目录摘要.....................................................................................................................IAbstract.................................................................................................................II第1章绪论..........................................................................................................11.1露天煤矿及露天煤矿采煤工艺的发展.................................................11.2矿山机械中的液压传动.........................................................................11.3LMXC-I型露天选采机的概述...............................................................3第2章液压系统设计计算..................................................................................42.1技术要求.................................................................................................42.1.1LMXC-I型滚筒式露天选采机液压传动系统综述.....................42.1.2液压传动系统的设计参数..........................................................42.2系统功能设计.........................................................................................42.2.1确定主要参数..............................................................................42.2.2拟订液压系统原理图................................................................132.3组成元件设计.......................................................................................152.3.1主液压泵及其驱动电动机的确定.............................................152.3.2整个液压系统中各液压缸动作情况.........................................192.3.3液压控制阀的选择....................................................................202.3.4管路的选择、布置与连接........................................................212.3.5油箱及其组件的设计................................................................232.3.6液压泵组的结构设计................................................................302.4验算液压系统技术性能.......................................................................312.4.1系统效率的估算.....................................................................312.4.2发热温升估算及热交换器的选择...............................