流体机械2016，Vol.44Issue(9)：47-52,6.DOI:10.3969/j.issn.1005-0329.2016.09.010
一种基于活塞杆动态能量指数的故障监测诊断方法
Study on Fault Diagnosis Methods Based on Dynamic Energy Index of Piston Rod
摘要
Abstract
The piston rod is the core moving part of reciprocating compressor.The large gas forces and reciprocating inertia force will cause fatigue fracture on the rod and will lead to some vicious incidents such as striking the cylinder,leakage of the compres-sor medium or fire explosion.Effective monitoring and fault diagnosis of piston rod working condition is the key to avoid vicious faults.This paper adopt a positive method using the axial dynamic energy index to evaluate the actual running state of the piston rod.The axis orbit,vertical and horizontal instantaneous motion energy of the piston rod could be calculated by vertical and hori-zontal displacement signal.Combined with typical monitoring parameters of piston rod displacement,the monitoring system can re-alize early warming of typical wear fault,looseness fault and fracture fault which is verified by the actual fault data.关键词
活塞杆/往复机械/轴心轨迹/瞬时运动能量Key words
piston rod/reciprocating machinery/axis orbit/instantaneous motion energy分类
机械制造引用本文复制引用
王庆锋,董良遇,张新,张锋,张进杰..一种基于活塞杆动态能量指数的故障监测诊断方法[J].流体机械,2016,44(9):47-52,6.基金项目
973计划项目（2012CB026005）；863计划项目（2014AA041806）；中央高校基本科研业务费专项资金资助项目 （）
