US20120255478A1 - Ship and Method for Conveying and Setting Up Offshore Structures - Google Patents

Ship and Method for Conveying and Setting Up Offshore Structures Download PDF

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Publication number
US20120255478A1
US20120255478A1 US13/248,421 US201113248421A US2012255478A1 US 20120255478 A1 US20120255478 A1 US 20120255478A1 US 201113248421 A US201113248421 A US 201113248421A US 2012255478 A1 US2012255478 A1 US 2012255478A1
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United States
Prior art keywords
ship
jack
hull
wind turbines
foundations
Prior art date
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Abandoned
Application number
US13/248,421
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English (en)
Inventor
Stefan HADELER
André BERGMANN
Matthias LINNEMANN
Wolfgang FALK
Frank MÖNNIG
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NORDIC YARDS HOLDING GmbH
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NORDIC YARDS HOLDING GmbH
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Assigned to NORDIC YARDS HOLDING GMBH reassignment NORDIC YARDS HOLDING GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BERGMANN, ANDRE, FALK, WOLFGANG, Hadeler, Stefan, Linnemann, Matthias, MONNIG, FRANK
Publication of US20120255478A1 publication Critical patent/US20120255478A1/en
Abandoned legal-status Critical Current

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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
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • 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
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B13/00—Conduits for emptying or ballasting; Self-bailing equipment; Scuppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • B63B27/12—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes of gantry type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • 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
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • 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
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
    • 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
    • F03D13/22—Foundations specially adapted for wind motors
    • 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
    • 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
    • F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
    • 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
    • E02B2017/0039—Methods for placing the offshore structure
    • 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
    • E02B2017/0039—Methods for placing the offshore structure
    • E02B2017/0047—Methods for placing the offshore structure using a barge
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F05B2240/931—Mounting on supporting structures or systems on a structure floating on a liquid surface which is a vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/96—Mounting on supporting structures or systems as part of a wind turbine farm
    • 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

Definitions

  • the invention relates to a ship and a method for conveying and setting up offshore structures.
  • the ship and the method are especially intended for conveying and setting up offshore wind turbines.
  • WO 2004/087494 A2 describes a ship for transporting multiple complete wind turbines which are aligned vertically.
  • the ship has means for transporting the wind turbines from a hold to an unloading position.
  • the ship has winches with at least three lines with fasteners to fasten to at least three lifting points on the foundation of the wind turbine.
  • the lines are arranged at the unloading position such that their sections running to the lifting points on the foundation are horizontally spaced from each other.
  • the ship has arms projecting at the stern on which the winches are placed. By means of the lines guided through the winches, the wind turbines can be lowered with their foundations.
  • the wind turbines are transported from their position in the hold on rails to the unloading position.
  • a disadvantage with this special ship is that the wind turbines need to be transported ready assembled on their foundation so that the cargo projects high above the ship.
  • the stability of the ship is increasingly impaired as the height or respectively number of wind turbines positioned on the ship increases. This limits the transportation capacity and possible uses of the ship.
  • WO 2007/091042 A1 describes a method and a system for transporting offshore structures as well as wind turbines. These have a support frame into which the wind turbine can be inserted on land in an upright position.
  • the support frame is used to lift the wind turbine onto a transport ship on which it is held in an upright arrangement.
  • the transport ship has pivoting crane arms from which the transport frame is suspended.
  • the wind turbine is transferred from a dock to the transport ship by swinging the crane arms.
  • the wind turbine is placed on a prepared foundation by swinging the crane arms in the opposite direction.
  • the foundation has a frame that interacts with the support frame.
  • the support frame is equipped with a plurality of legs having hydraulically controlled feet.
  • the frame on a foundation has a corresponding number of support structures on which the feet finally rest.
  • the feet are movable along a vertical axis depending on a hydraulic control and form a damping arrangement for installing the wind turbine on the foundation.
  • the ship is only suitable for transporting the mast of a single wind turbine.
  • the foundations need to be set separately. After installation, the transport ship must be sailed to a harbor to pick up another wind turbine. This is problematic when numerous wind turbines need to be set up as is the case with wind farms.
  • the invention is based on the object of providing a ship and a method for conveying and setting up offshore structures that can be used independent of the swell and weather conditions, and by means of which a large number of offshore structures can be conveyed and set up within a specific time.
  • the ship according to the invention for conveying and setting up offshore structures has:
  • the U-shaped cross-section of the hull is particularly advantageous for the strength of the ship.
  • the ship is therefore particularly suitable for conveying heavy offshore structures.
  • An additional advantage for the hydrodynamics of the ship and the connection of the two structures is that the jack-up leg systems can be integrated in the side walls.
  • the ship When setting up offshore structures, the ship can be fixed to the ocean floor by lowering the jack-up legs. The ship is thereby held in a stable reference position that is independent of the swell and influences of the current and wind. This is advantageous for setting up wind turbines because the masts must be aligned precisely vertical.
  • the U-cross section has the advantage that the top edges of the side walls can be used as a base for the movable crane.
  • the crane can move above the offshore structures with which the ship is loaded.
  • the ship preferably has a loading deck on the top side of the floor to provide a high hold over which the crane can move.
  • offshore structures stored on the loading deck can be picked up and transported to the projections. Between the projections, the offshore structures can be lowered and placed on the ocean floor since the hull does not have a loading deck or respectively floor there.
  • a plurality of offshore structures placed in a row in the longitudinal direction of the hull can be brought to the setup site in a single trip and set up sequentially.
  • the ship is therefore particularly economical to use.
  • the crane can transport the offshore structures vertically aligned because the load lifting system of the crane can grasp the offshore structures at a high attachment point.
  • the ship can transport and assemble masts and vertically aligned foundations of wind turbines.
  • the wind turbine does not have to be transported and set down as a unit with the mast mounted on the foundation.
  • the cargo therefore does not extend as high from the hull of the ship as is the case in WO 2004/087494 A2, the entire contents of which is incorporated herein by reference; consequently, the ship has more options for use.
  • the crane can preferably move along a rail system arranged on the top edge of at least one side wall.
  • the crane has a crane bridge that is supported on both side walls. The loads are thereby optimally transferred into the hull of the ship.
  • the invention includes embodiments in which the crane is movably arranged on the top edge of only one side wall.
  • the invention includes embodiments in which cranes that are separate from each other can move on the top edge of both side walls.
  • the crane is a portal crane that bears the crane bridge on supports movable on the top edges of the side walls.
  • the crane bridge is arranged particularly tall so that the ship can be used to convey and set up particularly tall offshore structures.
  • the crane is a gantry screen.
  • the crane bridge of the gantry crane can be directly supported and moved on the top edges of the side walls.
  • the crane bridge of the gantry crane is movable on rails that are supported by supports on the top edges of the side walls. With this ship, the crane bridge is arranged particularly tall so that it can convey and to set up particularly tall offshore structures.
  • the side walls are cut out at the bottom in the area of the projections so that the bottom edge of the overhangs is arranged above the water line of the hull while sailing.
  • the stern of the ship is therefore designed like a bracket so that the ship can sail with the hull above a pier, and a transfer site for the offshore structures is arranged between the projections.
  • Offshore structures placed on the transfer site can be picked up with the assistance of the crane arranged on the ship and set down on the ship.
  • the ship can therefore pick up offshore structures in a harbor without using harbor cranes. Cargo in a harbor can therefore be picked up without using the jack-up legs.
  • the ship is preferably fixed to the floor of the harbor when loading by lowering the jack-up legs.
  • the ship is a semi-submersible with ballast tanks integrated in the hull and pumps to fill the ballast tanks with ballast water and/or pump out the ballast water from the ballast tanks.
  • the ship can be sailed with empty ballast tanks to the setup site.
  • the ballast tanks can be flooded so that the ship is immersed lower and more stably in the water.
  • the position of the ship is additionally stabilized by the ballast.
  • the ship can also be used for other transportation purposes in which cargo has to be loaded and/or unloaded through the stern.
  • the ship can be used to transport pontoons or other floating cargo that can be floated into and out of the open stern.
  • the ship preferably has at least three jack-up leg systems for fixation in a stable position.
  • the ship has three jack-up leg systems, wherein one jack-up leg system is integrated at the midaxis in the front of the hull, and the two other jack-up leg systems are integrated in the rear of the hull in the two side walls.
  • the ship has four jack-up leg systems wherein two jack-up leg systems are integrated in the sidewalls in the front of the hull opposite each other, and the two other jack-up leg systems are integrated in the rear of the hull opposite each other in sidewalls.
  • the dimensions of the jack-up leg systems do not have to be as generous as is the case with the embodiment with three jack-up leg systems in which the front jack-up leg systems is exposed to greater loads than the two rear jack-up leg systems.
  • the bow of the ship can be designed in a conventional manner with or without a bow nose.
  • the ship as a deckhouse arranged at the front on the hull.
  • the deckhouse arranged at the front on the hull does not restrict the hold.
  • the ship has a propulsion system.
  • the ship has a marine propeller drive and front and rear maneuvering aids.
  • the marine propeller drive in connection with the bow thrusters enables the ship to be precisely positioned at the setup site and in the harbor before it is fixed with the jack-up legs.
  • the ship's propulsion system can comprise rudder propellers by means of which the ship can be precisely maneuvered.
  • the ship has a dynamic positioning system.
  • the ship can be automatically positioned at the setup site before it is fixed with the jack-up legs to the ocean floor.
  • the ship has equipment for fixing foundations and/or masts of vertically aligned wind turbines to the hull.
  • the fixing equipment comprises seats in the top side of the hull in which the foundations and/or masts can be inserted.
  • the seats can have a circle of holes to fix masts on which the mast can be placed with a threaded ring having a complementary circle of holes.
  • the mast can be screwed to the hull.
  • the seats are accessible by a gangway in the hull so that the screw fittings can be affixed and released if the threaded ring is arranged inside the mast.
  • the hull has fastening devices for lashing systems.
  • These can in particular be tension cables and/or rods with fasteners on their ends and clamping devices if necessary.
  • the ship can be equipped with offshore structures in various ways.
  • the ship is either equipped homogeneously with a plurality of foundations or masts of wind turbines sequentially arranged in the direction of the ship's longitudinal axis, or heterogeneously, with alternating masts and foundations of wind turbines.
  • a foundation is preferably arranged next to the stern of the ship since this has to be set down first, and then a mast is set on the foundation.
  • the position of the ship does not have to be changed.
  • the ship can be heterogeneously equipped with a group of masts followed by a group of foundations. After the foundations are set down, the masts can be attached to the set down foundations. At least one change of position is required to do this.
  • the ship is fixed to the floor of the harbor with the jack-up legs before being loaded, and the jack-up legs are removed from the floor of the harbor after loading.
  • the ship is immersed more deeply when it is fixed to the floor of the ocean by flooding the ballast tanks.
  • the floor of the ocean is thereby compressed below the jack-up legs to provide a solid base.
  • the ship is lifted with the jack-up legs with the hull at least partially out of the water.
  • This increases the load on the jack-up legs and fixes the ship more securely to the ground.
  • the buoyancy acts on the hull. This relieves the jack-up leg systems so that they do not have to be as strongly dimensioned as is the case with a ship with a hull that can be completely lifted out of the water with the jack-up leg systems.
  • the ship is positioned at the setup site for the offshore structures and/or at the loading site in the harbor with a dynamic positioning system until the jack-up legs are fixed.
  • the ship is loaded with offshore structures by moving the rear projections of the side walls of the ship over a pier so that the projections encompass a transfer site for offshore structures, and the offshore structures placed on the transfer site can be picked up with the assistance of a crane and placed on the hull.
  • the ship is loaded with wind turbines, and the wind turbines are placed on the transfer site.
  • the ship is loaded with foundations and/or masts of vertically aligned wind turbines, and the foundations and/or masts of the wind turbines are set up at the setup site.
  • the ship is loaded sequentially in a longitudinal direction with several foundations of wind turbines or several masts of wind turbines, or alternating masts and foundations of wind turbines, and the foundations are set up at the setup site, or the masts of the wind turbines are placed on foundations of wind turbines, or alternatingly, foundations are set up and the masts of the wind turbines are placed on them.
  • FIG. 1 a - c a ship with three jack-up leg systems equipped with foundations and masts of wind turbines in a side view ( FIG. 1 a ), a vertical lengthwise section ( FIG. 1 b ) and a plan view ( FIG. 1 c );
  • FIG. 2 a - c a ship with four jack-up leg systems equipped with foundations and masts of wind turbines in a side view ( FIG. 2 a ), a vertical lengthwise section ( FIG. 2 b ) and a plan view ( FIG. 2 c );
  • FIG. 3 a - i the ship from FIG. 2 during the trip ( FIG. 3 a ) with lowered jack-up legs at the setup site ( FIG. 3 b ), when picking up a foundation ( FIG. 3 c ), when lowering the foundation ( FIGS. 3 d and e ), when picking up a mast ( FIG. 3 f ), when transporting the mast ( FIG. 3 g ), when positioning the mast above the foundation ( FIG. 3 h ), when placing the mast on the foundation ( FIG. 3 i ), each in a vertical lengthwise section;
  • FIG. 4 a vertical lengthwise section of the ship from FIG. 2 with lowered jack-up legs and a hull lifted out of the water at the setup site;
  • FIG. 5 a - j the ship from FIG. 2 when maneuvering to a transfer site for wind turbines on a pier ( FIG. 5 a ), when encompassing the transfer site between the protections ( FIG. 5 b ), when lowering the jack-up legs into the floor of the harbor ( FIG. 5 c ), when picking up the mast of a wind turbine ( FIG. 5 d ), when lowering the mast onto the ship ( FIG. 5 e ), when moving the portal crane to the transfer position ( FIG. 5 f ), when picking up a foundation ( FIG. 5 g ), when placing the foundation on the hull ( FIG. 5 h ), when positioning the portal crane in trip position ( FIG. 5 i ), when sailing from the pier with lifted jack-up legs ( FIG. 5 j ), each in a vertical lengthwise section;
  • FIG. 6 a - c the ship from FIG. 2 homogeneously equipped with foundations in a side view ( FIG. 6 a ), in a vertical longitudinal section ( FIG. 6 b ) and plan view ( FIG. 6 c ).
  • FIG. 7 a - c the ship from FIG. 2 homogeneously equipped with masts of wind turbines in a side view ( FIG. 7 a ), in a vertical longitudinal section ( FIG. 7 b ) and plan view ( FIG. 7 c ).
  • a ship 1 . 1 for conveying and setting up offshore structures has a hull 2 having a U-shaped cross section with a floor 3 and side walls 4 . 1 , 4 . 2 .
  • the ship has a conventional bow 5 .
  • a deckhouse 6 is arranged in the front area on the ship.
  • a helicopter landing pad 7 is optionally provided.
  • the side walls 4 . 1 , 4 . 2 of the hull have projections 9 . 1 , 9 . 2 . projecting from the rear edge 8 of the floor 3 .
  • the projections 9 . 1 , 9 . 2 each have a cutout 10 . 1 , 10 . 2 , the top edge of which is disposed above the water line 11 when the ship is sailing.
  • the stern 12 of the ship is therefore designed in the shape of a bracket in a side view.
  • the hull 2 has a large opening 13 . In addition, it is open to the rear at the stern 12 .
  • a propulsion system located in the hull 2 comprises a marine propeller drive and front and rear maneuvering aids (such as bow thrusters) and the associated drive motors.
  • a loading deck 14 On the top side of the floor 3 is a loading deck 14 .
  • jack-up leg systems 15 . 1 , 15 . 2 , 15 . 3 with jack-up legs 16 . 1 , 16 . 2 , 16 . 3 are integrated in the hull 2 .
  • a jack-up leg system 15 . 1 arranged centrally on the mid-axis 17 .
  • two opposing additional jack-up leg systems 15 . 2 , 15 . 3 are integrated in the side walls 4 . 1 , 4 . 2 .
  • Each jack-up leg system 15 . 1 , 15 . 2 , 15 . 3 comprises a torsion box in which the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 are guided. At the bottom end, the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 have a stamp-shaped foot 18 . The jack-up legs 16 . 1 , 16 . 2 , 16 . 3 can be moved vertically in the torsion boxes. To this end, drives are integrated in the jack-up leg systems 15 . 1 , 15 . 2 , 15 . 3 that for example comprise hydraulic cylinders or gears that engage with racks. The drives of the jack-up leg systems 15 . 1 , 15 . 2 , 15 . 3 have electric motors, for example.
  • a portal crane 20 is movably arranged on rails.
  • the portal crane 20 has two sides supports 21 . 1 , 21 . 2 that are guided on the rails at the bottom by rollers. At the top, the supports 21 . 1 , 21 . 2 are bridged by a crane bridge 22 . Hoisting gear (not shown) with load lifting means is arranged on the crane bridge 22 .
  • the portal crane 20 has drive means (not shown) for moving the portal crane 20 along the top edges 19 . 1 , 19 . 2 of the sidewalls 4 . 1 , 4 . 2 .
  • the portal crane 20 can be moved from a position shortly behind the deckhouse 6 up to the projections 9 . 1 , 9 . 2 so that loads can be lowered with the hoisting gear through the opening 13 between the projections 9 . 1 , 9 . 2 .
  • the ship 1 . 1 is equipped with two complete wind turbines 23 .
  • the wind turbines 23 are divided into a foundation 23 . 1 and a mast 23 . 2 that bears the generator with the rotor 23 . 3 .
  • the foundation 23 . 1 and mast 23 . 2 can be vertically assembled in a conically designed connection area.
  • the foundations 23 . 1 are designed as tripods. Each foot of the tripod is equipped with a nail 23 . 4 in a vertical guide sleeve that can be driven into the ocean floor.
  • Rams are carried onboard the ship 1 . 1 for this purpose. These can be mounted on the top ends of the nails 23 . 4 and can be operated by means of flexible supply lines by a ship 1 . 1 power supply. This power supply can be electrical, hydraulic or pneumatic.
  • the masts 23 . 2 and foundations 23 . 1 are arranged sequentially in alternating sequence in the longitudinal direction of the ship 1 . 1 , and a foundation 23 . 1 is positioned at the rear.
  • the foundations and masts 23 . 2 of the windmills 23 are arranged vertically on the load deck 14 . In this position, they can be held or respectively secured by means of fixing devices (not shown).
  • the ship 1 . 2 in FIG. 2 differs from the one described above in that it has four jack-up leg systems 15 . 1 , 15 . 2 , 15 . 3 , 15 . 4 .
  • this ship 1 . 2 there are two front, opposing jack-up leg systems 15 . 1 , 15 . 2 integrated in the side walls 4 . 1 , 4 . 2 .
  • Ship 1 . 2 has a larger hold than ship 1 . 1 .
  • the portal crane 20 is in a position on the projections 9 . 1 , 9 . 2 for picking up and depositing cargo.
  • Ship 1 . 2 like ship 1 . 1 , is loaded with wind turbines 23 .
  • ship 1 . 1 or 1 . 2 has a tailgate (not shown) at the stern 12 that can be closed during the trip in order to prevent waves from entering.
  • the tailgate is preferably arranged at the back end of the hold or respectively at the rear edge 8 of the floor 3 , and preferably extends up to the top edge of the side walls 4 . 1 , 4 . 2 .
  • FIG. 3 a the ship is shown as it arrives at the setup site where it is kept in this position by means of a dynamic positioning system.
  • the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 are lowered at the setup site so that the feet 18 penetrate the sludge line 24 . 1 and rest on solid ground 24 . 2 .
  • the ship 1 . 2 is only lifted slightly by the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 so that the buoyancy acting on the hull 2 relieves the jack-up leg systems 15 . 1 , 15 . 2 , 15 . 3 , 15 . 4 .
  • the portal crane 20 is moved over the rear foundation 23 . 1 so that it can pick it up with the load lifting means (not shown).
  • the portal crane 20 lowers the foundation 23 . 1 between the projections 9 . 1 , 9 . 2 through the opening 13 .
  • the foundation 23 . 1 sits on the ocean floor 24 so that the nails 22 . 4 can be driven in. In this position, the connecting section of the foundation 23 . 1 extends above the water line 11 .
  • the portal crane 20 moves to the rear mast 23 . 2 and picks it up with the load lifting means.
  • FIGS. 3 g and h show the ship 1 . 2 while the mast 23 . 2 is being transported to the foundation 23 . 1 .
  • the mast 23 . 2 is joined to the foundation 23 . 1 at the conical connecting sections. Because the ship 1 . 2 is supported by the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 , the foundation 23 . 1 can be vertically aligned very precisely and easily joined to the mast 23 . 2 .
  • the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 are lifted, and the ship 1 . 2 is maneuvered to another set up site where the parts 23 . 1 , 23 . 2 of the other windmill 23 are set up.
  • the ship 1 . 2 can be lifted by means of the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 so that the hull 2 is disposed above the water line 11 .
  • the advantage is that the load from the swells on the hull and the jack-up leg system is substantially reduced.
  • FIG. 5 shows the ship 1 . 2 when loading wind turbines 23 .
  • the stern 12 of the ship 1 . 2 is moved to a pier 25 in the harbor. This is shown in FIG. 5 a .
  • the ship 1 . 2 is maneuvered so that it encompasses a loading position 26 for wind turbines 23 between the projections 9 . 1 , 9 . 2 on which a mast 23 . 1 is waiting.
  • the ship 1 . 2 is held by the dynamic positioning system.
  • the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 are lowered so that the feet 18 penetrate the floor 27 of the harbor, and the ship 1 . 2 is fixed in the loading position as shown in FIG. 5 c.
  • the portal crane 20 is moved to the projections 9 . 1 , 9 . 2 until it overlaps with the mast 23 . 2 .
  • the load lifting means are fastened to the mast 23 . 2 , and the mast is transported by means of the portal crane 20 into the position in FIG. 5 e . In this position, it is held and secured to the hull 2 by means of suitable fixing devices.
  • FIG. 5 f A foundation 23 . 1 is already ready between the projections.
  • the portal crane 20 moves toward the projections 9 . 1 , 9 . 2 into the position shown in FIG. 5 g .
  • the load lifting means pick up the foundation 23 . 1 , and the portal crane 20 lifts it into the position in the hold shown in FIG. 5 h .
  • another mast 23 . 2 is already shown that is placed on the transfer site 26 .
  • the portal crane 20 lifts the other mast 23 . 2 and another foundation 23 . 1 until the ship 1 . 2 is completely equipped with two wind turbines 23 as shown in FIG. 5 i .
  • FIG. 5 j the jack-up legs 16 . 1 , 16 . 2 , 16 . 3 , 16 . 4 are lifted, and the ship 1 . 2 is sailed to the setup site.
  • FIG. 6 shows an alternative equipping of the ship 1 . 2 with exclusively five foundations 23 . 1 .
  • This equipping can be preferable to equipping with complete wind turbines 23 consisting of foundations 23 . 1 and masts 23 . 2 when for example it appears advisable to transport a load that is less tall in difficult sea and weather conditions.
  • first exclusively foundations 23 . 2 are placed at various setup sites.
  • FIG. 7 shows an alternative equipping of the ship 1 . 2 exclusively with masts 23 . 2 .
  • This equipping can be preferable in good weather and favorable conditions to equip foundations 23 . 1 already placed at a setup site with masts 23 . 2 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Sustainable Energy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Wind Motors (AREA)
  • Ship Loading And Unloading (AREA)
  • Jib Cranes (AREA)
US13/248,421 2010-01-10 2011-09-29 Ship and Method for Conveying and Setting Up Offshore Structures Abandoned US20120255478A1 (en)

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EP10012695.2A EP2436593B1 (de) 2010-10-01 2010-10-01 Schiff und Verfahren zum Befördern und Aufstellen von Offshore-Strukturen

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CN103332269A (zh) * 2013-05-22 2013-10-02 江苏道达海上风电工程科技有限公司 背负式海上风电整机运输安装船
US8753040B2 (en) * 2012-11-14 2014-06-17 Ship And Ocean Industries R&D Center Offshore installation method of a wind power generator and its fabrication segments
US20140172244A1 (en) * 2012-12-17 2014-06-19 Doosan Heavy Industries & Construction Co., Ltd. System for controlling transport of heavy load, transport vehicle, and method of controlling transport of heavy load
WO2015077172A1 (en) * 2013-11-19 2015-05-28 Shell Oil Company Offshore rig installation and removal systems
US20150252791A1 (en) * 2012-11-06 2015-09-10 Mecal Wind Turbine Design B.V. Floatable transportation and installation structure for transportation and installation of a floating wind turbine, a floating wind turbine and method for transportation and installation of the same
WO2016138088A1 (en) * 2015-02-24 2016-09-01 University Of Maine System Board Of Trustees Method of construction, assembly, and launch of a floating wind turbine platform
EP3088735A1 (en) * 2015-04-28 2016-11-02 Siemens Aktiengesellschaft Method and arrangement to transport a tower of a wind turbine on a vessel
US9556636B2 (en) * 2014-06-27 2017-01-31 Tindall Corporation Method and apparatus for erecting tower with hydraulic cylinders
CN109441734A (zh) * 2018-09-18 2019-03-08 江苏华西村海洋工程服务有限公司 导管架吊运一体式施工工艺
US10377450B2 (en) 2014-07-17 2019-08-13 Modec, Inc. Method of constructing an offshore structure, and offshore structure
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CN112027001A (zh) * 2020-08-31 2020-12-04 广东工业大学 自升式海上整体风机安装船
US11021348B2 (en) * 2018-08-22 2021-06-01 Trent Zimmer Automated cargo transfer system
US11066138B2 (en) * 2019-08-01 2021-07-20 Mitsubishi Heavy Industries, Ltd. Floating structure installation system and floating structure installation method
NO20200727A1 (en) * 2020-06-19 2021-12-20 Cefront Tech As Method for transporting and assembling modules for floating support structures
CN114715336A (zh) * 2022-04-08 2022-07-08 长江勘测规划设计研究有限责任公司 适用于深水的海上风电筒型基础运输安装一体化船舶及安装方法
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JP7248422B2 (ja) * 2018-12-28 2023-03-29 川崎重工業株式会社 自己昇降式台船
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US20100293781A1 (en) * 2009-05-22 2010-11-25 Kok Seng Foo Offshore wind turbine installation
US8640340B2 (en) * 2009-05-22 2014-02-04 Keppel Offshore & Marine Technology Centre Pte Ltd Offshore wind turbine installation
US20120219364A1 (en) * 2009-11-27 2012-08-30 Sinovel Wind Group Co., Ltd. Vessel and method for transporting and hoisting the offshore wind turbine generator system
US20150252791A1 (en) * 2012-11-06 2015-09-10 Mecal Wind Turbine Design B.V. Floatable transportation and installation structure for transportation and installation of a floating wind turbine, a floating wind turbine and method for transportation and installation of the same
US9523355B2 (en) * 2012-11-06 2016-12-20 Mecal Wind Turbine Design B.V. Floatable transportation and installation structure for transportation and installation of a floating wind turbine, a floating wind turbine and method for transportation and installation of the same
CN105102317A (zh) * 2012-11-06 2015-11-25 美可尔风力涡轮机设计有限公司 用于运输和安装漂浮式风力涡轮机的可漂浮运输和安装结构、漂浮式风力涡轮机和用于运输和安装所述漂浮式风力涡轮机的方法
US8753040B2 (en) * 2012-11-14 2014-06-17 Ship And Ocean Industries R&D Center Offshore installation method of a wind power generator and its fabrication segments
US9254775B2 (en) * 2012-12-17 2016-02-09 Doosan Heavy Industries & Construction Co., Ltd. System for controlling transport of heavy load, transport vehicle, and method of controlling transport of heavy load
US20140172244A1 (en) * 2012-12-17 2014-06-19 Doosan Heavy Industries & Construction Co., Ltd. System for controlling transport of heavy load, transport vehicle, and method of controlling transport of heavy load
CN103332269A (zh) * 2013-05-22 2013-10-02 江苏道达海上风电工程科技有限公司 背负式海上风电整机运输安装船
WO2015077172A1 (en) * 2013-11-19 2015-05-28 Shell Oil Company Offshore rig installation and removal systems
US10704286B2 (en) * 2014-06-27 2020-07-07 Tindall Corporation Method and apparatus for erecting tower with hydraulic cylinders
US10577819B2 (en) 2014-06-27 2020-03-03 Tindall Corporation Method and apparatus for erecting tower with hydraulic cylinders
US9556636B2 (en) * 2014-06-27 2017-01-31 Tindall Corporation Method and apparatus for erecting tower with hydraulic cylinders
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US10215161B2 (en) 2015-02-24 2019-02-26 University Of Maine System Board Of Trustees Method of construction, assembly, and launch of a floating wind turbine platform
WO2016138088A1 (en) * 2015-02-24 2016-09-01 University Of Maine System Board Of Trustees Method of construction, assembly, and launch of a floating wind turbine platform
EP3088735A1 (en) * 2015-04-28 2016-11-02 Siemens Aktiengesellschaft Method and arrangement to transport a tower of a wind turbine on a vessel
US11021348B2 (en) * 2018-08-22 2021-06-01 Trent Zimmer Automated cargo transfer system
CN109441734A (zh) * 2018-09-18 2019-03-08 江苏华西村海洋工程服务有限公司 导管架吊运一体式施工工艺
NO345344B1 (en) * 2019-05-21 2020-12-21 Ægir Harvest As Floating wind turbine platform
WO2020236006A1 (en) * 2019-05-21 2020-11-26 Ægir Harvest As A floating structure and method of installation
NO20190637A1 (en) * 2019-05-21 2020-11-23 Ægir Harvest As Floating wind turbine platform
US20220234697A1 (en) * 2019-05-21 2022-07-28 Ægir Harvest As A floating structure and method of installation
US11066138B2 (en) * 2019-08-01 2021-07-20 Mitsubishi Heavy Industries, Ltd. Floating structure installation system and floating structure installation method
NO20200727A1 (en) * 2020-06-19 2021-12-20 Cefront Tech As Method for transporting and assembling modules for floating support structures
NO346824B1 (en) * 2020-06-19 2023-01-16 Ocean Ventus AS Method for transporting and assembling modules for floating support structures
CN112027001A (zh) * 2020-08-31 2020-12-04 广东工业大学 自升式海上整体风机安装船
US20230086622A1 (en) * 2021-09-23 2023-03-23 Ace E&T (Engineering & Technology) Method for assembling wind power generator by using installation ship for floating-type offshore wind power generation
US11814144B2 (en) * 2021-09-23 2023-11-14 Ace E&T (Engineering & Technology) Method for assembling wind power generator by using installation ship for floating-type offshore wind power generation
CN114715336A (zh) * 2022-04-08 2022-07-08 长江勘测规划设计研究有限责任公司 适用于深水的海上风电筒型基础运输安装一体化船舶及安装方法

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PL2436593T3 (pl) 2014-04-30
SG179382A1 (en) 2012-04-27
EP2436593B1 (de) 2013-11-27
KR20120034576A (ko) 2012-04-12
DK2436593T3 (en) 2014-02-17
HRP20140007T1 (hr) 2014-02-14
KR101412094B1 (ko) 2014-06-26
JP5639557B2 (ja) 2014-12-10
CA2752960A1 (en) 2012-04-01
ES2444436T3 (es) 2014-02-25
PT2436593E (pt) 2013-12-05
SG10201401062VA (en) 2014-07-30
CN102442410A (zh) 2012-05-09
EP2436593A1 (de) 2012-04-04
JP2012076738A (ja) 2012-04-19

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