【正文】 ............20 ............................................................................29 ..............................................................................................29 ...........................................................29 .......................................................................................30 3 放頂煤液壓支架主要結(jié)構(gòu)設(shè)計(jì) ...................................................................................31 ................................................................................31 .....................................................................................................32 （圖 ） ..........................................................................32 （圖 ） ..........................................................................32 .....................................................................................................33 （圖 ） ..........................................................33 ............................................................................34 .....................................................................................................34 中國(guó)礦業(yè)大學(xué) 2021 屆本科生畢業(yè)設(shè)計(jì) 第 2 頁(yè) （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(shè)計(jì)和強(qiáng)度計(jì)算 ..........................................................................................46 ..................................................................46 .........................................................................46 ....................................................................................47 ................................................................................47 ............................................................................47 立柱缸體壁厚的計(jì)算 ..............................................................................48 ....................................................................................48 ................................................................................48 ....................................................................................49 ............................................................................51 ..................................................................54 5 液壓支架受力分析 ....................................................................................................56 ................................................................................................................56 .......................................................................................56 ....................................................................................56 .......................................................................................57 .........................................................................58 ..................................................................59 .....................................................................60 .....................................................................62 中國(guó)礦業(yè)大學(xué) 2021 屆本科生畢業(yè)設(shè)計(jì) 第 3 頁(yè) .....................................................................63 .....................................................................63 .........................................................................63 ..............................................................................................65 ..................................................................................................67 6 液壓支架強(qiáng)度計(jì)算 ....................................................................................................69 .........................................................................................................69 強(qiáng)度校核 ..................................................................................................70 ..................................................................................................74 ..............................................................................................79 強(qiáng)度校核 ..................................................................................................82 ..............................................................................................86 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