EP2331395B1 - Système de levage - Google Patents

Système de levage Download PDF

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Publication number
EP2331395B1
EP2331395B1 EP09777497A EP09777497A EP2331395B1 EP 2331395 B1 EP2331395 B1 EP 2331395B1 EP 09777497 A EP09777497 A EP 09777497A EP 09777497 A EP09777497 A EP 09777497A EP 2331395 B1 EP2331395 B1 EP 2331395B1
Authority
EP
European Patent Office
Prior art keywords
lifting
watercraft
supporting legs
locking
ship
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
EP09777497A
Other languages
German (de)
English (en)
Other versions
EP2331395A2 (fr
Inventor
Henning Von Wedel
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.)
Wartsila Ship Design Germany GmbH
Wartsila Ship Design Germany GmbH
Original Assignee
Wartsila Ship Design Germany GmbH
Wartsila Ship Design Germany GmbH
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 Wartsila Ship Design Germany GmbH, Wartsila Ship Design Germany GmbH filed Critical Wartsila Ship Design Germany GmbH
Priority to PL09777497T priority Critical patent/PL2331395T3/pl
Publication of EP2331395A2 publication Critical patent/EP2331395A2/fr
Application granted granted Critical
Publication of EP2331395B1 publication Critical patent/EP2331395B1/fr
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
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • 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 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/021—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto with relative movement between supporting construction and platform
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
    • 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
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules

Definitions

  • the invention relates to a watercraft, in particular feeder-lifting ship with a lifting system, according to the preamble of claim 1.
  • Hubsysteme comparable type are for example from the publications DE 100 21 163 A1 . DE 2 041 925 A1 . EP 1 795 443 A1 . EP 094 434 A1 or US 6,808,337 B1 . US 4,456,404 known.
  • the DE 2 041 925 A1 shows, for example, a floating, self-lifting platform, but which is equipped with relatively complex rack gears, so that lowering and raising of support legs by means of this form-fitting device runs relatively slowly.
  • This vessel has three support legs which can be lowered and raised by means of pneumatic, hydraulic or mechanical lifting and gripping elements.
  • an upper tank can be raised above the level of the upper water surface and then filled with water, so that higher forces can be applied to the support legs to lower them deeper into the seabed.
  • the invention is therefore an object of the invention to provide watercraft with a lifting system, especially for transport vessels in the manner of feeder helicopters, which can be supported by means of support legs temporarily on the sea or seabed, the lifting system should be designed cost-effective and safe and from Timing a relatively quick positioning at the appropriate marine position as well as a relatively rapid lifting support legs used to allow.
  • a transport ship equipped with such a lifting system also makes it possible to cancel the temporary stationary positioning by means of support legs on the seabed relatively quickly.
  • the lifting system also allows a vessel equipped therewith to be largely independent of and unaffected by the sea, especially during the transfer or takeover of assemblies to and from the stationary offshore facilities.
  • the locking device After the support of the watercraft on the corresponding support legs on the seabed, it allows the locking device to fix the vessel to the support legs at the appropriate height, so that subsequently by means of the lifting device, which is suitably equipped with lifting cylinders, the vessel further raised relative to the support legs can be, so that floating in waves is prevented.
  • the lifting system For temporary stationary positioning of the ship or watercraft on the seabed, the lifting system provides lowerable and liftable support legs, which cooperate with a lowering device and a lifting device.
  • An essential idea of the invention lies in the arrangement of a locking and braking device, which is designed for a frictional engagement with the respective support leg. This is made possible on the one hand via extending in the longitudinal direction of the support leg wings or brake rails.
  • a lifting device is functionally connected with this locking and braking device, which is fixed on the other hand on the hull of the ship. With lowered support legs, this lifting device, which is expediently based on the hydraulic principle, a further lifting of the hull of the ship, so that a floating in a wave is prevented.
  • the locking and braking device is advantageously equipped with brake calipers or brake shoes, which are frictionally with the wings, which are flat iron in a simple manner and mounted offset by 180 ° on opposite sides of the hollow cylindrical support leg, can be brought into engagement.
  • the frictional engagement can optionally be improved by positive contours in the wing or brake rails.
  • Another essential feature of the invention can be seen in the connection of the hollow cylindrical and waterproof support legs with a provided in the lower region of the support leg float, which can also be referred to as flooding and buoyancy.
  • This makes it possible, by simply flooding the support leg and the flood and buoyancy body to allow at the same time controlled braking device, a relatively rapid and largely continuous lowering of the support legs on the destination position.
  • the hollow, watertight support legs with floating bodies can be regarded, which can be flooded and dehydrated by compressed air.
  • the locking and Braking device with which the relative movement of the floating support legs relative to the hull of the ship can be slowed defined until the ship is firmly on the seabed with his support legs.
  • the weight of the support legs is to be such that flooding of the float, which acts as flooding and buoyancy body, in connection with the filling state of the support leg, this floats or drops.
  • the upper area of the float should float in waterless condition just at the water surface.
  • a cone-shaped tip is suitably provided, which allows a better engagement in the seabed.
  • air outlet holes are provided which prevent in the manner of a pressure relief valve that an excessive internal pressure is built up in the float. When emptying the float by means of compressed air these exit holes also ensure that the lower end of the support leg with a conical tip can be relatively easily detached from the seabed.
  • the locking device having a ring body is fixed by means of the frictional engagement between brake calipers or brake shoes on the wings or brake rails of the support legs.
  • the hull of the ship thus depends on the lifting device on the corresponding ring bodies.
  • the appropriately equipped with hydraulic cylinders lifting device can then lift the ship from this position further out of the water until the desired working position for the transfer or takeover of assemblies can be performed regardless of the sea state.
  • the way the hydraulic cylinders have to travel depends on the penetration depth of the support leg into the seabed and on the wave height.
  • the ship must be pulled up so that it does not float in a wave even when discharged, but not so high that the underside of the ship can be damaged by waves.
  • the number of provided on a support leg wings or brake rails can be different and be selected depending on the carrying capacity. In terms of in a simple arrangement and cost savings, two wings and two braking systems, designed for example as double caliper brakes, should be sufficient per support leg.
  • the support legs After reaching the operational position of the ship, the support legs are flooded and lowered to the seabed.
  • the locking and braking device is tightened, so that the ship is set at this height relative to the support legs.
  • the ship is raised via the lifting device with, for example, hydraulic function further up to its working height.
  • the forces of the hydraulic system for example, by lashing chains, rigid hawsers or the like can be taken in this working position.
  • the lashing chains are first released and taken over by the forces of the lifting device.
  • the ship is then slowly lowered by means of the lifting device and let into the water.
  • the support legs are then released hydraulically or by blowing from the ground, for example.
  • the braking device is released, so that the support legs can float largely continuously and completely. In this position, the braking devices are tightened and fixed and the float out in Arretiersrelitel, where they can be hydraulically locked with bolts, for example. This measure secures the support legs with float in a rest position and especially when the ship.
  • An improvement of the braking device can be achieved in that the brake shoes have, for example, about wedge shape, so that with an increase in the load and a greater holding force is generated.
  • the corresponding lifting system therefore allows the combination of hydraulic and hydromechanical lifting mechanism, without the transition from one to the other method of sea state influences is prevented.
  • the lifting system fast and inexpensive, since it uses the buoyancy forces of the hollow cylindrical support legs with floating body, so that even with larger water depths a relatively fast retraction of the support legs is possible in their locked position.
  • a ship 1 is shown in side view with lifting systems 5. It is shown in the length of the ship shortened representation without the central longitudinal region of the ship 1, since in the example, the lifting systems 5 are arranged in the front and aft of the ship 1.
  • the lifting system 5 has a support leg 10 with wings 13 provided on the outside or brake rails.
  • This support leg 10 has a float 11 integrated in the lower area, which continues down the lower part of the support leg 10 with conical tip 35 (see also Fig. 4 ).
  • the lifting system 5 is further characterized by an annular body 23 about the support leg 10, which receives brake calipers 24 and brake shoes in the opposite region. On this annular body 23 is still on both sides, in the example parallel to the midships axis, a lifting device with two lifting cylinders 16 is provided. These lifting cylinders 16 are in the example ( Fig. 4 ) firmly hinged to the hull 20.
  • two lifting systems 5 are provided on the starboard side, one arranged in the fore section 2 and another in the aft section 3 of the ship.
  • the Fig. 2 2 shows a top view of the fore section 2 with lifting systems 5 arranged on the starboard side and on the port side. These lifting systems 5 are connected to one another via cross braces 42 for further stabilization (FIG. Fig. 5 ).
  • FIG. 3 is fragmentary a section in the longitudinal direction of the ship 1 of a lifting system 5 shown.
  • Fig. 4 which shows a lateral plan view of a lifting system 5 in fragmentary representation, are on both sides of the hollow cylindrical support leg 10 wings or brake rails 13 recognizable.
  • annular body 23 takes in this case the locking and braking device 15, which has brake calipers or brake shoes 24 inside.
  • the piston rod of a lifting cylinder 16 and on the other hand, a lashing 26 is attached in the example. Lifting cylinder 16 and lashing 26 are provided on both sides of the ring body 23.
  • the drop-shaped float 11 Fixed to the hull 20 is in the lower region on both sides of the support leg 10 each have a hook for fixing the lashing 26 is provided. In the resting position or driving position, the drop-shaped float 11 is placed in locking saddles 31 fixed to the hull 20, for example via bolts.
  • Fig. 3 is seen in the direction of the ship this blocked by means of bolts 32 and shown locked position, so that even when driving the ship 1 or at sea a secure attachment of the respective lifting system is achieved.
  • the floating body 11 has a larger diameter than the cylindrical support leg 10. Towards the outboard wall of the ship 1, this floating body 11 is slightly flattened so that a smaller distance between the vertical longitudinal axis of the lifting system 5 and the hull 1 is achieved.
  • Fig. 5 is comparable to Fig. 3 shown a Heilanordung in which the support leg 10 of a lifting system 5 is lowered onto or into the seabed 45. In this position, the corresponding bolts 32 are unlocked. Depending on the depth of the vessel 1, this can be lifted from this position on the hydraulic cylinder 16 of the lifting device even further from the water, so that a floating of the ship 1 can be avoided even when the sea is moving. In such a position, the lashing chains 26 can then be fixed relative to the hooks 27 and thus the hull 20, so that the lifting device can be relieved of load.
  • the lifting device Upon completion of a supply process between the ship 1 and an offshore device, not shown, the lifting device is first put into operation with their lifting cylinders, so that the lashing chains 26 can be solved. Subsequently, in the fixed position of the locking and braking device 15 relative to the support legs 10, the lifting cylinder 16 is relieved of power, so that the ship 1 slowly sinks down and is guided. This takes place up to the immersion depth of the hull 20 due to the weight present.
  • the ship 1 thus already floats, but is still supported in and on the seabed 45 by means of its four lifting systems 5, for example.
  • the brake shoes 15 are dissolved in the ring body 23 or are available with a small and controlled force engagement with the wings 13 in conjunction, so that a largely continuous floating of the float 11 together with the support leg 10 is achieved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Earth Drilling (AREA)
  • Ship Loading And Unloading (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Paper (AREA)
  • Eye Examination Apparatus (AREA)
  • Vehicle Body Suspensions (AREA)
  • Jib Cranes (AREA)

Claims (9)

  1. Bâtiment flottant (1), en particulier ponton-grue, avec un système de levage,
    avec des jambes d'appui (10) abaissables et relevables, pour le positionnement stationnaire, au moins temporaire, du bâtiment flottant (1) sur les fonds marins (45) ou au-dessus d'une position déterminée par rapport aux fonds marins,
    avec un dispositif de descente (11, 10) et un dispositif de levage supplémentaire (16, 17) pour les jambes d'appui (10) et le bâtiment flottant (1),
    avec au moins un dispositif (13, 23, 24) d'immobilisation et de freinage pour une prise par adhérence avec la jambe d'appui (10) respective,
    dans lequel le dispositif de levage (16, 17) d'une part est en liaison active avec le dispositif (13, 23, 24) d'immobilisation et de freinage, et
    d'autre part est fixé sur le corps (20) du bâtiment flottant (1) de telle manière que, les jambes d'appui (10) étant descendues, un levage relatif du bâtiment flottant (1) par rapport aux jambes d'appui (10) est possible,
    caractérisé
    en ce que les jambes d'appui (10) comprennent, dans la direction longitudinale, au moins un, et en particulier deux, ailes ou rails de freinage (13) opposés,
    avec lequel ou lesquels le dispositif (23, 24) d'immobilisation et de freinage muni d'au moins une mâchoire de freinage (24) ou de mors de freinage (24) peut être mis en prise par adhérence, et
    en ce que les moyens de descente et levage des jambes d'appui (10) comprennent un dispositif hydromécanique (10, 11).
  2. Bâtiment flottant selon la revendication 1, caractérisé en ce que le dispositif de levage (16, 17) comprend des vérins de levage (16) qui, par l'intermédiaire d'un support (23) en forme d'anneau ou de coque autour de chaque jambe d'appui (10), sont reliés par adhérence et/ou par engagement positif avec le support de la mâchoire de freinage (24) ou des mors de freinage (24).
  3. Bâtiment flottant selon l'une quelconque des revendications 1 à 2,
    caractérisé
    en ce que le dispositif de freinage (15) est conçu avec des freins à double étrier, et en ce que des mors de serrage cunéiformes sont prévus pour augmenter la force de maintien pour les charges élevées.
  4. Bâtiment flottant selon l'une quelconque des revendications 1 à 3, caractérisé en ce que des entretoises transversales (17) en U sont prévues sur le corps (20) du bâtiment flottant (1) pour soutenir le dispositif de levage (16).
  5. Bâtiment flottant selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'à la poupe et à la proue du bâtiment flottant (1), en particulier hors bord, sont prévus deux dispositifs de descente (11, 10) et de levage (16, 17) opposés, qui sont stabilisés mutuellement par une jambe de force (42).
  6. Bâtiment flottant selon l'une quelconque des revendications 1 à 5, caractérisé
    en ce que les jambes d'appui (10) sont réalisées cylindriques creuses et comprennent dans la partie d'extrémité inférieure au moins un corps (11) de flottaison et de poussée, orienté en particulier en forme de goutte dans la direction de déplacement, et
    en ce que les jambes d'appui (10) et les corps de flottaison et de poussée (11) sont réalisés hermétiques à l'eau.
  7. Bâtiment flottant selon l'une quelconque des revendications 1 à 6, caractérisé en ce que des chaînes d'amarrage (26) sont prévues pour soulager le vérin de levage (16) dans la position levée du bâtiment flottant (1).
  8. Bâtiment flottant selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'à l'extrémité inférieure des jambes d'appui (10) est prévue une terminaison ayant une pointe conique (35).
  9. Bâtiment flottant selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'à l'extrémité inférieure des jambes de force (10), des orifices d'éjection (36) sont prévus au-dessous des corps de flottaison et de poussée (11).
EP09777497A 2008-09-17 2009-07-28 Système de levage Not-in-force EP2331395B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09777497T PL2331395T3 (pl) 2008-09-17 2009-07-28 System podnoszący

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008012355U DE202008012355U1 (de) 2008-09-17 2008-09-17 Hubsystem
PCT/EP2009/005469 WO2010031462A2 (fr) 2008-09-17 2009-07-28 Système de levage

Publications (2)

Publication Number Publication Date
EP2331395A2 EP2331395A2 (fr) 2011-06-15
EP2331395B1 true EP2331395B1 (fr) 2012-02-08

Family

ID=40121955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09777497A Not-in-force EP2331395B1 (fr) 2008-09-17 2009-07-28 Système de levage

Country Status (11)

Country Link
US (1) US8596907B2 (fr)
EP (1) EP2331395B1 (fr)
KR (1) KR101323207B1 (fr)
CN (1) CN102271993B (fr)
AT (1) ATE544665T1 (fr)
DE (1) DE202008012355U1 (fr)
DK (1) DK2331395T3 (fr)
HK (1) HK1162421A1 (fr)
HR (1) HRP20120282T1 (fr)
PL (1) PL2331395T3 (fr)
WO (1) WO2010031462A2 (fr)

Cited By (1)

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CN102886655A (zh) * 2012-10-30 2013-01-23 南通润邦海洋工程装备有限公司 一种上、下环梁制作工艺

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DE102011102577B4 (de) * 2011-05-25 2012-09-13 Peter Kelemen Schwimmvorrichtung und Verfahren zum Eindrücken eines Gegenstandes in einen Gewässerboden
CN107288114B (zh) * 2016-03-31 2022-12-09 周俊麟 一种小型海洋平台自升式桩腿的升降方法
DK3255211T3 (en) * 2016-06-10 2019-02-25 Neptun Ship Design Gmbh Jack-bridge structure
CN112081087A (zh) * 2020-09-25 2020-12-15 林利利 一种基于活塞原理的船舶快速提升装置
CN113636026B (zh) * 2020-12-04 2022-05-20 招商局重工（江苏）有限公司 一种半潜式起重拆解平台快速压载系统及其操作方法

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FR2865484B1 (fr) * 2004-01-28 2006-05-19 Technip France Structure de transport, d'installation et de demantelement des elements d'une plate-forme petroliere fixe et procedes de mise en oeuvre d'une telle structure.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102886655A (zh) * 2012-10-30 2013-01-23 南通润邦海洋工程装备有限公司 一种上、下环梁制作工艺
CN102886655B (zh) * 2012-10-30 2014-12-31 南通润邦海洋工程装备有限公司 一种上、下环梁制作工艺

Also Published As

Publication number Publication date
HK1162421A1 (en) 2012-08-31
ATE544665T1 (de) 2012-02-15
WO2010031462A3 (fr) 2010-11-25
KR101323207B1 (ko) 2013-10-30
DE202008012355U1 (de) 2008-12-11
EP2331395A2 (fr) 2011-06-15
DK2331395T3 (da) 2012-05-21
US20110206464A1 (en) 2011-08-25
CN102271993A (zh) 2011-12-07
WO2010031462A2 (fr) 2010-03-25
US8596907B2 (en) 2013-12-03
PL2331395T3 (pl) 2012-06-29
HRP20120282T1 (hr) 2012-04-30
CN102271993B (zh) 2014-08-20
KR20110084874A (ko) 2011-07-26

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