Aircraft component digitized flexible assembling measuring method based on laser tracking measuring technique

A technology of laser tracking measurement and assembly measurement, applied in aircraft assembly, aircraft parts, ground installations, etc. Effects of accessory models

Inactive Publication Date: 2013-12-11
BEIHANG UNIV +1
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Problems solved by technology

In recent years, laser tracking measurement technology has been widely introduced by major aviation manufacturing enterprises, but it is mainly used in quality inspection, tooling installation, etc., and has failed

Method used

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  • Aircraft component digitized flexible assembling measuring method based on laser tracking measuring technique
  • Aircraft component digitized flexible assembling measuring method based on laser tracking measuring technique
  • Aircraft component digitized flexible assembling measuring method based on laser tracking measuring technique

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Embodiment Construction

[0069] The specific implementation of the assembly measurement method will be introduced in detail below in conjunction with the digital flexible assembly of aircraft components. In the digital flexible assembly system, the software platform of the entire assembly measurement system is a software system with Opencascade as the geometric core, and C++ as the development language. The entire assembly measurement method is realized in this software environment, and the working object is the side of a certain type of aircraft. Wall board and bottom board, the size of the wall board (height x length x thickness) is about 4m x 4m x 2mm, the size is large and the thickness is small, the rigidity is poor, the assembly tolerance requirement is 0.5mm, and the bottom plate is a fixed part. The relationship between the assembly measurement system and the surrounding boundary system is as follows: figure 1 shown.

[0070] See figure 2 , the present invention is a digital flexible assemb...

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Abstract

Provided is an aircraft component digitized flexible assembling measuring method based on a laser tracking measuring technique. The assembling measuring method comprises the following steps of (1) carrying out preparation work of assembling measurement, (2) carrying out work of the assembling measurement, and (3) carrying out parallel collaborative measurement in real time. The aircraft component digitized flexible assembling measuring method based on the laser tracking measuring technique relates to the combination of an assembling technique and the measuring technique, the theoretical position information of engineering data concentrated product digital analogy is compared with the coordinates, obtained by a laser tracking instrument in real time, of reference points of assembly parts to form positional deviation, the positional deviation is transmitted to a movement control system, the movement control system generates tool pose control instructions by analyzing the positional deviation and transmits the tool pose control instructions to a flexible tool, the flexible tool drives a workpiece to adjust poses together, and through the coordinated operation of the movement control system, the flexible tool and the workpiece, a closed loop control system is formed to complete the assembling work. The aircraft component digitized flexible assembling measuring method based on the laser tracking measuring technique has good practical value and wide application prospect in the laser tracking measuring technique and the aircraft digitalized assembling field.

Description

technical field [0001] The invention is a digital flexible assembly measurement method for aircraft parts based on laser tracking measurement technology, which belongs to the field of laser tracking measurement technology and aircraft digital assembly. Background technique [0002] The design of modern aircraft is developing in the direction of structural integration, large-scale parts, and manufacturing precision. This not only increases the difficulty of parts manufacturing, but also increases the requirements for assembly quality. The development of foreign assembly technology is very rapid. Advanced digital technology is used to realize its precise assembly, and a large number of digital definition models and optical measurement and positioning technology and equipment are used. Domestic aircraft manufacturing and assembly are still relatively weak. These advanced technologies have not been systematically researched and applied, and a complete system has not been formed....

Claims

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Application Information

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IPC IPC(8): B64F5/00B64F5/10
Inventor 梅中义罗振伟李伟涂晓君崔勇
Owner BEIHANG UNIV
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