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1、較薄煤層液壓支架設(shè)計(jì)畢業(yè)論文目錄摘要..........................................................2Abstract.......................................................3第1章引言..............................................71.1液壓支架的組成............................................71.2液壓支架的支護(hù)方式......................................81
2、.3液壓支架的工作原理......................................91.3.1支架升降和推.........................................91.3.2支架的承載過程.......................................101.4.1采煤工作面對液壓支架的設(shè)計(jì)要求.......................101.4.2液壓支架設(shè)計(jì)的基本參數(shù)..............................11第2章液壓支架整體結(jié)構(gòu)設(shè)計(jì)................................122.1支
3、架的高度和支架的伸縮比.............................122.1.2支架間距和寬度的確定...............................122.支架四連桿機(jī)構(gòu)的確定...................................132.2.1四連桿機(jī)構(gòu)的作用....................................132.2.2四連桿機(jī)構(gòu)設(shè)計(jì)的要求...............................142.3頂梁長度的確定........................................152.3.1支架工作方
4、式對頂梁長度的影響.......................152.3.2頂梁長度計(jì)算........................................15第3章立柱結(jié)構(gòu)設(shè)計(jì)和強(qiáng)度計(jì)算.........................163.1雙伸縮立柱缸徑和工作阻力的確定.........................163.1.1雙伸縮雙作用立柱缸徑的確定........................163.1.2泵站壓力的確定.....................................173.1.3立柱初撐力的計(jì)算...................
5、................173.1.4安全閥壓力與立柱工作阻力的計(jì)算......................173.1.5立柱缸體壁厚的計(jì)算..................................18XLIII3.2立柱強(qiáng)度和穩(wěn)定性驗(yàn)算...................................183.2.1立柱缸體強(qiáng)度驗(yàn)算...................................183.2.2雙伸縮立柱穩(wěn)定性驗(yàn)算...............................19第4章較薄煤層液壓支架主要結(jié)構(gòu)設(shè)計(jì)..................
6、..214.1支架主要部件的設(shè)計(jì)要求.................................224.2掩護(hù)式支架頂梁的設(shè)計(jì)...................................234.2.1整體式頂梁.......................................234.2.2鉸結(jié)式頂梁.......................................234.2.3楔形結(jié)構(gòu)梁...........................................234.3底座的設(shè)計(jì)................................
7、.............234.3.1整體剛性底座........................................234.3.2底分式剛性底座啊...................................244.3.3鉸結(jié)分體式底座.....................................244.4掩護(hù)梁和連桿的設(shè)計(jì)...................
