基于剛柔耦合門式起重機靜動態(tài)設計分析.pdf

1、大連理工大學碩士學位論文基于剛柔耦合門式起重機靜動態(tài)設計分析姓名：祁燕燕申請學位級別：碩士專業(yè)：工業(yè)工程指導教師：苗明20081201基于剛柔耦合門式起重機靜動態(tài)設計分析StaticandDynamicAnalysisofGantryCranebasedonthetheoryofRigid—FlexibleCouplingSystemAbstractThenewtechnologyofrailloadingrequireslongspa

2、ngantrycranetohoisthectometerrailsThecharacteristicsofgantrycranearelongspan，longlengthofload，operationofcomplexity，highsecurityinworkingfieldandSOon，sogooddynamicperformanceisrequiredInthispaperadynamicssimulationofmult

3、ibodysystemispromotedbasedonstaticanalysisTmspaperrelyingonapracticalprojectbaseonthe60tgantrycranewhichisusedforloadinghectometerrailsAfterthestaticanalysisandcalculation，accordingtothedynamicsprincipleofgantrycranethem

4、ultibodydynamicssimulationinvarioustypicalworkingoperationsiscarriedoutwiththeFEAsoftwareANSYSandvirtualprototypedynamicanalysissoftwareADAMSThesignificantsimulationresultsaregivenandtheanalysismethodareprovidedThemainwo

5、rkofthisPapershowsasfollows：TheFEAmodelofportalgantryisestablished、加thANSYSsoftwareandtheFEAanalysisofmechanicsstructureisperformedtoacquirethestressesanddeformationsunderstaticload；bucklinganalysisiscarriedoutandcalcula

6、testhedeformationbucklingcoefficientis33，whichmeettherequirementsofthestabilityoftheGantrycraneTheformersixordernaturalfrequencyandmodalshapeoftheportalgantryareobtainedthroughmodalanalysisbymeansofsegmentationLanczosmet

7、hodImportMNFofportalgantrystructurewhichisgeneratedinANSYSintoADAMSsoftware，andtakeitasflexiblebodytobuildRigid—Flexiblemodelofgantrycrane，combining、忻tllri百dbodymodelbuiltinPro／EThen，thedynamicsimulationofgantrycraneinth

8、eprocessesofhoistingloadandmainframetravelingareperformedComparethedynamicloadchangeswhencartsinadifferentspeed，theresultsincreaseswiththeincreasesofitsspeedThedynamicsimulationdataofgantrycraneintheworkprocessesareobtai