设计计算说明书
学院: 机 械 系
专业:
学号:
姓名:
目 录
一、 设计任务书····································3 二、 前言··········································4 三、 电动机的选择与传动计算························4 四、 传动零件的设计计算····························7 五、 轴的设计计算和校核···························13 六、 轴承的选择和校核 ····························24 七、 键联接的选择和校核···························26 八、 联轴器的选择和校核···························28 九、 箱体的设计···································28 十、 润滑和密封的选择·····························30 十一、 传动装置的附件和说明······················31 十二、 设计小结··································33 十三、 参考资料··································34
一、设计任务书
设计一用于卷扬机卷筒的传动装置。 原始条件和数据:
卷扬机提升的最大重量为Q=10000N,提升的线速度为v=0.5m/s,卷筒的直径D=250mm,钢丝绳直径D=11mm,卷筒长度L=400mm。卷扬机单班制室内工作,经常正反转、起动和制动,使用期限10年,大修期3年。该机动力来源为三相交流电,在中等规模机械厂小批生产,提升速度容许误差为?5%。