納米比亞徑向轉向架機車懸掛參數優(yōu)化及動力學性能分析.pdf

1、中南大學碩士學位論文納米比亞徑向轉向架機車懸掛參數優(yōu)化及動力學性能分析姓名：董麗申請學位級別：碩士專業(yè)：載運工具運用工程指導教師：田紅旗20061101ABSTRACTFollowingtheincreaseofrollingstockrunningspeed，thedynamicactiveforceactingbetweentherollingstockandtherailwaytrackandamongthecouplingcar

2、sincreases，andthevibrationofeachpartofthetrackintensifiesaccordinglywhichseVelelythreatensthecomfortandrunningsafetyofrollingstocksTherefore，itisnecessarytooptimizeandselectsuspensionparameters，andpredictdynamicperforman

3、ceaccordingtothetrackstatusandstructuralparametersofproducts，bymealisofapplyingdynamicanalysisso／waretocarlyoutsimulatedcalculationofdynamicperformanceofrolHngstocks。SOastodevelopnewproducts’Namibianradialbogielocomotive

4、isthefirstradialbogielocomotivedevelopedbyourfactoryinselfreliance，DuetothespecialgeographicalenvironmentandtrackstatusoftheRepublicofNamibiawhereisverywindyandsandythereareSomanycurvedtrackswithsmallradius，withtheminimu

5、mcurveradiusbeinggore，whichputsforwardhigherrequirementfordynamicperformanceindexoflocomotivesForthisreasoll，wedevelopedandproducedNamibianradialbogielocomotiveOptimizationofsuspensionparametersandanalysisofdynamicsperfo

6、rmanceguaranteethecomfortandrunningsafetyofNamibianradialbogielocomotiveThepresentthesisappliesmultibodydynamicsanalysissoftware，SIMPACK，tophysicalmodelingforNamibianradialbclgienarrowgaugediesellocomotiveandanalyzesthei

7、nfluenceofsuspensionparametersontransversestabilityrunningsmoothnessandcurvepassingthroughperformanceoflocomotivesbvmeansofsimulatedcalculationofdynamicperformanceTheanalysisresultshowsthatthelongitudinalpositioningrigid

8、ityoftheendaxleboxisn01sufficientandthenonlinearcriticalspeedCannotmeetdesignrequireme：tInaccordancewiththetransversestabilityrunningsmoothnessandcurvepassingthroughperformanceindexoflocomotives，weoptimizethelongitudinal

9、positioningrigidityoftheaxlebox，singlestagetransverserigldityrigidityofpullingrodbetween911idingbeamandtheaxleboxsingle—stagelongitudinaldamper，doublestageantihuntingdamper，doublestagetransversedampeBsingle—stagevertical