5000吨编组通用敞车c70纵向载荷谱的编制

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1、北糸窝通人学琐I学位浚史中史摘彗中文摘要摘要；提速和重载是我国铁路逡输豹发展方向，“十一巍”期闯将全蕊玎行时速120km／h、5000楚缡缝瓣货运熊车。麓穰{歪残车安全运行，遴过线路实溅编割窭餮合我国运用状况的纵向载荷谱，更新我国赞车结构的强魔设计规范和试验标准，已成为一项非常紧迫的工作。零文辗搀货举运震中兹纵

2、筠载麓特点，参照美国AAR瓿务觏范豹载褥谱，搽讨在编希《级向载荷谮中所遇到的许多理论阔艇和处理方法，论述了编制裁荷谱的具体内容和步骤，以线路的实测数据为基础，试编制了符合我国货车实际运用条件下的纵向载赫谱。生硬有以下工{棼：1)缀彝载蓠黪溺试

3、；包括线鼹运行孛缀囱载蘅耪溜敖传鲎静缀淘载耱懿溅试。2)对试验数据进行处理，仿照AAR规范的环境载荷谱，编制纵向裁衙样本谱。3)根据货车纵向受力状况，将纵向载荷分成溜放、制幼、缓解等工况，并依据、烫囊绫诗及试验撵零谱会袋备耪互况，编制突鞴运费豹级翔载蔫谱。4)运用所编制的载荷谱，计算16型钩聪框的寿命，弗与用AAR载搿谱诗算的寿命进行比较。关键词：提速重载载荷谱钩尾框寿命分类号：U270．34fl!JC窳瓮通人学硕}：学位沦文ABSTRACTABS’l’RAC’l'．Speed-upandheavytoadisthedevelopingdirecti

4、onofourcountryrailwaytransportion．Duringthe“llthFive'’period120km／h．5,000tonsgroupingoffreighttrainswillbecomprehensivelystarted．Inordertoguaranteethesafeoperationoftrains，establishingtheactuallinelongitudinalloadspectrum，renewingdesignstandardandtheexperimentalstandardofOUrcou

5、ntryfreightvehiclestructurethroughthelinemeasure，hasbecomeanextremelyurgentwork．Basedonthelongitudinalloadcharacteristicsofthefreightvehicleutilization,referringtotheloadspectrumoftheAmericanAARmachinemattersstandard。Thisarticlediscussesmanytheoriesquestionsandprocessingmethods

6、whichisecpuntedintheestablishmentlongitudinalloadspectrum，elaboratsconcretecontentandthestep。andtriestoestablishnlongitudinalloadbasedonthemeasureddata殛line．罩homainworksareasfollowing：1)longi【tudinalloadtest：includinglongitudinalloadswhichhappeninthelineandoneswhichoccurinthesw

7、itchyard。2'thetestdataprocessing：byimitatingtheenvironmentloadspectrumoftheAARstandard，thelOil西tudinalloadsamplespectrumwillheestablished．3、AccordingtothefreightvehicleImagitudinalstressconditionloadswillbedividedintoswitchyardconditions,brakecondition，easeconditinandSOon．Thenb

8、asedonsurveystatisticsandsamplesofvariousspectralcondition，thepreparationoftheactualoperationlongitudinalloadspectrumwillbeestablished，钠BasedOntheloadspectrumwhichiSestablished,thelifeofthe16hookstailsflameisestimatedandthelifebyutilizingthe舢状loadspectrumiscompared．KEYWORDS：spe

9、ed-up，Heavy,loadspectrum，coupleryoke，lifeCLASSNo；U270．