Offshore Lattice Boom Crane - 80 Ton - New for Sale
Offshore Lattice Boom Crane for sale
New Offshore Crane for Sale
Offshore Lattice Boom Crane- 80 ton
General Specification
Slewing Angle : 360º(Continus)
Slewing Speed(Full Load) : 0~0.6rpm
Luffing Time(Full Load) : 150s Up/down
Luffing Angle : +15° ~ +82°
Parking Angle : -10° ~ +15°
Operator Cabin : Left Side
Main Winch Data
Lifting Capacity(SWL) : 80T@13m,6T@45m,See Loading Chart;
No. Of Fall : 4
Working Radius : 9.2m(Min) / 45m(Max)
Main Lifting Speed(0-80T) : 0~6m/min
Main Lifting Speed(0-40T) : 0~18m/min
Hook Travel : 60m
Aux Winch Data
Lifting Capacity(SWL) : 5T@47m, Man Riding :1.5T
No. Of Fall : 1
Working Radius : 10.2m(Min) / 47m(Max)
Main Lifting Speed(Full Loading) : 0~90m/min
Lifting Height : 62m
Note :
All operational speeds stated above are based on average volumetric efficiencies
provided by our suppliers of hydraulic components. A speed variation tolerance
of +10% to -5% is within the accepted range and should be taken into consideration.
Hydraulic Arrangement
Hydraulic Systems
The hydraulic transmission will be designed for optimum performance within the
constraint of available horsepower. High pressure hydraulic system uses power more
efficiently and applies power as needed.
All motions controls offer infinitely variable speed and full reversing characteristics.
Two full flow filters will be installed. The filter(s) will be adequately sized for full flow
operation without causing pump cavitation. Replaceable wire mesh filter cartridge of
minimum absolute value of 40 micron will be used. The pumps will have overflow suction
independent of the reservoir, and the arrangement of piping can avoid air pockets.
Hoisting Circuit
Each winch is driven by a common open loop hydraulic system including piston pump,
piston motor and epicycles gearbox. Each winch is fitted with oil immersed, multi-disc
and dynamically rated “fail safe” brake.
The fixed displacement hoist motors offer a constant operating speed.
Slewing Circuit
The slew circuit is driven by a common open loop hydraulic system. Dynamic braking
of slewing is by means of hydrostatic compensation. Similarly positive locking brakes
are fitted in the circuit and used as static brake.
Luffing Circuit
Luff circuit is driven by a common open loop hydraulic system. Each winch is fitted with oil
immersed, multi-disc,dynamically rated “fail safe” brake. an additional luff ratchet cylinder is
included, providing a positive means of locking the luff drum whenever the prime mover is
shutdown.
Hydraulic Piping
1. Pipes: No pipe threads will be used for the high-pressure lines larger than 3/8". Hydraulic
components that have pipe threaded ports lines will have a minimum working pressure 300PS. .
2. Pipe fittings: Zinc plated mild steel material. External fittings are painted and protected by
Denso tape or equivalent against corrosion.
3. Hoses: High rubber quality for best resistance against sunlight and salinity, Wire breaded
for applicable specified hydraulic pressure ratings
4. Hose couplings: Zinc plated mild steel material, External couplings are painted and
protected by Denso tape or equivalent against corrosion.
Hydraulic Oil Tank
1. Level gauge with isolating valve (to top cover)
2. Inspection and cleaning cover
3. Filter with fine mesh stainless steel strainer and ventilation
4. A relief valve will be installed in the discharge line of pump.
Cooling Circuit
The air-oil heat exchanger will be provided and sized to ensure continuous operation of
the crane under the ambient temperatures given on the data sheets.
Electric Arrangement
Standards, Codes and Protection
Refer to Codes Of Practice and Standards. The electrical systems onboard the crane
complies with these standards for good offshore electrical design and engineering practices.
Standard Lighting
The following are provided as standard lighting packages for the crane. More lights can be
added according to client's request.
Description : Aviation Warning Light
Quantity : 1
Size : 85W
Location : Boom Tip
Power Supply : UPS
Description : Aviation Warning Light
Quantity : 1
Size : 85W
Location : Mast
Power Supply : UPS
Description : Florescent Access Light
(with 90 min back-up battery)
Quantity : 2
Size : 2 x 36 W
Location : Access Way Outside Cabin
Power Supply : Main
Description : Florescent Access Light
Quantity : 2
Size : 2 x 36 W
Location : Machinery House
Power Supply : Main
Description : Florescent Access Light
(with 90 min back-up battery)
Quantity : 1
Size : 2 x 18 W
Location : Cabin
Power Supply : Main
Description : High Pressure Sodium Floodlight
Quantity : *
Size : 400 W
Location : Boom
Power Supply : Main
Power Supply
Main Power Supply : 415 VAC , 03 Phase , 50Hz
Uninterrupted Power Supply : 230 VAC , 01 Phase , 50Hz
Others
Junction box(es) is provided at the pedestal interface for connection to client supply.
By default only SS316 junction boxes are installed onboard.
Generally cable wires will be multi-stranded copper and protected against mechanical
damage. All power and control cables are with XLPE/EVA/GSWB/EVA construction.
Occasionally able of XLPE/EVA/CWB/EVA is used when big power cable is part of the
design. All electrical lines are tagged accordingly for ease of maintenance.
All outdoor equipments and instruments are Ingress Protected IP56. Indoor equipments
and instruments are rated with IP44 as minimum.
Ordinarily, the power supply for crane is transmitted from pedestal to slewing platform
through the centre slip ring to ensure the crane can work at any angle.
Controls and Instruments
Cabin
:
The following instruments are arranged on the console to permit the operator to maintain an
uninterrupted view of the loads and instrumentation. The two(2) motion controls joysticks
designed according to API-2C, are ergonomically correct and easy to handle. All instruments
are clearly labeled.
1. Motion Control Joysticks:
2. “Dead-Man” Type
- Position sensitive with motion and speed infinitely variable and proportional to movement
from spring-return central position.
- Luff and slew (single left) joystick
- Main and auxiliary hoist (single right) joystick
- Prime Mover Start/Stop Switch
- Prime Mover Emergency Shutdown Switch
- Slew Brake Control Lever for option
- Safe Load Indicator System
- Visual and Audible Annunciator Panel
- Boom Hoist Down Override Switch
- Pressure Gauges: Boast Control / Hoist / Slew / Luff
- Electrical Switches:
- Lighting
- Windshield Wipers & Washer
- Warning Horn
- Air Conditioning
- Main and Auxiliary Hoist selector
- Tachometer
Hoist Mechanisms
Hoist Winch Data
Feature : Hoist Drum
Description : Material
Details : Cast Steel
Remark : 100% NDT
Description : Groove
Remark : Reeving not over 3 layers
Description : Support End
Details : Anti-friction Bearing
Feature : Braking
Description : Type
Details : 1 x Band Brake
Remark : Asbestos free lining, for man riding winch only.
Details : 1 x Multi-disc Brake
Remark : Positive Locking
Details : 1x Load valve
Remark : As dynamic Brake
Description : Safety Factor
Details : Minimum 2.0
Feature : Rope Anchors
Description : Type
Details : Bolted rope clamp
Remark : For ease of rope replacement
Description : Safety Factor
Details : Minimum 1.1
Remark : Ensures rope breaking strength when over loaded
Feature : Ratios
Description : Drum to Rope
Details : Min.19 : 1
Remark : Drum pitch diameter over rope diameter
Feature : Safety
Description : Drum flange beyond top layer
Details : 2.5 x rope diameter
Remark : To avoid rope jumping out of drum unintentionally
Description : Fleet angle
Details : < 2.5⁰
Remark : Ensures smooth and even rope spooling at all times
Description : Dead turns on the drum
Details : Min.5
Remark : Amount of rope that is not in used even at the
maximum hoist reach of the crane
Luffing System
Anti-backward limit is used to prevent the boom over luffing in order to protect boom.
Feature : Hoist Drum
Description : Material
Details : Cast Steel
Remark : 100% NDT
Description : Groove
Remark : Reeving not over 3 layers
Description : Support End
Details : Anti-friction Bearing
Feature : Braking
Description : Type
Details : 1x Load valve
Remark : As dynamic Brake
Details : 1 x Multi-disc Brake
Remark : Positive Locking
Details : ratchet and pawl
Remark : Luffing locking device
Description : Safety Factor
Details : Minimum 2.0
Feature : Rope Anchors
Description : Type
Details : Bolted rope clamp
Remark : For ease of rope replacement
Description : Safety Factor
Details : Minimum 1.1
Remark : Ensures rope breaking strength when over loaded
Feature : Ratios
Description : Drum to Rope
Details : Min.19 : 1
Remark : Drum pitch diameter over rope diameter
Feature : Safety
Description : Drum flange beyond top layer
Details : 2.5 x rope diameter
Remark : To avoid rope jumping out of drum unintentionally
Description : Fleet angle
Details : < 2.5⁰
Remark : Ensures smooth and even rope spooling at all times
Description : Dead turns on the drum
Details : Min.5
Remark : Amount of rope that is not in used even at the
maximum hoist reach of the crane.
Boom Luffing-in limit buffer
Mast
The Luffing sheaves are placed on the mast (A-frame) which is fitted with a top platform
for maintenance and inspection of the mast head sheaves, luff hoist rope and anchor
connections. Access to the Top Platform is by ladder from the machinery deck. The
mast is pin connected to the machinery deck.
Bridle
N/A
Slew Mechanisms
Slew Bearing
Brand- ROTHE-ERDE XUZHOU or equivalent
Rolling Element- Triple Cylindrical Roller
Lubrication
- Grease holes in diagonal orientation in outer ring
- Lubrication lines are fitted on the machinery deck for refilling grease into the bearing
Slew Drive
Type- Fixed displacement hydraulic motor
Gearbox- Epicyclical
Brake- Oil immersed multi-disc brake(s)
Operating Conditions- Slew design wind speed 24m/s
Pinions- Four(4)
Emergency slewing is possible with one (1) pinion
Boom
Length- 45M & 47M
Type- Reinforced Lattice Structure
Pins- High Tensile
Connectors- Cast Steel
Welding Test- NDT 100% MPI, 100% UT/RT
Boom Top Platform- Both Sides
Safety
Hardwood blocks- To prevent rubbing of ropes on boom bracing damaging paint and
cause unnecessary rusting.
Walkway paths- 760mm wide grating along and inside of boom for maintenance access
Handrails- Along boom section
Boom Bottom
Type- Reinforced Lattice Structure
Material- High tensile low alloy low carbon seamless chords with mild steel bracings
Boom Intermediate Section
Type- Reinforced Lattice Structure
Material- High tensile low alloy low carbon seamless chords
Boom Head
Type- Reinforced Lattice Structure
Material
- High tensile low alloy low carbon seamless chords
- With Mild Steel Bracings
- High Strength Steel Head Plate
Reeving System
Sheaves
Materials- Steel
Processing Technique- Cast
Ratio- 20 : 1 (Sheave diameter / Rope diameter)
Lubrication- Lubrication through sheave pin
Bearing- Heavy duty sealed cylindrical roller
Ropes
Rope Size (mm)
Main Hoist and Auxiliary Hoist : Minimum 5.0
Luff Hoist and Pendant : Minimum 4.0
Rotation Characteristic -
Main Hoist and Auxiliary Hoist : Non-Rotating
Luff Hoist : Low Rotation
Pendant : Non-Rotating
Construction -
Main Hoist and Auxiliary Hoist : RH and WSC
Luff Hoist : RH and IWRC
Pendant : WSC
End Connections : Solid Thimble
Finishing : Compacted and Galvanized
Hooks
Basic design factor of the hook is more than 4.0. The hooks are made of cast
steel and tested to -40°C, or -6°C below lowest design temperature. All hooks
come with lockable safety latch and swivel bearings. Hook blocks will be of
significant weight to prevent unraveling of rope while unloaded.
Machinery Deck
Machinery Turret
Basic design factor of the hook is more than 4.0. The hooks are made of cast
steel and tested to -40°C, or -6°C below lowest design temperature. All hooks
come with lockable safety latch and swivel bearings. Hook blocks will be of
significant weight to prevent unraveling of rope while unloaded.
Operator Cabin
Structure- 5 mm steel plate
Floor Area- 1685mm x 1300mm
Position- Port of crane
Acoustic Shield- Noise level during operation ≤ 75 dBA
Weather Shield- Complete sealed through for water runoff
Visionary
Forward Windows- Clear Safety Glass
Side Windows- Clear Safety Glass; open-able
Rear View Mirror- N/A
Safety Equipment
Safety Bar- Front & side windows to prevent accidental fall
Horn- Electric warning horn
Fire Extinguisher- 1.5kg Dry Powder
Accessibility
Headroom- 2.1 meters
Door- Side slip door with lock
Maintenance
- Removable panels for access to cables & hoses
- Rooftop access for air conditioner maintenance
- Side access to front of cabin for window clearing and wiper replacement
Other Accessories
Chair- Fully adjustable cushioned type
Hour Meter- Digital / Analog
Communication-
Equipment (PA Speakers Telephone set, VHF/UHF radios and lound speaker with
microphone system) free issue by shipyard.
Control Console- See Controls and Instruments
Power- Power socket
Lighting- See electrical system
Windshield Wiper- Electrical type
Air Conditioning- Roof top unit
Engraved Stainless Steel Plate
- Design certified load chart
Rope specification chart
- API monogram
Prime Movers
Prime Mover Data – Diesel Engine
Brand : Caterpillar
Model : 3406
Rating : 345KW @ 1800RPM
Starting System
-
Primary Battery : Attempts x seconds
Secondary : Attempts x seconds
Drive Output
-
Primary Battery : Splitter Gearbox
Consumables
-
Primary Battery : Fuel Grade
Secondary : ASTM D975 No.2-D Diesel fuel or equivalent
Primary Battery : Coolant
Secondary : ASTM D4985 or equivalent
Primary Battery : Lubrication
Secondary : API CG-4 oils or equivalent
Prime Mover Sizing
The prime mover is appropriately sized for the following conditions:
1 operation @ full load with full speed
Safety Features
Cabin
An annunciator is mounted in the cabin to alert the operator of possible risky
crane operation to avoid unfavorable incidents. This will be a solid state unit “first out” alarm
sequence giving both audible and visual warning and fitting with test and acknowledgement buttons.
The audible and visual alarming signals are provided as following :
- High Return Pressure(filter jammed)
- Hoist Up Limit
- Hoist Down Limit
- Luff Up Limit
- Luff Down Limit with override for stowing
- Engine Overspeed
- Engine Water High Temperature
- Engine Lube Oil Low Pressure
- Engine Fuel Low Pressure
- Hydraulic Temperature High
- Hydraulic low level
Powerpack
The following are provided at the power pack for status monitoring:
- Engine Lube Oil Pressure Gauge- Engine Lube Oil Temperature Gauge
- Engine Fuel Pressure Gauge- Engine Water Temperature Gauge
- Engine Tachometer- Engine Emergency Stop Button
- Fuel Tank Level Switch- Hydraulic Oil Level Gauge
- Hydraulic Pump Cavitations- Hydraulic Pump Filter Indicator
Crane Operation Limit
Limit switches are provided to define safe working limits of all crane operations
including hoisting and luffing.
Operation : Main/Aux. Hoist
Detection Level : Upper Working Limit
Action : Stop Up Motion
Deactivation : Hoist Down
Detection Level : Lower Working Limit
Action : Stop Down Motion
Deactivation : Hoist Up
Operation : Boom Hoist
Detection Level : Lower Working Limit
Action : Stop Boom Down Motion
Deactivation : Boom Up or Override for Stowing
Detection Level : Upper Working Limit
Action : Stop Boom Up Motion and A&V warning
Deactivation : Boom Down
Detection Level : Ultimate Up Limit
Action : Stop Boom Up Motion and A&V warning continued
Deactivation : Boom Down
Luff-in decelerator and stop in limit is controlled by the incoming boom and provides gradual
deceleration until minimum radius. Operation shutdown occurs and luff brakes automatically
engage overriding the manual control in the operator cabin.
Safe Load Indicator
The Safe Load Indicator will provide the following to the operator:
- Crane rated capacity (T)
- Actual load on hooks (T)
- Boom radius (meters)
- Boom angle (Deg rees)
- Visual alarm at 90% SWL
- Intermittent horn at 100% SWL
- Loud continuous horn at 105% SWL
- Overload cut off switch
- Mechanical boom angle installed at the boom where visible from operator cabin
Standard Practises
- All ladders are welded with square rungs in diamond orientation with ladder cages.
- All handrails are made of galvanized pipe 48.3mm OD, except those on boom sections
for weight saving purposes
- Cable trays are SS316 perforated. Cables and hoses are secured with SS cable ties.
- All machined pins, end covers, and small adaptors are zinc plated to approximately 15
micron thickness.
- All fasteners M12 and below used are SS304. All fasteners above M12 are Grade 8.8 or
equivalent, fluorocarbon coated.
- Slew bearing fasteners are ISO Grade 10.9, fluorocarbon coated
- Clear labels on all critical equipment onboard
- SS304 and/or white traffolyte with black inscriptions are chosen as standard for labeling
Surface Treatement
External Treatment
:
Pedestal, crane house and boom -
- Surface preparation to ISO 8501-1, SA 2.5
- First coat zinc rich epoxy primer to 50 µm dry film thickness
- Second coat two pack epoxy to 100 µm dry film thickness
- Third coat polyurethane finish to 65 µm dry film thickness
- Total : three coats to 200 µm dry film thickness
Internal Treatment
:
Pedestal and crane house -
- Surface preparation to ISO 8501-1, SA 2.5
- First coat zinc rich epoxy primer to 40 µm dry film thickness
- Second coat two pack epoxy to 75 µm dry film thickness
Oil tank (integrated in crane house) -
- 16.2.2.1 Surface preparation to ISO 8501-1, SA 2.5
- 16.2.2.2 First coat zinc rich epoxy primer to 40 µm dry film thickness
Boom
-
No treatment as fully closed steel box structure
Price & terms : Please enquire using the email form below.
If you cannot find the vessel, crane, rig or equipment that you need,
please send us an email to mail@worldoils.com stating your
requirements and we shall find it for you.
We can arrange delivery of equipment and towage of rigs and vessels where needed.
The details mentioned above are believed to be accurate but are not guaranteed.
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Search words (for official use only) -
Offshore Lattice Boom Crane for sale
Offshore Crane - 80 Ton - For Sale
80 ton Offshore Lattice Boom Crane
New Offshore Crane for Sale
New 80 ton Offshore Crane for Sale
80 ton New Offshore Crane
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