EP2298641B1 - Dispositif de connexion entre un navire et une centrale éolienne ainsi que navire - Google Patents

Dispositif de connexion entre un navire et une centrale éolienne ainsi que navire Download PDF

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Publication number
EP2298641B1
EP2298641B1 EP10175687A EP10175687A EP2298641B1 EP 2298641 B1 EP2298641 B1 EP 2298641B1 EP 10175687 A EP10175687 A EP 10175687A EP 10175687 A EP10175687 A EP 10175687A EP 2298641 B1 EP2298641 B1 EP 2298641B1
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EP
European Patent Office
Prior art keywords
vessel
mooring device
wind power
power plant
attached
Prior art date
Legal status (The legal status 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 status listed.)
Not-in-force
Application number
EP10175687A
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German (de)
English (en)
Other versions
EP2298641A2 (fr
EP2298641A3 (fr
Inventor
Pauli Immonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mobimar Oy
Original Assignee
Mobimar Oy
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 Mobimar Oy filed Critical Mobimar Oy
Publication of EP2298641A2 publication Critical patent/EP2298641A2/fr
Publication of EP2298641A3 publication Critical patent/EP2298641A3/fr
Application granted granted Critical
Publication of EP2298641B1 publication Critical patent/EP2298641B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • 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

Definitions

  • the invention relates to a mooring device and a method for mooring a vessel to a wind power plant according to the preambles of the independent claims presented below.
  • the invention also relates to a vessel, which can be moored to a wind power plant.
  • Electric energy is produced both by using renewable and non-renewable natural resources.
  • Kyoto protocol approved in 1997 the interest in limiting greenhouse emissions and thus controlling climate change has increased.
  • the share of electricity produced with renewable natural resources out of the total electricity production has grown during the last few years.
  • Especially the use of wind power has increased significantly.
  • Wind power plants are usually placed in groups of a few units in coast and sea areas and in elevated and open inland areas.
  • the power of a single wind power plant is typically 1-3 MW and the height can even be over 100 m.
  • the mean wind speed must be at least 6 m/s at the location of the wind power plant.
  • the transfer of people and equipment is carried out so that the prow of the service vessel is driven against impact shields attached to the body of the wind power plant and the vessel is held to the impact shields with the aid of a propulsion force obtained with a propulsion device of the vessel.
  • the aim is to keep the vessel in place with the aid of the steering devices of the vessel and by adjusting the propulsion force of the propulsion device.
  • a problem with the method is that keeping the vessel in place is difficult and in practice impossible in rough seas. Thus the transfer of the personnel from the vessel to the wind power plant and back may even be life-threatening.
  • a propulsion device is used in the method for keeping the vessel moored to the wind power plant, the method is only applicable for short-term mooring.
  • Rope or another corresponding mooring means is typically used for long-term mooring. Mooring of the rope to the wind power plant and detaching thereof from the wind power plant are however difficult and dangerous, especially in rough seas.
  • Publication WO 02/20343 A1 shows a vessel, which has an apparatus, with the aid of which the vessel can be moored to a pillar structure at sea.
  • the apparatus comprises a telescopically adjustable landing platform, the first end of which is attached to the vessel.
  • the second end of the landing platform is equipped with a gripping means, with which the pillar structure is gripped.
  • a problem with the apparatus is that when the vessel is moored, the position and length of the landing platform may freely change, which makes the transfer of people to the vessel and away from the vessel harder, especially in rough seas.
  • a typical mooring device according to the invention for mooring a vessel to a wind power plant comprises a frame and a joint arranged in connection with the frame, with the aid of which joint the mooring device can be attached to the vessel.
  • a typical mooring device according to the invention is characterized in that it comprises at least two gripping means for gripping the impact shields of the wind power plant, which gripping means are attached to the frame in an immobile manner.
  • the vessel moored to the wind power plant can move only so that it rotates around a pivot point defined by the joint connecting the vessel and the frame. Due to the immobile attachment, the gripping means cannot rotate in relation to the frame.
  • the mooring device according to the invention is suitable for use even in 2.5 meter high waves.
  • the joint is preferably of a three axis type.
  • the joint is typically formed of two parts, of which the first joint part attaches to the frame and the second joint part to the vessel.
  • the joint may for example be a ball joint, the ball-shaped joint surface of which allows movement directed in all spatial directions.
  • the mooring device makes possible the mooring of a vessel, such as for example a boat or a ship, to a wind power plant at sea.
  • the mooring is achieved with gripping means, with which the impact shields of the wind power plant are gripped.
  • the gripping means are used to grip two vertical impact shields, which are situated at a distance from each other.
  • the pressing force of the gripping means is preferably dimensioned so that the grip of the gripping means holds even in rough seas.
  • the mooring device according to the invention is also applicable for mooring to impact shields of other structures at sea, such as oil rigs and production platforms.
  • wind power plant means a device, with which the motion energy of the wind, i.e. the flowing air, is via rotating blades transformed into rotation energy of a turbine axis.
  • the axis further rotates a generator, which produces electricity.
  • the wind power plant typically further comprises a transmission, with the aid of which the rotating motion is adapted to suit the generator, and a mast, to the top end of which the machinery of the wind power plant is installed.
  • the impact shield of the wind power plant means a structure attached at the bottom end of the mast of the wind power plant, near the sea surface, the purpose of which structure is to prevent the vessel from hitting the mast of the wind power plant and thereto attached other structures, such as ladders, and to thereby protect the wind power plant from damage.
  • the prow of the vessel is driven against the impact shields of the wind power plant and the vessel is kept attached to the impact shields with the aid of the propulsion force achieved with the propulsion device of the vessel.
  • the impact shields are typically tube-like structures parallel to the mast, the distance between which is 1-3 m and the diameter of which is 200-350 mm.
  • the wind power plant usually has at least two impact shields.
  • the gripping means comprises a frame part, which is attached to the frame in an immobile manner, and a first gripping arm and a second gripping arm, which are turnably attached to the frame part.
  • the gripping arms are attached to the frame part so that they form a grab, which can be used to grip the impact shield.
  • the gripping arms function as jaws, between which the impact shield is pressed.
  • the gripping arms are preferably arranged to be moveable, so that they move in the same plane.
  • the gripping arms can be attached to the frame part for example with the aid of a hinge.
  • a gripping means has been attached at both ends of the frame.
  • the frame is preferably elongated.
  • the advantage with more than one gripping means is that different impact shields can then be gripped and thus a sturdier mooring to the wind power plant is achieved.
  • the distance between the gripping means is typically essentially the same as the distance between the impact shields, whereby more than one impact shield can be held on to at the same time.
  • the distance between the gripping means can be for example in the range on 1-2 m or 2-3 m.
  • the distance between the gripping means can also be adjustable, whereby said distance is adjustable to the distance between the impact shields of different wind power plants.
  • the frame of the mooring device can have an elongated shape, in the longitudinal direction of which frame the gripping means are moveable to achieve a desired distance.
  • the mooring device comprises at least one damper for damping the movement between the mooring device and the vessel, the first end of which damper is attached to the frame and the second end of which damper can be attached to the vessel. Both ends of the damper are preferably attached in a pivoted manner.
  • the damper can for example be a spring damper or a hydraulic damper.
  • the damper is characterized in that it strives to return to its balance position, when an external force affects it. Thus the damper strives to keep the mutual position of the mooring device and the vessel unchanged.
  • the damper between the frame of the mooring device and the vessel generates a force, which strives to return the vessel into its original position.
  • the propulsion device and/or the steering devices of the vessel can also be used for returning the vessel to its original position.
  • a damper is attached at both ends of the frame.
  • dampers can also be more than two, for example three, four, five or six, dampers attached to the frame.
  • the damping of the damper is adjustable. Changing the damping of the damper affects what kind of response a certain impulse generates in the damper. In other words how the damper reacts to the movements of the vessel.
  • the damper can be adjusted for example so that a small force directed onto the damper generates a large change in the length of the damper.
  • the damper can be adjusted so that even a small change in the length of the damper requires a large force to be directed onto it.
  • the damping can affect the magnitude of the forces directed onto the mooring device.
  • the length of the damper corresponding to the balance position of the damper is adjustable.
  • the length of the damper can be changed so that the balance position of the damper simultaneously moves.
  • the mutual balance position of the mooring device and the vessel can be changed, in other words the position to which the damper strives to return the vessel.
  • the restoring force achieved with the damper can be increased by using the vessel's own propulsion device and the vessel's steering devices.
  • the rotation of the vessel in relation to the wind power plant can be restricted for example with the aid of hydraulic cylinders.
  • the damper comprises a force sensor for measuring the force directed onto the damper.
  • the mooring device preferably also comprises information collecting means for collecting the measuring data obtained from the force sensor and information processing means for processing the collected measuring data.
  • the damping of the damper can be adjusted based on the measured force.
  • the position of the vessel in relation to the mooring device can also be deduced based on the measured force, and the vessel can be turned into a desired position for example by changing the length corresponding to the balance position of the damper.
  • the vessel can also be turned by using the vessel's propulsion device and/or steering devices.
  • the gripping means comprises at least one electric magnet, with the aid of the magnetic pull generated by which the gripping means is pulled toward the impact shield.
  • the magnetic pull generated by the electric magnet can be used also when the vessel is moored. In some situations the vessel can be held to the impact shield with the aid of only the electric magnet.
  • the power of the magnet can preferably be adjusted according to demand.
  • a typical vessel according to the invention comprises a mooring device for mooring the vessel to a wind power plant, which mooring device comprises a frame and a joint arranged in connection with the frame, with the aid of which joint the mooring device is attached to the vessel.
  • the mooring device of the vessel comprises at least two gripping means for gripping the impact shields of the wind power plant, which gripping means are attached to the frame in an immobile manner.
  • the vessel is a trimaran, which comprises a middle hull and side hulls on both sides thereof.
  • the mooring device is attached to the prow of the vessel.
  • the vessel can be driven straight toward the wind power plant, so that the gripping means of the mooring device hit the impact shields of the wind power plant.
  • the invention further relates to a method for mooring a vessel to a wind power plant, in which method the vessel is driven into contact with the wind power plant.
  • the method according to the invention is characterized in that at least two gripping means of the mooring device of the vessel are used to grip the impact shields of the wind power plant and movement of the vessel in relation to the wind power plant is allowed only around one pivot point.
  • the vessel moored to the wind power plant can thus move only so that it rotates around one pivot point.
  • the position of the vessel moored to the wind power plant can be examined by measuring the forces affecting the dampers of the mooring device. Based on the measured forces, the damping of the dampers and/or their length can be adjusted. Additionally based on the measured forces, the propulsion device of the ship and/or steering devices of the ship can be controlled so that the ship stays essentially in its place in relation to the mooring device.
  • Figure 1 shows from above a situation, where a vessel is moored to a wind power plant at sea with a mooring device according to an embodiment of the invention.
  • Figure 2 shows the situation according to Figure 1 seen from the side.
  • the mooring device 100 comprises a frame 110, in both ends of which a gripping means 120 has been attached.
  • the mooring device 100 is attached to the prow of the vessel 200 via a joint 130.
  • the joint 130 is of a three axis type and thus allows the vessel 200 to move freely in relation to the pivot point.
  • the gripping means 120 are moveable in the longitudinal direction of the frame 110. In the situation shown in Figures 1 and 2 the distance between the gripping means 120 is adjusted to be as large as the distance between the impact shields 310 of the wind power plant 300.
  • the gripping means 120 comprise a frame part 121 and gripping arms 122, 123, which are attached in a pivoted manner to the frame part 121.
  • the gripping arms 122, 123 are moveable, whereby the gripping means can be used to grip the impact shield 310 and to detach from it.
  • the gripping means 120 have gripped the impact shields 310.
  • the impact shields 310 are vertical tubes, which are attached to the lower end of the mast 320 of the wind power plant 300, near the sea surface.
  • the gripping means 120 further comprise an electric magnet 124 attached to the frame part 121. With the aid of the pull generated with the electric magnet 124, the gripping means 120 can be pulled toward the impact shield 310, when a mooring to the wind power plant 300 is made. On the other hand the pull generated by the electric magnet 124 can also be used when the gripping means 120 is attached to the impact shield 310, as in the situation shown in Figures 1 and 2 .
  • dampers 140 In order to minimize and damp the movement between the mooring device 100 and the vessel 200, dampers 140 have been attached between the ends of the frame 110 and the prow of the vessel. The ends of the dampers 140 are pivotedly attached both to the frame 110 and to the vessel 200.
  • the dampers 140 strive to keep the mutual position of the mooring device 100 and the vessel 200 unchanged.
  • the dampers 140 attached between the frame 110 of the mooring device 100 and the vessel 200 generate a force, which strives to return the vessel 200 into its original position.
  • the damping of the dampers 140 can be adjusted.
  • the reaction of the dampers 140 to movement of the vessel 200 can be affected by changing the damping of the dampers 140.
  • the length of the damper 140 can be changed so that the balance position of the damper 140 simultaneously moves.
  • the mutual balance position of the mooring device 100 and the vessel 200 can be changed, in other words the position to which the damper 140 strives to return the vessel 200.
  • the restoring force generated by the dampers 140 can be increased by using the vessel's 200 own propulsion device and the vessel's 200 steering devices.
  • Both dampers 140 comprise a force sensor 150 for measuring the force directed onto the damper 140. Based on the measured force, the position of the vessel 200 in relation to the mooring device 100 can for example be deduced, and the vessel 200 can be turned in a desired direction for example by changing the lengths corresponding to the balance positions of the dampers 140. The damping of the damper 140 can also be adjusted based on the measured force.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Wind Motors (AREA)

Claims (13)

  1. Dispositif d'amarrage (100) permettant d'amarrer un navire (200) à une centrale éolienne (300), lequel dispositif comporte :
    - une structure (110) et
    - un dispositif de jonction (130) agencé en liaison avec la structure (110), dispositif de jonction à l'aide duquel le dispositif d'amarrage (100) peut être rattaché à un navire (200) ;
    caractérisé en ce que le dispositif d'amarrage (100) comporte au moins deux moyens de prise (120) permettant de saisir des boucliers de protection contre les chocs (310) de la centrale éolienne, lesquels moyens de prise (120) sont fixés à la structure (110) d'une manière immobile.
  2. Dispositif d'amarrage (100) selon la revendication, 1, caractérisé en ce que les moyens de prise (120) comprennent une partie de structure (121), laquelle est fixée de façon immobile à la structure (110), et un premier bras de saisie (122) et un second bras de saisie (123), lesquels sont fixés à la partie de bâti (121) de façon à pouvoir tourner.
  3. Dispositif d'amarrage (100) selon la revendication 1 ou 2, caractérisé en ce que des moyens de prise (120) ont été fixés aux deux extrémités du bâti (110).
  4. Dispositif d'amarrage (100) selon la revendication 1, 2 ou 3, caractérisé en ce que le dispositif d'amarrage (100) comprend au moins un amortisseur (140) destiné à amortir le mouvement entre le dispositif d'amarrage (100) et le navire (200), la première extrémité duquel amortisseur (140) est fixée à la structure (110) et la seconde extrémité duquel amortisseur (140) peut être fixée sur le navire (200).
  5. Dispositif d'amarrage (100) selon la revendication 4, caractérisé en ce qu'un amortisseur (140) a été fixé sur les deux extrémités de la structure (110).
  6. Dispositif d'amarrage (100) selon la revendication 4 ou 5, caractérisé en ce que l'amortissement de l'amortisseur (140) est réglable.
  7. Dispositif d'amarrage (100) selon la revendication 4, 5, ou 6, caractérisé en ce que la longueur correspondant à la position d'équilibre de l'amortisseur (140) est réglable.
  8. Dispositif d'amarrage (100) selon l'une quelconque des revendications précédentes 4 à 7, caractérisé en ce que l'amortisseur (140) comporte un capteur de force (150) pour mesurer la force exercée sur l'amortisseur (140).
  9. Dispositif d'amarrage (100) selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de prise (120) comportent au moins un électroaimant (124), à l'aide de la force de traction magnétique générée duquel les moyens de prise (120) sont tirés vers le bouclier de protection contre les chocs (310).
  10. Navire (200) qui comporte un dispositif d'amarrage (100) permettant d'amarrer le navire (200) à une centrale éolienne (300), lequel dispositif d'amarrage (100) comprend :
    - une structure (110) et
    - un dispositif de jonction (130) agencé en relation avec la structure (110) à l'aide de laquelle le dispositif d'amarrage (100) est rattaché au navire (200); caractérisé en ce que le dispositif d'amarrage (100) comporte au moins deux moyens de prise (120) permettant de saisir des boucliers de protection contre les chocs (310) de la centrale éolienne, lesquels moyens de prise (120) sont fixés à la structure (110) d'une façon immobile.
  11. Navire (200) selon la revendication 10, caractérisé en ce que le navire (200) est un trimaran.
  12. Navire (200) selon la revendication 10 ou 11, caractérisé en ce que le dispositif d'amarrage (100) est fixé à la proue du navire (200).
  13. Procédé d'amarrage d'un navire (200) à une centrale éolienne (300), lequel procédé comprend de :
    - conduire un navire (200) au contact d'une centrale éolienne (300) ;
    caractérisé par le fait de saisir les boucliers de protection contre les chocs (310) de la centrale éolienne (300) avec au moins deux moyens de prise (120) du dispositif d'amarrage (100) du navire (200) et de permettre le mouvement du navire (200) par rapport à la centrale éolienne (300) seulement autour d'un point de pivotement.
EP10175687A 2009-09-11 2010-09-08 Dispositif de connexion entre un navire et une centrale éolienne ainsi que navire Not-in-force EP2298641B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20095943A FI20095943A0 (fi) 2009-09-11 2009-09-11 Kiinnityslaite ja menetelmä aluksen kiinnittämiseksi tuulivoimalaan, sekä alus

Publications (3)

Publication Number Publication Date
EP2298641A2 EP2298641A2 (fr) 2011-03-23
EP2298641A3 EP2298641A3 (fr) 2011-08-17
EP2298641B1 true EP2298641B1 (fr) 2013-01-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10175687A Not-in-force EP2298641B1 (fr) 2009-09-11 2010-09-08 Dispositif de connexion entre un navire et une centrale éolienne ainsi que navire

Country Status (2)

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EP (1) EP2298641B1 (fr)
FI (1) FI20095943A0 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101982A1 (de) 2014-02-17 2015-08-20 Neptun Ship Design Gmbh Verfahren zur Anlandung an Offshore-Anlagen, Vorrichtung zum Transfer und zur Anlandung und Offshore-Anlage

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GB2487045A (en) * 2011-01-04 2012-07-11 James Ivor Jones A docking device with means adapted to encircle a tubular element
NL2006710C2 (nl) * 2011-05-03 2012-11-06 Presign Holding B V Systeem en werkwijze voor het aanmeren van een drijvend vaartuig tegen een stationair object.
EP2660140B1 (fr) * 2012-05-03 2018-02-21 Siemens Aktiengesellschaft Dispositif d'amarrage pour faciliter un transfert entre un navire et une structure en mer
EP2818396B1 (fr) * 2013-06-25 2017-09-27 Siemens Aktiengesellschaft Bateau, système d'amarrage et structure d'amarrage
DK3190042T3 (en) * 2016-01-08 2018-12-03 Northern Offshore Services Ab FENDER ARRANGEMENTS FOR DOWING A MARINE VESSEL TO A LANDING PLACE FOR BOATS ON A MARINE OFFSHORE STRUCTURE
FR3106330B1 (fr) * 2020-01-17 2022-01-28 Naval Energies Système d’amarrage d’une structure flottante sur un quai
NL2026396B1 (nl) * 2020-09-02 2022-05-04 Owl Heavy Lift B V Een koppelsysteem voor het afmeren en ontmeren van een zeevaartuig.
JPWO2023095644A1 (fr) * 2021-11-24 2023-06-01

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US4003473A (en) * 1974-08-30 1977-01-18 Ryan Ramp, Inc. Combined marine ramp transfer and mooring system
NL1016111C2 (nl) * 2000-09-06 2002-03-07 P & R Systems Werkwijze voor het betreden van een in zee geplaatste paal, alsmede daarbij te gebruiken inrichting.
GB2369607B (en) * 2000-12-01 2003-11-12 Billy-Jay Smart Vessel navigation and docking system and method
NL1024196C2 (nl) * 2003-08-29 2004-11-09 P & R Systems Vaartuig voorzien van een met een offshore paallichaam koppelbare loopbrug.
SE527623C2 (sv) * 2004-04-16 2006-04-25 Mikael Jacobsson Landstigningsanordning för angöring av en vattenfarkost

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101982A1 (de) 2014-02-17 2015-08-20 Neptun Ship Design Gmbh Verfahren zur Anlandung an Offshore-Anlagen, Vorrichtung zum Transfer und zur Anlandung und Offshore-Anlage
DE102014101982B4 (de) * 2014-02-17 2016-01-21 Neptun Ship Design Gmbh Verfahren zur Anlandung an Offshore-Anlagen, Vorrichtung zum Transfer und zur Anlandung und Offshore-Anlage

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EP2298641A2 (fr) 2011-03-23
FI20095943A0 (fi) 2009-09-11
EP2298641A3 (fr) 2011-08-17

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