講解課件講解

2023Installationand

mappingofconstructionequipmentlift01Thecompositionoftheelevator02Theworkingprincipleoftheelevator03MonitoringandcontrolsystemofelevatorsCatalogue3ReflectionStudents,doyouknowwhatanelevatorconsistsof?InstallationandmappingofconstructionequipmentThecompositionoftheelevatorInhigh-risebuildings,verticaltransportationisoftenessential,andelevatorsandescalatorsmustbeinstalledinofficebuildings,hospitals,hotels,shoppingmalls,andothertypesofbuildings.ThecompositionoftheelevatorThedetailedcompositionoftheelevatorisshowninthefigureontheright.Thecompositionoftheelevator1.Theelevatorisdividedintomechanicalandelectricalpartsaccordingtotheoverallstructure,asshowninFigure12-1forthestructurediagramoftheelevator.圖12-1電梯的結(jié)構(gòu)示意圖使用規(guī)范說明2.MechanicaldevicepartThemechanicaldevicepartmainlyincludestractionsystem,car,doorsystem,guidancesystem,counterweightsystemandmechanicalsafetydevice.(1)Tractionsystem(2)Car(3)Doorsystem(4)Guidancesystem(5)Weightbalancesystem(6)MechanicalsafetyprotectiondeviceMechanicalsafetyprotectiondevicesaredividedintomechanicalspeedlimitingdevices,bufferandendstationprotectiondevices.使用規(guī)范說明使用規(guī)范說明3.ElectricalinstallationpartTheroleofelectricaldevicesistomanipulateandcontroltheoperationofelevators.Itcanbedividedintothreeparts:electrictractionsystem,operationcontrolsystemandelectricalsafetysystem.①Electrictractionsystem使用規(guī)范說明3.Electricalinstallationpart②OperationcontrolsystemTheoperationcontrolsystemiscomposedofacontroldevice,alevelingdeviceandalayerselector,etc.,torealizethesystemofoperationandmonitoringoftheelevator.③ElectricalsafetysystemElectricalsafetysystemreferstothecircuitandelectricalcomponentsusedtoachievesafetyprotectionintheelevatorcontrolsystem.01Thecompositionoftheelevator02Theworkingprincipleoftheelevator03MonitoringandcontrolsystemofelevatorsCatalogue使用規(guī)范說明TheworkingprincipleoftheelevatorTherearemanytypesofelevators,butthemainpartofthefunctionisbasicallythesame.TheworkingprincipleoftheelevatorisshowninFigure12-2.1—electricmotor;2—tractionwirerope;3—Guidewheels;4—tractionwheel;5—Counterweight;6—CarFigure12-2Theworkingprincipleoftheelevator使用規(guī)范說明01Thecompositionoftheelevator02Theworkingprincipleoftheelevator03MonitoringandcontrolsystemofelevatorsCatalogue使用規(guī)范說明Third,thesupervisionandcontrolsystemoftheelevator1.Thecontrolmodeoftheelevator(1)SimpleandautomaticThisisthesimplestoftheautomaticcontrolmethods,generallyusedinpassengerelevators,freightelevatorsandhospitalbedelevators.Thiselevatorhasonlyoneoutboundcallbutton,andonebuttonisusedforbothuplinkanddown.(2)Centralizedcontrolmode使用規(guī)范說明Third,thesupervisionandcontrolsystemoftheelevator1.Thecontrolmodeoftheelevator(3)GroupcontrolmodeThismethodisproducedonthebasisofthehighdevelopmentofcomputertechnology,whichisespeciallysuitableforcommutingtoandfromworkwhentherearemanypassengersandthevolumeoftransportationincreasessharply.Thegroupcontrolmethodischaracterizedbynodriveroperation.使用規(guī)范說明2.ControlofelevatordoorsTherearebasicallythreeformsofelevatordoorcontrol:manualcontrol,photoelectriccontrolandcontactdevicecontrol.1.PhotoelectriccontrolThepeculiarityofsuchadeviceisthatthedoorsofthecararecontrolledbyanoptoelectronicdevice.Thephotoelectriccontrolconsistsofalightsourceandanoptoelectronicelementinstalledinthedoorgap.使用規(guī)范說明2.ContactdevicecontrolThiskindofcarisacontactsensitivedeviceonthesideofthedoor,assoonasthisdevicetouchesthepassenger,itimmediatelystopsclosingthedoor,andmovesintheoppositedirectionatthesametime,andimmediatelyclosesoncethepassengerentersthecar[orstepsoutofthecar].Inthisl