【正文】 大學(xué)學(xué)士學(xué)位論文 III 目錄 中文摘要 .................................................................................................................................... I Abstract ....................................................................................................................................... II 1 緒論 .........................................................................................................................................1 端頭支架的技術(shù)經(jīng)濟(jì)分析 ............................................................................................1 工作面端頭支架的類型以及端頭的特點(diǎn) ....................................................................2 端頭支架的分類 ......................................................................................................2 端頭特點(diǎn) ................................................................................................................3 國內(nèi)外一些端頭支架的技術(shù)特征 .............................................................................3 端頭支架的功能及特點(diǎn) ................................................................................................4 端頭液壓支架的工作原理 ..........................................................................................5 端頭支架的技術(shù)要求 ....................................................................................................7 端頭支架設(shè)計(jì)原始數(shù)據(jù) ................................................................................................7 2 端頭液壓支架主要部件的設(shè)計(jì) .....................................................................................8 頂梁的設(shè)計(jì) ....................................................................................................................8 側(cè)護(hù)板的設(shè)計(jì)和選擇 .................................................................................................. 10 側(cè)護(hù)板的種類 ....................................................................................................... 10 側(cè)護(hù)板的結(jié)構(gòu)型式 ................................................................................................ 10 側(cè)護(hù)板尺寸的確定 ................................................................................................ 11 掩護(hù)梁的設(shè)計(jì) .............................................................................................................. 11 底座的設(shè)計(jì) .................................................................................................................. 12 連桿的設(shè)計(jì) .................................................................................................................. 12 立柱的設(shè)計(jì) .................................................................................................................. 12 立柱的類型 ........................................................................................................... 12 立柱的動(dòng)作原理 .................................................................................................... 12 立柱的結(jié)構(gòu) ........................................................................................................... 13 千斤頂?shù)脑O(shè)計(jì) .............................................................................................................. 15 推移千斤頂 ........................................................................................................... 15 側(cè)推千斤頂 ........................................................................................................... 16 3 端頭支架整體設(shè)計(jì) .......................................................................................................... 18 選擇 端頭支架的架型 .................................................................................................. 18 確定支架高度、支架間距、底座長度 ...................................................................... 18 支架高度 .............................................................................................................. 19 支架的伸縮比 ....................................................................................................... 19 支架間距 .............................................................................................................. 19 底座長度 .............................................................................................................. 19 支護(hù)強(qiáng)度和工作阻力 .................................................................................................. 20 XXXX 大學(xué)學(xué)士學(xué)位論文 IV 柱和千斤頂位置的確定 .............................................................................................. 20 立柱布置 .............................................................................................................. 20 ............................................................................................. 21 四連桿結(jié)構(gòu)的設(shè)計(jì) ...................................................................................................... 23 四連桿的作用 ....................................................................................................... 23 ................................................................................................. 24 四連桿的幾何作圖法過程 ...................................................................................... 25 4 端頭支架主要零部件的強(qiáng)度校核 .............................................................................. 28 強(qiáng)度條件 ....................................................................................................................... 28 頂梁強(qiáng)度校核 .............................................................................................................. 29 頂梁受力情況 ....................................................................................................... 29 頂梁強(qiáng)度計(jì)算 ....................................................................................................... 30 底座強(qiáng)度校核 .............................................................................................................. 31 底座受力情況 ....................................................................................................... 31 ..............................................................................