设计圆锥—圆柱齿轮减速器(有全套图纸）.doc

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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
1. 减速器高速轴I的设计······················································9
2. 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
3. 大圆柱齿轮与低速轴III的的键联接·····························20

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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校核；（7）减速器箱体，润滑及附件的设计；（8）装配图和零件图的设计；（9）校核；（10）轴承寿命校核；（11）设计小结；（12）参考文献；（13）致谢。

计 算 及 说 明
结果
2.要求每个学生完成以下工作：
（1）减速器装配图一张（0号或一号图纸）
（2）零件工作图两张（输出轴及该轴上的大齿轮），图号自定，比例1︰1。
（3）设计计算说明书一份。
二、传动方案的拟定
运动简图如下：

（图2）
由图可知，该设备原动机为电动机，传动装置为减速器，工作机为型砂运输设备。
减速器为展开式圆锥—圆柱齿轮的二级传动，轴承初步选用深沟球轴承。
联轴器2选用凸缘联轴器，8选用齿形联轴器。

计 算 及 说 明
结果
计 算 及 说 明
结果

计 算 及 说 明
结果