机械课程设计-带式运输机传动装置

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1、2012级机械设计课程设计说明书设计题目：带式运输机传动装置系别：机电学院专业：13级机械设计制造及其自动化学生姓名：学号：指导教师：宿州学院2015年12月12日29目录一、课程设计任务书·············································21、运动简图··················································2二、传动装置总体设计方案·······································31、组成·········································

2、·············32、确定传动方案··············································3三、电动机的选择···············································41、电动机类型和结构的选择····································42、确定电动机的转速··········································43、参数计算结果整理表········································5四、确定传动装置的总传动比和分

3、配传动比·························51、确定传动装置的总传动比和分配传动比························52、计算传动装置的运动和动力参数·······································6五、带轮设计···················································61、确定计算功率····················································62、选取V带型号29····································

4、···················63、确定带轮基准直径D1并验算带速V···························74、确定带长和中心距和基准长度Ld·······································75、验算小带轮包角···················································86、确定V带根数Z·····················································87、计算单根带的初拉力·····································

5、·············88、求作用在带轮轴上的压力··············································89、带轮主要参数························································9六、传动零件齿轮的设计计算······································91、选定齿轮类型、精度等级、材料及齿数··································91.确定各参数···········································

6、·······92、按齿面接触疲劳强度设计··············································92.调整小齿轮分度圆直径········································103.按齿跟弯曲疲劳强度设计······································114.几何尺寸计算················································135.齿轮的基本参数29··············································14 七、

7、传动轴的设计···············································141、选择轴的材料···············································142、输出轴（II轴）上的功率P2，转速n2，转矩T2·················143、初步确定轴的最小直径·······································154、轴的结构设计············