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外文文献：TechnologystatusandDevelopmenttrendofStackingcrane1OverviewStackingcraneisaspecialcraneasofversionofthewarehouseanddevelopedtoappearSpecialcrane,commonlyreferredtoasthepileofchopmachine,pilingmachineisthree-dimensionalstorehouseofthemostimportantliftingtransportationequipment,representsthesignofthree-dimensionalwarehousecharacteristics.Itsmainuseis:Inthetopshelfofthewarehouseinorbit,willbelocatedatthemouthofthegoodsingoodsmesh;Ortheopposite,takeoutloansincasethegoodstothemouthofroadway,theloadingandunloadingfinishhomework.20theearly70s,Chinabegantoresearchthetypeofmachineofroadwaywhenthethree-dimensionalwarehouse,accordingtonotcompletecount,uptonowhasbeenbuiltmorethanthreehundredseats.Stackingmachineasathree-dimensionalstorehouseofthemostimportantliftingtransportationequipment,alsoobtainedfastdevelopment.2versionofthepresentsituationofstackingcranetechnology.Accordingtothecurrentmachineryindustrystandard,thepositionofthestackingcraneclassificationofways.E.g.bysupportingmode,use,themethodofcontrol,structure,operationsuchasclassifiedtrack.Butnomatterwhattypeofstackingmachine,isgeneralbythemobilemechanism,levelofliftingmechanism,manifestTaiwanandgoodsforkinstitutions,frameandelectricalequipment,andotherbasicparts.Inthepresentapplicationofthree-dimensionalwarehouse,stackingmachineisthemostcommonintheformofthestructureandoperationtrackclassification.2.1versionofthegoodwayofspidercranestructureFromthestructureformdifferenceatpresentinthewarehousestackerhasadoublesetonstructureandsinglepillarstructure.2.1.1doublepillarstacker.Doublepostthestackerframestructurebytworootmadeonthebeams,andtoformarectanglebeamundertheframework.Pillarformwellpipeandpipe.Squaretubeandbeliftingguiderail,pipeadditionalhoistingguidedoublepillarstackerthebiggestadvantageisthestrengthandthebrushsexarequitegood,andsmoothoperation.Generalforliftingheight,weightandhigheruplargespeedhighlevelofthree-dimensionalstorehousestacker,manywithdoublepillarstructure,doublepillarstackersliftingmechanism,widespreaduseofthechaintransmission,bymotorreducerdrivesprocketsrotation,throughthechaintractionmachinepartsmadeonoralongthehoistingguideforliftingmovement.Duetothechaintransmissionusedmoreclosedchainorbalancebyemptyaskedsizelimitdevice,transmissionanddecorateacomplicated.Butpositioningprecision.2.1.2singlepillarstacker.Singlepillarofstackerframestructurebyarootofthepillarandbeam.Pillarusedmorelargerh-beamorweldingproduction,pillaradditionalguide.Theweightofthelighter,consumelittlematerial,somanufacturingrelativelylowcost,buttherigidisabitpoor.BecausepartsofTaiwanandthegoodsontheeccentricityoftheoppositeeffect,andwalk,thebrakingforcelevelfromtheeffect,makesinglepillarstackerinusedonhavelimitations.Notsuitableforliftingweightandtherunningspeedofthehighlevelofstackingmachine.Singlepillarstackershoistingstructure,thewidespreaduseofthewireropetransmission,bymotorreducerdrivedrumrotating,throughthewireropetractionmachinepartsmadeonoralongtheliftingrailsforliftingmovement.Forwireropetransmission,transmissionanddecoraterelativelyeasy,butpositioningaccuracyisabitpoor.Version2.2ofstackingcranetotracktheperformanceStackerleveldrivegeneralinstallationinstackernextbeam,throughtheelectricityMachinespeedreducerdrivewheelrotation,makestackerlevelconcerningthedirection.Thisgrounddrivingwaymostcommonuse.Generalusetwobearingwheel,andalongthelayingonthegroundtrack(usuallyalsocalledtorail)operation.Throughthebottomtwogroupsoflevelroundorbitdirection,thetoptwogroupsinstackerguidewheelalonginorbit(usuallyalsocalleddayrail)operationauxiliaryoriented.Accordingtotherunningtrackformdifference,thereisastraightlinetypestackerandcurveoperationtypestackingmachine.2.2.Lstraightlinestypestackingmachine.Straightlinetypestackercanonlybeintheroadwaystraightorbit,unabletoconvertroadways.Onlythroughtheothertransportationequipmentoftransformation,suchasstackercartransport.Straightlinetypestackercanrealizetheoperation,andcansatisfytheloadingandunloadinghigherfrequencythree-dimensionalstorehousehomework,mostwidelyused.2.2.2curveoperationtypestackingmachine.Curveoperationtypestackinglocomotivewheelsandthebeamundertheverticalaxisofthehinged,canbeintheringorothercurveorbit,cangocurve,notthroughtheothertransportationequipmentcanthenfromaroadwaytotransfertoanotherroadways.Suchstackerusuallyalsocalledtransitionstacker.Curveoperationtypestackerinusedonhavelimitations,onlyappliestotheloadingandunloadingfrequencylowthree-dimensionalstorehouse.Becausenotonlybytheturningradiustothelimit,andturningspecialslowspeed,andcan'tmeetthepersonlibraryoffrequencyandhighwarehouseoperation.3.Thepositionoftheroadwaystackingcranedevelopmenttrend.Alongwiththedevelopmentofmodernindustrialproduction,stackingcranetechnologyofversioncontinuouslyimprovedandperfected.Theworld'smajorindustrialcountriesstartingpointonthedevelopmentofnewproductsandreliableperformanceandhighontheoperationonpaymoreattentiontothepracticalityandsafety.Instacker,weshallseeandworldadvancednationgap,summarizingtheexperiencefindoutthedeficiency,break