CN220674331U - Upper pull rod support structure in tractor - Google Patents
Upper pull rod support structure in tractor Download PDFInfo
- Publication number
- CN220674331U CN220674331U CN202322242985.6U CN202322242985U CN220674331U CN 220674331 U CN220674331 U CN 220674331U CN 202322242985 U CN202322242985 U CN 202322242985U CN 220674331 U CN220674331 U CN 220674331U
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- support
- base plate
- plate
- support base
- pull rod
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- 210000001503 joint Anatomy 0.000 claims abstract description 19
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model provides an upper pull rod support structure in tractor, upper pull rod support includes support base plate and support curb plate, the vertical parallel symmetry in surface of support base plate is equipped with two support curb plates, the four corners surface of support base plate is equipped with the support mounting hole, the surface of support curb plate is equipped with upper pull rod hinge hole, the back left and right sides of support base plate be equipped with the rear axle butt joint face, the rear axle butt joint face outstanding in the back of support base plate, rear axle butt joint face surface axisymmetric is equipped with the pinhole, thereby increase the structural strength for whole upper pull rod support through improving the connection structure between support base plate and the support curb plate and increase, and the independent outstanding rear axle butt joint face also can effectively improve the intensity of contact surface to the pinhole that still adds is used for assisting the location of support installation improves the installation accuracy and improves the atress condition.
Description
Technical Field
The utility model belongs to the technical field of pull rod supports, and in particular relates to an upper pull rod support structure in a tractor.
Background
The upper pull rod support of the tractor is mainly used for providing an upper hinge point for an upper pull rod assembly in a suspension system, and the upper pull rod is connected with the upper pull rod support through a connecting pin. Fig. 3 and 4 show that, for the existing upper pull rod support structure of a tractor, the upper pull rod support structure is formed by integrally casting an upper pull rod base side plate and an upper pull rod support mounting plate, and is mounted on a rear axle box body by a common bolt and a spring pad, the structure has the following defects:
1. the upper pull rod support is connected to the rear axle box body through four bolts and elastic pads, and because the upper pull rod is subjected to larger vibration load, looseness is easy to generate, and finally the damage to the upper pull rod support or the rear axle is caused;
2. no reinforcing ribs are arranged between the upper pull rod support mounting plate and the upper pull rod base side plate, and the upper pull rod support needs to bear a large load and is easy to crack;
3. the butt joint surface of the rear axle is not provided with steps, so that the processing surface is larger, and the production cost is increased;
therefore, it is necessary to develop an upper tie rod support which is reasonable in structure and proper in strength.
Disclosure of Invention
In order to solve the above-mentioned problem, this document proposes an upper pull rod support structure in tractor, and upper pull rod support includes support base plate and base curb plate, and the vertical parallel symmetry in surface of support base plate is equipped with two base curb plates, and the four corners surface of support base plate is equipped with the support mounting hole, and the surface of base curb plate is equipped with upper pull rod hinge hole, the back left and right sides of support base plate be equipped with the rear axle interface, the rear axle interface outstanding in the back of support base plate, rear axle interface surface axisymmetric is equipped with the pinhole, constitute the muscle groove with the back of support base plate between the rear axle interface of both sides, symmetrical base curb plate be as an organic whole, the base curb plate and the positive junction of support base plate all be equipped with the slant chamfer in the department, the upper and lower both ends of base curb plate all slant links to each other with the back of support base plate, the inclined plane rear end at both sides is the intercommunication integral type, the support mounting hole in be equipped with the flange bolt, thereby increase the structural strength of whole upper pull rod support through improving the connection structure between support base plate and the base curb plate, and the independent protruding rear axle interface also can effectively reduce to the manufacturing cost of the installation of support to improve the position accuracy to the additional bearing pin hole.
The shape of the support base plate is a transverse rectangular plate, support mounting holes are symmetrically formed in transverse and longitudinal central lines of four corners of the surface of the support base plate, arc grooves are formed in the center of the bottom of the support base plate, bolt tightening surfaces are arranged on the support mounting holes on two sides of the front surface of the support base plate in a protruding mode, upper pull rod hinge holes are symmetrically formed in the transverse central lines of the surface of the base side plate, oblique chamfer angles are formed in the joints of two sides of the base side plate and the front surface of the support base plate, the base side plates on the two sides are mutually communicated through inclined plane rear sides of the upper and lower ends, reinforcing ribs are arranged between the upper pull rod base side plates and the mounting plate, and the strength of the support is improved.
The support mounting hole and the upper pull rod hinge hole are smooth through holes, the support mounting hole penetrates through the front surface of the support base plate, the upper pull rod hinge hole penetrates through the side surface of the base side plate, flange bolts penetrate through the front surface of the support mounting hole, four locking bolts with flange faces are used for connecting the upper pull rod support with the rear axle, two positioning pins are arranged at the butt joint position, the connection strength is improved, and the stress condition of the upper pull rod support is improved.
The inside grafting of pinhole is equipped with the locating pin, and the pinhole outside is outstanding to be equipped with the rear axle butt joint face, adopts four locking bolts of taking the flange face to be connected upper pull rod support and rear axle to two locating pins have been set up in butt joint department, have improved joint strength, have improved the atress condition of upper pull rod support.
The beneficial effects are that:
four locking bolts with flange faces are adopted to connect the upper pull rod support with the rear axle, and two positioning pins are arranged at the butt joint position, so that the connection strength is improved, and the stress condition of the upper pull rod support is improved.
Reinforcing ribs are arranged between the side plates of the upper pull rod base and the mounting plate, so that the strength of the support is improved.
The butt joint surface of the rear axle is provided with steps, so that unnecessary processing surfaces are reduced, and the production cost is reduced.
Drawings
FIG. 1 is a schematic front view of an upper tie rod support structure in a tractor;
FIG. 2 is a schematic rear view of an upper tie bar support structure in a tractor;
FIG. 3 is a schematic front view of a prior art upper tie bar support;
FIG. 4 is a schematic rear view of a prior art upper tie bar support;
in the figure; 1. the support base plate, 2, the base curb plate, 3, support mounting hole, 4, pull-up rod hinge hole, 5, bullet pad, 6, straight stud, 7, rear axle interface, 8, flange bolt, 9, pinhole, 10, locating pin.
Detailed Description
In order to enhance the understanding of the present utility model, the present utility model will be further described in detail with reference to the following examples and drawings, which are provided for the purpose of illustrating the present utility model only and are not to be construed as limiting the scope of the present utility model.
The support comprises a support base plate 1, a base side plate 2, a support mounting hole 3, an upper pull rod hinge hole 4, a spring pad 5, a straight stud 6, a rear axle butt joint surface 7, a flange bolt 8, a pin hole 9 and a positioning pin 10.
As shown in fig. 1 and 2;
the utility model provides an upper pull rod support structure in tractor, upper pull rod support includes support base plate 1 and base curb plate 2, the vertical parallel symmetry in surface of support base plate 1 is equipped with two base curb plates 2, the four corners surface of support base plate 1 is equipped with support mounting hole 3, the surface of base curb plate 2 is equipped with upper pull rod hinge hole 4, the back left and right sides of support base plate 1 be equipped with rear axle interface 7, rear axle interface 7 outstanding in the back of support base plate 1, rear axle interface 7 surface axisymmetric is equipped with pinhole 9, constitute the muscle groove with the back of support base plate 1 between the rear axle interface 7 of both sides, symmetrical base curb plate 2 as an organic whole, the junction along department that base curb plate 2 and support base plate 1 openly all is equipped with the slant chamfer, the upper and lower both ends of base curb plate 2 all slant link to each other with the back of support base plate 1, the inclined plane rear ends of the upper end and the lower end of the base side plate 2 at the two sides are integrated in a communicating way, flange bolts 8 are arranged in the support mounting holes 3, the support base plate 1 is a transverse rectangular plate, support mounting holes 3 are symmetrically arranged at the four corners of the surface of the support base plate 1 along the transverse and longitudinal central line, an arc-shaped groove is arranged at the center of the bottom of the support base plate 1, bolt tightening surfaces are convexly arranged at the positions of the support mounting holes 3 at the two sides of the front surface of the support base plate 1, upper pull rod hinging holes 4 are symmetrically arranged at the transverse central line of the surface of the base side plate, inclined chamfer angles are respectively arranged at the joints of the two sides of the base side plate and the front surface of the support base plate 1, the base side plates at the two sides are mutually communicated through the inclined plane rear sides at the upper end and the lower end, the support mounting holes 3 and the upper pull rod hinging holes 4 are smooth surface through holes, the support mounting holes 3 penetrate through the front surface of the support base plate 1, the upper pull rod hinging holes 4 penetrate through the side surface of the base side plate 2, the front of the support mounting hole 3 is penetrated and provided with a flange bolt 8, the inside of the pin hole 9 is inserted and provided with a positioning pin 10, and the outside of the pin hole 9 is provided with a rear axle butt joint surface 7 in a protruding mode.
Implementation examples;
when the fixing device is used, the locating pin 10 is inserted into the pin hole 9, the rear axle butt joint surface 7 is tightly attached and fixedly connected through the flange bolts 8, and after the connection and fixation are completed, the joint of the base side plate 2 and the support base plate 1 uses reinforcing ribs of inclined chamfer surfaces, so that the overall shape and structure strength is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides an upper pull rod support structure in tractor, upper pull rod support includes support base plate and base curb plate, the vertical parallel symmetry in surface of support base plate is equipped with two base curb plates, the four corners surface of support base plate is equipped with the support mounting hole, the surface of base curb plate is equipped with upper pull rod hinge hole, its characterized in that, the back left and right sides of support base plate be equipped with the rear axle butt joint face, the rear axle butt joint face outstanding in the back of support base plate, rear axle butt joint face surface axisymmetric is equipped with the pinhole, constitute the muscle groove with the back of support base plate between the rear axle butt joint face of both sides, symmetrical base curb plate as an organic whole, the base curb plate all is equipped with the slant chamfer with the positive junction of support base plate along department, the upper and lower both ends of base curb plate all slant link to each other with the back of support base plate, the inclined plane rear end at both sides is the upper and lower both ends of base curb plate for the intercommunication integral type, the support mounting hole in be equipped with flange bolt.
2. The structure of claim 1, wherein the support base plate is a transverse rectangular plate, support mounting holes are symmetrically formed in four corners of the surface of the support base plate along the transverse and longitudinal central lines, an arc-shaped groove is formed in the center of the bottom of the support base plate, and bolt tightening surfaces are arranged on the protrusions of the support mounting holes on two sides of the front surface of the support base plate.
3. The structure of claim 1, wherein the transverse center line of the surface of the base side plate is symmetrically provided with upper pull rod hinge holes, the connection parts between the two sides of the base side plate and the front surface of the base plate are respectively provided with an inclined chamfer, and the base side plates on the two sides are mutually communicated through the inclined rear sides of the upper end and the lower end.
4. The structure of claim 1, wherein the mounting hole and the hinge hole are smooth through holes, the mounting hole penetrates through the front surface of the base plate, the hinge hole penetrates through the side surface of the side plate of the base, and the front surface of the mounting hole is provided with flange bolts.
5. The structure of claim 1, wherein the pin hole is provided with a positioning pin in an inserted manner, and a rear axle abutment surface is provided on the outer side of the pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242985.6U CN220674331U (en) | 2023-08-21 | 2023-08-21 | Upper pull rod support structure in tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322242985.6U CN220674331U (en) | 2023-08-21 | 2023-08-21 | Upper pull rod support structure in tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220674331U true CN220674331U (en) | 2024-03-29 |
Family
ID=90410488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322242985.6U Active CN220674331U (en) | 2023-08-21 | 2023-08-21 | Upper pull rod support structure in tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220674331U (en) |
-
2023
- 2023-08-21 CN CN202322242985.6U patent/CN220674331U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |