汽车转向系统诊断故障与维修

ofaccountability,redressofordersandprohibitions.Strengtheningthehonestyandself-disciplineofleadingcadreshonestyinpoliticsandeducationwork,enhanceleadersabilitytoresist包头职业技术学院车辆工程系毕业综合技能训练工作报告汽车转向系统诊断故障与维修论文撰写人靳仁强系部车辆工程系班级309331学号30933132指导教师朱颖发任务书日期2011年12月5日ofaccountability,redressofordersandprohibitions.Strengtheningthehonestyandself-disciplineofleadingcadreshonestyinpoliticsandeducationwork,enhanceleadersabilitytoresist摘要本文阐述了汽车转向系统各个部分的作用、组成、主要构造、工作原理、及可能出现的故障，同时提出了对出现的故障进行维修的可行方案；采用了理论与实际相结合的方法，对每个问题都有良好的认识，对所学内容进行了良好的总结归纳，以此进一步熟悉掌握汽车转向系统的各方面知识，深化巩固所学知识，做到理论与实际相结合，在理论学习的前提下，用实际更好的理解所学内容。关键词：汽车转向系统工作原理故障维修ofaccountability,redressofordersandprohibitions.Strengtheningthehonestyandself-disciplineofleadingcadreshonestyinpoliticsandeducationwork,enhanceleadersabilitytoresist目录前言................................................................................................................................................11概述..............................................................................................................................................21.1汽车转向系统概述...........................................................................................................21.2转向系简介及工作原理...................................................................................................21.2.1转向操纵机构.......................................................................................................31.2.2机械转向器...........................................................................................................31.2.3转向传动机构及原理...........................................................................................32汽车转向系统的故障诊断...........................................................................................................42.1机械转向系故障诊断.......................................................................................................42.1.1故障现象...............................................................................................................42.1.2故障原因及处理办法...........................................................................................42.2转向盘自由行程过大.......................................................................................................52.2.1故障现象...............................................................................................................52.2.2故障原因及处理办法...........................................................................................52.3转向轮抖动.......................................................................................................................62.3.1故障现象...............................................................................................................62.3.2故障原因及处理办法...........................................................................................62.4转向噪音...........................................................................................................................72.4.1故障现象...............................................................................................................72.4.2故障原因及处理办法...........................................................................................72.5转向仪器检测...................................................................................................................82.5.1转向盘转向力的检测...........................................................................................82.5.2转向盘自由转动量的检测...................................................................................93对汽车转向系统的故障进行维修...............................................................................................93.1机械转向系的维修...........................................................................................................93.2转向器的维护..................................................................................................................103.3转向传动机构的维修......................................................................................................10结论..............................................................................................................................................13致谢..............................................................................................................................................15参考文献.........................................................................................................................................14包头职业技术学院车辆工程系毕业综合技能训练工作报告1前言汽车转向系统是用于改变或保持汽车行驶方向的专门机构。起作用是使汽车在行驶过程中能按照驾驶员的操纵要求而适时地改变其行驶方向，并在受到路面传来的偶然冲击及汽车意外地偏离行驶方向时，能与行驶系统配合共同保持汽车继续稳定行驶。因此，转向系统的性能直接影响着汽车操纵稳定性和安全性。ofaccountability,redressofordersandprohibitions.Strengtheningthehonestyandself-disciplineofleadingcadreshonestyinpoliticsandeducationwork,enhanceleadersabilitytoresist1概述1.1汽车转向系统概述用来改变或保持汽车行驶或倒退方向的一系列装置称为汽车转向系统(steeringsystem)。汽车转向系统的功能就是按照驾驶员的意愿控制汽车的行驶方向。汽车转向系统对汽车的行驶安全至关重要，因此汽车转向系统的零件都称为保安件。汽车转向系统和制动系统都是汽车安全必须要重视的两个系统。汽车在行驶的过程中,需按驾驶员的意志改变其行驶方向。就轮式汽车而言,实现汽车转向的方法是,驾驶员通过一套专设的机构,使汽车转向桥(一般是前桥)上的车轮(转向轮)相对于汽车纵横轴线偏转一定角度。这一套用来改变或恢复