【正文】 ........................................................................... 2 挖掘機 在中國發(fā)展情況 ................................................................................................... 4 第 2 章 挖掘機的選型 .............................................................................................................. 5 挖掘機的工作原理 ........................................................................................................ 5 選擇挖掘機型號 .............................................................................................................. 5 YC85 的性能參數(shù) ........................................................................................................... 6 作業(yè)范圍 ........................................................................................................................ 8 第 3 章 利用 ProO/E 對挖掘機零部件建模 ............................................................................ 9 主臂 ............................................................................................................................... 9 .................................................................................................... 9 ........................................................................................................ 9 .......................................................................................................... 10 .................................................................................................. 12 .................................................................................................. 13 ...................................................................................................... 14 ...................................................................................................... 15 .......................................................................................................... 17 ............................................................................................... 19 ................................................................................................ 20 ............................................................................................................... 22 前臂 ............................................................................................................................. 23 .................................................................................................. 23 ...................................................................................................... 23 .......................................................................................................... 23 A— 1 ................................................................................................. 24 .......................................................................................................... 25 目 錄 ............................................................................................... 26 ........................................................................................... 28 .............................................................................................................. 30 挖斗 ............................................................................................................................. 31 .................................................................................................... 31 ...................................................................................................... 31 .......................................................................................................... 31 .......................................................................................................... 32 .............................................................................................................. 34 ................................................................................................................. 34 .......................................................................................................... 35 ............................................................................................... 38 導向軸 .......................................................................................................................... 42 .................................................................................................. 42 ...................................................................................................... 42 ................................................................................................................... 44 .......................................................................................................................... 48 .................................................................................................. 48 繪制連接片 1 .................................................................................................... 48 2 ................................................................................................... 54 .......................................................................................................................... 55 .................................................................................................. 56 .......................................................................................................... 56 ...................................................................................................... 57 ................................................................................................................ 61 第 4 章 挖掘機裝配 ................................................................................................................ 63 ...................