Our main products are: tower crane series, topkit tower cranes, topless tower cranes and luffing tower cranes: QTZ10, QTZ20, QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ125, QTZ160, QTZ315, QTZ260, QTZ400 and QTZ500. The lifting capacity is from 3T to 50T; Concrete machinery, such as mobile concrete mixing plant, stationary concrete plant from 25m3/h to 180m3/h; trailer concrete pump with both electrical and diesel engine; construction hoists with both single cage and double cages from 1 T to 4 T and other spare parts of tower cranes and construction elevators.
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 | |||||