螺旋千斤顶设计说明书

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螺旋千斤顶设计说明书


目录
1 螺杆的设计与计算····················································································3
1.1 螺杆螺纹类型的选择·········································································3
　　1.2 选取螺杆材料···················································································3
　　1.3 确定螺杆直径···················································································3
　　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·················································································7
　　　　1.7.2 稳定性计算·············································································7
2 螺母设计与计算·······················································································8
　　2.1 选取螺母材料···················································································8
　　2.2 确定螺母高度H及螺纹工作圈数u······················································8
　　　　2.2.1 求螺母高度H··········································································8
　　　　2.2.2 螺纹工作圈数u········································································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 螺母的相关尺寸计算·························································9
3 托杯的设计与计算················································································9
　　3.1 托杯的尺寸计算··············································································10
4 手柄设计与计算······················································································10
　　4.1 手柄材料························································································10
　　4.2 手柄长度Lp·····················································································11
　　4.3 手柄直径dp·····················································································12
　　4.4 挡圈·······························································································12
5 底座设计································································································12
6 参考文献································································································13


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