Flexible support for CMM measurement of steering knuckle and non-steering knuckle type chassis parts

By designing a height-adjustable CMM measurement flexible bracket for steering knuckles and non-steering knuckle chassis components, the problem of non-adjustable height has been solved, ensuring measurement accuracy and quality, adapting to measuring instruments of different heights, cleaning dust, and extending equipment life.

CN223976627UActive Publication Date: 2026-03-06LIUFENG METAL TECH KUNSHAN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

The existing CMM measuring flexible support has a non-adjustable height, which makes it unable to adapt to measuring instruments of different heights, affecting the accuracy and quality of the measurement.

Method used

A flexible support system comprising a base, a support assembly, a measuring assembly, and a platform assembly is designed. Height adjustment and dust removal are achieved through a height adjustment mechanism and a dust blowing mechanism. The platform assembly is moved by connecting irregularly shaped plates, and stable operation is achieved by combining a telescopic device, a transmission pin, and a gear system.

Benefits of technology

It achieves a high degree of adjustability, adapts to measuring instruments of different heights, avoids dust accumulation, ensures measurement accuracy and quality, and extends the service life of the slide plate and pivot pin.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steering knuckle and non-steering knuckle type chassis piece CMM measuring flexible support which comprises a base, a support assembly connected to the top of the base in a sliding mode, a measuring assembly fixedly connected to the rear side of the top of the base and a platform assembly arranged on the top of the support assembly in a penetrating mode. The height adjusting mechanism comprises a fixing plate, the rear side of the right side of the fixing plate is fixedly connected with an expansion piece, the output end of the expansion piece is fixedly connected with a protruding plate, the front side of the outer side of the protruding plate is fixedly connected with a transmission pin, and the surface of the transmission pin is sleeved with a rectangular block. According to the CMM measuring flexible support, the phenomenon that the traditional height cannot be adjusted is changed, the connecting special-shaped plate is adopted to drive the platform assembly to move upwards, the phenomenon that measuring instruments with different heights cannot be adapted in the measuring process is avoided, the measuring accuracy cannot be guaranteed, and the measuring quality cannot be affected.
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Description

Technical Field

[0001] This utility model relates to the field of steering knuckle technology, specifically to a flexible CMM measurement bracket for steering knuckles and non-steering knuckle chassis components. Background Technology

[0002] The steering knuckle is a key component in the automotive steering system, connecting the front wheels to the steering mechanism. It plays a vital role in transmitting steering force, supporting the wheels, and enabling wheel steering. The CMM measurement flexible bracket for non-steering knuckle chassis components is a special tooling for CMM to inspect non-steering knuckle chassis parts. Through its flexible design, it enables quick clamping, multi-vehicle adaptation, and efficient measurement, meeting the complex structure and diverse inspection needs of automotive chassis components.

[0003] According to a patent published on the China Patent Network, the patent title is "Flexible Optical Measurement Bracket," patent application number 201820215370.0. It includes a base and frame, a three-dimensional positioning mechanism, and auxiliary measurement components. The base is mounted on a measurement platform, and the frame is mounted on the base. The three-dimensional positioning mechanism is mounted on the frame, positioning the component to be measured relative to the frame. Adjusting the three-dimensional positioning mechanism allows the component to rotate relative to the optical measurement shooting path. The auxiliary measurement components are mounted on the frame, providing a reference benchmark for optical measurement. The base and frame avoid the optical measurement shooting path. This flexible optical measurement bracket can adapt to the clamping and positioning of various parts of various vehicle models by adjusting the three-dimensional positioning mechanism, and can adjust and optimize the posture of the component to be measured to adapt to the characteristics of optical shooting, significantly improving the accessibility of optical measurement. This flexible optical measurement bracket has a wide range of applications. In contrast, the CMM measurement flexible brackets mentioned above have fixed heights and cannot be adjusted. Therefore, they cannot be adapted to measuring instruments of different heights during measurement, resulting in compromised measurement accuracy and affecting measurement quality.

[0004] Therefore, it is necessary to design and modify the flexible support for CMM measurement to effectively prevent the phenomenon of its height being unadjustable. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a flexible CMM measurement bracket for steering knuckles and non-steering knuckle chassis components, which has the advantage of adjustable height and solves the problem of non-adjustable height.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a flexible CMM measurement bracket for steering knuckles and non-steering knuckle chassis components, including a base;

[0007] A bracket assembly that slides onto the top of the base;

[0008] A measuring component is fixedly connected to the rear top of the base;

[0009] A platform component that runs through the top of the support assembly;

[0010] Both sides of the support assembly are fixedly connected to height adjustment mechanisms. Each height adjustment mechanism includes a fixed plate. A telescopic device is fixedly connected to the rear right side of the fixed plate. A protruding plate is fixedly connected to the output end of the telescopic device. A transmission pin is fixedly connected to the front side of the outer side of the protruding plate. A rectangular block is sleeved on the surface of the transmission pin. A concave plate is fixedly connected to the bottom of the front of the rectangular block. The side of the concave plate away from the rectangular block is slidably connected to the support assembly. Both the front and rear sides of the top of the rectangular block are fixedly connected to connecting irregular plates. The side of the connecting irregular plates away from the rectangular block is fixedly connected to the platform assembly.

[0011] In a preferred embodiment of this invention, a chip blowing mechanism is fixedly connected to the rear side of the outer side of the convex plate. The chip blowing mechanism includes a convex rod, a toothed plate is fixedly connected to the outer side of the convex rod, a gear is movably connected to the bottom of the outer side of the fixed plate via a bearing, the top of the gear meshes with the toothed plate, a pivot pin is fixedly connected to the top of the outer side of the gear, a vertical frame is sleeved on the surface of the pivot pin, a slide plate is fixedly connected to the top of the inner side of the vertical frame, the inner side of the slide plate is slidably connected to the fixed plate, a vertical plate is fixedly connected to the top of the vertical frame, and a chip blowing fan is fixedly connected to the top of the inner side of the vertical plate.

[0012] As a preferred embodiment of this utility model, a support plate is fixedly connected to the bottom of the telescopic device, and the inner side of the support plate is fixedly connected to the fixed plate.

[0013] As a preferred embodiment of this invention, a groove is provided on the top of the outer side of the fixing plate, and the inner side of the sliding plate is slidably connected to the inside of the groove.

[0014] As a preferred embodiment of this utility model, a positioning rod is fixedly connected to the inner side of the connecting irregular plate, and the positioning rod is used in conjunction with the connecting irregular plate.

[0015] As a preferred embodiment of this invention, an anti-detachment plate is fixedly connected to the outer side of the pivot pin, and the diameter of the anti-detachment plate is larger than the diameter of the pivot pin.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. The CMM measurement flexible support of this utility model changes the traditional phenomenon of non-adjustable height. It adopts a connecting irregular plate to drive the platform component to move upward. During measurement, there will be no phenomenon of incompatibility with measuring instruments of different heights, and the accuracy of measurement will not be compromised, nor will the quality of measurement be affected.

[0018] 2. This utility model, through the setting of the chip blowing mechanism, can perform chip blowing treatment on the top of the platform component, thus avoiding the phenomenon of dust accumulation.

[0019] 3. By setting up a support plate, this utility model enables the telescopic device to operate more stably and avoids shaking.

[0020] 4. The grooves in this invention allow the skateboard to slide more smoothly inside the fixed plate, reducing friction between the skateboard and the fixed plate and extending the service life of the skateboard.

[0021] 5. By setting a positioning rod, this utility model enables the connection of irregularly shaped plates to operate more stably and prevents tilting.

[0022] 6. By setting an anti-detachment plate, this utility model enables the rotating pin to rotate more stably and prevents the vertical frame from falling off. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model;

[0024] Figure 2 This is a structural diagram of the height adjustment mechanism and the chip blowing mechanism of this utility model;

[0025] Figure 3 The structure of this utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0026] Figure 4 This is a partial three-dimensional view of the present invention.

[0027] In the diagram: 1. Base; 2. Support assembly; 3. Measuring assembly; 4. Platform assembly; 5. Height adjustment mechanism; 6. Fixing plate; 7. Telescopic device; 8. Protruding plate; 9. Transmission pin; 10. Rectangular block; 11. Concave plate; 12. Connecting irregular plate; 13. Chip blowing mechanism; 14. Protruding rod; 15. Toothed plate; 16. Gear; 17. Turning pin; 18. Vertical frame; 19. Slide plate; 20. Vertical plate; 21. Chip blowing fan; 22. Support plate; 23. Groove; 24. Positioning rod; 25. Anti-detachment plate. Detailed Implementation

[0028] 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.

[0029] like Figures 1 to 4 As shown, the flexible CMM measuring bracket for steering knuckles and non-steering knuckle chassis components provided by this utility model includes a base 1;

[0030] The bracket assembly 2 is slidably connected to the top of the base 1;

[0031] The measuring component 3 is fixedly connected to the rear top of the base 1;

[0032] Platform component 4 is installed through the top of support component 2;

[0033] Both sides of the support assembly 2 are fixedly connected to height adjustment mechanisms 5. The height adjustment mechanism 5 includes a fixed plate 6. A telescopic device 7 is fixedly connected to the rear side of the right side of the fixed plate 6. A protruding plate 8 is fixedly connected to the output end of the telescopic device 7. A transmission pin 9 is fixedly connected to the front side of the outer side of the protruding plate 8. A rectangular block 10 is sleeved on the surface of the transmission pin 9. A concave plate 11 is fixedly connected to the bottom of the front of the rectangular block 10. The side of the concave plate 11 away from the rectangular block 10 is slidably connected to the support assembly 2. A connecting irregular plate 12 is fixedly connected to the front and rear sides of the top of the rectangular block 10. The side of the connecting irregular plate 12 away from the rectangular block 10 is fixedly connected to the platform assembly 4.

[0034] refer to Figure 1 , Figure 2 and Figure 3 A chip blowing mechanism 13 is fixedly connected to the rear side of the outer side of the protruding plate 8. The chip blowing mechanism 13 includes a protruding rod 14. A toothed plate 15 is fixedly connected to the outer side of the protruding rod 14. A gear 16 is movably connected to the bottom of the outer side of the fixed plate 6 through a bearing. The top of the gear 16 meshes with the toothed plate 15. A pivot pin 17 is fixedly connected to the top of the outer side of the gear 16. A vertical frame 18 is sleeved on the surface of the pivot pin 17. A slide plate 19 is fixedly connected to the top of the inner side of the vertical frame 18. The inner side of the slide plate 19 is slidably connected to the fixed plate 6. A vertical plate 20 is fixedly connected to the top of the vertical frame 18. A chip blowing fan 21 is fixedly connected to the top of the inner side of the vertical plate 20.

[0035] As a technical optimization of this utility model, the chip blowing mechanism 13 can be used to blow chips off the top of the platform component 4, thus avoiding the accumulation of dust.

[0036] refer to Figure 2 The bottom of the expansion joint 7 is fixedly connected to a support plate 22, and the inner side of the support plate 22 is fixedly connected to the fixed plate 6.

[0037] As a technical optimization of this utility model, the support plate 22 enables the telescopic device 7 to operate more stably and avoids shaking.

[0038] refer to Figure 2 A groove 23 is provided on the top of the outer side of the fixing plate 6, and the inner side of the sliding plate 19 is slidably connected to the inside of the groove 23.

[0039] As a technical optimization of this utility model, the groove 23 enables the skateboard 19 to slide more smoothly inside the fixed plate 6, reducing the friction between the skateboard 19 and the fixed plate 6 and extending the service life of the skateboard 19.

[0040] refer to Figure 2 A positioning rod 24 is fixedly connected to the inner side of the connecting irregular plate 12, and the positioning rod 24 is used in conjunction with the connecting irregular plate 12.

[0041] As a technical optimization of this utility model, the positioning rod 24 enables the connecting irregular plate 12 to operate more stably and prevents tilting.

[0042] refer to Figure 3 An anti-detachment plate 25 is fixedly connected to the outside of the pivot pin 17, and the diameter of the anti-detachment plate 25 is larger than the diameter of the pivot pin 17.

[0043] As a technical optimization of this utility model, by setting the anti-detachment plate 25, the rotating pin 17 can rotate more stably, while preventing the vertical frame 18 from falling off.

[0044] The working principle and usage process of this utility model are as follows: First, when the user needs to adjust the height, the telescopic device 7 is activated. The output end of the telescopic device 7 drives the convex plate 8 to move forward. The convex plate 8 drives the transmission pin 9 to move forward. The transmission pin 9 drives the rectangular block 10 to move upward. The rectangular block 10 drives the connecting irregular plate 12 to move upward. The connecting irregular plate 12 drives the platform assembly 4 to move upward, thus achieving the effect of height adjustment. At the same time as the convex plate 8 moves forward, the convex rod 14 moves forward. The convex rod 14 drives the toothed plate 15 to move forward. The toothed plate 15 drives the gear 16 to rotate. The gear 16 drives the rotating pin 17 to rotate. The rotating pin 17 drives the vertical frame 18 and the vertical plate 20 to move forward. The vertical plate 20 drives the dust blower 21 to move forward. Then, the dust blower 21 blows dust from the platform assembly 4, thus achieving the effect of cleaning dust.

[0045] In summary, this flexible CMM measuring bracket for steering knuckles and non-steering knuckle chassis components changes the traditional problem of non-adjustable height by using a connecting irregular plate 12 to move the platform component 4 upward. This eliminates the problem of incompatibility with different height measuring instruments during measurement, ensures measurement accuracy, and maintains measurement quality.

[0046] 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.

[0047] 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 flexible support for CMM measurement of knuckle and non-knuckle chassis parts, comprising a base (1); a support assembly (2) slidingly connected on top of the base (1); a measurement assembly (3) fixedly connected on the top rear side of the base (1); a platform assembly (4) penetratingly arranged on top of the support assembly (2); characterized in that the support assembly (2) is fixedly connected with a height adjusting mechanism (5) on both sides, the height adjusting mechanism (5) comprises a fixed plate (6), the rear side of the right side of the fixed plate (6) is fixedly connected with a telescopic device (7), the output end of the telescopic device (7) is fixedly connected with a convex plate (8), the front side of the outer side of the convex plate (8) is fixedly connected with a transmission pin (9), the surface of the transmission pin (9) is sleeved with a rectangular block (10), the bottom of the front side of the rectangular block (10) is fixedly connected with a concave plate (11), the side away from the rectangular block (10) of the concave plate (11) is slidingly connected with the support assembly (2), the front side and the rear side of the top of the rectangular block (10) are fixedly connected with a connecting special-shaped plate (12), the side away from the rectangular block (10) of the connecting special-shaped plate (12) is fixedly connected with the platform assembly (4).

2. The knuckle and non-knuckle chassis CMM flexible support of claim 1, wherein: The outer side of the rear side of the convex plate (8) is fixedly connected with a chip blowing mechanism (13), the chip blowing mechanism (13) comprises a convex rod (14), the outer side of the convex rod (14) is fixedly connected with a toothed plate (15), the bottom of the outer side of the fixed plate (6) is movably connected with a gear (16) through a bearing, the top of the gear (16) is engaged with the toothed plate (15), the top of the outer side of the gear (16) is fixedly connected with a rotating pin (17), the surface of the rotating pin (17) is sleeved with a vertical frame (18), the inner side of the top of the vertical frame (18) is fixedly connected with a sliding plate (19), the inner side of the sliding plate (19) is slidingly connected with the fixed plate (6), the top of the vertical frame (18) is fixedly connected with a vertical plate (20), the inner side of the top of the vertical plate (20) is fixedly connected with a chip blowing fan (21).

3. The knuckle and non-knuckle chassis CMM flexible support of claim 1, wherein: The bottom of the telescopic device (7) is fixedly connected with a support plate (22), the inner side of the support plate (22) is fixedly connected with the fixed plate (6).

4. The knuckle and non-knuckle undercarriage member CMM flexible fixture of claim 2, wherein: The top of the outer side of the fixed plate (6) is provided with a strip groove (23), the inner side of the sliding plate (19) is slidingly connected inside the strip groove (23).

5. The knuckle and non-knuckle chassis CMM measurement flexible support of claim 1, wherein: The inner side of the connecting special-shaped plate (12) is fixedly connected with a positioning rod (24), the positioning rod (24) is used in cooperation with the connecting special-shaped plate (12).

6. The knuckle and non-knuckle undercarriage member CMM measuring flexible boom of claim 2, wherein: The outer side of the rotating pin (17) is fixedly connected with an anti-dropping plate (25), the diameter of the anti-dropping plate (25) is greater than the diameter of the rotating pin (17).

Citation Information

Patent Citations

  • Flexible optical measurements support

    CN207779336U