目录

1课程设计任务书..............................................................................................................................3

1.1题目.......................................................................................................................................31.2任务.......................................................................................................................................31.3时间.......................................................................................................................................31.4传动方案...............................................................................................................................31.5设计参数...............................................................................................................................31.6其他条件...............................................................................................................................42传动装置的总体设计......................................................................................................................4

2.1拟定传动方案.......................................................................................................................42.2电动机的选择.......................................................................................................................6

2.2.1电动机类型的选择....................................................................................................62.2.2电动机容量的选择....................................................................................................72.2.3选择电动机的转速....................................................................................................72.2.4电动机的技术数据....................................................................................................7电动机的外型和安装尺寸表：...................................................................................................82.3传动装置的总传动及其分配...............................................................................................8

2.3.1传动装置的总传动....................................................................................................82.3.2各级传动比分配........................................................................................................8

3计算传动装置的运动和动力参数..................................................................................................9

3.1各轴转速...............................................................................................................................93.2各轴功率...............................................................................................................................93.3各轴的转矩...........................................................................................................................94V带轮的材料和结构.....................................................................................................................10

4.1确定设计功率pc................................................................................................................104.2V带型号的选择..................................................................................................................104.3大小带轮基准直径dd1,dd2的确定...................................................................................104.4确定V带基准长度Ld和中心距a....................................................................................114.5验算小带轮包角α1............................................................................................................124.6求V带根数Z......................................................................................................................124.7求作用在带轮轴上的压力FQ............................................................................................124.8验算从动轮转速误差.........................................................................................................134.9带轮动主要参数.................................................................................................................135齿轮传动设计................................................................................................................................13

5.1传动类型及失效形式.........................................................................................................135.2选择材料及确定许用应力.................................................................................................13