Urbanraildrive城轨驱动装置课件.pptx

UrbanraildriveStructuralcognitionandinspectionofhigh-speedtrainKeynotespeaker：RuofeiWang高速列车构造认知与检查主讲人：王若飞城轨驱动装置

Urbanraildrive12Therearetwosetsofdrivingdevicesoneachbogie.Thedrivingdeviceiscomposedofmotor,coupling,gearboxandgearboxboom每个动车转向架上斜对称地布置有2套驱动装置。驱动装置由电机、联轴节、齿轮箱和齿轮箱吊杆等部件组成城轨驱动装置

AsshowninFigure4-12,thetorqueoutputbythemotoristransmittedtothepinionshaftofthegearboxthroughthecoupling.Thetorqueisthentransferredtotheaxlethroughtheengagementofthepinionandthebiggear,whichinturndriveswheelsetsetrotationandvehiclemovement.Thetorqueofthetractionmotorisconvertedintothetorqueonthewheelset,andtheadhesionbetweenthewheelsetandrailisusedtodrivethevehicletorunalongtherail.Atthesametime,tractionmotorplaystheroleofgeneratingtractionforceandelectricbrakingforceintrainoperation.Drivingdevicediagramgear?casecouplingtraction?motorUrbanraildrive城轨驱动装置如图4-12所示电机输出的扭矩通过联轴节传递到齿轮箱的小齿轮轴上，然后通过小齿轮与大齿轮的啮合将力矩传递到车轴上，进而驱动轮对旋转和车辆运行，使牵引电机的扭矩转化为轮对上的转矩，利用轮轨之间的粘着作用，驱动车辆沿着钢轨运行，同时牵引电机在列车运行中起着产生牵引力和电制动力的作用。驱动装置示意图

Thegearboxismadeoflightaluminumalloywhichiswear-resistantandoil-free.Thisalloyhashightorsionalstiffnessandgoodvibrationperformance,andcanensurethesmoothoperationofgear.Theamountofoilinthegearboxcanbecheckedquicklyandreliablythroughaviewinghole.Thegeardeviceismountedonthewheelsetshaftandsupportedontheframeofthebogie.SchematicdiagramofgearcaseanditssuspensionsupportUrbanraildrive城轨驱动装置齿轮箱由耐磨、不漏油的轻型铝合金制成。这种合金具有较高的扭转刚度和良好的振动性能，并能保证齿轮的平稳工作。箱体内的油槽可向滚柱轴承提供最佳的供油。通过一个观察孔可快速而可靠地检查齿轮箱中的油量。齿轮装置安装在轮轴上，并支承在转向架的构架上。齿轮箱及其悬挂支座示意图

010203Geartransmissiondeviceandelasticcouplingareonlyinstalledonthemotortrainbogie,eachmotortrainbogieisequippedwithtwosetsofgeartransmissiondeviceandtwosetsofelasticcoupling,oneforeachaxle.Thelargegearandaxlearefittedwithin