1. CE, GOST certificate, Korea standard
2. Top3 Market share in China mainland
3. 6 branch plants, over 2000 workers and construction elevators. Our company was established in 1994, and became the top 5 manufacturers through the decades in China mainland. Our quality of products and sales share are always among the top3 in china, and our network of products already has extend to several continents such as, America, Southeast and West Asia and Africa.
QTZ100 tower crane is development of new building large tower crane of the MINGWEI group .The luffing system pull the pulley and changes amplitude at the level arm; The slewing system adopts planetary gear redactor with hydraulic torque limiting coupling, featuring high load bearing capability, smooth start, reliable work and windproof assembly performance. And The hoist boom adopts double rigid pull-rod to support. MINGWEI Tower Crane can be widely used in the construction of high-rise restaurants, residential buildings, high-rise industrial buildings, as well as warehouses and plants with large spans.
Tower Crane Model:QTZ100(TC5613)
Free Standing Height/Max. Height:45m/150m
Jib Length :3---56m
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: 17t/56m 15t/50m
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 |
Specification |
6X37-15-1770-I |
| Max. Attraction (N) |
20000 |
| Falls |
a=2 |
a=4 |
| Hoisting Speed(m/min) |
80.36 |
41.05 |
39.37 |
20.11 |
| Rated Load(t) |
2 |
4 |
4 |
8 |
| Min. Rate of Descent |
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 |
| Trolleying Mechanism |
Motor |
Model |
YDEJ132S-4/8 |
| Power(kW) |
4.5/3 |
| Wire Steel Rope |
Specification |
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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