1 Hoisting Mechanism
Three-gear speed modulation by electrical motor or frequency conversion, giant winch.
2 Rotation Mechanism
Speed modulation with frequency conversion, stable break, accurate position, outstanding on performance and operation all around the world.
3 Lifting Mechanism
Speed modulation with frequency conversion, less concussion, stable operation.
4 Control System
PLC control, auto diagnosis on electric malfunction, corresponding alarm on light and sound, key components adopting international top brand product.
5 Security & Protection Mechanism
Besides security mechanism usually used in domestic tower crane adopted,MingWei tower crane adopted lots of advanced mechanism self-developed by MingWei, to keep the security of the tower crane and convenient operation, such as unique double tighten mechanism on lifting steel cable, anti-break mechanism on sliding vehicle, anti-drop
Tower Crane Model:QTZ50(TC4810)B
Basic Height/Max. Height: 29m/120m
Range: 30---48
Main Body Type/Material:∠160×160×12/Q345B
Cross Section of Mast Section×Height:1500×1500×2200
Adhesion Situation:Distance between first collar tie and the ground 22400mm
Other distance 16500mm
Suspension Height no more than 20m
Balance Weight/Jib Length:8.2t/48m;6.8t/42m
Total Power:25.9Kw
Hoisting Mechanism | Motor | Model | YZD200L1-4/8/24 | ||||
Power | kW | 15 | 13 | 3.5 | |||
Reducer | Total Drive Ratio | i | 12.64 | ||||
Drum | Rope Capacity | m | 280 | ||||
Brake | Model | YWZ-250-40 | |||||
Brake Moment of Force | N·m | 600 | |||||
Steel Rope | Rope Max. Attraction | N | 16500 | ||||
Specification | 6×37-11-1770-Ⅰ | ||||||
Lifting Speed | 2 Time Multiplying Power | m/min | 62 | 31 | 7.7 | ||
4 Time Multiplying Power | 31 | 15 | 3.8 | ||||
Swing Mechanism
| Motor | Model | YZR132M-6 | ||||
Power | kW | 3.7 | |||||
Reducer | Model | XX4-100.180 | |||||
Drive Ratio | i | 180 | |||||
Liquid Coupling | Model | YOX.280 | |||||
Rotating Speed | r/min | 0.6 | |||||
Jib Luffing Mechanism | Motor | MModel | YEZS112M-4/6 | ||||
Power | kW | 2.2 | 1.5 | ||||
Reducer | Type | Grade One | |||||
Drive Ratio | 38 | ||||||
Steel Rope | Specification | 6×19-6.2-1770-1 | |||||
Rope Max. Attraction | N | 5600 | |||||
Luffing Speed | m/min | 22/33 | |||||
Hydraulic System | Hydraulic Power Pack | Model | YQY Series | ||||
Working Pressure | MPa | 20 | |||||
Lifting Oil Cylinder | Model | 20.5 | |||||
Lifting Speed | m/min | 0.4 | |||||
Max. Lifting Force | t | 50 | |||||
Motor | Model | Y132M-4 | |||||
Power | KW | 5.5 | |||||
Revolving Speed | r/min | 1440 | |||||
