二级直齿圆锥斜齿圆柱齿轮减速器设计说明书（编号a）.doc

机械设计课程设计 计算说明书 圆锥圆柱齿轮减速器 学 院： 班 号： 学 号： 设 计 者： 指导教师： 年 月 目 录 一? 设计任务书························································································2 二? 电机的选择计算 1. 择电机的转速·················································································2 2. 工作机的有效功率···········································································2 3. 选择电动机的型号···········································································3 三? 传动和动力参数的计算 分配传动比····················································································3 各轴的转速····················································································3 各轴的功率····················································································4 4. 各轴的转矩·····················································································4 四? 传动零件的设计计算 1. 闭式直齿轮圆锥齿轮传动的设计计算·················································4 2. 闭式直齿轮圆柱齿轮传动的设计计算·················································6 五? 轴的设计计算 减速器高速轴I的设计·····································································9 减速器低速轴II的设计··································································11 3. 减速器低速轴III的设计··································································14 六? 滚动轴承的选择与寿命计算 1.减速器高速I轴滚动轴承的选择与寿命计算·········································16 2.减速器低速II轴滚动轴承的选择与寿命计算········································17 3. 减速器低速III轴滚动轴承的选择与寿命计算·····································18 七? 键联接的选择和验算 1. 联轴器与高速轴轴伸的键联接··························································19 2. 大圆锥齿轮与低速轴II的的键联接····················································19 大圆柱齿轮与低速轴III的的键联接··················································20 八? 润滑油的选择与热平衡计算 1. 减速器的热平衡计算·········································································21 2. 润滑油的选择·················································································22 九? 参考文献·········································································