机械设计课程设计
设计题目：二级圆柱齿轮减速器的设计
机械与自动控制学院 院（系）机械设计制造及其自动化 专业
班级：09机制（4）班 学号：B09300421 学生姓名：寿飞锋 指导教师：钱 萍 完成日期： 2012 年 1 月 8 日
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浙江理工大学
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目录
1.设计任务书······························································1
1.1设计数据及要求·······················································1 1.2传动装置简图·························································1 1.3设计所需完成的工作量················································1
2.传动方案的拟定························································1 3.电动机的选择···························································2
3.1 选择电动机的类型····················································2 3.2选择电动机功率·······················································2 3.3 确定电动机的转速····················································2 3.4 电动机的主要尺寸····················································3
4.传动比的计算及分配····················································4
4.1 总传动比······························································4 4.2 分配传动比···························································4
5.传动装置的动力、运动参数计算······································4
5.1 各轴转速······························································4 5.2 各轴功率······························································4
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5.3 各轴转矩······························································5 5.4 主要传动数据·························································5
6.减速器内传动的设计计算··············································5
6.1 高速级斜齿圆柱齿轮的设计计算······································5 6.2 低速级斜齿圆柱齿轮的设计计算······································11
7.斜齿圆柱齿轮上作用力的计算·········································15
7.1 高速级齿轮传动的作用力··············································15 7.2 低速级齿轮传动的作用力··············································16
8.减速器装配图的设计····················································16
8.1 合理布置图画·························································16 8.2 绘制齿轮的轮廓尺寸··················································17 8.3 箱体内壁·····························································17
9.轴的设计计算···························································18
9.1 中间轴的设计计算····················································18 9.2 高速轴的设计计算····················································20 9.3 低速轴的设计计算····················································23 9.4 轴设计的主要参数····················································30
10.减速器箱体的结构尺寸···············································31
10.1 箱座高度····························································31
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10.2 箱体壁厚····························································32 10.3 轴承座螺栓凸台的设计··············································32 10.4 设置加强肋板·······················································32 10.5 箱盖外轮廓的设计··················································32 10.6 箱体凸缘尺寸·······················································32 10.7 箱体具体尺寸·······················································33
11.润滑油的选择与计算·················································34 12.装配图与零件图······················································35
12.1 附件的设计与选择··················································35 12.2 绘制装配图和零件图················································35
13.设计小结······························································36 14.参考文献······························································36 附件一：减速器装配图 附件二：减速器输出轴
附件三：减速器输出轴上的齿轮 附件四：减速器箱盖
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