某液压驱动装置运转卡滞故障的分析与改进  

Clamping Fault Analysis & Improvement of Hydraulic Power Drive Unit

作　　者：李士弘 贾坤 谢凡 LI Shi-hong;JIA Kun;XIE Fan(AVIC Aviation Equipment Insitute,Qing'an Group Co.,Ltd.,Xi'an 710077)

机构地区：[1]西安翔迅科技有限责任公司,西安710068 [2]庆安集团有限公司,西安710077

出　　处：《航空精密制造技术》2020年第2期49-51,62,共4页Aviation Precision Manufacturing Technology

摘　　要：通过故障树、故障信息分析,结合在线测试手段,对液压驱动装置运转卡滞故障进行故障定位。通过理论计算和电磁仿真优化了液压驱动装置电磁阀设计参数,产品改进后,试验证明改进效果良好。A running stuck fault of the hydrlic power drive unit was analyzed by failure tree and failure code analysis combined with online test. The parameter of solenoid valve was optimized through theoretic calculation and electromagnetic finite element analysis software ANSYS-Maxwell. The experiment proved that the improvement was effective.

关 键 词：故障树 在线测试 电磁阀 气隙 有限元 

分 类 号：V245.1[航空宇航科学与技术—飞行器设计]