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螺旋千斤顶CAD课程设计装配图源文件(附说明书)
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设计题目: 设计螺旋千斤顶
设计条件:
1、最大起重量F = 65 kN;
2、最大升距H =240 mm。
目录
1螺杆的设计与计算··················································································································3
1.1螺杆螺纹类型选择····································································································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······················································································································3
1.5结构································································································································4
1.6螺杆强度计算·············································································································4
1.7稳定性计算··················································································································5
1.7.1计算柔度·········································································································6
1.7.2计算稳定性····································································································6
2螺母设计与计算······················································································································6
2.1选取螺母材料·············································································································6
2.2确定螺母高度H¢及螺纹工作圈数u······································································6
2.2.1求螺母高度H¢································································································7
2.2.2螺纹工作圈u·····························································································7
2.2.3螺母实际高度H¢····························································································7
2.3校核螺纹牙强度·········································································································7
2.4结构要求······················································································································8
3托杯的设计与计算··················································································································8
4手柄设计与计算······················································································································9
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·····························································································································11
5底座设计··································································································································12
参考资料·····································································································································13
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