WO2023090516A1 - Dispositif d'ancrage de structure en mer flottante - Google Patents

Dispositif d'ancrage de structure en mer flottante Download PDF

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Publication number
WO2023090516A1
WO2023090516A1 PCT/KR2021/018329 KR2021018329W WO2023090516A1 WO 2023090516 A1 WO2023090516 A1 WO 2023090516A1 KR 2021018329 W KR2021018329 W KR 2021018329W WO 2023090516 A1 WO2023090516 A1 WO 2023090516A1
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WO
WIPO (PCT)
Prior art keywords
pin
leg
movable leg
offshore structure
floating offshore
Prior art date
Application number
PCT/KR2021/018329
Other languages
English (en)
Korean (ko)
Inventor
방도수
Original Assignee
㈜메르센트
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 ㈜메르센트 filed Critical ㈜메르센트
Publication of WO2023090516A1 publication Critical patent/WO2023090516A1/fr

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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
    • B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
    • 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
    • B63B21/24—Anchors
    • B63B21/26—Anchors securing to bed
    • 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

Definitions

  • the present invention relates to a floating offshore structure anchoring device.
  • facilities such as housing pensions and fishing grounds are spaces for people's residence or leisure use, and most of them are structures built on the ground. Since people have lived on land for a long time, there are few cases of development of living and residential spaces for water life such as rivers, lakes, and seas, and the development of new leisure and residential structures is also insufficient compared to land structures.
  • a pension classified as a ground structure is built to have a certain area in a natural space.
  • at least more green area than the size of the pension must be damaged, and external power is supplied indoors to drive various electrical and electronic devices. Since electric poles leading to the poles have to be built in natural spaces, nature and environment are severely damaged. In addition, there was a problem in that it was exposed to external intrusion and could not guarantee use safety due to crime prevention and protection restrictions.
  • An offshore structure for improving these problems is disclosed through Korean Patent Publication No. 10-2005-0077908.
  • the disclosed offshore structure has a problem in that it is difficult to maintain safety due to deterioration of weather such as strong winds and waves than ground structures, and it is difficult to maintain safety because it is floating on water.
  • Korean Patent Registration No. 10-1163730 has disclosed a cruise ship lifting and lowering device that solves these problems.
  • the lifting and lowering device of offshore structures such as cruise ships disclosed allows the leg pipe to be lowered to the seabed to safely anchor the vessel without shaking when anchored in the coastal waters. This was a difficult problem to maintain.
  • Patent Document 1 Korean Patent Publication No. 10-2005-0077908
  • Patent Document 2 Republic of Korea Patent Registration No. 10-1163730
  • the present invention provides a floating offshore structure anchoring device capable of safely staying on the sea despite deteriorating weather conditions or irregularities of the coastal seabed.
  • the present invention is provided with a movable leg capable of lifting ( ⁇ ) to the floating offshore structure; a post fixed to the seabed and formed to detachably support the movable leg; a leg pin protruding from the movable leg; It is provided on the post and provides a floating offshore structure fixing device comprising a; pin fixing portion for accommodating the leg pin.
  • the leg pin may be retractable from the movable leg, and the pin fixing part may include a pin through hole into which the leg pin is inserted.
  • the leg pin extends in a direction crossing the longitudinal direction of the movable leg, and the pin fixing part includes a bracket; and a pin receiving groove penetrating the bracket to accommodate the leg pin, and an upper end of the pin fixing part may be opened so that the leg pin can be accommodated in the pin receiving groove by the lowering of the movable leg. there is.
  • the leg pin extends in a direction crossing the longitudinal direction of the movable leg, and the movable leg is formed to be rotatable around a virtual axis of rotation extending along the longitudinal direction of the movable leg.
  • a pin receiving groove may be formed on one side of the pin fixing part so that the leg pin is inserted by rotation.
  • a wire provided in the floating offshore structure; a moving unit rotatably provided on the movable leg to move the wire; It may further include a hooking part protruding from the post so that the wire moving by rotation is caught on the moving part.
  • the moving unit includes a wire accommodating portion in which a concave portion accommodating the wire is formed; a connecting portion connected to the wire accommodating portion and hinged to the movable leg so that the wire accommodating portion can rotate; and a power transmission unit provided on the movable leg and including a hydraulic cylinder to transmit power to the connection unit through a reciprocating motion.
  • an offshore structure can safely stay on the sea despite deteriorating weather conditions or irregularities of the coastal seabed.
  • FIG. 1 is a schematic diagram schematically showing a floating offshore structure fixing device according to an embodiment of the present invention.
  • FIG. 2 is a view illustrating an example of a coupling structure between a movable leg and a post shown in FIG. 1 .
  • FIG 3 is a view for explaining another example of a coupling structure between a movable leg and a post.
  • FIG. 4 is a view illustrating another example of a coupling structure between a movable leg and a post.
  • 5 to 7 are views schematically showing a structure for fixing a floating offshore structure using a wire according to an embodiment of the present invention.
  • a floating offshore structure fixing device 1 is a jack-up system and a floating offshore structure such as a barge 20 that can float on the sea. It performs the function of lifting and fixing it to the surface of the sea using the same lifting device.
  • Floating offshore structures can be manufactured in various forms.
  • a floating offshore structure including a barge 20 and a platform 10 provided on top of the barge 20 is disclosed.
  • a jack-up system is generally installed on a floating offshore structure and lowers or raises a floating offshore structure by raising or lowering a movable leg (leg 30) formed to move up and down relative to the floating offshore structure.
  • the floating offshore structure descends when the movable leg 30 rises, and rises when the movable leg 30 descends.
  • a movable leg 30 formed to move up and down in the leg through hole 11 of the platform 10 and a leg drive unit 12 provided on the platform 10 to lift the movable leg 30, The jack-up system is initiated.
  • the floating offshore structure fixing device 1 includes a movable leg 30 provided to be able to move up and down on a floating offshore structure, a post 40 supporting the movable leg 30, and a movable leg It includes a leg pin 100 provided in 30 and a pin fixing part 300 provided in post 40.
  • the movable leg 30 extends in one direction and moves in the vertical direction with respect to the platform 10 while being inserted into the leg through hole 11 in the vertical direction, that is, rises and falls.
  • the outer circumferential surface of the movable leg 30 may be in contact with the leg driving unit 12 so as to be raised and strong by the leg driving unit 12 .
  • the movable leg 30 descends, it may be supported by the post 40 while being seated on the upper end of the post 40 .
  • the post 40 extends in one direction and is aligned in the vertical direction.
  • the post 40 is formed to support the movable leg 30 with its lower end positioned on the seabed and upper end positioned above the water surface.
  • the post 40 detachably supports the movable leg 30, for example.
  • the leg pin 100 protrudes from the movable leg 30 so that the post 40 detachably supports the movable leg 30 and extends in a direction crossing the longitudinal direction of the movable leg 30 .
  • the pin fixing part 300 is provided at an upper end of the post 40 to accommodate the leg pin 100 so that the post 40 detachably supports the movable leg 30 .
  • FIG. 2 is a view illustrating an example of a coupling structure between the movable leg 30 and the post 40 shown in FIG. 1 .
  • the leg pin 100 is provided to be withdrawable from the movable leg 30, and for this purpose, a withdrawal unit (not shown) generates power for the withdrawal of the leg pin 100 inside the movable leg 30. ) is provided.
  • a withdrawal unit (not shown) generates power for the withdrawal of the leg pin 100 inside the movable leg 30. ) is provided.
  • These leg pins 100 may be provided singly or may form a pair.
  • leg pins 100 are fixed to the movable leg 30.
  • the leg pin 100 may be formed to have a smaller cross-sectional area as it moves away from the movable leg 30 so as to be forcefully fitted into the pin through holes 311 and 321 to be described later, that is, to be tapered.
  • the leg pin 100 includes a first leg pin 110 and a second leg pin 120 .
  • Each of the movable legs 30 may be in surface contact with the pin fixing part 300 for stable support.
  • the pin fixing part 300 is provided with pin through-holes 311 and 321 into which the leg pin 100 is inserted.
  • the pin fixing part 300 may be formed in a ring shape as shown in FIG. 2, but is not limited thereto.
  • the pin through-holes 311 and 321 extend in the longitudinal direction of the leg pin 100 and, as described above, may be formed so that the leg pin 100 can be forcibly fitted.
  • the pin fixing part 300 includes a first pin fixing part 300 in which a first pin through hole 311 is formed and a second pin fixing part 300 in which a second pin through hole 321 is formed.
  • a leg accommodating space 330 in which the movable leg 30 is accommodated is formed between the first pin fixing part 300 and the second pin fixing part 300, and the first pin fixing part 300 and the second pin fixing part 300 may make surface contact with the first pin peripheral portion 31 and the second leg pin 120, respectively.
  • the first leg pin 110 and the second leg pin 120 maintain a retracted state inside the movable leg 30 when the movable leg 30 descends.
  • the movable leg 30 When the movable leg 30 is accommodated in the leg accommodating space 330 formed between the first pin fixing part 300 and the second pin fixing part 300, it stops descending. Then, the first leg pin 110 and the second leg pin 120 are withdrawn from the movable leg 30 and inserted into the first pin through hole 311 and the second pin through hole 321, respectively. Accordingly, The movable leg 30 and the post 40 are stably coupled.
  • FIG. 3 is a view for explaining another example of a coupling structure between the movable leg 30 and the post 40.
  • the same reference numerals are used for structures identical to those of the above-described embodiment, and detailed description thereof will be omitted.
  • the leg pin 100 is fixed to the movable leg 30 and is not withdrawn.
  • the leg pin 100 extends in a direction crossing the longitudinal direction of the movable leg 30 .
  • the pin fixing parts 410 and 420 include pin receiving grooves 413 and 423 penetrating the brackets 411, 412, 421 and 422 to accommodate the brackets 411, 412, 421 and 422 and the leg pin 100. do. Upper ends of the pin fixing parts 410 and 420 are opened so that the leg pin 100 can be accommodated in the pin receiving grooves 413 and 423 by the lowering of the movable leg 30 . Accordingly, the pin receiving grooves 413 and 423 communicate with the upper regions of the pin fixing parts 410 and 420 .
  • the pin fixing parts 410 and 420 include a first pin fixing part 410 and a second pin fixing part 420 .
  • the first pin fixing part 410 includes a first bracket 411 extending in the longitudinal direction of the leg pin 100 and a second bracket 412 spaced apart from the first bracket 411 . As the first pin fixing part 410 is spaced apart from the first bracket 411 and the second bracket 412, a first pin receiving groove 413 with an open upper end is formed.
  • the second pin fixing part 420 includes a third bracket 421 extending in the longitudinal direction of the leg pin 100 and a fourth bracket 422 spaced apart from the third bracket 421 . As the third bracket 421 and the fourth bracket 422 are spaced apart from each other in the second pin fixing part 420, a second pin receiving groove 423 with an open upper end is formed.
  • first bracket 411 and the third bracket 421 are spaced apart from each other, thereby forming a first leg accommodating space 430
  • second bracket 412 and the fourth bracket 422 are spaced apart from each other.
  • the second leg accommodating space 440 is formed.
  • the single movable leg 30 is simultaneously accommodated in the first leg accommodating space 430 and the second leg accommodating space 440, and the outer circumferential surface of the movable leg 30 is the first bracket 411 and the second bracket 412 ), the third bracket 421 and the fourth bracket 422 are in surface contact, respectively.
  • first leg pin 100 and the second leg pin 100 are fixed to the movable leg 30, they maintain a protruding state when the movable leg 30 descends.
  • first leg pin 100 and the second leg pin 100 are accommodated in the first pin receiving groove 413 and the second pin receiving groove 423 with open tops. Accordingly, the movable leg 30 and the post 40 are stably coupled.
  • FIG. 4 is a view for explaining another example of a coupling structure between the movable leg 30 and the post 40.
  • the leg pin 100 is fixed to the movable leg 30 and is not withdrawn, and the movable leg 30 moves up and down and rotate on its own
  • the leg pin 100 extends in a direction crossing the longitudinal direction of the movable leg 30, and the movable leg 30 rotates around a virtual rotation axis extending along the longitudinal direction of the movable leg 30, that is, , is formed to be able to rotate.
  • Pin receiving grooves 513 and 523 are formed on one side of the pin fixing parts 510 and 520 so that the leg pin 100 is inserted by the rotation of the movable leg 30 .
  • the pin fixing parts 510 and 520 include a first pin fixing part 510 and a second pin fixing part 520 .
  • the first pin fixing part 510 is, for example, a first vertical bracket 511 extending in the longitudinal direction of the post 40 and a first horizontal bracket extending in an axial direction intersecting the longitudinal axis of the post 40 ( 512).
  • a first pin receiving groove 513 is formed between the first vertical bracket 511 and the first horizontal bracket 512 .
  • the first pin fixing part 510 protrudes from the upper end of the post 40 in the longitudinal direction of the post 40, and the first pin receiving groove is recessed in the tangential direction of the rotational surface of the first leg pin 110 ( 513) can be formed.
  • the second pin fixing part 520 is, for example, a second vertical bracket 521 extending in the longitudinal direction of the post 40 and a second horizontal bracket extending in an axial direction crossing the longitudinal axis of the post 40 ( 522).
  • a second pin receiving groove 523 is formed between the second vertical bracket 521 and the second horizontal bracket 522 .
  • the second pin fixing part 520 protrudes from the upper end of the post 40 in the longitudinal direction of the post 40, and is inserted in the tangential direction of the rotational surface of the second leg pin 120.
  • the second pin receiving groove ( 523) can be formed.
  • the direction in which the first pin receiving groove 513 is viewed and the direction in which the second pin receiving groove 523 is viewed are opposite to each other.
  • a leg accommodating space 530 is formed between the first pin fixing part 510 and the second pin fixing part 520 .
  • the first pin fixing part 510 and the second pin fixing part 520 come into contact with the pin peripheral parts 31 and 32 of the movable leg 30 .
  • the cross section of the movable leg 30 may be circular.
  • first leg pin 110 and the second leg pin 120 are fixed to the movable leg 30, they maintain a protruding state when the movable leg 30 descends. At this time, the first leg pin 110 and the second leg pin 120 are located side by side on the first axis L1.
  • the movable leg 30 When the movable leg 30 is accommodated in the leg accommodating space 530, the movable leg 30 has a first leg pin 110 and a second leg pin 120 located parallel to the first axis L1. It rotates to be positioned parallel to the second axis L2 intersecting the axis L1. 4, the movable leg 30 rotates clockwise.
  • the first leg pin 110 and the second leg pin 120 are accommodated in the first pin receiving groove 513 and the second pin receiving groove 523, respectively. Accordingly, the movable leg 30 and the post 40 are stably coupled.
  • FIGS. 5 to 7 are views schematically showing a structure for fixing a floating offshore structure using a wire R1 according to an embodiment of the present invention.
  • a structure for fixing a floating offshore structure using a wire R1 moves the wire R1 and the wire R1 provided in the floating offshore structure.
  • a moving part 600 rotatably provided on the movable leg 30 so as to make the movable leg 30, and a hooking part R2 protruding from the post 40 so that the wire R1 moving by rotation is caught on the moving part 600 includes
  • One end of the wire R1 is connected to the offshore structure, and a circular knot is formed at the other end so that the other end can be caught on the hooking part R2.
  • the movable part 600 is a movable leg connected to the wire accommodating part 610 where the concave part 611 accommodating the wire R1 is formed and the wire accommodating part 610 so that the wire accommodating part 610 can rotate. It is provided on the connecting portion 620 hinged to (30) and the movable leg 30 and includes a power transmission unit 630 including a hydraulic cylinder to transmit power to the connecting portion 620 through reciprocating motion.
  • the hooking portion R2 is provided at the upper end of the post 40 and is formed in a substantially 'L' shape. Accordingly, the ring-shaped knot of the wire R1 may be caught on the hooking portion R2.
  • the power transmission portion 630 is extended to rotate the connecting portion 620 hinged to the movable leg 30 forward. Accordingly, the wire R1 moves forward.
  • the ring-shaped knot of the wire R1 is the hooking part. It is located in front of (R2).
  • the wire R1 is pulled to strengthen the coupling between the offshore structure and the post 40.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

La présente invention concerne un dispositif d'ancrage de structure en mer flottante, et concerne un dispositif d'ancrage de structure en mer flottante comprenant : un pied mobile disposé au niveau d'une structure en mer flottante pour pouvoir monter et descendre ; un montant fixé au fond marin et formé pour supporter de manière amovible le pied mobile ; une broche de pied qui fait saillie à partir du pied mobile ; et une partie de fixation de broche qui est disposée sur le montant et reçoit la broche de pied.
PCT/KR2021/018329 2021-11-18 2021-12-10 Dispositif d'ancrage de structure en mer flottante WO2023090516A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210159619A KR102601484B1 (ko) 2021-11-18 2021-11-18 부유식 해상구조물 고정장치
KR10-2021-0159619 2021-11-18

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WO2023090516A1 true WO2023090516A1 (fr) 2023-05-25

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PCT/KR2021/018329 WO2023090516A1 (fr) 2021-11-18 2021-12-10 Dispositif d'ancrage de structure en mer flottante

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KR (1) KR102601484B1 (fr)
WO (1) WO2023090516A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08134838A (ja) * 1994-11-02 1996-05-28 Molten Corp 浮桟橋用係留杭のための付着物除去装置
EP2146006A1 (fr) * 2008-07-18 2010-01-20 Geosea NV Plate-forme auto-élévatrice en mer
KR20180003014A (ko) * 2016-06-30 2018-01-09 대우조선해양 주식회사 선박의 정박장치
KR101977110B1 (ko) * 2017-06-29 2019-05-13 한국철도기술연구원 부유식 교량 구조
KR20190136846A (ko) * 2018-05-31 2019-12-10 삼성중공업 주식회사 계류 장치 및 상기 계류 장치를 구비한 선박

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050077908A (ko) 2004-01-29 2005-08-04 우숙자 부양구조를 갖는 펜션
KR101163730B1 (ko) 2010-10-12 2012-07-10 박영근 크루즈 선 승하강장치
KR200474540Y1 (ko) * 2013-03-29 2014-09-30 삼성중공업 주식회사 표준 모듈화된 스퍼드캔을 갖는 부유식 구조물
KR101419532B1 (ko) * 2014-06-02 2014-07-14 이계택 바지선의 복합 구동형 잭업장치
KR101652715B1 (ko) * 2014-10-17 2016-09-01 삼성중공업 주식회사 래싱 브릿지 착탈 장치 및 이를 구비한 컨네이너 선박

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08134838A (ja) * 1994-11-02 1996-05-28 Molten Corp 浮桟橋用係留杭のための付着物除去装置
EP2146006A1 (fr) * 2008-07-18 2010-01-20 Geosea NV Plate-forme auto-élévatrice en mer
KR20180003014A (ko) * 2016-06-30 2018-01-09 대우조선해양 주식회사 선박의 정박장치
KR101977110B1 (ko) * 2017-06-29 2019-05-13 한국철도기술연구원 부유식 교량 구조
KR20190136846A (ko) * 2018-05-31 2019-12-10 삼성중공업 주식회사 계류 장치 및 상기 계류 장치를 구비한 선박

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KR102601484B1 (ko) 2023-11-14
KR20230072917A (ko) 2023-05-25

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