China New Marine Knuckle Boom Hydraulic Boat Deck Crane for Sale, Find details about China Offshore Oil Platform ABS Ship Deck Crane, Heavy Duty Marine Knuckle Boom Crane from New Marine Knuckle Boom Hydraulic Boat Deck Crane for Sale
Cargo Marine Handling Port Crane
Telescopic boom cranes can be hydraulic extended and retracted without a knuckle function.These cranes should always be executed with a hoisting winch installation.
1.Telescopic Marine Crane is composed of base, arm frame, tower, hydraulic winch,telescopic oil cylinder, Amplitude oil cylinder, hydraulic rotary mechanism, operating platform, hydraulic transmission parts, electric controlling part and etc.
2.The base is cylinder structure, can be welded on the deck, also can connect with deck by high strength bolts. Connection mode must to be marked.
3.Arm frame and tower are box structure. Hydraulic winch controls the goods rising and drop. Telescopic oil cylinder controls level the telescopic crane boom. Amplitude oil cylinder controls goods correct hook-on point and landing point.
4. Swing mechanism for controlling crane turning right or left turn. Operation platform is used for operation and maintenance debugging. Hydraulic transmission parts for the system to provide pressure oil; The electrical control system mainly control motor stops,operation.
Technial Specification:
SWL | 25ton |
Max working radius | Max 35m |
Min working radius | 6m |
Heel/trim | 50/20 |
Hoisting speed | 0-20m/min(<=25t)& 0-40m/min(<=10t) |
Slewing speed | 0.5r/m |
Slewing angle | <3600(with limited) |
Luffing time | 100s |
Hoisting height | 45m |
Pressure | 25Mpa |
Power source | 380v50hz3p |
Grab bucket | 12m3 |
Maximum opening size | 5.3m |
Max height | 5.2m |
Head size | 3500*2450mm |
Total Weight | ~78ton(with grab) |
The availability of a telescopic or fixed jib extension on a telescopic boom is not only easy to attach and use, but it makes it possible to extend the reach of the crane boom by as much as 40 meter. With a jib, boom cranes are capable of reaching boom lengths as tall as 35 meter, which is very beneficial when placing loads at height or lifting personnel by using a basket.
Cargo Marine Handling Port Crane
1. Compact design
2. Small footprint
3. Delivered as one complete unit ready for installation to vessels
4. Easy access for periodic maintenance, service and repair
5.24 hours after-sales service support.
Configuration Options
Standard equipment
# 360 C* continuous rotation.
# -10 C*----+45 C* working temperature.
# certified A36 & S690 steel structure.
# pedestal ready for mounting or weld to vessel main structure .
# stainless steel grease nipples.
# precise step less speed control.
# simultaneous operations of 2 or more function.
# emergency for hydraulic stop device.
# visual and audible warning alarm.
Optional equipment
# lower temperature package up to -40 C*.
# certification for personal lifting.
# wireless remote control
# operator cabin with AC and heating.
# ATEX package and certification.
# man riding winch.
# centralized grease system.
# multiple setting of load limiting system.
# automatic overload protection system .
# warning and working lights.
# load indicator system.
# other upon request.
Rotatory Motor
offer capacities of high pressure and high torque in the wide of applications.
Advanced design in disc distribution flow, which can automatically compensate in operating with high volume efficiency and long life, provide smooth and reliable operation.
Control Valve
Our marine crane use hydraulic control valve ,DANFOSS,HC or LEDUC.
Can provide Continuously variable speed operation
Achieve precise control of the crane
Suitable for long-term use at sea
After-sales guarantee
Hydraulic Pack
SIEMENS or ABB motor are chosen with IP5 level of protection. It can bear water from any direct and has a stable power output it more reliable and safe than others and can work in high temperature and low temperature environment.
Slewing Bearing
Slewing bearing is equipped with a leak tight seal between the rotary rings, to prevent water and dust entering the tracks. All our rotation bearings screws tightened by highest standard dynamo metric bolt so it's very safe.
Electric Control Case
We use French Schneider it can bear a long working time and high or low temperature so it's have a long service life and safe on the sea.
Please provide following necessary information,so we can quote right Model crane.
1. What kind of marine crane do you need(stiff boom crane, telescopic boom crane knuckle boom crane knuckle telescopic crane or folding boom crane )
2. Crane SWL requested(___ T/___M)
3. Max. working radius of the crane(___M)
4. The crane will be used on ship, offshore platform or fixed platform (motor 380V or 440V)
5. If you have any other special request for the crane, please advise us, we will design the suitable model for you.