Tower Crane QTZ400(TC7050)
Tower Crane QTZ400(TC7050)
  • Specification
Parameters: 
Rate a=2 a=4
Radius(m) 3——16.17 31 3——16.17 31
Lifting Capacity(t) 12.5 12.5 25 11.699
Radius(m) 40 50 40 50
Lifting capacity(t) 9.495 7.383 8.585 6.473
Radius(m) 60 70 60 70
Lifting capacity(t) 5.989 5 5.079 4.09
Technical performance table:
Classification group of mechanisms Hoisting mechanism M5
Slewing mechanism M4
Luffing mechanism M4
Rated load moment(KN·m) 4000
Lifting radius(m) Max. 70
Max.working height(m) Fixed type Attached type
2 falls 4 falls 2 falls  4 falls
73 73 275 180
Max. load capacity(t) 25
Hoisting mechanism model 110JLF63
Rate a=2 a=4
Load capacity(t) 1.25 3.125 12.5 2.5 6.25 25
Speed(m/min) 0-90 0-68 0-5.4 0-45 0-34 0-2.7
Power(KW) 110
Luffing mechanism Model 15JXF16
Speed(m/min) 0-62
Power(KW) 15
Slewing mechanism Model JH02BT5
Speed(m/min) 0-0.625
Power(KW) 7.5*3
Jacking mechanism Speed(m/min) 0.6
Power(KW) 18
Working pressure(Mpa) 40
Counter weight Jib length(m) 40 50 60 70
Conunter jib length(m) 24 24 24 24
Weight(t) 10.85 15.85 20.85 25.85
Weight Structure weight(t) 156
Total power(KW) 147.5(without jacking mechanism)
Working tempreture(℃) -20~+40


QTZ400(TC7050) tower crane is honrizontal jib, a kind of upper rotation, self-climbing and double-trolley luffing, double-hook, and is a kind of upper rotating and self-climbing tower crane with inverter for multipurpose. The max load is 25 tons. It applies to the construction of super high-rise building, large hydropower station, nuclear power station and bridge.
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