A fixture for grinding the inner circle of the outer cylinder of a Y-shaped landing gear and a method of use

By designing a fixture for grinding the inner circle of the outer cylinder of a Y-shaped landing gear, the problem of adjusting the deviation between the inner circle of the outer cylinder and the rotation center was solved, improving the machining accuracy and quality, and making it suitable for aircraft landing gear manufacturing.

CN122401276APending Publication Date: 2026-07-17SHANGHAI MACHINE TOOL WORK +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI MACHINE TOOL WORK
Filing Date
2026-06-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The deviation between the inner circle of the outer cylinder of the Y-shaped landing gear and the rotation center is difficult to adjust, resulting in high processing difficulty, low precision, and high requirements for the function and precision of the processing equipment.

Method used

A fixture for grinding the inner cylinder of a Y-shaped landing gear outer tube was designed, including a clamping part, a positioning device, and a clamping device. By adjusting the deviation between the irregular end of the Y-shaped landing gear outer tube and the rotation center, the stability of the workpiece rotation and the machining accuracy are improved.

Benefits of technology

It achieves stable clamping and rotation of the irregular Y-shaped landing gear outer cylinder, reducing clamping difficulty and improving machining accuracy and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明涉及一种Y形起落架外筒内圆磨削用夹具及使用方法,该夹具包括夹持部和头架连接板;夹持部包括夹具底座、定位装置以及夹紧装置;定位装置靠近夹具底座旋转中心的位置,夹紧装置和定位装置共线设置在夹持部的回转半径上;定位装置包括位置平台、定位板、侧定位板,定位板具有基准支撑面;侧定位板垂直于基准支撑面安装在定位板的侧面以限制Y形起落架外筒的异形端偏转。通过该夹具的使用可以实现对非规则的Y形起落架外筒进行夹持并实现回转,降低了夹持的难度,方便进行Y形起落架外筒回转中心相比较头架的主轴的回转中心的偏差调整,提升后续加工的质量和精度。
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