DE102004024257B4 - System for transferring heavy loads to and from offshore installation using a floating mat between ship and installation and using winches - Google Patents

System for transferring heavy loads to and from offshore installation using a floating mat between ship and installation and using winches Download PDF

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Publication number
DE102004024257B4
DE102004024257B4 DE102004024257A DE102004024257A DE102004024257B4 DE 102004024257 B4 DE102004024257 B4 DE 102004024257B4 DE 102004024257 A DE102004024257 A DE 102004024257A DE 102004024257 A DE102004024257 A DE 102004024257A DE 102004024257 B4 DE102004024257 B4 DE 102004024257B4
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Germany
Prior art keywords
installation
offshore
ship
net
heavy loads
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Expired - Fee Related
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DE102004024257A
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German (de)
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DE102004024257A1 (en
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Marten Jensen
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Individual
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Individual
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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 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • 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

Abstract

A system for transferring heavy loads to and from offshore installations, e.g. offshore wind farms, has a floating mat (16) to support the loads and position them for winching to and from the installation and to transfer onto ships. A simple mat is provided using a net attached to support buoys and with stabilising ballast weights.

Description

Die Erfindung betrifft ein Verfahren zum Verbringen oder Entsorgen von Gegenständen zu bzw. von Offshoreanlagen, insbesondere Windenergieanlagen, mittels eines Schiffs.The The invention relates to a method for the removal or disposal of objects to or from offshore installations, in particular wind turbines, by means of of a ship.

Beispielsweise bei der Reparatur und Wartung von Offshoreanlagen, insbesondere Windenergieanlagen, sind häufig sperrige und schwere Komponenten auszutauschen, beispielsweise das Getriebe, Generatoren, Flügel, Transformatoren, Hauptwellen, Hauptlager, Drehantriebe, Schaltschränke, Kabelbündel, Naben, Schmierstoffbehälter usw. Offshoreanlagen sind zu diesem Zweck mit einem Kran versehen, der über ein Zugseil die Komponenten an Bord eines Schiffs absetzt bzw. von diesem aufnimmt.For example in the repair and maintenance of offshore installations, in particular Wind turbines are frequent to replace bulky and heavy components, such as the Gearboxes, generators, wings, Transformers, main shafts, main bearings, rotary actuators, control cabinets, cable bundles, hubs, lubricant reservoir etc. Offshore installations are equipped with a crane for this purpose, the over a traction cable drops the components aboard a ship or from this takes up.

Dies ist jedoch dann nicht möglich, wenn der Wellengang erheblich ist: Bei einer Auf- und Abbewegung des Schiffs können die Komponenten nicht sicher auf das Deck des Schiffs aufgesetzt bzw. von diesem abgehoben werden.This but then it is not possible when the swell is significant: During an up and down movement of the ship the components are not securely placed on the deck of the ship or be lifted from this.

Aus der GB 2 012 238 A ist es bekannt, einen aus dem Wasser zu hebenden, schwimmenden Gegenstand in ein Aufnahmeelement einzubringen und mit dem Aufnahmeelement aus dem Wasser zu heben. Die AT 310 994 B offenbart eine bewegungsausgleichende Windeneinrichtung, die zum Verbringen eines Gegenstands auf eine Offshore-Anlage geeignet ist. Die DE 100 45 911 zeigt ein Netz, dass zum Bergen eines Unterwasserfahrzeugs dient.From the GB 2 012 238 A It is known to introduce a floating object to be lifted out of the water into a receiving element and to lift it out of the water with the receiving element. The AT 310 994 B discloses a motion compensating winch device suitable for transferring an item to an offshore facility. The DE 100 45 911 shows a network that serves to recover an underwater vehicle.

Der Erfindung liegt damit die Aufgabe zugrunde, ein Verfahren zu schaffen, mit dem es möglich ist, Gegenstände zu einer Offshoreanlage, insbesondere auszutauschende Komponenten einer Windenergieanlage, auch bei starkem Wellengang verbringen bzw. von dieser aufnehmen zu können.Of the Invention is therefore an object of the invention to provide a method with which it is possible is, objects to an offshore installation, in particular components to be replaced a wind turbine, even in heavy waves spend or to be able to record from this.

Erfindungsgemäß wird diese Aufgabe gelöst durch die Merkmale des Anspruchs 1, der Unteranspruch gibt eine bevorzugte Ausgestaltung an.According to the invention this Task solved by the features of claim 1, the dependent claim is a preferred Design on.

Das hier vorgeschlagene Verfahren hat den Vorteil, dass ein Austausch der Komponenten einer Windenergieanlage unverzüglich, also auch bei starkem Wind und damit verbundenem starken Wellengang geschehen kann. Die Windenergieanlage wird so erheblich schneller wieder betriebsbereit.The The method proposed here has the advantage that an exchange the components of a wind turbine immediately, so even with strong Wind and the associated strong swell can happen. The Wind turbine will be operational much faster.

Die Erfindung wird anhand einer Zeichnung erläutert. Dabei zeigt die einzige Figur eine Windenergieanlage, das Aufnahmesystem und zwei Schiffe.The The invention will be explained with reference to a drawing. The only one shows Figure a wind turbine, the recording system and two ships.

Die Windenergieanlage 12 ist mit einem Kran versehen, an dessen Zugseil ein abzusetzender Gegenstand hängt. Auf dem Wasser oder unter dem Wasser schwimmt ein Netz 16, in das der wasserdicht verpackte Gegenstand 10 abgesetzt wird. Das Netz 16 wird jetzt mit dem sich darin befindlichen Gegenstand von dem Schiff 14 an Land geschleppt, ohne dass es einer besonderen Ausgestaltung des Schiffs 14 bedarf.The wind turbine 12 is provided with a crane, on the haul rope an object to be dropped hangs. On the water or under the water floats a net 16 , in which the waterproof packed object 10 is discontinued. The network 16 will now be with the item in it from the ship 14 hauled ashore without giving it a special design of the ship 14 requirement.

Entsprechend wird bei dem Verbringen eines Gegenstands in die Windenergieanlage verfahren: Die in die Windenergieanlage zu verbringende Komponente wird – wiederum wasserdicht verpackt – in das Netz 16 eingebracht und mit dem Schiff 14 an den Ort der Windenergieanlage geschleppt (alternativ kann die Komponente auch an Bord des Schiffs 14 zu der Windenergieanlage verbracht und erst dort in das Netz 16 eingebracht werden). Das Zugseil 18 wird sodann mit erheblicher Lose abgelassen, der Gegenstand 10 wird aufgenommen. Der Wellengang ist dabei unschädlich, eine Beschädigung der Komponente durch die Wasseroberfläche ist nicht zu befürchten.Accordingly, when an object is moved into the wind energy plant, the component to be transferred to the wind energy plant is - again packaged watertight - into the network 16 brought in and with the ship 14 towed to the location of the wind turbine (alternatively, the component can also aboard the ship 14 spent to the wind turbine and only there in the net 16 be introduced). The rope 18 is then drained off with considerable lots, the object 10 will be recorded. The swell is harmless, damage to the component through the water surface is not to be feared.

Das Netz 16 kann auch zwischen zwei Schiffen 14 mit oder ohne besonderen Bojen aufgehängt sein.The network 16 can also be between two ships 14 be hung with or without special buoys.

Das Netz 16 kann auch mit dessen Stabilisierung bewirkenden Schwerkraftkörpern versehen sein.The network 16 may also be provided with the stabilization causing gravity bodies.

Claims (2)

Verfahren zum Verbringen oder Entsorgen von Gegenständen (10) zu oder von Offshoreanlagen (12), insbesondere Windenergieanlagen, mittels eines Schiffs (14), mit den folgenden Schritten: bei dem Verbringen: wasserdichtes Verpacken des Gegenstands (10), Einbringen des Gegenstands (10) von Land in ein auf dem oder unter Wasser schwimmendes Netz (16), Schleppen des Netzes (16) zur Offshore-Anlage und Aufziehen des Gegenstands (10) mittels des Zugseils (18) eines Krans der Offshore-Anlage, oder bei dem Entsorgen: wasserdichtes Verpacken des Gegenstands (10) in der Offshore-Anlage, Absetzen des Gegenstands (10) mittels des Zugseils (18) eines Krans der Offshore-Anlage (12) in ein auf dem oder unter Wasser schwimmendes Netz (16), Schleppen des Netzes (16) an Land und Entnehmen des Gegenstands (10) aus dem Netz (16).Method of transporting or disposing of objects ( 10 ) to or from offshore installations ( 12 ), in particular wind turbines, by means of a ship ( 14 ), comprising the following steps: when placing: waterproof packaging of the article ( 10 ), Introduction of the article ( 10 ) from land to a net floating on or under water ( 16 ), Towing the net ( 16 ) to the offshore installation and mounting the object ( 10 ) by means of the pull rope ( 18 ) of a crane of the offshore installation, or on disposal: watertight packaging of the object ( 10 ) in the offshore installation, discontinuation of the object ( 10 ) by means of the pull rope ( 18 ) of a crane of the offshore facility ( 12 ) into a net floating on or under water ( 16 ), Towing the net ( 16 ) on land and removal of the object ( 10 ) from the network ( 16 ). Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das Netz (16) mit Stabilisierungsbojen (20) und/oder Schwerkraftkörpern versehen ist.Method according to claim 1, characterized in that the network ( 16 ) with stabilizing buoys ( 20 ) and / or gravity bodies is provided.
DE102004024257A 2004-05-15 2004-05-15 System for transferring heavy loads to and from offshore installation using a floating mat between ship and installation and using winches Expired - Fee Related DE102004024257B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102004024257A DE102004024257B4 (en) 2004-05-15 2004-05-15 System for transferring heavy loads to and from offshore installation using a floating mat between ship and installation and using winches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004024257A DE102004024257B4 (en) 2004-05-15 2004-05-15 System for transferring heavy loads to and from offshore installation using a floating mat between ship and installation and using winches

Publications (2)

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DE102004024257A1 DE102004024257A1 (en) 2005-12-22
DE102004024257B4 true DE102004024257B4 (en) 2006-08-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2907419B1 (en) * 2006-10-20 2009-01-09 Nenuphar Sarl FLOATER NETWORK, PARTICULARLY FOR WIND TURBINES AND / OR HYDROLIENNES ON MARINE SITES OF SIGNIFICANT DEPTH.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963179A (en) * 1959-03-13 1960-12-06 Jersey Prod Res Co Marine transfer assembly
AT310994B (en) * 1970-05-07 1973-10-25 Byron Jackson Inc Movement compensating winch device
GB2012238A (en) * 1978-01-06 1979-07-25 Blehr & Tenvig As Marine pick-up
DE10045911A1 (en) * 2000-09-16 2002-04-04 Stn Atlas Elektronik Gmbh Device for recovering an underwater vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2963179A (en) * 1959-03-13 1960-12-06 Jersey Prod Res Co Marine transfer assembly
AT310994B (en) * 1970-05-07 1973-10-25 Byron Jackson Inc Movement compensating winch device
GB2012238A (en) * 1978-01-06 1979-07-25 Blehr & Tenvig As Marine pick-up
DE10045911A1 (en) * 2000-09-16 2002-04-04 Stn Atlas Elektronik Gmbh Device for recovering an underwater vehicle

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