crane(起重机).pptx

crane(起重机).pptx

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Portcranewelcome1.Port2.Containercrane3.Portalcrane4.Gantrycrane5.DredgerPortsituationChinaportthroughputhavelistedfirstforeightconsecutiveyearsintheworld.2010,portcontainerthroughputreachto145millionTEUs,thisdevelopmentSituationintheworldisunique.portindustryTheportserviceindustryincludessuchactivitiesasportdailymaintenance,cargohandling,pilotage,portconstructionandcommunications.Companiesincludedinthescopeofportserviceindustryaredirectlyrelatedtoporttransportationservices,suchasPSAandcargoterminal.Portserviceindustrycreatesindustrialoutputvaluethroughtheportproductionactivities.portandeconomicRegionaleconomicdevelopmentwillinevitablyaffectandpromoteitsportdevelopment.therolethatportclusterplayinregionaleconomygrowthwillbeincreasinglystrengthenedforitsrapiddevelopment.PortfuturedevelopmentEnterpriseexpansionBusinessextensionStructureddevelopmentDecentralizedmanagementPortcraneQuaysidecontainercraneFeatureDevelopmentDesign1.workingontheshore2.LoadingandunloadingcontainersFeatureTwin40quaysidecontainercraneDoubletrolleyquaysidecontainercraneDevelopmentDesign1.Determinethedemensionaccordingtothebasicdata.2.Analysethecranebyestablishingafiniteelementmodel.Establishingafiniteelementmodel.1EXAMPLE:

AnalysisofmodelinganddynamicresponseofcraneModalanalysisApplyingtheloadandcontraints23TransientanalysisPortalCranePortalcraneiswidelyusedintheport.Ithascomplexstructure,mostinstitutions,typicalelectricloadingandunloadingmachine.Andithastheadvantageofbetterperformanceanduniquestructure,goodversatility.Introduction:

Itsstructurecanbedividedintotwoparts:

theupperrotatingpartandthelowerrunningpart.Classification:

Dividedintothreecategoriesaccordingtouse:

LoadingandunloadingShipbuildingconstructionandinstallationPortShipyardConstructionsiteMechanismLuffingRunningHoistingSlewingHoistingmechanismHoistingmechanismisindispensablepartofwork,itwilldirectlyaffecttheworkofthewholecraneperformance.Hoistingmechanismconsistsofthefollowingcomponents:

driving,windingsystem,brakingandauxiliarydevices.LuffingmechanismLuffingmechanismisusedtochangetheworkingrange.Intheliftingcapacityofthemaximumamplitudetransportgoodsbetweentheminimumamplitudeinordertoexpandthescopeofthecranesoperation.Portalcranewithluffingmechanismmainlyreferstotheroleofthis,itisjointworkwithothermeshanismtotransportcargoes.SlewingmechanismSlewingmechanismisusedtosupporttheweightofrotatingparts,anddrivenon-rotatingpartrelativetotherotatingpartoftherotarymovementtodosomeworkagency.Itsroleistomaketheslingaroundthecenterofrotationofthecranedorotarymovementinahorizontalplaneinordertoachievethepurposeoftransportgoods.SlewingmechanismRunningmachanismInthecraneoperation,oftenrequirecranesworkingpositioncanbeadjustedtochangetheplaceofwork,inordertoexpandtherangeofoperations,improvehandlingefficiency.Therefore,thecranesareusuallyequippedwithruninstitutions,functioningorganizationsmissionistoenablethecranetodothehorizontalmovement.SafetydeviceWindproofanchoringdeviceOverloadLimiterLimitdeviceGantrycraneBriefintroductionClassificationConstituentbodiesDevelopmentBriefintroductionGantrycraneistobeavariantofbridgecrane.Itsmainlyusedforoutdooryard,yardgoods,bulkcargoloadingandunloading.Asgantrycranehasthosecharacteristisofspaceutilization,operatingrange,wideadaptability,versatility,itswidelyusedintheportyard.ClassificationFramestructureGantrycraneCantilevergantrycraneFormofmainbeamSinglegirderDoublegirderConstituentbodiesHoistingmechanismOperatingmechanismWalkingcartsTrolleyHoistingmechanismWalkingcartsTrolleyDevelopment1,computerizationandautomationofdesignandmanufacture2,innovationandapplicationofcontrolelements3,applicationofnewmaterialsandnewtechnologyDredgerTrailingsuctionhopperdredgerBucketchaindredgerCuttersuctiondredgerGrabDredgerFlatDiggingthedredginggrabusedbydredgertheschematicofdredginggrabFixingtheuppersheaveblock,theclosingcurveofthegrabislikethis.FlatdiggingsimulationKineticanalysisFuzzyneuralnetworkThankyou