EP2818396B1 - Wasserfahrzeug, Andocksystem und Andockstruktur - Google Patents

Wasserfahrzeug, Andocksystem und Andockstruktur Download PDF

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Publication number
EP2818396B1
EP2818396B1 EP13173593.8A EP13173593A EP2818396B1 EP 2818396 B1 EP2818396 B1 EP 2818396B1 EP 13173593 A EP13173593 A EP 13173593A EP 2818396 B1 EP2818396 B1 EP 2818396B1
Authority
EP
European Patent Office
Prior art keywords
vessel
buffer
bumper bar
docking
bumper
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
EP13173593.8A
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English (en)
French (fr)
Other versions
EP2818396A1 (de
Inventor
Niels Joergen BORCH-JENSEN
Johnny Soerensen
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to EP13173593.8A priority Critical patent/EP2818396B1/de
Publication of EP2818396A1 publication Critical patent/EP2818396A1/de
Application granted granted Critical
Publication of EP2818396B1 publication Critical patent/EP2818396B1/de
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 present invention relates to a docking structure for docking a vessel to at least one bumper bar of a marine structure such as, for example, an offshore wind turbine.
  • the invention further relates to a docking system comprising such a docking structure and to a vessel with such a docking structure.
  • a transfer vessel is used which docks to the marine structure.
  • docking systems are used which fix the vessel relative to the marine structure so as to reduce movements of the vessel relative to the marine structure.
  • a docking system is, for example, disclosed in EP 2 316 721 A1 .
  • the docking system disclosed therein is fixed to the bow of a vessel and includes a buffer and hydraulic engagement arms with hook portions.
  • the engagement arms can be moved towards each other so as to grip bumper bars located at the marine structure.
  • the engagement arms comprise hydraulic cylinders by means of which they can draw the vessel firmly against the bumper bars.
  • an objective of the present invention to provide an advantageous docking structure and an advantageous docking system which allow for docking a vessel to a marine structure and for the transfer of personal or material from the vessel to the marine structure even with relatively large wave height. It is a second objective of the present invention to provide an advantageous vessel which can be used for transferring personal or material to a marine structure even in case of relatively large wave height.
  • the kinematic structure connects the mounting section to the buffer and offers six degrees of freedom for a relative movement between the mounting section and the buffer.
  • the kinematic structure comprises a damping structure for damping relative movement between the mounting section and the buffer.
  • the buffer with the gripping system allows for securely fixing the buffer to a bumper bar of a marine structure.
  • the kinematic structure with the six degrees of freedom allows the mounting section of the docking structure, and thereby a vessel connected to the docking structure by means of the mounting section, to move and rotate within a given range relative to the buffer, and thereby relative to the bumper bar of the marine structure to which the buffer is fixed.
  • the kinematic structure may comprise a hydraulic or pneumatic actuator that is able to set a relative orientation of the buffer relative to the mounting section.
  • a hydraulic or pneumatic actuator that is able to set a relative orientation of the buffer relative to the mounting section.
  • the buffer comprises at least one buffer abutment face, where for each bumper bar a buffer abutment face is present.
  • the gripping system comprises at least one pair of engagement arms, where for each bumper bar to be gripped a pair of engagement arms is present and where each engagement arm includes an arm abutment face for contacting the bumper bar.
  • the buffer is equipped with at least one moveable gear wheel, where for each bumper bar a gear wheel is present and where each gear wheel is moveable within the buffer from a storage position to a working position in which it contacts the bumper bar when the buffer abutment face and the arm abutment faces are in contact with the bumper bar.
  • a gear wheel allows for actively moving the bow of a vessel to which the docking system is fixed up and down along the bumper bar if the bumper bar is equipped with a respective gear rod.
  • the gear wheel may be located above or below a roller containing the roller surface forming the buffer abutment face.
  • each bumper bar may be present for each bumper bar, where each of the two rollers includes a roller surface forming a buffer abutment face and where the gear wheel is located between the two rollers.
  • This arrangement may help to reduce loads on the gear wheel. If a locking mechanism is associated to the gear wheels so that the gear wheels can be locked by use of the locking mechanism. By locking the gear wheels an up or down movement of the along the bumper bar can be suppressed.
  • An inventive docking system comprises an inventive docking structure and at least one bumper bar.
  • the bumper bar is connected or connectable to a marine structure such as, for example, to an offshore wind turbine.
  • the properties and advantages of such a docking system correspond to those that have already been discussed with respect to the inventive docking structure.
  • each bumper bar is equipped with a gear rod and the docking structure is a docking structure that is equipped with at least one gear wheel for each bumper bar.
  • An inventive vessel has an inventive docking structure fixed to its bow.
  • the properties and advantages that can be achieved with a vessel having an inventive docking structure fixed to its bow have already been described with respect to the inventive docking structure.
  • Figure 1 shows a buffer which is part of the inventive docking structure in a perspective front view while figure 2 shows the buffer in a perspective rear view.
  • the buffer 1 comprises a carrier structure 3 which includes a frame 5 to which an upper carrier plate 7 and a lower carrier plate 9 are fixed.
  • Each of the upper carrier plate 7 and the lower carrier plate 9 is equipped with two recesses 11 which form receiving sections, where each recess 11 is in the form of a trapezoid with the open side of the recess being formed by the longer base of the trapezoid and the rear side of the recess being formed by the shorter base of the trapezoid.
  • the recesses of the upper carrier plate 7 are located above the recesses 11 of the lower carrier plate 9 so that they together form receptacles 12 for receiving bumper bars 31 (the bumper bars are shown in figure 5 ) of a docking system.
  • Rollers 13 are located on the upper and lower carrier plates 7, 9 close to the rear sides of the recesses 11 in such a way that the roller surfaces project over the rear sides towards the open sides of the recesses 11. Thus, the roller surfaces form abutment surfaces which can butt at bumper bars 31.
  • the buffer 1 comprises a gripping system, which is formed by engagement arms 15.
  • One engagement arm is shown separately in figure 3 .
  • the gripping system of the present embodiment includes two pairs of engagement arms 15, one pair for each receptacle 12 of the buffer, i.e. one pair for each bumper bar 31 to be gripped.
  • the engagement arms 15 are located between the upper carrier plate 7 and the lower carrier plate 9 at the leg sides of the trapezoid recesses 11. They can be rotated about a rotation axis 17 by means of hydraulic cylinders 19 or any other suitable drive means, such as, e. g., electric motors.
  • Engagement rollers 21 are positioned at the free ends of the engagement arms 15 and can project into the respective receptacle 12 formed by the recesses 11 to butt at a bumper bar 31 received in the receptacle when the engagement arms are activated.
  • the free ends with the engagement rollers 21 are located between the upper carrier plate 7 and the lower carrier plate 9 so that they do not project into the receptacles 12.
  • the engagement arms 15 After being activated the engagement arms 15 are rotated about their respective rotation axis 17 by means of the hydraulic cylinders 19 or any other suitable drive means so that the engagement rollers 21 will project into the receptacles 12 to butt at a bumper bar 31 located within the receptacles 12.
  • the bumper bar is engaged at three points which are distributed about the circumference of the bumper bar 31 so that the bumper bar 31 is securely gripped and cannot slip out of the receptacle 12.
  • the three points of contact with the bumper bar 31 may substantially form an equilateral triangle.
  • Gear wheels are present at the rear side of the receptacles 12. They are located between the upper carrier plate 7 and the lower carrier plate 9 and each gear wheel is moveable from a location outside of the respective receptacle 12 to a location in which it at least partly projects into the receptacle 12.
  • a swivel axis 27 is present about which the gear wheel 23 can be swivelled, driven by a hydraulic cylinder 25 or any other suitable drive means such as, e. g., an electric motor.
  • gear wheel 23 When the gear wheel 23 is swivelled into the receptacle 12 it can engage a gear rod 29 that is located at a bumper bar 31 of an inventive docking system. Bumper bars 31 of a marine structure 32 which are equipped with gear rods 29 are shown in figure 5 .
  • FIG. 4 shows a top view of the inventive docking system that illustrates an inventive docking structure fixed to the bow 33 of a vessel 35. Moreover, the figure shows two bumper bars 31.
  • the docking structure includes a Stewart platform 37 one side of which is connected to the rear end of the buffer 1 and the other side of which comprises one or more mounting sections for mounting it to the bow 33 of a vessel 35.
  • the mounting sections are formed by three fixing points 39 by which the Stewart platform can be fixed to the bow 33 of a vessel 35.
  • the mounting section may also be realised as a fixing platform of the Stewart platform that can be fixed to the bow of a vessel.
  • the Stewart platform 37 includes 6 diagonal Hydraulic jacks that are mounted in pairs at the fixing points 39 or at the fixing platform and cross over to three mounting points at the buffer 1 where they are also mounted in pairs but in another configuration than at the fixing pints 39 or at the fixing platform.
  • the Stewart platform 37 is a kinematic construction which allows to move the buffer relative to the fixing points 39, and thereby relative to the vessel 35, in six degrees of freedom, i.e. the Stewart platform allows the buffer 1 to be shifted relative to the vessel in three independent directions and to be rotated relative to the vessel 35 about three independent rotational axes.
  • the Stewart platform 37 allows the buffer 1 to be freely rotated and shifted relative to the vessel 35 in a given translational range and the given angular range.
  • a Stewart platform 37 for connecting the buffer 1 to the bow 33 of a vessel 35. Any other suitable kinematic structure offering six degrees of freedom would be useable as well. However, since the Stewart platform is a parallel kinematics it can achieve a high rigidity with a relatively low weight construction. Moreover, the Stewart platform 37 can also be used as a suitable shock-absorbing means.
  • FIG. 6 to 22 show the approach of the vessel 35 to the bumper bars
  • FIG. 14 to 22 show how the vessel is moored to the marine structure by use of the inventive docking system.
  • Figure 6 shows a vessel 35 to the bow 33 of which a docking structure with a buffer 1 as has been described with respect to figures 1 to 3 and with a Stewart platform 37 is fixed by means of the fixing points 39.
  • the figure also shows a tower 43 of an offshore wind turbine which forms the marine structure of the present embodiment.
  • the tower 43 is equipped with two bumper bars 31 as they are shown in figure 5 .
  • Figures 7 to 13 show the vessel 35 and the tower 43 in a schematic top view, where Figures 6 to 9 show the vessel as it approaches the wind turbine tower 43.
  • the vessel 35 approaches the bumper bars 31 not frontally but at an angle so that the buffer 1 will contact one of the bumper bars 31 (the lower bumper bar in figures 6 to 9 ) first.
  • the Stewart platform is fully extended, i.e. its hydraulic jacks 41 are fully extended.
  • the buffer 1 is oriented in line with the vessel 35.
  • the final stage of approaching the bumper bars 31 is shown in figures 10 to 13 .
  • the skipper heads for one of the bumper bars 31 so that the respective bumper bar 31 is received within one of the receptacles 12 of the buffer 1.
  • the receptacle 12 that is to receive the bumper bar 31 is chosen such that the other receptacle 12 is able to receive the second bumper bar 31.
  • the operation of the docking system may be done manually or by means of on board computer aid, which in the latter case will manage the simultaneous operation of the various parts of the docking system and forward and sideward engine generated pull during docking on and docking off operation.
  • Auto pilot will control the ships movements with information from the platform (piston position and hydraulic pressure). This gives a safe ship control.
  • Figures 14 to 18 show the gripping of the bumper bars 31 by means of the gripping structure that is part of the buffer 1.
  • the figures show, in a top view, the bumper bars 31, the buffer 1 and the Stewart platform 37.
  • Figure 14 is more or less and enlarged detailed view of figure 13 .
  • the rollers 13 of the buffer 1 contact the bumper bars 31 and the vessel 35, the buffer 1 and the wind turbine tower 43 have been aligned relative to each other.
  • the engagement arms 15 will be activated, as it is shown in figure 15 .
  • Figures 20 to 22 show the final steps of mooring the vessel 35 to the wind turbine tower 43.
  • figures 20 and 21 show the buffer 1 in a side view without the side walls so that the interior of the buffer 1 is visible.
  • the gear wheels 23 will be swivelled about the swivel axis 27 from a first position in which they are located fully between the upper carrier plate 7 and the lower carrier plate 9 into a second position in which they at least partly project into the receptacles 12 so that they engage the gear rods of the bumper bars 31. Swivelling the gear wheels 23 is done by means of hydraulic cylinders 25.
  • a locking mechanism is associated with the gear wheels 23 which allow locking the gear wheels 23 so that freewheeling can be stopped. Locking the gear wheels 23 is done when the vessel 35 is on top of a wave, where the locking is realised, for example, by means of a hydraulic mechanism. Once the gear wheels 23 are locked the bow 33 of the vessel 35 stays at a certain height so that the bow 33 is out of the waves and personal or material can be transferred from the vessel to the wind turbine tower 43. Since the bow 33 of the vessel 35 is always above the waves the risk for personal transferring from the vessel to the wind turbine tower 43 can be reduced, even in case of a relatively large wave height.
  • the gear wheels 23 are used to slowly lower the bow 33 into the waves again. Then, the gear wheels 23 are disengaged from the gear rods 29 and the engagement arms 15 are moved out of the recesses 11 so that the vessel 35 is free to move away from the wind turbine tower 43.

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

Claims (11)

  1. Wasserfahrzeug (35) mit einer Anlegekonstruktion zum Anlegen des Wasserfahrzeugs (35) an mindestens einem Stoßfänger (31) einer Konstruktion (43) auf dem Meer, das Folgendes umfasst:
    - einen Puffer (1) mit mindestens einem Greifsystem (15), das sich zum Greifen eines Stoßfängers (31) einer Konstruktion (43) auf dem Meer eignet,
    - einen Befestigungsabschnitt (39), über den das Anlegesystem am Bug des Wasserfahrzeugs befestigt ist, und
    - eine kinematische Konstruktion (37), die den Befestigungsabschnitt (39) mit dem Puffer (1) verbindet und sechs Freiheitsgrade für eine Relativbewegung zwischen dem Befestigungsabschnitt (39) und dem Puffer (1) bietet, und
    - eine Dämpfungskonstruktion zum Dämpfen der Relativbewegung zwischen dem Befestigungsabschnitt (39) und dem Puffer (1),
    wobei
    es sich bei der kinematischen Konstruktion um eine Stewart-Plattform (37) mit sechs Hydraulikzylindern handelt,
    dadurch gekennzeichnet, dass
    der Befestigungsabschnitt von drei Fixierpunkten (39) oder einer Fixierplattform gebildet ist, über die die Stewart-Plattform (37) am Bug (33) des Wasserfahrzeugs (35) fixiert ist, wobei die sechs Hydraulikzylinder paarweise an den Fixierpunkten (39) oder der Fixierplattform befestigt sind und zu drei Befestigungspunkten am Puffer (1) verlaufen, wo sie ebenfalls paarweise, jedoch in einer anderen Konfiguration befestigt sind als an den Fixierpunkten (39) oder an der Fixierplattform.
  2. Wasserfahrzeug (35) nach Anspruch 1, bei dem die Anlagekonstruktion derart am Bug (33) des Wasserfahrzeugs (35) angeordnet ist, dass der Puffer (1) so vor dem Bug (33) angeordnet ist, dass er zu dem mindestens einen Stoßfänger (31) vorragt, wenn sich das Wasserfahrzeug (35) auf den mindestens einen Stoßfänger (31) zu bewegt.
  3. Wasserfahrzeug (35) nach Anspruch 1 oder 2, bei dem die kinematische Konstruktion (37) eine hydraulische oder pneumatische Dämpfungskonstruktion umfasst.
  4. Wasserfahrzeug (35) nach einem der Ansprüche 1 bis 3, bei dem der Puffer (1) mindestens eine Pufferanlagefläche (13) umfasst, wobei für jeden Stoßfänger (31) eine Pufferanlagefläche (13) vorhanden ist, und das Greifsystem mindestens ein Paar Eingreifarme (15) umfasst, wobei für jeden zu greifenden Stoßfänger (31) ein Paar Eingreifarme (15) vorhanden ist und jeder Eingreifarm (15) eine Armanlagefläche (21) zum Berühren des Stoßfängers (31) aufweist.
  5. Wasserfahrzeug (35) nach Anspruch 4, bei dem die Pufferanlagefläche und/oder die Armanlageflächen von Rollenoberflächen (13, 21) gebildet werden.
  6. Wasserfahrzeug (35) nach Anspruch 5, bei dem der Puffer (1) mit mindestens einem Zahnrad (23) versehen ist, wobei für jeden Stoßfänger (31) ein Zahnrad (23) vorhanden und jedes Zahnrad (23) so an dem Puffer (1) angeordnet ist, dass es sich mit dem Stoßfänger (31) in Kontakt bringen lässt, wenn die Anlagefläche (13) des Puffers (1) und die Armanlageflächen (21) den Stoßfänger (31) berühren.
  7. Wasserfahrzeug (35) nach Anspruch 6, bei dem das Zahnrad (23) über oder unter einer Rolle (13) angeordnet ist, die die Rollenoberfläche enthält, welche die Pufferanlagefläche bildet.
  8. Wasserfahrzeug (35) nach Anspruch 7, bei dem
    - für jeden Stoßfänger (31) zwei Rollen (13) vorhanden sind,
    - jede der zwei Rollen (13) eine Rollenoberfläche aufweist, die eine Pufferanlagefläche bildet, und
    - das Zahnrad (23) zwischen den beiden Rollen angeordnet ist.
  9. Wasserfahrzeug (35) nach einem der Ansprüche 6 bis 8, bei dem ein Verriegelungsmechanismus so mit den Zahnrädern (23) verknüpft ist, dass die Zahnräder (23) mit Hilfe des Verriegelungsmechanismus verriegelt werden können.
  10. Anlagesystem, das ein Wasserfahrzeug (35) nach einem der Ansprüche 1 bis 9 und mindestens einen mit einer Konstruktion (43) auf dem Meer verbundenen oder verbindbaren Stoßfänger (31) umfasst.
  11. Anlegesystem nach Anspruch 11, bei dem jeder Stoßfänger (31) mit einer Zahnstange (29) versehen ist und es sich bei der Anlegekonstruktion um eine Anlegekonstruktion nach einem der Ansprüche 6 bis 9 handelt.
EP13173593.8A 2013-06-25 2013-06-25 Wasserfahrzeug, Andocksystem und Andockstruktur Not-in-force EP2818396B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13173593.8A EP2818396B1 (de) 2013-06-25 2013-06-25 Wasserfahrzeug, Andocksystem und Andockstruktur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13173593.8A EP2818396B1 (de) 2013-06-25 2013-06-25 Wasserfahrzeug, Andocksystem und Andockstruktur

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EP2818396A1 EP2818396A1 (de) 2014-12-31
EP2818396B1 true EP2818396B1 (de) 2017-09-27

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201316490D0 (en) * 2013-09-17 2013-10-30 Phillips Stephen J Pole engagement device for marine vessels
FR3040682B1 (fr) 2015-09-08 2019-04-19 Savoye Dispositif d'amarrage d'un navire a un poste d'amarrage d'un ponton et ponton correspondant
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
CN111976891B (zh) * 2020-08-20 2021-08-20 燕山大学 用于大型船舶快速系泊的馈能式系泊装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007120039A1 (en) * 2006-03-01 2007-10-25 Technische Universiteit Delft Vessel, motion platform, method for compensating motions of a vessel and use of a stewart platform

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Publication number Priority date Publication date Assignee Title
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.
FI20095943A0 (fi) * 2009-09-11 2009-09-11 Mobimar Oy Kiinnityslaite ja menetelmä aluksen kiinnittämiseksi tuulivoimalaan, sekä alus
NL2003728C2 (nl) 2009-10-30 2011-05-03 P & R Systems Werkwijze voor het stabiliseren van een drijvend vaartuig tegen een stationair object.
GB2474374A (en) * 2010-11-22 2011-04-13 Brynmor Winston Phillips Vessel with a motion-compensated platform for transferring personnel or equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007120039A1 (en) * 2006-03-01 2007-10-25 Technische Universiteit Delft Vessel, motion platform, method for compensating motions of a vessel and use of a stewart platform

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