基于FTA的某型发动机拉缸故障原因分析与改进研究  

Analysis and Improvement of Cylinder Scoring Fault of An Engine Based on FTA

作　　者：马霞 王东芳 MA Xia;WANG Dongfang(Power Research Institute of Engine Company of Anhui Jianghuai Automobile Group Co.,Ltd.,Hefei 230601,China)

机构地区：[1]安徽江淮汽车集团股份有限公司发动机公司动力研究院,安徽合肥230601

出　　处：《内燃机》2022年第4期58-62,共5页Internal Combustion Engines

摘　　要：发动机拉缸是柴油发动机的典型故障之一,本次研究尝试利用故障树分析法(FTA)解决在江淮汽车集团生产的某型柴油机中出现的拉缸故障。通过对柴油机拉缸故障的原因进行排查和总结,再对所涉及的因素按优先级顺序逐一进行研究和验证。验证结果表明,通过FTA对故障原因进行排查,实施相关针对性的改进措施,有效解决了该柴油机拉缸故障。Engine cylinder scoring is one of the typical faults of diesel engine. This study attempts to use fault tree analysis(FTA) to solve the cylinder scoring fault of a diesel engine produced by Jianghuai automobile group. Through the troubleshooting and summary of the causes of the cylinder scoring fault of diesel engine, the factors involved are studied and verified one by one according to the priority order. The verification results show that the cylinder scoring fault of diesel engine can be effectively solved by troubleshooting the fault causes through FTA and implementing targeted improvement measures.

关 键 词：柴油机 拉缸故障 FTA 网纹 

分 类 号：TK427[动力工程及工程热物理—动力机械及工程]