浅析发动机敲缸故障机理与诊断方法  

A Brief Analysis of Fault Mechanism and Diagnosis Method for Automotive Engine

作　　者：王志忠[1] 

机构地区：[1]第二炮兵士官学校

出　　处：《汽车零部件》2010年第10期43-44,共2页Automobile Parts

摘　　要：0 引言 敲缸是指发动机在工作行程开始的瞬间，活塞头部或裙部与气缸壁相碰撞所发生的异常响声，是汽车较为常见的故障现象。该故障不仅会引起活塞与气缸壁的非正常磨损，而且还会影响车辆运行动力性和经济性。其产生的因素是多方面的，归纳起来有活塞与气缸壁的配合间隙过大、早燃或爆震、异物进缸、活塞环卡死、活塞环折断以及连杆弯曲或扭曲等多种。The knock fault phenomena of automotive engine is very frequent, and its cause is also complex. The knock fault cause of automotive engine was introduced and classified in this paper, and its fault mechanism was analyzed. At last, its fault diagnosis method was presented.

关 键 词：故障机理 发动机 诊断方法 敲缸 活塞环折断 非正常磨损 气缸壁 工作行程 

分 类 号：U472.2[机械工程—车辆工程]