【正文】 中國礦業(yè)大學 2021 屆本科生畢業(yè)設計 第 1 頁 目 錄 1 緒論 .......................................................................................................................... 1 ............................................................................................ 4 ........................................................................................ 5 ................................................................... 6 .......................................................................... 6 ................................................................... 7 .............................................................................................. 11 ....................................................................................... 11 ....................................................................................... 11 ....................................................................................12 ....................................................................................13 ......................................14 .......................................................14 .....................................................................14 ...........................................................................................15 2 液壓支架整體結(jié)構(gòu)設計 .............................................................................................15 .......................................................................................15 ..................................................................15 .........................................................................16 ....................................................................................17 ................................................................................17 求 .........................................................................18 ...........................................................................................19 ............................................................................20 ............................................................................29 ..............................................................................................29 ...........................................................29 .......................................................................................30 3 放頂煤液壓支架主要結(jié)構(gòu)設計 ...................................................................................31 ................................................................................31 .....................................................................................................32 （圖 ） ..........................................................................32 （圖 ） ..........................................................................32 .....................................................................................................33 （圖 ） ..........................................................33 ............................................................................34 .....................................................................................................34 中國礦業(yè)大學 2021 屆本科生畢業(yè)設計 第 2 頁 （圖 ） .............................................................34 （圖 ） .............................................................35 .......................................................................................35 ..............................................................................................36 ................................................................................36 ..............................................................36 ..............................................................37 .......................................................................................39 ............................................................................39 ..............................................................................................40 ..............................................................................................40 ....................................................................................40 ....................................................................................41 ..............................................................................................42 ..............................................................................42 ............................................................................................42 ...........................................................................42 ZFS5000/32/47放頂煤液壓支架性能參數(shù)一覽表 .................................43 4 立柱結(jié)構(gòu)設計和強度計算 ..........................................................................................46 ..................................................................46 .........................................................................46 ....................................................................................47 ................................................................................47 ............................................................................47 立柱缸體壁厚的計算 ..............................................................................48 ....................................................................................48 ................................................................................48 ....................................................................................49 ............................................................................51 ..................................................................54