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1、机械设计课程上机与设计实验报告一设计题目：设计带式输送机的V带传动装置。已知：原动机为Y型异步电动机，电动机额定功率P=7.5KW，转速n1=1450r/min，n2=630r/min，工作中有轻度冲击，单班制工作，要求中心距a为600~800mm二设计代码：Constpi=3.1415926Dimjieguo()AsSingle,xinghao()AsStringDimiAsInteger:DimjAsInteger:DimmAsInteger:DimiiAsIntegerDimxAsSingle,yAsSingle,bAsSingleDimc1AsSingle,c2AsSingleDim
2、pAsSingle'额定功率Dimn1AsSingle'小轮转速Dimn2AsSingle'大轮转速DimuAsSingle'传动比DimaAsSingle'给定中心距Dima0AsSingle'中心距系数DimlhAsSingle'每天工作小时数DimgAsString'载荷系数DimkAsSingle'工作情况系数DimpcAsSingle'计算功率DimvAsSingle'带速Dimd2AsSingle'大带轮直径DimalAsSingle'实际中心距DimlcAsSingle'初定带长DimljAsSingle'计算带长DimlAsSingle'基准长度DimaminAsSingle
3、'最小中心距DimamaxAsSingle'最大中心距DimklAsSingle'长度系数DimkaAsSingle'包角系数DimkiAsSingle'传动比系数Dimp0AsSingle'单根带的额定功率Dimp1AsSingle'功率增量DimzAsSingle'V带根数Dimf0AsSingle'初拉力DimqAsSingle'压轴力Dimcc(5)AsSingle'普通V带选型图五条边界Dimaa(6,17)AsSingle'V带传动设计参数二维数Dimbb(6)AsString'V带型号Dimll(34)AsSingle'基准长度PrivateSubCommand1_Click(
4、)p=Val(Text1.Text)'功率n1=Val(Text2.Text)'小轮转速n2=Val(Text3.Text)'大轮转速u=Val(Text4.Text)'传动比a=Val(Text5.Text)'给定中心距a0=Val(Text6.Text)'中心距系数g=Combo1.Text'载荷系数lh=Val(Text7.Text)'每天工作小时数'V带传动设计参数二维数表aa(0,1)=0.00039:aa(0,2)=0.06:aa(0,3)=0.246:aa(0,4)=7.44:aa(0,5)=0.0000441:aa(0,6)=0.72:aa(0,7)=0.00043:aa(0
5、,8)=0.000000098:aa(0,9)=435:aa(0,10)=50:aa(0,11)=63:aa(0,12)=71:aa(0,13)=80:aa(0,14)=90:aa(0,15)=1:aa(0,16)=13aa(1,1)=0.00103:aa(1,2)=0.1:aa(1,3)=0.449:aa(1,4)=19.62:aa(1,5)=0.0000765:aa(1,6)=0.68:aa(1,7)=0.000225:aa(1,8)=0.0000000225:aa(1,9)=100:aa(1,10)=75:aa(1,11)=90:aa(1,12)=100:aa(1,13)=112:aa
6、(1,14)=125:aa(1,15)=5:aa(1,16)=18aa(2,1)=0.00265:aa(2,2)=0.17:aa(2,3)=0.794:aa(2,4)=50.6:aa(2,5)=0.000131:aa(2,6)=0.68:aa(2,7)=0.000174:aa(2,8)=0.0000000194:aa(2,9)=27:aa(2,10)=125:aa(2,11)=140:aa(2,12)=150:aa(2,13)=170:aa(2,14)=180:aa(2,15)=8:aa(2,16)=24aa(3,1)=0.0075:aa(3,2)=0.3:aa(3,3)=1.48:aa(3
7、,4)=143.2:aa(3,5)=0.000243:aa(3,6)=0.7:aa(3,7)=0.00964:aa(3,8)=0.000000448:aa(3,9)=7.2:aa(3,10)=200:aa(3,11)=224:aa(3,12)=236:aa(3,13)=265:aa(3,14)=280:aa(3,15)=14:aa(3,16)=29aa(4,1)=0.0266:aa(4,2)=0.62:aa(
