目录

第一章

概论..................................................................................18

1.1 挖掘机的简介..........................................................................................................................................18
1.2 行走装置...................................................................................................................................................18
1.3

回转机构 ..................................................................................................................................................18

1.4

工作装置 ..................................................................................................................................................19

第二章液压挖掘机的发展概况..............................................................................................................19
2.1 国外液压挖掘机目前水平及发展趋势...............................................................................................19
2.2 国内液压挖掘机的发展概况................................................................................................................20

第三章设计内容的意义...........................................................................................................................21

第四章

结论.....................................................................................21

致谢 ..................................................................................................21

参考文献 ..............................................................................................22

II