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运五飞机起落架减震支柱渗漏故障研究

Study on Leakage Fault of Landing Gear Shock Absorption Strut of Yun-5 Aircraft
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摘要 运五飞机起落架是不可收放、固定式结构,减震支柱通过填充氮气-油液来实现减震功能,在飞机着落和滑行中承受较大的冲击载荷。减震支柱漏油、漏气是飞机的常见故障,准确筛查漏油、漏气部位,才能确定漏油、漏气原因。通过分析飞机主起落架系统的结构组成原理,故障现象及其原因,准确判断故障根源,经过反复试验,取得装配中的准确数据,提高故障排除效率,制订有效预防措施。从而提高主起落架系统维护的可靠性,保证飞机运行安全。 The landing gear of Yunwu aircraft is a non retractable and fixed structure,shock absorption strut is filled with nitrogen oil to achieve the shock absorption function,it bears large impact load during landing and taxiing of aircraft.Oil leakage and air leakage of shock absorption strut are common faults of aircraft,accurate screening of oil and gas leakage parts,to determine the cause of oil and gas leakage.By analyzing the structure and principle of aircraft main landing gear system,fault phenomena and causes,accurately determine the root cause of the fault,after repeated tests,get accurate data in assembly,improve troubleshooting efficiency,formulate effective preventive measures.So as to improve the maintenance reliability of the main landing gear system,ensure the safety of aircraft operation.
作者 朱金华 刘建辉 崔明迁 ZHU Jin-hua;LIU Jian-hui;CUI Ming-qian(Tha Aircraft Repair Plant of 93199 Air Force Unit,Wuchang 150223,China)
机构地区 空军
出处 《液压气动与密封》 2021年第7期86-89,共4页 Hydraulics Pneumatics & Seals
关键词 减震支柱 渗漏 故障原因 排除方法 shock absorption strut leakage fault cause exclusion method
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