CN219601372U - Rear steering axle structure of wheel-side driving tractor - Google Patents
Rear steering axle structure of wheel-side driving tractor Download PDFInfo
- Publication number
- CN219601372U CN219601372U CN202320237379.2U CN202320237379U CN219601372U CN 219601372 U CN219601372 U CN 219601372U CN 202320237379 U CN202320237379 U CN 202320237379U CN 219601372 U CN219601372 U CN 219601372U
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- pull rod
- assembly
- rod assembly
- wheel
- ball seat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a rear steering axle structure of a wheel-side driving tractor, which belongs to the technical field of tractors, wherein the surface of a rear axle housing is fixedly connected with a left support and a right support, the two ends of the rear axle housing are respectively and fixedly provided with a left half axle housing and a right half axle housing, one sides of the left half axle housing and the right half axle housing are respectively provided with a left steering knuckle assembly and a right steering knuckle assembly, the wheel-side driving tractor rear steering axle structure is convenient for the disassembly and assembly of one end of the left pull rod assembly and one end of the right pull rod assembly through a supporting sleeve and a supporting shaft which are arranged on the left pull rod assembly and the right pull rod assembly, the later replacement is convenient, the supporting stability and the wear resistance of the joint of one end are greatly improved, and the left pull rod assembly, the right pull rod assembly and a ball seat are provided with a disassembly and assembly function through a connecting plate and a connecting shaft which are arranged on the other end of the left pull rod assembly and the ball seat, and the later maintenance and replacement of the ball seat are convenient.
Description
Technical Field
The utility model relates to the technical field of tractors, in particular to a rear steering axle structure of a wheel-side driving tractor.
Background
In recent years, electric tractors have been rapidly developed, and the driving technology of electric tractors is greatly different from that of conventional internal combustion engine tractors, so that the wheel drive structure is well applied to electric tractors driven in various forms.
At present, when the connecting position of the pull rod assembly and the steering knuckle assembly, which are arranged on the rear steering axle structure of the existing wheel-side driving tractor, is used, abrasion is easy to generate, the supporting stability and the abrasion resistance of the pull rod assembly are reduced, the other end of the pull rod assembly is connected with the ball seat and is not easy to detach, and great inconvenience is brought to the maintenance and replacement of the ball seat at the later stage.
For example, a wheel drive tractor rear steering axle structure disclosed in the publication number CN212737635U includes a rear axle housing, left and right ends of the rear axle housing are respectively connected with a left axle housing and a right axle housing, a left end of the left axle housing is provided with a left knuckle assembly, a left wheel drive assembly is mounted at a left end of the left knuckle assembly, a left ball tie rod assembly is connected at a rear right end of the left knuckle assembly, a right knuckle assembly is mounted at a right end of the right axle housing, a right wheel drive assembly is mounted at a right end of the right knuckle assembly, a right ball tie rod assembly is connected at a rear left end of the right knuckle assembly, a steering cylinder assembly is mounted at a middle position rear end of the rear axle housing, and a left end of the steering cylinder assembly is connected with a right end of the left ball tie rod assembly.
According to the scheme disclosed by the above, one end of the left ball head pull rod assembly is rotationally connected with the surface of the left steering knuckle assembly, larger abrasion is easy to generate in the rotation process, the pull rod arranged on the left ball head pull rod assembly is connected with the ball head seat integrally, the left ball head pull rod assembly is inconvenient to split, and the right ball head pull rod assembly and the left ball head pull rod assembly have the same structure.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims to provide a rear steering axle structure of a wheel-side drive tractor, which has the functions of disassembling and combining a left pull rod assembly and a right pull rod assembly and a ball seat through a supporting sleeve and a supporting shaft arranged on the left pull rod assembly and the right pull rod assembly, is convenient for disassembling and combining one end of the left pull rod assembly and one end of the right pull rod assembly, is convenient for later replacement, greatly improves the supporting stability and the wear resistance of a joint at one end, and is convenient for the maintenance and replacement of the later ball seat through a connecting plate, a lining and a connecting shaft arranged at the other end of the left pull rod assembly and the other end of the right pull rod assembly.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a wheel side drive tractor rear steering axle structure, includes the rear axle housing, the fixed surface of rear axle housing connects with left support and right support respectively, the both ends of rear axle housing are fixed mounting respectively has left semi-axis casing and right semi-axis casing, one side of left semi-axis casing and right semi-axis casing is provided with left knuckle assembly and right knuckle assembly respectively, one side of left knuckle assembly and right knuckle assembly is fixed mounting respectively has left wheel side drive assembly and right wheel side drive assembly, the surface of left knuckle assembly and right knuckle assembly rotates respectively and is connected with left pull rod assembly and right pull rod assembly, left pull rod assembly and right pull rod assembly's one end can be dismantled respectively and is connected with left ball seat and right ball seat, left ball seat and right ball seat's surface can be dismantled and be connected with steering cylinder assembly, this wheel side tractor rear steering axle structure through left pull rod assembly and right pull rod assembly set up's supporting sleeve and back shaft, the split joint of left pull rod assembly and right knuckle assembly one end is convenient for left pull rod assembly and right pull rod assembly one end, and the support shaft assembly has improved the wear-resisting property and the change of the assembly and the tie rod assembly of the end of the tie rod assembly and the tie-rod assembly of the tie-down in the tie-down between the end and the tie rod assembly and the tie-bar assembly has the end and the easy to change.
Further, one end fixedly connected with support sleeve of left pull rod assembly, the inner wall of support sleeve is fixed to be cup jointed sealed bearing, sealed bearing's inner circle is fixed to be cup jointed the back shaft, the surface of back shaft has the stop collar of axial symmetry through threaded connection, and the support sleeve rotates with the back shaft through sealed bearing to be connected, can avoid taking place axial displacement between back shaft and the support sleeve, avoids wearing and tearing between the two.
Further, the terminal surface of stop collar is connected with the terminal surface contact of supporting sleeve, the central point of stop collar puts and is equipped with the screw hole, the surface of back shaft is equipped with the external screw thread, and the stop collar can restrict the position of supporting sleeve, guarantees its installation fastness.
Further, the two ends of the supporting shaft are provided with axially symmetrical short rods, external threads are arranged on the surfaces of the short rods, and the surfaces of the short rods are fastened with the surfaces of the left knuckle assembly through nuts.
Further, the other end fixedly connected with connecting plate of left pull rod assembly, the fixed surface of connecting plate has cup jointed the bush, the inner wall contact of bush is connected with the connecting axle, and the connecting axle is fastened with the surface of left ball seat, conveniently separates the dismantlement, can avoid producing wearing and tearing between connecting axle and the connecting plate through the bush simultaneously.
Furthermore, symmetrical clearance grooves are formed in the two ends of the supporting sleeve, and contact abrasion between the limiting sleeve and the sealing bearing is avoided.
Compared with the prior art, the utility model has the advantages that:
(1) According to the scheme, the support sleeve and the support shaft are arranged through the left pull rod assembly and the right pull rod assembly, so that the left pull rod assembly and one end of the right pull rod assembly are conveniently detached and combined, later replacement is convenient, and the support stability and the wear resistance of the joint of one end are greatly improved.
(2) According to the scheme, the connecting plate, the bushing and the connecting shaft are arranged at the other ends of the left pull rod assembly and the right pull rod assembly, so that the left pull rod assembly, the right pull rod assembly and the ball seat have a split and combined function, and the later-stage ball seat is convenient to overhaul and replace.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the construction of the left pull rod assembly of the present utility model;
fig. 3 is a top view of the support shaft structure of fig. 2.
The reference numerals in the figures illustrate:
the rear axle comprises a rear axle housing, a left support, a right support, a left half axle housing, a right half axle housing, a left steering knuckle assembly, a right steering knuckle assembly, a left wheel driving assembly, a right wheel driving assembly, a steering cylinder assembly, a left ball seat, a right ball seat, a left pull rod assembly, a right pull rod assembly, a 24 support sleeve, a 25 clearance groove, a 26 sealing bearing, a 27 support shaft, a 28 short rod, a 29 limit sleeve, a 30 connecting plate, a 31 bushing and a 32 connecting shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 to 3, a rear steering axle structure of a wheel-side driving tractor includes a rear axle housing 1, a left support 11 and a right support 12 fixedly connected to a surface of the rear axle housing 1, the left support 11 and the right support 12 being used for fixing the rear axle housing 1, respectively, in a manner well known to those skilled in the art, a left axle housing 13 and a right axle housing 14 are fixedly mounted at both ends of the rear axle housing 1, a left steering knuckle assembly 15 and a right steering knuckle assembly 16 are respectively provided at one sides of the left axle housing 13 and the right axle housing 14, a left axle housing 13, a right axle housing 14, a left steering knuckle assembly 15 and a right steering knuckle assembly 16 are all known to those skilled in the art, a constituent structure and an operating principle thereof are fixedly mounted at one sides of the left steering knuckle assembly 15 and the right steering knuckle assembly 16 with a left wheel-side driving assembly 17 and a right wheel-side driving assembly 18 respectively, the left wheel driving assembly 17 and the right wheel driving assembly 18 belong to the prior art, the composition structure and the working principle thereof are well known to those skilled in the art, the surfaces of the left steering knuckle assembly 15 and the right steering knuckle assembly 16 are respectively connected with a left pull rod assembly 22 and a right pull rod assembly 23 in a rotating way, the left pull rod assembly 22 and the right pull rod assembly 23 are respectively telescopic structures, the working principle thereof belong to the prior art, one ends of the left pull rod assembly 22 and the right pull rod assembly 23 are respectively detachably connected with a left ball seat 20 and a right ball seat 21, the left ball seat 20 and the right ball seat 21 are convenient for the rotating connection between the left pull rod assembly 22 and the right pull rod assembly 23 and the steering cylinder assembly 19, the surfaces of the left ball seat 20 and the right ball seat 21 are detachably connected with the steering cylinder assembly 19, the surfaces of the steering cylinder assembly 19 are fastened with the surfaces of the rear axle housing 1, the steering cylinder assembly 19 is provided with telescopic arms, which belongs to the prior art.
One end fixedly connected with supporting sleeve 24 of left pull rod assembly 22, the inner wall fixed sleeve who supports sleeve 24 has sealed bearing 26, sealed bearing 26's inner circle fixed sleeve has supported shaft 27, the surface of supported shaft 27 has axial symmetry's stop collar 29 through threaded connection, supporting sleeve 24 rotates through sealed bearing 26 and supported shaft 27 to be connected, can avoid taking place axial displacement between supporting shaft 27 and the supporting sleeve 24, avoid wearing and tearing between the two, the terminal surface of stop collar 29 is connected with the terminal surface contact of supporting sleeve 24, the central point of stop collar 29 is equipped with the screw hole, the surface of supported shaft 27 is equipped with the external screw thread, the position of supporting sleeve 24 can be restricted to the stop collar 29, guarantee its installation fastness, the both ends of supported shaft 27 are provided with axial symmetry's quarter butt 28, the surface of quarter butt 28 is equipped with the external screw thread, the surface of quarter butt 28 passes through the nut and the surface fastening of left knuckle assembly 15.
In this embodiment, through the support sleeve 24 and the support shaft 27 that left pull rod assembly 22 and right pull rod assembly 23 set up, not only be convenient for the split combination of left pull rod assembly 22 and right pull rod assembly 23 one end, the later stage of being convenient for is changed, has greatly improved the supporting stability and the wear resistance of one end junction moreover.
Example 2
Referring to fig. 1 to 3, a rear steering axle structure of a wheel-side driving tractor includes a rear axle housing 1, a left support 11 and a right support 12 fixedly connected to a surface of the rear axle housing 1, the left support 11 and the right support 12 being used for fixing the rear axle housing 1, respectively, in a manner well known to those skilled in the art, a left axle housing 13 and a right axle housing 14 are fixedly mounted at both ends of the rear axle housing 1, a left steering knuckle assembly 15 and a right steering knuckle assembly 16 are respectively provided at one sides of the left axle housing 13 and the right axle housing 14, a left axle housing 13, a right axle housing 14, a left steering knuckle assembly 15 and a right steering knuckle assembly 16 are all known to those skilled in the art, a constituent structure and an operating principle thereof are fixedly mounted at one sides of the left steering knuckle assembly 15 and the right steering knuckle assembly 16 with a left wheel-side driving assembly 17 and a right wheel-side driving assembly 18 respectively, the left wheel driving assembly 17 and the right wheel driving assembly 18 belong to the prior art, the composition structure and the working principle thereof are well known to those skilled in the art, the surfaces of the left steering knuckle assembly 15 and the right steering knuckle assembly 16 are respectively connected with a left pull rod assembly 22 and a right pull rod assembly 23 in a rotating way, the left pull rod assembly 22 and the right pull rod assembly 23 are respectively telescopic structures, the working principle thereof belong to the prior art, one ends of the left pull rod assembly 22 and the right pull rod assembly 23 are respectively detachably connected with a left ball seat 20 and a right ball seat 21, the left ball seat 20 and the right ball seat 21 are convenient for the rotating connection between the left pull rod assembly 22 and the right pull rod assembly 23 and the steering cylinder assembly 19, the surfaces of the left ball seat 20 and the right ball seat 21 are detachably connected with the steering cylinder assembly 19, the surfaces of the steering cylinder assembly 19 are fastened with the surfaces of the rear axle housing 1, the steering cylinder assembly 19 is provided with telescopic arms, which belongs to the prior art.
The other end fixedly connected with connecting plate 30 of left pull rod assembly 22, the fixed surface of connecting plate 30 cup joints bush 31, and the inner wall contact of bush 31 is connected with connecting axle 32, and connecting axle 32 and the surface fastening of left bulb seat 20, convenient the split can avoid producing wearing and tearing between connecting axle 32 and the connecting plate 30 through bush 31 simultaneously, and the both ends of supporting sleeve 24 are equipped with symmetrical void avoidance groove 25, avoid stop collar 29 and sealed bearing 26 to produce contact wear.
In this embodiment, through the connecting plate 30 and the bushing 31 and the connecting shaft 32 that the other end of the left pull rod assembly 22 and the right pull rod assembly 23 set up, make the left pull rod assembly 22 and the right pull rod assembly 23 have the function of disassembling and assembling with the bulb seat, make things convenient for overhauling and changing of left bulb seat 20 and right bulb seat 21 in later stage.
This wheel drive tractor rear steering axle structure, through the supporting sleeve 24 and the back shaft 27 that left pull rod assembly 22 and right pull rod assembly 23 set up, the dismantlement combination of left pull rod assembly 22 and right pull rod assembly 23 one end of being convenient for, the later stage is convenient for change, and great improvement the supporting stability and the wear resistance of one end junction moreover, and through connecting plate 30 and bush 31 and connecting axle 32 that left pull rod assembly 22 and right pull rod assembly 23 other end set up, make and have the function of dismantlement combination between left pull rod assembly 22 and right pull rod assembly 23 and the bulb seat, make things convenient for maintenance and change of later stage left bulb seat 20 and right bulb seat 21.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a wheel limit drive tractor rear steering axle structure, includes rear axle housing (1), its characterized in that: the rear axle housing (1) is fixedly connected with a left support (11) and a right support (12), a left half shaft shell (13) and a right half shaft shell (14) are respectively fixedly installed at two ends of the rear axle housing (1), a left steering knuckle assembly (15) and a right steering knuckle assembly (16) are respectively arranged on one sides of the left half shaft shell (13) and the right half shaft shell (14), a left wheel driving assembly (17) and a right wheel driving assembly (18) are respectively fixedly installed on one sides of the left steering knuckle assembly (15) and the right steering knuckle assembly (16), a left pull rod assembly (22) and a right pull rod assembly (23) are respectively and rotatably connected to the surfaces of the left steering knuckle assembly (15) and the right steering knuckle assembly (16), a left ball seat (20) and a right ball seat (21) are respectively and detachably connected to one ends of the left pull rod assembly (22) and the right pull rod assembly (23), and the left ball seat (20) and the right ball seat (21) are detachably connected to the surfaces of the left ball seat (20) and the right ball seat (21).
2. The rear steering axle structure of a wheel-side drive tractor as defined by claim 1, wherein: one end fixedly connected with support sleeve (24) of left pull rod assembly (22), the inner wall of support sleeve (24) is fixed to be cup jointed sealed bearing (26), the inner circle of sealed bearing (26) is fixed to be cup jointed back shaft (27), the surface of back shaft (27) has axisymmetric stop collar (29) through threaded connection.
3. The rear steering axle structure of a wheel-side drive tractor as defined by claim 2 wherein: the end face of the limiting sleeve (29) is in contact connection with the end face of the supporting sleeve (24), a threaded hole is formed in the center of the limiting sleeve (29), and external threads are formed in the surface of the supporting shaft (27).
4. The rear steering axle structure of a wheel-side drive tractor as defined by claim 2 wherein: the two ends of the supporting shaft (27) are provided with axially symmetrical short rods (28), the surfaces of the short rods (28) are provided with external threads, and the surfaces of the short rods (28) are fastened with the surfaces of the left steering knuckle assembly (15) through nuts.
5. The rear steering axle structure of a wheel-side drive tractor as defined by claim 1, wherein: the other end of the left pull rod assembly (22) is fixedly connected with a connecting plate (30), a bushing (31) is fixedly sleeved on the surface of the connecting plate (30), and a connecting shaft (32) is connected with the inner wall of the bushing (31) in a contact manner.
6. The rear steering axle structure of a wheel-side drive tractor as defined by claim 2 wherein: symmetrical empty avoiding grooves (25) are formed in two ends of the supporting sleeve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237379.2U CN219601372U (en) | 2023-02-07 | 2023-02-07 | Rear steering axle structure of wheel-side driving tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320237379.2U CN219601372U (en) | 2023-02-07 | 2023-02-07 | Rear steering axle structure of wheel-side driving tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219601372U true CN219601372U (en) | 2023-08-29 |
Family
ID=87755476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320237379.2U Active CN219601372U (en) | 2023-02-07 | 2023-02-07 | Rear steering axle structure of wheel-side driving tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219601372U (en) |
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2023
- 2023-02-07 CN CN202320237379.2U patent/CN219601372U/en active Active
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