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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 机械0402 学号 200406010219 姓名 郑利江
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
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