目录中文摘要、关键词1英文摘要、关键词.................................................................................................2引言..........................................................................................................................3第1章转向系统概要........................................................................................41.1发展历程与趋势............................................................................................41.2作用与要求....................................................................................................41.3基本组成........................................................................................................51.4分类................................................................................................................51.5动力转向装置................................................................................................5第2章别克转向系统结构分析及工作原理...............................................72.1转向盘和转向柱............................................................................................72.2动力转向器及管路........................................................................................82.2.1转向泵与流量控制阀................................................................................92.2.2转向器阀体总成......................................................................................102.2.3动力转向泵结构原理..............................................................................122.3齿轮齿条式动力转向器..............................................................................122.4转向传动机构..............................................................................................13第3章别克故障分析与排除........................................................................153.1转向系统异响..............................................................................................153.2转向沉重......................................................................................................173.2.1转向沉重的一般情况..............................................................................173.2.2行驶中转向突然变得沉重......................................................................203.2.3快速转动方向盘时沉重..........................................................................20I3.2.4左右转向轻重不同..................................................................................213.3转向盘反冲过大或转向松动......................................................................213.4转向盘不回位或直线行驶自动跑偏...........................................................223.4.1转向盘不回位..........................................................................................223.4.2直线行驶跑偏..........................................................................................233.5转向摆动或方向不稳..................................................................................233.6制动时方向跑偏..........................................................................................243.7油液压力过低..............................................................................................253.7.1转向泵导致油液压力过低.....................................................................
