| Customization: | Available |
|---|---|
| After-sales Service: | 24 Hours |
| Warranty: | 1 Year, One Year |
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Topless Construction Tower Crane Qtz50 (PT4810)
1 Hoisting Mechanism <o:p>
Three-gear speed modulation by electrical motor or frequency conversion, giant winch. <o:p>
2 Rotation Mechanism
Speed modulation with frequency conversion, stable break, accurate position, outstanding on performance and operation all around the world. <o:p>
3 Lifting Mechanism
Speed modulation with frequency conversion, less concussion, stable operation. <o:p>
4 Control System
PLC control, auto diagnosis on electric malfunction, corresponding alarm on light and sound, key components adopting international top brand product.<o:p>
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<o:p>
Tower Crane Model: ToplessQTZ50(PT4810)
Free Standing Height/Max. Height:29m/120m
Jib Length : 30---48
Mast Section/Material:∠160×160×12/Q345B
Size of Mast Section, L×W×H:1500×1500×2200
Collar Ties Situation: Distance between first collar tie and the ground 22400mm
Other Distance 16500mm
Suspension Height no more than 20m
Balanced Weight /Jib Length: 7.1t/48m;6.04t/42m ;4.98t/36m
Total Power: 25.9Kw
Basic Parameters:
| Hoisting Mechanism |
Motor | Model | YZTD200L1-4/8/24 | ||||
| Power | kW | 15 | 15 | 4 | |||
| Reducer | Total Drive Ratio | i | 12.64 | ||||
| Drum | Rope Capacity | m | 280 | ||||
| Brake | Model | YWZ-250-40 | |||||
| Wire Steel Rope | Spec. | 6×37-11-1770-I | |||||
| Rope Max. Attraction | N | 16500 | |||||
| Lifting Speed | 2 Falls | m/min | 62 | 31 | 7.7 | ||
| 4 Falls | 30 | 15 | 3.8 | ||||
| Trolleying Mechanism | Motor | Model | YDEJ112L2-4/6 | ||||
| Power | kW | 2.2 | 1.5 | ||||
| Reducer | Type | Grade one | |||||
| Drive Ratio | 38 | ||||||
| Wire Steel Rope | Spec. | 6×19-6.2-1770-1 | |||||
| Rope Max. Attraction | N | 5600 | |||||
| Trolleying Speed | m/min | 22/33 | |||||
| Slewing Mechanism |
Motor | Model | YZR132M-6 | ||||
| Power | kW | 3.7 | |||||
| Reducer | Model | XX4-100.180 | |||||
| Drive Ratio | i | 180 | |||||
| Coupler | Model | YOX280A | |||||
| Rotating Speed | r/min | 0.63 | |||||
| Hydraulic Jacking System | Motor | Model | Y132M-4 | ||||
| Power | KW | 4 | |||||
| Rotating Speed | r/min | 1440 | |||||
| Hydraulic Pump Station | Model | YQY | |||||
| Working Pressure | MPa | 20 | |||||
| Oil Cylinder | Model | ||||||
| Jacking Speed | m/min | 0.4 | |||||
| Max. Jacking Force | t | 30 | |||||
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