目录摘要....................................................................................................................................1Abstract.......................................................................................................................................2第一章前言........................................................................................................31.1毕业设计目的......................................................................................................................31.2本课题的内容和要求.........................................................................................................31.2课题研究的意义..................................................................................................................4第二章林木移栽机机构..................................................................52.1整体结构及其主要参数.....................................................................................................52.2主要部件结构分析与设计................................................................................................62.3本章小结...............................................................................................................................9第三章制定基本方案和绘制液压系统图.......103.1制定基本方案......................................................................................................................103.2绘制液压系统图..................................................................................................................13第四章液压元件的选型与计算......................................154.1液压泵的选择......................................................................................................................154.2液压阀的选择......................................................................................................................174.3蓄能器的选择......................................................................................................................184.4管道尺寸的确定..................................................................................................................184.5油箱容量的确定..................................................................................................................20第五章液压缸的计算.....................................................................215.1负载分析...............................................................................................................................215.2提升液压缸主要参数的确定............................................................................................225.3拟订液压系统图..................................................................................................................235.4液压元件的选择..................................................................................................................245.5液压系统的性能验算.........................................................................................................26结论................................................................................................................................29致谢................................................................................................................................30参考...
