EP2818396A1 - Wasserfahrzeug, Andocksystem und Andockstruktur - Google Patents

Wasserfahrzeug, Andocksystem und Andockstruktur Download PDF

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Publication number
EP2818396A1
EP2818396A1 EP13173593.8A EP13173593A EP2818396A1 EP 2818396 A1 EP2818396 A1 EP 2818396A1 EP 13173593 A EP13173593 A EP 13173593A EP 2818396 A1 EP2818396 A1 EP 2818396A1
Authority
EP
European Patent Office
Prior art keywords
buffer
docking
vessel
bumper bar
docking structure
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.)
Granted
Application number
EP13173593.8A
Other languages
English (en)
French (fr)
Other versions
EP2818396B1 (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
Siemens Corp
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, Siemens Corp 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 which docks to the marine structure.
  • the transfer of personal and material to the marine structure might be difficult or even dangerous if the marine structure is more or less fixed relative to the waves while the boat is floating. Therefore, 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. After the vessel is secured to the marine structure by means of the buffer and the engagement arms the personal and material can be transferred from the vessel to the structure.
  • 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 first objective is achieved by a docking structure as claimed in claim 1 and by a docking system as claimed in claim 12.
  • the second objective is achieved by a vessel as claimed in claim 11.
  • the depending claims contain further developments of the invention.
  • 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 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 damping structure for damping relative movement between the mounting section and the buffer.
  • the damping structure may, in particular, be the hydraulic or pneumatic damping structure.
  • 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.
  • a suitable kinematic structure which can be used in the inventive docking structure is Stewart platform.
  • Such a Stewart platform has a good relation between loads that can be handled by the kinematic structure to the weight of the structure.
  • 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 Stuart 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)
  • Wind Motors (AREA)
  • Vibration Dampers (AREA)
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

Publications (2)

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

Family

ID=48700346

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13173593.8A Not-in-force EP2818396B1 (de) 2013-06-25 2013-06-25 Wasserfahrzeug, Andocksystem und Andockstruktur

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EP (1) EP2818396B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2520094A (en) * 2013-09-17 2015-05-13 Alicat Workboats Ltd Pole Engagement device for marine vessels
FR3040682A1 (fr) * 2015-09-08 2017-03-10 Savoye Dispositif d'amarrage d'un navire a un poste d'amarrage d'un ponton et ponton correspondant
EP3190042A1 (de) * 2016-01-08 2017-07-12 Northern Offshore Services AB Fenderanordnung zum anlegen eines seefahrzeugs an einem bootlandungsplatz einer offshore-struktur
CN111976891A (zh) * 2020-08-20 2020-11-24 燕山大学 用于大型船舶快速系泊的馈能式系泊装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083072A (en) * 1974-08-30 1978-04-11 Ryan William J Connection system for marine structures
US20030182741A1 (en) * 2000-09-06 2003-10-02 Prins Reinout Klaar Norfolc Jaap Vessel, provided with a gang plank for coupling to an offshore pole structure
EP2298641A2 (de) * 2009-09-11 2011-03-23 Mobimar Oy Vorrichtung zum Verbinden eines Schiffes und eine Windkraftanlage, sowie Schiff
GB2474374A (en) * 2010-11-22 2011-04-13 Brynmor Winston Phillips Vessel with a motion-compensated platform for transferring personnel or equipment
EP2316721A1 (de) 2009-10-30 2011-05-04 Presign Holding B.V. Verfahren zum Stabilisieren eines Fahrzeugs gegen ein unverändertes Objekt

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1031263C2 (nl) * 2006-03-01 2007-09-04 Univ Delft Tech Vaartuig, bewegingsplatform, werkwijze voor het compenseren voor bewegingen van een vaartuig en gebruik van een Stewart platform.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083072A (en) * 1974-08-30 1978-04-11 Ryan William J Connection system for marine structures
US20030182741A1 (en) * 2000-09-06 2003-10-02 Prins Reinout Klaar Norfolc Jaap Vessel, provided with a gang plank for coupling to an offshore pole structure
EP2298641A2 (de) * 2009-09-11 2011-03-23 Mobimar Oy Vorrichtung zum Verbinden eines Schiffes und eine Windkraftanlage, sowie Schiff
EP2316721A1 (de) 2009-10-30 2011-05-04 Presign Holding B.V. Verfahren zum Stabilisieren eines Fahrzeugs gegen ein unverändertes Objekt
GB2474374A (en) * 2010-11-22 2011-04-13 Brynmor Winston Phillips Vessel with a motion-compensated platform for transferring personnel or equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2520094A (en) * 2013-09-17 2015-05-13 Alicat Workboats Ltd Pole Engagement device for marine vessels
FR3040682A1 (fr) * 2015-09-08 2017-03-10 Savoye Dispositif d'amarrage d'un navire a un poste d'amarrage d'un ponton et ponton correspondant
US9926046B2 (en) 2015-09-08 2018-03-27 Savoye Device for mooring a water craft to a mooring berth of a pontoon, and corresponding pontoon
EP3190042A1 (de) * 2016-01-08 2017-07-12 Northern Offshore Services AB Fenderanordnung zum anlegen eines seefahrzeugs an einem bootlandungsplatz einer offshore-struktur
US12116090B2 (en) 2016-01-08 2024-10-15 Northern Offshore Services Ab Fender arrangement for docking a marine vessel with a boat landing of a marine off-shore structure
CN111976891A (zh) * 2020-08-20 2020-11-24 燕山大学 用于大型船舶快速系泊的馈能式系泊装置

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