QTZ80 tower crane is new designed self-erecting top slewing tower crane.
1. Advanced technical parameters
2. Good looks, popular in China and the world.
3. Various working ways, stationary, external climbing and inner climbing types, is widely used in different construction sites.
4. Speeds of trolleying and slewing mechanisms are high, good speed adjusting performance, excellent stability.
5. Imported electronic control system, service life is 3-4 times than national assemblies, less faults, simple maintenance, reliable work.
6. Light structure, good stability, convenient transportation; Mast sections are integral angle steel welding, safe and reliable. Advanced mechanisms, equipped with various safety devices, mechanical or Mechatronics products work in wretched conditions to keep tower cranes work well.
7. Equipped with excellent safety devices produced by world-class technology, including weight limiter, moment limiter, height limiter, radius limiter, slewing limiter, slewing and trolleying brakes.
We are Chinese manufactory for tower crane with competitive price and good quality.
Tower Crane Model:QTZ80(5513)
Free Standing Height/Max. Height:45m/150m
Jib Length :3---55m
Mast Section/Material: Square Tube 135×135×12/Q345B
Size of Mast Section, L×W×H: 1835×1835×2500
Collar Ties Situation: Distance between first collar tie and the ground 35000mm
Other Distance 25000mm
Suspension Height no more than 25m
Balanced Weight /Jib Length: 16.32t/55m
Total Power: 46.2Kw
Basic Parameters:
| Mechanical Factor |
Hoisting Mechanism |
M5 |
| Slewing Mechanism |
M4 |
| Trolleying Mechanism |
M4 |
| Hoisting Mechanism |
Motor |
Model |
YZRDW250M1-4/8 |
| Power(kW) |
30/30 |
| Height Limiter |
Model |
FKDX-G |
| Wire Steel Rope |
Spec. |
6X37-15-1770-I |
| Max. Attraction (N) |
20000 |
| Falls |
a=2 |
a=4 |
| Lifting Speed(m/min) |
80.36 |
41.05 |
39.37 |
20.11 |
| Rated Load(t) |
2 |
4 |
4 |
8 |
| Min. Rate of Descend |
m/min |
≤7 |
| Slewing Mechanism |
Motor |
Model |
YZR132M2-6 |
| Power(kW) |
3.7×2 |
| Rotating Speed(r/min) |
908 |
| Reducer |
Model |
XX4-100.180 |
| Drive Ratio |
180 |
| Coupler |
Model |
YOX280A |
| Rotating Pinion |
Modulus m |
12 |
| Number of Teeth z |
16 |
| Modification Coefficient |
+0.5 |
| Rotating Speed |
r/min |
0.64 |
(Continued)
| Slewing Bearing |
Single row four-point contact ball slewing bearing |
Model |
011·45·1400 |
| Modulus m |
12 |
| Number of Teeth z |
131 |
| Hydraulic Jacking Mechanism |
Motor |
Model |
Y132M-4B5 |
| Power(kW) |
5.5 |
| Rated Oil Cylinder Working Pressure |
Mpa |
25 |
| Max. Jacking Force |
t |
50 |
| Oil Cylinder Stroke |
mm |
1600 |
| Locating Distance |
mm |
2070 |
| Oil Cylinder Diameter |
mm |
φ160 |
| Oil Cylinder Piston Diameter |
mm |
φ110 |
| Jacking Speed |
m/min |
0.4 |
| Trolleyinh Speed |
Motor |
Model |
YDEJ132S-4/8 |
| Power(kW) |
4.5/3 |
| Wire Steel Rope |
Spec. |
6×19-7.7-1550 |
| Reducer |
Model |
BL22-43-3.3 |
| Drive Ratio |
43 |
| Trolleying Speed |
m/min |
44/22 |
Audited Supplier 
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