北京地铁1号线用车钩缓冲装置的故障分析与改进-宿方宗

:100227602(2010)03200182031(,266031):1,:;;:U270.34:B,,,11,,(1)(2)2,,,,:(1),:2009209227;:2009212216:(19752),,;(2);(3)(3)322.1,,,,,,,(3),,,,,23,,34,,34(6),8148320103,,,,,,,2.212,,2,,75%,25%,,,:(1)(ZG230450),,,,2003:500kN,,,(2),,2.3,,,,,,,3,,,,,,,2.4,,33,,,212214,2.5,,,,,,,,,1,33.11,,41,,1,ZG230450C,230MPa415MPa,,4911:100227602(2010)0320020204/1,2,2,2,1,2(1.,610031;2.,412007):,2,/,,,:;/;:U270.331+.6:B2(),,,/(/)71,,,/[1],:2009207210:(19742),,,/12005,,11kN/mm4kN/mm,/2175120,2004525T,2003,,,,,3.25,,,ZG23045020Cr,230MPa500MPa,,,541,2008,20086,2,,,:[1].[R].2003.(:)0248320103ABSTRACTTheStressAnalysisoftheFlankRubberLayerinMountingoftheJCElasticSideBearingsSUNLi2xia,etal.(female,bornin1984,graduatestudent,Insti2tuteofRailway&UrbanRailTransitofTongjiUni2versity,Shanghai200331,China)Abstract:Thenon2linearfiniteelementcalcula2tionismadefortheJCdouble2functionelasticsidebearingsmountedonthepresentfreightcarbogies.Thestressesoftheflankrubberlayersatthetwosidesofthesidebearingsininstallationandoperationareanalyzed.RelevantsuggestionsaregivenfortheJCdouble2functionelasticsidebearingsininstalla2tion.Keywords:JCelasticsidebearings;stressanal2ysis;finiteelementanalysis;stiffnessEffectoftheElasticFrameontheVibrationResponseoftheVehicleSystemBAOXue2hai,etal.(male,bornin1982,assistantengineer,CSRNanjingPuzhenRollingStockCo.,Ltd.,Nanjing210031,China)Abstract:Inordertoresearchtheeffectofthee2lasticframeonthevibrationresponseofthevehiclesystem,withthecombinationoftheFEsoftwareANSYSandMBSsoftwareSIMPACK,throughgen2erationofthestandardinputdocumentoftheeleasticframeintheSIMPACKpre2processingprogramFEMBS,thedynamicsmodelofrigid2flexiblecou2plingvehiclesystemissetupinSIMPACK,andthebogieframeisconsideredasanelasticbody.Viasim2ulationcalculation,suchvibrationresponsefeaturesasdisplacement,acceleration,vibrationfrequencyofthevehiclesystemareobtained.Thecomparisona2nalysisresultshowsthatthevibrationresponseoftheelasticframeforthesystemisstrongerthantherigidframe,andthevibrationfrequencyrangeofthesystemisenlarged.Keywords:elasticframe;vibrationresponse;rigid2flexiblecoupling;finiteelementanalysisResearchonDesignParametersofDraftGearsforHeavyHaulFreightTrainsinOurCountry(ToBeContinued)WANGXiao2long,etal.(male,bornin1973,seniorengineer,QiqiharRailTrafficEquipmentCo.,Ltd.,Qiqihar161002,China)Abstract:Thefactorsaffectingthedesignparam2etersofdraftgearsaredescribed,includingthecar2bodystructureandcarbodystrength,thetrainopera2tionconditionsandmarshallingshuntingconditions.Thetargetvaluesofdesignparametersofdraftgearsforheavyhaulfreightcarsinourcountryaredeter2mined.Andtheschemedesignofdraftgearsfornewtypeheavyhaulfreighttrainsisexpounded.Keywords:heavyhaul;freightcar;draftgears;designAnalysisofDesignandTestResearchonGrainHopperCarbodiesExportedtoBrazilTIANBao2shuan,etal.(male,bornin1966,seniorengineer(professori2al),ResearchandTestingDepartmentofQingdaoSi2fangRollingStockResearchInstituteCo.,Ltd.,Qingdao266031,China)Abstract:Thestructureanalysis,loadingcondi2tionsandtestresults,etc.ofthegrainhoppercarbodiesexportedtoBrazilaredescribed.Inthispa2per,thefairlythoroughfiniteelementstructureanal2ysisandcarbodystaticstrengthtestaremadeaccord2ingtorelevantprovisionsinAARM2100121997Spec2ificationsforDesign,FabricationandConstructionofFreightCars.Keywords:hoppercar;carbody;AARStand2ard;Strutureanalysis;testresultAnalysisofTroublesinCouplerDraftGearsforBeijingMetroNo.1LineandImprovementSUFang2zong(male,bornin1975,engineer,CouplerandDraftGearsDepartmentofQingdaoSifangRollingStockResearchInstituteCo.,Ltd.,Qingdao266031,China)Abstract:ThecausestotroublesincoupleranddraftgearsforBeijingMetroNo.1Lineareanalyzed,andthemeasuresforimprovementaredescribed.Keywords:coupleranddraftgears;troublea2nalysis;improvementDescriptionoftheAxialCompositeRubberBallJointStructurewithSmallRadial/AxialStiffnessRatioZHANGChun2liang,etal.(male,bornin1974,engineer,SchoolofMe2chanicalEngineeringofSouthwestJiaotongUniversi2ty,Chengdu610031,China)Abstract:Witharotaryarmpositioningnodalpointformetrovehiclesasanexample,anaxialcom2positetyperubber2metalballjointstructureisde2scribed.Thefeaturesofthestructureincludesmallradial/axialstiffnessratio,simpleandreliablepre2compressionofrubber,largerangeofstiffnessad2justmentandgoodfatiguereliability.Keywords:rubberballjoint;radial/axialstiff2nessratio;fatigueDiscussionoftheOverallTechnologySchemeDesignofDMUsExportedtoGhanaSHENYi(male,bornin1960,engineer,Manufacture