Urbanrailbogieframe城軌轉向架構架課

UrbanrailbogieframeStructuralcognitionandinspectionofhigh-speedtrainKeynotespeaker：RuofeiWang高速列車構造認知與檢查主講人：王若飛城軌轉向架構架TheroleofframeFrameisthebasisofthebogie,itbogiecomponentsandcomponentsofawhole;Bearandtransferloadandforce,includingvehicledeadweightandload,longitudinalforce,transverseforce;Itsstructure,shapeandsizeshouldmeettherequirementsofzeroandcomponentassembly(suchasbrakedevice,springdampingdevice,axleboxpositioningdevice,etc.).123構架的作用構架是轉向架的基礎，它把轉向架的零、部件組成一個整體；承受、傳遞載荷及作用力，包括車輛自重及載重、縱向力、橫向力；它的結構、形狀和尺寸都應滿足零、部件組裝的要求（如制動裝置、彈簧減振裝置、軸箱定位裝置等的安裝）。Therequestofframe2Easytoinstallthecomponentsandadditionaldevices,includingwheelsetinstallation,transmissiongearsuspension,tractionmotorinstallation,brakingsysteminstallation.1Partofthedimensionalaccuracyrequirementsarehigher,sothatsomepartshavehigherpositioningaccuracy,suchaswheelpositioning,sothatthebogietoachievehigheroperatingperformance.3Thestructureisdesignedwithhighenoughstrengthtowithstandandtransfertraction,brakingforce,bodyweightandvariousshocksandvibrationstoensurethesafetyofthetrainoperation.便于各部件及附加裝置的安裝，包括輪對安裝、傳動齒輪裝置的懸掛、牽引電機的安裝、制動系統(tǒng)的安裝。部分尺寸精度要求較高，使一些部件安裝具有較高的定位精度，如輪對定位，使轉向架達到較高的運行性能。結構經(jīng)過設計，具有足夠高的強度，承受并傳遞牽引力、制動力、車體重量以及各種沖擊、振動，保證列車運行安全。構架的要求Eachbogiehasaframe,an"H"frameweldedbytwosidebeamsandamainbeam.Theframeismadeof16MnDRlow-alloystructuralsteelplateforlow-temperaturepressurevessels.Thecrossbeamsareseamlesssteeltubes,whicharemadeoflow-alloystructuralsteel.TheweldingoftheframeisinaccordancewithEN15085.每個轉向架上有1個構架，由兩根側梁和一根主橫梁焊接而成的“H”形構架。構架的材料采用低溫壓力容器用的低合金結構鋼板16MnDR，橫梁為無縫鋼管結構，無縫鋼管采用低合金鋼結構鋼，構架焊接符合EN15085標準。side

frameItisau-shapedbeamwithbox-shapedclosedsection,designedasaconcavefishbellyinthemiddle,sothatthereisenoughinstallationspacefortheairspring,andweldedwithverticalshockabsorbermountingseat,transverseshockabsorbermountingseat,anti-siderollingtorsionbarmountingseat,rotatingarmpositioningjointmountingseatandothercomponents.side

frameItisthemainbearingbeamoftheframe,andthemaincomponenttotransmitverticalforce,longitudinalforceandtransverseforce.Thesidebeamisalsousedtodeterminethewheelsetposition.為箱形封閉斷面的U型梁，設計成中間凹的魚腹形，以便空氣彈簧有足夠的安裝空間，并焊有垂向減振器安裝座、橫向減振器安裝座、抗側滾扭桿安裝座、轉臂定位關節(jié)安裝座等部件。是構架的主要承載梁，是傳遞垂向力、縱向力和橫向力的主要構件，側梁還用來確定輪對位置。側梁側梁TherequestofframeTherearealsomotormountingseat,gearboxhangingseatandotherstructuresweldedonthebeamofthebullettrainframe.Thebeamoftrailerframeisweldedwithsignalantennamountingseatandotherstructures.Thebeamsoftheframearemadeofseamlesssteeltubes.Itisusedtoensuretherigidityoftheframeinthehorizontalplane,makethetwoaxesparallelandsupportthetractionmotor,etc.1

2動車構架橫梁上還焊有電機安裝座、齒輪箱吊掛座等結構；拖車構架橫梁上焊有信號天線安裝座等結構。構架的橫梁采用無縫鋼管。用來保證構架在水平面內的剛度，使兩軸平行并承托牽引電機等。構架的要求SchematicdiagramofbullettrainframeTherequestofframe構架的要求動車構架示意圖Technicalparametersofurbanrailve