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QTZ 125 Tower Crane

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  • Product Name:QTZ 125 Tower Crane
  • Model:QTZ 125
 

Main Specifications of Tower Crane:

Technical performance QTZ   125
Name
Unit Parameter
Load moment Kn.m 1250
Max. load weight t 8
Hoisting height(free mode) m 52
Hoisting height(attached mode) m 200
Slewing speed m/min 0.6
Radius changing speed m/min 60/30/9.5
Climbing speed m/min 0.4
Hoisting speed r/min 50/100
Min. load-lowering speed m/min 4
Outline dimension From jib end to slewing center m 51.4 56.4 61.4
From counter jib end to slewing center m 14.2
Counter weight kg 16100 17600 19100
Electrical motor power kw 44.8
Max. working wind pressure N/m2 250
Non-work wind pressure N/m2 800
Permitted working temperature -20~+40
Mechanism load ratio Hoisting mechanism M5
Slewing mechanism M4
Towing mechanism M4
Hoisting mechanism Electrical motor Model YZDW250-8/4
Output(kW) 37/37
Rotation speed(r/min) 716/1400
Reducer Central distance(mm) 600
Transmission ratio(i) 16
Steel cable Configuration 6*19W-14.5-170-I
polished- right-twisted
Max. traction(N) 20000
Drum Cable capacity(m) 480
Layers 4
Ratio a=2 a=4
Load weight(t) 3 3 1.5 6 6 3
Hoisting speed (m/min)   8.5 40 80 4.25 20 40
Slewing mechanism Electrical motor Model YZR132M2-6
Output(Kw) 3.7*2
Rotation speed (r/min) 908
Reducer Model XX4-100-195C-001
Transmission ratio (i) 195
Fluid coupling Model YOX-280A
Output gear parameter Modulus (m) 12
Tooth quantity(Z) 17
modification coefficient (X) 0.5
Slewing ring One line, 4 points touching, ball mode slewing bearing Model 011.45.1400
Modulus(m) 12
Tooth quantity(Z) 133
Hydraulic system Model   QT80-1
Electrical motor Model Y132M-4B5
Output(kW) 5.5
Working pressure(MPa)   25
Elevating cylinder Model YG160/110*1600
Stroke(mm) 1600
Install distance(mm) 2100
Cylinder diameter(mm) 160
Diameter(mm) 110
Max. elevating force(t) 50
Radius-changing mechanism Electrical motor Model BF120-4/8/24
Output(kW) 5/2.5/1
Rotation speed(r/min) 1370/700/200
Steel cable speed Low speed(m/min) 9.5
Medium speed(m/min) 30
High speed(m/min) 60
Electromagnetic break Working pressure 24V.D.C
Steel cable Model


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