HDW绞车手册

HDW电控绞车手册LimitedWarrantyAllinformationisprovidedasanintendedguideonly.Itistheresponsibilityoftheusertodeterminethesuitabilityofequipmentforitsintendeduse.Thecontentsofthisguidearebelievedtobecorrectatthetimeofprinting.Themanufacturerreservestherighttochangethespecificationoftheproductoritsperformanceorthecontentsofthisguidewithoutnotice.Itistheresponsibilityoftheownerorusertoensurethattheinstallationofthisequipmentandthewayitisoperatedandmaintainedcomplieswiththerequirementsofapplicablelegislationand/orregulations.Themanufactureracceptsnoliabilityforanyconsequencesresultingfrominappropriate,negligentorincorrectinstallationoradjustmentoftheoperatingparametersoftheequipment,orfrommismatchingtheequipmenttotheconveyorsystemasawhole.Themanufacturer’sliabilityshallberestrictedtotherepairorreplacementofsuppliedequipmentduringthewarrantyperiodandspecificallyexcludesanylossofprofitsorconsequentialdamage.InnoeventshallACEConveyorsPtyLtd’sliabilitytoanypartyexceedthepurchasepriceoftheequipment.1578684335941绞车手册Page2of13INTRODUCTION简介AHDWwinchisanelectricalsolutionprovidingtensionforaconveyorlooptakeupsystem.TheHDWwinchconsistsofavariablespeeddriveandcontrolelectronicsconnectedtoamotor,gearboxandwinchdrum.Thebelttensionisvariedbyadjustingtheexcitationofthemotor,therebyvaryingthetorquetothewinchdrum.HDW绞车为胶带机储带张紧系统的张力控制提供了一种电气解决方案。该绞车包括变速驱动、与电机相连的电气控制装置、减速器及钢丝绳卷筒。该绞车通过调整电机转速使钢丝绳卷筒的输出扭矩产生变化从而对胶带的张力进行调节。TheHDWwinchprovidesprecisetensioncontroloftheconveyorbelt,usuallyadjustingtensionstowithin1kNofthesetpoint.Italsohasanexcellentdynamicresponse,withtheabilitytorapidlyacceleratebeyondsynchronousspeed.Inthestalledconditionitonlyneedstoexcitethemotortocreateaholdingtorquetherebyconsumingverylittlepower.AHDWwinchprovidessuperioraccuracyandperformanceoveralternativehydraulicorelectro-mechanicalsolutions.HDW绞车可对胶带张力进行精确控制，通常的张力调节范围可达到与设定值的偏差仅为1kN。同时，其出色的动态反应，具有快速加速超过同步速度的能力。在失速状态下，只需启动电机产生一个保持扭矩，从而使所消耗的电能达到很低的程度。HDW绞车出色的精确性和良好的性能远远超过了液压或机电形式的张紧装置。TheHDWwinchiscontrolledbyoperatingafeedbacktensionloop.Thebelttensionisreadusingdirectloadcellmeasurementofwinchropetension.Thecontrollerincorporatesallofthelogic,withtimingandsequencecontrol,necessarytostartthewinchdrivemotor,operatethewinchbrake,andstepthewinchtensiondowntoasuitablerunningtensionafterthestartsequencehasbeencompleted.Thecontrollerthenmaintainsthesettension,regardlessofconveyorinfluencesorsupplyvariations.HDW绞车通过操作反馈张力循环控制。采用张力计直接测出绞车钢丝绳张力并读出皮带张力。设定有时间及顺序控制的控制器可在需要时启动绞车驱动电机，操作绞车制动器，并在整个启动程序结束后，将绞车张力调整至适合胶带机正常运行的张力。控制器将保持其设定的张力而不受胶带机的影响和进料的变化。EQUIPMENT设备AtypicalHDWwinchconsistsofasingleHDWdrivemotorcoupledthroughaplanetarygearboxtoawinchdrum.TheHDWwinchmotorhasanauxiliarycoolingfantomaintaincoolingwhenthewinchmotorisstalled.Thereisalsoasmallauxiliaryhydraulicpumptoreleasethespringappliedwinchbrake.TheHDWdriveelectronicsishousedalongwiththecontrolequipment.Thefielddevicesassociatedwiththelooptakeup,suchasthetensionmeasuringloadcell,carriagelimitswitchesandbrakepressuresensorarealsoconnectedtothewinchcontrolenclosure.标准的HDW绞车包括单驱动电机及通过行星减速器与之相连的绞车钢丝绳卷筒。HDW绞车电机配有一个辅助冷却风扇，以使绞车电机失速时保持系统冷却。另外还配有一个用于释放绞车制动器弹簧的小型辅助液压泵。绞车驱动电子装置与控制设备一起装载壳体内。就地装置及张紧装置，如张力计、小车限为位开关及制动器压力传感器等也与绞车控制壳体相连。1578684335941绞车手册Page3of13AtypicalHDWwinchwilloperateoffathreephasesupplyat1140V,althoughothervoltagesareavailable.标准的HDW绞车的电压为三相1140V，也有其他等级的电压供选择。HDWWinchControllerHDW绞车控制器ThewinchcontrollerisanIP55enclosureprovidingthelocalcontrolfunctionsfortheoperationofthewinchandterminationoftheassociatedfieldinstruments.绞车控制器为IP55防护外壳，可提供用于操作绞车及终止相关就地装置的就地控制功能。TheHDWincorporatesaterminationpointfortheincomingsupply,circuitbreaker,winchmotorcontactor,auxiliarycoolingmotorcontactorandthewinchhydraulicpump,motorprotectionandassociatedinterlocks.HDW的电气接线包括电源、回路断路器、电机接触器、辅助冷却系统电机接触器、液压泵电机的保护及其他相关闭锁装置。Alocaloperatordisplayisprovidedtogiveatensionindicationforthewinchoperation.TheHDWincludestheabilitytoadjustbelttensionsandcontrolsetpointsasrequired.设备配备的操作显示器可显示绞车运行时的张力。HDW绞车具备按要求调整胶带张力及控制设定值的功能。Allfieldcontrolcircuitsareoperatedfromanintrinsicallysafesupplyensuringallfieldequipmentismaintainedatsafevoltagelevels.Electricalinterlocksonremovablecoversordoorsarefittedwhereappropriate.所有就地控制装置采用本安电源，以确保所有就地设备可以在安全电压范围内工作。可移动机盖或机门上的电气联动装置都已被妥善安装固定。Thewinchoperateswithfeedbacktensioncontrolincorporatingmeasurementofthelocalbelttensionusingaloadcellmountedinthewireropetermination.TheHDWwinchadjuststhemotortorqueinresponsetothismeasuredbelttension.Thewinchwilloperateatverylowspeedswhenonlyaminoradjustmentoftorqueisrequired.Whenarapidchangeintensionisrequiredtheoutputshaftacceleratesveryquicklytobeyondsynchronousspeedduetotheinherentlylowinertiaofthewinchdrivetrain.Thisprovidesanexcellentdynamicresponsetovariationsintensionduringtheconveyorstartingortheapplicationofload.Asthewinchisonlyshorttermloaded,themotorwindingsneverapproachtheirthermaloperatinglimit.绞车的张力反馈控制是通过连接在钢丝绳上的张力计来实现的。HDW绞车通过调整电机的输出扭矩来调节胶带张力。当需要的扭矩很小时，绞车的转速很底，当需要张力变化很大时，绞车的输出轴1578684335941绞车手册Page4of13加速很快，这样满足了胶带在负荷变化时的快速张力动态反应。由于绞车总是处于短时间的运行，因此电机绝不会达到过热的极限。