较薄煤层液压支架设计毕业论文.doc

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1、液压支架较薄煤层液压支架设计毕业论文目录摘要..........................................................2Abstract.......................................................3第1章引言..............................................71.1液压支架的组成............................................71.2液压支架的支护方式.............................

2、.........81.3液压支架的工作原理......................................91.3.1支架升降和推.........................................91.3.2支架的承载过程.......................................101.4.1采煤工作面对液压支架的设计要求.......................101.4.2液压支架设计的基本参数..............................11第2章液压支架整体结构设计....................

3、............122.1支架的高度和支架的伸缩比.............................122.1.2支架间距和宽度的确定...............................122.支架四连杆机构的确定...................................132.2.1四连杆机构的作用....................................132.2.2四连杆机构设计的要求...............................142.3顶梁长度的确定...........................

4、.............152.3.1支架工作方式对顶梁长度的影响.......................152.3.2顶梁长度计算........................................15第3章立柱结构设计和强度计算.........................163.1双伸缩立柱缸径和工作阻力的确定.........................163.1.1双伸缩双作用立柱缸径的确定........................163.1.2泵站压力的确定.....................................17

5、3.1.3立柱初撑力的计算...................................173.1.4安全阀压力与立柱工作阻力的计算......................173.1.5立柱缸体壁厚的计算..................................18XLIII液压支架3.2立柱强度和稳定性验算...................................183.2.1立柱缸体强度验算...................................183.2.2双伸缩立柱稳定性验算.........................

6、......19第4章较薄煤层液压支架主要结构设计....................214.1支架主要部件的设计要求.................................224.2掩护式支架顶梁的设计...................................234.2.1整体式顶梁.......................................234.2.2铰结式顶梁.......................................234.2.3楔形结构梁...................................

7、........234.3底座的设计.............................................234.3.1整体刚性底座........................................234.3.2底分式刚性底座啊...................................244.3.3铰结分体式底座.....................................244.4掩护梁和连杆的设计...........