机械设计课程设计-一级圆锥齿轮减速器的设计

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1、目录第一章一级圆锥齿轮减速器的设计任务·····································31-1设计题目··················································31-2设计任务··················································31-3具体作业··················································3第二章电动机的选择························

2、······················42-1选择电动机类型和结构形式·····································42-2选择电动机的容量·············································42-3确定电动机的转速，总传动比与各级传动比······················52-4计算传动装置的运动和运动参数·······························5第三章圆锥齿轮传动的设计计算·······················

3、············73-1圆锥齿轮传动的设计计算······································7第四章轴的设计计算··············································104-1轴一的设计················································104-2轴二的设计·················································14第五章滚动轴承的校核··············

4、·······························195-1滚动轴承的校核·············································19第六章19键的校核··················································206-1轴一键的校核··············································206-2轴二键的校核··············································2

5、0第七章润滑方式及密封方式的选择··································217-1润滑方式·················································217-2密封方式及密封形式的选择···································21第八章减速器箱体设计·············································238-1箱体设计······································

6、·············23心得体会··························································24参考文献··························································2519第一章一级圆锥齿轮减速器的设计1-1.设计题目用于带式运输机的一级圆锥齿轮减速器。传动装置简图如右图所示。（1）带式运输机数据见数据表格。（2）工作条件两班制工作，空载启动，单向连续运转，载荷平稳。运输带速度允许速度误差为±5%。（3）使

7、用期限工作期限为十年，每年工作300天；检修期间隔为三年。（4）生产批量小批量生产。2.设计任务1)选择电动机型号；2)确定链传动的主要参数及尺寸；3)设计减速器；4)选择联轴器。3.具体作业1)减速器装配图一张；2)零件工作图二张（大齿轮，输出轴）；3)设计说明书一份。运输带工作拉力F/N1500180020002200240026002800280027002500运输带工作速度v/(m/s)1.51.51.61.61.71.71.81.81.51.4运输带滚筒直径D/mm25026027028030032032030

8、0300300第二章电动机的选择192-1选择电动机类型和结构型式由电动机工作电源，工作条件荷载和特点选择三相异步电动机。2-2选择电动机容量标准电动机的容量由额定功率表示。所选电动机额定功率应等于或稍大于工作要求的功率。容量小于工作要求，则不能保证工作机正常工作，或使电动机长期过载，发热大而过早损坏；