文经学院目录引言.....................................................................................................................................................1正文.............................................................................................................................................21液压传动概述..................................................................................................................21.1液压传动系统的特点...........................................................................................21.2液压传动应用于汽车起重机上的优缺点...........................................................22汽车起重机总体方案设计..............................................................................................32.1传动型式的选定...................................................................................................32.2动力装置的选定...................................................................................................42.3起升机构液压油路方案设计...............................................................................52.4支臂控制机构液压油路方案设计.......................................................................62.5回转机构液压油路方案设计...............................................................................82.6支腿机构液压油路方案设计...............................................................................93起重机液压系统元件的选择........................................................................................113.1汽车起重机液压系统功能、组成和工作特点................................................113.2典型工况分析及对系统的要求.........................................................................134起重机各液压回路组成原理和性能分析....................................................................144.1汽车起重机典型液压系统原理图.....................................................................144.2起升回路.............................................................................................................144.3变幅回路.............................................................................................................164.4伸缩回路.............................................................................................................164.5回转回路.............................................................................................................174.6支腿回路.............................................................................................................184.7制动回路.............................................................................................................195起重机液压系统的常见故障及预防............................................................................205.1起重机液压系统的主要故障.............................................................................205.2汽车起重机液压系统故障的预防.....................................................................205.3起重机液压系统故障的排除.............................................................................21结论...........................................................................................................................................23I汽车起重机液压系统设计致谢...............................................................