基于故障树分析的智能张拉设备液压系统故障诊断  

Fault Diagnosis on Hydraulic System of Intelligent Tension Equipment Based on Fault Tree Analysis

作　　者：李文锋[1] 廖强[1] 贺华芹 方正[1] LI Wen-feng;LIAO Qiang;HE Hua-qin;FANG Zheng(Chongqing Communications Technology Research&Design Institute, Chongqing 400067,China)

机构地区：[1]招商局重庆交通科研设计院,重庆400067

出　　处：《液压气动与密封》2017年第2期74-77,共4页Hydraulics Pneumatics & Seals

基　　金：国家山区公路工程技术研究项目(3Y020)

摘　　要：针对智能张拉设备售后维护成本高、故障处置周期长等问题,基于故障树分析方法建立了比例伺服液压系统的故障树模型,并针对该故障树进行了定性分析与定量计算,获取了各底事件部件的关键重要度,以此确定了故障诊断排查次序,辅助现场人员查看确定故障部件并进行故障处置,提高了工程现场的设备故障处理效率,降低了对操作人员技能的要求,降低了售后服务成本。Owing to the problems such as high cost and long time to solving of intelligent tension equipment,servo hydraulic system fault tree model is established based on the method of Fault-Tree-Analysis.And the key importance of each component is obtained through qualitative analysis and quantitative calculation.After that,the fault checking sequence are fixed by the key importance.The method is applied to assist the site personnel to identify the fault components and to solve the fault of the equipment.It improved the efficiency of the equipment’s failure treatment in construction site,reduced the requirements of the operator’s skills and the cost of after-sales service.

关 键 词：智能张拉设备 液压系统 故障诊断 故障树分析 

分 类 号：TH137[机械工程—机械制造及自动化] TP277[自动化与计算机技术—检测技术与自动化装置]