Aircraft panel butt joint positioning detection method

By designing an inspection device in CATIA software and using a laser cutting machine to manufacture inspection tools, the gap in the detection of stringer and skin positions during panel assembly was filled, realizing a simple and efficient inspection method that ensures that assembly accuracy does not affect the assembly progress.

CN117360789BActive Publication Date: 2026-05-05SHAANXI AIRCRAFT CORPORATION
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Patent Information

Application Number
CN202311414219.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-27
Publication Date
2026-05-05
Estimated Expiration
2043-10-27

AI Technical Summary

Technical Problem

In the existing technology, there is a lack of dedicated means to efficiently detect the positioning of the stringers and skin during the panel assembly process, which makes it impossible to effectively inspect the installation position and overlap position of the joint when the assembly jig is removed from the frame.

Method used

An aircraft panel docking and positioning inspection method is adopted. The product model is designed in CATIA software, the stringer axis and skin docking position are projected, the inspection device is made using a laser cutting machine, and the inspection device is installed on the docked panel to check its conformity.

Benefits of technology

It enables efficient testing of the assembly accuracy of mating panels, simplifies the testing process, reduces testing costs, and does not affect the assembly schedule.

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Abstract

This invention belongs to the field of process equipment design and manufacturing technology, and relates to a method for detecting the positioning of aircraft panel docking. Specifically, it concerns the detection of all stringer positions after the aircraft panel docking assembly is completed, specifically for detecting the positions of the stringers and skin at the docking points. This solves the problem of the lack of dedicated inspection methods for the positioning of stringers, pads, etc., at the docking points after panel docking. This method does not affect the use of the assembly jig or the assembly progress during detection. The detection device is simple in design, low in manufacturing cost, and occupies a small area.
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