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.

CN224517628UActive Publication Date: 2026-07-17NANJING DONGSHENG METALLURGICAL MASCH CO LTD

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

Technical Problem

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.

Method used

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.

Benefits of technology

It achieves high-precision, automated, and rapid clamping of gear shafts, avoids surface scratches, improves testing efficiency and adaptability, simplifies operation, and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型提供的一种轴直径检测夹具及齿轮轴直径检测设备,涉及轴尺寸检测技术领域。轴直径检测夹具包括夹持组件,且夹持组件用于夹持齿轮轴,夹持组件包括与外壳,且外壳外侧转动设置有旋转盘,旋转盘固定设置有夹持件,且夹持件设置至少三个,旋转盘中心处设置有孔洞,且孔洞与夹持件配合用于夹持齿轮轴,齿轮轴直径检测设备包括测量机构,且测量机构用于测量齿轮轴的直径,测量机构包括固定杆,且固定杆上设置有刻度条,固定杆的下方滑动设置有至少两个移动组件,且移动组件用于夹持测量齿轮轴直径。本实用新型通过多爪夹持机构与可调的测量机构,实现了对齿轮轴快速、精准且无损的直径检测,有效提升了检测效率与可靠性。
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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).