卷扬机传动装置设计毕业设计.doc

学号:XX大学毕业设计设计题目:卷扬机的传动装置设计学院:工程技术学院专业:机电对口班姓名:指导教师:日期:20XX年X月毕业设计任务书班级:机电对口班 学生:学号::设计题目:卷扬机的传动装置设计摘要:用于建筑工地提升物料,连续运转。工作期限为十年,每年工作300天,三班制工作,每班工作4小时,检修期间隔为三年。小批量生产,无铸钢设备。动力源为三相交流380/220V,电动机单向运转,载荷较平稳原始数据牵引力F/KN12牵引速度v/(m/s):1设计任务1)确定传动方案;2)选择电动机型号;3)设计传动装置;2成果要求减速器装配图1张,零件图2张,········································6二传动装置的总体设计······································································································9三齿轮的设计···································································13四V带的设计·····················································································15························································································16五轴的设计··············································································································19六箱体的设计···································20八减速器的润滑·································22九参考文献······································23十致谢···········································24一前言卷扬机(又叫绞车)是由人力或机械动力驱动卷筒、卷绕绳索来完成牵引工作的装置。可以垂直提升、水平或倾斜拽引重物。卷扬机分为手动卷扬机和电动卷扬机两种。现在以电动卷扬机为主。电动卷扬机由电动机、联轴节、制动器、齿轮箱和卷筒组成,共同安装在机架上。对于起升高度和装卸量大工作频繁的情况,调速性能好,能令空钩快速下降。对安装就位或敏感的物料,能用较小速度。常见的卷扬机吨位有:。特殊型号的卷扬机有:变频卷扬机、双筒卷扬机、手刹杠杆式双制动卷扬机、带限位器卷扬机、电控防爆卷扬机、电控手刹离合卷扬机、大型双筒双制动卷扬机、大型外齿轮卷扬机、大型液压式卷扬机、大型外齿轮带排绳器卷扬机、双曳引轮卷扬机、大型液压双筒双制动卷扬机、变频带限位器绳槽卷扬机。)传动方案一般用机构简图表示。它反映运动和动力传递路线和各部件的组成和连接关系。合理的窗洞方案首先要满足机器的功能要求,例如传递功率的大小,转速和运动形式。此外还要适应工作条件(工作环境、场地、工作制度等),满足工作可靠。结构简单、尺寸紧凑、传动效率高、使用维护便利、经济性合理等要求、要同时满足这些要求是很困难的,因此要通过分析比较多种方案,来选择能保证重点要求的传动方案。(参考机械设计课程设计手册)2)确定传动方案:传动方案的选择主要考虑:1)在电动机与减速器是用联轴器连接还是用带连接;2)减速器是选择一级还是二级。电动机与减速器是用联轴器连接还是用带连接主要取决是传动装置的总的传动比,若总的传动比大于等于40,则选择带连接,小于40,则选择联轴器。减速