Precise assembly control method for key intersection points of helicopter components

Abstract

The invention provides a precise assembly control method for key intersection points of helicopter components, and belongs to the technical field of machining. The method comprises the steps: a frame part is preliminarily positioned through an adjustable positioning support and a positioning platform; the frame part through is preliminarily positioned the adjustable positioning support and the positioning platform; a beam part is preliminarily positioned through the adjustable positioning support and the positioning platform; the beam part is preliminarily positioned through the adjustable positioning support and the positioning platform; a shape-preserving positioning tool is positioned through the positioning platform, the deviation condition between the mounting intersection point holes in the parts and the shape-preserving positioning tool intersection point positioning holes is checked, and the positioning positions of the parts are adjusted through the adjustable positioning supports according to the deviation condition; the frame parts are positioned through the intersection point positioning holes of the positioning shape-preserving positioning tool; the beam part is positioned through the intersection point positioning hole of the positioning shape-preserving positioning tool; and the frame part and the beam part are positioned through the intersection point positioning holes of the positioning shape-preserving positioning tool. The position precision of the key intersection hole of the helicopter component can be improved.

Description

technical field [0001] The application belongs to the technical field of mechanical processing, and in particular relates to a precise assembly control method for key intersection points of helicopter components. Background technique [0002] At present, the assembly of helicopter fuselage components usually adopts the traditional assembly fixture positioning and assembly process. The assembly accuracy of the components is determined by the manufacturing accuracy of the tooling, which is greatly affected by the machining accuracy of the parts and cannot effectively eliminate the manufacturing errors of the parts. Usually, artificial reaming is carried out through a drilling template after assembly. This method is mostly suitable for hole making of products with low requirements for hole position accuracy, small hole diameter, and low hardness, and it is mostly used for making holes at intersection holes on a single part. Contents of the invention [0003] In order to solve...

AI Technical Summary

Problems solved by technology

[0002] At present, the assembly of helicopter fuselage components usually adopts the traditional assembly fixture positioning and assembly process. The assembly accuracy of the components is determined by the manufacturing accuracy of the tooling, which is greatly affected by the machining accuracy of the parts and cannot effectively eliminate the manufacturing errors of the parts. Usually, artificial reaming is carried out through the drilling template after assembly. This method is mostly suitable for hole making of products with low requirements for hole position accuracy, small hole diameter, and low hardness, and it is mostly used for making holes at intersection holes on a single part.

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