tower crane

Specification of the tower crane:Model QTZ315 (7035) QTZ200 (7020) QTZ160 (6516) QTZ100A (5515) QTZ80A (6010,5512) QTZ63B (5610) QTZ31.5 (3883) (4075) (4264) QTZ40 (4708) (m) Amplitude 70 70 65 55 60 55 56 50 38 40 42 47 45 (m) Independent height 53 50 50 45 46 41 32 32.5 m Max.height 301 200 190 180 200 141 100 100 t Max lifting capacity 16 12 10 8 8 6 3 4 Assistant support frame 11 7 5 4 6 4 5 4 Main material 140^2×16 Angle steel welding 135^2×12 Square steel tube ()135^2×10,135^2×12 Reinforcingmast section steel 125^2×10 Angle iron160×12Angle ironStandard 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 1.835× 1.835× 2.5 1.5×1.5×2.4 1.5× 1.5× 2.5 Hoisting speed 0-120 0-102 100/50 100/50 80/40 80/40/8.5 53.7/26.8/ 5.2 76/38 Slewing speed (r/min) 0-0.7 0-0.7 0.6 0.55 0.65 0.62 0.77 0.77 Luffing speed (m/min 0-80 0-80 60/30/10 60/30/10 60/30/10 42/21 43.2/21.6 43.2/21.6