大型水陆两栖飞机起落架静强度试验高载多压缩量加载技术研究  

High-load and Multi-compression Loading Technology for Static Strength Test of Landing Gear of Large Amphibious Aircraft

作　　者：李三元[1,2] 谢宇航[1,2] 王景州 魏玉龙[1,2] LI Sanyuan;XIE Yuhang;WANG Jingzhou

机构地区：[1]中国飞机强度研究所,西安710065 [2]强度与结构完整性全国重点实验室(中国飞机强度研究所),西安710065

出　　处：《科技创新与应用》2023年第14期13-17,共5页Technology Innovation and Application

摘　　要：大型水陆两栖飞机主起落架结构复杂,静强度试验工况多、垂向载荷高,且缓冲支柱压缩量多,为典型的小空间内高载多压缩量试验模拟技术问题,试验设计难度较高。该文提出杠杆分载与压缩量调节结合、优化试验工况顺序的技术方案,并设计可升降等强度等比例杠杆加载系统和多压缩量便捷调节装置,形成大型飞机起落架静强度试验高载多压缩量加载技术,具有便捷、高效、安全和可靠的优点,有效解决小空间内的垂向高载和多压缩量模拟技术问题,已成功应用于大型水陆两栖飞机起落架部件的适航验证试验。The main landing gear of large amphibious aircraft has complex structure,many static strength test conditions,high vertical load,and a large amount of cushion support compression,which is a typical technical problem of high load and multi-compression test in small space,and the test design is difficult.This paper puts forward a technical scheme of combining lever load distribution with compression adjustment and optimizing the sequence of test conditions,and designs a proportional lever loading system with equal strength and convenient adjustment device for multi-compression,which forms the high-load and multi-compression loading technology for the static strength test of large aircraft landing gear,which has the advantages of convenience,high efficiency,safety and reliability,and effectively solves the technical problems of vertical high load and multi-compression simulation in small space.It has been successfully applied to the airworthiness verification test of landing gear components of large amphibious aircraft.

关 键 词：水陆两栖飞机 起落架 静强度试验 加载技术 压缩量 

分 类 号：V216.1[航空宇航科学与技术—航空宇航推进理论与工程]