本科毕业论文-双铰接剪叉式液压升降台的设计

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1、目录第一章绪论························································11.1举升机的发展简史·····················································11.2汽车举升机的设计特点···············································21.3汽车举升机的安全保证措施···········································31.3.1设计制造方面的安全保证措施·············

2、··························31.3.2使用维护方面的安全保证措施·······································4第二章剪叉式升降台的应用及其受力分析的讨论·························52.1剪叉式升降平台的三种结构形式·······································52.2双铰接剪叉式升降平台机构的位置参数计算···························62.3双铰接剪叉式升降平台机构的动力参数计算···················

3、········82.4剪叉式升降平台机构设计时应注意的问题······························92.5针对性比较小实例：···················································92.6双铰接剪叉式升降平台机构中两种液压缸布置方式的分析比较·········12272.6.1问题的提出：······················································132.6.2两种布置方式的分析和比较：···························

4、···········142.6.3实例计算·························································15第三章液压传动系统的设计计算··········································203.1明确设计要求制定基本方案：·········································203.2制定液压系统的基本方案··············································203.2.1确定液压执行元件的形式····

5、···································203.2.2确定液压缸的类型················································223.2.3确定液压缸的安装方式···········································223.2.4缸盖联接的类型··················································223.2.5拟订液压执行元件运动控制回路···································22

6、3.2.6液压源系统························································223.3确定液压系统的主要参数··············································23273.3.1载荷的组成与计算：················································233.3.2初选系统压力······················································253.3.3计算液压缸的主要结构尺寸

7、········································263.3.4确定液压泵的参数·················································283.3.5管道尺寸的确定··············································…303.3.6油箱容量的确定················································313.4液压缸主要零件结构、材料及技术要求·······························

8、·313.4.1缸体······························