精品文档---下载后可任意编辑设计题目：二级展开式圆柱齿轮减速器分 院： 专业班级: 姓 名： 学 号： 指导老师： 设计日期： 2024 年 5 月 25 日 目 录一、设计任务书······················································3二、前 言······················································3三、设计内容·······················································51、电动机的选择················································52、齿轮的设计··················································7 3、轴的设计····················································20四、键的连接选择校核··············································28五、箱体的设计····················································29六、减速器的润滑和密封············································30七、减速器附件及其说明············································30八、设计小结······················································32九、参考文献······················································32一、 设计任务书设计一个用于胶带输送机卷筒（如右图）的传动装置。 原始条件和数据： 胶带输送机两班制连续单项运转，载荷平稳，空载起动，室内有粉尘；使用期限 15 年，大修期 3 年。该机动力源为三相沟通电，在中等规模机械厂小批生产。输送带速度允许误差为±4.选择 I07 组数据：输送带工作拉力：F=2500(N)输送带速度: v=(m/s)卷筒直径： D=450(mm)mNTw.精品文档---下载后可任意编辑二．前言根据题目，此胶带输送机每日工作 16 小时，载荷平稳...
