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课程名称: 机械设计
题目名称: 机械厂装配车间输送带传动装置设计
学 院: 徐海学院
专业班级: 机自10-5班
学 号:
姓 名: 陆明皓
目 录
机械设计任务书
机械课程设计任务书 ························································································1
机械课程设计第一阶段
1.1、确定传动方案·····························································································2
1.2、电动机选择 ·······························································································3
1.3、传动件的设计 ····························································································5
机械课程设计第二阶段
2.1装配草图设计第一阶段说明·········································································17
2.2轴的设计及校核·························································································17
2.3滚动轴承的选择·························································································21
2.4键和联轴器的选择······················································································22
机械课程设计第三阶段
3.1、减速器箱体及附件的设计·········································································23
3.2、润滑方式、润滑剂及密封装置的选择·························································24
机械课程设计小结
4.1、机械课程设计小结 ·················································································25
附1:参考文献
机械课程设计任务书
一、课程设计的内容
题目D10.机械厂装配车间输送带传动装置设计
设计一带式运输机传动装置(见 图1)。图2为参考传动方案。
,则工作机输入功率:
上式中:工作机的扭矩T=1400 N·m,卷筒转速:
=40.22r/min
V带传动效率: η1 = 0.96
4对: η24 =0.994
2对8级圆柱齿轮传动效率: η32 = 0.972
联轴器的传动效率: η4 = 0.99
滚筒传动效率:η5 = 0.96
=0.82
把上述值代入后得:
=7.20KW
2、电动机的输入功率P的计算:
本题中起动系数 kd=1.1,故
KW
查表16-2得,Y系列1500r/min
电动机的具体牌号为:Y160M-4
额定功率为:11kW; 额定转矩:2.2; 最大转矩/额定转矩:2.2
3、计算总传动比并确定传动比
1)、计算总传动比
在上面已经确定了电机满载转速为=1460r/min
传动装置的总传动比 为
1460/40.22=36.30
2)、传动比的分配
取带传动比为
=2 而
而设高速级与低速级传动满足=(1.3-1.4)即:
,得
4.86
3.74
4、传动装置运动参数的计算
1)、各个参数说明:
、 、——I、II、III轴的转速()
、 、——I、II、III轴的输入功率()
、 、——I、II、III轴的输入转矩()
——电动机实际输出功率() ——电动机满载转()
2)、各个轴转速的计算:
n1=n/i0=1460/2
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