Urbanrailbogieframe城轨转向架构架课.pptx

UrbanrailbogieframeStructuralcognitionandinspectionofhigh-speedtrainKeynotespeaker：RuofeiWang高速列车构造认知与检查主讲人：王若飞城轨转向架构架

TheroleofframeFrameisthebasisofthebogie,itbogiecomponentsandcomponentsofawhole;Bearandtransferloadandforce,includingvehicledeadweightandload,longitudinalforce,transverseforce;Itsstructure,shapeandsizeshouldmeettherequirementsofzeroandcomponentassembly(suchasbrakedevice,springdampingdevice,axleboxpositioningdevice,etc.).123构架的作用构架是转向架的基础，它把转向架的零、部件组成一个整体；承受、传递载荷及作用力，包括车辆自重及载重、纵向力、横向力；它的结构、形状和尺寸都应满足零、部件组装的要求（如制动装置、弹簧减振装置、轴箱定位装置等的安装）。

Therequestofframe2Easytoinstallthecomponentsandadditionaldevices,includingwheelsetinstallation,transmissiongearsuspension,tractionmotorinstallation,brakingsysteminstallation.1Partofthedimensionalaccuracyrequirementsarehigher,sothatsomepartshavehigherpositioningaccuracy,suchaswheelpositioning,sothatthebogietoachievehigheroperatingperformance.3Thestructureisdesignedwithhighenoughstrengthtowithstandandtransfertraction,brakingforce,bodyweightandvariousshocksandvibrationstoensurethesafetyofthetrainoperation.便于各部件及附加装置的安装，包括轮对安装、传动齿轮装置的悬挂、牵引电机的安装、制动系统的安装。部分尺寸精度要求较高，使一些部件安装具有较高的定位精度，如轮对定位，使转向架达到较高的运行性能。结构经过设计，具有足够高的强度，承受并传递牵引力、制动力、车体重量以及各种冲击、振动，保证列车运行安全。构架的要求

Eachbogiehasaframe,anHframeweldedbytwosidebeamsandamainbeam.Theframeismadeof16MnDRlow-alloystructuralsteelplateforlow-temperaturepressurevessels.Thecrossbeamsareseamlesssteeltubes,whicharemadeoflow-alloystructuralsteel.TheweldingoftheframeisinaccordancewithEN15085.每个转向架上有1个构架，由两根侧梁和一根主横梁焊接而成的“H”形构架。构架的材料采用低温压力容器用的低合金结构钢板16MnDR，横梁为无缝钢管结构，无缝钢管采用低合金钢结构钢，构架焊接符合EN15085标准。

side?frameItisau-shapedbeamwithbox-shapedclosedsection,designedasaconcavefishbellyinthemiddle,sothatthereisenoughinstallationspacefortheairspring,andweldedwithverticalshockabso