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1、电梯平衡系数Atpresent,thelocalspecialequipmentinspectioninspectionagenciesintheacceptaneeinspectionoftheelevator,themosttimeconsuming,andthecostofmanpowerandmaterialresources,istestingtheelevatorbalancecoefficient・Byinspectionregulation:mustbeincapsulesrespectivelycarry0,25%,40%,50%,40%,
2、100%,110%ratedload,thedeterminationofelevatorrunningload一currentcurve,takeonit,andloadcoefficientoftheintersectionofdownwardcurve,isthebalancecoefficientoftheladder,intersectionforqualifiedwithintherange40%~50%・Inordertodeterminethisparameter,besidestwoinspectors,anumberofworkersar
3、erequiredtocarrythecodebackandforth.Duetotoomanyfactorsaffectingthetest,isitcrediblethattheresultsarenotcredible,evenifthetestresultsarewithin40%to50%oftherange?Ifitgoesbeyondthat,whynot?Whatisthemeaningoftheequilibriumcoefficient?Whatistheimpactontheelevator?Notknowingwhattodo,mea
4、suringthe"balancefactor"losesitsmeaning.TheessenceoftheequilibriumcoefficientToexploretheessenceoftheequilibriumcoefficient,wemuststartwiththeprincipleofthetractorelevator・Theverticalelevatorisaliftingdevicethatcausesheavyobjectstomoveverticallyupanddown.FromtheAngleofmechanics,wan
5、ttomakeaheavyremainstationarystateintheair,theremustbeatensionTandQphaseequilibrium,thegravityoftheobjectthatisT=Q,thenanobjectatrestorofuniformmotion,referredtoastheforcebalance・Thissystemiscalledtheequilibriumsystem・Upwardmovementtomaketheobject,thespeedchange,inadditiontoovercom
6、ethegravityoftheobjectisthetensionTQ,butalsoprovideanaccelerationforceF,name1yT+m+F二二QQa(m-tothemassofthebody;a-foracceleration).Iftheobject,sgravityQisanotherbalaneebalancebyW,W二Q,whichformabalancedsystem,thetensionTwouldn,thavetoovercomethegravityQ,andonlyneedtoprovideanobject,th
7、eforcerequiredtoproducetheacceleration,namelyT二F二ma,thusgreatlyreducingthetensionT・Thisisthe''principleofbalance"ontheelevator・Thisbalanceisprovidedbytheweight・SowewanttobeequaltotheweightofgravityW,whichisequaltothegravityofthecarandthepayload・Buttoreallydothat,it'sverydifficultto
8、actuallyusetheelevator,ort