机械厂装配车间输送带传动装置设计新版D9

机械

课

程设

计说

明书

课程名称: 机械设计机械厂装配车间输送带传动装置设计: 题目名称

学生学院: 材料学院材料

专业班级: 10-3班学: 14105417

号 : 学生姓名尹圣楠

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2·····························································································

1.2、电动机选择 3·······························································································

1.3、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17·········································································2.2轴的设计及校核17·························································································

2.3滚动轴承的选择21·························································································

2.4键和联轴器的选择22······················································································

机械课程设计第三阶段

3.1、减速器箱体及附件的设计23·········································································3.2、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 25·················································································

附1：参考文献

机械课程设计任务书一、课程设计的内容机械厂装配车间输送带传动装置设计（新版）.题目D9为参考传动方案。。图2 图1）设计一带式运输机传动装

置（见

D

vF动力及传动装置图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：由输送带传送机器的零、部件；1）机器功用

℃；352）工作情况单向运输、轻度振动、环境温度不超过

输送带运动速度误差不超过5%；3）运动要求

小时；16 10年，每年350天，每天4）使用寿命一年小修；两年大修；5 ）检修周期

6 ）生产批量单件小批量生产；- 1 -

7）生产厂型中型机械厂

、设计任务 2 1）设计内容1、电动机选型；2、带传动设计；3、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、设计计算说明书一份。

3、原始数据

主动滚筒扭矩（N·m）：1000

0.6 ：）主动滚筒速度（m/s 主动滚筒直径（mm）：340-2 -

- 3 -

'n T=1000 N·m，卷筒转速：上式中：工作机的扭矩'n=33.72

?minr//(3.14?/340)D?60?1000?0.6?n'?6?1000v

= 0.96 η１．V带传动效率： 1 44

=0.99η4对深沟球轴承传动效率：２．222 = 0.97η级圆柱齿轮传动效率：对３．28 3

= 0.99 η联轴器的传动效率：４． 4

= 0.96

η滚筒传动效率：５． 5 24???????。

51423?=0.82

把上述值代入后得：

33.72?1000?P=4.31KW

??P=4.31kW

0.829550?

2、电动机的输入功率P的计算：

1.2k?，故本题中起动系数d?4.31?1.2kP??P?d

1500r/min

得，Y系列查表16-2P=5.172KW Y132S4-2-B3型电动机的具体牌号为：2.2

/额定转矩：5.5kW; 额定转矩：2.2; 最大转矩额定功率为：、计算总传动比并确定传动比3、计算总传动比1）i =1440r/min 在上面已经确定了电机满载转速为n i为传动装置的总传动比

n42.70 ?i?i?1440/33.72 'n

）、传动比的分配2 i?i?i10总取带传动比为i i?ii? =2 而023112ii（而

2312

?? kWP?4.72????kW4.91?0.99?0.97?P?P4.72?23221

?? kW4.53P?????kW4.534.72??0.99?0.97?PP?33223

、各个轴扭矩的计算4)??m65.127NT???m65.127720?NnT?9550P/?9550?4.91/

1111

??mTN?329.94??m?329.94N/136.62/T?9550Pn?9550?4.722

222

??mN?T1151.18??m/1151.18?N?n?95504.53/37.589550T?P3

333