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China, Chinese New Type Topless Flattop Tower Crane PT7528-20t1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Tower CraneHammer-Head Tower CraneTower Crane for Construction
Jinan Sanyisan International Trading Co., Ltd.
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Product Description New Type Topless flattop Tower Crane PT7528-20t1). Reduce requirements of lifting equipment when install and dismantle tower cranes. Because there's no tower head, its unit quality is small, installing height is low, max. Installing height is lower 10m than same loading topkit tower crane. For topkit tower cranes, when assemble hoisting jibs, have to joint all jib frames, pulling rods and other accessories on the ground, then will be lifted compeletely, so that will need large capacity lifting equipment. Because connection of jib tip hinge pins, then can lift hoisting jib to connect pulling rod, easy to cause accidents. However, flat top tower cranes won't have such condition. Hoisting jibs of flat top tower cranes are 4m, 5m or 10m per section, take 50m jib as an example, its unit quality is 1/5 of whole jib, can be installed and dismantle in the air, that reduce requirements of lifting equipment when install and dismantle, can save freight of installing and dismantling, safer and quicker.2) Suitable for tower cranes group cross operation on the same construction site. Because no tower head, cross height can be reduced to 3m when two tower cranes cross operation, topkit tower cranes needs 10m at least. Less time of installing, lower capacity requirement of lifting equipment, less ballastings, smaller tower body and chassis.3). Suitable for special work sites. Because no tower head, efficent height of hook and space utilization is improved, so are suitable for special work sites, for example, building of airport, tunnel, workshop and work under high voltage, topkit tower cranes can't do that as flat top tower cranes.RFallsR(max)mC(max)Kg34404450546064707575415.6120000775162535397457240773460311426702300228.91000082516753589750724577396036143170280070415.982000079326407562646944190356132092757 229.491000084326907612651944690406137093257 60416.420000811665625767481843043664 230.0210000861670626267531848044164 50416.8200008304672259124945 230.5100008804722264125445 2. Technical parameter Mechanism working gradeHoisting mechanismM5Slewing mechanismM4Trolleying mechanismM4Radius (m)Min. 3.5Max. 75Height (m)FreestandingAttaching62200Max. load (t)18Hoisting mechanismHoisting speedFalls24Speed (m/min)0~700~350~200~350~200~10Load (t)2.551051020Min. descending speed (m/min)≤2.16Power (Kw)75Trolleying mechanismSpeed (m/min)0~60Power (Kw)7.5Slewing mechanismSpeed (r/min)0--0.8Power (Kw) Jacking mechanismSpeed (m/min)0.35Power (Kw)11Work pressure (Mpa)28Balanced weightMax. working radius (m)75706050Weight (t)27.624.922.218.4Total power (Kw)109(including jacking mechanism)Working temperature oC-20~+403. Parameters of four mechansims3.1 Technical parameter of hoisting mechanism Hoisting mechanism Max. pulling forceN45000Steel wire ropeSpecification 35Wx7-22-1960-1Max. line velocitym/min82DrumDia.m0.78Drum capacitym500(the twisting layer≤5)MotorModel YZPF280S-4-75KWPowerkW75Rotating speedr/min BrakeModel Braking momentN.m 3.2 Technical parameter of trolleying mechanism Trolleying mechanismItemUnitParameterMax.pulling forceN9000Steel wire ropeSpecification 6X19-11 -1770- IMax. line velocitym/min60Jib length75m jibmSteelwire ropeI150Steelwire ropeII9570m jibm1409060m jibm1208050m jibm10070Drum rotating speedr/min MotorModel YPBE160M-4-11KW-B5PowerkW7.5Rotating speedr/min Reducer ratio Braking momentN. m 3.3 Technical parameter of slewing mechanism Slewing mechanismMotorModelYLEWF112M-145-6 B5PowerN.m145Rotating speedr/min ReducerModel Reducer ratio 195Output rotating torqueN.m16000Output speedr/min Gear of output endModule m 12No. of teeth z 15Modification coefficient x +0.5Host total ratio Host rotating speed 3.4 Technical parameter of jacking mechanism Jacking mechanismMotorPowerkW11Rotating speedr/min Hydraulic pumpFlow ratel/min14.5Work pressureMpa28Jacking cylinderDia. Of cylinder/rodmm220/140Max. jacking forcet100Jacking speedm/min0.35
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