毕业设计圆锥圆柱齿轮减速器.docx

机械设计课程设计 计算说明书 带式运输机圆锥——圆柱齿轮减速器设计者： 指导教师： 年12月目 录一? 设计任务书························································································1二? 电机的选择计算·················································································2三? 运动和动力参数的计算········································································3四? 传动零件的设计计算1. 闭式直齿轮圆锥齿轮传动的设计计算·················································42. 闭式直齿轮圆柱齿轮传动的设计计算·················································8五? 轴的设计计算减速器高速轴I的设计···································································12减速器低速轴II的设计·································································173. 减速器低速轴III的设计··································································23六? 滚动轴承的选择与寿命计算1.减速器高速I轴滚动轴承的选择与寿命计算·········································282.减速器低速II轴滚动轴承的选择与寿命计算········································293. 减速器低速III轴滚动轴承的选择与寿命计算·····································31七? 键联接的选择和验算·········································································32八?联轴器的校核····················································································34九?润滑油的润滑方式选择········································································35十?减速器箱体附件选择设计····································································35十一?主要设计尺寸··················································································37十二?参考文献·······················································································40机械设计任务书设计题目 ： 带式运输机圆锥——圆柱齿轮减速器设计数据及其要求：运输带拉力F=2100N； 运输带速度：V=1.6M/S 滚筒直径D=400mm机器的年产量;500台； 机器的工作环境：清洁，最高温度35℃机器的载荷特性：平稳； 机器的工作时间：10（每年工作300天）其他设计要求：1、允许带运输速度误差±5% ； 2、小批量生产设计注意：设计由相当A0图纸2张及计算说明书1份组成。设计必须根据进度(由指导老师拟定)按期完成。设计图纸及计算说明书必须经指导老师审查签字后，方能参加设计答辩。 完成期限 年 月 日计算内容计算结果二? 电机的选择计算：选择电动机的类型按工作要求和工作条件选取Y系列三相鼠笼型异步电动机，其结构为全封闭自扇冷式结构，电压为380V.。选择电动机的容量 工作及的有效功率为: Pw ==3.36 KW带传动的效率 η1=0.96联轴器的效率 η2=0.99一对圆锥滚子轴承的效率 η3= 0.98一对球轴承的效率 η4= 0.99闭式直齿圆锥齿传动效率η5= 0.97闭式直齿圆柱齿传动效率η6= 0.98b. 总 效率η=η1η2η3 η4η5η6=0.96×0.99×0.98×0.9