螺旋千斤顶设计说明书

目录

1 螺杆的设计与计算················································································································3
1.1 螺杆螺纹类型择··········································································································3
1.2 选取螺杆材料···············································································································3
1.3 确定螺杆直径···············································································································4
1.4 自锁验算························································································································4
1.5 千斤顶结构···················································································································4
1.6 螺杆强度计算···············································································································5
1.7 稳定性计算···················································································································6
1.7.1 计算柔度············································································································6
1.7.2 稳定性计算·······································································································7
2 螺母设计与计算·····················································································································7
2.1 选取螺母材料···············································································································7
2.2 确定螺母高度H及螺纹工作圈数u········································································7
2.2.1 求螺母高度H···································································································7
2.2.2 螺纹工作圈数u·······························································································7
2.2.3 螺母实际高度H······························································································8
2.3 校核螺纹牙强度··········································································································8
2.3.1 螺纹牙的剪切强度和弯曲强度计算·······················································8
2.4 安装要求························································································································9
2.4.1 螺母的相关尺寸算·······················································································9
3 托杯的设计与计算················································································································9
3.1 托杯的尺寸计算··········································································································9
4 手柄设计与计算···················································································································10
4.1 手柄材料······················································································································10
4.2 手柄长度Lp················································································································10
4.3 手柄直径dp···············································································································11
4.4 结构······························································································································12
5 底座设计·······························································································································12
6 参考文献·······························································································································14