机械设计课程设计-带式运输机传动装置设计圆锥—圆柱齿轮减速器.doc

机械设计课程设计计算说明书圆锥圆柱齿轮减速器-1-目录一、设计任务书·········································································2二、电机的选择计算一、择电机的转速································································2二、工作机的有效功率···························································2三、选择电动机的型号···························································3三、运动和动力参数的计算一、分配传动比·····································································3二、各轴的转速·····································································3三、各轴的功率·····································································4四、各轴的转矩·····································································4四、传动零件的设计计算1.闭式直齿轮圆锥齿轮传动的设计计算········································42.闭式直齿轮圆柱齿轮传动的设计计算········································6五、轴的设计计算1.减速器高速轴I的设计······················································92.减速器低速轴II的设计·················································113.减速器低速轴III的设计·······················································14六、滚动轴承的选择与寿命计算1.减速器高速I轴滚动轴承的选择与寿命计算·······························162.减速器低速II轴滚动轴承的选择与寿命计算······························173.减速器低速III轴滚动轴承的选择与寿命计算···························18七、键联接的选择和验算1.联轴器与高速轴轴伸的键联接··········································192.大圆锥齿轮与低速轴II的的键联接·········································193.大圆柱齿轮与低速轴III的的键联接·····························20机械设计课程设计计算说明书圆锥圆柱齿轮减速器-2-八、润滑油的选择与热平衡计算1.减速器的热平衡计算·····························································212.润滑油的选择·····································································22九、参考文献····························································23机械设计课程设计计算说明书圆锥圆柱齿轮减速器-3-计算及说明结果一、设计任务书班级学号姓名一、设计题目：带式运输机传动装置设计1.工作条件连续单向运转，工作时有轻微振动，空载起动；使用期10年，每年300个工作日，小批量生产，两班制工作，运输带速度允许误差为±5%。1-电动机；2-联轴器；3-圆锥-圆柱齿轮减速器；4-卷筒；5-运输带题目A图带式运输机传动示意图2.设计数据：传送带拉力F(KN)传送带速度V(m/s)鼓轮直径D（mm）使用年限（年）3.01.2380103.设计任务1）选择电动机，进行传动装置的运动和动力参数计算。2）进行传动装置中的传动零件设计计算。3）绘制传动装置中减速器装配图和箱体、齿轮及轴的零件工作图。4）编写设计计算说明书。机械设计课程设计计算说明书圆锥圆柱齿轮减速器-4-计算及说明结果二、电动机的选择及传动装置的运动和动力参数计算一、选择电动机的类型和结构形式按工作要求和条件，选用三相笼型异步电动机，Y系列，封闭式结构，电压380V，频率50Hz。二、选择电动机容量工作机主动轴功率：w3.01.23.6wPFVK传动装置的总效率：24a12345（式中1、2、3、4、5分别为联轴器、滚动轴承、原锥齿轮传动、圆柱齿轮传动和卷筒的传动效率。）取1=0.99（联轴器），2=0.985（滚动轴承），3=0.96（齿轮精度为8级，不包括轴承效率），4=0.97（齿轮精度为8级，不包括轴承效率），5=0.96（卷筒效率，不包括轴承）则24a0.990.9850.960.970.960.825电动机所需功率：wda3.6ww4.3636w0.825PPKKK三、确定电动机的转速卷筒轴的工作转速为：6010006010001.2rr60.3419minmin380VnD按课程设计指导书P7表1查得圆锥圆柱齿轮的传动比一般范围为：ai=1025，故电动机转速机械设计课程设计计算说明书圆锥圆柱齿轮减速器-5-计算及说明结果(1025)60.34603.41508.5mindarnin根据额定功率edPdP，且转速满足603.4minmindrrn，选电动机型号为：Y132S-4，额定功率：5.5kw，满载转速：1440/minr，额定转矩：2.2mN电动机的外形尺寸：中心高H外形尺寸L×(AC/2+AD)×HD底角安装尺寸A×B地脚螺栓孔直径K轴伸尺寸D×E装键部位尺寸F×GD100380×288×245160×1401228×608×31四、确定传动装置的总传动比和分配传动比1.总传动比总传动比144023.8660.34manin2.分配减速器的各级传动比直齿轮圆锥齿轮传动比按直齿轮圆柱齿轮传动比0.250.2523.865.965aii锥，又锥齿轮的传动比一般不大于3，故取i锥=3则23.8683i柱实际总传动比3824iii锥柱实0.14i，=0.14/23.86=0.59%，故满足要求。机械设计课程设计计算说明书圆锥圆柱齿轮减速器-6-计算及说明结果五、计算传动装置的运动和动力参数1.各轴的转速（各轴的标号均已在图2中标出）1440minmrnn14404803minnrni锥480608minnrni柱60minrnn卷筒轴2.各轴的输出、输入功率14.36360.994.32dPPKw入24.320.9854.25524.255PPKw入出34.2550.964.08484.085PPKw入出24.0850.9854.02374.024PPKw入出44.0240.973.90333.903PPKw入出23.9030.9853.84453.845PPKw入出13.8450.993.80663.807PPKw出卷筒轴入253.8070.9850.96=3.59993.6kwPP卷筒轴出卷筒轴入3.各轴输入、输出转矩955095504.363628.941440ddmPTNmn机械设计课程设计计算说明书圆锥圆柱齿轮减速器-7-计算及说明结果955095504.3228.651440955095504.25528.221440955095504.08581.27480955095504.02480.06480955095503.903621.23609PTNmnPTNmnPTNmnPTNmnPTNmnT入入出出入入出出入入出55095503.84561260955095503.807605.9560955095503.657360PNmnPTNmnPTNmn出卷筒轴入卷筒轴入卷筒轴卷筒轴出卷筒轴出卷筒轴运动和动力参数计算结果整理于下表：轴名效率P(Kw)转矩（Nm）转速nr/min传动比i效率输入输出输入输出电动机轴4.3228.9414401.00.99轴4.324.25528.6528.2214403.00.985轴4.0854.02481.2780.064808.00.96轴3.9033.845621.23612601.00.97卷筒轴3.8073.6605.9557360