QTK20 quick assembling Crane

QTK20self erectedCraneisanewtypeoftowercranedevelopedbyInstituteofBuilding MechanizationChinaAcademyofBuildingResearch. QTK20isanentirelydeliveredandquicklyerectedmachineforverticalandhorizontaltransportation. Itissuitableforcivilianconstructionsfrom7to10storeys(10-11storeyswhenjibupwards, lessthan8storeyswhenjibislevel).Besides,QTK20canalsobeusedfortransportationand stackofgoodsinworkshops,freightyards,railstations,docksetc.Itisalsoakindofmobilehoisting andconveyingmachine Items Unit Value LiftingMoment kN·m 200 RatedLiftingCapacity kN 8-20 WorkingRadius(LevelJib/30°upwards) m 3-25/(21) HoistingHeight(LevelJib/30°upwards) m 23/35 Gauge*AxleBase m 3.2*3.2 Max.workingwindscale 6 DeadWeight t 10.5 CounterWeight t 12.5 TailRadius m 3 TravellingDistanceofCableDrum m 20oneachside RailModel kg/m 38,42 RatedPower(380V/50Hz/3P)(Optional) kW 18 ThemainfeatureofQTK20iseasytobequicklyerectedandbecompletelydelivered.WhentheQTK20isfolded,itcanbedeliveredtotheconstructionsitebyatruck,thenitcanbeselfassembled(includingoutertowermast'serecting,innertowermast'sstretchingfromoutermast,jib'sunfoldingandcounterweightinstallation)withinacertaintimebyitsownmechanismwiththeassistanceofonemobilecraneandtwoworkers. 3.1 Theinnertowermastcanlockorunlockautomaticallywhenithasstretchedorretractedinaccurateposition. 3.2Jibcanunfoldorfoldinthairautomaticallyintheprocessoftowermasts'stretchingorretracting. 3.3Towermaststretching,jibunfoldingandcounterweightinstallationcanbefinishedwithinthewholerangefrom0°to360°.Itisthesametocranedismounting. 3.4QTK20iserectedbyawinchandawholesetofwireropepulleysystem. 3.5QTK20canchangefromrailtravellingtofixedsupportsandviceversaaccordingtorequirements. 3.6Thejibcango30°upwardstoincreasethehoistingheightwithamaximumliftingcapacityof800kg,whenthetrolleycannotmove. 3.7Thehoistingsystemhasavariable-pole-speedmotor.Itcanshiftworkingspeedwithload. 3.8Theslewingsystemhasahydraulicclutchandbraketoensuresmoothstart. 3.9Thesafetydevicesarecomplete,sensitiveandreliable.