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1、11Large-tonnageelectrichoistsinglegirdergantrycraneAbstractNewlydevelopedlarge-tonnageelectrichoistsinglegirdergantrycranecanbesynchronizedstand-aloneoperatingUnits2tolifting-span30-50m,theweightof40-64toftoohighbeamlanceBridgePre-Pina.Theaircraftstructureissimpleandeasydisassembly
2、oftransport,suitableformobileoperation.Thispaperintroducesthecharacteristicsofitsstructureandperformanceparameters.Keywords:gantrycraneelectrichoiststructuralcharacteristicsofperformanceparametersWiththerapiddevelopmentofhighwayconstruction,large-spanviaductofthesuper-sizedapplicat
3、ions,moreandmoreontheviaductatmixingcementprefabricatedsteelbeamsusedintheproductionofvenueliftingcapacityliftingequipmentrequirementsmoreandmorehigh.Nearoneyears,IplanthastotakepartinDanShenHighwayConstructionBranchoftheFirstChineseWaterConservancyBureau,MinistryofRailway20thEngin
4、eeringBureauandKamNorthKorea(Jinzhoutozhaoyang)DandongExpresswayconstructionofwaterconservancyconstructioncompanydesignedandmanufactured20t,28/5t,32/5telectrichoistsinglemainbeamgantrycrane,afterthedeliveryofuserswell.Precastbeamcurrentatthevenueontheuseofstillmoretractionwinchlift
5、ingtrolleyrunningdoublegirdergantrycrane,sincetheweightofmanyforthe20t,thecomplexityofitsstructure,liftingcapacityhasgraduallydifficulttomeetproductionrequirements.Ournewlydevelopedseriesofgantrycrane,theuseofUnits2singlesynchronousoperationcanbehoistingspan30-50m,weightof40-64tlar
6、geviaductprecastbeam;andothersimilarhoistingequipmentascomparedwiththeproductionofhigh1111efficiency,Lightstructure,easyoperation,disassembly,transportationconvenient,suitableformobilefieldoperations,theadvantagesoflowcost.Below32/5telectrichoistgantrycraneasanexample,theintroducti
7、onofstand-alonecharacteristicsandperformanceparameters.Figurel.32/5telectrichoistgantrycrane1.CD,S190electrichoist2.HC164Type32t-6inelectrichoist3.Metalstructure4.Maintenanceplatform5cartsruninstitutions1PerformanceParametersStartingweight:hoistingmechanismofthemachineusing2self-pr
8、opelledelectrichoistUnits,