电梯发展史Elevator development history.docx
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电梯发展史Elevatordevelopmenthistory
电梯发展史(Elevatordevelopmenthistory)
电梯发展史(Elevatordevelopmenthistory)
Thefirstsectionoftheelevatorindustrydevelopment
Longago,peoplehaveusedsomeoftheoriginalliftingtoolfortransportingpeopleandgoods.Around1100BC,ourancestorsinventedthewheel,itusesrotatingdrumtofinishtheliftingmovement,thusincreasingtheliftheight.In236BC,theGreekmathematicianArchimedesdesignedliftingdeviceiscomposedofawinchandpulleyblock.Thedrivingforceoftheliftingtoolishumanoranimal.AtthebeginningofnineteenthCentury,inEuropeandtheUnitedStatesbegantousethesteamengineaspowerliftingtool.In1845,William?
Thomsondeveloped1setsofhydraulicelevatordrive,thehydraulicmediumiswater.Althoughtheliftingtoolisagenerationofinnovativeengineersforcontinuousimprovement,however,isnotwidelyrecognizedbyindustrylifts,firstliftsuntilthe1852worldsafebirth.
In1889,theelevatorbeganusingpowerdrivenrealelevator.TheelevatorinthedevelopmentofdrivingcontroltechnologythroughthecontrolofDCmotordrivecontrol,driveACsinglespeedmotordrivecontrol,ACdoublespeedmotor,dcgear,gearwithoutspeeddrivecontrol,ACvariablevoltagevariablespeeddrivecontrol,VVVFdrivecontrol,ACpermanentmagnetsynchronousmotordrivecontrolstage.
AttheendofnineteenthCentury,withWardLeonard-liftDCdrivecontrolsystem,theperformanceoftheelevatorsignificantlyimproved.AtthebeginningoftwentiethCentury,begantoliftdrivingACinductionmotor,thengroovewheel(i.e.tractiondrive)insteadoftheelevatorliftdrumdrumdrive,
whichlaidthefoundationforthelongstrokeandhighsecurityofmodernelevator.ThefirsthalfoftwentiethCentury,DCspeedcontrolsysteminalargeproportionofmediumandhighspeedelevator.
In1967,thethyristorforelevatordrive,ACvoltageregulatingdrivecontroloftheelevatorthere.In1983,theelevatorVVVFcontroloccurs,becauseofitsgoodspeedperformance,comfortandenergysavingquicklybecomeamainstreamproductintheelevator.
In1996,nomachineroomlesselevatortractionmachinegeardrivenACpermanentmagnetsynchronous,andaninnovationofelevatortechnology.Thetractionmachineandcontrolcabinetinwells,eliminatingtheindependentroom,saveconstructioncosts,increasetheeffectiveareaofthebuilding,improvethebuildingofarchitecturalaestheticsdesignfreedom.Thiselevatorhastheadvantagesofenergysaving,nooilpollution,nomaintenanceandhighsafety.
Thedevelopmentoftheelevatorcontrolmodethroughthehandleswitch,buttoncontrol,signalcontrol,setselectioncontrolprocessformultielevatorhasparallelcontrol,intelligentcontrol.
Now,theelevatorcompaniesaroundtheworldconstantlyliftthedevelopmentofnewproductsandthemaintenanceservicesystem,andstrivetomeetthepeopleofmodernarchitecturetheincreaseoftrafficdemand.
Thedevelopmentstatusofthesecondworldelevatorindustry
inrecentyears
InMay2000,SchindlerreleasedtheEuroliftmachineroomlesselevatorelevatorcompany.Itusesthehighstrengthnonsteelwireropecoresyntheticfiberropetractioncar
"SchindlerAramid".Permanentmagnetmotorgearlessmachinedrive.Eachtractionropecomprisesabout300thousandstrandsoffibers,thetractionropeis4timeslighterthantraditionalwirerope,
Graphitefiberropeconductorsembeddedinslightwearmakesitpossibletomonitorthechangeoftractionrope.
InMay2000,accordingtoElevatorWorldreports,ItalyMasperoelevatorcompanyinstalledarampelevatorinItalyBernsubwinterskiing,carininclinedshaftmovealongtheguiderail,rampelevatorisaramptraffictool.
In2000,Gen2releasedtheOTISelevatorwithoutmachineroom.Itusesflatwireropereinforcementtapetractionelevatorwireropereinforcementtape(coatedwithpolyurethaneflexiblematerial).Gearlessmachinehasanelongatedshape,smallsize,easytoinstallonthetopsideofthesteelshaft.
From17toApril200220,MITSUBISHIMotorCompanyinthefifthsessionoftheinternationalChineseliftonexhibitionmodelescalatorhighspeedtiltsection.Candrivetherackstructurehingedtelescopicthestepintervalchangeatruntime,sothatthespeedchanges.Theinclinedsectionisabout1.5timesfasterthanthespeedoftheflatandslobber,soastoshortenthepassengerridingtime,butalsoimprovethesafetyand
stabilityofthepassengersontheescalator.
In2002,theTaipeiinternationalWorldFinancialCentreunderconstructionisexpectedtobecompletedin2004willinstallToshibaelevatorcompanyspeedof1010m/min(16.8m/s)ultrahighspeedelevator.Theelevatorisconnectedunderground1layerandeighty-ninthlayersightseeing,liftingheightis388m.
InFebruary2003,thecompanyreleasedanewOtisescalator,itusesNextStep?
Guarded?
Pedal,pedalandapronplatecascadeintoasinglemodulecoordinatedoperation;italsousessomeothernewtechnologiestoimprovetheescalatorsafety,anewescalator.
Thethirdsectionoftheworlddevelopmenttrendofelevatorindustry
Thenextroomelevatordemandwillbecomeabrightspotinthedevelopmentoftheelevator,therewillbemoredeveloperschoosemachineroomlesselevator,andthereisnoroomorliftpricestability,especiallythesafeandreliableofthefourthgenerationofelevatorwithoutmachineroom,willbecomeahotbuy.Atthesametime,liftthecooperationbetweenenterpriseswillhaveabettertrend.
Two,sightseeingelevatorstylewillbechangedinthepasthalfcircleanddiamondsituation,liketheWALESSplanesightseeingelevatoronlyintheoriginalpriceincreaseof8000yuanaremorepopularwithusers,andtheWALESS1/4Parksightseeingelevatorwithoutmachineroomcanmakethebuildingdesignand
constructionofmoresimple,morelowcost,hasbecomeverypopularinthefuturetourismelevator.Thereforeinthefuturesightseeingelevatorstylefromtheoriginal2increasedto5-6,sothattheusercanselectmoresightseeingstyle,andmeettheuserstochoosecheapsightseeingelevatoranddemandvillasightseeingelevator.
Three,residentialelevatordiversityandcomprehensivecostoptionsforthefuturedevelopmenttrend.Inthefuturethediversityofresidentialelevatorinaroomwithnorealliftandliftcoexist;cheapresidentialhigh-gradeelevatorcoexist;ordinaryresidentialandresidentialelevatorsightseeingelevatorcoexist.Atthesametime,developersinordertodevelopinterest,consideringintheelevatorshaftcivildesignandconstructionandinstallation,elevatorequipmentprocurementinmanyaspects,thereforenolongeronlyliftthepriceoftheequipment,andconsideringthecostwillgraduallybecomeoneofthebasicrequirementsforresidentialelevator.
Four,thefutureofelevatorcompaniesadvertisingcostswillbeincreasedthanbefore,
Itwillgivemoreconsiderationtothepracticalityandeffectivenessofadvertising.
Five,elevatorstandardizationproductionwillbeimplementedinsomeenterprises,throughthestandardizationofproductiontoreducetheproductioncostofserviceusers,improvethequalityofproductsisalsoatrendofelevatorproductdevelopment,andthistrendislikelytostartfromChinesego
global.
Six,installationandservicequalitycustomerservicewillbecomeanotherimportanttoimprovethefuturetrend,butalsoattachesgreatimportancetothetrainingandinstallationteamwillbeinthenextfewyearsoneoftheimportantteachingpoints.
Seven,andIthinkthatinthefuturesomeoftheoriginalbrandwillbeabrandnewtechnologyemergingthreats,Chineseelevatorindustrywillbemoreinvolvedininternationalcompetition,moreandmoreinvestorswillsharethecakeelevator.
Eight,energy-savingelevatoristhemaintrendofdevelopmentinthenextfewyears.Thedevelopmenttrendofelevatorindustryalsoforcedthepurchasingtrendchangeinpurchasingtrendswillalsoforcetheupdatedevelopmenttrendofelevatorindustryinlinewiththeneedtopurchaseinthenextfewyears,whetheritisthedevelopmentoftheindustryandprocurementtrends,willbecomethemaintrendofenergy-savingelevator.
ThedevelopmenttrendofthefourthsectionChinaelevatorindustry
Before1979,30yearssincethefoundingofnewChina,thenationalproductionofabout10thousandunitselevatorinstallation.TheelevatorismainlyDCandACdoublespeedelevatorelevator.Thedomesticelevatormanufacturersaround10.
InJuly4,1980,ChineseConstructionMachineryCorporation,SchindlerLimitedbyShareLtd,HongkongJardineSchindler(FarEast)3partyLimitedbyShareLtdjointventureChineseSchindlerElevatorCo.ltd..ThisisthefirstsinceChina'sreformandopeningupthemachineryindustryjointventure.ThejointventureincludingShanghaielevatorfactoryandBeijingelevatorfactory.Chineseelevatorindustrysincetheintroductionofforeigncapitalhavesetoffaboom
Chinaelevatorindustryintheintroductionofforeigncapitaltoenterthebigdevelopmentstageofthereal,Chinaelevatorindustrydevelopmenthistoryafter80scanbesaidthatthedevelopmenthistoryisaforeigninvestment,fromtheforeigncapitaltoentertheChineseelevatorindustryprocess,Sinoforeignjointventuresintheelevatorhasexperiencedthefollowingfourstages:
Sinoforeignjointventures,Chineseforeignholdingsgraduallybeganholding,basicallybyforeignholdings,allforeignholdingsorsoleproprietorship.Thespecifictimeandsignasshowninthefollowingtable:
Table1ofChina'sannualgrowthofmilepostlift
China'sannualoutputgrowthofmilepostlift
Particularyear
Milepost
Thea