trainbodystructure车体结构课件

trainbodystructure车体结构Structuralcognitionandinspectionofhigh-speedtrainKeynotespeaker：RuofeiWang高速列车构造认知与检查主讲人：王若飞一trainbodyfunctionandclassification二ComponentsandfunctionsoftrainbodystructureCONTENTS车体作用及分类车体结构的组成部件及作用目录PAPTONEtrainbodyfunctionandclassification>>>车体作用及分类trainbodyfunctionandclassificationThetrainbodyshouldbearvariousdynamicandstaticloadsandvariousvibrations.Thestructureshouldbeadaptedtothespeedofabout100km/h,andthesoundinsulation,vibrationreduction,heatinsulationandfirepreventionshouldbeusedtoensurethesafetyofpassengersasfaraspossibleundertheconditionofaccidents.Thetrainbodyisoneofthemostimportantpartsofurbanrailtransitvehicles.Thelowerpartofthechassisissupportedonthebogie.Itisalsothebasisforinstallingandconnectingotherequipmentandcomponents.车体要承受各种动、静荷载、各种振动，结构上要适应100km/h左右速度运行，还要隔音、减振、隔热、防火，在事故状态下尽可能保证旅客安全。车体是容纳乘客乘坐和司机驾驶的部件，其底架下部支撑在转向架上，也是安装和连接其他设备及组件的基础，是城市轨道交通车辆最重要的部件之一。车体作用及分类Thebasicformofurbanrapidrailtransitvehiclebodycanbedividedintoweatheringsteelbody,stainlesssteelbodyandaluminumalloybodyaccordingtodifferentmaterials.Atpresent,themainmaterialsoftrainbodyarestainlesssteelandaluminumalloy.Accordingtothestructureofthetrainwithorwithoutthedriver'scab,itcanbedividedintothetrainbodywithorwithoutthedriver'scab.Accordingtothebodysize,itcanbedividedintotypeAtrainbody,typeBtrainbodyandtypeCtrainbody.Forexample,ZhengzhousubwayLine1and2usetypeBtrain,andZhengzhousubwayLine5usesTypeAtrain.Accordingtothetrainbodystructureprocess,itcanbedividedintointegratedstructureandmodularstructure.Forexample,GuangzhouMetroLine1adoptsintegratedstructure,whileLine2adoptsmodularstructure.123trainbodyfunctionandclassification车体作用及分类城市快速轨道交通车辆车体的基本形式，按材料不同可分为耐候钢车体、不锈钢车体和铝合金车体三种。现阶段车体材料主要是不锈钢和铝合金。按车体结构有无司机室可分为司机室车体和无司机室车体。按车体尺寸可分为A型车车体、B型车车体、C型车车体，如郑州地铁一、二号线采用了B型车，郑州地铁五号线采用了A型车。按车体结构工艺可分为一体化结构和模块化结构，如广州地铁一号线采用一体化结构，而二号线采用的则是模块化结构。Generallyfortheelectricmultipleunit,thereisthefirsttrain(withthedriver'scabofthevehicle)andthemiddletrain,aswellasthehigh-speedtrainandtrailer.Serviceinthecity'spublictransport,inthetrainplanelayoutonfewerseats,moredoorsandopenness,internalserviceforpassengersoftheequipmentisrelativelysimple.Theweightrestrictionisrelativelystrict,especiallyfortheelevatedlightrailline,whichrequireslightweightandlowaxleload,soastoreducetheengineeringinvestmentoftheline.Inordertomakethetrainbodylightweight,largehollowsectionextrudedaluminum,highstrengthcompositematerialsorstainlesssteelmaterialsaregenerallyusedforthebearingstructureofthetrainbodytoformtheoverallbearingcylindricalstructure,andotherauxiliaryfacilitiesofthetrainbodyshouldadoptlightweightmaterialsasfaraspossible.1234trainbodyfunctionandclassification车体作用及分类一般为电动车组，有头车（带有司机室的车辆）和中间车，以及动车与拖车之分。服务于城市内的公共交通，在车内平面布置上座位少、车门多而且开度大，内部服务于乘客的设备较简单。重量限制较为严格，特别是高架轻轨线路，要求列车质量轻、轴重小，以降低线路的工程投资。为使车体轻量化，对于车体承载结构一般采用大型中空截面挤压铝型材、高强度复合材料或不锈钢材料，构成整体承载筒形结构，车体的其他辅助设施尽量采用轻型化材料。Thefirepreventionrequirementofthetrainbodyisstrict,especiallyforthesubwayvehiclerunningintheundergroundtunnel,oncethefirehappens,theconsequencesareunimaginable.Thestructureandmaterialofthetrainbodyadoptfirepreventiondesignandflameretardanttreatment.Therearestrictrequirementsforsoundinsulationandnoisereductionofvehiclestominimizetheimpactofnoiseonpassengersandresidentsalongtheline,sothetrainbodyshouldhavegoodsealingandvibrationabsorptioncapacity.Theappearanceandcolorofvehiclesshouldbebeautifiedandcoordinatedwiththeurbanlandscape.567trainbodyfunctionandclassification车体作用及分类车体的防火要求严格，特别是运行于地下隧道的地铁车辆，一旦发生火灾后果不堪设想。对车体的结构及选材上均采用防火设计和阻燃处理。对车辆的隔音和减噪有严格要求，以最大限度地降低噪声对乘客和沿线居民的影响，因此车体应具备良好的密封和吸振能力。对车辆的外观造型和色彩都有美化及与城市景观相协调的要求。01Bearingstructureofbottomframe:Allloadbythebottomframetobearthebodystructure,alsoknownasfreebearingstructure.Commonbearingstructureofsidewallandbottomframe:Byside,endwallandbottomframejointlybeartheloadofthetrainbodystructure,alsoknownassidewallbearingstructure.Itsside,endwallandbottomframeformawholebyfixing,withhighstrength,stiffness.02trainbodyfunctionandclassification车体作用及分类底架承载结构：全部载荷由底架来承担的车体结构，也称自由承载结构。侧墙和底架共同承载结构：由侧、端墙与底架共同承担载荷的车体结构，也称侧墙承载结构。其侧、端墙与底架等通过固接形成一个整体，具有较高的强度、刚度。03Overallbearingstructure:Intheplatebeamtypeside,endwallisfixedlyconnectedbymetalplate,beamassemblyandweldedroof,sothatthebottomframe,sidewall,endwall,roofconnectedintoawhole,becomeanopenorclosedboxstructure,atthistime,allpartsofthestructureofthetrainbodyareinvolvedinbearingload,sothisstructureiscalledtheoverallbearingstructure.trainbodyfunctionandclassification车体作用及分类整体承载结构：在板梁式侧、端墙上固接由金属板、梁组焊而成的车顶，使车体的底架、侧墙、端墙、车顶连接成一个整体，成为开口或闭口箱形结构，此时车体各部分结构均参与承受载荷，因而称这种结构为整体承载结构。PAPTTWOComponentsandfunctionsoftrainbodystructure>>>车体结构的组成部件及作用chassisTheunderframeisthebasicstructureofthetrainbody.Thestructuralmoduleoftheunderframeincludesfloor,sidebeam(leftandright),pillowbeam(2)andtractionbeam(2)components.Sidebeam,pillowbeamandtractionbeamareweldedtogethercontinuously.底架Thefloor,heatinsulationandsoundinsulationmaterials,pipelineandwiretroughunderthechassisarepre-integratedwiththechassis.底架是车体的基础结构，底架结构模块包括地板、边梁(左和右)、枕梁(2根)、牵引梁(2个)组件。边梁、枕梁、牵引梁采用连续焊接组合在一起，将地板、隔热隔声材料、底架下管路和电线槽预先与底架组成一体，Thenitisconnectedwiththesidewallandendmodule,andthesidebeamofthebottomframeismechanicallyconnectedwiththesidewallmoduleonthewholelength,andlocallystrengthenedatthepositionofthebottomframe.然后与侧墙和端部模块连接，底架边梁在整个长度上与侧墙模块进行机械连接，在底架的架车位置进行局部加强。chassisThemainbeamonthebottomframeisusedtoconnectthewalkingpartandtransferitsload,andthetractionbeamisusedtoinstallthehookbufferofthevehicle,whichisusedtotransferthetractionforceandbrakingforcebetweenvehicles.底架Themainfunctionofthetrainbodyunderframeistobeartheupperloadofthetrainbodyaswellasthelateralforcecausedbyvariousreasonsandallkindsofvibrationandimpactfromtherunningpart,andtransferthetractionforceandbrakingforceofthetrain.车体底架的主要作用是承受车体上部载荷以及因各种原因而引起的横向力和走行部传递来的各种振动和冲击，并传递列车的牵引力和制动力。底架上的主横梁用于走行部的连接并传递其载荷，牵引梁用于安装车辆的车钩缓冲器，用来传递车辆间的牵引力和制动力。SidewallsThesidewalliscomposedofthreeparts:theupperwallpanel,thelowerwallpanelandthewallpanelbetweentheWindows.Thesidewallismadeofordinaryaluminumprofilesandhollowaluminumprofilesweldedtogether.Theinnersideofthesidewallispreinstalledwithheatinsulationandsoundinsulationmaterials,Windowsandinnerwallpanels.Thesidewallmodule,thechassisandtheroofmodulearefastenedbyriveting.侧墙由上墙板、下墙板、窗间墙板三部分组成，侧墙由普通铝型材和中空铝型材焊接而成，在侧墙内侧预装有隔热隔声材料、车窗和内墙板。侧墙模块与底架和车顶模块之间用拉铆紧固联结。侧墙SidewallsThesidewallisanimportantpartthatdeterminestheheightofthetrainbody.Thesidewallisconnectedwiththebottomframeandtherooftobearandtransfertheloadfromthetrainbodytogether.侧墙是决定车体高度的重要部件，侧墙与底架、车顶连接在一起，共同承受和传递来自车体的载荷。侧墙TheroofTheroofstructureiscomposedofroofsidebeams(leftandright),roof(3pieces)andairconditioningunitinstallati