液压锚杆机组合阀的设计

《液压锚杆机组合阀的设计》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、液压锚杆机组合阀的设计毕业论文院部专业班级届次学生姓名学号指导教师二○一○年六月十五日1目录摘要........................................................6引言........................................................81组合阀体的基本原理和公式分析.............................101.1旋转切割与推进自动适应基本原理及公式的推导..........111.2公式分析..............................

2、..............152组合控制阀换向阀的设计及计算.............................162.1换向阀的压力损失分析及确定..........................162.1.1决定阀前孔直径...................................172.1.2决定阀芯外径、阀杆直径和中心孔直径...............172.1.3决定换向阀的最大开口长度.........................182.1.4决定阀体沉割槽直径和宽度.........................182

3、.2换向阀的泄漏分析及有关尺寸的确定....................192.3换向可靠性分析及操作力计算..........................212.3.1摩擦阻力.........................................222.3.2液动力...........................................252.3.3阀芯两端回油压差引起的轴向力.....................252.3.4弹簧力...........................................2

4、62.3.5操纵力的决定.....................................272.4换向平稳性分析......................................272.5换向阀弹簧的设计....................................283减压阀的设计.............................................303.1减压阀简介..........................................303.2减压阀的尺寸设计................

5、....................313.3减压阀弹簧的设计....................................334整体尺寸的确定...........................................355密封装置的设计及选择.....................................375.1密封的类型与选择方法................................385.1.1静密封...........................................3825.1.2动密封

6、...........................................395.2密封的选择..........................................435.3组合控制阀有关部位密封形式及材料的选择..............445.3.1各加工工艺孔的密封...............................445.3.2换向阀前、后端盖的密封...........................445.3.3减压阀前、后端盖的密封...........................456组合阀各零件的制造选

7、择及总体装配..........................467技术经济分析.............................................468结论.....................................................47致谢.......................................................48参考文献...................................................493ContentsSummary.....

8、...................