4t30m Electric Hydraulic Telescopic Boom Marine Crane For Offshore Service Vessel
4t30m electric hydraulic telescopic boom marine crane for offshore service vessel
The telescopic box boom marine crane is supplied with a pedestal which should be welded onto the ship`s steel structure or counter foundation. The pedestal consist of a rolled steel pipe and a flange on which the crane housing with its slewing ring is placed. The telescopic boom crane is designed as an electro-hydraulic driven telescopic boom crane, with integrated electro-hydraulic power package or independent electro-hydraulic power package, delivered as a complete unit ready for installation to foundation. The crane is equipped with hydraulic powered winch, hydraulic powered luffing, hydraulic powered extension and hydraulic powered slewing system.
Technical spifieccation
| 1 | SWL | 4t@30m |
| 2 | Max working radius | 30m |
| 3 | Min working radius | 3m |
| 4 | Hosting speed | 0~12m/min |
| 5 | Slewing speed | 0.6r/min |
| 6 | Slewing angle | 360° free |
| 7 | Luffing time | 75s |
| 8 | Hook travel | 30m |
| 9 | DFT of painting | 320um |
| 10 | Extension time | 100s |
| 11 | Working condition | |
| Heel | ≤ 5° | |
| Trim | ≤ 2° | |
| 12 | Electric motor | |
| Power | 90Kw | |
| Speed | 1480r/min | |
| Power source | 440V 50Hz, | |
| Protect class | F | |
| Working type | S1 | |
| 13 | Flow | 100L/min |
| 14 | Design temperature | -10°~40° |
| 15 | Dead weight | ~26000 kg |
Load chart
General drawing
Photos of our factory
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