self jacking building tower cranes 25m boom length 0.8t tip load
Description of QTK20 fast erecting crane
The self-erecting range with 3t capacity and jib lengths up to 25 m is the result of a constant technological research.
They are cranes suitable for both road and containerized transport.
The erection is quick, carried out with simple and automated systems.
Specifications of QTK20 fast erecting crane
|
Model |
QTK20 self-erecting tower crane |
|
Type |
Fast self-erecting type |
|
Rated Lifting Moment(KN.M) |
200 |
|
Rated Loading Capacity(T) |
3 |
|
Max. Lifting Load(T) |
3 |
|
Tip Load(T) |
0.8 |
|
Free standing height(M) |
23 |
|
Span(M) |
25 |
|
Working range(M) |
2.4 to 25 |
|
Slewing speed(r/min) |
0.2/0.4/0.6 |
|
Trolley peed(m/min) |
0-25 |
|
Power supply |
380V/50Hz or according to client's requirements |
|
Power Capacity(KW) |
15.4 |
|
Hoisting speed(m/min) |
(a=2)40/20; (a=4)20/10 |
Features of QTK20 fast erecting crane
1. The inner mast can lock or unlock automatically when it has stretched or retracted in accurate position.
2. Jib can unfold or fold in the air automatically in the process of tower masts' stretching or retracting.
3. Tower mast stretching, jib unfolding and counter weight installation can be finished within the whole
range from 0° to 360°. It is the same to crane dismounting.
4. QTK20 quick assembling Crane is erected by a winch and a whole set of wire rope pulley system.
5. The hoisting system has a variable-pole-speed motor. It can shift working speed with load.
6. The slewing system has a hydraulic clutch and brake to ensure smooth start.
Self Erecting Process of this tower crane
