CN107207077A - The method and its ship of stable workbench are provided - Google Patents
The method and its ship of stable workbench are provided Download PDFInfo
- Publication number
- CN107207077A CN107207077A CN201680006265.XA CN201680006265A CN107207077A CN 107207077 A CN107207077 A CN 107207077A CN 201680006265 A CN201680006265 A CN 201680006265A CN 107207077 A CN107207077 A CN 107207077A
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- China
- Prior art keywords
- ship
- water
- sea bed
- hull
- wind turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/40—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels
- B63B35/42—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting marine vessels with adjustable draught
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0091—Offshore structures for wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of method and ship (7) for being used to provide stable workbench for offshore wind turbines (1).The ship (7) includes the buoyancy module that one or more at least part fill water, so that ship (7) is maintained at during maintenance or installation process on sea bed (13).Water can be made passively to load buoyancy module by hatchcover (24) OR gate (14) opened in one or more hulls (8), or water is loaded into buoyancy module on one's own initiative by using pumping system (15).Ship (7) further comprises upper deck (17) or raised deck, is provided with one or more lift units (18).Lift unit (18) is used during maintenance process or installation process.After the completion of maintenance or installation process, buoyancy module is closed, ship (7) lifts away from sea bed (13), and all ponding are drawn into ship (7).Final ship (7) moves to another place or returns to harbour.
Description
Invention field
The present invention relates to a kind of method for providing stabilized platform, wherein this method comprises the following steps：Ship is moved
To offshore wind turbines mount point, ship is mounted opposite point location, ship is down on sea bed.
The invention further relates to a kind of ship for providing stabilized platform, it includes hull and the first being arranged in hull
Plate, the hull is at least flat on sea bed with being set to be parked in, and the deck defines outer workbench.
Background of invention
It is known that installing or safeguarding offshore wind turbines with steamer or barge with multiple jack up supporting legs.Wheel
Ship or barge move to mount point, and then supporting leg drops to contacts with sea bed.Once in correct position, supporting leg further decline with
Sea bed is contacted, and steamer or barge lift away from sea level, stabilised platform thus provided during installation.Installation process is completed
Afterwards, supporting leg rises the contact departed from sea bed, and steamer or barge can move to new place.If sea bed is soft or muddy,
The rise and decline of jack up supporting leg especially take, because supporting leg needs larger penetration depth to be firmly parked on sea bed.
In addition, when rising supporting leg, it usually needs water cleans process, to offset by the swabbing effect of the sediment generation of sea bed.
One method for solving these problems is that, using the supporting pad or spud can for being connected to each jack up unit, it increases
Add the contact area with sea bed, thus reduce the penetration depth of jack up supporting leg.WO2012/066790A1 discloses another
Scheme, wherein steamer have multiple single anchorage blocks or common anchorage block, and they are connected to the stranded cable system on ship.
Anchorage block is lowered away from hull chamber, and is contacted with sea bed, applies tensioned on every hawser afterwards, and so they are erectting wind-force
Tension leg support system is formed during turbine.These schemes are required for one or more declines and lift away from the structure of sea bed, this
The time can be spent and increase the complexity and cost of system.
It it is known that using semi-submersible type steamer or barge to transport wind turbine to mount point, it passes through ballasting system phase
To Sea-level drop and rising.Then this kind of ship design rises to normal transport position to be dived with ballasting system to depth capacity.
This steamer, particularly its hull, are not designed to be parked on sea bed during operation.
WO03/066427A1 discloses a kind of ship, and it has multiple extending supports in the hull of ship
Leg.Then water is loaded position of the ballast tank so that ship is down to above sea bed by ship relative to point location is installed.Rear support
Leg removes hull and contacted with sea bed, and such ship is firmly parked on sea bed.Once work is completed, supporting leg bounces back and pressed
Cabin emptying is carried, to rise ship.Then ship moves to new place.This ship is not suitable for tideland area.
It is known to be put between tide when erectting wind turbine using with flat installation barge.Barge moves to mount point and phase
To the ground positioning in climax.Then during low tide during Sea-level drop, barge is located on sea bed, thus carries during operation
For stabilised platform.Then wind turbine is installed with ship's crane.Sea level rise during with climax, and barge becomes again
Float, and be stopped.This causes the operating time window that can be operated there was only several hours.
Goal of the invention
It is an object of the present invention to provide a kind of scheme for solving above-mentioned prior art problem.
It is an object of the present invention to provide a kind of method that stable workbench is provided for offshore wind turbines,
This method extends operating time window.
It is an object of the present invention to provide a kind of ship, it provides stable workbench, and makes operating time window
Extension.
The content of the invention
One object of the present invention realizes that wherein this method includes by a kind of method for providing stable workbench
The following steps：
- ship is moved into offshore wind turbines mount point,
- point location ship is mounted opposite, the mount point is, for example, the position of at least a portion installation of wind turbine,
- RELATIVE SEA LEVEL declines ship towards sea bed, and
- by the way that one or more buoyancy modules of ship are loaded onto into water at least in part, until the bottom of ship is parked on sea bed,
Further decline ship to contact with sea bed so that the ship provides stable workbench.
Generic term " dress " includes being passively or actively filling, for example, cabin is full of with water such as seawater, to change ship
Buoyancy.Term " buoyancy module " is defined to any open or closed cabin for being set to fill water, such as ballast tank, interior compartment, opening
Deck is even closed on deck.Closing deck is defined to the deck with weather and wave isolation, and open deck is defined to all the time
Exposed to the deck of weather and wave.
This provides a kind of simple and easy method for providing stable workbench, the workbench not by sea level from low tide to
Climax or opposite change are influenceed.Compared to any of jack up ship, the operation of the configuration is turned to faster and manufactured
Cost is lower.In addition, this configuration is applied to shallow water area, particularly tideland area.Also, this configuration need not be complicated heavy
Self-elevating systems rise and decline ship, thereby saving dead weight and space.This configuration can be by only changing
The buoyancy of ship is parked on sea bed so as to ship, to allow ship to form stable workbench.
Ship moves to mount point and positioned by boat-carrying propulsion system such as engine and one or more propellers.Ship
Only further comprise dynamic positioning system, ship is moved to correct position.Or, can be by one or more outside ships
Only, such as ship is dragged to mount point and moves to correct position by towboat.
In one embodiment, this method further comprises by starting the step that pumping system drops to ship on sea bed
Suddenly, the wherein pumping system active pump water is to one or more buoyancy cavities.
The panel or control unit that pumping system is operated by user are controlled, and the panel or control unit monitor this
Water in a little buoyancy modules.In this configuration, buoyancy module is one or more ballast tanks or compartment being arranged in hull.Pumping system
At least include at least one pipeline for being connected to entrance and exit or flexible pipe arrangement.Pumping system can for single pumping system or
It is integrated into as described below in ship.Or, two or more pumping systems may be connected to buoyancy module, and one is used to water being pumped into ship
In, one is used to water pumping out ship.This ship to drop to contact with sea bed, without waiting low tide.Once
Ship is firmly parked on sea bed, and it is formed firm workbench, and can start to safeguard and/or installation process.
In another configuration, pumping system can adjust the water in buoyancy module according to sea level altitude.Measuring unit, such as sound
, radar, tide gauge, global positioning system (GPS) receiver or other sea level inductors, the height for measuring sea level
Degree.The measuring unit is electrically connected to control unit, and the control unit controls the operation of pumping system according to the sea level measured.Control
Unit processed can open pumping system, and water is pumped out into buoyancy module when Sea-level drop, and water is pumped into buoyancy module when sea level rise.
This enables sea level of the ship based on raising and lowering to adjust the water in buoyancy module, and thus changes the buoyancy of ship.This
So that ship is able to be kept stably on sea bed, while reducing the pressure being applied on sea bed, thus ship is prevented to be absorbed in sea
Bed is too deep, if especially sea bed very soft situation.
In another embodiment, this method is also included by opening one or more hatchcovers in vessel hull
And/or door, water is passively loaded one or more buoyancy modules via the hatchcover and/or door, so that ship is dropped into sea bed
Step.
This makes it possible to by making water for example as the sea level risen or fallen flows freely into outflow buoyancy module, make under ship
It is down on sea bed and is maintained on sea bed.Via the hatchcover of the predetermined number positioned at hull at least side, preferably via positioned at ship
The hatchcover of body both sides, is introduced the water into buoyancy module.The opening of hatchcover can be controlled by control unit, with prevent ship filling/
Toppled during evacuation procedure.The actuator or other opening mechanisms controlled via controlled unit, hatchcover can in open position and
Moved between closed position.Buoyancy module can be one or more ballast tanks or compartment being arranged in hull.This enables buoyancy module
Passively loaded without pumping system.Allow the water to, through hull, thus prevent in addition, hatchcover is arranged on into both sides
During tidal fluctuations, such as when from low tide to climax sea level variability or reverse situation, hull movement for example rotates or inclined
Tiltedly.
In addition/or, water can be also introduced into ship via one or more, and this is located at the bow or stern of ship,
It is preferably placed at the bow and stern of ship.Via actuator or other opening mechanisms, door can be for example in vertical plane or level
Moved in plane, so as to move between open and closed positions.Buoyancy module can be the lower decks being arranged in ship, for example
Well deck, or open deck, such as open deck.When there is no dive, door be used as traditional door, for staff provide to
The entrance of lower decks or open deck.Lower decks or open deck can be used as traditional deck or workbench during low tide.
As described above, this also enables buoyancy module passively to be loaded without using pumping system.In addition, by using ship two
The door at end so that water can pass through ship, thus prevent ship from being moved during tide changes.
Ship is determined relative to the dominant direction of the principal direction of tidal current, cardinal wind or wave or stream with any angle
Position.Preferably, ship with respect to tidal current, wind direction or wave or stream direction, it is almost parallel or be vertically oriented.This causes ship
It is merely able to be placed in a position, in the position, the influence from tide, wave, stream or wind minimizes.
In one embodiment, this method further comprises the side part for setting one or more relative ship upper decks
The step moved between advanced position and extended position, wherein the side part in extended position increases the side of a ship of sea level and ship
The distance between edge.
Ship may also include the side part that the ship bulwark of several such as upper decks or open deck relatively is set.Side part
It is set to increase the distance between sea level of railing/gunnel and such as high water time, while limiting water entry into deck.Side part can
It is arranged along the bulwark of whole ship, or along one or more section, such as stage casing of ship.Side part when not in use
In advanced position, space is therefore saved on.Once ship is positioned on sea bed, the movement of side part, for example, stretches or rotate to it
Extended position, which increase the height of ship, so that can be run in bigger depth or in higher wave.
Side part can be bulwark part or plank, it is arranged at via erecting device, such as support, be attached to bulwark and/or
It is interconnected with one another.Or, side part can be via guide rail or groove or via being hingedly attached to bulwark.Can be used actuator by
The movement of side part is in place.One or more seals may be provided between two adjacent side parts, and/or side part and the side of a ship
Between wall.Or, the outer rim of two adjacent side parts, and/or to may be molded to them basic for the outer rim of side part and bulwark
Form sealing.This prevents water from entering deck.
In a particular embodiment, when ship is parked on sea bed, it is located at via one or more in vessel hull
Hatchcover and/or door, buoyancy module are passively loaded and emptied during tidal fluctuations.
Ship can be dropped on sea bed with change of the tide from climax to low tide.Once ship is parked on sea bed, just
Opening hatchcover OR gate enables rise/fall sea level to flow freely by ship, and is gradually filled with buoyancy module.Or, buoyancy module
Gradually it can be loaded or emptied with pumping system as described above.This cause when tide changes from low tide to climax or it is opposite when, ship
Its position on sea bed is kept, thus during climax, staff also can be on wind turbine or its ground
On work on.
In one embodiment, this method further comprises providing one or more lifting lists on ship upper deck
Member, and by using the lift unit, at least safeguard or change one or more wind-force whirlpools of the wind turbine of pre-installation
Turbine component.
Ship is arranged on upper deck or the lifting list on the raised deck above open deck including one or more
Member.During maintenance process, using lift unit by equipment, such as instrument, spare parts and other objects, it is promoted to from ship
On wind turbine or its ground, vice versa.Equipment is loaded to ship in gatehead, and is optionally stored at cupboard or storage
Hide in room.Lift unit can also be used to the wind turbine components of damage are promoted on deck in maintenance process.Then it is new
Wind turbine components be connected to crane cable, and be promoted to the position on wind turbine.
In one embodiment, this method further comprises the following steps：There is provided one or more on ship upper deck
Lift unit, and by using lift unit, at least by one or more wind turbine components with erectting and be attached to offshore
Base.
And/or, in installation process, the lift unit be used for it is relative before the wind turbine components installed or from
Bank base, by one or more wind turbine components, such as wind turbine tower, cabin, rotor hub or wind turbine
Machine blade is promoted to installation site.Then wind turbine components are installed, and new wind turbine components can be lifted in place.
This enables ship to act as multipurpose ship, its purpose that can be used in safeguarding and install.
In a particular embodiment, before ship is moved into mount point, by lift unit and/or one or more wind
Power turbine components are loaded to ship in gatehead.
Preferably, such as before ship moves to mount point, by lift unit, land crane is loaded to ship in gatehead
It is only upper and fixed.Or, lift unit be ship on unit, such as ship's crane unit, its for example during loading process
Gatehead is arranged on ship.Other lifting devices may be provided on ship, for lifting means and/or wind turbine components
In place, other lifting devices such as self-elevating systems, stranded cable system or other suitable lifting systems.
In another particular embodiment, such as by adjusting the water at least one buoyancy module, in lift unit operation
Period makes ship stable.
During lifting process, stablize lift unit to provide stable lifting.Can be by adding to the rear end of lift unit
Plus one or more counterweights stablize lift unit.The counterweight can be loaded to carrying in gatehead or before starting lifting process
Rise unit.Counterweight can be also loaded to ship during loading process, and is placed on the opposite end of lift unit.Or, one
Individual or multiple extended ships of the arm of stability are simultaneously contacted with sea bed.
Buoyancy module can also be used as stabilizer in lifting process.Pumping system in this configuration is used to adjust the water in buoyancy module
Amount.All buoyancy modules can load water to stablize lift unit.Or, at least another buoyancy module is pumped water to from least one buoyancy module,
To change dead weight distribution.Extra water is pumped into selected buoyancy module, and/or water is pumped out to selected buoyancy module.
In one embodiment, this method further comprises the following steps：By using pumping system, and/or pass through
The water closed in hatchcover and/or door emptying buoyancy module, so as to realize the positive buoyancy of ship, rises ship.
After installation or maintenance process is completed, ship rises and moves to new mount point, gatehead, such as harbour or other
Place.For example in high water time, all ponding are pumped out into buoyancy module by closing buoyancy module, and optionally by using pumping system,
And rise ship.For example in the time of low water, can by the way that the hatchcover and/or door in hull are moved into closed position, to close buoyancy module, by
This prevents water from entering ship.Or, can be when the gross weight of ship and buoyancy module reclaimed water be no more than the weight of the water arranged, closing chamber
Lid and/or door, for example, result in positive buoyancy so that it can lift away from sea bed in high water time ship.If ballast tank or compartment are used
Make buoyancy module, then actively water is pumped out by using pumping system, to realize positive buoyancy.This to compare passes through during climax
The sea level of rising and the traditional ship risen automatically, ship can sea level rise or any during climax with rising
When rise.
In addition, this configuration also causes ship to can be used in shallow water area, in this place by changing the buoyancy of ship, make ship phase
To sea level such as mean sea level raising and lowering.Traditional ship needs self-elevating systems to provide stabilization in shallow water area
Workbench.Water is actively pumped out by buoyancy module by using pumping system, ship is increased.Or for example in the time of low water,
Hatchcover and/or door can be closed, such as in high water time, and ship can realize positive buoyancy, and so it can lift away from sea bed.
According to a particular embodiment, mount point is located in tideland area or shallow water area.
Preferably, the mount point that ship is moved in shallow water area particularly tideland area, because ship can be provided
Stable workbench, it is not influenceed by from low tide to climax sea level variability, and vice versa.
One object of the present invention realizes that the ship includes by providing the ship of stabilized platform：
- hull, it is at least flat on sea bed including being set to be parked in,
- deck, the deck is arranged in hull, limits outer workbench,
- one or more the buoyancy modules being arranged in hull, wherein
- ship also includes the device for being used to make buoyancy module be at least partially enclosed water, and wherein the flat of ship is set to instantly
It is down to when being contacted with sea bed and is parked on sea bed, such ship provides stable workbench.
This, which is provided, can provide the ship of stable workbench, and the workbench is not influenceed by tidal fluctuations, and
And do not need self-elevating systems to lift platform.This to compare traditional jack up barge or steamer, runs and turn to faster, make
Cause this lower, because not needing self-elevating systems or tension leg system.This configuration is applied to shallow water area, is specially tideland
Area.Shallow water area is defined to its depth of water, the height on such as sea level, equal to or less than 50 meters.Tideland area is defined to high-tide period
Between be covered with water the region (region also referred to as between climax and low tide) that the time of low water exposes.
Ship has one or more buoyancy modules being arranged in hull, and wherein these buoyancy modules, which are connected to, is used to incite somebody to action as described above
Water passively and actively loads the device of buoyancy module.These devices are used for the buoyancy for changing ship, and such ship is being safeguarded or installed
It is maintained at during process on sea bed.This provides stable workbench, and ship is maintained at correct position by it, without
The adjustment position due to ambient influnence.Some traditional installation vessels carry out RELATIVE SEA LEVEL reduction ship using ballast tank, still
They still need anchoring system or dynamic positioning system, and ship is maintained at into correct position.
In one embodiment, the device is one or more doors and/or hatchcover being arranged on hull, and door or hatchcover connect
The opening on one or more buoyancy modules being arranged on hull and one or more hulls is connected to, wherein hatchcover OR gate is set to
Moved between open position and closed position.
Ship includes one or more hatchcovers, and the hatchcover is arranged on an at least side surface for hull, preferably both side surface
On.Hatchcover is located at the lower half of hull, such as less than Light Condition or water line during predetermined loading condition.Actuator is other
Opening mechanism is used to open and close hatchcover, and wherein opening mechanism is by control unit control.Buoyancy module can be ballast tank or compartment.This
Allow the water to flow freely into outflow buoyancy module.In addition, water can flow through ship via the opening of hatchcover, thus prevent ship due to
The movement of water and come unrestrained and move, for example, tilt.
In addition/or, ship includes one or more doors, and this is arranged at the bow or stern of ship, preferably together
When in bow and stern.Men Kewei is set to around the hinged door pivoted, or is set to along guide such as groove or track
And the sliding door slided.Buoyancy module can be the open deck or well deck extended along the longitudinal length of ship or part thereof.This is also
Allow the water to flow freely into outflow buoyancy module via the opening of door.The deck be alternatively arranged as when without dive traditional deck or
Workbench.
In another embodiment, the device is one or more ballast tanks being arranged in hull, ballast tank connection
To at least one pumping system, for adjusting the water in ballast tank.
Ship includes the ballast tank of predetermined number, and it is used as buoyancy module.Each buoyancy module be connected to be set to water being pumped into or
Pump out the pumping system of buoyancy module.Pumping system can be single pumping system, with single entrance and single outlet.Or
Person, pumping system can be integrated into ship, and including one or more openings for being arranged on hull outer surface, the opening is according to pump
Direction is sent to be used as entrance or outlet.These openings can be located on hull, and water line is less than in the case of unloaded or predetermined load.Pump
The other end of system is sent to be set with respect to buoyancy module.This allows the water to actively be pumped into or pump out buoyancy module, to change the buoyancy of ship.Enter one
Step ground, pumping system enables ship to decline or rise at any time, such as in high water time or after installation or maintenance process is completed.
Control unit is set to control the operation of pumping system, for example, flow direction.Control unit can be further arranged to monitoring
Sea level, and the operation of pumping system is controlled according to the sea level measured as described above.It is one or more to be set to measure Hai Ping
The measuring unit in face is connected to control unit, and the control unit adjusts the water in buoyancy module according to the sea level measured.This causes
Ship is able to maintain that on sea bed, while reducing the pressure being applied on sea bed.
Pumping system can be additionally used in when hatchcover and/or door closing, all ponding in emptying buoyancy module.Control unit is set
When all hatchcovers of its determination and/or door are to close, to start pumping system.This enables ship to realize positive buoyancy so that
Ship lifts away from sea bed, or only increases the stability of ship during transportation.Measuring unit or visual indicia in hull
Available for the water in surveying vessel body.The measurement can be used for starting pumping system.
In one embodiment, deck is set to hold one or more lift units, such as crane unit, may be selected
Ground, and one or more wind turbine components, such as rotor or wind turbine tower.
Deck can be upper deck or the raised deck above lower decks or open deck.The deck is set to be retained on
The lift unit used during maintenance or installation process, such as crane unit, jack up unit or other suitable lifting lists
Member.Deck may include the device for lift unit to be fixed to deck, such as mounting bracket, fastening hook or anchor cable eye or other
Suitable fastener.Lift unit can be to load the land lift unit to deck, such as Mobile hoisting in gatehead
Machine unit, or lift unit on ship, for example, install crane unit above deck.Deck can further comprise one or more
Cavity or compartment, for storage system maintenance equipment, spare parts or other objects.Or, one or more cavitys may be configured as holding
Put and hold lift unit.Deck may be configured as accommodating and hold different type and/or various sizes of lift unit, therefore make
The lift unit suitable for specific purposes can be equipped with by obtaining ship.It is used to safeguard the small of wind turbine for example, ship can have
Type crane unit, or for erectting the goliath unit of wind turbine.
Deck can further comprise one or more memory spaces, and it is used for one or more wind turbine components, than
Such as other parts of wind turbine blade, rotor hub, cabin, wind turbine tower or wind turbine structure.Or,
These wind turbine components may be provided on the second deck of relative upper deck or raised deck.Further, on the contrary, wind-force
Turbine components may be provided on the single transport ship that the relative ship is placed.This enables ship to complete to install
Journey, without stopping the process during climax.
Brief description of the drawings
Only by embodiment, present invention is described referring to the drawings, wherein：
Fig. 1 illustrates the first exemplary implementation side of the vessel according to the invention that relative offshore wind turbines are placed
Formula；
Fig. 2 illustrates the ship from Fig. 1 shown in bow；
The ship that Fig. 3 illustrates Fig. 1 is parked on sea bed during climax；
Fig. 4 illustrates the ship from Fig. 3 shown in bow；
The ship that Fig. 5 illustrates Fig. 1 is parked on sea bed during low tide；
Fig. 6 illustrates the ship from Fig. 5 shown in bow；
Fig. 7 illustrates the second exemplary embodiment of the ship that relative offshore wind turbines are placed；
The ship that Fig. 8 illustrates Fig. 7 is parked on sea bed.
Hereinafter, accompanying drawing will be described, all parts shown in the accompanying drawings and position will be marked in different figures one by one
Marked with identical.The part and position that simultaneously not all is pointed out in certain figures all must together discuss with the accompanying drawing.
With reference to list
1 wind turbine
2 offshore grounds
3 wind turbine towers
4 cabins
5 rotor hubs
6 wind turbine blades
7 ships
8 hulls
9 bottoms
10 profiles
11 sterns
12 bows
13 sea beds
14
15 pumping systems
The opening direction of 16
17 upper decks
18 lift units, crane
19 lower decks
20 sea level
21 bulwarks
22 gunnels
23 ballast tanks
24 hatchcovers
Detailed description of the Invention
Fig. 1 illustrates the exemplary embodiment that the wind turbine 1 on offshore ground 2 is arranged in mount point.Wind-force
Turbine 1 includes the wind turbine tower 3 being arranged on offshore ground 2 and the machine for being arranged on the top of wind turbine tower 3
Cabin 4.Rotor is rotatably attached to cabin 4, and the rotor has rotor hub 5 and at least two panels wind turbine blade 6, herein
It show three.
Ship 7 is set in maintenance process or selectively during installation process, provides stable with respect to wind turbine 1
Workbench.Ship 7 includes hull 8, stern 11 and bow 12, and the hull 8 has the bottom 10 for being connected to side.Bottom 9
Be configured to be arranged at be parked in it is flat on sea bed 13.14 such as hinged doors of door, set on the quarter 11, and are set to offer and lead to position
The entrance of lower decks in hull 8 (shown in Fig. 4).Other such as hinged doors of door 14, are further disposed at bow, and set
To further provide for leading to the entrance of lower decks.Opening mechanism is connected to door 14, and is set to make door 14 in open position (Fig. 3
It is shown) moved between closed position (shown in Fig. 1), for example pivot.
At least one pumping system 15 included an inlet and an outlet is loaded on ship 7.Or, pumping system 15 can be peace
The pumping system on the ship on ship 7.Pumping system 15 is set with respect to lower decks, for water to be pumped out into ship 7 or ship is pumped into
Only 7.Selectively, as shown in figure 1, setting second pumping system on ship 7.
First, ship 7 is for example for example moved into mount point, and relative wind turbine 1 from gatehead using outside ship
Or the positioning of its offshore ground.
Fig. 2 is illustrated from the wind turbine 1 and ship 7 shown in bow 12.Ship 7 is located at apart from bank base 2 or wind-force
At turbine 1, such as preset distance of wind turbine blade 6.Door 14 is in the closed position during transport is to mount point.
After ship 7 is put in into correct position, preferably during climax, as shown in Figure 3-4, by the way that door 14 is moved to
Their open position (pressing arrow 16 signified), makes ship drop on sea bed 13.This makes it possible to that water passively is loaded into example
Lower decks is such as flooded, to change the buoyancy of ship 7.
Also it can for example open pump by starting pumping system 15 and open each valve, ship 7 is dropped into sea bed 13
On.This makes it possible to that water actively is loaded into lower decks, to change the buoyancy of ship 7.
Ship 7 further comprises upper deck 17, as shown in figure 4, it limits workbench.Ship 7 move to mount point it
Before, in gatehead by lift unit 18, such as ship's crane and other maintained equipments are loaded to upper deck 17.Upper deck 17 is wrapped
Holding unit (not shown) is included, for lift unit 18 to be fixed into upper deck 17.Storage device, such as cupboard or cavity, can
It is arranged in hull 8, such as on upper deck 17, the safety for maintained equipment and/or the spare unit of wind turbine 1 is deposited
Storage.Lift unit 18 is used during maintenance process, to lift object between wind turbine 1 and ship 7.
Lower decks 19, such as well deck, positioned at the lower section of upper deck 17, and are set to the potential water during maintenance process
Under.The deck 19 is used as the buoyancy module of ship 7, and it is used for RELATIVE SEA LEVEL 20 and rises and decline ship 7.When not dive, lower first
Plate 19 also serves as the second workbench.
Ship 7 includes at least one with respect to the bulwark 21 that upper deck 17 is set, for limiting water entry into upper deck 17.Gunnel
22 are arranged on the top of bulwark 21.Gunnel 22 define with sea level 20, such as between the sea level of mean sea level or high water time
Distance.During maintenance process, because ship 7 is parked on sea bed 13, the Distance Shortened.Ship 7 is set in tideland area
Or shallow water area is run, the depth of water is less than the height of the height of ship 7, such as side 10 in this place.
Fig. 5-6 illustrates the ship 7 being parked in during low tide on sea bed 13.It is another that ship 7 is down on sea bed 13
Method is that the sea level 20 of decline is only followed during tide fades to low tide from climax.As shown in figure 5, once ship 7 is parked in
On sea bed 13, door 14 is turned on during maintenance process to allow water to enter ship.
During maintenance process, during tide fades to climax from low tide, water can follow the sea level 20 of rising passive
Ground flows through ship 7, for example, flood lower decks 19.This causes ship 7 to be maintained on sea bed 13 in maintenance process, is thus not required to
Stop maintenance process during climax.
After maintenance process is completed, as shown in fig. 6, closing door 14 to prevent water from entering ship 7.Then ship 7 only passes through
Sea bed 13 is lifted away from the sea level 20 risen from low tide to climax.
During climax, also all ponding then can be pumped out into ship 7 with pumping system 15, for example by closing door 14
Pump rises ship 7 from lower decks 19.Selectively, after control unit determines that all doors 14 have been switched off, control can be passed through
The unit starting pumping system 15.This enables ship 7 to change buoyancy, so that it lifts away from sea bed 13.
Such as after ship 7 lifts away from sea bed 13, ship 7 can move to another place, another mount point, or return to loading
Point/harbour.
Fig. 7-8 shows the second exemplary embodiment of ship 7, and the ballast of predetermined number is wherein provided with hull 8
Cabin 23.The ballast tank 23 be used as buoyancy module so that ship 7 ' can RELATIVE SEA LEVEL 20 rise or decline.As shown in fig. 7, ballast tank
23 are distributed along hull 8.
As shown in fig. 7, after ship 7 ' is positioned with respect to wind turbine 1, starting pumping system 15 ' water is pumped into ballast
In cabin 23.Each ballast tank 23 is connected to single pumping system 15 '.This makes it possible to that actively water is fitted into buoyancy module, will
Ship 7 is dropped on sea bed 13.
Ship 7 includes the hatchcover 24 of one or more selectable sides 10 for being arranged on ship 7.The hatchcover 24 is set to
Open position is moved to from closed position.Preferably, hatchcover 24 is located at the bottom of hull 8, such as less than eating under loading condition
Waterline.Opening mechanism (not shown) is connected to each hatchcover 24, so that hatchcover is moved between the open and closed positions.This causes
Buoyancy module can be freely flowed into and out by allowing water with sea level 20, so that passively water be fitted into buoyancy module.
As shown in figure 8, once ship 7 is parked on sea bed 13, maintenance process is begun to, is thus provided during tidal fluctuations
Stable workbench.After the completion of maintenance process, as shown in fig. 7, by the closing chamber lid 24 during low tide, making 7 liters of ship
Bed 13 off sea, thus prevents other water from entering in ship 7.Then ship 7 rises with the tidal fluctuations from low tide to climax.
Also ballast tank 23 can be pumped out by starting pumping system 15 ' by water, ship is increased.When hatchcover 24 close and/
Or after the completion of maintenance process, pumping system 15 ' starts.This enables ship 7 to rise and move to anotherly during climax
Point.
The invention is not restricted to embodiment illustrated herein or the embodiment, do not departing from such as Patent right requirement
In the case of described the scope of the present invention, it can modify or adjust.
Claims (15)
1. a kind of method for providing stable workbench, wherein methods described comprises the following steps：
- ship (7) is moved into offshore wind turbines mount point,
- ship described in point location (7) is mounted opposite, the mount point is, for example, that at least a portion of wind turbine (1) is installed
Position,
- RELATIVE SEA LEVEL (20) declines the ship (7) towards sea bed (13),
Characterized in that,
- by the way that the buoyancy module of one or more ships (7) is loaded onto into water at least in part, until the bottom (9) of the ship (7) is stopped
On the sea bed (13), further decline the ship (7) and contacted with the sea bed (13), so that the ship (7) is provided
Stable workbench.
2. method according to claim 1, it is characterised in that methods described further comprises by starting pumping system (15),
The step of ship (7) is dropped into the sea bed (13), wherein the pumping system (15) actively by water be pumped into one or
Multiple buoyancy modules.
3. according to the method for claim 1 or 2, it is characterised in that methods described further comprises the following steps：By opening one
Individual or multiple hatchcovers (24) and/or door (14) in the hull (8) of the ship (7), and via the hatchcover (24)
And/or water is passively fitted into one or more buoyancy modules by door (14), so that the ship (7) drops to the sea bed (13)
On.
4. according to the method for any one of claims 1 to 3, it is characterised in that methods described further comprises making one or many
The step that the side part that the individual upper deck (17) relative to the ship (7) is set is moved between advanced position and extended position,
Wherein the side part in the extended position increases the distance between gunnel of the sea level (20) and the ship (7).
5. according to the method for any one of Claims 1-4, it is characterised in that during tidal fluctuations, when the ship is parked in
When on the sea bed, via one or more hatchcovers (24) and/or door (14) on the hull of the ship, the buoyancy module
Passively loaded and emptied.
6. according to the method for any one of claim 1 to 5, it is characterised in that methods described further comprises the following steps：Carry
For the lift unit (18) on one or more upper decks (17) in the ship (7), and by using the lift unit
(28) at least safeguard or change one or more wind turbine components of the wind turbine (1) of pre-installation.
7. according to the method for any one of claim 1 to 6, it is characterised in that methods described further comprises the following steps：
One or more lift units (18) are set on the upper deck (17) of the ship (7), and by using the lift unit
(18) at least erect and one or more wind turbine components on offshore ground (2) are installed.
8. according to the method for claim 6 or 7, it is characterised in that before the ship (7) is moved to mount point, loading
The lift unit (18) and/or one or more wind turbine components are loaded on the ship (7) by point.
9. according to the method for any one of claim 6 to 8, it is characterised in that for example by adjusting at least one described buoyancy module
In water, stablize the ship (7) during the operation of the lift unit (18).
10. according to the method for any one of claim 1 to 9, it is characterised in that methods described further comprises the following steps：
The water in the buoyancy module is emptied by using pumping system (15), and/or by closing the hatchcover (24) and/or door
(14) positive buoyancy of the ship (7), is achieved in, so that the ship (7) rises.
11. according to the method for any one of claim 1 to 10, it is characterised in that the mount point is located at tideland area or shallow
In aqua region.
12. a kind of ship (7) that stable workbench is provided, including：
- hull (8), at least including flat (9) that are set to be parked on sea bed (13),
- deck (17,19), is arranged in the hull, limits outer workbench,
Characterized in that,
- one or more buoyancy modules are set in the hull (8), and
- the ship (7) further comprises the device for buoyancy module at least partly to be loaded to water, wherein the institute of the ship (7)
State flat (9) be set to when drop to contacted with the sea bed (13) when, be parked on the sea bed (13), so that the ship
(7) stable workbench is provided.
13. ship according to claim 12, it is characterised in that described device is arranged on the hull (8) to be one or more
In door (14) and/or hatchcover (24), the door (14) or hatchcover (24), which are connected to, one or more is arranged on the hull (8)
In buoyancy module and the opening in one or more hulls (8), wherein the hatchcover (24) OR gate (14) is set to beating
Moved between open position and closed position.
14. according to the ship of claim 12 or 13, it is characterised in that described device is arranged on the hull to be one or more
(8) ballast tank (23) in, the ballast tank (23) is connected at least one pumping system (15), for adjusting the ballast tank
(23) water in.
15. according to the ship of any one of claim 12 to 14, it is characterised in that the deck (17) is set to fixing one
Or multiple lift units (18), such as crane unit, and selectively one or more wind turbine components, for example turn
Son or wind turbine tower (3).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DKPA201570016 DK178601B1 (en) | 2015-01-14 | 2015-01-14 | Method for providing a stable working platform and a vessel thereof |
| DKPA201570016 | 2015-01-14 | ||
| PCT/DK2016/050009 WO2016112919A1 (en) | 2015-01-14 | 2016-01-13 | Method for providing a stable working platform and a vessel thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107207077A true CN107207077A (en) | 2017-09-26 |
| CN107207077B CN107207077B (en) | 2019-09-27 |
Family
ID=56405267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680006265.XA Active CN107207077B (en) | 2015-01-14 | 2016-01-13 | The method and its ship of stable workbench are provided |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN107207077B (en) |
| DK (1) | DK178601B1 (en) |
| WO (1) | WO2016112919A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112969638A (en) * | 2018-11-08 | 2021-06-15 | 沃尔沃遍达公司 | External drive protection device |
| CN113423891A (en) * | 2018-09-25 | 2021-09-21 | 卡斯淘Msc有限公司 | Method for stabilizing jack-up platform unit |
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| DE102010009466A1 (en) * | 2010-02-26 | 2011-09-01 | Ed. Züblin Aktiengesellschaft | Device for the transport and installation of a flat foundation comprehensive arrangement of an offshore wind turbine and method for transport and installation of such arrangement with flat foundation |
| JP2012107585A (en) * | 2010-11-18 | 2012-06-07 | Mitsubishi Heavy Ind Ltd | Ship for installing offshore wind turbines and method for installing offshore wind turbines using the same |
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- 2016-01-13 WO PCT/DK2016/050009 patent/WO2016112919A1/en active Application Filing
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| CN102587340A (en) * | 2011-01-14 | 2012-07-18 | 中国国际海运集装箱(集团)股份有限公司 | Installation platform of bottom-supported fan and method for installing fan equipment |
| CN102653308A (en) * | 2011-03-01 | 2012-09-05 | Stx法国股份有限公司 | Transport vessel of a wind turbine to an offshore site and method for its implementation |
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| CN113423891A (en) * | 2018-09-25 | 2021-09-21 | 卡斯淘Msc有限公司 | Method for stabilizing jack-up platform unit |
| CN113423891B (en) * | 2018-09-25 | 2023-07-18 | 卡斯淘Msc有限公司 | Method for stabilizing a jack-up platform unit |
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| CN112969638B (en) * | 2018-11-08 | 2023-08-01 | 沃尔沃遍达公司 | External drive protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107207077B (en) | 2019-09-27 |
| DK178601B1 (en) | 2016-08-08 |
| DK201570016A1 (en) | 2016-08-01 |
| WO2016112919A1 (en) | 2016-07-21 |
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