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
二、前言由题目知该传动装置载荷平稳，为单班制连续运转，所以选择结构相对比较简单的展开式两级圆柱齿轮减速器，且输入轴和输出
