CN212796401U - Front drive axle steering mechanism special for greenhouse tractor - Google Patents
Front drive axle steering mechanism special for greenhouse tractor Download PDFInfo
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- CN212796401U CN212796401U CN202020794479.1U CN202020794479U CN212796401U CN 212796401 U CN212796401 U CN 212796401U CN 202020794479 U CN202020794479 U CN 202020794479U CN 212796401 U CN212796401 U CN 212796401U
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Abstract
The utility model discloses a special front drive axle steering mechanism for a greenhouse tractor, which is used for the special front drive axle of the greenhouse tractor, the special front drive axle comprises a shell, a steering mechanism, a left end transmission shell and a right end transmission shell, the front end part of the middle part of the shell is provided with a front support, the steering mechanism comprises a steering oil cylinder, a steering oil cylinder seat, a steering arm, a steering left arm, a steering right arm and a cross rod, the middle part of the front support is provided with a through hole, the steering oil cylinder seat is fixed at the middle part of the right side in front of the shell, the steering arm is fixed at the middle part of the front of the left end transmission shell, the steering oil cylinder is hinged with the steering oil cylinder seat, the steering oil cylinder passes through the through hole at the middle part of the front support, a piston rod of the steering oil cylinder is hinged with the steering arm, the steering left arm is fixed at the middle lower part of the back of the left end transmission shell, the steering right, the transverse pull rod is positioned below the central transmission shaft seat.
Description
Technical Field
The utility model relates to a special front drive axle steering mechanism of big-arch shelter tractor.
Background
An existing tractor comprises a front drive axle, wherein a front drive axle assembly comprises a shell, a steering mechanism, a left end transmission shell and a right end transmission shell. The front end part of the middle part of the shell is provided with a front support, and the rear end part of the middle part of the shell is provided with a central transmission shaft seat.
The left end portion and the right end portion of the shell are respectively provided with a left connecting shaft and a right connecting shaft, a left end transmission shell is arranged on the left connecting shaft, and a right end transmission shell is arranged on the right connecting shaft. The steering mechanism comprises a steering oil cylinder, a steering oil cylinder seat, a steering arm, a steering left arm, a steering right arm and a tie rod, wherein the steering arm and the steering left arm are respectively fixed at the front part and the rear part of a left connecting shaft, the steering right arm is fixed at the rear part of a right connecting shaft, the steering oil cylinder seat is fixed at the right side of the shell, the steering oil cylinder is hinged with the steering oil cylinder seat, a piston rod of the steering oil cylinder is hinged with the steering arm, and the left end and the right end of the tie rod are respectively hinged with the steering left arm and the steering right arm. The front end part of the middle part of the shell is provided with the front support, and the steering oil cylinder of the steering mechanism is positioned above the front support, so that the height of the front drive axle is increased, and the tractor body is higher and difficult to adapt to the operation in the field of the greenhouse.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a special front-drive axle steering mechanism of big-arch shelter tractor is provided, this special front-drive axle steering mechanism of big-arch shelter tractor can reduce the height of the special front-drive axle of big-arch shelter tractor to satisfy the requirement of big-arch shelter field operation.
In order to solve the technical problem, the utility model relates to a special front drive axle steering mechanism for a greenhouse tractor, which is used for the special front drive axle of the greenhouse tractor, the special front drive axle comprises a shell, a steering mechanism, a left end transmission shell and a right end transmission shell, the front end part of the middle part of the shell is provided with a front support, the rear end part of the middle part of the shell is provided with a central transmission axle seat, the left end part and the right end part of the shell are respectively provided with a left connecting axle and a right connecting axle, the left end transmission shell is arranged on the left connecting axle, the right end transmission shell is arranged on the right connecting axle, the steering mechanism comprises a steering oil cylinder, a steering oil cylinder seat, a steering arm, a steering left arm, a steering right arm and a cross pull rod, the middle part of the front support is provided with a through hole, the steering oil cylinder seat is fixed at the middle part of the right side in front, the steering oil cylinder penetrates through a through hole in the middle of the front support, a piston rod of the steering oil cylinder is hinged with the steering arm, the steering left arm is fixed to the middle lower portion of the rear face of the left end transmission shell, the steering right arm is fixed to the middle lower portion of the rear face of the right end transmission shell, the left end and the right end of the tie rod are hinged with the steering left arm and the steering right arm respectively, and the tie rod is located below the central transmission shaft seat.
The tie rod comprises a left rod, a middle rod and a right rod, the left rod and the right rod are respectively arranged at the left end and the right end of the middle rod, and the angle formed by the left rod and the middle rod is equal to the angle formed by the right rod and the middle rod.
The angle formed by the left rod and the middle rod and the angle formed by the right rod and the middle rod are both 120 degrees.
In the special front drive axle steering mechanism for the greenhouse tractor, the through hole is formed in the middle of the front support, the steering cylinder seat is fixed in the middle of the right side of the front of the shell, the steering arm is fixed in the middle of the front of the left end transmission shell, the steering cylinder penetrates through the through hole in the middle of the front support, the piston rod of the steering cylinder is hinged with the steering arm, the steering left arm is fixed at the middle lower part of the back of the left end transmission shell, the steering right arm is fixed at the middle lower part of the back of the right end transmission shell, and the pull rod is located below the central transmission shaft seat.
Drawings
FIG. 1 is a schematic structural view of a steering mechanism of a front drive axle special for a greenhouse tractor;
fig. 2 is an enlarged schematic view of the left side view structure of fig. 1.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
as shown in fig. 1 and 2, the utility model discloses a special front drive axle steering mechanism of big-arch shelter tractor for special front drive axle of big-arch shelter tractor, special front drive axle contains casing 7, steering mechanism, left end transmission shell 1 and right end transmission shell 10. The front end part of the middle part of the shell 7 is provided with a front support 6, and the rear end part of the middle part of the shell 7 is provided with a central transmission shaft seat 14. The left end and the right end of the shell 7 are respectively provided with a left connecting shaft and a right connecting shaft, the left end transmission shell 1 is arranged on the left connecting shaft, and the right end transmission shell 10 is arranged on the right connecting shaft. The steering mechanism comprises a steering oil cylinder 5, a steering oil cylinder seat 8, a steering arm 2, a steering left arm 16, a steering right arm 11 and a tie rod. The middle part of the front support 6 is provided with a through hole 17. The steering oil cylinder seat 8 is fixed in the middle of the front right side of the shell 7, the steering arm 2 is fixed in the middle of the front of the left end transmission shell 1, the steering oil cylinder 5 is hinged to the steering oil cylinder seat 8, the steering oil cylinder 5 penetrates through a through hole 17 in the middle of the front support 6, and a piston rod 4 of the steering oil cylinder 5 is hinged to the steering arm 2. The steering left arm 16 is fixed to the lower middle portion of the rear face of the left end drive case 1, and the steering right arm 11 is fixed to the lower middle portion of the rear face of the right end drive case 10. The left end and the right end of the tie rod are respectively hinged with the steering left arm 16 and the steering right arm 11. The tie rod is positioned below the central transmission shaft seat 14.
In order to avoid interference of the tie rod with the housing 7 during steering, the tie rod comprises a left rod 15, a middle rod 13 and a right rod 12, the left rod 15 and the right rod 12 are respectively arranged at the left end and the right end of the middle rod 13, and the angle formed by the left rod 15 and the middle rod 13 is equal to the angle formed by the right rod 12 and the middle rod 13.
For the optimized structure, the angle formed by the left rod 15 and the middle rod 13 and the angle formed by the right rod 12 and the middle rod 13 are both 120 degrees.
In the special front drive axle steering mechanism for the greenhouse tractor, the through hole 17 is formed in the middle of the front support 6, the steering cylinder seat 8 is fixed in the middle of the right side of the front of the shell 7, the steering arm 2 is fixed in the middle of the front of the left end transmission shell 1, the steering cylinder 5 penetrates through the through hole 17 in the middle of the front support 6, the piston rod 4 of the steering cylinder 5 is hinged to the steering arm 2, the steering left arm 16 is fixed at the middle lower part of the rear of the left end transmission shell 1, the steering right arm 11 is fixed at the middle lower part of the rear of the right end transmission shell 10, and the pull rod is located below the central transmission shaft seat 14.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. A steering mechanism of front drive axle for greenhouse tractor is composed of a casing with front supporting seat, central drive axle seat at back end, left and right connecting axles, left and right end drive shells, a left and right connecting axles, a left end drive shell on said left connecting axle, a right end drive shell on said right connecting axle, a steering mechanism consisting of steering cylinder, steering cylinder seat, steering arm, steering left arm, steering right arm and transverse pull rod, and a through hole in said front supporting seat, the steering oil cylinder penetrates through a through hole in the middle of the front support, a piston rod of the steering oil cylinder is hinged with the steering arm, the steering left arm is fixed to the middle lower portion of the rear face of the left end transmission shell, the steering right arm is fixed to the middle lower portion of the rear face of the right end transmission shell, the left end and the right end of the tie rod are hinged with the steering left arm and the steering right arm respectively, and the tie rod is located below the central transmission shaft seat.
2. The front axle steering mechanism for the greenhouse tractor as claimed in claim 1, wherein the tie rod comprises a left rod, a middle rod and a right rod, the left rod and the right rod are respectively arranged at the left end and the right end of the middle rod, and the angle formed by the left rod and the middle rod is equal to the angle formed by the right rod and the middle rod.
3. The front axle steering mechanism for the greenhouse tractor as claimed in claim 2, wherein the angle formed by the left rod and the middle rod and the angle formed by the right rod and the middle rod are both 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020794479.1U CN212796401U (en) | 2020-05-14 | 2020-05-14 | Front drive axle steering mechanism special for greenhouse tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020794479.1U CN212796401U (en) | 2020-05-14 | 2020-05-14 | Front drive axle steering mechanism special for greenhouse tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212796401U true CN212796401U (en) | 2021-03-26 |
Family
ID=75093212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020794479.1U Active CN212796401U (en) | 2020-05-14 | 2020-05-14 | Front drive axle steering mechanism special for greenhouse tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212796401U (en) |
-
2020
- 2020-05-14 CN CN202020794479.1U patent/CN212796401U/en active Active
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