长客文档号：CCD00000118740版本号：C版TractionBU–MountingandMaintenanceInstructionsEARTHRETURNCURRENTUNITVERSION2FORCRH350TRAINSINCHINABU牵引–中国CRH350列车接地回流装置方案2安装和维护说明OBJECT科目•Assembling,MountingandMaintenanceofreinforcedERCUforCRH350trainsinChina中国CRH350列车接地回流装置的组装、安装和维护。SCOPE范围•Tractionproducts.牵引产品DrawingsandReferencesnumbers图纸和参考号:Drawing图纸:D1028109Ref:L1031997ADrawing图纸:D1028110Ref:K1031996A长客图号：CCD00000087827长客物料号：458580（不带适配器）长客图号：CCD00000087826长客物料号：458581（带适配器）CREATION/MODIFICATIONS创建和变更B09/09/2013J.VIALLER.AITCHAIBR.MAGNINSF13416A25/04/2013J.VIALLER.AITCHAIBR.MAGNINCreation创建Rev版本Date日期Writtenby编制Checkedby审核Approvedby批准Subject科目Technicalspecification技术规范SP1845Apage页码:1/23SBP06-AQ-019AThesedocumentandspecificationthereonarepropertyofMERSEN这些文件和说明书是MERSEN的财产。_________________________________________SUMMARY目录______________________________________1.DESCRIPTION名称说明32.TECHNICALDATA技术参数33.DRAWINGS&BILLOFMATERIAL图纸和材料表44APPLICATION应用95.ERCUASSEMBLING接地回流装置组成105.1)MountingoftheBrushesintotheBrushholder把碳刷装入刷架中105.2)MountingofthePressuresystems恒力弹簧安装115.3)MountingoftheBrushholderassemblyonthecover碳刷架组装125.4)MountingoftheCableglandonthecover电缆衬垫装到盖上135.5)MountingoftheCable电缆安装136.ERCUMOUNTINGONAXLEBOX接地回充装置安装在轴箱上146.1)DeliveryfromMERSEN从MERSEN发货146.2)Mountingoftheslipdiscontheaxle摩擦盘的安装156.3)MountingoftheERCUassemblyontheaxlebox接地回流装置组成在轴箱上安装166.3.1)MounttheFlatseal复合密封垫安装Ref:519202。166.3.2)Tightthecoverfollowingthe4stepsasbelow按照下面4步拧紧盖子176.3.3)AssembletheconnectingCable组装连接电缆187.MAINTENANCE/SERVICE维修/维护197.1)PERIODICITIES定期性的197.2)DISASSEMBLINGFROMAXLEBOX从轴箱上进行分解197.3)CHECKINGANDCLEANING检查和清洁197.3.1-GENERALITIES一般原则207.3.2-CARBONBRUSHES碳刷217.3.3-SLIPDISC摩擦盘217.3.4-SELFRECOILINGSPRINGS恒力弹簧217.3.5-CONNECTINGCABLE一连接电缆线227.3.6-BOLTINGANDFLATRING螺钉紧固和平垫圈22227.3.7-.SHORT-CIRCUITCHARGE短路放电227.4)MOUNTINGTHEERCUTHEAXLEBOX安装接地回流装置到轴箱227.5)SPAREPARTS备品备件227.6)ULATRASOUNDINSPECTION异常声音检查22Technicalspecification技术规范SP1845Apage页码:2/23SBP06-AQ-019A1.DESCRIPTION说明TheERCU(EarthReturnCurrentUnit)consistsofaBrushhousingprovidingtheguidewayof3independentBrushesofrectangularcrosssection20mmx40mm,andclosedbyareinforcedcover,madeofaninsulatingmaterial.ERCU（接地回流装置）是由一个能对3个独立的20mmx40mm方形截面碳刷提供导向的刷架和封闭的压紧盖组成的，用绝缘材料制成。3self-recoilingspringsapplyaconstantpressureoneachofthe3Brushes.3个自回转弹簧对3个碳刷的施加恒定的压力。PressuresystemsareindependentandarefixedontheBrushhousing.Theycanbeeasilyremoved.压力系统由刷架确定并固定在刷架上，它们易于拆除。Brushesaremadeofamixofcopperandcarbonpowderscompressedunderhighpressure,gradeMC79P.EachBrushhas4copperbraidedCables,andofadumperdevicemadeofanabsorbingmaterialplacedbetweentheBrushandarigidplatereceivingthespring.碳刷是由铜和碳粉沫混合在高压下压成的，粘度为MC79P。每个碳刷有4个铜编织线，和一个减震材料做的减震装置，位于碳刷和板簧之间。ForeachERCUaconnectingCableisprovidedfortheelectricalconnectioneithertothebogieframe,eithertothepowerequipment,dependingoftheERCUfunction.每个接地回...
