EP2428442B1 - Procédé et ensemble pour le transfert sécurisé de personnes d'un vaisseau vers un objet stationnaire - Google Patents

Procédé et ensemble pour le transfert sécurisé de personnes d'un vaisseau vers un objet stationnaire Download PDF

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Publication number
EP2428442B1
EP2428442B1 EP11180643.6A EP11180643A EP2428442B1 EP 2428442 B1 EP2428442 B1 EP 2428442B1 EP 11180643 A EP11180643 A EP 11180643A EP 2428442 B1 EP2428442 B1 EP 2428442B1
Authority
EP
European Patent Office
Prior art keywords
support structure
level
sea
floating
connecting member
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
EP11180643.6A
Other languages
German (de)
English (en)
Other versions
EP2428442A1 (fr
Inventor
Reinout Klaar Norfolc Jaap Prins
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.)
Z Knowledge BV
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Z Knowledge BV
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Publication of EP2428442A1 publication Critical patent/EP2428442A1/fr
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Publication of EP2428442B1 publication Critical patent/EP2428442B1/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 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • B63B27/146—Pilot ladders or similar outboard ladders, e.g. bathing ladders; Pilot lifts
    • 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
    • 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
    • E02B17/0017—Means for protecting offshore constructions
    • E02B17/003—Fenders
    • 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
    • E02B17/0034—Maintenance, repair or inspection of offshore constructions
    • 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 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • B63B2027/141—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts telescopically extendable
    • 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

Definitions

  • the invention relates to a method for transfer of at least one person from an object floating in a sea to a stationary object.
  • W02010/034429 describes a method and assembly for the transfer of personnel from a ship to an offshore wind turbine.
  • the ship is moved by the motion of the waves, in particular in a vertical direction, in relation to the offshore wind turbine.
  • the offshore wind turbine comprises a ladder which can be moved vertically relative to the tower of the offshore wind turbine.
  • the ladder is held in position by a friction brake and a buoyancy body.
  • the ladder has a first coupling element.
  • the ship comprises a second coupling element which is provided at the bow of the ship. For the transfer of personnel, the bow of the ship is urged by motor power against the ladder, and the second coupling element of the ship engages with the first coupling element of the ladder.
  • the friction force of the friction brake and the buoyancy force of the buoyancy body are overcome by the force exerted by the ship being subjected to the motion of the waves.
  • the ladder moves together with the ship and a person transfers from the ship to the ladder.
  • the first and second coupling elements are disconnected so as to allow the ship to move away from the ladder.
  • the disconnection will initially cause a significant shock to the ladder carrying the person.
  • the damped movement of the ladder to a rest position will always start with a downward movement because of the weight of the person. This downward movement will position the person between the ladder and the bow of the ship. This is extremely dangerous because the bow of the ship is subjected to the motion of the waves.
  • the damped movement of the ladder carrying the person to the rest position by means of the friction brake and the buoyancy body is unpleasant for the person on the ladder. After the ladder has come to rest, the person may climb up the ladder to a platform of the offshore wind turbine.
  • the ship comprises a frame and a cage which can be vertically moved relative to the frame.
  • the cage is held in position by a spring and a friction brake.
  • the cage is provided with a ladder and a first coupling element.
  • the tower of the offshore wind turbine comprises a fixed ladder which is provided with a second coupling element.
  • connection between the first and second coupling elements causes a significant shock to the cage when a person is present therein. This is not safe and may lead to injuries. After the first and second coupling elements have been disconnected, the person may climb up the ladder in the cage and transfer to the fixed ladder of the tower of the offshore wind turbine.
  • An object of the invention to provide an improved method for transfer of at least one person from an object floating in the sea to a stationary object.
  • This object is achieved by a method for transfer of at least one person from an object floating in a sea to a stationary object, in which the stationary object comprises a support structure for supporting the person, which support structure can be moved between a first level and a second level, the support structure being biased in a bias direction towards its second level, the method comprising:
  • the bow of a ship engages with the ladder of an offshore wind turbine so as to establish a connection between the ship and the ladder.
  • the connection is instantly released when the ship disengages the ladder.
  • the person on the ladder may experience a significant shock.
  • the object floating in the sea such as a ship
  • the stationary object such as an offshore wind turbine.
  • the object floating in the sea may be positioned at a distance from the stationary object.
  • the object floating in the sea is connected to the stationary object by means of the connecting member having an adjustable length, for example a cable or a telescopic arm.
  • the stationary object is provided with the support structure, such as a ladder, which can be moved between a first level and a second level.
  • the first level and/or the second level may be a range which is defined by the motion of the waves.
  • the support structure is biased in a bias direction towards its second level.
  • the connecting member first provides a connection between the object floating in the sea and the support structure of the stationary object when the support structure is situated at its biased second level. Then, the support structure is moved from its second level to its first level, opposite to the bias direction, by adjusting the length of the connecting member by operating the driving unit. After the support structure has reached its first level, the length of the connecting member is fixed, for example by locking the driving unit. As a result, the support structure is fixed relative to the object floating in the sea at its first level so that the support structure is moved up and down in unison with the object floating in the sea. The motion of the support structure is synchronised with the motion of the object floating in the sea.
  • the length of the connecting member is adjusted in a controlled manner by operating the driving unit so as to move the support structure back, i.e. in the bias direction, from its first level to its second level.
  • the driving unit the length of the connecting member may be adjusted in a smooth or otherwise safe manner and the support structure is moved accordingly.
  • US2874855 which is considered the closest prior art, describes a method for transferring personnel from a platform that is supported from the floor of a body of water to a boat.
  • a utility crane or hoist is carried on the platform.
  • the personnel steps onto a platform of a personnel vehicle.
  • the vehicle will be hoisted by a hoist cable of the crane and swung out over the side of the platform, and held suspended there while a guide line is lowered down to the deck of the boat.
  • the free end of the guide line is fastened onto a fixture on the deck of the boat.
  • the guide line will be reeled in until taut; thereafter sufficient tension will be applied to the guide line to keep the guide line taut until the personnel vehicle has been lowered to within the vicinity of the boat.
  • the suspended personnel vehicle will be stopped to avoid any contact with the boat as it moves about on the waves.
  • the suspension of the personnel vehicle is shifted from the hoist cable to the guide line.
  • a brake carried by the personnel vehicle will be applied which will cause transfer of the suspending force from the hoist cable to the friction braking action by reason of the wedging action of a dog.
  • the personnel vehicle will be moving up and down in unison with the deck of the boat, while it is suspended above the deck by friction gripping action on the guide line.
  • the remaining distance to the deck of the boat may be traversed by merely releasing the gripping action caused by the dog, sufficiently to allow personnel vehicle to slide smoothly down into gentle contact with the deck of the boat.
  • WO2004/099606 describes a device for accessing an offshore wind turbine which is installed on a foundation plane at a defined height above the water level.
  • the foundation plane is erected on pillars that are anchored in the sea bed.
  • the wind turbine comprises a channel which is displaceably fitted to the tower of the wind turbine.
  • the channel can be moved away from the tower, in a vertical direction, towards the sea.
  • a lateral access opening in the channel is positioned at a minimum distance from a ship which is located below the foundation plane.
  • a lift is installed inside the channel, which lift can move between the wind turbine and the lateral access opening.
  • the lower end of the channel is provided with sensors for continuously sensing the distance between the channel and the ship.
  • the sensors are connected to a control unit which is also connected to a drive device. If the sensed distance between the channel and the ship differs from a predefined range, for example 0.30 to 0.50 m, the channel is displaced by the drive device.
  • the support structure may be biased towards its second level against a stop which defines the second level of the support structure.
  • the stop defines a height position of the support structure.
  • the second level of the support structure corresponds to the height position defined by the stop.
  • the stop may be provided with a buffer member which is configured to damp the movement against the stop. The buffer prevents significant shocks upon contact between the support structure and the stop.
  • the support structure remains connected to the object floating in the sea by means of the connecting member, and in which the length of the connecting member is then adjusted by operating the driving unit for moving the support structure from its second level to its first level again, opposite to the bias direction, and in which the length of the connecting member is fixed after the support structure has moved to its first level again for fixing the support structure relative to the object floating in the sea again so that the support structure is moved up and down in unison with the object floating in the sea again, and in which a second person is transferred from the object floating in the sea to the support structure after the support structure has been fixed relative to the object floating in the sea again, and in which, with the support structure carrying the second person, the length of the connecting member is adjusted by operating the driving unit for moving the support structure back from its first level to its second level again.
  • the object floating in the sea it is not necessary for the object floating in the sea to disengage the stationary object every time a person is transferred.
  • the object floating in the sea such as a vessel, may remain engaged with the stationary object, for example the tower of an offshore wind turbine, while two or more people are being transferred.
  • the object floating in the sea has to establish a connection to the stationary object only once, which results in a relatively fast procedure for transferring two or more people.
  • the length of the connecting member is gradually adjusted by operating the driving unit.
  • the support structure carrying the person is moved from its first level to its second level substantially without shocks.
  • the support structure is subjected only to vertical accelerations which do not exceed 0.1g in which g is the gravitational acceleration which is substantially 9.8 m/s 2 .
  • the first level corresponds to a lower level and in which the second level corresponds to an upper level.
  • the terms "lower level” and "upper level” are used relative to each other, i.e. the upper level is situated above the lower level.
  • the support structure With the support structure displaceably connected to the stationary object, the support structure may be biased towards its upper level, for example by a counterweight member. The support structure is then lowered to its lower level by shortening the connecting member by means of the driving unit. When the length of the connecting member is fixed with the support structure at its lower level, the support structure is stationary relative to the object floating in the sea. The support structure together with the object floating in the sea are subjected to the motion of the waves at the lower level of the support structure.
  • the driving unit After a person has climbed onto the ladder, the driving unit is operated to extend the connecting member.
  • the driving unit can be controlled in such as manner that the ladder is gradually risen from its lower level due to the bias towards the upper level.
  • the counterweight members may have a weight which is larger than the total weight of the support structure and the person together.
  • the counterweight member may have a minimal weight of 250 kg.
  • the first level corresponds to an upper level and in which the second level corresponds to a lower level.
  • the support structure may be biased towards its lower level, for example under the influence of its own weight.
  • the support structure may be biased under the influence of gravity, for example using one or more counterweights or the own weight of the support structure.
  • the bias may be achieved in various other ways, for example using a spring member.
  • the driving unit and the connecting member can also be constructed in various ways.
  • the driving unit comprises a winch, in which the connecting member comprises a cable which is winded up on the winch.
  • the length of the cable can be fixed by locking the winch.
  • the winch is arranged on the object floating in the sea.
  • the operation and the power supply for the winch can be located on the object floating in the sea, which is advantageous for safety and constructional reasons.
  • the object floating in the sea may visit a number of stationary object installed in the sea.
  • the stationary object comprises a fixed carrying structure, and in which, after the support structure carrying the person has been moved from its first level to its second level, the person transfers from the support structure to the fixed carrying structure of the stationary object.
  • the fixed carrying structure may be, for example, a fixed ladder or a platform.
  • the stroke between the first level and the second level is 1 to 4 meters.
  • a range of 1 to 4 meters is sufficient to eliminate the influence of the motion of the waves under most weather conditions.
  • the stationary object is an offshore wind turbine comprising a tower which is installed in the sea.
  • the object floating in the sea may be a vessel having a motor for propelling it.
  • the vessel may deliver service personnel to the offshore wind turbine.
  • the stationary object may also be an object floating in the sea such as a boat or an object installed in the sea such as an offshore platform.
  • the method according to the invention allows safe transfer of personnel from the vessel to the stationary object.
  • the invention also relates to an assembly of an object floating in a sea and a stationary object, in which the stationary object comprises a support structure for supporting at least one person, which support structure can be moved between a first level and a second level, the support structure being biased in a bias direction towards its second level, in which one of the objects comprises a driving unit and a connecting member having a length which can be adjusted by operating a driving unit, in which the object floating in the sea can be connected to the support structure by means of the connecting member when the support structure is situated at its second level, and in which the length of the connecting member can be adjusted by operating the driving unit for moving the support structure from its second level to its first level, opposite to the bias direction, and in which the length of the connecting member can be fixed after the support structure has moved to its first level for fixing the support structure relative to the object floating in the sea so that the support structure is moved up and down in unison with the object floating in the sea, and in which the person can be transferred from the object floating in the sea to the support structure after the support structure has been fixed
  • the support structure may be biased towards its second level against a stop which defines a height position corresponding to the second level of the support structure. While at the second level due to the bias, the support structure is stationary relative to the object floating in the sea and a person can safely step onto the support structure. Then, the support structure is connected to the stationary object by means of the connecting member, after which the length of the connecting member is adjusted so as to move the support structure from the second level to the first level.
  • the adjustment of the length of the connecting member can be made in a smooth manner so as to prevent significant shocks.
  • the support structure is made stationary relative to the stationary object by fixing the length of the connecting member.
  • the support structure can still move relative to the object floating in the sea due to the motion of the waves while the support structure is held at a fixed position relative to the stationary object.
  • the person can safely transfer from the support structure of the object floating in the sea to the stationary object.
  • the support structure may also be biased towards its upper level, for example by a counterweight member, or towards its lower level, for example by its own weight.
  • Figure 1 shows an assembly comprising a floating object 1 and a stationary object 3 which is installed in the sea 4.
  • the stationary object is an offshore wind turbine having a tower 3.
  • the stationary object may also be another offshore structure installed in the sea 4 or another floating object such as a ship.
  • the tower 3 comprises two fender bars 12 which extend substantially in a vertical direction.
  • the assembly comprises a transfer system for the transfer of personnel from the floating object 1 to the tower 3 and vice versa.
  • the transfer system comprises a support structure 8, such as a ladder, which is connected to the tower 3 between the fender bars 12.
  • the ladder 8 can be displaced in a substantially vertical direction between a first, lower level and a second, upper level. The displacement of the ladder 8 is guided by guide members 11.
  • the ladder 8 is connected to a counterweight member 15 by means of a cable which is led over a pulley 14.
  • the counterweight member 15 has a weight which is larger than the total weight of the ladder 8 and a person 10 which is to climb up the ladder 8.
  • the counterweight member 15 has a weight of 200 kg or more.
  • the tower 3 comprises a stop 9 for limiting the upward movement of the ladder 8.
  • the stop 9 is configured to control the speed and acceleration of the ladder 8 according to a preset, adjustable value.
  • the stop 9 comprises a buffer member.
  • the stop 9 defines a specific height (position) relative to the tower 3 for the second, upper level of the ladder 8.
  • the floating object 1 such as a crew transport vessel is used to transfer personnel to the offshore wind turbine.
  • the vessel 1 comprises a motor for propelling the vessel (not shown).
  • the bow of the vessel 1 is provided with a fender body comprising a resilient material.
  • the vessel 1 also comprises a driving unit 5 and a connecting member 6 having a length which can be adjusted by operating the driving unit 5.
  • the connecting member 6 comprises an engaging member 7 for engaging with the ladder 8 of the stationary object 3.
  • the driving unit is formed by a winch 5, whereas the connecting member and the engaging member comprise a cable 6 and a hook 7 attached at the end of the cable 6.
  • the vessel 1 is positioned adjacent to the fender bars 12 of the tower 3.
  • the vessel 1 may be positioned adjacent to or against the stationary object.
  • the vessel 1 is urged by the motor against the fender bars 12 of the tower 3 to engage the resilient material of the fender body at the bow of the vessel 1 therewith (see figure 2b ).
  • the vessel 1 remains at a distance from the fender bars 12 (not shown).
  • the ladder 8 is preloaded in its second, upper level by the counterweight member 15. The person 10 then engages the hook 7 of the cable 6 with the ladder 8.
  • the winch 5 is driven so as to draw in the cable 6.
  • the cable 6 is pulled taut and the ladder 8 is pulled down from its second, upper level to its first, lower level by the hook 7 at the end of the cable 6.
  • the winch 15 is locked so as to fasten the cable 6, i.e. the length of the cable 6 is set to a fixed length.
  • the ladder 8 is fixed or held stationary relative to the vessel 1, i.e. the vertical movement of the ladder 8 follows the vertical movement of the vessel 1 caused by the motion of the waves. If the vessel 1 ascends, the ladder 8 is lifted accordingly by means of the counterweight member 15. With descending movement of the vessel 1, the ladder 8 is pulled down by the cable 6.
  • the winch 5 is operated to pay out the cable 6 in a gradual and controlled manner. Due to the counterweight member 11 and the operation of the winch 5, the ladder 8 carrying the person 10 is lifted without any shocks. The ladder 8 continues to rise vertically in a controlled manner until the ladder 8 is stopped by the stop 9 in a controlled manner.
  • the buffer member of the stop 9 controls the forces being exerted upon contact between the ladder 8 and the stop 9 such that significant shocks are prevented. Then, the person 10 on the ladder 8 may climb up the ladder 8 from which the person 10 may transfer to a fixed carrying structure such as a fixed ladder or a platform attached to the tower 3 (not shown).
  • a second person can be transferred to the tower 3. While the hook 7 remains connected to the ladder 8, the winch 5 is driven so as to draw in the cable 6. The cable 6 is pulled taut and the ladder 8 is pulled down again from its second, upper level to its first, lower level by the hook 7 at the end of the cable 6. Again, the winch 15 is locked so as to fasten the cable 6, i.e. the length of the cable 6 is set to a fixed length. As a result, the ladder 8 is fixed or held stationary relative to the vessel 1 and it is now safe for the second person to step onto the ladder 8. Once the second person 10 has stepped onto the ladder 8, the winch 5 is operated again to pay out the cable 6 in a gradual and controlled manner.
  • the ladder 8 carrying the second person 10 moves upwards without any shocks.
  • the ladder 8 continues to rise vertically in a controlled manner until the ladder 8 is stopped by the stop 9 in a controlled manner.
  • the second person on the ladder 8 may climb up the ladder 8 from which the second person may transfer to the fixed carrying structure such as a fixed ladder or a platform attached to the tower 3. Further people may be transferred to the tower 3 in a corresponding manner.
  • the hook 7 can be disengaged from the ladder 8 without causing any shocks. With the hook 7 disengaged, the cable 6 can be retracted by driving the winch 5 and the vessel 1 may move away from the tower 3.
  • the transfer of one or more people from the tower 3 to the vessel 1 is carried out in reverse order.
  • Figure 3 shows a second non-claimed embodiment of an assembly comprising an object floating in the sea and a stationary object.
  • the ladder 8 is connected to the vessel 1.
  • the ladder 8 can be displaced in a substantially vertical direction between a first, lower level and a second, upper level.
  • the ladder 8 is preloaded towards its second, upper level defined by a removable stop 18 by means of the counterweight member 15.
  • the tower 3 is provided with the winch 5, the cable 6 and the hook 7.
  • Figure 3 also shows that the tower 3 comprises a fixed ladder 17.
  • the person may step up the ladder 8 while the ladder 8 follows the movements of the vessel 1.
  • the hook 7 may be connected to the ladder 8.
  • the winch 5 may be driven to draw in the cable 6 in a gradual and controlled manner and the stop 18 is removed.
  • the ladder 8 carrying the person 10 will be pulled down in a gradual and controlled manner from its second, upper level to its first, lower level.
  • the vessel 1 is subjected to the motion of the waves and the ladder 8 is able to move up and down relative to the vessel 1.
  • the length of the cable 6 is fixed, for example by locking the winch 5, and the ladder 8 becomes stationary relative to the tower 3.
  • the ladder 8 may still move up and down relative to the vessel 1.
  • the person 10 is then able to transfer safely from the ladder 8 to the fixed ladder 17 of the tower 3.
  • the fixed ladder 17 may lead to a platform (not shown).
  • FIG. 1 and 2a-2e show that the winch 5 is mounted on the vessel 1, while figure 3 shows that the winch 5 is mounted on the tower 3.
  • the winch 5 may also be installed on the tower 3 in figures 1 and 2a-2e or on the vessel 1 in figure 3 .
  • the ladder 8 may also be biased towards its lower position under the influence of its weight. The ladder 8 may then be stopped by a stop at the lower level and the counterweight members 11 can be omitted.
  • the support structure may be a ladder, a cage, a platform or any other support structure for carrying one or more people.
  • the connecting member can be constructed in various ways.
  • the connecting member may be flexible, such as a cable or rope, or the connecting member may be rigid, such as a telescopic arm.
  • the invention also relates to a method for the transfer of at least one person from an object floating in a sea to a stationary object, the stationary object being provided with:

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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)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Wind Motors (AREA)

Claims (14)

  1. Procédé de transfert d'au moins une personne (10) d'un objet (1) qui flotte sur la mer (4) vers un objet stationnaire (3), dans lequel ledit objet stationnaire (3) comprend une structure de support (8) destinée à supporter ladite personne (10), ladite structure de support (8) pouvant être déplacée entre un premier niveau et un second niveau, ladite structure de support (8) étant inclinée dans une direction d'inclinaison vers son second niveau, ledit procédé comprenant :
    - le raccordement dudit objet (1) qui flotte sur la mer (4) à ladite structure de support (8) à l'aide d'un élément de raccordement (6) lorsque ladite structure de support (8) se trouve à son second niveau, ledit élément de raccordement (6) ayant une longueur qui peut être réglée en actionnant une unité d'entraînement (5),
    - le réglage de la longueur dudit élément de raccordement (6) en actionnant ladite unité d'entraînement (5) afin de déplacer ladite structure de support (8) de son second niveau à son premier niveau, de manière opposée à ladite direction d'inclinaison,
    - fixer la longueur dudit élément de raccordement (6) après que ladite structure de support (8) ait été déplacée à son premier niveau afin de fixer ladite structure de support (8) par rapport audit objet (1) qui flotte sur la mer (4) de sorte que ladite structure de support (8) soit déplacée vers le haut et vers le bas en même temps que ledit objet (1) qui flotte sur la mer (4),
    - transférer ladite personne (10) dudit objet (1) qui flotte sur la mer (4) à ladite structure de support (8) après que ladite structure de support (8) ait été fixée par rapport audit objet (1) qui flotte sur la mer (4), et que ladite structure de support (8) se soit déplacée vers le haut et vers le bas en même temps que ledit objet (1) qui flotte sur la mer (4),
    - avec ladite structure de support (8) portant ladite personne (10), régler la longueur dudit élément de raccordement (6) en actionnant ladite unité d'entraînement (5) afin de déplacer ladite structure de support (8) de son premier niveau à son second niveau.
  2. Procédé selon la revendication 1, dans lequel ladite structure de support (8) est inclinée vers son second niveau contre une butée qui définit ledit second niveau de ladite structure de support (8).
  3. Procédé selon la revendication 1 ou 2, dans lequel la longueur dudit élément de raccordement (6) est progressivement réglée en actionnant ladite unité d'entraînement (5).
  4. Procédé selon l'une des revendications précédentes, dans lequel ledit premier niveau correspond à un niveau inférieur, et ledit second niveau correspond à un niveau supérieur.
  5. Procédé selon l'une des revendications 1 à 3, dans lequel ledit premier niveau correspond à un niveau supérieur, et ledit second niveau correspond à un niveau inférieur.
  6. Procédé selon l'une des revendications précédentes, dans lequel ladite structure de support (8) est inclinée vers son second niveau par un élément de contrepoids (15).
  7. Procédé selon l'une des revendications 1 à 5, dans lequel ladite structure de support (8) est inclinée vers son second niveau par son propre poids.
  8. Procédé selon l'une des revendications précédentes, dans lequel ladite unité d'entraînement comprend un winch (5), et dans lequel ledit élément de raccordement comprend un câble (6) qui est enroulé sur ledit winch (5).
  9. Procédé selon l'une des revendications précédentes, dans lequel ledit winch (5) est placé sur ledit objet (1) qui flotte sur la mer (4).
  10. Procédé selon l'une des revendications précédentes, dans lequel ledit objet stationnaire (3) comprend une structure de support fixe, et dans lequel, après que ladite structure de support (8) portant ladite personne (10) ait été déplacée de son premier niveau à son second niveau, ladite personne (10) est transférée de ladite structure de support (8) à ladite structure de support fixe dudit objet stationnaire (3).
  11. Procédé selon l'une des revendications précédentes, dans lequel la course entre ledit premier niveau et ledit second niveau est de 1 à 4 mètres.
  12. Procédé selon l'une des revendications précédentes, dans lequel ledit objet stationnaire est une éolienne offshore qui comprend une tour (3) qui est installée dans la mer (4)
    et/ou
    dans lequel ladite structure de support comprend une échelle (8).
  13. Procédé selon l'une des revendications précédentes, dans lequel, une fois que la longueur dudit élément de raccordement (6) a été réglée en actionnant ladite unité d'entraînement (5) afin de déplacer ladite structure de support (8) portant ladite personne (10) de son premier niveau à son second niveau, ladite structure de support (8) reste reliée audit objet (1) qui flotte sur la mer (4) à l'aide dudit élément de raccordement (6), et dans lequel la longueur dudit élément de raccordement (6) est ensuite réglée en actionnant ladite unité d'entraînement (5) afin de déplacer à nouveau ladite structure de support (8) de son second niveau à son premier niveau, de manière opposée à ladite direction d'inclinaison, et dans lequel la longueur dudit élément de raccordement (6) est fixe une fois que ladite structure de support (8) est à nouveau passée à son premier niveau afin de fixer à nouveau ladite structure de support (8) par rapport audit objet (1) qui flotte sur la mer (4) de sorte que ladite structure de support (8) soit à nouveau déplacée vers le haut et vers le bas en même temps que ledit objet (1) qui flotte sur la mer (4), et dans lequel une seconde personne est transférée dudit objet (1) qui flotte sur la mer (4) à ladite structure de support (8) après que ladite structure de support (8) ait été à nouveau fixée par rapport audit objet (1) qui flotte sur la mer (4), et que ladite structure (8) ait été à nouveau déplacée vers le haut et vers le bas en même temps que ledit objet (1) qui flotte sur la mer (4), et dans lequel, avec ladite structure de support (8) portant ladite seconde personne, la longueur dudit élément de raccordement (6) est réglée en actionnant ladite unité d'entraînement (5) afin de déplacer à nouveau ladite structure de support (8) de son premier niveau à son second niveau.
  14. Ensemble qui comprend un objet (1) qui flotte sur la mer (4) et un objet stationnaire (3), dans lequel ledit objet stationnaire (3) comprend une structure de support (8) destinée à supporter au moins une personne (10), ladite structure de support (8) pouvant être déplacée entre un premier niveau et un second niveau, ladite structure de support (8) étant inclinée dans une direction d'inclinaison vers son second niveau, dans lequel l'un desdits objets (1, 3) comprend une unité d'entraînement (5) et un élément de raccordement (6) ayant une longueur qui peut être réglée en actionnant une unité d'entraînement (5), dans lequel ledit objet (1) qui flotte sur la mer (4) peut être relié à ladite structure de support (8) à l'aide dudit élément de raccordement (6) lorsque ladite structure de support (8) se trouve à son second niveau, et dans lequel la longueur dudit élément de raccordement (6) peut être réglée en actionnant ladite unité d'entraînement (5) afin de déplacer ladite structure de support (8) de son second niveau à son premier niveau, de manière opposée à ladite direction d'inclinaison, et dans lequel la longueur dudit élément de raccordement (6) peut être fixée après que ladite structure de support (8) soit passée à son premier niveau afin de fixer ladite structure de support (8) par rapport audit objet (1) qui flotte sur la mer (4) de sorte que ladite structure de support (8) soit déplacée vers le haut et vers le bas en même temps que ledit objet (1) qui flotte sur la mer (4), et dans lequel ladite personne (10) peut être transférée dudit objet (1) qui flotte sur la mer (4) à ladite structure de support (8) une fois que ladite structure de support (8) a été fixée par rapport audit objet (1) qui flotte sur la mer (4) et que ladite structure de support (8) ait été déplacée vers le haut et vers le bas en même temps que ledit objet (1) qui flotte sur la mer (4), et, avec ladite structure de support (8) portant ladite personne (10), la longueur dudit élément de raccordement (6) peut être réglée en actionnant ladite unité d'entraînement (5) afin de déplacer ladite structure de support (8) de son premier niveau à son second niveau.
EP11180643.6A 2010-09-08 2011-09-08 Procédé et ensemble pour le transfert sécurisé de personnes d'un vaisseau vers un objet stationnaire Not-in-force EP2428442B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2005328A NL2005328C2 (en) 2010-09-08 2010-09-08 Method and assembly for safe transfer of personnel from a vessel to a stationary object.

Publications (2)

Publication Number Publication Date
EP2428442A1 EP2428442A1 (fr) 2012-03-14
EP2428442B1 true EP2428442B1 (fr) 2013-11-27

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EP (1) EP2428442B1 (fr)
DK (1) DK2428442T3 (fr)
NL (1) NL2005328C2 (fr)

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CN110562398A (zh) * 2018-06-06 2019-12-13 上海航士海洋科技有限公司 海上风电场运维船专用系泊钳

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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
GB2510418B (en) * 2013-02-04 2018-02-28 Windcat Workboats Ltd Vessel fender structure with anchor points and draw mechanisms
DK178944B1 (en) * 2015-11-23 2017-06-19 Bovo Aps Ladder cleaning device
ES2716003B2 (es) * 2017-12-07 2019-10-09 Esteyco S A Construccion marina con estructura de embarcadero de hormigon
CN110546064B (zh) * 2018-03-29 2021-03-16 远景能源（江苏）有限公司 靠泊装置船舶
CN115092723B (zh) * 2022-08-01 2024-01-26 深圳市格睿尔科技有限公司 船舶运输通道、海上运输船和船舶运输通道搭建方法

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US2874855A (en) * 1957-07-02 1959-02-24 Texas Co Personnel or object transfer apparatus and method
FR2532612A1 (fr) * 1982-09-07 1984-03-09 Bretagne Atel Chantiers Dispositif pour le transfert de personnel entre une structure fixe ou mobile et une structure soumise a des mouvements de pilonnement
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.
DE10321088A1 (de) * 2003-05-09 2004-11-25 Abb Patent Gmbh Vorrichtung für den Zugang zu baulichen Einrichtungen auf dem Meer
WO2010034429A2 (fr) 2008-09-23 2010-04-01 Stefan Leske Procédé et dispositif de transfert sûr de personnel, par ex. pour des éoliennes en mer

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Publication number Priority date Publication date Assignee Title
CN110562398A (zh) * 2018-06-06 2019-12-13 上海航士海洋科技有限公司 海上风电场运维船专用系泊钳

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DK2428442T3 (en) 2014-02-17
NL2005328C2 (en) 2012-03-12

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