WO2023182564A1 - Stoppeur de chaîne de chaumard pour système d'amarrage de structure en mer - Google Patents

Stoppeur de chaîne de chaumard pour système d'amarrage de structure en mer Download PDF

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Publication number
WO2023182564A1
WO2023182564A1 PCT/KR2022/005172 KR2022005172W WO2023182564A1 WO 2023182564 A1 WO2023182564 A1 WO 2023182564A1 KR 2022005172 W KR2022005172 W KR 2022005172W WO 2023182564 A1 WO2023182564 A1 WO 2023182564A1
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WO
WIPO (PCT)
Prior art keywords
fairlead
fairlead chain
chain
offshore structure
arm
Prior art date
Application number
PCT/KR2022/005172
Other languages
English (en)
Korean (ko)
Inventor
이강수
성홍근
박병재
김장진
김현국
손광일
박윤용
Original Assignee
한국해양과학기술원
주식회사 콤스
주식회사 디에이취엠씨
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 한국해양과학기술원, 주식회사 콤스, 주식회사 디에이취엠씨 filed Critical 한국해양과학기술원
Priority to GBGB2400281.8A priority Critical patent/GB202400281D0/en
Publication of WO2023182564A1 publication Critical patent/WO2023182564A1/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
    • B63B21/10—Fairleads
    • 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
    • B63B21/18—Stoppers for anchor chains

Definitions

  • the present invention relates to a mooring system for marine structures, and more specifically, to control the two-way flow of the fairlead chain leading from the marine structure to the water, so that not only can the mooring tension of the marine structure be smoothly adjusted in general, but also the fairlead chain can be used in emergency situations.
  • This relates to a fairlead chain stopper for offshore structure mooring systems that allows for smooth chain disconnection.
  • Marine structures such as offshore wind turbines, are affected by waves and currents as they are located at sea.
  • various 'mooring devices' or 'mooring systems' such as those disclosed in Korean Patent Publication No. 10-2014-0126022 are used to fix marine structures to a point on the sea.
  • the chain more specifically the fairlead chain, that connects from the marine structure on the water to the water is connected to a 'chain stopper' or a 'pulley with a stopper', and in the connected state, it can be pulled in one direction and tensioned as it flows.
  • the mooring tension of the marine structure can be adjusted, so that the mooring of the marine structure can be carried out stably.
  • the chain stopper or pulley equipped with a stopper applied to the conventional offshore structure mooring system only controlled the flow of the fairlead chain in one direction, for example, only capable of pulling the fairlead chain from underwater to the water, making it inconvenient to adjust the mooring tension of marine structures. Not only that, but especially when evacuation of marine structures is required due to emergency situations such as typhoons, it is not easy to disconnect the fairlead chain without the support of a large fleet, making rapid response difficult.
  • Patent Document 1 Republic of Korea Patent Publication No. 10-2014-0126022
  • the present invention was proposed to solve the problems of the prior art as described above.
  • By regulating the two-way flow of the fairlead chain from the marine structure to the underwater not only can the mooring tension of the marine structure be smoothly adjusted in everyday life, but also in emergency situations.
  • the purpose is to provide a fairlead chain stopper for the offshore structure mooring system that allows smooth disconnection of the fairlead chain.
  • a body installed on an offshore structure to support a portion of the fairlead chain; an arm diagonally connected to the body to support another portion of the fairlead chain extending from the body, and having a pair of support blocks with one side inclined between both sides arranged at intervals back and forth; It is rotatably disposed on the arm at intervals back and forth, and as the rod of the cylinder rotates forward and backward within a certain angle range, one of the arms contacts the inclined portion of any one of the support blocks to form the pair.
  • a pair of movable members that control the forward and backward flow of the lead chain; and a wireless controller disposed on one of the body and the arm to control the operation of the movable member according to a remote signal input from the outside.
  • the fairlead chain stopper for an offshore structure mooring system includes a pair of movable members disposed at intervals front and rear on the arm; and a wireless controller that controls the operation of the movable member according to a remote signal.
  • the operation of the movable member under the control of the wireless controller can control the flow of the fairlead chain in both directions, more specifically in the forward and backward directions. It is easy to adjust the mooring tension of marine structures, so that the mooring status of marine structures can be maintained stably, and in emergency situations, the fairlead chain can be easily disconnected, allowing smooth evacuation of marine structures.
  • the fairlead chain stopper for the mooring system for marine structures may further include a pulling member connected to each movable member, and the movable member can be operated by pulling the pulling member, so that the wireless controller may be abnormal.
  • two-way flow control of the fairlead chain can be smooth.
  • Figure 1 is a perspective view showing the external appearance of a fairlead chain stopper for an offshore structure mooring system according to the present invention.
  • Figure 2 is an exemplary diagram showing the fairlead chain stopper for an offshore structure mooring system according to the present invention mounted on an offshore structure.
  • Figure 3 is an exemplary diagram showing one-directional flow of the fairlead chain in the fairlead chain stopper for the offshore structure mooring system according to the present invention.
  • Figure 4 is an exemplary diagram showing the flow of the fairlead chain in different directions in the fairlead chain stopper for the offshore structure mooring system according to the present invention.
  • Figure 5 is an exemplary diagram showing the rotation of the body in the fairlead chain stopper for an offshore structure mooring system according to the present invention.
  • Figure 6 is an exemplary diagram showing the rotation of the arm in the fairlead chain stopper for the offshore structure mooring system according to the present invention.
  • Figure 7 is an exemplary diagram showing the mooring of an offshore structure through an offshore structure mooring system to which a fairlead chain stopper for an offshore structure mooring system according to the present invention is applied.
  • the fairlead chain stopper (A) for an offshore structure mooring system includes a body (10); cancer (20); Movable member (30); and a wireless controller 40.
  • the body 10 of the present invention is installed on the marine structure (S), more specifically the bollard forming the marine structure (S), and supports a portion of the fairlead chain 110.
  • the body 10 includes a wheel 11 that rotates forward and backward according to the flow direction of the fairlead chain 110, so that the wheel 11 moves the front and rear direction of the fairlead chain 110 (the longitudinal direction of the fairlead chain). ) Flow can be achieved stably.
  • the wheel 11 is disposed between circular support plates 11a facing each other at intervals on the left and right, and includes at least one support member 11b with a protrusion (not shown) radially formed along the circumference of the center. As the protruding portion of is caught by the fairlead chain 110, slipping and twisting of the fairlead chain 110 in the body 10 can be prevented.
  • the body 10 is hinged to the marine structure (S) and rotates forward and backward within a certain angle range about the axis 12 extending in the vertical direction, thereby causing the left and right flow of the fairlead chain 110.
  • the fairlead chain 110 can be stably supported by the body 10.
  • the fairlead chain 110 connected to the body 10 is a part of the marine structure mooring system 100, as shown in FIG. 7, and one end (for example, the upper end) is connected to the outside through the top of the body 10 and is a wire.
  • An anchor that can be connected to the rope 120 and whose other end (for example, the lower end) is located in the water through the arm 20 and the submersible mooring pulley 130, more specifically, the mooring chain 140. It can be connected to the submersible mooring pulley 130 connected to (150) and then connected to the wire rope 120,
  • the mooring tension of the marine structure (S) is adjusted by pulling the wire rope 120 connected to one end or the other end of the fairlead chain 110 using a winch (not shown) of the ship 200 located on the water. This can be done.
  • the arm 20 of the present invention is connected to the body 10 in a diagonal direction and supports another part of the fairlead chain 110 extending from the body 10.
  • the arm 20 has a pair of support blocks 21 with one side inclined between both sides arranged at intervals back and forth, so that either of the movable members 30 moves at an inclined portion of the support block 21.
  • the flow of the fairlead chain 110 may be interrupted.
  • the support block 21 includes an opening (not shown), so that the fairlead chain 110 is inserted into the opening, thereby extending the fairlead chain from one end of the arm 20 adjacent to the body 10 to the other end. Chain 110 may be continued.
  • the arm 20 is hinged to the body 10 and rotates forward and backward within a certain angle range around the axis 22 extending in the horizontal direction, thereby rotating the fairlead chain 110 in the vertical direction.
  • the fairlead chain 110 can be stably supported by the arm 20.
  • the movable member 30 of the present invention is rotatably disposed on the arm 20 at intervals back and forth, and rotates forward and backward within a certain angular range due to the rising and falling of the rod 31a of the cylinder 31, so that it is different from either one.
  • One of them contacts an inclined portion of one of the support blocks 21 to control the flow of the fairlead chain 110.
  • the movable member 30 includes a link 32 rotatably connected between one of the one and the other, so that as one rotates due to the rising and falling of the rod 31a of the cylinder 31, the other one also rotates.
  • the link 32 rotatably connected between one of the one and the other, so that as one rotates due to the rising and falling of the rod 31a of the cylinder 31, the other one also rotates.
  • both one of the movable members 30 and the other can be released from contact with the support block 21.
  • the fairlead chain 110 can freely flow in the longitudinal direction within the body 10 and the arm 20.
  • the initial connection work of the fairlead chain 110 to the fairlead chain stopper (A) for the offshore structure mooring system according to the invention can be easily performed.
  • the fairlead is attached to the fairlead chain stopper (A) for the offshore structure mooring system according to the present invention as described above. This is done artificially only in special cases such as the first connection of the chain 110, but in general situations, at least one of the movable members 30 and the other one contacts the support block 21.
  • the wireless controller 40 of the present invention is disposed on either the body 10 or the arm 20 and controls the operation of the movable member 30 according to a remote signal input from the outside.
  • the wireless controller 40 controls the operation of the movable member 30, and controls the appearance and descent of the rod 31a of the cylinder 31 according to a remote signal, thereby controlling the movement of the rod 31a of the cylinder 31.
  • the wireless controller 40 may be of any conventional structure and method as long as it can control the operation of the movable member 30 according to a remote signal input from a remote location, for example, a communication device of the ship 200 located on the water. As such, a detailed description of the wireless controller 40 will be omitted.
  • the fairlead chain stopper (A) for the offshore structure mooring system may further include a pulling member (not shown in the drawing) connected to each of the movable members 30.
  • the movable member 30 can be rotated by pulling the pulling member, so that either one of the movable members 30 or the other can contact the support block 21. .
  • the pulling member may be of any shape or type as long as it can pull the movable member 30, and for example, it may be a rope.
  • the fairlead chain stopper (A) for the offshore structure mooring system can control the mooring tension of the offshore structure (S) through the two-way flow of the fairlead chain (110). This is explained in detail as follows.
  • the body 10 of the present invention is installed on the marine structure (S) exposed to the water, and a portion of the fairlead chain 110 is inserted into the body 10. is supported by the body 10 and exposed to the upper part of the water surface.
  • the body 10 includes a wheel 11 that rotates forward and backward according to the flow direction of the fairlead chain 110, and the wheel 11 is disposed between circular support plates 11a facing each other at intervals on the left and right.
  • the wheel 11 includes a support member (11b) with a radial protrusion formed along the circumference of the center, so that the front and rear direction of the fairlead chain 110 can be moved stably by the wheel 11, and in particular, the support member (11b) As at least one protrusion of 11b) is caught by the fairlead chain 110, slipping and twisting of the fairlead chain 110 in the body 10 can be prevented.
  • the arm 20 is connected to the body 10, and as the fairlead chain 110 leading from the body 10 is inserted into the arm 20, a part of the fairlead chain 110 leading underwater is connected to the arm 20. ) is supported by.
  • the present invention includes a movable member 30 disposed on the arm 20, and the movable member 30 is formed on the support block 21 by contacting the support block 21 provided on the arm 20.
  • the flow of the fairlead chain 110 passing through the opening can be interrupted, thereby preventing the fairlead chain 110 from being unintentionally separated.
  • the movable members 30 are provided in pairs and arranged at intervals front and rear on the arm 20, and the support blocks 21 of the arm 20 are also provided in pairs and arranged at intervals front and back, so that they are movable. As one of the members 30 contacts one of the support blocks 21, the fairlead chain 110 flows in one direction, for example, from the arm 20 toward the body 10, as shown in FIG.
  • the other movable member 30 is in contact with the other support block 21, so that the fairlead chain 110 can be moved in another direction, for example, from the body 10 to the arm ( Since the flow in the direction facing 20 can be controlled, as a result, the two-way flow of the fairlead chain 110 can be controlled by the movable member 30, so that the mooring tension of the marine structure (S) can be smoothly adjusted.
  • the fairlead chain 110 is quickly withdrawn from the body 10 and the arm 20. In other words, the fairlead chain 110 can be easily disconnected, allowing rapid evacuation of the marine structure (S) in emergency situations such as the occurrence of a typhoon.
  • controlling the operation of the movable member 30 may be cumbersome.
  • the present invention includes a wireless controller 40 that controls the operation of the movable member 30 according to a remote signal input from the outside, and the operation of the movable member 30 is controlled by the wireless controller 40.
  • the inconvenience of controlling the operation of the member 30 can be reduced.
  • the wireless controller 40 controls the operation of the movable member 30 and regulates the appearance and disappearance of the rod 31a of the cylinder 31 according to a remote signal. Since the movable member 30 connected by the link 32 rotates forward and backward, one of the movable members 30 and the other can easily contact one of the support blocks 21 and the other. The hassle associated with controlling the operation of the movable member 30 can be reduced.
  • the fairlead chain stopper (A) for the offshore structure mooring system can control the two-way flow of the fairlead chain 110 even in situations where the wireless controller 40 is abnormal.
  • the present invention may further include a pulling member connected to each of the movable members 30, and the rotation of the movable member 30 connected as the link 32 can be achieved by pulling the pulling member in an abnormal situation of the wireless controller 40. Since this can be achieved, one of the movable members 30 and the other can contact the support block 21, so that the two-way flow of the fairlead chain 110 can be controlled.
  • the present invention regulates the two-way flow of the fairlead chain from the marine structure into the water, so that not only can the mooring tension of the marine structure be smoothly adjusted in everyday life, but it also allows smooth disconnection of the fairlead chain in emergency situations, so that the maritime There is potential for industrial use in manufacturing fairlead chain stoppers for structural mooring systems.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

La présente invention concerne un stoppeur de chaîne de chaumard pour un système d'amarrage de structure en mer, le stoppeur de chaîne de chaumard comprenant : un corps installé sur une structure en mer pour supporter une partie d'une chaîne de chaumard ; un bras qui est relié au corps dans une direction oblique et supporte une autre partie de la chaîne de chaumard s'étendant à partir du corps, et qui a une paire de blocs de support disposés entre ses deux côtés et avec un intervalle entre eux en va-et-vient, les blocs de support ayant chacun une surface formant une inclinaison ; une paire d'éléments mobiles qui sont agencés de manière rotative avec un intervalle à partir du bras en va-et-vient, dans lequel, en fonction de la rotation vers l'avant ou vers l'arrière dans une certaine plage d'angles en fonction de l'apparition ou de la disparition d'une tige d'un cylindre, l'un quelconque et l'autre des éléments mobiles entre en contact avec la partie inclinée de l'un quelconque des blocs de support de façon à réguler l'écoulement vers l'avant et vers l'arrière de la chaîne de chaumard ; et un dispositif de commande sans fil disposé sur l'un du corps et du bras pour commander le fonctionnement des éléments mobiles en fonction d'une entrée de signal à distance provenant de l'extérieur.
PCT/KR2022/005172 2022-01-10 2022-04-11 Stoppeur de chaîne de chaumard pour système d'amarrage de structure en mer WO2023182564A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GBGB2400281.8A GB202400281D0 (en) 2022-01-10 2022-04-11 Fairlead chain stopper for offshore structure mooring system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220035515A KR102641409B1 (ko) 2022-03-22 2022-03-22 해양구조물 계류시스템용 페어리드 체인 스토퍼
KR10-2022-0035515 2022-03-22

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WO2023182564A1 true WO2023182564A1 (fr) 2023-09-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862821A (en) * 1987-05-12 1989-09-05 John T. Hepburn, Limited Mechanism for tensioning a moving chain
KR20000076254A (ko) * 1997-03-14 2000-12-26 바덱스 엔지니어링, 인코포레이티드 해상 구조물 결박용 수중 자가-정렬식 페어리드 래치 장치
WO2005105563A1 (fr) * 2004-04-30 2005-11-10 Timberland Equipment Limited Appareil sous-marin a guillotine et a chaumard pour ancrage de structures en mer
KR20060089730A (ko) * 2003-10-03 2006-08-09 하이드라리프트 암클라이드 인크. 일체형 체인 스토퍼를 갖는 페어리드
KR20110112997A (ko) * 2010-04-08 2011-10-14 미래산업기계 주식회사 체인스토퍼가 구비된 페어리더

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101514735B1 (ko) 2013-04-22 2015-04-23 김은숙 수상구조물의 계류장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4862821A (en) * 1987-05-12 1989-09-05 John T. Hepburn, Limited Mechanism for tensioning a moving chain
KR20000076254A (ko) * 1997-03-14 2000-12-26 바덱스 엔지니어링, 인코포레이티드 해상 구조물 결박용 수중 자가-정렬식 페어리드 래치 장치
KR20060089730A (ko) * 2003-10-03 2006-08-09 하이드라리프트 암클라이드 인크. 일체형 체인 스토퍼를 갖는 페어리드
WO2005105563A1 (fr) * 2004-04-30 2005-11-10 Timberland Equipment Limited Appareil sous-marin a guillotine et a chaumard pour ancrage de structures en mer
KR20110112997A (ko) * 2010-04-08 2011-10-14 미래산업기계 주식회사 체인스토퍼가 구비된 페어리더

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KR102641409B1 (ko) 2024-02-27
KR20230137721A (ko) 2023-10-05

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