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1、电动门全面分析1,anoverviewoftheTheelectricdeviceisanelectricvalveactuatorthatcontrolstheopeningandclosingofthevalve・Suitableforgatevalve,globevalve,throttlevalve,diaphragmvalve,suchasvalve,itcanaccuratelyaccordingtothecontrolinstructionaction,istorealizeremotecontrolvalvean
2、dautomaticcontrolessentialdrivingdevicesThestructureofelectricdevicesThevalveelectricdeviceconsistsofsixparts:themotor,thereducer,thecontrolmechanism,thehand一theautomaticswitchingdeviceandtheelectticdlpart・Transmissionprinciple:motoroutputpower,throughwormtransmissio
3、ntoturbineandclutch,theoutputshaft・Duetothepretensionforceofthebutterflyspring,thewormisatthecenteroftheturbine・Astheloadontheoutputaxisisgreaterthanthepretensionofthebutterflyspring,thewormwillmovetheshaftanddeviatefromtheposition.Atthistime,thecrankwillswing,transf
4、ertothetorquecontrolmechanism,andifthetorquewillexceedthesettorque,thenthetorqueswitchactionwillbecutTransmissionprinciple:Themotoradoptsthree-phaseasynchronousmotor,whichisshort-timeworkandisratedfor10minutes・Thereducerismadeupofapairofspurgearsandaturbine,andthemot
5、or，spoweristransmittedtotheoutputshaftbyareducer・Thecontrolmechanismconsistsoftorquecontrolmechanism,strokecontrolmechanismandadjustableopeningindicator・Controlvalveopeningandclosingandpositionindication.Torquecontrolagenciesbyerank,touchblock,CAM,indexplate,theplate
6、andthemicroswitch,whenthereisacertainamountofresistancetorqueoftheoutputshaft,wormalsoproduceaxialdisplacement,exceptrotatingcrankrotates,touchpiecesatthesametimealsoproducedaangulardisplacement,andoppressionCAM,maketheplateup,whentheoutputshafttorqueincreasestobookv
7、alue,theplateisupuntilthemicroswitchaction,cutoffpowersupply,motorandturn,torealizethecontrolofdrivedeviceoutputtorque・Thetravelcontrolmechanismconsistsofaseriesoftencarrygears,toppoles,CAMandmicroswitches,abbreviatedasacounter・Theprincipleofthemachineistheactivepini
8、oninthegearboxtodrivethecounterwork・Ifthecounterisinaccordancewiththevalveopenorclosepositionhasbeenadjusted,whenthecounterwiththeo
