机械设计课程设计计算说明书圆锥—圆柱齿轮减速器.doc

目 录 一、设计任务书·········································································2 二、电机的选择计算 一、择电机的转速································································2 二、工作机的有效功率···························································2 三、选择电动机的型号···························································3 三、运动和动力参数的计算 一、分配传动比·····································································3 二、各轴的转速·····································································3 三、各轴的功率·····································································4 四、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····························································23 计 算 及 说 明 结果 一、设计任务书 班级 机电6班 学号 姓名 刘丰瑾 一、设计题目：设计圆锥—圆柱齿轮减速器 设计铸工车间的型砂运输设备。该传送设备的传动系统由电动机—减速器—运输带组成。每日二班工作。 （图1） 1—电动机；2联轴器；3—减速器；4—鼓轮；5—传送带 二、原始数据： 传送带拉力F(KN) 传送带速度V(m/s) 鼓轮直径D（mm） 使用年限（年） 1.770 1.392 235 7 三、设计内容和要求： 1.编写设计计算说明书一份，其内容通常包括下列几个方面：（1）传动系统方案的分析和拟定以及减速器类型的选择；（2）电动机的选择与传动装置运动和动力参数的计算；（3）传动零件的设计计算（如除了传动，蜗杆传动，带传动等）；（4）轴的设计计算；（5）轴承及其组合部件设计；（6）键联接和联轴器的选择及校核；（7）