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Help Center12t QTZ250 Types of Tower Crane
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Specifications
types of tower crane1. Electronic element are from SIMENS.
2. POTAIN technology design.
3. Hammer head tower crane.
types of tower crane
1. Elements from Simens and Schneider are adopted in electrical system, performance of which is stable and reliable.
2. Main ports of tower crane is welded with CO2 gas protected welding and full-auto submerged arc welding that makes the stability of the whole machine be improved considerably.
3. The standard section of QTZ tower crane is manufactured using on-chip-type or standard section. Rotary uses double-slewing mechanism, hoisting mechanism is dragged by double-speed wound motor, run smoothly.
4. High working speed and efficiency, great speed-adjustment performance, and stable running;
5. Wide working range, various working methods, and great applicability;
6. The whole machine is of reasonable arrangement and beautiful in design;
7. Complete safety devices, all mechanism are equipped with brake device to ensure the safe and reliable running.
Model |
QTZ250(TC7021) |
Version |
Fixed type |
Free height |
50 meters |
Max height |
220 meters |
Max radius |
70 meters |
Jib end load |
3.0tons at 70 meters |
Max load |
12t at 17.04 meters |
Hoisting mechanism ↑↓ |
JT3 |
Drum capacity |
600 meters |
Lifting speed |
1.59m/min~80.5m/min |
Slewing mechanism |
HZ-250 |
Slewing speed |
0~0.68r/min |
Trolley mechanism ←→ |
BF-250 |
Trolley speed |
0~70m/min |
Power line voltage |
380V/50Hz |
Color |
Yellow |
Counter weight |
Steel-structured frame(without concrete) |
Mast section |
2×2×3m |
Mast section and Mast section connection |
By bolts |
Foundation bolt |
Included |
Cabin (with air condition) |
Included |
Telescoping cage |
Included |
Pump and cylinder |
Included |
Main cable |
Included |
Basic mast |
Included |
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