Digitalized assembly system for bodies of large planes

Abstract

The invention discloses a digitalized assembly system for bodies of large planes. The digitalized assembly system comprises an attitude-adjusting positioning system base platform, an attitude-adjusting positioner unit, a shape-preserving frame, process connectors, end surface shape-preserving frame positioners, a process floor, a modularized external console and a robot machining plant. The digitalized assembly system integrates the numerically controlled positioners, the shape-preserving frame and the process connectors together to carry out flexible supporting, attitude adjustment and accurate positioning for each panel module and realize stress-free or low-stress assembly; the numerically controlled positioners can move in coordination to elastically restore deformed panel modules; the industrial robot holing technique and the industrial robot boring technique are adopted to increase the connection quality of opposite joint areas in body assembly, bore main intersection holes and increase the positional and surface precision of holes; the industrial robot-assisted assembly technique is adopted to accurately position and mount system parts; and by arranging the mounting positions of a plurality of numerically controlled positioners, the digitalized assembly system can be adapted to the change in the length of a body, and has certain scalability.

Description

technical field [0001] The invention relates to a digital assembly system for a fuselage in a large aircraft, and belongs to the technical field of aircraft digital assembly. Background technique [0002] Aircraft assembly is an extremely important part of the aircraft manufacturing process. Due to the large size of the product, complex shape, large number of parts and connectors, and complex coordination parts, the labor of large-scale aircraft assembly accounts for about half or more of the total labor of aircraft manufacturing, which largely determines the final quality of the aircraft. Manufacturing cost and cycle are the key and core links of aircraft manufacturing. Economically and militarily developed countries pay great attention to aircraft assembly technology, and have invested heavily in research and development of aircraft automatic assembly technology based on digital design, manufacturing, measurement and control, and have achieved remarkable success. [...

AI Technical Summary

Problems solved by technology

However, the aircraft component assembly and complete machine assembly still use the analog quantity coordination method of the former Soviet Union in the 1960s and 1970s. A large number of rigid tooling is used, and the purely manual backward assembly technology has low assembly quality and efficiency, which cannot meet the needs of modern military and civil aircraft. Long life, high reliability requirements

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