飛機(jī)管路系統(tǒng)連接卡箍可靠性研究
[Abstract]:Pipeline system is an important part of aircraft transportation fluid. With the increasing attention to the reliability design of airborne system in modern aircraft design concept, the reliability design of pipeline system has become an important research topic in the industry. Pipe coupling clamps are mainly used to fix the connections of aircraft fuel and environmental control systems. If the clamps are damaged or even broken in use, they will have a great impact on the performance and service life of the aircraft related systems. Serious situation will directly endanger flight safety, the consequences are unthinkable. Therefore, it is of great theoretical significance and high engineering application value to study the reliability of connecting clamps of pipeline system, which can effectively improve the reliability of aircraft pipeline system and give full play to the function of each system. In this paper, from the point of view of solving practical problems, the typical failure cases of pipeline connection clamps in aircraft fuel system are selected, and the failure conclusions are given through failure analysis. Through the finite element calculation, combined with the practical application research, the improved scheme of the corresponding optimization design of the clamping structure is put forward, and the feasibility of the scheme is analyzed and evaluated. Based on engineering manufacturing experience, the manufacturing process of clamps is studied and iterated, and according to the design scheme, the improvement and trial-production of clamps are carried out. According to the product test specification, a comprehensive test analysis is carried out on the performance of the improved and trial-manufactured clamps, and a conclusion is given that the improved state clamps have passed various reliability tests and the reliability performance of the products in daily use has been effectively guaranteed.
【學(xué)位授予單位】:哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2016
【分類號(hào)】:V245
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