crane(起重机)分解课件

PortcranewelcomePortcranewelcome11.Port2.Container crane3.Portal crane4.Gantry crane5.Dredger 1.Port2.Containercrane3.Port2PortsituationChinaportthroughputhavelistedfirstforeightconsecutiveyearsintheworld.2010,portcontainerthroughputreachto145millionTEUs,thisdevelopmentSituationintheworldisunique.PortsituationChinaportthro3crane(起重机)分解课件4portindustryThe port service industryincludes such activities asportdailymaintenance,cargohandling,pilotage,portconstructionandcommunications.Companiesincludedinthescopeofportserviceindustryaredirectlyrelatedtoporttransportationservices,such as PSA andcargoterminal.Portserviceindustry creates industrialoutput value through theportproductionactivities.portindustryTheportservice5portandeconomicRegionaleconomicdevelopmentwillinevitablyaffectandpromoteitsportdevelopment.therolethatportclusterplayinregionaleconomygrowthwillbeincreasinglystrengthenedforitsrapiddevelopment.portandeconomicRegionalecon6PortfuturedevelopmentEnterpriseexpansionBusinessextensionStructureddevelopmentDecentralizedmanagementPortfuturedevelopmentEnterpr7PortcranePortcrane8QuaysidecontainercraneFeatureDevelopmentDesignQuaysidecontainercraneFeatur91.workingontheshore2.LoadingandunloadingcontainersFeature1.workingontheshoreFeature10Twin40quaysidecontainercraneDoubletrolleyquaysidecontainercraneDevelopmentTwin40quaysideDoubletrolle11Design1.Determinethedemensionaccordingtothebasicdata.2.Analysethecranebyestablishingafiniteelementmodel.Establishingafiniteelementmodel.1EXAMPLE:AnalysisofmodelinganddynamicresponseofcraneDesign1.Determinethedemensio12ModalanalysisApplyingtheloadandcontraints23ModalanalysisApplyingtheloa13TransientanalysisTransientanalysis14Portal CranePortalCrane15Portalcraneiswidelyusedintheport.Ithascomplexstructure,mostinstitutions,typicalelectricloadingandunloadingmachine.Andithastheadvantageofbetterperformanceanduniquestructure,goodversatility.Introduction:Itsstructurecanbedividedintotwoparts:theupperrotatingpartandthelowerrunningpart.Portalcraneiswidely16Classification:Dividedintothreecategoriesaccordingtouse:LoadingandunloadingShipbuildingconstructionandinstallationPortShipyardConstructionsiteClassification:Dividedintoth17MechanismLuffingRunningHoistingSlewingMechanismLuffingRunningHoisti18HoistingmechanismHoistingmechanismisindispensablepartofwork,itwilldirectlyaffecttheworkofthewholecraneperformance.Hoistingmechanismconsistsofthefollowingcomponents:driving,windingsystem,brakingandauxiliarydevices.HoistingmechanismHoistingmec19LuffingmechanismLuffingmechanismisusedtochangetheworkingrange.Intheliftingcapacityofthemaximumamplitudetransportgoodsbetweentheminimumamplitudeinordertoexpandthescopeofthecranesoperation.Portalcranewithluffingmechanismmainlyreferstotheroleofthis,itisjointworkwithothermeshanismtotransportcargoes.LuffingmechanismLuffingmecha20SlewingmechanismSlewingmechanismisusedtosupporttheweightofrotatingparts,anddrivenon-rotatingpartrelativetotherotatingpartoftherotarymovementtodosomeworkagency.Itsroleistomaketheslingaroundthecenterofrotationofthecranedorotarymovementinahorizontalplaneinordertoachievethepurposeoftransportgoods.SlewingmechanismSlewingmechanismSlewingmecha21RunningmachanismInthecraneoperation,oftenrequirecranesworkingpositioncanbeadjustedtochangetheplaceofwork,inordertoexpandtherangeofoperations,improvehandlingefficiency.Therefore,thecranesareusuallyequippedwithruninstitutions,functioningorganizationsmissionistoenablethecranetodothehorizontalmovement.RunningmachanismInthecrane22SafetydeviceWindproofanchoringdeviceOverloadLimiterLimitdeviceSafetydeviceWindproofanchori23crane(起重机)分解课件24GantrycraneBriefintroductionClassificationConstituentbodiesDevelopmentGantrycraneBriefintroduct25BriefintroductionGantrycraneistobeavariantofbridgecrane.Itsmainlyusedforoutdooryard,yardgoods,bulkcargoloadingandunloading.Asgantrycranehasthosecharacteristisofspaceutilization,operatingrange,wideadaptability,versatility,itswidelyusedintheportyard.BriefintroductionGantrycrane26ClassificationFramestructureGantrycraneCantilevergantrycraneFormofmainbeamSinglegirderDoublegirderClassificationFramestructureG27ConstituentbodiesHoistingmechanismOperatingmechanismWalkingcartsTrolleyConstituentbodiesHoistingmec28HoistingmechanismHoistingmechanism29WalkingcartsWalkingcarts30TrolleyTrolley31Development1,computerizationandautomationofdesignandmanufacture2,innovationandapplicationofcontrolelements3,applicationofnewmaterialsandnewtechnologyDevelopment1,computerization32DredgerTrailingsuctionhopperdredgerBucketchaindredgerCuttersuctiondredgerGrabDredgerDredgerTrailingsuctionhopper33FlatDiggingthedredginggrabusedbydredgertheschematicofdredginggrabFlatDiggingthedredginggrab34Fixingtheuppersheaveblock,theclosingcurveofthegrabislikethis.Fixingtheuppersheaveblock,35crane(起重机)分解课件36FlatdiggingsimulationKineticanalysisFuzzy neural networkFlatdiggingsimulationKinetic37Thank youThankyou38