第PAGE\*MERGEFORMAT39页共NUMPAGES\*MERGEFORMAT39页机械设计课程同轴式二级圆柱斜齿轮减速器设计姓名：班级：指导教师：成绩：目录1.设计目的·············································（3）2.设计方案·············································（3）3.传动装置的总体设计····································（4）3.1电机选择·········································（4）3.2传动装置的总传动比及分配·························（5）3.3传动装置各轴的运动机动力参数······················（6）齿轮的设计············································（7）5.轴及轴上零件的设计···································（10）5.1高速轴及轴上零件的设计、校核·····················（10）5.2中速轴及轴上零件的设计、校核·····················（17）5.3低速轴及轴上零件的设计、校核·····················（24）箱体结构的设计·······································（29）润滑设计·············································（30）密封类型的设计·······································（31）其他附件的设计·······································（31）参考文献············································（32）实验心得············································（33）全套设计请加197216396或401339828全套设计请加197216396或401339828设计目的：同轴式二级圆柱斜齿轮减速器设计工作情况：载荷平稳、单向旋转原始数据项目题目6鼓轮的扭矩T（N·m）850鼓轮的直径D（mm）350运输带速度V（m/s）0.65带速允许偏差（％）5使用年限（年）5工作制度（班/日）3设计方案：1—电动机；2—联轴器；3—齿轮减速器；4—带式运输机；5—鼓轮；6—联轴器三、传动装置的总体设计3.1电动机的选择设计内容计算及说明结果1、选择电动机的类型按工作要求和工作条件选用Y系列三相鼠笼型异步电动机，其机构为全封闭自扇冷式结构，电压为380V2、选择电动机的容量工作机的有效功率为：其中从电机到工作机输送带间的总效率为：查课程设计指导书表12-7效率的选择：弹性套柱销联轴器：η1=0.998级精度圆柱齿轮传动：η2=0.97滚动轴承：η3=0.99传动滚筒效率：η4=0.96传动装置总效率为所以电动机所需的工作功率为：=0.853、确定电动机的转速按表9.1推荐的传动比合理范围，二级圆柱齿轮减速器传动比=8~40,而工作机卷轴筒的转速为：所以电动机的可选范围为：综合考虑电动机和传动装置的尺寸、质量和价格等因素，为使传动装置结构紧凑，决定使用同步转速为1000r/min的电动机根据电动机的类型、容量和转速，由电机产品目录或有关手册选定电动机的型号为Y132M1-6，其主要性能如下表所示:电动机型号额定功率/kw满载转速/(r/min)Y132M1-649602.22.23.2计算传动装置的总传动比并分配传动比设计内容计算及说明结果1、总传动比2、分配传动比由于减速箱是同轴式布置，所以＝。=5.203.3计算传动装置各轴的运动和动力参数设计内容计算及说明结果1、各轴的转速Ⅰ轴Ⅱ轴Ⅲ轴r/min卷筒轴2、各轴的输出功率Ⅰ轴kwⅡ轴kwⅢ轴卷筒轴kwkwkwkw3、各轴的输出转矩故Ⅰ轴Ⅱ轴Ⅲ轴卷筒轴各轴转速、输入功率、输入转矩项目电动机轴高速轴I中间轴II低速轴III鼓轮轴转速（r/min）960960184.6235.5035.50功率（kW）43.683