Assembly tool for front axle
By designing an assembly fixture for the front axle, the front axle parts are precisely positioned using components such as a reference shaft, pressure sleeve, support base, and locating pin. This solves the problem of difficult part positioning in existing technologies and achieves high-precision assembly fixtures.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG YUXIN ELECTROMECHANICAL MFG CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-04-14
AI Technical Summary
In the existing technology, the front axle is composed of multiple plates and bushings, and it is difficult to accurately position the various parts, making assembly difficult.
A tooling assembly including a base, bushing positioning structure, support plate positioning structure, end seat positioning structure and reinforcing plate positioning structure is designed. The assembly uses components such as a reference shaft, pressure sleeve, support seat, positioning pin, positioning shaft, positioning cylinder, positioning plate and limit shaft to accurately position each part.
It enables precise positioning of each component of the front axle, reducing assembly difficulty and improving positioning accuracy.
Smart Images

Figure CN224116128U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of assembly tooling, and more specifically to an assembly tooling for a front axle. Background Technology
[0002] Assembly tooling, as the name suggests, is used to assemble multiple parts or components into a whole by clamping them together.
[0003] like Figure 1 As shown, there is a front axle comprising a lower support plate 201, an upper support plate 202 arranged opposite to the lower support plate 201, two end seats arranged at both ends of the lower support plate 201 and the upper support plate 202, two support plates 203 arranged between the lower support plate 201 and the upper support plate 202, bushings 204 mounted on the upper support plate 202 and the lower support plate 201, and a reinforcing plate 205 mounted on the upper support plate 202; the end seats include two ear plates 206 arranged opposite to each other, and an end plate 207 connecting the two ear plates 206; positioning holes are provided on the two ear plates 202, the reinforcing plate 205, the lower support plate 201, and the upper support plate 202. This front axle is composed of multiple plates and bushings, and it is difficult to position the various parts together, requiring high precision in assembly, making assembly difficult.
[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Summary of the Invention
[0005] To improve or solve the technical problem in the prior art where the front axle is composed of multiple plates and bushings, making it difficult to position the various parts, this utility model provides an assembly tooling for the front axle. The assembly tooling includes: a base; a bushing positioning structure, including a reference shaft mounted on the base and mating with the bushing, and a pressure sleeve connected to the end of the reference shaft away from the base; a support plate positioning structure, including a support seat mounted on the base, and a positioning pin mounted on the support seat; an end seat positioning structure, including a positioning shaft adapted to mate with a positioning hole on a lug plate, and a positioning cylinder adapted to be arranged between the two lug plates; a support plate positioning component, matching the shape of the lower support plate, and adapted to abut against the support plate, the lug plates, and the end plates; and a reinforcing plate positioning structure, including a positioning plate arranged on the upper support plate, and a limiting shaft mounted on the positioning plate and mating with a positioning hole on the reinforcing plate.
[0006] This utility model, used for assembling a front axle, includes a base, a bushing positioning structure, a support plate positioning structure, an end plate positioning structure, a support plate positioning component, and a reinforcing plate positioning structure. The base is used to mount the aforementioned structures. The bushing positioning structure includes a reference shaft mounted on the base and a pressure sleeve that mates with the reference shaft; the reference shaft mates with the bushing to position the bushing; the pressure head is connected to the reference shaft to lock the bushing onto the reference shaft, thereby achieving positioning and clamping of the bushing. The support plate positioning structure includes a support seat and a positioning pin; the support plate supports the lower support plate, thereby positioning the lower support plate vertically; the positioning pin mates with positioning holes on the upper and lower support plates, and the positioning pin and the bushing position the upper and lower support plates in the front-back and left-right directions. The end plate positioning structure includes a positioning shaft and a positioning cylinder; the positioning shaft mates with positioning holes on the ear plates to position the two ear plates; the positioning cylinder is arranged between the two ear plates to limit the distance between them. The support plate positioning component matches the shape of the lower support plate, allowing for easy attachment to the lower support plate. Simultaneously, the support plate positioning component abuts against the support plate, ear plate, and end plate, enabling positioning of the ear plate and end plate in conjunction with the end plate positioning structure. The reinforcing plate positioning structure includes a positioning plate and a limiting shaft. The limiting shaft mates with positioning holes on the reinforcing plate, enabling positioning of the reinforcing plate. Through the above-described design, this utility model's assembly fixture for the front axle can easily position the various plates and bushings of the front axle, ensuring positioning accuracy and reducing assembly difficulty.
[0007] Furthermore, a limiting ring matching the inner diameter of the bushing is formed at one end of the reference shaft near the base; the pressure sleeve includes a limiting part matching the inner diameter of the bushing and a pressing part abutting against the upper end of the bushing.
[0008] Furthermore, a positioning seat for mounting the positioning shaft is provided on the base; a positioning sleeve is fitted on the positioning shaft, and the end of the positioning sleeve away from the ear plate abuts against the positioning seat.
[0009] Furthermore, the support plate positioning member includes a first side adapted to match the edge shape of the lower support plate, a second side opposite to the first side and adapted to abut against the support plate, and a third side adapted to abut against the end plate and the ear plate.
[0010] Furthermore, a positioning block is provided on one side of the positioning plate, and the positioning block is adapted to abut against the side of the upper support plate.
[0011] Furthermore, a positioning groove that matches the bushing is provided on the positioning plate, and the positioning groove is arranged on the side away from the positioning plate.
[0012] Furthermore, an abutment block suitable for abutting against the reinforcing plate is arranged on the positioning plate.
[0013] Furthermore, a limiting seat for mounting the limiting shaft is arranged on the positioning plate; a spacer suitable for abutting against the reinforcing plate is sleeved on the circumferential outer side of the limiting shaft, and the spacer abuts against the limiting seat.
[0014] In summary, compared with the prior art, this utility model has the following beneficial effects:
[0015] (1) The bushing positioning structure includes a reference shaft mounted on the base and a pressure sleeve that mates with the reference shaft; the reference shaft mates with the bushing to position the bushing; the pressure head is connected to the reference shaft to lock the bushing onto the reference shaft, thereby achieving positioning and clamping of the bushing.
[0016] (2) The support plate positioning structure includes a support base and a positioning pin. The support plate can support the lower support plate, thereby positioning the lower support plate in the vertical direction. The positioning pin matches the positioning holes on the upper and lower support plates. The positioning pin and the bushing position the upper and lower support plates in the front-back and left-right directions.
[0017] (3) The support plate positioning component matches the shape of the lower support plate and can be easily attached to the lower support plate; at the same time, the support plate positioning component abuts against the support plate, ear plate and end plate, and can cooperate with the end plate positioning structure to position the ear plate and end plate. Attached Figure Description
[0018] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:
[0019] Figure 1 This is a schematic diagram of the front axle;
[0020] Figure 2 This is a schematic diagram of an embodiment of the assembly tooling for the front axle of this utility model and the assembly of the front axle;
[0021] Figure 3 This is a schematic diagram of an embodiment of the assembly tooling for the front axle of this utility model.
[0022] List of reference numerals in the attached drawings: 1. Base; 2. Bushing positioning structure; 21. Reference shaft; 22. Pressure sleeve; 23. Mounting plate; 24. Limiting ring; 25. Limiting part; 26. Pressing part; 3. Support plate positioning structure; 31. Support seat; 32. Positioning pin; 4. End seat positioning structure; 41. Positioning shaft; 42. Positioning cylinder; 43. Positioning seat; 44. Positioning sleeve; 5. Support plate positioning component; 51. First side; 52. Second side; 53. Third side; 6. Reinforcing plate positioning structure; 61. Positioning plate; 62. Limiting shaft; 63. Positioning block; 64. Abutting block; 65. Limiting seat; 66. Spacer; 201. Lower support plate; 202. Upper support plate; 203. Support plate; 204. Bushing; 205. Reinforcing plate; 206. Ear plate; 207. End plate. Detailed Implementation
[0023] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.
[0024] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "inner," and "outer," which indicate directional or positional relationships, are based on the directional or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0026] In order to improve or solve the technical problem that the front axle is composed of multiple plates and bushings in the prior art, and that it is difficult to position the various parts together, this utility model provides an assembly tooling for the front axle. The tooling set includes: a base 1; a bushing positioning structure 2, including a reference shaft 21 mounted on the base 1 and mating with the bushing 204, and a pressure sleeve 22 connected to the end of the reference shaft 21 away from the base 1; a support plate positioning structure 3, including a support seat 31 mounted on the base 1, and a positioning pin 32 mounted on the support seat 31; an end seat positioning structure 4, including a positioning shaft 41 adapted to mate with a positioning hole on the ear plate 206, and a positioning cylinder 42 adapted to be arranged between the two ear plates 206; a support plate positioning member 5, which matches the shape of the lower support plate 201 and is adapted to abut against the support plate 203, the ear plate 206 and the end plate 207; and a reinforcing plate positioning structure 6, including a positioning plate 61 arranged on the upper support plate 202 and a limiting shaft 62 mounted on the positioning plate 61 and mating with a positioning hole on the reinforcing plate 205.
[0027] Figure 2 This is a schematic diagram of an embodiment of the assembly tooling for front axles and front axle assembly according to the present invention. Figure 3 This is a schematic diagram of an embodiment of the assembly tooling for a front axle according to this utility model. Figure 2 and Figure 3 As shown, in one or more embodiments, the assembly fixture for the front axle of this utility model includes a base 1, a bushing positioning structure 2, a support plate positioning structure 3, an end seat positioning structure 4, a support plate positioning component 5, and a reinforcing plate positioning structure 6.
[0028] See also Figure 2 and Figure 3 The bushing positioning structure 2 is installed in the middle of the base 1. In one or more embodiments, the bushing positioning structure 2 includes a reference shaft 21 mounted on the base 1 and a pressure sleeve 22 arranged at the end of the reference shaft 21 away from the base 1. Specifically, a mounting plate is provided on the base 1, and a mounting disc 23 is formed at the end of the reference shaft 21 away from the pressure head. The mounting plate is fixed to the base 1 by bolts, and the mounting disc 23 is fixed to the mounting plate by bolts. Further, a limiting ring 24 is provided at the end of the reference shaft 21 near the mounting disc 23. The limiting ring 24 matches the inner diameter of the bushing 204, thereby positioning the bushing 204. A thread is provided at the end of the reference shaft 21 away from the base 1, and the pressure sleeve 22 is fixedly connected to the reference shaft 21 through the threaded structure. Specifically, the pressure sleeve 22 includes a limiting part 25 whose outer diameter matches the inner diameter of the bushing 204, and a pressing part 26 arranged at the upper end of the bushing 204. The bushing 204 is arranged between the pressing part 26 and the mounting plate 23, thereby enabling the bushing 204 to be positioned.
[0029] See also Figure 2 and Figure 3The support plate positioning structure 3 is provided in two sets, which are arranged opposite to each other. In one or more embodiments, the support plate positioning structure 3 includes a support seat 31 mounted on the base 1 and a positioning pin 32 mounted on the support seat 31. Specifically, a mounting plate is also provided between the support seat 31 and the base 1, and the mounting plate is fixedly connected to the base 1 by bolts. The lower support plate 201 abuts against the support seat 31. Exemplarily, the support seat 31 is fixed to the mounting plate, and the positioning pin 32 is fixedly connected to the support seat 31 by a threaded structure. The positioning pin 32 mates with the positioning holes on the upper support plate 202 and the lower support plate 201, thereby positioning the upper support plate 202 and the lower support plate 201.
[0030] Continue to participate Figure 2 and Figure 3 Two sets of end-seat positioning structures 4 are provided, each set located near one end of the base 1. In one or more embodiments, the end-seat positioning structure 4 includes a positioning shaft 41 that mates with a positioning hole on the ear plate 206, and a positioning cylinder 42 arranged between the two ear plates 206. Specifically, two positioning seats 43 are provided on the base 1, and each positioning seat 43 has a through hole that mates with the positioning shaft 41, thereby clamping both ends of the positioning shaft 41. Further, two positioning sleeves 44 are sleeved around the circumferential outer side of the positioning shaft 41. Specifically, one end of the positioning sleeve 44 abuts against the positioning seat 43, and the other end abuts against the ear plate 206. Further, the positioning cylinder 42 is generally cylindrical, and both ends of the positioning cylinder 42 abut against the two ear plates 206, thereby positioning the distance between the two ear plates 206. Furthermore, the positioning shaft 41 of the end plate 207 fixing structure can be replaced with a shaft with an abutment plate at one end and a threaded sleeve connected to the other end via a threaded structure. Two ear plates 206 are respectively arranged on the positioning seat 43 and the abutment plate, and the positioning seat 43 abuts against the threaded sleeve. This type of positioning shaft 41 can clamp the ear plates 206, thus eliminating the need for the positioning cylinder 42. Furthermore, the support plate positioning member 5 is arranged on the lower support plate 201 and matches the shape of the lower support plate 201. Specifically, the support plate positioning member 5 is generally plate-shaped and includes a first side 51 that matches the edge shape of the lower support plate 201, a second side 52 arranged opposite to the first side 51, and a third side 53 that abuts against the end plate 207 and the ear plates 206. The second side 52 abuts against the support plate 203, and multiple weight-reducing grooves are formed on the second side 52.
[0031] See also Figure 2 and Figure 3The reinforcing plate 205 is positioned on the upper support plate 202. In one or more embodiments, the reinforcing plate positioning structure 6 includes a positioning plate 61 arranged on the upper support plate 202 and a limiting shaft 62 mounted on the positioning plate 61. Specifically, the positioning plate 61 is generally rectangular and has a first side aligned with the edge of the upper support plate 202 and a second side abutting against the reinforcing plate 205. In one or more embodiments, a positioning block 63 is provided on the positioning plate 61, the positioning block 63 is arranged on the first side and abuts against the side edge of the upper support plate 202. Further, an abutting block 64 is provided on the positioning plate 61, the abutting block 64 extends out of the positioning plate 61 and abuts against the reinforcing plate 205. Two abutting blocks 64 are provided, and the two abutting blocks 64 are arranged along the length direction of the positioning plate 61. Further, a positioning groove matching the bushing 204 is provided on the second side, so that the second side forms an arc-shaped notch matching the bushing 204. The second side of the positioning plate 61 is fitted with the bushing 204 to position the positioning plate 61, which in turn positions the reinforcing plate 205. Furthermore, a limiting seat 65 is arranged on the positioning plate 61, and the limiting shaft 62 is fixed to the limiting seat 65. Specifically, a spacer 66 is sleeved on the limiting shaft 62, with one end of the spacer 66 abutting against the limiting seat 65 and the other end abutting against the reinforcing plate 205.
[0032] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the protection scope of this utility model.
Claims
1. An assembly tooling for a front axle, characterized in that, include: Base (1); The bushing positioning structure (2) includes a reference shaft (21) mounted on the base (1) and mating with the bushing (204), and a pressure sleeve (22) connected to the end of the reference shaft (21) away from the base (1); The support plate positioning structure (3) includes a support seat (31) mounted on the base (1) and a positioning pin (32) mounted on the support seat (31); The end seat positioning structure (4) includes a positioning shaft (41) adapted to mate with a positioning hole on the ear plate (206) and a positioning cylinder (42) adapted to be arranged between the two ear plates (206); The support plate positioning element (5) is shaped to match the lower support plate (201) and is adapted to abut against the support plate (203), the ear plate (206) and the end plate (207); The reinforcing plate positioning structure (6) includes a positioning plate (61) arranged on the upper support plate (202) and a limiting shaft (62) mounted on the positioning plate (61) and matching the positioning hole on the reinforcing plate (205).
2. The assembly tooling for a front axle according to claim 1, characterized in that, A limiting ring (24) matching the inner diameter of the bushing (204) is formed at one end of the reference shaft (21) near the base (1); the pressure sleeve (22) includes a limiting part (25) matching the inner diameter of the bushing (204) and a pressing part (26) abutting against the upper end of the bushing (204).
3. The assembly tooling for a front axle according to claim 1, characterized in that, A positioning seat (43) for mounting the positioning shaft (41) is provided on the base (1); a positioning sleeve (44) is sleeved on the positioning shaft (41), and the end of the positioning sleeve (44) away from the ear plate (206) abuts against the positioning seat (43).
4. The assembly tooling for a front axle according to claim 1, characterized in that, The support plate positioning member (5) includes a first side (51) adapted to match the edge shape of the lower support plate (201), a second side (52) opposite to the first side (51) and adapted to abut against the support plate (203), and a third side (53) adapted to abut against the end plate (207) and the ear plate (206).
5. The assembly tooling for a front axle according to claim 1, characterized in that, A positioning block (63) is provided on one side of the positioning plate (61), and the positioning block (63) is adapted to abut against the side of the upper support plate (202).
6. The assembly tooling for a front axle according to claim 5, characterized in that, A positioning groove is provided on the positioning plate (61) to match the bushing (204), and the positioning groove is arranged on the side away from the positioning plate (61).
7. The assembly tooling for a front axle according to claim 1, characterized in that, An abutment block (64) suitable for abutting against the reinforcing plate (205) is arranged on the positioning plate (61).
8. The assembly tooling for a front axle according to claim 1, characterized in that, A limiting seat (65) for mounting the limiting shaft (62) is arranged on the positioning plate (61); a spacer (66) suitable for abutting against the reinforcing plate (205) is sleeved on the circumferential outer side of the limiting shaft (62), and the spacer (66) abuts against the limiting seat (65).