机械厂装配车间输送带传动装置设计

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1、机械课程设计说明书课程名称:机械设计题目名称:机械厂装配车间输送带传动装置设计学生学院:电力工程学院目录机械设计任务书机械课程设计任务书························································································1机械课程设计第一阶段1.1、确定传动方案·····························································································21.2、电动机选择·······

2、························································································31.3、传动件的设计····························································································5机械课程设计第二阶段2.1装配草图设计第一阶段说明······································································

3、···172.2轴的设计及校核·························································································172.3滚动轴承的选择·························································································212.4键和联轴器的选择·····································································

4、·················22机械课程设计第三阶段3.1、减速器箱体及附件的设计·········································································233.2、润滑方式、润滑剂及密封装置的选择·························································24机械课程设计小结4.1、机械课程设计小结·····································································

5、············25附1：参考文献机械课程设计任务书一、课程设计的内容题目D3.机械厂装配车间输送带传动装置设计设计一带式运输机传动装置（见图1）。图2为参考传动方案。图1带式运输机传动装置图2参考传动方案二、课程设计的要求与数据1、设计条件：1）机器功用由输送带传送机器的零部件；2）工作情况单向运输、轻度振动、环境温度不超过35℃；3）运动要求输送带运动速度误差不超过5%；4）使用寿命10年，每年350天，每天16小时；5）检修周期一年小修；两年大修；6）生产批量单件小批量生产；7）生产厂型中型机械厂2、设计任务1）设计内容1、电动机选型；2、带传动设计；3

6、、减速器设计；4、联轴器选型设计；5、其他。2）设计工作量1、传动系统安装图1张；2、减速器装配图1张；3、零件图2张；4、设计计算说明书一份。3、原始数据主动滚筒扭矩（N·m）：900主动滚筒速度（m/s）：0.7主动滚筒直径（mm）：320-1-设计计算及说明结果结果一、机械课程设计第一阶段1.1确定传动方案（1）、传动方案：方案：电动机直接通过带传动接在两级圆柱齿轮减速器上，该方案的优点是圆柱齿轮的设计、加工制造容易，采用卧式两级圆柱齿轮减速器。（2）、减速器内部工作方式：展开式斜齿啮合和直齿啮合。（3）、减速器的总传动比为34.47，其中带传动为2，高速级为4

7、.73低速级为3.64。（4）、部分面形式：水平剖分面形式。（5）、轴承类型：圆锥滚子轴承和深沟球轴承。（6）、联轴器类型：HL和TL系列（7）、传动方案简图如下：-28-1.2电动机的选择1、电动机的输出功率的计算已知工作机的扭矩T和卷筒转速，则工作机输入功率：上式中：工作机的扭矩T=900N·m，卷筒转速：１．V带传动效率：η1=0.96２．4对深沟球轴承传动效率：η24=0.994３．2对8级圆柱齿轮传动效率：η32=0.972４．联轴器的传动效率：η4=0.99５．滚筒传动效率：η5=0.96。把上述值代入后得：=4.80kW2、电动机的输入