Portable bushing dismounting tool

Abstract

The utility model relates to a portable bush dismantling and assembling tool, including bearing frame, jacking device and locating ram, the bearing frame on be provided with middle part leak empty, the bottom department of middle part leak empty is vertically installed with jacking device, the jacking device includes cylinder body and shoots out the axle, the cylinder body is installed with the shoot out axle that stretches out upwards, locating ram is installed on the shoot out axle and is vertically installed, the upper end of bearing frame is provided with and the discharge hole of locating ram corresponds, the downside of discharge hole is installed with the clamp support block. The utility model has simple structure, easy operation improves the spare part efficiency etc.

Description

Technical Field

[0001] This utility model relates to the field of longitudinal tie rod processing fixtures, and in particular to a portable bushing assembly and disassembly tool. Background Technology

[0002] In the automotive manufacturing industry, the front lower control arm is an important component of the suspension system. It mainly connects the wheels to the body or subframe through the steering knuckle, while controlling the movement trajectory of the wheels to ensure the stability and handling of the vehicle. With the rapid development of the automotive industry, consumers have increasingly higher requirements for the performance and comfort of automobiles, which has prompted automakers to continuously optimize the suspension system, especially the design and manufacturing of the front lower control arm.

[0003] One end of the front lower control arm is connected to the steering knuckle via a ball joint, and the other end is connected to the vehicle body or subframe via a bushing, forming a rigid structure of the suspension. In addition, when the vehicle is bumpy, the control arm swings up and down to guide the wheels to move along a specific trajectory and prevent lateral deviation. With the rapid development of new energy vehicles, the front lower control arm is generally designed as a triangular structure, which has high rigidity and is mostly used in double wishbone suspensions.

[0004] To achieve a comfortable chassis structure, frequent road tests will be conducted during the development cycle to verify ball joint wear, bushing aging cycles, and control arm deformation. However, test track environments are often harsh and remote from the production base. If bushing replacement is needed, without press-fitting equipment, the front lower control arm must be disassembled and returned to the production base, lengthening the testing cycle. To improve road test efficiency and shorten the cycle, a new bushing disassembly and assembly tooling has been developed to meet current usage requirements. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a portable bushing assembly and disassembly tool, which solves the problem of pressing out bushings in the absence of pressing equipment, and improves the efficiency of changing parts.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: a portable bushing disassembly and assembly tool is provided, including a support frame, a lifting device and a positioning pressure head. The support frame is provided with a central opening. The lifting device is vertically installed at the bottom of the central opening. The lifting device includes a cylinder and an injection shaft. The injection shaft extending upward is installed in the cylinder. The positioning pressure head is installed vertically on the injection shaft. The upper end of the support frame is provided with a discharge hole corresponding to the positioning pressure head. A clamp support block is installed on the lower side of the discharge hole.

[0007] As a supplement to this technical solution, the middle part of the injection shaft is provided with a vertical through hole that extends through both ends.

[0008] As a supplement to this technical solution, the lower part of the bearing frame is provided with a lower hole corresponding to the injection shaft, and a detachable plug is installed in the lower hole.

[0009] As a supplement to this technical solution, a positioning groove is provided in the middle of the upper end of the positioning head.

[0010] As a supplement to this technical solution, the clamp support block includes a semi-circular clamp, a connecting block, and a locking bolt. There are two semi-circular clamps arranged symmetrically front to back. A connecting block is installed between one end of the two semi-circular clamps. The connecting block and the semi-circular clamp are connected by a rotating shaft. A locking bolt is installed between the other ends of the two semi-circular clamps.

[0011] As a supplement to this technical solution, a limiting step is provided at the lower part of the inner ring of the clamp support block.

[0012] Beneficial effects: This utility model relates to a portable bushing assembly and disassembly tool, which has a simple structure, is easy to operate, and improves the efficiency of changing parts; it presses the bushing in place, ensuring the assembly accuracy of the bushing; it has a compact structure, saving carrying space; it is suitable for both left and right parts, improving the versatility of manual tooling, and can solve the problem of quickly changing bushings when there is a lack of pressing equipment, thus greatly improving work efficiency. Attached Figure Description

[0013] Figure 1 This is the front view of this utility model;

[0014] Figure 2 This is a structural view of the present invention;

[0015] Figure 3 This is a utility model Figure 1 A sectional view along the A-A direction;

[0016] Figure 4 This is the front view of the utility model when it is modified to eject the washer;

[0017] Figure 5 This is a structural view of the present invention when it is modified to eject the washer;

[0018] Figure 6 This is a utility model Figure 4 A cross-sectional view along the B-B direction;

[0019] Figure 7 This is the front view of the present invention when it is modified for press fitting;

[0020] Figure 8 This is a structural view of the present invention when it is modified for press fitting;

[0021] Figure 9 This is a utility model Figure 7 A cross-sectional view along the C-C direction;

[0022] Figure 10 This is a structural view of the clamp support block described in this utility model.

[0023] Illustration: 1. Front lower control arm, 2. Bushing mounting body, 3. Bushing end cap, 4. Bushing structure, 5. Bearing frame, 6. Central opening, 7. Lifting device, 8. Discharge hole, 9. Lower hole, 10. Removable plug, 11. Cylinder body, 12. Positioning groove, 13. Injection shaft, 14. Vertical through hole, 15. Force-bearing tie rod, 16. Fastening nut, 17. Washer, 18. Support pad, 19. Flat pressure head, 20. Connecting block, 21. Semi-circular clamp, 22. Locking bolt, 23. Limiting step, 24. Washer, 25. Positioning pressure head. Detailed Implementation

[0024] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.

[0025] The embodiments of this utility model relate to a portable bushing assembly / disassembly tool, such as... Figure 1 — Figure 3 As shown, the device includes a support frame 5, a lifting device 7, and a positioning head 25. The support frame 5 has a central opening 6. The lifting device 7 is vertically installed at the bottom of the central opening 6. The lifting device 7 includes a cylinder 11 and an injection shaft 13. The injection shaft 13 extends upward inside the cylinder 11. The positioning head 25 is vertically installed on the injection shaft 13. The upper end of the support frame 5 has a discharge hole 8 corresponding to the positioning head 25. A clamp support block 3 is installed on the lower side of the discharge hole 8.

[0026] As a supplement to this technical solution, the middle part of the injection shaft 13 is provided with a vertical through hole 14 that extends through both ends.

[0027] As a supplement to this technical solution, the lower part of the bearing frame 5 is provided with a lower hole 9 corresponding to the injection shaft 13, and a detachable plug 10 is installed in the lower hole 9.

[0028] As a supplement to this technical solution, a positioning groove 12 is provided at the upper middle part of the positioning head 25.

[0029] like Figure 10 As shown, as a supplement to this technical solution, the clamp support block 3 includes a semi-circular clamp 21, a connecting block 20, and a locking bolt 22. There are two semi-circular clamps 21 arranged symmetrically front and back. A connecting block 20 is installed between one end of the two semi-circular clamps 21. The connecting block 20 and the semi-circular clamp 21 are connected by a rotating shaft. A locking bolt 22 is installed between the other ends of the two semi-circular clamps 21.

[0030] As a supplement to this technical solution, a limiting step 23 is provided at the lower part of the inner ring of the clamp support block 3.

[0031] Firstly, the device is mainly used to disassemble and assemble the front lower control arm 1. One end of the arm is equipped with a bushing mounting body 2. The bushing mounting body 2 is equipped with a bushing mounting hole. A washer 24 is installed in the bushing mounting hole. A bushing structure 4 is installed in the inner ring of the washer 24. Bushing end caps 3 are installed on both the upper and lower ends of the bushing mounting hole.

[0032] When performing the dismantling operation, firstly, the positioning pressure head 25 is installed on the injection shaft 13. The lower end of the positioning pressure head 25 will be inserted into the vertical through hole 14, allowing the positioning pressure head 25 to be quickly positioned. At the same time, the front lower control arm 1, which completes the bushing installation, extends into the positioning pressure head 25. The clamp support block 3 covers the bushing end cap 3 located on the upper side. Then, the lifting device 7 is activated, and the injection shaft 13 of the lifting device 7 extends, so that the upper side of the clamp support block 3 and the lower side of the discharge hole 8 are in contact. At the same time, the middle through hole of the clamp support block 3 and the discharge hole 8 are aligned. At this time, the bushing structure 4 and the discharge hole 8 are aligned. Finally, the injection shaft 13 of the lifting device 7 is activated again, and the injection shaft 13 will push the bushing structure 4 out of the bushing mounting body 2. The bushing structure 4 is discharged from the discharge hole 8.

[0033] Example

[0034] like Figure 4 — Figure 6As shown, with appropriate modifications, this device can be used to remove the washer 24 from the bushing mounting hole. First, the removable plug 10 is removed, and the positioning pressure head 25 is also removed. Then, the force-bearing tie rod 15 is vertically inserted through the vertical through hole 14. At the same time, a support pad 18 is installed on the injection shaft 13. The support pad 18 has a receiving groove in the middle, and its outer ring abuts against the bushing mounting body 2. A washer 17 with its lower side abutting against the upper end of the washer 24 is installed on the upper end of the force-bearing tie rod 15. A washer 17 with its lower side abutting against the upper end of the washer 24 is installed on the upper side of the washer 17, forming a shape with the force-bearing tie rod 15. The threaded fastening nut 16 is installed at the lower end of the force-bearing rod 15, and the upper side of the washer 17 is installed on the lower side of the washer 17 located at the lower end of the force-bearing rod 15 to form a threaded connection with the force-bearing rod 15. When the lifting device 7 is activated, the injection shaft 13 of the lifting device 7 pushes the support pad 18, the support pad 18 pushes the bushing mounting body 2, and at the same time the force-bearing rod 15 pulls the washer 24, so that the washer 24 can be pulled out from the bushing mounting hole and fall into the storage groove of the support pad 18.

[0035] like Figure 7 — Figure 9 As shown, with appropriate modifications, this device can be used to press-fit the bushing structure 4. During operation, the basic scheme is used as the basis. First, the flat pressure head 19 is installed inside the lower side of the discharge hole 8. Then, the positioning pressure head 25 is removed, and the support pad 18 is installed on the injection shaft 13. The bushing end cap 3 is installed on the receiving groove of the support pad 18. Then, the bushing mounting body 2 in the front lower control arm 1 is extended into the support pad 18. After completion, the washer 24, the bushing structure 4 and the bushing end cap 3 are installed on the bushing mounting hole of the bushing mounting body 2 respectively. Then, the lifting device 7 is started, and the injection shaft 13 of the lifting device 7 pushes the support pad 18. The support pad 18 and the flat pressure head 19 press the washer 24 and the bushing structure 4 into the bushing mounting body 2.

Claims

1. A portable bushing assembly / disassembly tool, characterized in that: The device includes a support frame (5), a lifting device (7), and a positioning head (25). The support frame (5) has a central opening (6). The lifting device (7) is vertically installed at the bottom of the central opening (6). The lifting device (7) includes a cylinder (11) and an injection shaft (13). The injection shaft (13) extends upward inside the cylinder (11). The positioning head (25) is vertically installed on the injection shaft (13). The upper end of the support frame (5) has a discharge hole (8) corresponding to the positioning head (25). A clamp support block (3) is installed on the lower side of the discharge hole (8).

2. The portable bushing assembly / disassembly fixture according to claim 1, characterized in that: The ejection shaft (13) is provided with a vertical through hole (14) that runs through both ends in the middle.

3. The portable bushing assembly / disassembly fixture according to claim 1, characterized in that: The lower part of the bearing frame (5) is provided with a lower hole (9) corresponding to the injection shaft (13), and a detachable plug (10) is installed in the lower hole (9).

4. The portable bushing assembly / disassembly fixture according to claim 1, characterized in that: The positioning head (25) is provided with a positioning groove (12) at the middle of its upper end.

5. The portable bushing assembly / disassembly fixture according to claim 1, characterized in that: The clamp support block (3) includes a semi-circular clamp (21), a connecting block (20), and a locking bolt (22). There are two semi-circular clamps (21) arranged symmetrically front and back. A connecting block (20) is installed between one end of the two semi-circular clamps (21). The connecting block (20) and the semi-circular clamp (21) are connected by a rotating shaft. A locking bolt (22) is installed between the other ends of the two semi-circular clamps (21).

6. The portable bushing assembly / disassembly fixture according to claim 1, characterized in that: The lower part of the inner ring of the clamp support block (3) is provided with a limiting step (23).

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