Tower Crane

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The working radiuses of this series tower crane vary from 30m to 70m, QTZ tower cranes are famous for their large operating ranges, varied working methods and wide uses. This series of tower cranes has a horizontal jib frame, a jib-trolley radius-changing mechanism and a hydraulic self-raising mechanism. It is original in design, reliable in operation and satisfactory in shape. Equipped with all necessary safety devices, these cranes show a good speed-control capacity, satisfactory operating stability and high work efficiency. They can be widely used for the construction of high-rise hotels, residential buildings, high-rise industrial buildings, large-span factory buildings and tower-like buildings like tall chimneys. Model QT-7035 QTZ-7020 QTZ-6516 QTZ-5518 QTZ-5515 Amplitude (M) 70 70 65 55 55 Independent Height (M) 53 50 50 46/52 50/50 Max. Height (M) 301 200 190 200 180 Max. Lifting Capacity (T) 16 12 10 8 8 Assistant Support Frame 11 7 6 6 4 Main Material 140*140*16 (angle steel welding) 140*140*16 (angle steel welding) 135*135*12 (square steel tube) 135*135*12 (square steel tube) 135*135*12 (square steel tube) Standard Mast Section Dimension 2.1*2.1*3 2.1*2.1*3 1.935*1.935*2.8 1.835*1.835*2.5 1.835*1.835*2.5 Lifting Speed (a=2)(m/min) 120/60 102/51 100/50 100/50 100/50 Slewing Speed (r/min) 0-0.7 0-0.7 0.61 0.6 0.55 Trolley Travel Speed (m/min) 0-80 0-80 60/30/10 60/30/10 60/30/10 Max. Lifting Moment (KNm) 3150 2000 1600 1250 1000 Working Temperature -20+40 -20+40 20+40 20+40 20+40 Undercarriage Form A: Mobile B: Chassis Station C: Outrigger Stationary A: Mobile B: Chassis Station C: Outrigger Stationary Four Landing Legs Without Ballast Type A. Cross-shaped beam with slanting strut and ballast Type B. Cross-shaped beam with slanting strut but no ballast Type A. Cross-shaped beam with slanting strut and ballast Type B. Cross-shaped beam with slanting strut but no ballast

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UK LEEFEE GROUP CO., LIMITED

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