Automobile suspension pipe testing fixture

CN224608346UActive Publication Date: 2026-08-07SICHUAN KESDA AUTOMOBILE BRAKE SYST GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN KESDA AUTOMOBILE BRAKE SYST GRP
Filing Date
2025-10-16
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0005]然而,上述技术在应用过程中,由于上夹具、下夹具与限位块之间的距离相对固定,在转向拉杆的高度发生变化时,难以进行对应的调整,使得整体的适用性较差

Benefits of technology

[0028]本实用新型提供了一种汽车悬挂管件检具。与现有技术相比具备以下有益效果:

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Abstract

The utility model discloses a kind of automobile suspension pipe fittings testing fixture, comprising: bearing plate, the top end of bearing plate is fixedly connected with linear guide and transmission frame, displacement seat is slidably connected on transmission frame, the top end of displacement seat is vertically slidably connected with limiting frame;Adjusting assembly, adjusting assembly is assembled in the inside of transmission frame, for driving displacement seat adjustment along linear guide;Positioning assembly, positioning assembly is assembled in the top of bearing plate and is away from the one end of limiting frame, positioning assembly is used to cooperate limiting frame and form the height detection of steering drag link, adjusting assembly includes: transmission screw, transmission screw is transversely rotatably connected in the inside of transmission screw, the utility model relates to automobile production technical field;The utility model is cooperated by the structure of limiting frame and positioning assembly, can be from steering drag link two end portions, realize the assembly of steering drag link, and can be separated with the degree of steering drag link and limiting frame by the rotation of steering drag link, to judge whether the height of steering drag link meets demand.
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Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically an inspection tool for automobile suspension pipe components. Background Technology

[0002] The steering tie rod is an important component of the car's suspension system. It plays a role in transmitting motion during car steering and directly affects the stability of car handling, the safety of operation, and the lifespan of tires.

[0003] Currently, steering tie rods are divided into two categories: steering straight tie rods and steering lateral tie rods. Steering straight tie rods are responsible for transmitting the movement of the steering rocker arm to the steering knuckle arm; steering lateral tie rods are the base of the steering trapezoidal mechanism.

[0004] Before the steering tie rod is put into use, its height needs to be tested to determine whether the steering tie rod meets the usage requirements. According to the search, a pneumatic testing device for automotive steering tie rod with the publication number CN221099573U is used to achieve height screening by using a rotary cylinder for positioning and clamping, and then using a limit device for opening and closing.

[0005] However, in the application of the above technology, since the distance between the upper clamp, the lower clamp and the limit block is relatively fixed, it is difficult to make corresponding adjustments when the height of the steering tie rod changes, resulting in poor overall applicability.

[0006] Therefore, this utility model provides an inspection tool for automotive suspension pipe components to solve the above problems. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides an inspection tool for automotive suspension pipe components, which solves the aforementioned problems.

[0008] To achieve the above objectives, this utility model provides the following technical solution: an inspection tool for automotive suspension pipe components, comprising:

[0009] A support plate, the top of which is fixedly connected to a linear guide rail and a transmission frame, a displacement seat is slidably connected to the transmission frame, and a limit frame is longitudinally slidably connected to the top of the displacement seat;

[0010] An adjustment component, which is assembled inside the transmission frame, is used to drive the displacement seat to adjust along the linear guide rail;

[0011] A positioning component is mounted on the top of the support plate at the end away from the limit frame. The positioning component is used to cooperate with the limit frame to form a height detection of the steering tie rod.

[0012] Preferably, the adjustment component includes:

[0013] A transmission screw is laterally rotatably connected inside the transmission screw, and a displacement plate is threadedly connected to the transmission screw, with one end of the displacement plate also fixedly connected to a displacement seat;

[0014] A servo motor is fixedly connected to one end of the transmission frame, and the output end of the servo motor is fixedly connected to the transmission frame.

[0015] Preferably, the positioning component includes:

[0016] A support plate is fixedly connected to the top of the bearing plate at the end away from the limiting frame. A support frame is fixedly connected to the top of the support plate. A support shaft is vertically rotatably connected inside the support frame. A positioning plate A is fixedly connected to the bottom of the outer side of the support shaft.

[0017] An adjusting screw is threadedly connected to the top of the support frame. One end of the adjusting screw, located inside the support frame, is rotatably connected to a push plate. One end of the push plate is vertically rotatably connected to a hollow shaft, which is also slidably connected to the outside of the support shaft. A positioning plate B is fixedly connected to the outside of the hollow shaft.

[0018] A drive assembly, which is mounted on the top of the support plate, is used to cooperate with the positioning plate A to drive the steering tie rod to rotate.

[0019] Preferably, the driving component includes:

[0020] A drive frame is fixedly connected to the end of the support plate away from the support frame. A drive shaft is rotatably connected to the middle of the drive frame. An eccentric plate is fixedly connected to the top of the drive shaft. A linkage rod is rotatably connected to the end of the eccentric plate away from the drive shaft. The end of the linkage rod away from the eccentric plate is also rotatably connected to the positioning plate A.

[0021] A drive motor is fixedly connected to the top of the drive frame, and an assembly plate is fixedly connected to the output end of the drive motor. Limit slots are provided on both sides of the assembly plate.

[0022] The guide rod has its bottom end movably connected to the middle of the eccentric plate to drive the eccentric plate to swing back and forth. Both sides of the top of the guide rod are fixedly connected with locking screws, and the two locking screws are respectively located inside the two limiting through slots. Both locking screws are threaded with stop plates.

[0023] Preferably, a placement opening is provided at the top of one side of the protective frame, a protective door is provided on the placement opening, and an observation window is provided on the protective door.

[0024] Preferably, a stabilizing rod is vertically slidably connected to the top of the support frame, and the bottom end of the stabilizing rod is fixedly connected to the push plate.

[0025] Preferably, a linkage bar is fixedly connected to the outer side of the support shaft, and a linkage groove adapted to the linkage bar is opened on the inner wall of the hollow shaft, and the linkage bar is also slidably connected inside the linkage bar.

[0026] Preferably, the eccentric plate has a linkage slot in the middle, and the guide rod cooperates with the inclined surface of the linkage slot to drive the eccentric plate to rotate.

[0027] Beneficial effects

[0028] This utility model provides an inspection tool for automotive suspension tubes. Compared with the prior art, it has the following advantages:

[0029] This automotive suspension component inspection fixture, through the structural cooperation of the limit bracket and positioning assembly, enables the assembly of the steering tie rod from both ends. Furthermore, by rotating the steering tie rod, the degree of separation between the steering tie rod and the limit bracket can be checked, thereby determining whether the height of the steering tie rod meets the requirements.

[0030] This automotive suspension pipe fitting inspection fixture, through the adjustment of the components and the drive components, can adjust the distance between the limit bracket and the positioning plate A according to the size of the steering tie rod, and can control the rotation amplitude of the steering tie rod, thereby greatly improving the overall applicability. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the entire utility model;

[0032] Figure 2 This is a side view of the present invention;

[0033] Figure 3 This is a schematic diagram of the transmission of the displacement plate of this utility model;

[0034] Figure 4 This is a schematic diagram of the transmission of the linkage rod of this utility model;

[0035] Figure 5 This is a schematic diagram showing the separation of the support shaft and the hollow shaft of this utility model;

[0036] Figure 6 This is a schematic diagram showing the separation of the locking screw and the stop plate of this utility model.

[0037] In the diagram: 1. Bearing plate; 2. Linear guide rail; 3. Transmission frame; 4. Displacement seat; 5. Limiting frame; 6. Adjustment assembly; 7. Positioning assembly; 8. Protective frame; 9. Transmission screw; 10. Displacement plate; 11. Servo motor; 12. Support plate; 13. Support frame; 14. Support shaft; 15. Positioning plate A; 16. Adjustment screw; 17. Push plate; 18. Hollow shaft; 19. Positioning plate B; 20. Drive frame; 21. Drive shaft; 22. Eccentric plate; 23. Linkage rod; 24. Drive motor; 25. Assembly plate; 26. Limiting slot; 27. Guide rod; 28. Locking screw; 29. ​​Stop plate; 30. Protective door; 31. Controller. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Example 1:

[0040] Please see Figure 1-6 A vehicle suspension tube inspection tool, comprising:

[0041] The bearing plate 1 has a linear guide rail 2 and a transmission frame 3 fixedly connected to its top end. A displacement seat 4 is slidably connected to the transmission frame 3. A limit frame 5 is longitudinally slidably connected to the top end of the displacement seat 4.

[0042] Adjustment component 6 is assembled inside the transmission frame 3 and is used to drive the displacement seat 4 to adjust along the linear guide rail 2.

[0043] Positioning component 7 is assembled on the top of the bearing plate 1 at the end away from the limit frame 5. Positioning component 7 is used to cooperate with the limit frame 5 to form the height detection of the steering tie rod.

[0044] In other embodiments, a linear displacement sensor may also be provided on the displacement seat 4 to detect the amount of movement of the limit frame 5;

[0045] In other embodiments, the limiting frame 5 can also be pneumatically driven;

[0046] In this embodiment, a loading port is provided at the top of one side of the protective frame 8, and a protective door 30 is provided on the loading port. An observation window is provided on the protective door 30. With the setting of the protective door 30, after the steering tie rod is mounted, the loading port can be blocked by the protective door 30, making the operation of personnel safer.

[0047] In this embodiment, the adjustment component 6 includes:

[0048] The transmission screw 9 is laterally rotatably connected inside the transmission screw 9. The transmission screw 9 is threadedly connected to the displacement plate 10, and one end of the displacement plate 10 is also fixedly connected to the displacement seat 4.

[0049] Servo motor 11 is fixedly connected to one end of transmission frame 3, and the output end of servo motor 11 is fixedly connected to transmission frame 3.

[0050] Example 2:

[0051] Please see Figure 1-6 This embodiment provides a technical solution based on Embodiment 1: the positioning component 7 includes:

[0052] Support plate 12 is fixedly connected to the top of the bearing plate 1 at the end away from the limit frame 5. Support frame 13 is fixedly connected to the top of support plate 12. Support shaft 14 is vertically rotatably connected inside support frame 13. Positioning plate A15 is fixedly connected to the bottom of the outer side of support shaft 14.

[0053] Adjusting screw 16 is threaded to the top of support frame 13. One end of adjusting screw 16 located inside support frame 13 is rotatably connected to push plate 17. One end of push plate 17 is vertically rotatably connected to hollow shaft 18. Hollow shaft 18 is also slidably connected to the outside of support shaft 14. Positioning plate B19 is fixedly connected to the outside of hollow shaft 18.

[0054] The drive assembly is mounted on the top of the support plate 12 and is used to cooperate with the positioning plate A15 to drive the steering tie rod to rotate.

[0055] In this embodiment, a stabilizing rod is vertically slidably connected to the top of the support frame 13, and the bottom end of the stabilizing rod is fixedly connected to the push plate 17. By setting the stabilizing rod, the vertical displacement of the push plate 17 can be effectively guided, so as to avoid the push plate 17 from undergoing uncontrollable displacement, thereby ensuring the stability of the push plate 17 in application.

[0056] In this embodiment, a linkage bar is fixedly connected to the outer side of the support shaft 14, and a linkage groove adapted to the linkage bar is opened on the inner wall of the hollow shaft 18. The linkage bar is also slidably connected inside the linkage bar. Through the setting of the linkage bar and the linkage groove, the hollow shaft 18 can be vertically displaced along the support shaft 14. Since the linkage bar is located inside the linkage groove, when the support shaft 14 rotates, it can drive the hollow shaft 18 to rotate synchronously.

[0057] In this embodiment, the driving component includes:

[0058] The drive frame 20 is fixedly connected to the end of the support plate 12 away from the support frame 13. The drive frame 20 is rotatably connected to the middle of the drive shaft 21. The top end of the drive shaft 21 is fixedly connected to the eccentric plate 22. The end of the eccentric plate 22 away from the drive shaft 21 is rotatably connected to the linkage rod 23. The end of the linkage rod 23 away from the eccentric plate 22 is also rotatably connected to the positioning plate A15.

[0059] The drive motor 24 is fixedly connected to the top of the drive frame 20. The output end of the drive motor 24 is fixedly connected to the assembly plate 25. Limiting slots 26 are opened on both sides of the assembly plate 25.

[0060] The bottom end of the guide rod 27 is also movably connected to the middle of the eccentric plate 22 to drive the eccentric plate 22 to swing back and forth. Both sides of the top of the guide rod 27 are fixedly connected with locking screws 28, and the two locking screws 28 are respectively located inside the two limiting through slots 26, and both locking screws 28 are threaded with stop plates 29.

[0061] In this embodiment, a linkage slot is provided in the middle of the eccentric plate 22, and the guide rod 27 cooperates with the inclined surface of the linkage slot to drive the eccentric plate 22 to rotate. Through the setting of the linkage slot, the guide rod 27 can make effective contact with the inclined surface of the linkage slot during the rotation of the guide rod 27 following the limit slot 26, thereby driving the eccentric plate 22 to swing under the support of the drive shaft 21.

[0062] In this embodiment, a door is provided at one end of the protective frame 8 near the assembly plate 25. By providing the door, the assembly plate 25 can be exposed when it is necessary to adjust the rotation range of the eccentric plate 22, so as to facilitate personnel operation.

[0063] Meanwhile, a PLC-based controller 31 is installed at the top of the protective frame 8, and the linear displacement sensor, servo motor 11 and drive motor 24 are all electrically connected to the controller 31. In this way, the controller 31 can centrally control the servo motor 11 and drive motor 24, and can display the detection data of the linear displacement sensor to realize digital height determination.

[0064] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0065] Working principle: First, place one end of the steering tie rod on the positioning plate A15 and rotate the adjusting screw 16. With the adjusting screw 16 connected to the support frame 13, the adjusting screw 16 pushes the push plate 17 downward until the positioning plate B19 contacts the steering tie rod, thus cooperating with the positioning plate A15 to form the positioning of the steering tie rod. At the same time, start the servo motor 11 to drive the transmission screw 9 to rotate. With the transmission screw 9 connected to the displacement plate 10, the displacement seat 4 can move along the linear guide rail 2 until the limit frame 5 is in close contact with the other end of the steering tie rod.

[0066] The drive motor 24 is started, causing the assembly plate 25 to drive the guide rod 27 to rotate continuously. With the cooperation of the guide rod 27 and the linkage slot, the eccentric plate 22 can rotate with the guide rod 27. Since the linkage rod 23 is connected between the positioning plate A15 and the eccentric plate 22, when the eccentric plate 22 rotates, it can push the positioning plate A15 through the linkage rod 23, causing the positioning plate A15 and the hollow shaft 18 to rotate simultaneously under the support of the support shaft 14. Since the steering tie rod is located between the positioning plate A15, the positioning plate B19 and the limit frame 5, as the steering tie rod rotates, it can drive the limit frame 5 to slide at the displacement seat 4. At this time, check whether the steering tie rod is disengaged from the limit frame 5 after the assembly plate 25 rotates 180 degrees. If it is not disengaged, it means that the height of the steering tie rod meets the requirements. If the steering tie rod is disengaged from the limit frame 5, it means that the height of the steering tie rod does not meet the requirements.

[0067] Since the guide rod 27 rotates in a circular motion, after the guide rod 27 rotates one revolution, it can drive the positioning plate A15 back to the initial position. The stop plate 29 can be rotated to adjust along the locking screw 28. When the stop plate 29 is disengaged from the assembly plate 25, the guide rod 27 can be unlocked. Then, the guide rod 27 is pulled to adjust the distance between the guide rod 27 and the output end of the drive motor 24. Based on the length of the steering tie rod, the swing amplitude of the positioning plate A15 is controlled. After adjustment, the stop plate 29 is rotated to make the stop plate 29 fit tightly with the limiting through groove 26, increasing the friction force of the guide rod 27 adjustment, and finally locking the position of the guide rod 27.

[0068] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0069] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tool for inspecting automotive suspension pipe components, characterized in that: include: The bearing plate (1) is fixedly connected to the top of the bearing plate (1) with a linear guide rail (2) and a transmission frame (3). A displacement seat (4) is slidably connected to the transmission frame (3). A limit frame (5) is longitudinally slidably connected to the top of the displacement seat (4). Adjustment component (6), which is assembled inside the transmission frame (3) and is used to drive the displacement seat (4) to adjust along the linear guide rail (2); Positioning component (7) is mounted on the top of the bearing plate (1) away from the limit frame (5). The positioning component (7) is used to cooperate with the limit frame (5) to form a height detection of the steering tie rod.

2. The automotive suspension tube inspection fixture according to claim 1, characterized in that: The adjustment component (6) includes: A transmission screw (9) is laterally rotatably connected inside the transmission screw (9). A displacement plate (10) is threadedly connected to the transmission screw (9), and one end of the displacement plate (10) is also fixedly connected to the displacement seat (4). Servo motor (11) is fixedly connected to one end of transmission frame (3), and the output end of servo motor (11) is fixedly connected to transmission frame (3).

3. The automotive suspension tube inspection fixture according to claim 1, characterized in that: The positioning component (7) includes: Support plate (12), the support plate (12) is fixedly connected to the top of the bearing plate (1) away from the limit frame (5), the top of the support plate (12) is fixedly connected to the support frame (13), the support frame (13) is vertically rotatably connected to the support shaft (14), and the bottom of the support shaft (14) is fixedly connected to the positioning plate A (15). An adjusting screw (16) is threaded to the top of the support frame (13). One end of the adjusting screw (16) located inside the support frame (13) is rotatably connected to a push plate (17). One end of the push plate (17) is vertically rotatably connected to a hollow shaft (18), and the hollow shaft (18) is also slidably connected to the outside of the support shaft (14). A positioning plate B (19) is fixedly connected to the outside of the hollow shaft (18). A drive assembly is mounted on the top of a support plate (12) and is used to cooperate with a positioning plate A (15) to drive the steering tie rod to rotate.

4. The automotive suspension tube inspection fixture according to claim 3, characterized in that: The driving component includes: A drive frame (20) is fixedly connected to one end of the support plate (12) away from the support frame (13). A drive shaft (21) is rotatably connected to the middle of the drive frame (20). An eccentric plate (22) is fixedly connected to the top of the drive shaft (21). A linkage rod (23) is rotatably connected to one end of the eccentric plate (22) away from the drive shaft (21). The end of the linkage rod (23) away from the eccentric plate (22) is also rotatably connected to the positioning plate A (15). A drive motor (24) is fixedly connected to the top of the drive frame (20). An assembly plate (25) is fixedly connected to the output end of the drive motor (24). Limit slots (26) are provided on both sides of the assembly plate (25). The bottom end of the guide rod (27) is also movably connected to the middle of the eccentric plate (22) to drive the eccentric plate (22) to swing back and forth. Both sides of the top of the guide rod (27) are fixedly connected with locking screws (28), and the two locking screws (28) are respectively located inside the two limiting through slots (26), and both locking screws (28) are threaded with stop plates (29).

5. The automotive suspension tube inspection fixture according to claim 1, characterized in that: A storage opening is provided at the top of one side of the protective frame (8), and a protective door (30) is provided on the storage opening. An observation window is provided on the protective door (30).

6. The automotive suspension tube inspection fixture according to claim 3, characterized in that: The top of the support frame (13) is vertically slidably connected to a stabilizing rod, and the bottom end of the stabilizing rod is fixedly connected to the push plate (17).

7. The automotive suspension tube inspection fixture according to claim 3, characterized in that: The outer side of the support shaft (14) is fixedly connected to a linkage bar, and the inner wall of the hollow shaft (18) is provided with a linkage groove adapted to the linkage bar, and the linkage bar is also slidably connected inside the linkage bar.

8. The automotive suspension tube inspection fixture according to claim 4, characterized in that: The eccentric plate (22) has a linkage slot in the middle, and the guide rod (27) cooperates with the inclined surface of the linkage slot to drive the eccentric plate (22) to rotate.

Citation Information

Patent Citations

  • Pneumatic detection device for automobile steering pull rod

    CN221099573U