WO2022108456A1 - Appareil de manipulation et procédé d'accouplement d'un module - Google Patents

Appareil de manipulation et procédé d'accouplement d'un module Download PDF

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Publication number
WO2022108456A1
WO2022108456A1 PCT/NO2021/050243 NO2021050243W WO2022108456A1 WO 2022108456 A1 WO2022108456 A1 WO 2022108456A1 NO 2021050243 W NO2021050243 W NO 2021050243W WO 2022108456 A1 WO2022108456 A1 WO 2022108456A1
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WO
WIPO (PCT)
Prior art keywords
module
foundation
handling apparatus
actuators
vessel
Prior art date
Application number
PCT/NO2021/050243
Other languages
English (en)
Inventor
Ole Petter HJELMSTAD
Original Assignee
Ægir Harvest As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ægir Harvest As filed Critical Ægir Harvest As
Publication of WO2022108456A1 publication Critical patent/WO2022108456A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • B63B77/10—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms specially adapted for electric power plants, e.g. wind turbines or tidal turbine generators
    • 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
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
    • B63B2017/0072—Seaway compensators
    • 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
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/502—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers by means of tension legs
    • 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
    • F03D13/10—Assembly of wind motors; Arrangements for erecting 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
    • 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
    • F05B2230/00—Manufacture
    • F05B2230/60—Assembly methods
    • F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
    • F05B2230/6102—Assembly methods using auxiliary equipment for lifting or holding carried on a floating platform
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to floating structures that are configured for carrying a module or other devices above a body of water, and to associated methods of installation. More specifically, the invention concerns a handling apparatus, a method of mating a module with a foundation by means of the handling apparatus, and a method of separating a module from a foundation by means of the handling apparatus.
  • the module may be a tower structure carrying a wind turbine.
  • Floating wind is currently expensive compared to on-shore and bottom fixed offshore wind farms.
  • Most of the currently known floating wind platform concepts use very large and expensive foundations.
  • the wind turbines are mounted to the platforms using large on-shore cranes or floating cranes. After assembly, the platforms are towed off-shore one by one and anchored to the seabed.
  • the foundations are transported offshore and driven into the seabed, and the wind turbines are mounted on the foundations using very large offshore crane vessels. Off-shore heavy lifting is both very complex and expensive.
  • a handling apparatus configured for being arranged on a floating vessel, characterized by: a first holding device configured for releasably holding a first interface member of a foundation; a second holding device configured for releasably holding a second interface member of a module; wherein the first and second holding devices are movably connected to a motion compensation mechanism comprising a pitch structure which is movably connected to a roll structure, which is rotatably connected to the vessel; load transfer devices configured for raising and lowering the module.
  • each load transfer device comprises a first actuator configured for abutting against a first abutment portion on the foundation and a second actuator configured for raising and lowering at least a portion of the load transfer device.
  • the load transfer device comprises a first end configured for abutting against a second abutment portion on the module.
  • step c) comprises d) extending first actuators until abutment elements rest on respective parts of a first abutment portion on the foundation; e) controllably transferring the weight of the module from the second actuators to the first actuators; f) retracting the first actuators, lowering the module onto the first interface member.
  • steps e) and f) - the first and second actuators are controlled to compensate for any heave between the module and the foundation.
  • the module is supported by first and second holding devices during mating, and released upon completion of step c).
  • the method of mating may comprise a plurality of modules to be mated with respective foundations, each module supported by a respective handling apparatus.
  • the mating may be preceded by transporting one or more modules to an installation location.
  • a method of separating a module from a foundation by means of the handling apparatus according to the invention arranged on a floating vessel characterized by: a) positioning the handling apparatus near the foundation; b) supporting a first interface member of a foundation by a first holding device and supporting a second interface member of a module by a second holding device; c) operating the load transfer devices to transfer the weight of the module from the foundation to the handling apparatus.
  • step c) comprises d) extending first actuators until abutment elements rest on respective parts of a first abutment portion on the foundation; e) extending first actuators to separate the first and second interface members; f) transferring the weight of the module from the first actuators to the second actuators; g) transferring the weight of the module from the second actuators to a portion of the handling apparatus.
  • - between steps f) and g) - the first and second actuators are controlled to compensate for any heave between the module and the foundation.
  • the method of separation may comprise a plurality of modules to be separated from respective foundations, each module supported by a respective handling apparatus.
  • the method of separation may be followed by transporting one or more modules to an onshore location.
  • the invention provides a novel and inventive approach to offshore windfarming technology.
  • the module i.e. wind turbine and tower
  • the foundation may be fabricated, assembled, outfitted, and commissioned as separate units at onshore locations and transported individually to an offshore installation site, where the two are mated.
  • TLP motion characteristics are more favourable for a wind power plant than those of a semi-submersible platform. While a semi-submersible platform is movable in all six degrees of freedom, the TLP normally exhibits a pendulum-like movement patter.
  • a TLP is therefore a better choice of platform for a wind turbine, as the nacelle and turbine are not exposed to large accelerations.
  • the power cables connected to the foundation will also have a longer lifespan when connected to a TLP, compared to being connected to a semi-submersible platform.
  • Figure 1 is a perspective view of an embodiment of a wind turbine plant according to the invention, comprising a wind turbine, a tower, and a floating foundation, in an assembled state in which it may be operative to generate electricity;
  • Figure 2 is a perspective view, from a submerged position, of a vessel in position near a moored foundation, carrying a module (i.e. an assembly of a wind turbine and tower).
  • a module i.e. an assembly of a wind turbine and tower.
  • FIGS 3 and 4 are two different perspective views of the foundation illustrated in figures 1 and 2;
  • Figure 5 is an enlarged view of the area marked “A” in figure 3;
  • Figure 6 is a view in the tower axial direction of the portion illustrated in figure
  • Figure 7 is a perspective view of a fabrication sequence for a foundation, corresponding to the foundation illustrated in figures 1 and 2;
  • Figure 8 is a perspective view of a towing operation of a plurality of foundations
  • Figures 9 and 10 illustrate various steps in the installation of a floating foundation
  • Figure 11 is a perspective view of an assembled wind turbine and tower, corresponding to the wind turbine and tower (also referred to as a module) illustrated in figure 1;
  • Figure 12 is an enlarged view of the area marked “B” in figure 11, but from a different perspective;
  • Figure 13 is a view in the tower axial direction of the portion illustrated in figure
  • Figures 14 and 15 are perspective views of different steps in a typical load-out procedure of a plurality of the wind turbine and tower as illustrated in figure 11, onto a floating vessel;
  • Figure 16 is a perspective view of an embodiment of the handling apparatus according to the invention, installed on the deck of a vessel;
  • Figure 17 is an exploded view of the handling apparatus illustrated in figure 16;
  • Figures 18, 19, and 20 are perspective views of components of the handling apparatus
  • Figure 21 is an enlarged view of the area marked “C” in figure 17;
  • Figure 22 is a font elevation view of the handling apparatus and a lower portion of the tower, in which holding devices have been removed for clarity of illustration, and illustrates a configuration in which the module may be transported on a vessel;
  • Figure 23 corresponds to figure 22, and illustrates a configuration in which the tower (module) may be mated with the foundation, or a configuration immediately following separation between module and foundation;
  • Figure 24 corresponds to figure 23, but the holding devices are illustrated;
  • Figure 25 corresponds to figure 23 and illustrates a stage in the load transfer procedure, in which the weight of the module is transferred from the vessel and onto the foundation, or vice versa;
  • Figure 26 corresponds to figure 25 and illustrates a state in which the module and foundation have been mated.
  • Figure 27 corresponds to figure 26 and illustrates a state in which the vessel carrying the handling apparatus - now disengaged from the module and foundation - has retracted from the mated module and foundation.
  • Figure 1 shows an embodiment of the wind turbine plant 1 according to the invention, in an assembled state in which it may be operative to generate electricity.
  • This embodiment comprises a wind turbine 2 supported by a tower 3, and a foundation 4 which supports the tower.
  • the tower 3 may be a circular, tapered, column, which is well known in the art, but shall not be limited to such configurations.
  • the wind turbine 2 may be of a type which is known in the art, and comprises a rotor 5 and generator (not shown, inside a nacelle 6).
  • the tower may support equipment and devices other than a wind turbine. Therefore, in the following, the wind turbine 2 and tower 3 may collectively be referred to as a module 26.
  • the foundation 4 is in the illustrated embodiment a buoyant foundation, configured for floating in a body of water (not shown), and comprising internal buoyancy chambers and means (e.g. pumps, valves; not shown) for controlled ballasting and deballasting.
  • means and structures are well known in the art, and need therefore not be illustrated or described in detail.
  • the foundation 4 is configured for permanent mooring to a seabed (not shown) by means of a plurality of tethers 7.
  • the tethers may be of a type which are used on conventional tension-leg platforms (TLPs), but preferably comprise one or more flexible ropes, such as fibre ropes.
  • the foundation 4 comprises a first interface member 8, here in the form of an upwardly extending column. See also figures 3 and 4. Ports 11 are arranged on the foundation underside (figure 4). Power cables, control cables, umbilicals, and the like may be introduced through these ports 11.
  • the tower 3 At its lower end the tower 3 comprises a second interface member 9, which is configured for mating connection to the first interface member. These members are described in more detail in sections below.
  • the second interface member 9 may be an integrated part of the tower 3, or may be in the firm of an adapter configured for connection (eg retrofitting) to a tower. In the illustrated embodiment, the second interface member 9 comprises an adapter 10 having a circumference greater than the tower 3 circumference.
  • FIG 2 corresponds to figure 1, but shows in addition a vessd 24 in position near the moored foundation 4.
  • a handling apparatus 31 is installed on the vessd and is holding the module 26 (i.e. the assembly of a wind turbine 2 and tower 3), and tire vessd 24 is positioned such that the handling apparatus 31 is able to grip the column (first interface member) 8 of the floating foundation 4 (with devices that are described in subsequent sections).
  • the module 26 may other be lifted up from, or lowered down onto the foundation 4. These procedure are described in sections bdow.
  • the first interface member 8 comprises a first interface region 12.
  • This region 12 comprises cable hang-off structures 13 (for power cables, etc.), a first guide-and-locking structure 14, access hatches 15 for access to internal chambers (e.g ballast chambers), a first flange connection 16, and a first abutment portion 17 (the function of which is described in sections below).
  • Figure 7 illustrates a typical fabrication sequence for the foundation 4.
  • Pontoon legs 18 (comprising buoyancy chambers) are assembled into a group of three, thereby forming the foundation base 19.
  • a column 8 is mounted onto the foundation base, thereby forming the completed foundation 4.
  • These components are made of materials suitable for the intended purpose, such as concrete or sted.
  • Completed foundations 4 may be transported to the designated installation location at sea (e.g an offshore location) on a suitable vessd or by being towed by one or more vessels 24 and towing lines 53, individually or in groups, as illustrated in figure 8.
  • the foundation may be installed at the designated location by a ballasting and deballasting operation winch per se is known in the art, and connected to the seabed by the tethers 7 shown in e.g figures 3 and 4.
  • Figure 9 shows a foundation at an installation site prior to hook-up to pre-installed tethers 7. Prior to hook-up, the pre-installed tethers 7 are typically supported by buoyancy modules (not shown, for clarity).
  • the foundation is lowered to maximum draught Si by operating a ballasting 54 module temporarily arranged on top of the foundation, pumping water into the ballast tanks prior to connecting the tethers, see figure 10.
  • a ballasting 54 module temporarily arranged on top of the foundation, pumping water into the ballast tanks prior to connecting the tethers, see figure 10.
  • the ballast tanks are de-ballasted to operational draft So, thus tensioning the tethers.
  • Such installation procedure is well known in relation to conventional tension-leg platforms (TLPs).
  • TLPs tension-leg platforms
  • the second interface member 9 comprises a second interface region 23.
  • This region 23 comprises second a guide-and-locking structure 20 (for mating interaction with the first guide-and-locking structure 14), a second flange connection 21 (for mating interaction with the first flange connection 16), and a second abutment portion 22.
  • the first and second guide-and-locking structures 14, 20 are used during mating and separation of foundation 4 and module 26 (wind turbine and tower) in a manner which per se is well known in the art.
  • the first and second flange connections 16, 21 are used for forming a firm connection between the foundation 4 and module 26, and thus constitute module- to-foundation connection means. Such flange connections are well known in the art and need therefore not be described further. It should be understood that the connection between the tower and foundation may be made by other connection means.
  • FIGS 14 and 15 illustrate a typical load-out procedure for a plurality of modules 26 (i.e. completed assemblies of wind turbine 2 and tower 3), onto a floating vessel 24.
  • the vessel is arranged alongside a quay 25.
  • the figures show three modules 26a-c, but it should be understood that the load-out system and method may be used for one or more modules.
  • a load-out vehicle 27 comprises an interface stub 28 which has structural similarities with the first interface member 8 described above with reference to figures 4 and 5. That is, the interface stub 28 comprises at least an interface region having guide- and-locking structure (corresponding to the first guide-and-locking structure 14), a flange (corresponding to the first flange 16), and an abutment portion (corresponding to the first abutment portion 17).
  • Each module 26 may thus be placed on a respective load- out vehicle 27, by interconnecting the second interface region 23 and the interface stub 28.
  • the load-out vehicle 27 comprises wheels, crawlers, or similar motive means (not shown) and is movable either by an internal motor or by external means.
  • the load-out vehicles may be arranged to move on designated rails 29.
  • the vessel 24 may comprise a turntable 30, by means of which individual assemblies of modules 26 and load-out vehicles 27 may be arranged on the vessel. It should be understood that the vessel may transport a plurality of modules, arranged on the turntable or placed on the vessel deck in other configurations. It should also be understood that a reverse procedure is conceivable, in which one or more modules are offloaded from the vessel and onto the quay 25.
  • the vessel 24 comprises a handling apparatus 31 which is used for lifting the module onto and off of the vessel, as well as for installing and removing the module onto and off of a foundation 4, as will be described in the following. It should be understood that the vessel may comprise more than one handling apparatus 31.
  • Figure 16 illustrates an embodiment of the handling apparatus 31 according to the invention, installed on the deck 32 of a vessel 24.
  • the vessel used for the transportation and mating of the module may therefore be any vessel, such as a barge, an autonomous vessel, a remotely controlled vessel, or a conventional construction or utility vessel.
  • Support elements 33 here in the form of grillage beams, provide the interface between the handling apparatus and the vessel deck.
  • the support elements 33 may be connected to the deck by any known means, or may be integrated into the vessel.
  • One or more intermediate members may be arranged between the support beams and the deck.
  • One such member may be a turntable. It will be understood that removable support elements provide for rapid vessel mobilisation and demobilisation.
  • a pair of beam members 34 here in the form of cantilever beams, are rotatably supported by the support elements 33.
  • a roll structure 35 is hingedly connected to first end portions 34a of the beam members 34.
  • the opposite end portions 34b comprise weights 34c having a mass suitable for the intended operation, by means of which the beam members may be appropriately balanced.
  • the roll structure is configured to compensate for the vessel’s roll motion.
  • the roll structure comprises a curved, cradle-like, portion 57 which is configured for receiving a pitch structure 36.
  • the pitch structure 36 which comprises a curved portion which is complementary to the curved portion 57, compensates for the vessel’s pitch motion.
  • the pitch structure 36 is mechanically connected to the roll structure in a manner which is known in the art.
  • a friction-reducing material (not shown) may be arranged on or between the pitch and roll structures’ contact surfaces.
  • the handling apparatus 31 comprises a pair of load transfer devices 39, shown in figure 17. It should be understood that a plurality (i.e. more than two) load transfer devices may be used.
  • the load transfer device 39 comprises a main structure 40, having a first end 40a and a second end 40b.
  • a movable support member 43 is rotatably connected to the region of the second end 40b (at reference number 47 in figure 20).
  • a first actuator 41 is rotatably connected to the region of the first end 40a (at reference number 48 in figure 20).
  • the first actuator 41 comprises an abutment element 44.
  • a second actuator 42 is rotatably connected to the main structure 40 between the first and second ends (at reference number 46 in figure 20), preferably nearer to the first end than to the second end.
  • the second actuator 42 comprises a rotatable connection member 45, at a distal end from the actuator’s connection to the main structure.
  • this rotatable connection member 45 is rotatably connected to the pitch structure 36 at reference number 49 (see figure 21).
  • the movable support member 43 is slidably arranged in a first support opening 52 in the pitch structure.
  • the main structure 40 extends through a second support opening 50 in the pitch structure (see figure 21), such that the first and second actuators 41, 42 are arranged on opposite sides of the second support opening 50.
  • the main structure 40 comprises support region 51 which may be supported by the second support opening 50.
  • the first and second actuators 41, 42 may be hydraulic cylinders, but other actuators are conceivable.
  • first and second holding devices 37, 38 Rotatably connected to the pitch structure 36 are first and second holding devices 37, 38 (see figure 16).
  • the first holding device 37 is configured for holding and securing the foundation 4 via a portion of the first interface member 8.
  • the second holding device 38 is configured for holding and securing the tower via the second interface member 9, preferably the adapter 10.
  • Each holding device 37, 38 may comprise two parts 37a,b and 38a,b, as illustrated in figure 17.
  • FIGS 22 to 27 illustrate a sequence of mating the module 26 (i.e. tower and wind turbine) and the foundation 4.
  • the holding devices 37, 38 have been removed from the drawings in order to better illustrate the operation of the handling apparatus. It shall be understood that a removal of the module from a foundation may be performed using the reversed sequence than the one described in the following.
  • Figure 22 shows a lower part of the tower 3 in a position in which the module 26 may be transported by the vessel.
  • the holding devices 37, 38 are not shown.
  • the first and second actuators 41, 42 are retracted, the support region 51 is being supported by the second support opening 50, and the movable support member 43 is supported by the first support opening 52.
  • Both load transfer devices 39 are thus inactive and statically supported by the pitch structure.
  • the first end 40a of each load transfer device is in abutting engagement with respective portions of the second abutment portion on the tower, whereby the entire module 26 is supported.
  • Figure 23 shows the module (here: a lower part of the tower) in a position ready for mating with a foundation (on a first interface member, or column, 8).
  • the holding devices 37, 38 are arranged as described above to hold and align the first and second interface members 8, 9.
  • the first holding device restricts relative motion between the vessel and the first interface member (column) 8 in the horizontal plane, while the second holding device secures the module by gripping and holding the second interface member 9.
  • the second actuators 42 have been extended to elevate the first end 40a on the load transfer device 39, and thus the raising (lifting) the entire module vertically.
  • Figure 25 illustrates a stage in the load transfer procedure, i.e. in which the weight of the module is transferred from the vessel 24 and onto the foundation 4.
  • the first actuators 41 have been extended such that the abutment elements 44 rest on respective parts of the first abutment portion 17.
  • both actuators may be active to compensate for any relative movements (e.g. heave) between the vessel and the foundation.
  • the load (weight of the module) is transferred from the second actuators 42 to the first actuators 41, in a controlled manner.
  • the entire load has been transferred to the first actuators 41, the entire module is carried by the foundation, via the extended first actuators.
  • the module (i.e. wind turbine and tower) and foundation are thus allowed to move axially (vertically) as one object, relative to the pitch structure 36 and movably supported sideways by the holding devices 37, 38. Four of the six degrees of freedom are thus constrained by the holding devices.
  • the first actuators 41 may be retracted, lowering the module onto the first interface member.
  • Figure 26 illustrates this situation, in which the mating procedure has been completed.
  • the first and second guide-and-locking structures 14, 20 (described above with reference to figures 5, 6, 12, 13) may now be activated, for example remotely, thereby providing a temporary connection between the foundation and tower.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un appareil de manipulation (31), configuré pour être disposé sur un navire flottant (24), comprenant un premier dispositif de maintien (37 ; 37a,b) configuré pour maintenir de manière libérable un premier élément d'interface (8) d'une fondation (4) ; un second dispositif de maintien (38 ; 38a,b) configuré pour maintenir de manière libérable un second élément d'interface (9) d'un module (26). Les premier et second dispositifs de maintien sont reliés de manière mobile à un mécanisme de compensation de mouvement comprenant une structure de tangage (36) qui est reliée de manière mobile à une structure de roulis (35), qui est reliée de manière rotative au navire, et comprend des dispositifs de transfert de charge (39) configurés pour lever et abaisser le module (26). L'invention concerne également des procédés d'accouplement et de séparation du module et de la fondation. Le module peut être une structure de tour portant une éolienne.
PCT/NO2021/050243 2020-11-20 2021-11-19 Appareil de manipulation et procédé d'accouplement d'un module WO2022108456A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20201271 2020-11-20
NO20201271 2020-11-20

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WO2022108456A1 true WO2022108456A1 (fr) 2022-05-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024146699A1 (fr) * 2023-01-06 2024-07-11 Rwe Offshore Wind Gmbh Procédé et système d'installation au moins de parties d'une turbine éolienne sur une fondation flottante

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004103807A1 (fr) * 2003-05-21 2004-12-02 Haugsoeen Per Bull Procede et dispositif pour installer une eolienne en mer
US20090217852A1 (en) * 2008-02-29 2009-09-03 Winergy Llc Method and apparatus for transporting and mounting offshore wind generators
US20110056168A1 (en) * 2009-09-10 2011-03-10 National Oilwell Varco, L.P. Windmill installation system and method for using same
WO2011110818A2 (fr) * 2010-03-10 2011-09-15 W3G Marine Ltd Structures offshore et appareil et procédés associés
KR20120020356A (ko) * 2010-08-30 2012-03-08 삼성중공업 주식회사 선박 및 그를 이용한 해상 플랫폼 해체 방법
GB2485868A (en) * 2010-11-26 2012-05-30 Houlder Ltd Motion compensated lift shaft transfer apparatus
WO2013108981A1 (fr) * 2012-01-17 2013-07-25 한국해양과학기술원 Procédé pour installer une éolienne et appareil pour ce procédé
WO2014070015A1 (fr) * 2012-11-01 2014-05-08 Ihc Holland Ie B.V. Dispositif et méthode de transfert de personnel, d'équipement et/ou d'éléments structurels d'un navire de surface à une structure offshore
US20160160836A1 (en) * 2014-12-09 2016-06-09 Sofec, Inc. Apparatus and method of using a disconnectable floating spar buoy jacket wind turbine
US20190071830A1 (en) * 2017-09-05 2019-03-07 Sofec, Inc. Offshore structure mating system and installation method
WO2020043256A1 (fr) * 2018-08-31 2020-03-05 Maersk Supply Service A/S Procédé et système d'installation de grue sur une partie d'une éolienne en mer et adaptateur de grue amovible associé
WO2020231261A1 (fr) * 2019-05-15 2020-11-19 Kenz Figee Group B.V. Dispositif et procédé d'installation d'ensemble éolienne

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004103807A1 (fr) * 2003-05-21 2004-12-02 Haugsoeen Per Bull Procede et dispositif pour installer une eolienne en mer
US20090217852A1 (en) * 2008-02-29 2009-09-03 Winergy Llc Method and apparatus for transporting and mounting offshore wind generators
US20110056168A1 (en) * 2009-09-10 2011-03-10 National Oilwell Varco, L.P. Windmill installation system and method for using same
WO2011110818A2 (fr) * 2010-03-10 2011-09-15 W3G Marine Ltd Structures offshore et appareil et procédés associés
KR20120020356A (ko) * 2010-08-30 2012-03-08 삼성중공업 주식회사 선박 및 그를 이용한 해상 플랫폼 해체 방법
GB2485868A (en) * 2010-11-26 2012-05-30 Houlder Ltd Motion compensated lift shaft transfer apparatus
WO2013108981A1 (fr) * 2012-01-17 2013-07-25 한국해양과학기술원 Procédé pour installer une éolienne et appareil pour ce procédé
WO2014070015A1 (fr) * 2012-11-01 2014-05-08 Ihc Holland Ie B.V. Dispositif et méthode de transfert de personnel, d'équipement et/ou d'éléments structurels d'un navire de surface à une structure offshore
US20160160836A1 (en) * 2014-12-09 2016-06-09 Sofec, Inc. Apparatus and method of using a disconnectable floating spar buoy jacket wind turbine
US20190071830A1 (en) * 2017-09-05 2019-03-07 Sofec, Inc. Offshore structure mating system and installation method
WO2020043256A1 (fr) * 2018-08-31 2020-03-05 Maersk Supply Service A/S Procédé et système d'installation de grue sur une partie d'une éolienne en mer et adaptateur de grue amovible associé
WO2020231261A1 (fr) * 2019-05-15 2020-11-19 Kenz Figee Group B.V. Dispositif et procédé d'installation d'ensemble éolienne

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024146699A1 (fr) * 2023-01-06 2024-07-11 Rwe Offshore Wind Gmbh Procédé et système d'installation au moins de parties d'une turbine éolienne sur une fondation flottante

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