汽车发动机异响分析  

Analysis on Abnormal Sound of Automobile Engine

作　　者：卢意[1] 宋浩 陈玉洁 李永禄[1] LU Yi;SONG Hao;CHEN Yujie;LI Yonglu(Taizhou Polytechnic College,Taizhou 225300,China)

机构地区：[1]泰州职业技术学院,江苏泰州225300

出　　处：《汽车实用技术》2023年第6期149-152,共4页Automobile Applied Technology

基　　金：2021年江苏省大学生创新创业训练计划项目课题《汽车发动机维修现状与技术革新的研究分析》(202112106021Y)。

摘　　要：发动机异响是发动机的常见故障之一,会同时影响汽车的舒适性、动力性和安全性。常见的发动机异响有“突突”“铛铛”“嗒嗒”等,为了更加快捷准确地诊断各异响的故障起因和位置,文章从异响的频率、大小、发出部位等多方面入手,逐个分析了各种异响的形成机理和逻辑关联。总结出了针对不同异响的快速检修规律,并利用实际案例阐述了排故的步骤和思路,为日常的发动机异响排故维修提高了时效性和准确性。Abnormal sound of engine is one of the common engine faults,which will affect the comfort,power and safety of the vehicle.Common abnormal engine sound is "tutu" "dang dang" "da da" etc.In order to diagnose the fault cause and location of different noises more quickly and accurately,this paper analyzes the formation mechanism and logical relation of different noises one by one from the frequency、size and location.The rule of quick maintenance for different abnormal sounds is summarized.The steps and ideas of troubleshooting are illustrated by practical cases,which improves the timeliness and accuracy of the daily maintenance of abnormal engine noise troubleshooting.

关 键 词：发动机异响 典型故障 声调频率 噪声位置 

分 类 号：U464[机械工程—车辆工程]