Wheel positioning anti-deviation clamping device

By designing a wheel positioning anti-deviation clamping device, the precise movement and positioning of the wedge is achieved using a threaded rod and a motor drive structure. This solves the problems of inaccurate wedge placement and loss during rear wheel positioning, and improves operational convenience and positioning accuracy.

CN223961183UActive Publication Date: 2026-03-03LAIFENG DONGXIN MOTOR VEHICLE INSPECTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In the current four-wheel alignment process for automobiles, the placement accuracy of the rear wheel wedges is not high, the operation is inconvenient, and there is a risk of loss.

Method used

Design a wheel positioning anti-deviation clamping device, which uses a combination structure of threaded rod, guide rod and motor drive to achieve precise movement and positioning of the wedge, and is equipped with a folding storage function to avoid loss.

Benefits of technology

It improves the movement accuracy and ease of operation of the wedge, ensures accurate rear wheel positioning, avoids wedge loss, and simplifies the positioning and measurement process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a wheel positioning anti-deviation clamping device which comprises a mounting bottom plate, a fixing plate is arranged at the top of the mounting bottom plate, a moving seat is arranged at the top of the fixing plate, two grooves are formed in the right side of the outer surface of the moving seat, threaded rods are arranged in the grooves, second moving blocks are arranged in the grooves, and the second moving blocks are arranged in the threaded rods. A second U-shaped frame is arranged on the front side of the second moving block, a first U-shaped frame is arranged on the front side of the first moving block, rotating connecting rods are rotationally connected to the inner side of the first U-shaped frame and the inner side of the second U-shaped frame through rotating shafts, and anti-deviation clamps are arranged at the other ends of the rotating connecting rods. A clamping assembly is arranged at the end, away from the anti-deviation clamp, of the rotating connecting rod. According to the device, the moving position of the stop wedge is accurate, operation is easy, positioning measurement is convenient, the device further has the function of being folded and stored on the side face of the lifting plate of the lifting machine, the situation that the stop wedge is taken, moved and stored in other places does not exist, and the risk of loss is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of automotive repair technology, and in particular to a wheel positioning anti-deviation clamping device. Background Technology

[0002] The installation of a car's steering wheels, steering knuckles, and front axle involves specific relative positions. This installation with defined relative positions is called steering wheel alignment, also known as front wheel alignment. Front wheel alignment includes four aspects: caster angle, kingpin inclination angle, camber angle, and toe-in. This applies to the two front steering wheels. Similarly, the two rear wheels also have relative positions with the rear axle, called rear wheel alignment. Rear wheel alignment includes camber angle and individual rear wheel toe-in. Thus, front and rear wheel alignment together are called four-wheel alignment.

[0003] During four-wheel alignment, the car needs to be driven onto a lift and tested using a professional alignment machine. The front wheels will be positioned in the center of the turntable, while the rear wheels are prevented from shifting by manually placing two wedges. A total of four wedges are required. Furthermore, the vehicle needs to be moved back and forth during the alignment test. At this time, the wedges located behind the rear wheels need to be manually removed and moved a certain distance to facilitate the movement of the car. All of the above is done manually, and the placement accuracy of the wedges is not high. Moreover, the four wedges need to be removed and stored, which is not convenient and poses a risk of loss. To address this, we have designed a wheel alignment anti-shift clamping device. Utility Model Content

[0004] The purpose of this invention is to provide a wheel positioning anti-deviation clamping device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A wheel positioning anti-deviation clamping device includes a mounting base plate threaded to the outer surface of a lift platform. A fixing plate is fixedly mounted on the top of the mounting base plate, and a movable seat is slidably mounted on the top of the fixing plate. Two grooves are formed on the right side of the movable seat near the outer surface of the lift platform. Threaded rods are rotatably connected between the left and right sides of each groove. The external threads of the two threaded rods are arranged in opposite directions, and their ends, close to each other, are connected by a rotating shaft. A second movable block is slidably mounted in the groove near one end of the movable seat, and a first movable block is slidably mounted in the other groove. The first and second movable blocks are respectively... The threaded sleeve is fitted onto the corresponding threaded rod. The front surfaces of the first and second moving blocks are coplanar with the front surface of the moving seat. A second U-shaped frame is fixedly provided on the front surface of the second moving block. A first U-shaped frame is provided on the front side of the first moving block. Two traction blocks are symmetrically provided on the upper and lower surfaces of the first U-shaped frame. The two traction blocks are slidably fitted onto the outside of the corresponding guide rod. The inner sides of the first and second U-shaped frames are rotatably connected to a rotating connecting rod through a rotating shaft. An anti-deviation clamp is provided at the other end of the rotating connecting rod. A snap-fit ​​assembly is provided at the end of the rotating connecting rod away from the anti-deviation clamp.

[0007] As a preferred embodiment of this utility model: the snap-fit ​​assembly includes a receiving groove opened at one end of the rotating connecting rod, a limiting post slidably disposed in the receiving groove, a spring connecting the inner bottom wall of the receiving groove and the side of the limiting post, a through groove communicating with the receiving groove opened on the outer surface of the rotating connecting rod, a connecting block slidably disposed in the through groove, one end of the connecting block being connected to the limiting post and the other end being connected to a push block, the push block being slidably disposed on the outer side of the rotating connecting rod.

[0008] As a further preferred embodiment of this utility model: the anti-deviation clamp includes a side plate fixedly disposed at one end of the rotating connecting rod, and a stop wedge is connected to one side surface of the side plate by a number of spring telescopic columns.

[0009] As a further preferred embodiment of this utility model: the inner surface of the second U-shaped frame is provided with a slot A for the corresponding limiting post to be inserted, the front surface of the first moving block is provided with a slot B for the corresponding limiting post to be inserted, and the first U-shaped frame is provided with a through opening for the corresponding limiting post to pass through, the through opening corresponding to slot B.

[0010] As a further preferred embodiment of this utility model: the right end of the threaded rod located on the right side extends through to the outside of the groove and is connected to a rotating handle, which is rotatably mounted on the right side surface of the movable seat.

[0011] As a further preferred embodiment of this utility model: a rectangular slider is provided at the bottom center of the movable seat, and a rectangular groove is provided at the top of the fixed plate for the rectangular slider to slide into. A lead screw is rotatably provided in the rectangular groove, and the rectangular slider is threaded onto the outside of the lead screw. A motor is provided on the outer surface of the fixed plate, and the output shaft of the motor is connected to one end of the lead screw.

[0012] As a further preferred embodiment of this utility model: the bottom of the movable seat is provided with two trapezoidal sliders, which are symmetrically distributed on the left and right sides of the rectangular slider, and the top of the fixed plate is provided with a dovetail groove that matches the trapezoidal sliders.

[0013] As a further preferred embodiment of this utility model: the guide rod is fixedly disposed between two support blocks, and the support blocks are fixedly installed on the front surface of the movable seat.

[0014] The beneficial effects of this utility model are as follows: In this device, the movement of the wedge is guided by the threaded rod, the moving block, and the guide rod in the x-axis direction, and by the lead screw, the rectangular slider, the dovetail groove, and the trapezoidal slider in the y-axis direction. The wedge movement position is accurate and the operation is simple. It can achieve the anti-deviation clamping of the vehicle by bringing the two wedges closer to each other, which is convenient for positioning and measurement. It can also continue to move one of the wedges directly, thereby increasing the distance between the two wedges and facilitating the measurement of the vehicle's forward and backward movement. In addition, this device also has a folding and storage function on the side of the lifting platform, eliminating the need to remove, move, or store the wedges elsewhere, thus avoiding the risk of loss. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a perspective view of the overall structure of this utility model;

[0017] Figure 2 This is an exploded view of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of this utility model from another perspective;

[0019] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0020] Figure 5 for Figure 2 Enlarged view of point B in the middle.

[0021] The components are: 1. Lifting platform; 2. Mounting base plate; 3. Slider; 4. Lead screw; 5. Motor; 6. Fixing plate; 7. Dovetail groove; 8. Rotary handle; 9. Spring telescopic column; 10. Wedge; 11. Side plate; 12. Moving seat; 13. Groove; 14. Threaded rod; 15. Rotating connecting rod; 16. Guide rod; 17. Support block; 18. Pulling block; 19. First moving block; 20. Push block; 21. Connecting block; 22. First U-shaped frame; 23. Second U-shaped frame; 24. Slot A; 25. Limiting insert; 26. Second moving block; 27. Slot B; 28. Through port. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0023] Please see Figure 1-5 In this embodiment of the present invention, a wheel positioning anti-deviation clamping device includes a mounting base plate 2 threadedly connected to the outer surface of a lifting platform 1. A fixing plate 6 is fixedly mounted on the top of the mounting base plate 2, and a movable seat 12 is slidably mounted on the top of the fixing plate 6. Two grooves 13 are formed on the right side of the outer surface of the movable seat 12 near the lifting platform 1. Threaded rods 14 are rotatably connected between the left and right sides of the grooves 13. The external threads of the two threaded rods 14 are arranged in opposite directions, and the ends of the two threaded rods 14 that are close to each other are connected by a rotating shaft. A second movable block 26 is slidably mounted in the groove 13 near one end of the movable seat 12, and a first movable block 19 is slidably mounted in the other groove 13. The first movable block 19 and the second movable block 26 are slidably mounted in the groove 13 near one end of the movable seat 12. The moving blocks 26 are respectively threaded onto the corresponding threaded rods 14. The front surface of the first moving block 19 and the front surface of the second moving block 26 are both coplanar with the front surface of the moving seat 12. The front surface of the second moving block 26 is fixedly provided with a second U-shaped frame 23. The front side of the first moving block 19 is provided with a first U-shaped frame 22. The upper and lower surfaces of the first U-shaped frame 22 are symmetrically provided with two traction blocks 18. The two traction blocks 18 are respectively slidably sleeved on the outside of the corresponding guide rods 16. The inner side of the first U-shaped frame 22 and the inner side of the second U-shaped frame 23 are rotatably connected to the rotating connecting rod 15 through a rotating shaft. The other end of the rotating connecting rod 15 is provided with an anti-deviation clamp. The end of the rotating connecting rod 15 away from the anti-deviation clamp is provided with a snap-fit ​​component.

[0024] The snap-fit ​​assembly includes a receiving groove at one end of the rotating connecting rod 15, a limiting post 25 is slidably disposed in the receiving groove, a spring is connected between the inner bottom wall of the receiving groove and the side of the limiting post 25, a through groove is provided on the outer surface of the rotating connecting rod 15 and communicates with the receiving groove, a connecting block 21 is slidably disposed in the through groove, one end of the connecting block 21 is connected to the limiting post 25 and the other end is connected to a push block 20, the push block 20 is slidably disposed on the outer side of the rotating connecting rod 15.

[0025] The anti-deviation clamp includes a side plate 11 fixedly mounted on one end of the rotating connecting rod 15. One side surface of the side plate 11 is connected to a retaining wedge 10 via several spring telescopic columns 9. The two retaining wedges 10 can move and abut against the front and rear sides of the rear wheel of the car. The spring telescopic columns 9 can increase the clamping force and are suitable for tires of different sizes. Furthermore, when the car is parked in a slightly different position from the standard position, the spring telescopic columns 9 can compensate for the inconvenience caused by the slight difference, so that the two retaining wedges 10 can still be stably clamped on both sides of the rear wheel, improving the practicality and applicability of the device.

[0026] The inner surface of the second U-shaped frame 23 is provided with a slot A24 for the corresponding limiting post 25 to be inserted. The front surface of the first moving block 19 is provided with a slot B27 for the corresponding limiting post 25 to be inserted. The first U-shaped frame 22 is provided with a through opening 28 for the corresponding limiting post 25 to pass through. The through opening 28 corresponds to the slot B27.

[0027] The right end of the threaded rod 14 located on the right side extends through the outside of the groove 13 and is connected to a handle 8, which is rotatably mounted on the right side surface of the movable seat 12.

[0028] A rectangular slider is provided at the bottom center of the movable base 12. A rectangular groove is provided at the top of the fixed plate 6 for the rectangular slider to slide into. A lead screw 4 is rotatably provided in the rectangular groove. The rectangular slider is threaded onto the outside of the lead screw 4. A motor 5 is provided on the outer surface of the fixed plate 6. The output shaft of the motor 5 is connected to one end of the lead screw 4.

[0029] The bottom of the movable base 12 is provided with two trapezoidal sliders 3, which are symmetrically distributed on the left and right sides of the rectangular slider. The top of the fixed plate 6 is provided with a dovetail groove 7 that is adapted to the trapezoidal sliders 3.

[0030] The guide rod 16 is fixedly disposed between two support blocks 17, and the support blocks 17 are fixedly installed on the front surface of the movable seat 12.

[0031] Specifically, before use, the length direction of the rotating connecting rod 15 is parallel to the length direction of the moving seat 12, and the moving seat 12 is furthest from the lifting platform 1. When needed, after the car is moved to the designated position on the lift, the operator pushes the push block 20, which in turn moves the limiting pin 25 completely into the receiving groove. At this time, it is convenient to rotate the rotating connecting rod 15 ninety degrees and rotate the stop wedge 10 onto the lifting platform 1. Release the push block 20, and under the action of the spring, push the limiting pin 25 to reset. One end of one limiting pin 25 is embedded in the slot A24, so that the second U-shaped frame 23 and the corresponding rotating connecting rod 15 are engaged. The other limiting pin 25... One end of 5 passes through the through-hole 28 and is embedded in the slot B27, forming a snap-fit ​​between the first moving block 19, the first U-shaped frame 22, and the corresponding rotating connecting rod 15. Therefore, when the operator rotates the two threaded rods 14 by turning the handle 8 and controls the first moving block 19 and the second moving block 26 to move closer to each other, the first U-shaped frame 22 and the corresponding rotating connecting rod 15 can be moved smoothly, as can the second U-shaped frame 23 and the corresponding rotating connecting rod 15. This, in turn, moves the two anti-deviation clamps closer to each other, allowing the two wedges 10 to abut against the front and rear sides of the rear wheel, achieving the purpose of preventing deviation. In this device, the motor 5 can drive the lead screw 4 to rotate, thereby moving the rectangular slider along with it. The seat 12 moves, allowing the wedge 10 to move to the optimal position to clamp the rear wheel of the car. When the vehicle needs to be moved forward or backward, the operator pushes one of the push blocks 20 into the receiving groove, releasing the locking action between the first moving block 19, the first U-shaped frame 22, and the corresponding rotating connecting rod 15. This allows the first U-shaped frame 22 to move along the length of the guide rod 16, thereby moving the corresponding rotating connecting rod 15 and the wedge 10 together, increasing the distance between the two wedges 10. This facilitates forward and backward movement of the vehicle. At this time, one end of the limiting pin 25 is embedded in the through-hole 28, ensuring the stability of the positions of the corresponding rotating connecting rod 15 and the wedge 10, thus improving the practicality of the device. In summary... In this device, the movement of the wedge 10 is guided by the threaded rod 14, the moving block, and the guide rod 16 in the x-axis direction, and by the lead screw 4, the rectangular slider, the dovetail groove 7, and the trapezoidal slider 3 in the y-axis direction. The wedge 10 moves precisely and is easy to operate. It can achieve the anti-deviation clamping of the vehicle by bringing the two wedges 10 closer together, which is convenient for positioning and measurement. It can also continue to move one of the wedges 10 directly, thereby increasing the distance between the two wedges 10, which is convenient for related measurements of the vehicle's forward and backward movement. In addition, this device also has a folding and storage function on the side of the lifting platform 1, so there is no need to take out, move, or store the wedges 10 elsewhere, avoiding the risk of loss.

[0032] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A wheel positioning anti-deviation clamping device, comprising a mounting base plate (2) threadedly connected to the outer surface of a lifting platform (1); characterized in that: A fixing plate (6) is fixedly provided on the top of the mounting base plate (2). A movable seat (12) is slidably provided on the top of the fixing plate (6). Two grooves (13) are opened on the right side of the outer surface of the movable seat (1) near the lifting plate (1). Threaded rods (14) are rotatably connected between the left and right sides of the grooves (13). The external threads of the two threaded rods (14) are arranged in opposite directions. The ends of the two threaded rods (14) that are close to each other are connected by a rotating shaft. A second movable block (26) is slidably provided in the groove (13) near the movable seat (12), and a first movable block (19) is slidably provided in the other groove (13). The first movable block (19) and the second movable block (26) are slidably connected in the groove (13) near the movable seat (12). 26) The second moving block (26) is threaded onto the corresponding threaded rod (14). The front surface of the second moving block (26) is fixedly provided with a second U-shaped frame (23). The front side of the first moving block (19) is provided with a first U-shaped frame (22). The upper and lower surfaces of the first U-shaped frame (22) are symmetrically provided with two traction blocks (18). The two traction blocks (18) are respectively slidably sleeved on the outside of the corresponding guide rod (16). The inner side of the first U-shaped frame (22) and the inner side of the second U-shaped frame (23) are rotatably connected to a rotating connecting rod (15) through a rotating shaft. The other end of the rotating connecting rod (15) is provided with an anti-deviation clamp. The end of the rotating connecting rod (15) away from the anti-deviation clamp is provided with a snap-fit ​​component.

2. The wheel positioning anti-deviation clamping device according to claim 1, characterized in that: The snap-fit ​​assembly includes a receiving groove at one end of the rotating connecting rod (15), a limiting post (25) is slidably provided in the receiving groove, a spring is connected between the inner bottom wall of the receiving groove and the side of the limiting post (25), a through groove communicating with the receiving groove is provided on the outer surface of the rotating connecting rod (15), a connecting block (21) is slidably provided in the through groove, one end of the connecting block (21) is connected to the limiting post (25) and the other end is connected to a push block (20), the push block (20) is slidably provided on the outside of the rotating connecting rod (15).

3. The wheel positioning anti-deviation clamping device according to claim 2, characterized in that: The anti-deviation clamp includes a side plate (11) fixedly installed at one end of the rotating connecting rod (15), and a stop wedge (10) is connected to one side surface of the side plate (11) by a number of spring telescopic columns (9).

4. The wheel positioning anti-deviation clamping device according to claim 3, characterized in that: The inner surface of the second U-shaped frame (23) is provided with a slot A (24) for the corresponding limiting post (25) to be inserted. The front surface of the first moving block (19) is provided with a slot B (27) for the corresponding limiting post (25) to be inserted. The first U-shaped frame (22) is provided with a through opening (28) for the corresponding limiting post (25) to pass through. The through opening (28) corresponds to the slot B (27).

5. A wheel positioning anti-deviation clamping device according to claim 4, characterized in that: The right end of the threaded rod (14) located on the right side extends through the outside of the groove (13) and is connected to a handle (8), which is rotatably mounted on the right side surface of the movable seat (12).

6. The wheel positioning anti-deviation clamping device according to claim 1, characterized in that: A rectangular slider is provided at the bottom center of the movable seat (12). A rectangular groove is provided at the top of the fixed plate (6) for the rectangular slider to slide into. A lead screw (4) is rotatably provided in the rectangular groove. The rectangular slider is threaded onto the outside of the lead screw (4). A motor (5) is provided on the outer surface of the fixed plate (6). The output shaft of the motor (5) is connected to one end of the lead screw (4).

7. A wheel positioning anti-deviation clamping device according to claim 6, characterized in that: The bottom of the movable seat (12) is provided with two trapezoidal sliders (3), which are symmetrically distributed on the left and right sides of the rectangular slider. The top of the fixed plate (6) is provided with a dovetail groove (7) that matches the trapezoidal sliders (3).

8. A wheel positioning anti-deviation clamping device according to claim 7, characterized in that: The guide rod (16) is fixedly disposed between two support blocks (17), and the support blocks (17) are fixedly installed on the front surface of the movable seat (12).

9. A wheel positioning anti-deviation clamping device according to claim 8, characterized in that: The front surface of the first moving block (19) and the front surface of the second moving block (26) are both coplanar with the front surface of the moving seat (12).