一种轴直径检测夹具及齿轮轴直径检测设备
By using a servo motor to drive a multi-jaw clamping mechanism and elastic rubber clamping parts, combined with a sliding measuring component, the problems of low efficiency and inaccurate measurement results in gear shaft diameter detection are solved. This achieves a high-precision, automated detection process, avoids surface scratches and structural complexity, and reduces costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING DONGSHENG METALLURGICAL MASCH CO LTD
- Filing Date
- 2025-10-16
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, gear shaft diameter detection is inefficient and cannot meet the needs of large-scale rapid detection. Furthermore, the measurement results are easily affected by human factors. Traditional fixtures have limited centering accuracy and are prone to scratching the surface of shafts. Sensors have limited measurement range, complex structures, and high costs.
The servo motor-driven multi-jaw clamping mechanism, equipped with elastic rubber clamping parts and a sliding measuring component, enables high-precision automated clamping and multi-point detection of the gear shaft, simplifying the structure and reducing costs.
It achieves high-precision, automated, and rapid clamping of gear shafts, avoids surface scratches, improves testing efficiency and adaptability, simplifies operation, and reduces costs.
Smart Images

Figure CN224517628U_ABST
Abstract
Claims
1. A shaft diameter detection jig characterized by: The device includes a base (1), a base (10) is fixedly disposed on the base (1), and a support frame (11) is fixedly disposed on the base (10). A clamping assembly (12) is fixedly disposed on the support frame (11), and the clamping assembly (12) is used to clamp the gear shaft. The clamping assembly (12) includes a housing (120) fixedly connected to the support frame (11), and a rotating disk (122) is rotatably disposed on the outer side of the housing (120). A clamping member (123) is fixedly disposed on the rotating disk (122), and at least three clamping members (123) are provided. A hole (1220) is provided at the center of the rotating disk (122), and the hole (1220) cooperates with the clamping member (123) to clamp the gear shaft.
2. The shaft diameter detection jig according to claim 1, characterized by: The clamping member (123) includes a connecting block (1230) fixedly connected to the rotating disk (122). An extension block (1231) is fixedly provided on the surface of the connecting block (1230), and a rubber block (1232) is fixed on the outer surface of the extension block (1231).
3. The shaft diameter detection fixture according to claim 2, characterized in that: The rubber block (1232) is provided with a groove (1233), and the groove (1233) is a cone shape with the opening facing outward.
4. The shaft diameter detection jig according to claim 1, characterized by: A servo motor (121) is fixedly installed on the outside of the outer shell (120), and the output end of the servo motor (121) rotates through the outer shell (120) and is fixedly connected to the rotating disk (122).
5. A gear shaft diameter inspection apparatus comprising the shaft diameter inspection jig according to any one of claims 1 to 4, characterized by: The device includes a measuring mechanism (2) fixedly connected to a base (1), and the measuring mechanism (2) is used to measure the diameter of the gear shaft. The measuring mechanism (2) includes a fixed rod (21) and a scale bar (22) is provided on the fixed rod (21). At least two moving components (23) are slidably provided below the fixed rod (21), and the moving components (23) are used to clamp and measure the diameter of the gear shaft.
6. The gear shaft diameter detection apparatus according to claim 5, characterized by: The moving component (23) includes a slider (230), and a measuring plate (231) is fixedly disposed below the slider (230). A groove (210) is provided on the inner side of the fixed rod (21), and the slider (230) is slidably disposed on the inner side of the groove (210).
7. The gear shaft diameter detection device according to claim 5, characterized in that: A column (20) is fixedly installed below the fixing rod (21), and the end of the column (20) away from the fixing rod (21) is fixedly connected to the base (1).
8. The gear shaft diameter detection apparatus according to claim 7, characterized by: The column (20) is a telescopic structure used to adjust the height of the fixing rod (21).