带式输送机传动装置的设计与计算-机械设计课程设计

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1、东莞理工学院机械设计课程设计机械设计课程设计计算说明书题目：带式输送机传动装置的设计与计算学生姓名：李学号：200941101系别：机电工程系专业班级：机械设计制造及其自动化1班指导教师：钟守炎教授起止时间：2012年5月28日—6月17日东莞理工学院学而知不足36东莞理工学院机械设计课程设计目录1设计题目························································32设计原始数据····················································33传动系统的总体设计··

2、············································33.1传动方案的确定··············································33.2电动机的选择················································43.3传动比的计算与分配··········································43.4传动装置运动和动力参数的计算································54传动零件的设计计算········

3、······································64.1高速级斜齿轮传动············································64.2低速级斜齿轮传动学而知不足36东莞理工学院机械设计课程设计···········································101.1链传动·····················································152轴的设计计算···········································

4、········172.1轴的结构设计···············································172.2轴的强度校核···············································213滚动轴承的寿命计算·············································274键的选择及强度校核·············································315箱体的设计·····································

5、················336减速器附件的设计···············································357润滑与密封·····················································358学而知不足36东莞理工学院机械设计课程设计设计小结·······················································351参考文献·······················································36计

6、算及说明主要结果1设计题目题目：带式输送机传动装置的设计与计算工作环境：狭小、多灰、潮湿，空气流通条件差。载荷有轻微冲击，连续单向运转，工作寿命5年，每年300个工作日，每日工作8小时。允许运输带速度误差小于。可使用三相交流电。设计工作量:1.减速器装配图1张；2.零件工作图2张；3.设计说明书1份。2设计原始数据运输带工作拉力F5250N运输带工作速度v0.55m/s卷简直径300mm使用年限5年3传动系统的总体设计3.1传动方案的确定电动机通过联轴器输入到二级圆柱斜齿轮减速器，高速级和低速级均采用圆柱斜齿轮，然后低速级通过链传动输入到卷筒上，如图1所示。选

7、用Y系列封闭式三相异步电动机学而知不足36东莞理工学院机械设计课程设计1—卷筒2—链传动3—箱体4—联轴器5—电动机6、7—斜齿轮传动辅助件有：观察孔盖，油标和油尺，放油螺塞，通气孔，吊环螺钉，吊耳和吊钩，定位销，启盖螺钉，轴承套，密封圈等。3.2电动机的选择3.2.1电动机类型和结构形式的选择按工作条件和工作条件，选用一般用途的Y系列三相交流异步电动机，为卧式闭环结构，电源电压为380V。3.2.2电动机输出功率Pd为了计算电动机所需功率Pd，先要确定从电动机到工作机之间的总功率。设、、、、分别为凸缘联轴器、成对滚动轴承、闭式齿轮传动（设齿轮精度为8级）、开

8、式滚子链传动、滚筒的效率，由表查得：=