fixed on a machine body through the supporting component 3 and the positioning component 4, the steering gear 1 is in transmission connection with the gearbox through the second transmission component 5, the steering wheel is in transmission connection with the steering gear 1 through the first transmission component 2, when the steering gear is used, the action of steering wheel output is transmitted to the steering gear 1 through the first transmission component, and the action processed by the steering gear 1 is transmitted to the gearbox through the second transmission component 5, so that the work of the whole steering component is realized.
Alterations, modifications, substitutions and variations of the embodiments herein will be apparent to those of ordinary skill in the art in light of the teachings of the present utility model without departing from the spirit and principles of the utility model.
Claims (10)
1. Steering mechanism for crawler tractor, including steering gear (1), its characterized in that: the input end of the steering gear (1) is provided with a first transmission assembly (2), the output end of the steering gear (1) is provided with a second transmission assembly (5), the first transmission assembly (2) is fixedly connected with a useful supporting assembly (3), and the lower end of the steering gear (1) is also provided with a positioning assembly (4) for positioning the steering gear (1).
2. A steering mechanism for a track-type tractor as claimed in claim 1, wherein: the first transmission assembly (2) is arranged at the upper end of the steering gear (1) and is in transmission connection with the input end of the steering gear (1), and the first transmission assembly (2) comprises a universal joint, a steering branch pipe (204) and a cross shaft (203).
3. A steering mechanism for a track-type tractor as claimed in claim 2, wherein: the universal joint comprises a first universal joint male head (201), a universal joint female head (202) and a second universal joint male head (205), one end of the universal joint female head (202) is in transmission connection with the input end of the steering gear (1), and one end, far away from the steering gear (1), of the universal joint female head (202) is in rotary connection with the first universal joint male head (201) through a cross shaft (203).
4. A steering mechanism for a track-type tractor as claimed in claim 3, wherein: the steering branch pipe (204) is arranged at one end position of the first universal joint male head (201) far away from the universal joint female head (202), one end of the steering branch pipe (204) far away from the universal joint female head (202) is in transmission connection with the second universal joint male head (205), the second universal joint male head (205) is in transmission connection with the first universal joint male head (201), and one end of the second universal joint male head (205) far away from the steering branch pipe (204) is in transmission connection with a steering wheel of the crawler tractor.
5. A track-type tractor steering mechanism as claimed in claim 4, wherein: the support assembly (3) comprises a portal frame (301), the portal frame (301) is fixedly connected to the crawler tractor and located at the rear position of the steering gear (1), the support assembly (3) further comprises two steering lacing wires (302), one ends of the two steering lacing wires (302) are fixedly connected to the steering branch pipe (204), one ends, far away from the steering branch pipe (204), of the two steering lacing wires (302) extend to one sides, far away from each other, of the two steering lacing wires and are fixedly connected to the portal frame (301) respectively, and the two steering lacing wires (302) are integrally distributed in a V shape.
6. A track-type tractor steering mechanism as claimed in claim 5, wherein: the positioning assembly (4) comprises two steering gear fixing plates (401), the two steering gear fixing plates (401) are tightly attached to the front side surface and the rear side surface of the steering gear (1), the positioning assembly (4) further comprises a steering gear fixing base (402), and two ends of the steering gear fixing base (402) in the length direction are fixedly connected with one ends, away from the steering gear (1), of the two steering gear fixing plates (401) respectively.
7. The steering mechanism for a crawler tractor according to claim 6, wherein: the second transmission assembly (5) comprises a steering upper rocker (501), one end of the steering upper rocker is in transmission connection with the output end of the steering gear (1), one end of the steering upper rocker (501) away from the steering gear (1) is provided with a first steering pull rod (502), and the steering upper rocker (501) is in transmission connection with the first steering pull rod (502).
8. A track-type tractor steering mechanism as claimed in claim 7, wherein: the second transmission assembly (5) further comprises a second steering pull rod (505), one end, close to each other, of the first steering pull rod (502) and the second steering pull rod (505) is provided with a steering gear rocker arm (503), and the steering gear rocker arm (503) is provided with a first connecting shaft (504).
9. A track-type tractor steering mechanism as claimed in claim 8, wherein: a second connecting shaft (506) is arranged on one side, far away from the steering gear rocker arm (503), of the second steering pull rod (505), and a first rotating inner rocker (5061) and a second rotating inner rocker (5062) are arranged on the second connecting shaft (506) in a penetrating mode.
10. A track-type tractor steering mechanism as claimed in claim 9, wherein: the position of the second turn back inner rocker (5062) far away from the second connecting shaft (506) is provided with a turn bent pull rod (507), the turn bent pull rod (507) is perpendicular to the second connecting shaft (506) and is arranged, one side of the turn bent pull rod (507) far away from the second turn back inner rocker (5062) is provided with a turn back rocker (508), and the middle part of the turn back rocker (508) is provided with an output part (5081).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925653.5U CN219487548U (en) | 2023-04-23 | 2023-04-23 | Steering mechanism for crawler tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320925653.5U CN219487548U (en) | 2023-04-23 | 2023-04-23 | Steering mechanism for crawler tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219487548U true CN219487548U (en) | 2023-08-08 |
Family
ID=87479779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320925653.5U Active CN219487548U (en) | 2023-04-23 | 2023-04-23 | Steering mechanism for crawler tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219487548U (en) |
-
2023
- 2023-04-23 CN CN202320925653.5U patent/CN219487548U/en active Active
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