Highlight:
8000kg Roof Derrick Crane Install on the top Building for internal Tower Cranes
Introduction of QD80 Derrick Crane
1. The Derrick cranes is fixed to the roof.
2. The base is then attached to the slewing unit that allows the crane to sewing.
3. On top of the slewing unit there are two main parts which are: the long jib, shorter counter-jib,
4. The long jib is the part of the crane that carries the load.
5. The crane operator either sits in a cab at the top of the tower or controls the crane by radio remote control from the ground.
6. The lifting hook is operated by the crane operator using electric motors to manipulate wire rope cables through a system of sheaves.
Specification of QD80 Derrick Crane
| Model |
QD80 (1840) Derrick Crane |
| Working Radius (m) |
18 |
| Max. Load Capacity (T) |
8 |
| Tip Load (T) |
4.0 |
| Height (m) |
150 |
| Hoisting Mechanism |
Speed (m/min) |
80/40 40/20 |
| |
Motor power (kw) |
30/30 |
| Slewing Mechanism |
Speed (r/min) |
0-0.6 |
| |
Motor power (kw) |
2*3.7 |
| Trolleying Mechanism |
Speed (m/min) |
0-15 |
| |
Motor power (kw) |
26 |
| Total Power (kw) |
63.4 |
| Power Supply |
380V/50Hz, 220V/60Hz or according to clients needs |
Feature of QD80 Derrick Crane
(1) Reasonable structure for less costing and maintenance.
(2) Favorable performance to improve your working capacity.
(3) Smooth starting and stopping to improve you security sense.
(4) Low noise, commodious cabin and good view can make you happiness operating and accurate operating.
(5) Credible electric parts to guarantee the crane safety in operating.
Safety device of QD80 Derrick Crane
(1) Weight overload protection device
(2) Lifting height limit device
(3) Voltage lower protection function
(4) Phase sequence protection function
(5) Emergency stop function
Why choose us
1. A professional tower crane supplier in China with 15 years experience
2. Exported to more than 20 countries with ISO9001 & CE & GOST Certifications
3. Hydraulic self-climbing mechanism
4. Variable-frequency slewing mechanism
5. Varialbe-speed frequency PLC control System
6. Operation data display screen and Safety monitoring system (Black Box)
7. Various safety devices
Photos of QD80 Derrick Crane
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