EP2423098B1 - Service ship for offshore assemblies - Google Patents

Service ship for offshore assemblies Download PDF

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Publication number
EP2423098B1
EP2423098B1 EP10008781.6A EP10008781A EP2423098B1 EP 2423098 B1 EP2423098 B1 EP 2423098B1 EP 10008781 A EP10008781 A EP 10008781A EP 2423098 B1 EP2423098 B1 EP 2423098B1
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Prior art keywords
axis
ship
column
service
transfer element
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EP10008781.6A
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German (de)
French (fr)
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EP2423098A1 (en
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Stefan Schulz
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Individual
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Individual
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Priority to PL10008781T priority Critical patent/PL2423098T3/en
Priority to EP10008781.6A priority patent/EP2423098B1/en
Priority to DK10008781.6T priority patent/DK2423098T3/en
Publication of EP2423098A1 publication Critical patent/EP2423098A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • 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
    • 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

Definitions

  • the invention relates to a service ship for offshore installations according to the preamble of claim 1.
  • FR2644445 discloses a ship having a loading and / or unloading device arranged on the top side, which carries a transfer element, and a control device for minimizing the relative movement of the transfer element.
  • the device comprises a loading and unloading device attached to the ship with a transfer element, e.g. As a platform, a ladder or a web, and a control device for minimizing the relative movement of the transfer element relative to the other object.
  • a transfer element e.g. As a platform, a ladder or a web
  • a control device for minimizing the relative movement of the transfer element relative to the other object.
  • an industrial robot as a loading or unloading device, wherein the transfer element is attached to the free end of the robot arm as a support arm or formed with this connectable, the use of a serial kinematics, namely a Gelenkarmroboter possible.
  • a motion compensation in a small space and thus the use on smaller vessels is possible.
  • the ship is designed for example as a catamaran and the industrial robot is arranged on its rear.
  • the industrial robot is designed as a six-axis articulated arm robot, so that its support arm is movable about six axes and thus six degrees of freedom.
  • the support arm is movable by means of servomotors.
  • the control device is connected to the servomotors and controls them.
  • the control device is connected to a sensor unit which receives the movements of the ship and passes on corresponding signals to the control device.
  • the tower In order to ensure a certain safety distance between a tower of the wind turbine and the ship when mooring, the tower is provided with distance spurs and the ship with roller fenders.
  • the roller fenders serve as guides for the distance bollards when the ship approaches the tower.
  • the ship with the roller fenders at its rear moves against the distance bollards and thus in a defined position with a certain distance in front of a landing, such as a head of the tower of the wind turbine.
  • a service ship with stabilized transfer element which allows the safe accessibility of offshore installations, in particular offshore wind turbines, at sea.
  • the invention preferably light and small ship is docked with roller fenders to the offshore facility and rolls it up and down.
  • the lift with preferably a platform finally compensated with the stroke of the transfer element, the shaft stroke and thus compensates for the vertical movement.
  • a stabilized loading or unloading device as access system is created so that it allows a safe transfer of persons and material by swaying, even in bad weather. The service times can therefore be extended considerably. Due to the roller fenders, the ship can also be easily guided in the horizontal direction when the ship rolls up and down the distance piles of the landing stage of an offshore installation, as this does not hinder the vertical movement of the ship.
  • this access system can be built very easily. A great advantage is beyond a high reliability and high compatibility with salt water.
  • the ship may be equipped with two rigidly connected hulls, i. as a catamaran, be trained. Due to the catamaran construction rolling movements are minimal. Low pitching movements result in preferably long, slender hulls.
  • the access system preferably comprises an actively compensated loading or unloading device with automatic control and hydraulic or electric drive combined with ship-side Rollenfendern that can completely compensate for the docking the movement of the ship and at sea a safe transition from the ship to the offshore facility and back allowed.
  • the Fig. 1 to Fig. 3 show a service ship for offshore installations with at least one fuselage 1.
  • the offshore installation is for example a wind turbine or other artificial platform facility in waters away from the coast.
  • the offshore facility can also be a large ship anchoring or in motion.
  • the service ship according to the invention has, on the deck side, in particular on the rear side and / or bow side, a loading and / or unloading device 2 which carries a transfer element 3. Furthermore, the ship has a control device (not shown) for minimizing the relative movement of the transfer element 3 to a formed with Abstandspfählen 4 landing of the offshore facility. In the case of a wind energy plant, the spacer piles 4 are fastened, for example, to a standpipe 6.
  • the control device serves to keep the transfer element 3 at sea level at a constant height X, such as Fig. 1 shows.
  • the control device preferably controls three control values, since three axes, an x-axis, a y-axis and a z-axis of a positioning system are regulated, as described below.
  • the ship With roll fenders 7, the ship is positioned under motor pressure on the fixed by the Abstandspiles 4 mooring axis.
  • the ship's engines press the ship via the roller fenders 7 in a docking position on the Abstandspfählen 4, in which the ship at the Abstandspfählen 4 can roll up and down.
  • the vertical position of the ship and also the roll and tamping angles of the ship remain free and are compensated by the loading and / or unloading device 2, preferably actively balanced.
  • the horizontal position of the ship is preferably fixed by the motor pressure of the ship by means of the roller fenders 7.
  • the loading and / or unloading device 2 is how Fig. 5a and Fig. 5d show, designed as a lift with at least one column 9, on which the transfer element 3 can be raised and lowered as a boom.
  • the column 9 defines a z-axis and has a lower gimbal-mounted column bearing 10, the at least one column. 9 in two mutually orthogonal direction axes, the x-axis and the y-axis, tiltably superimposed, which form a positioning system to the mooring axis as a spatial axis of the height display.
  • control device By means of the control device is set that the column 9, ie the z-axis, during roll and pitching movements of the ship remains vertical and thus preferably parallel to the mooring axis, such as Fig. 1 shows.
  • a preferably orthogonal positioning system for mooring axis can be formed.
  • the directional axes i. the x-axis and the y-axis with a longitudinal and transverse axis of the ship.
  • the roller fenders 7 are used in particular for a distance-fixed positioning of the rear of the Abstandspfählen 4, including the roller fenders 7 are preferably arranged in pairs to form a Andockplatzes.
  • the transfer element 3 is preferably designed as a platform, which can also be telescopically extendable, such as Fig. 5 shows.
  • the tilt angles ⁇ are each in the range of 0 ° to ⁇ 15 °. Tilting around the Y-axis compensates for a tamping angle. Tilting around the x-axis compensates for a roll angle. According to Fig. 1 the roll and pitch angle is for example ⁇ 10 °.
  • the transfer element 3 can be moved vertically to compensate for the wave height by means of similar drive elements or motor with timing belt or chains.
  • the horizontal telescopic extension of the transfer element 3 is intended as an additional security measure and allows a certain fault tolerance of the system by means of a suspension function.
  • the transfer element 3 is therefore preferably a platform that is adjustable in length.
  • the drives of the drive elements 11, 12 and the lifting movement of the transfer element 3 so be controlled, the vertical column 9 remains vertical even in strong movements of the ship in the sea state and the transfer element 3 retains the same height in space.
  • the transfer element 3 then retains the same position relative to the offshore installation.
  • the aim is to largely eliminate the movements of the docking ship, so as to allow a safe transfer of people, a reloading of tools, spare parts or auxiliary materials on the offshore facility or is facilitated by this.
  • the sensor and bearing controller of the control device which detects the target position of the transfer element 3 and passes on deviations to the controller, which then takes over the control, based on known control devices that detect the ship movements via gyro techniques or gyroscopes active and as set values to the drive elements 11th , 12 for tilting the column 9 and as set values to the lifting platform for adjusting the stroke position of the transfer element 3.
  • the column bearing 10 is preferably arranged in the region of the ship's center of gravity in a ship designed, for example, as a tail feeder.
  • the lift is formed according to the described embodiment by a vertical frame which is tiltably mounted on a cross frame as a gimbal column bearing 10.
  • the loading and / or unloading device 2 is mounted at the stern of the ship.
  • the ship has for a rear-side docking roller fender 7, which are mounted on the rear side.
  • Fig. 4 shows a further embodiment of a service ship in which the loading and unloading device 2 is arranged on the bow side.
  • the roller fenders 7 are then mounted on the bow.
  • roller fenders for example, also be mounted on the side of the ship.
  • the roller fender 7 according to Fig. 1 and Fig. 4 and the loading and / or unloading device 2 be pivotally mounted to allow an optional docking of the ship rear and / or bow side and / or laterally.

Description

Die Erfindung betrifft ein Serviceschiff für Offshore-Anlagen nach dem Oberbegriff des Anspruchs 1.The invention relates to a service ship for offshore installations according to the preamble of claim 1.

Aus der WO 2010/034429 ist ein Serviceschiff mit den Merkmalen des Oberbegriffs des Anspruchs 1 bekannt. FR2644445 offenbart ein Schiff mit einer deckseitig angeordneten Be- und/oder Entladeeinrichtung, die ein Transferelement trägt, und einer Regeleinrichtung zum Minimieren der Relativbewegung des Transferelementes.From the WO 2010/034429 a service vessel having the features of the preamble of claim 1 is known. FR2644445 discloses a ship having a loading and / or unloading device arranged on the top side, which carries a transfer element, and a control device for minimizing the relative movement of the transfer element.

Aus DE 10 2009 016 082 A1 ist eine Vorrichtung zum sicheren Übersetzen von Personal oder Material von einem Schiff auf ein anderes relativ dazu bewegtes Objekt bekannt. Die Vorrichtung umfasst eine an dem Schiff angebrachte Be- und Entladeeinrichtung mit einem Transferelement, z. B. einer Plattform, einer Leiter oder einem Steg, und einer Regeleinrichtung zur Minimierung der Relativbewegung des Transferelementes relativ zu dem anderen Objekt. Durch eine solche Vorrichtung wird die Zugänglichkeit von Offshore installierten Windkraftanlagen verbessert, die eine der wichtigsten Parameter für die Wirtschaftlichkeit von Offshore installierten Anlagen ist. Der tatsächlich mögliche Zugang hängt dabei im Wesentlichen von zwei Faktoren ab. Der eine Faktor ist die zum jeweiligen Zeitpunkt herrschende Wellenhöhe, der andere Faktor ist die Fähigkeit des Zugangssystems, die Wellenbewegungen möglichst vollständig auszugleichen.Out DE 10 2009 016 082 A1 For example, there is known an apparatus for safely translating personnel or material from one ship to another relatively moved object. The device comprises a loading and unloading device attached to the ship with a transfer element, e.g. As a platform, a ladder or a web, and a control device for minimizing the relative movement of the transfer element relative to the other object. Such a device improves the accessibility of offshore installed wind turbines, which is one of the most important parameters for the economics of offshore installed plants. The actual possible access depends essentially on two factors. The one factor is the prevailing wave height at the time, the other factor is the ability of the access system to balance the wave movements as completely as possible.

Durch die Verwendung eines Industrieroboters als Be- oder Entladeeinrichtung, wobei das Transferelement am freien Ende des Roboterarms als Tragarm angebracht ist oder mit diesem verbindbar ausgebildet ist, ist der Einsatz einer seriellen Kinematik, nämlich ein Gelenkarmroboter, möglich. Eine Bewegungskompensation auf kleinem Raum und damit der Einsatz auf kleineren Schiffen ist möglich. Das Schiff ist beispielsweise als Katamaran ausgebildet und der Industrieroboter ist auf seinem Heck angeordnet. Der Industrieroboter ist als sechsachsiger Gelenkarmroboter ausgebildet, so dass dessen Tragarm um sechs Achsen und damit sechs Freiheitsgraden bewegbar ist. Der Tragarm ist mittels Servomotoren bewegbar. Die Regeleinrichtung ist an die Servomotoren angeschlossen und steuert diese. Die Regeleinrichtung ist mit einer Sensoreinheit verbunden, die die Bewegungen des Schiffes aufnimmt und entsprechende Signale an die Regeleinrichtung weitergibt.By using an industrial robot as a loading or unloading device, wherein the transfer element is attached to the free end of the robot arm as a support arm or formed with this connectable, the use of a serial kinematics, namely a Gelenkarmroboter possible. A motion compensation in a small space and thus the use on smaller vessels is possible. The ship is designed for example as a catamaran and the industrial robot is arranged on its rear. The industrial robot is designed as a six-axis articulated arm robot, so that its support arm is movable about six axes and thus six degrees of freedom. The support arm is movable by means of servomotors. The control device is connected to the servomotors and controls them. The control device is connected to a sensor unit which receives the movements of the ship and passes on corresponding signals to the control device.

Um einen gewissen Sicherheitsabstand zwischen einem Turm der Windenergieanlage und dem Schiff beim Anlegen sicherzustellen, ist der Turm mit Abstandspollern und das Schiff mit Rollenfendern versehen. Die Rollenfender dienen beim Heranfahren des Schiffes an den Turm als Führungen für die Abstandspoller. Zum sicheren Übersetzen von Personal fährt das Schiff mit den Rollenfendern an seinem Heck gegen die Abstandspoller und damit in eine definierte Position mit einem bestimmten Abstand vor eine Anlegestelle, wie eine Leiter des Turms der Windenergieanlage.In order to ensure a certain safety distance between a tower of the wind turbine and the ship when mooring, the tower is provided with distance spurs and the ship with roller fenders. The roller fenders serve as guides for the distance bollards when the ship approaches the tower. To safely translate personnel, the ship with the roller fenders at its rear moves against the distance bollards and thus in a defined position with a certain distance in front of a landing, such as a head of the tower of the wind turbine.

Nachteilig ist, dass solche Roboter relativ schwer, teuer und im Allgemeinen nicht seewasserfest sind.The disadvantage is that such robots are relatively heavy, expensive and generally not seawater resistant.

Aus WO 2007/120039 A1 ist bekannt, die Relativbewegung beim Übersetzen von Personal oder Material von einem Schiff durch die parallele Kinematik eines Hexapods auszugleichen. Der Platzbedarf ist dafür allerdings hoch und somit für kleinere, leichtere Schiffe, die konstruktionsbedingt bereits ein besseres Anlegeverhalten zeigen, nicht geeignet.Out WO 2007/120039 A1 It is known to compensate for the relative movement in translating personnel or material from a ship through the parallel kinematics of a hexapod. However, the space required for this is high and thus for smaller, lighter ships, which by design already show a better application behavior, not suitable.

Aufgabe der vorliegenden Erfindung ist es daher, ein Serviceschiff mit stabilisierter Plattform zu schaffen, das einen sicheren Übergang von Personal und Material von einem Serviceschiff auf von der Küste entfernte Offshore-Windenergieanlagen ermöglicht.It is therefore an object of the present invention to provide a stabilized platform service ship which enables a safe transfer of personnel and material from a service vessel to offshore offshore wind turbines.

Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst.This object is solved by the features of claim 1.

Hierdurch wird ein Serviceschiff mit stabilisiertem Transferelement geschaffen, das die sichere Zugänglichkeit von Offshore-Anlagen, insbesondere Offshore-Windenergieanlagen, bei Seegang erlaubt. Das erfindungsgemäß vorzugsweise leichte und kleine Schiff wird mit Rollenfendern an die Offshore-Anlage angedockt und rollt daran auf und ab. Zur Stabilisierung des Transferelementes, insbesondere einer Plattform, sind dann nur noch zwei Achsen zu regeln, um das Rollen und Stampfen des Schiffes auszugleichen. Über die kardanische Befestigung des unteren Endes der Säule wird dies möglich. Die Hebebühne mit vorzugsweise einer Plattform schließlich kompensiert mit dem Hub des Transferelementes den Wellenhub und gleicht damit die Vertikalbewegung aus. Eine stabilisierte Be- oder Entladeeinrichtung als Zugangssystem wird so geschaffen, dass sie einen sicheren Übergang von Personen und Material durch Seegangsausgleich, d.h auch bei schlechtem Wetter, erlaubt. Die Servicezeiten können folglich erheblich ausgedehnt werden. Durch die Rollenfender kann das Schiff zudem in horizontaler Richtung einfach geführt werden, wenn das Schiff an den Abstandspfählen der Anlegestelle einer Offshore-Anlage auf und ab rollt, da hierdurch die vertikale Schiffsbewegung nicht behindert wird.As a result, a service ship with stabilized transfer element is created, which allows the safe accessibility of offshore installations, in particular offshore wind turbines, at sea. The invention preferably light and small ship is docked with roller fenders to the offshore facility and rolls it up and down. To stabilize the transfer element, in particular a platform, then only two axes are to be regulated to compensate for the rolling and pounding of the ship. This is possible via the gimbal attachment of the lower end of the column. The lift with preferably a platform finally compensated with the stroke of the transfer element, the shaft stroke and thus compensates for the vertical movement. A stabilized loading or unloading device as access system is created so that it allows a safe transfer of persons and material by swaying, even in bad weather. The service times can therefore be extended considerably. Due to the roller fenders, the ship can also be easily guided in the horizontal direction when the ship rolls up and down the distance piles of the landing stage of an offshore installation, as this does not hinder the vertical movement of the ship.

Durch Einsatz von leichten Kohlefaserstrukturen für die Konstruktionsteile der Beoder Entladeeinrichtung kann dieses Zugangssystem sehr leicht gebaut werden. Ein großer Vorteil ist darüber hinaus eine hohe Funktionssicherheit und eine hohe Verträglichkeit gegenüber Salzwasser.By using lightweight carbon fiber structures for the structural parts of the loading or unloading device, this access system can be built very easily. A great advantage is beyond a high reliability and high compatibility with salt water.

Durch das geringe Schiffsgewicht kleiner, leichter Serviceschiffe wird die Aufprallenergie an die Offshore-Anlage begrenzt. Weiterhin werden die Wartungskosten durch die Leichtbaukonstruktion minimiert.Due to the low weight of small, light service vessels, the impact energy is limited to the offshore facility. Furthermore, the maintenance costs are minimized by the lightweight construction.

Das Schiff kann mit zwei fest miteinander verbundenen Rümpfen, d.h. als Katamaran, ausgebildet sein. Durch die Katamaranbauweise sind Rollbewegungen minimal. Geringe Stampfbewegungen ergeben sich bei vorzugsweise langen, schlanken Rümpfen.The ship may be equipped with two rigidly connected hulls, i. as a catamaran, be trained. Due to the catamaran construction rolling movements are minimal. Low pitching movements result in preferably long, slender hulls.

Das erfindungsgemäße Zugangssystem umfasst vorzugsweise eine aktiv kompensierte Be- oder Entladeeinrichtung mit automatischer Steuerung und hydraulischem oder elektrischem Antrieb kombiniert mit schiffsseitigen Rollenfendern, das beim Andockvorgang die Bewegung des Schiffes komplett ausgleichen kann und bei Seegang einen sicheren Übergang vom Schiff auf die Offshore-Anlage und zurück erlaubt.The access system according to the invention preferably comprises an actively compensated loading or unloading device with automatic control and hydraulic or electric drive combined with ship-side Rollenfendern that can completely compensate for the docking the movement of the ship and at sea a safe transition from the ship to the offshore facility and back allowed.

Weitere Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung und den Unteransprüchen zu entnehmen.Further embodiments of the invention are described in the following description and the dependent claims.

Die Erfindung wird nachstehend anhand des in den beigefügten Abbildungen dargestellten Ausführungsbeispiels näher erläutert.

  • Fig. 1 zeigt schematisch eine Seitenansicht eines an eine Offshore-Anlage angedockten Schiffes bei Seegang,
  • Fig. 2 zeigt schematisch eine Seitenansicht des Schiffes gemäß Fig. 1 unter Darstellung weiterer Details,
  • Fig. 3 zeigt eine Draufsicht des Schiffes gemäß Fig. 2,
  • Fig. 4 zeigt schematisch eine Seitenansicht eines Schiffes mit einer bugseitig angeordneten Be- und/oder Entladeeinrichtung,
  • Fig. 5a bis Fig. 5d zeigen schematisch verschiedene Ansichten der Be- oder Entladeeinrichtung des Schiffes gemäß Fig. 1.
The invention will be explained in more detail with reference to the embodiment shown in the accompanying drawings.
  • Fig. 1 schematically shows a side view of a ship docked at an offshore facility at sea,
  • Fig. 2 schematically shows a side view of the ship according to Fig. 1 with further details,
  • Fig. 3 shows a plan view of the ship according to Fig. 2 .
  • Fig. 4 shows schematically a side view of a ship with a bow-side arranged loading and / or unloading,
  • Fig. 5a to Fig. 5d show schematically different views of the loading or unloading of the ship according to Fig. 1 ,

Die Fig. 1 bis Fig. 3 zeigen ein Serviceschiff für Offshore-Anlagen mit mindestens einem Rumpf 1. Die Offshore-Anlage ist beispielsweise eine Windenergieanlage oder eine sonstige künstliche Plattform-Anlage in Gewässern entfernt von der Küste. Die Offshore-Anlage kann auch ein Großschiff sein, das ankert oder sich in Fahrt befindet.The Fig. 1 to Fig. 3 show a service ship for offshore installations with at least one fuselage 1. The offshore installation is for example a wind turbine or other artificial platform facility in waters away from the coast. The offshore facility can also be a large ship anchoring or in motion.

Das erfindungsgemäße Serviceschiff weist deckseitig, insbesondere heckseitig und/oder bugseitig eine Be- und/oder Entladeeinrichtung 2 auf, die ein Transferelement 3 trägt. Weiterhin weist das Schiff eine Regeleinrichtung (nicht dargestellt) zum Minimieren der Relativbewegung des Transferelementes 3 zu einer mit Abstandspfählen 4 ausgebildeten Anlegestelle der Offshore-Anlage auf. Im Falle einer Windenergieanlage sind die Abstandspfähle 4 beispielsweise an einem Standrohr 6 befestigt. Die Regeleinrichtung dient dazu, das Transferelement 3 bei Seegang auf konstanter Höhe X zu halten, wie Fig. 1 zeigt. Erfindungsgemäß steuert die Regeleinrichtung vorzugsweise drei Stellwerte, da drei Achsen, eine x-Achse, eine y-Achse und eine z-Achse eines Positioniersystems geregelt werden, wie nachfolgend beschrieben ist.The service ship according to the invention has, on the deck side, in particular on the rear side and / or bow side, a loading and / or unloading device 2 which carries a transfer element 3. Furthermore, the ship has a control device (not shown) for minimizing the relative movement of the transfer element 3 to a formed with Abstandspfählen 4 landing of the offshore facility. In the case of a wind energy plant, the spacer piles 4 are fastened, for example, to a standpipe 6. The control device serves to keep the transfer element 3 at sea level at a constant height X, such as Fig. 1 shows. According to the invention, the control device preferably controls three control values, since three axes, an x-axis, a y-axis and a z-axis of a positioning system are regulated, as described below.

Mit Rollenfendern 7 wird das Schiff unter motorischem Andruck an die durch die Abstandspfähle 4 definierte Festmachachse positioniert. Die Schiffsmotoren drücken das Schiff über die Rollenfender 7 in eine Andockstellung an den Abstandspfählen 4, bei der das Schiff an den Abstandspfählen 4 auf und ab rollen kann. Die vertikale Position des Schiffes und auch die Roll- und Stampfwinkel des Schiffes bleiben dabei frei und werden durch die Be- und/oder Entladeeinrichtung 2 ausgeglichen, und zwar vorzugsweise aktiv ausgeglichen. Die horizontale Position des Schiffes wird vorzugsweise durch den motorischen Andruck des Schiffes mittels der Rollenfender 7 fixiert.With roll fenders 7, the ship is positioned under motor pressure on the fixed by the Abstandspiles 4 mooring axis. The ship's engines press the ship via the roller fenders 7 in a docking position on the Abstandspfählen 4, in which the ship at the Abstandspfählen 4 can roll up and down. The vertical position of the ship and also the roll and tamping angles of the ship remain free and are compensated by the loading and / or unloading device 2, preferably actively balanced. The horizontal position of the ship is preferably fixed by the motor pressure of the ship by means of the roller fenders 7.

Die Be- und/oder Entladeeinrichtung 2 ist, wie Fig. 5a und Fig. 5d zeigen, als Hebebühne ausgebildet mit mindestens einer Säule 9, an der das Transferelement 3 als Ausleger heb- und senkbar ist. Die Säule 9 definiert eine z-Achse und weist ein unteres kardanisch befestigtes Säulenlager 10 auf, das die mindestens eine Säule 9 in zwei zueinander rechtwinkligen Richtungsachsen, die x-Achse und die y-Achse, kippbar lagert, die zur Festmachachse als räumliche Achse der Höhenanzeige ein Positioniersystem bilden. Mittels der Regeleinrichtung wird eingestellt, dass die Säule 9, d.h. die z-Achse, bei Roll- und Stampfbewegungen des Schiffes senkrecht bleibt und damit vorzugsweise parallel zur Festmachachse, wie Fig. 1 zeigt. Ein vorzugsweise orthogonales Positioniersystem zur Festmachachse ist ausbildbar.The loading and / or unloading device 2 is how Fig. 5a and Fig. 5d show, designed as a lift with at least one column 9, on which the transfer element 3 can be raised and lowered as a boom. The column 9 defines a z-axis and has a lower gimbal-mounted column bearing 10, the at least one column. 9 in two mutually orthogonal direction axes, the x-axis and the y-axis, tiltably superimposed, which form a positioning system to the mooring axis as a spatial axis of the height display. By means of the control device is set that the column 9, ie the z-axis, during roll and pitching movements of the ship remains vertical and thus preferably parallel to the mooring axis, such as Fig. 1 shows. A preferably orthogonal positioning system for mooring axis can be formed.

Zum Ausgleich von Roll- und Stampfbewegungen des Schiffes fluchten die Richtungsachsen, d.h. die x-Achse und die y-Achse mit einer Längs- und Querachse des Schiffes. Die Rollenfender 7 dienen insbesondere für eine abstandsfeste Positionierung des Hecks an den Abstandspfählen 4, wozu die Rollenfender 7 vorzugsweise in Paaren angeordnet sind zum Ausbilden eines Andockplatzes.To compensate for rolling and pitching movements of the ship, the directional axes, i. the x-axis and the y-axis with a longitudinal and transverse axis of the ship. The roller fenders 7 are used in particular for a distance-fixed positioning of the rear of the Abstandspfählen 4, including the roller fenders 7 are preferably arranged in pairs to form a Andockplatzes.

Das Transferelement 3 ist vorzugsweise als Plattform ausgebildet, die zudem teleskopisch ausfahrbar sein kann, wie Fig. 5 zeigt.The transfer element 3 is preferably designed as a platform, which can also be telescopically extendable, such as Fig. 5 shows.

Die Säule 9, die hier als Rahmen ausgebildet ist, kann zum Ausgleich der Roll- und Stampfwinkel mit Antriebselementen 11, 12, wie Hydraulikzylindern oder elektrischen Linearantrieben, die die Säule in x- und y-Richtung schräg stellen, ausgebildet sein. Die Kippwinkel α liegen jeweils im Bereich von 0° bis ± 15°. Ein Kippen um die Y-Achse gleicht einen Stampfwinkel aus. Ein Kippen um die x-Achse gleicht einen Rollwinkel aus. Gemäß Fig. 1 liegt der Roll- und Stampfwinkel bei beispielsweise ± 10°.The column 9, which is designed here as a frame, can be designed to compensate for the rolling and tamping angles with drive elements 11, 12, such as hydraulic cylinders or electric linear drives, which make the column inclined in the x and y directions. The tilt angles α are each in the range of 0 ° to ± 15 °. Tilting around the Y-axis compensates for a tamping angle. Tilting around the x-axis compensates for a roll angle. According to Fig. 1 the roll and pitch angle is for example ± 10 °.

Das Transferelement 3 kann zum Ausgleich der Wellenhöhe mittels ähnlicher Antriebselemente oder auch motorisch mit Zahnriemen oder Ketten vertikal verfahren werden. Der horizontale Teleskopauszug des Transferelementes 3 ist dabei als zusätzliche Sicherheitsmaßnahme gedacht und erlaubt mittels einer Federungsfunktion eine gewisse Fehlertoleranz des Systems. Das Transferelement 3 ist also vorzugsweise eine Plattform, die längenverstellbar ist.The transfer element 3 can be moved vertically to compensate for the wave height by means of similar drive elements or motor with timing belt or chains. The horizontal telescopic extension of the transfer element 3 is intended as an additional security measure and allows a certain fault tolerance of the system by means of a suspension function. The transfer element 3 is therefore preferably a platform that is adjustable in length.

Mittels Sensoren und einer elektronischen Steuerung können dann die Antriebe der Antriebselemente 11, 12 und die Hubbewegung des Transferelementes 3 so gesteuert werden, das die vertikale Säule 9 auch bei starken Bewegungen des Schiffes im Seegang senkrecht bleibt und das Transferelement 3 die gleiche Höhe im Raum behält. Damit behält das Transferelement 3 dann auch recht genau die gleiche Position relativ zur Offshore-Anlage. Das Ziel, die Bewegungen des andockenden Schiffes weitgehend zu eliminieren, um so einen gefahrlosen Übertritt von Personen, ein Umladen von Werkzeugen, Ersatzteilen oder Hilfsstoffen auf die Offshore-Anlage zu ermöglichen bzw. zu erleichtern, wird hierdurch gewährleistet. Die Sensorik und Lagerregler der Regeleinrichtung, die die Soll-Lage des Transferelementes 3 feststellt und Abweichungen dem Regler weitergibt, der dann die Steuerung übernimmt, basiert auf bekannten Regeleinrichtungen, die die Schiffsbewegungen über Kreiseltechniken bzw. Kreiselinstrumente aktiv erfassen und als Sollwerte an die Antriebselemente 11, 12 zum Kippen der Säule 9 und als Sollwerte an die Hebebühne zum Einstellen der Hubstellung des Transferelementes 3 geben.By means of sensors and an electronic control can then the drives of the drive elements 11, 12 and the lifting movement of the transfer element 3 so be controlled, the vertical column 9 remains vertical even in strong movements of the ship in the sea state and the transfer element 3 retains the same height in space. Thus, the transfer element 3 then retains the same position relative to the offshore installation. The aim is to largely eliminate the movements of the docking ship, so as to allow a safe transfer of people, a reloading of tools, spare parts or auxiliary materials on the offshore facility or is facilitated by this. The sensor and bearing controller of the control device, which detects the target position of the transfer element 3 and passes on deviations to the controller, which then takes over the control, based on known control devices that detect the ship movements via gyro techniques or gyroscopes active and as set values to the drive elements 11th , 12 for tilting the column 9 and as set values to the lifting platform for adjusting the stroke position of the transfer element 3.

Das Säulenlager 10 ist bei einem beispielsweise als Heckanleger ausgebildeten Schiff vorzugsweise im Bereich des Schiff-Schwerpunktes angeordnet.The column bearing 10 is preferably arranged in the region of the ship's center of gravity in a ship designed, for example, as a tail feeder.

Die Hebebühne wird gemäß beschriebenem Ausführungsbeispiel durch ein vertikales Rahmengestell gebildet, das auf einem Kreuzgestell als kardanischem Säulenlager 10 kippbar gelagert ist.The lift is formed according to the described embodiment by a vertical frame which is tiltably mounted on a cross frame as a gimbal column bearing 10.

Gemäß Fig. 1 bis Fig. 3 ist die Be- und/oder Entladeeinrichtung 2 am Heck des Schiffes montiert. Das Schiff weist für ein heckseitiges Andocken Rollenfender 7 auf, die heckseitig montiert sind.According to Fig. 1 to Fig. 3 the loading and / or unloading device 2 is mounted at the stern of the ship. The ship has for a rear-side docking roller fender 7, which are mounted on the rear side.

Fig. 4 zeigt ein weiteres Ausführungsbeispiel eines Serviceschiffes bei dem die Beund/oder Entladeeinrichtung 2 bugseitig angeordnet ist. Die Rollenfender 7 sind dann am Bug montiert. Im Übrigen gelten die vorstehenden Ausführungen zum Serviceschiff und Be- und/oder Entladeeinrichtung 2 entsprechend. Fig. 4 shows a further embodiment of a service ship in which the loading and unloading device 2 is arranged on the bow side. The roller fenders 7 are then mounted on the bow. Incidentally, the above statements on the service ship and loading and / or unloading 2 apply accordingly.

Für ein seitliches Andocken des Schiffes, können die Rollenfender beispielsweise auch an der Seite des Schiffes montiert sein. Alternativ können die Rollenfender 7 gemäß Fig. 1 und Fig. 4 und die Be- und/oder Entladeeinrichtung 2 schwenkbar montiert sein, um ein wahlweises Andocken des Schiffes heck- und/oder bugseitig und/oder seitlich zu ermöglichen.For a lateral docking of the ship, the roller fenders, for example, also be mounted on the side of the ship. Alternatively, the roller fender 7 according to Fig. 1 and Fig. 4 and the loading and / or unloading device 2 be pivotally mounted to allow an optional docking of the ship rear and / or bow side and / or laterally.

Claims (9)

  1. Service ship for offshore installations which have a berthing point formed with spacer poles (4), with a loading and/or unloading device (2) which is arranged on the deck side, bears a transfer element (3) and is designed as a hoist with at least one column (9) on which the transfer element (3) as a cantilever can be raised and lowered, and with roll fenders (7) for positioning the ship under motor pressure against the mooring axis defined by the spacer poles (4), characterized in that a control device is provided for minimizing the relative movement of the transfer element (3) with respect to the berthing point, for which purpose the column (9) has a fixed lower gimballed column bearing (10) which mounts the at least one column (9) such that it can be tilted in two direction axes (x axis, y axis) at right angles to one another, which column (9) forms a positioning system with respect to the mooring axis as spatial axis of the height indication.
  2. Service ship according to Claim 1, characterized in that, in order to compensate for rolling and pitching movements of the ship, the direction axes (x axis, y axis) are aligned with a longitudinal and transverse axis of the hull (1).
  3. Service ship according to Claim 1 or 2, characterized in that tilting angles (α) of the at least one column (9) are each in the range of 0° to ± 15°.
  4. Service ship according to one of Claims 1 to 3, characterized in that the at least one column (9) can be tilted on the direction axes (x axis, y axis) by means of lifting cylinders (11, 12).
  5. Service ship according to Claim 4, characterized in that the lifting cylinders (11, 12) and a lifting function of the hoist can be activated in the direction of a z axis by a control device.
  6. Service ship according to one of Claims 1 to 5, characterized in that the transfer element (3) is designed as a platform which is length-adjustable.
  7. Service ship according to one of Claims 1 to 6, characterized in that the roll fenders (7) are intended for horizontally fixing the ship.
  8. Service ship according to one of Claims 1 to 7, characterized in that the roll fenders (7) are arranged in pairs for positioning the ship with a fixed spacing against the spacer poles (4).
  9. Service ship according to one of Claims 1 to 8, characterized in that the hoist has as a column (9) a vertical framework which is mounted tiltably on a cross-frame.
EP10008781.6A 2010-08-24 2010-08-24 Service ship for offshore assemblies Not-in-force EP2423098B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL10008781T PL2423098T3 (en) 2010-08-24 2010-08-24 Service ship for offshore assemblies
EP10008781.6A EP2423098B1 (en) 2010-08-24 2010-08-24 Service ship for offshore assemblies
DK10008781.6T DK2423098T3 (en) 2010-08-24 2010-08-24 Service ship for offshore installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10008781.6A EP2423098B1 (en) 2010-08-24 2010-08-24 Service ship for offshore assemblies

Publications (2)

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EP2423098A1 EP2423098A1 (en) 2012-02-29
EP2423098B1 true EP2423098B1 (en) 2013-04-10

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EP10008781.6A Not-in-force EP2423098B1 (en) 2010-08-24 2010-08-24 Service ship for offshore assemblies

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EP (1) EP2423098B1 (en)
DK (1) DK2423098T3 (en)
PL (1) PL2423098T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2660140B1 (en) * 2012-05-03 2018-02-21 Siemens Aktiengesellschaft A docking device for facilitating a transfer between a vessel and an offshore structure
DE202012103562U1 (en) * 2012-09-18 2013-12-20 Rolf Rohden Float with a crane
DE102019120992A1 (en) * 2019-08-02 2021-02-04 Hans Lutz Maschinenfabrik GmbH & Co. KG LIFT WITH BELT PULLING DEVICE
GB202106434D0 (en) * 2021-05-05 2021-06-16 Dyena Ltd Apparatus for transfer of personnel, goods and/or equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644445B1 (en) * 1989-03-20 1991-07-05 Havre Chantiers DEVICE FOR HANDLING AND TOWING SUBMERSIBLE BODIES
NL1006952C1 (en) * 1997-03-28 1997-11-25 Abraham Dirk Husson Huijsman Ship-loading and unloading system
SE527623C2 (en) * 2004-04-16 2006-04-25 Mikael Jacobsson Land rise device for touching a watercraft
NL1031263C2 (en) 2006-03-01 2007-09-04 Univ Delft Tech Vessel, movement platform, method for compensating for movements of a vessel and use of a Stewart platform.
DE102009016082A1 (en) 2008-04-28 2009-10-29 Stefan Leske Device for safely transferring personnel or material from a ship-shaped object to a relatively moved object and ship with the device
WO2010034429A2 (en) * 2008-09-23 2010-04-01 Stefan Leske METHOD AND ASSEMBLY FOR THE SAFE TRANSFER OF PERSONNEL e.g. FOR OFFSHORE WIND TURBINES

Also Published As

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EP2423098A1 (en) 2012-02-29
DK2423098T3 (en) 2013-07-08
PL2423098T3 (en) 2013-09-30

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