An adaptive centering gear detection fixture

By using the tapered body of the adaptive centering gear inspection fixture to fit the gear center hole and pneumatic control, combined with the dust removal component and radius detection component, the problems of poor adaptability and complicated operation of existing gear inspection fixtures are solved, and efficient and accurate gear inspection is achieved.

CN122125634APending Publication Date: 2026-06-02XIAN AERONAUTICAL POLYTECHNIC INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAN AERONAUTICAL POLYTECHNIC INST
Filing Date
2026-03-23
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing gear testing fixtures suffer from poor adaptability, cumbersome centering adjustments, large manual positioning errors, poor linkage between testing components, complex operation, and a lack of intuitive scale measurement, resulting in inaccurate and inconsistent test results.

Method used

Automatic centering is achieved by fitting a conical body with the center hole of the gear. Combined with pneumatic control of the lifting rod adjustment, it is equipped with a dust removal component and a radius detection component. The thickness and radius can be read intuitively through a scale plate, simplifying the operation process and improving detection efficiency and accuracy.

Benefits of technology

It enables automatic centering of gears with different inner diameters, simplifies fixture replacement, removes impurities, and accurately detects thickness and radius without the need for complex tools, thus improving detection efficiency and accuracy, avoiding the limitations of localized detection, and enhancing the precision of gear quality control.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of gear inspection technology and discloses an adaptive centering gear inspection fixture, including a base. A vertical plate is fixedly connected to the top of the base, a horizontal plate is fixedly connected to one side of the vertical plate, and a sleeve is fixedly connected to the bottom of the horizontal plate. A piston is slidably connected inside the sleeve, a lifting rod is fixedly connected to the bottom of the piston, and a conical body is rotatably connected to the bottom end of the lifting rod. A spring is fixedly connected to the top of the piston, and the top end of the spring is fixedly connected to the inner wall of the top end of the sleeve. An air inlet pipe is provided on one side of the sleeve, and a solenoid valve is provided on one side of the air inlet pipe. Automatic centering of the gear is achieved by the contact between the conical body and the center hole of the gear. Combined with the pneumatically controlled adjustment of the lifting rod, it can adapt to gears with different inner diameters without the need to change fixture parts, greatly improving the fixture's versatility and inspection efficiency, and solving the problems of poor adaptability and frequent part changes required by traditional fixtures.
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