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1、太原理r大学:硕才「研究牛'子'在1论文FAULTANALYSISANDSrUDYOFRIGID-FLEXIBLECOUPL卧JGGEARBOXSYSTEMABSTRACTInmodernmachineryandequipment,gearboxsystemasacommonandessentialcomponent,becauseofitscomplexstructure,workingingreatstreng由,poorworkingconditionsandotherreasons,itissusceptiblet
2、odamageandfailure.Whiletheeventoffailureoccur,itoftenresultineno口noussecurityissuesandeconomicinterests.Therefore,whetherftomtheperspectiveofsecurinJoreconomicbenefitspoint,conditionmonitoringandfaultdiagnosistogearboxsystem,topreventfailures仕omoccurring,allhavesi
3、gnificantvalueandmeaning.TheVirtualPrototypingTechnologycanbeusedtosimulatevariousfa订uresofgearboxsystem,andanalysisingthosevibrationsignalsisaemergingissueswhichisdevelopingandimprovingwiththecomputertechnologyinrecentyears.Thesevibrationsignalswhicharecollectedo
4、n出egearboxcontainalOtofinformationtoreflect由eoperationalstatusofthegearboxsystem.Thepaperestablishedarigid・flexiblecouplingvirtualprototypeofthegearboxsystem,simulatedandstudiedthevibrationsignalofthegearbox.Thesimulationresultswereconsistentwiththecalculatedvalue
5、andexperimentaldata,whichverifiedthecorrectnessandcredibilityofthemodeLAnditprovidedanewideaforgearboxfaultdiagnosisandfaultsignalextractionwithvirtualprototype・Inthispaper,thefollowingmajortaskstobecarriedout:(1)Usingthree-dimensionalsolidmodelingsoftwarePROEcrea
6、tedtheparidrawingandlhethree-dimensionalsolidassemblymodelofthegearboxsystem,andespecia1Tydiscussedthemethodofparametricmodelingwiththespurgearasanexample.(2)WiththehelpofProIEandADAMSdataconversioninterfacesoftwareMechanismJPro,transformedthethree-dimensionalsoli
7、dmodelofthegearboxsystemintoADA岛IS,andgeneratedtherigidmodelofgearboxsystem.Thispaperestablishedarigid-flexiblecouplingvirtualprototypeofthegearboxwhichcontainedthetlexibleshaftandthetlexibleboxwh.ichwasobtainedbyusingofthefiniteelementanalysissoftwareANSYS,anditw
8、部alsoneededimposingconstraints,loadsanddrivesonthemodeJ・ojsimulationoflhemodelinthreeconditionsofnormal-gearwe町faultandgearbrokenteeththesimulationresul
