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ID:32695491
大小:1.71 MB
页数:65页
时间:2019-02-14
《5000吨编组通用敞车clt70gt纵向载荷谱的编制》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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;包括线鼹运行孛缀囱载蘅耪溜敖传鲎
3、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-upandheavytoadisthedevelopingdirectionofourcountryrailwaytransportion.
4、Duringthe“llthFive'’period120km/h.5,000tonsgroupingoffreighttrainswillbecomprehensivelystarted.Inordertoguaranteethesafeoperationoftrains,establishingtheactuallinelongitudinalloadspectrum,renewingdesignstandardandtheexperimentalstandardofOUrcountryfreightvehiclestructurethroughthelinemeasure,ha
5、sbecomeanextremelyurgentwork.Basedonthelongitudinalloadcharacteristicsofthefreightvehicleutilization,referringtotheloadspectrumoftheAmericanAARmachinemattersstandard。Thisarticlediscussesmanytheoriesquestionsandprocessingmethodswhichisecpuntedintheestablishmentlongitudinalloadspectrum,elaboratsc
6、oncretecontentandthestep。andtriestoestablishnlongitudinalloadbasedonthemeasureddata殛line.罩homainworksareasfollowing:1)longi【tudinalloadtest:includinglongitudinalloadswhichhappeninthelineandoneswhichoccurintheswitchyard。2'thetestdataprocessing:byimitatingtheenvironmentloadspectrumoftheAARstandar
7、d,thelOil西tudinalloadsamplespectrumwillheestablished.3、AccordingtothefreightvehicleImagitudinalstressconditionloadswillbedividedintoswitchyardconditions,brakecondition,easeconditinandSOon.Thenbasedonsurveystatisticsandsamplesofvariousspectralcondition,thepreparationoftheactualoperationlongitudi
8、nalloadspectrumwillbeestablished,钠BasedOntheloadspectrumwhichiSestablished,thelifeofthe16hookstailsflameisestimatedandthelifebyutilizingthe舢状loadspectrumiscompared.KEYWORDS:speed-up,Heavy,loadspectrum,coupleryoke,lifeCLASSNo;U270.
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