Automobile steering knuckle testing fixture
By designing an automotive steering knuckle inspection tool, a rapid and economical measurement of steering knuckles was achieved using crimp fittings and quick clamps. This solved the difficulty of measuring irregularly shaped steering knuckles in existing technologies, improving measurement efficiency and reducing costs.
Patent Information
- Application Number
- CN202520263930.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing technologies make it difficult to quickly and economically measure the irregular shape and hole positions of automotive steering knuckles, and coordinate measuring machines are costly and slow.
An automotive steering knuckle inspection tool was designed, comprising a frame body, a limiting part, a quick-clamping fixing part, and a positioning part. It combines three sets of crimp connectors and quick clamps, and uses go/no-go gauges and sliding probes for positioning and measurement.
It enables rapid and economical positioning and measurement of the bore positions and dimensions of automotive steering knuckles, improving measurement speed and reducing measurement costs.
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Figure CN223741393U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of measurement technology, especially, relate to a car steering knuckle testing fixture. BACKGROUND
[0002] Steering knuckle is also called "goat horn", is one of the important parts in the automobile steering axle, can make the automobile stable travel and sensitive transmission travel direction. The function of steering knuckle is to transmit and bear the load of the front of the car, support and drive the front wheel to rotate around the main pin and make the car turn. In the automobile travel state, it bears the variable impact load, therefore, requires that it has very high strength.
[0003] At present, with the development of automobile, the size and precision of parts are required higher and higher, but the shape of steering knuckle of different automobiles is very irregular, there is no flat surface for positioning, therefore, it is very inconvenient to measure the position and diameter of the hole, and the cost is very high and the speed is very slow by using three coordinate measurement. SUMMARY
[0004] To solve the above technical problems, one technical scheme adopted by the utility model is:
[0005] A car steering knuckle testing fixture, including frame body and the limiting portion, quick clamping fixed part and positioning portion installed on the frame body, the frame body is equipped with a plurality of first testing fixture and at least one group of second testing fixture;
[0006] The fixed part includes a fixed support fixedly connected with the frame body and a fixed block installed on the fixed support, the fixed block is provided with a through hole, a fastening block is arranged in the hole, the fastening block rotates in the fixed block, the fastening block and the fixed block are detachably connected, when the fastening block is connected with the fixed block, rotating the fastening block can drive the fixed block to clamp the product to be detected;
[0007] The second testing fixture includes a testing fixture support fixedly connected with the frame body and a sliding block sliding on the testing fixture support, the sliding block is installed with a testing needle, when the sliding block is slid, the testing needle moves upward / downward.
[0008] Further, the fixed block is provided with at least three groups of pressure connectors around the body, and the pressure connectors are fixedly connected with the fixed block.
[0009] Further, the pressure connector is made of rubber material.
[0010] Further, the fastening block includes a connecting rod and an adjusting wheel fixed to one end of the connecting rod, a thread is arranged at the end away from the adjusting wheel, and the connecting rod is fastened with the fixed support through the thread.
[0011] Further, the needle is sleeved with a first elastic element, the sliding block is internally provided with a second elastic element, and the first elastic element and the second elastic element are springs.
[0012] Further, the first gauge is a go-no-go gauge.
[0013] Further, the limiting part comprises a head positioning element, a side positioning element and a tail positioning element, and the product to be detected can be limited by the head positioning element, the side positioning element and the tail positioning element.
[0014] Further, the positioning part is a quick clamp.
[0015] The beneficial effects of the present application are as follows:
[0016] The present application can conveniently fix the product by using three sets of crimping joints and quick clamps, the head positioning element, the side positioning element and the tail positioning element can position the product parts, the first gauge and the second gauge can quickly measure the hole position and size of the automobile special-shaped part, the measuring rate is improved, the gauge support is further provided with a sliding block, the needle is installed on the sliding block, the needle can move upward / downward when the sliding block is slid, and the hole position can be quickly detected under the premise of packaging coaxiality. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;
[0019] Figure 2 It is a schematic diagram of the fixed part structure of the present application;
[0020] Figure 3 It is a schematic diagram of the fixed part in use of the present application;
[0021] Figure 4 It is a schematic diagram of the second gauge structure of the present application;
[0022] Explanation of reference signs:
[0023] 1, machine base body; 2, limiting part; 21, head positioning piece; 22, side positioning piece; 23, tail positioning piece; 3, fixed part; 31, fixed support; 32, fixed block; 321, pressure joint; 33, fastening block; 331, connecting rod; 332, adjusting wheel; 4, positioning part; 5, first gauge; 6, second gauge;
[0024] 61, gauge support; 62, sliding block; 63, gauge needle; 7, product to be detected. DETAILED DESCRIPTION
[0025] The preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application can be more clearly defined. Specific embodiment 1:
[0027] As Figures 1 to 4 shown, an automobile steering knuckle gauge includes a rack body 1 and a limiting part 2, a quick clamping fixed part 3 and a positioning part 4 installed on the rack body 1. The rack body 1 is also provided with a plurality of first gauges 5 and at least one set of second gauges 6. Specifically, the first gauge 5 is a go-no-go gauge. Go-no-go gauge is a commonly used part in gauges, and will not be described in detail. Specifically, referring to Figure 1 , the positioning part 4 is a quick clamp. In mechanical parts, quick clamps have basically become standard components and are widely used, so they will not be described in detail.
[0028] The fixed part 3 includes a fixed support 31 fixedly connected with the rack body 1 and a fixed block 32 installed on the fixed support 31. The fixed block 32 is provided with a through hole, and the through hole is provided with a fastening block 33. The fastening block 33 rotates in the fixed block 32, and the fastening block 33 is detachably connected with the fixed block 32. When the fastening block 33 is connected with the fixed block, rotating the fastening block 33 can drive the fixed block 32 to clamp the product to be detected 7. Specifically, the fixed block 32 is provided with at least three groups of pressure joints 321 around the body, and the pressure joints 321 are fixedly connected with the fixed block 32. Specifically, the pressure joints are made of rubber material. Rubber material can protect the surface of the product. Specifically, the fastening block (33) includes a connecting rod 331 and an adjusting wheel 332 fixed to one end of the connecting rod 331. The end away from the adjusting wheel 332 is provided with a thread, and the connecting rod 331 is fastened to the fixed support 31 through the thread.
[0029] The second detecting tool 6 comprises a detecting tool support 61 fixedly connected with the rack body 1 and a sliding block 62 sliding on the detecting tool support 61, and a detecting needle 63 is installed on the sliding block 62, and the detecting needle 63 moves upward / downward when the sliding block 62 slides. Specifically, in order to facilitate the detection operation, a first elastic element is sleeved on the detecting needle 63, a second elastic element is arranged in the sliding block 62, and the first elastic element and the second elastic element are springs.
[0030] Specifically, referring to Figure 1 The limiting part 2 comprises a head positioning piece 21, a side positioning piece 22 and a tail positioning piece 23, and the product to be detected 7 can be limited by the head positioning piece 21, the side positioning piece 22 and the tail positioning piece 23.
[0031] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation or direct or indirect application in other related technical fields by using the content of the present application is also included in the patent protection range of the present application.
Claims
1. An automobile steering knuckle testing fixture, characterized in that: Including rack body (1) and install in rack body (1) limit part (2), quick clamping fixed part (3) and positioning part (4), still be equipped with a plurality of first gauge (5) and at least one group of second gauge (6) on rack body (1); The fixed part (3) includes a fixed support (31) fixedly connected with the rack body (1) and a fixed block (32) installed on the fixed support (31), the fixed block (32) is provided with a through hole, a fastening block (33) is arranged in the hole, the fastening block (33) rotates in the fixed block (32), the fastening block (33) is detachably connected with the fixed block (32), when the fastening block (33) is connected with the fixed block, rotating the fastening block (33) can drive the fixed block (32) to clamp the product to be detected (7); The second gauge (6) includes a gauge support (61) fixedly connected with the rack body (1) and a sliding block (62) sliding on the gauge support (61), the sliding block (62) is provided with a gauge needle (63), when the sliding block (62) is slid, the gauge needle (63) moves upward / downward.
2. The automobile steering knuckle testing fixture according to claim 1, characterized in that: The fixed block (32) is provided with at least three groups of compression joints (321) around the body, the compression joints (321) are fixedly connected with the fixed block (32).
3. The automobile steering knuckle testing fixture according to claim 2, characterized in that: The compression joint is made of rubber.
4. The axle knuckle testing fixture of claim 1 wherein: The fastening block (33) includes a connecting rod (331) and an adjusting wheel (332) fixed to one end of the connecting rod (331), a thread is arranged at the end away from the adjusting wheel (332), and the connecting rod (331) is tightly connected with the fixed support (31) through the thread.
5. The axle knuckle testing fixture of claim 1 wherein: The gauge needle (63) is sleeved with a first elastic element, the sliding block (62) is provided with a second elastic element, and the first elastic element and the second elastic element are springs.
6. The axle knuckle testing fixture of claim 1, wherein: The first gauge (5) is a go-no-go gauge.
7. The axle knuckle testing fixture of claim 1 wherein: The limit part (2) includes a head positioning member (21), a side positioning member (22) and a tail positioning member (23), and the product to be detected (7) can be limited by the head positioning member (21), the side positioning member (22) and the tail positioning member (23).
8. The axle knuckle testing fixture of claim 1, wherein: The positioning part (4) is a quick clamp.