电牵引采煤机截割部设计--重载圆柱直齿齿轮变位系数的选择说明书.doc -- 8 元

中国矿业大学2007届本科生毕业设计（论文）第1页目录一般设计部分1综述......................................................................................................................51.1对设计题目的分析.........................................................................................51.1.1设计思路的提出..................................................................................51.1.2设计蓝图.............................................................................................51.1.3选取采煤机的摇臂完成传动和结构的设计............................................61.1.4牵引行走部.........................................................................................71.1.5截割部、行走部电机的选用.................................................................81.1.6摇臂减速箱.........................................................................................81.2采煤机的概况................................................................................................91.2.1采煤机的类型......................................................................................91.2.2采煤机的主要组成...............................................................................91.2.3滚筒采煤机的工作原理........................................................................91.2.4采煤机的进刀方法.............................................................................101.3采煤机的发展趋势.......................................................................................102设计过程.............................................................................................................112.1整机功率的安排..........................................................................................112.2摇臂减速器传动比的安排............................................................................112.3摇臂减速箱的具体结构................................................................................112.3.1壳体..................................................................................................112.3.2一轴..................................................................................................112.3.3第一级减速惰轮组.............................................................................122.3.4二轴..................................................................................................122.3.5第二级减速惰轮................................................................................122.3.6中心齿轮组.......................................................................................122.3.7第一级行星减速器.............................................................................122.3.8第二级行星减速器.............................................................................122.3.9中心水路...........................................................................................132.3.10离合器.............................................................................................132.4各轴的转速.................................................................................................132.5各轴的功率.................................................................................................132.6截割部齿轮的设计计算................................................................................142.6.1第一级减速圆柱直齿轮的设计计算....................................................142.6.2第二级减速圆柱直齿轮的设计计算....................................................222.6.3第一级行星减速器的设计计算...........................................................312.6.4第二级行星减速器的设计计算...........................................................402.7截割部轴的设计及校核以及轴承的选用和校核.............................................49中国矿业大学2007届本科生毕业设计（论文）第2页2.7.1齿轮轴1............................................................................................492.7.2第一级惰轮轴....................................................................................532.7.3二轴齿轮...........................................................................................562.7.4第二级惰轮轴....................................................................................602.7.5第三级惰轮轴（雨第二级惰轮轴相同）.............................................642.7.6中心齿轮轴.......................................................................................642.8截割部花键连接强度校核............................................................................682.8.1电动机输出轴与齿轮啮合处的花键...................................................682.8.2二轴处与齿轮啮合的花键..................................................................682.8.3中心轮与太阳轮啮合处的花键...........................................................692.8.4第一级行星减速器机架与第二级行星减速器太阳轮啮合处的花键.......702.8.5方法兰与第二级行星减速器机架啮合处的花键...................................70专题论述重载齿轮变位系数的选择.......................................................................72变位齿轮的产生...............................................................................................72变位齿轮的优点...............................................................................................73变为系数的选择...............................................................................................73参考文献.............................................................................................................74致谢........................................................................................................................75摘要摘要本文完成了MG400／930一WD电牵引采煤机的整机外形的布局设计，介绍了采煤机的类型和工作原理，以及目前国内采煤机的现状和发展趋势，从左摇臂、左牵引部、左行走部、左电器控制箱、右电器控制箱、右行走箱、右牵引部、右摇臂的具体布局到各次的特点都有所涉及重点完成了采煤机摇臂的设计计算，包括摇臂壳体以及壳体内一轴、第一级惰轮组、二轴、第二级惰轮组、第三级惰轮组、中心轮组、第一级行星减速器、第二级行星减速器几乎所有零部件的装配关系，各轴的转速计算，功率的传递计算，第一级圆柱直齿齿轮减速器的设计计算，第二级圆柱直齿齿轮减速器的设计计算，第一级行星减速器的设计计算，第二级行星减速器的设计计算，各轴的设计以及校核，所有轴承支撑处轴承的选择校核、花键连接处花键的选用以及校核。关键词采煤机电牵引摇臂行星轮减速器中国矿业大学2007届本科生毕业设计（论文）第3页ABSTRACTAbstractThispapercompletedaMG400/930WDElectricTractionShearerofequipmentconfigurationforthelayout.Shearerintroducedthetypeandprinciple,andthecurrentdomesticShearerscurrentsituationanddevelopmenttrend.FromTheleftarm、lefttractionDepartment、theDepartmentofleftrunning,、theelectricalcontrolboxontheleftandrightelectricalcontrolbox,、dextralbox、andtherightoftraction、rightarmtothespecificlayoutofthefeatureshavebeencovered，shearerwillfocusoncompletingthedesignoftheRockerwhichincludingShellandShellwithinoneaxis,、thefirstroundgroupinert、twoaxis,、thesecondroundgroupinert、thethirdroundgroupinert,、thecenterroundgroup、firstclassplanetaryreducer,、andthesecondstageplanetaryreduceralmostallpartsoftheassembly.Theshaftspeedandpowertransmissionarecalculatedimportont.FirstclassSpurGearreducerdesigncalculation,thesecondstraightcylindricalgearreducerdesign,firstclassplanetaryreducerdesigncalculation,thesecondstageplanetaryreducerdesign,中国矿业大学2007届本科生毕业设计（论文）第4页thedesignoftheshaftandVerification,BearingallthesupportbearingschoiceDepartmentVerification,KeyspentconnectingDepartmentspentKeySelectionandVerification.KeywordsseamshearerelectricalhaulageRockerPlanetarygearreducer