WO2018093071A1 - Appareil destiné à empêcher activement un corps flottant marin de se tordre pendant l'amarrage - Google Patents

Appareil destiné à empêcher activement un corps flottant marin de se tordre pendant l'amarrage Download PDF

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Publication number
WO2018093071A1
WO2018093071A1 PCT/KR2017/012199 KR2017012199W WO2018093071A1 WO 2018093071 A1 WO2018093071 A1 WO 2018093071A1 KR 2017012199 W KR2017012199 W KR 2017012199W WO 2018093071 A1 WO2018093071 A1 WO 2018093071A1
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WO
WIPO (PCT)
Prior art keywords
rope
floating
floating body
winch
speed
Prior art date
Application number
PCT/KR2017/012199
Other languages
English (en)
Korean (ko)
Inventor
이강수
박병재
기민석
김현석
김도엽
Original Assignee
한국해양과학기술원
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 filed Critical 한국해양과학기술원
Publication of WO2018093071A1 publication Critical patent/WO2018093071A1/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
    • B63B21/16—Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
    • 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
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/24—Operating devices
    • B66D5/26—Operating devices pneumatic or hydraulic
    • 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
    • B63B2021/003—Mooring or anchoring equipment, 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 
    • B63B2205/00—Tethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2221/00—Methods and means for joining members or elements
    • B63B2221/08—Methods and means for joining members or elements by means of threaded members, e.g. screws, threaded bolts or nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2231/00—Material used for some parts or elements, or for particular purposes
    • B63B2231/40—Synthetic materials
    • B63B2231/42—Elastomeric materials
    • B63B2231/44—Rubber
    • B63B2231/48—Synthetic rubber, e.g. silicone rubber, Neoprene, polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00—Capstans, winches or hoists
    • B66D2700/03—Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure
    • B66D2700/035—Fluid operated braking devices

Definitions

  • the present invention relates to an apparatus for preventing distortion during mooring of mooring vessels, and more particularly, to an apparatus for actively preventing distortion during mooring of an offshore fluid while controlling the recovery speed of mooring ropes at a set speed.
  • bridges for connecting islands far from land in the sea dolphin-type eyepieces or breakwaters are structures installed at sea and are usually made of reinforced concrete.
  • Such marine structures are used in the production of various marine structures because floating structures floating on the sea surface are very advantageous in terms of city parks, rather than gravity structures that are self-supporting by their own weight.
  • Such a floating structure is floating on the sea surface with a part of the main body submerged in the sea surface, there is a floating space for providing buoyancy to the structure therein is provided with a mooring device to prevent the push by the waves have.
  • Such a conventional floating structure is produced by each unit unit in advance in the land fabrication site near the shore using concrete material, then launched by sea using a crane or the like, gradually increasing the unit units connected to each other Can be built.
  • each floating concrete unit in a dry dock facing the sea then open the dry dock's gate to fill the seawater and launch the unit to the sea to bring these floating concrete unit units to each other. It can also be connected long and build the body as a structure.
  • a floating dock of a large structure may be floated on the sea, each of the floating concrete unit units may be manufactured in the floating dock, and then the floating dock may be submerged to some extent, and the floating concrete unit units may be separated from each other. You can also build long by connecting.
  • the mooring device provided in the conventional floating structure uses a conventional cable or chain, and connects a plurality of cables or chains to the lower portion of the floating structure, and fixes the end of the floating structure to an anchor. It is to prevent the rain caused by the above, such a conventional mooring device is difficult to properly respond to the change in the water level due to the difference between the wave or tidal current generated at sea.
  • one end of the cable or chain is fixed to the lower end of the main body of the floating structure, the other end is fixed to the anchor, so when the sea level is lowered due to the difference between tides, The position is lowered so that the cable or chain is drooped and sag down, the position of the floating structure is changed, and it is difficult to obtain a stable mooring effect.
  • the floating structure rises with the sea level.
  • the tension of the cable or the chain is excessive, and there is a fear of breaking. Therefore, in order to prevent this, when designing a cable, a chain, and an anchor, the margin of overdesign should be greatly overdesigned, so that it is difficult to construct a stable offshore floating structure as well as the rise of the city park.
  • the present invention was created to improve the problems of the prior art as described above, and actively sets the set allowable limit of the tension to be lower than the MLB (Mooring Breaking Limit) so that the distortion limit angle due to weathering is limited. It is an object of the present invention to provide a device for actively preventing warpage during mooring of a marine floating fluid equipped with a controlling function.
  • An apparatus for actively preventing warpage during mooring of an offshore fluid for achieving the above object has a set allowance for a tension acting on a rope connected to the offshore fluid when mooring the offshore fluid at sea.
  • An apparatus for controlling and preventing twisting of the offshore fluid comprising: a floating main body connected to the rope and fixed at sea to provide floating and floating space; A winch installed at an upper portion of the floating body to recover or release the rope from which the rope is fixed to the floating structure at sea; A fairlead installed at a portion of the floating main body and guiding the rope to the winch while penetrating the rope; A braking unit installed at a portion of the floating body in a state where the distance set to the fairlead is spaced and controlling the speed at which the rope passes through the fairlead and the rope is recovered to the winch at a set speed; And a controller installed at a portion of the floating body and connected to the winch and the braking unit to control the operation of the winch and the braking unit, where
  • the braking unit may include: a first braking member installed between the fairlead and the winch at the floating body to control a recovery speed of the rope at a set speed by control of the controller; And a second braking member which is manufactured in the same configuration as the first braking member and installed under the fairlead to control a recovery speed of the rope at a set speed.
  • the first and second braking members may include: a rope holder installed at a portion of the floating body and through which the rope is passed; And a stopper installed at a portion of the rope holder to control a recovery speed of the rope to be recovered.
  • the stopper may include an air tube manufactured to correspond to the inner circumferential surface of the rope holder and installed along the inner circumferential surface of the rope holder to wrap the rope upward; A hydraulic pump installed at an upper portion of the floating body to provide or discharge hydraulic pressure to the air tube under control of the controller; And a hydraulic line connected to each of the hydraulic pump and the air tube through a hole formed in the rope holder to provide a passage through which the hydraulic pressure moves.
  • the rope holder, the engaging piece protruding the length set from both sides to the outer side along the longitudinal direction to be detachably coupled to the floating body and formed with at least one screw hole; And a coupling bolt detachably coupled to a fixing hole formed in the floating body corresponding to the screw hole formed in the coupling piece and the screw hole.
  • the air tube may be manufactured using a synthetic resin.
  • a device for actively preventing warpage at the time of mooring of an offshore fluid is provided with a braking unit in a part of the floating body in order to have a small MBL (Mooring Breaking Limit) when mooring the mooring line at sea.
  • MBL Mooring Breaking Limit
  • FIG. 1 is a perspective view of an apparatus for actively preventing warping during mooring of a marine fluid according to an embodiment of the present invention.
  • 3 is a side view of the anti-twist device.
  • FIG. 4 shows another embodiment of the braking unit.
  • FIG. 1 is a perspective view of an apparatus for actively preventing distortion during mooring of a marine fluid according to an embodiment of the present invention
  • FIG. 2 is a partially enlarged view of the braking unit
  • FIG. 3 is a side view of the anti-twisting device. 4 shows another embodiment of the braking unit.
  • the present invention may include a floating body 100, the winch 200, the fairlead 300, the braking unit 400 and the controller 700.
  • weather vaning means that a ship or a floating structure is directed by a ship in the direction of wind, current, or blue action. The movement to make a turn.
  • the rope 30 can be used by adopting a steel wire or chain chain method of increasing the strength by twisting a plurality of strands of wire as pretzel.
  • the floating body 100 is connected to the rope 30 and can be fixed at the sea while floating to provide space for offshore work.
  • the floating body 100 is very excellent in corrosion resistance, mechanical strength and recyclability, and can be easily and firmly adhered and assembled by heat fusion method, preferably medium density polyethylene (MDPE) or high density polyethylene ( It is made of synthetic resin such as HDPE), which not only simplifies the installation process but also prevents the buoyancy material from being easily damaged by waves or external shocks, which improves the life and safety, and the floating area with the floating body installed on the debris away from the buoyancy material. Marine pollution caused by this can be prevented.
  • MDPE medium density polyethylene
  • HDPE high density polyethylene
  • the winch 200 may be installed at the upper portion of the floating body 100 to recover or loosen the rope 30 for fixing the floating body 100 at sea.
  • the fairlead 300 may be installed at a portion of the floating body 100 and guide the rope 30 to the winch 200 while penetrating the rope 30.
  • the fair lead 320 may be composed of rollers as a facility for preventing the wear of the mooring rope (chock) and the mooring rope is a hole through which the mooring rope exits outboard.
  • the braking unit 400 is installed on a part of the floating body 100 in a state in which the distance set in the fairlead 300 is separated, and the rope 30 penetrates along with the fairlead 300, and the rope 30 is
  • the speed recovered to the winch 200 may be controlled to a set speed.
  • the braking unit 400 may control the recovery speed of the rope 30 recovered through the winch 200 by pressing the rope 30 to a set pressure by the control of the controller 700 at a set speed.
  • the braking unit 400 may include a first braking member 410 and a second braking member 420.
  • the first braking member 410 is installed between the fairlead 300 and the winch 200 in the floating body 100 to control the recovery speed of the rope 30 at a set speed under the control of the controller 700. Can be.
  • the second braking member 420 may be manufactured in the same configuration as the first braking member 410 and installed under the fairlead 300 to control the recovery speed of the rope 30 at a set speed.
  • the first and second braking members 410 and 420 may include a rope holder 500 and a stopper 600.
  • the rope holder 500 may be installed at a portion of the floating body 100 and the rope 30 may pass therethrough.
  • the rope holder 500 may include a coupling piece 510 and a coupling bolt 520.
  • the coupling piece 510 may have a configuration in which at least one screw hole 500 is formed and protrudes a length set outwardly from both sides along the longitudinal direction so as to be detachably coupled to the floating body 100.
  • the coupling bolt 520 may be detachably coupled to the fixing hole 70 formed in the floating body 100 corresponding to the screw hole 50 and the screw hole 50 formed in the coupling piece 510.
  • the rope holder 500 is made to be detachable to the floating body 100 to facilitate the repair or management by easy separation through the removal of the coupling bolt 520 when the failure or wear.
  • the rope holder 500 may be installed on the floating body 100 by a coupling rail and a slide corresponding to the corresponding portions of the floating body 100 and the rope holder 500. It is also possible to remove or install the clamp on the floating main body 100 and to fix the rope holder 500.
  • the stopper 600 may be installed at a portion of the rope holder 500 to control the recovery speed of the rope 30 to be recovered at a set speed.
  • the stopper 600 may include an air tube 610, a hydraulic pump 620, and a hydraulic line 630.
  • the air tube 610 is a component manufactured to correspond to the inner circumferential surface of the rope holder 500 and installed along the inner circumferential surface of the rope holder 500 to surround the rope 30.
  • the air tube 610 may be manufactured using a synthetic resin having excellent elasticity and durability.
  • Synthetic resin used as the material of the air tube 610 is styrene butadiene rubber (SBR), butadiene rubber (BR), ethylene propylene rubber (EPR), polyurethane (PU), polymethyl methacrylate (PMMA), poly4- Vinylphenol (P4VP), polystyrene-butadiene-block (SBS), polyimide (PI), polyurethane (PU), polyacrylonitrile (PAN), polyvinylchloride (PVC), polypropylene (PP), acrylo Nitrile Butadiene Styrene (ABS), Polycarbonate / Acrylonitrile Butadiene Styrene (PC / ABS), Polyethylene (PE), Polyethylene Terephthalate (PET), Polybutylene Terephthalate (PBT), Polyphenylene Sulfide (PPS) ), Polycarbonate (PC), nylon, low density polyethylene (LDPE), high density polyethylene (HDPE), crosslinked polyethylene (XLPE), tetraorthos
  • the air tube 610 may also be manufactured to be detachably attached to the rope holder 500. That is, the air tube 610 may be detachably coupled to the hydraulic line 630 and the screw through the hole formed in the rope holder 500, Velcro to each of the air tube 610 or the rope holder 500.
  • fasteners, magnets, or the like or by forming bolt holes, it is possible to combine using bolts to separate only the air tube 610, thereby enabling simple replacement of damaged or worn air tubes.
  • the hydraulic pump 620 may be installed above the floating body 100 to provide or discharge hydraulic pressure to the air tube 610 under the control of the controller 700.
  • Hydraulic pump 620 is a device for converting the mechanical energy supplied from the external to the pressure energy of the hydraulic system hydraulic fluid, a high pressure is required, so a positive displacement type (positive displacement type) is mainly used.
  • a gear type pressurized by using a gap between two rotating gear teeth a vane type which presses and compresses hydraulic fluid using a vane installed on a rotating shaft, and is perpendicular to a rotating shaft.
  • a rotary piston type that compresses by making the volume in several cylinders installed in parallel smaller in accordance with the rotational direction of the shaft, and a reciprocating type that presses the hydraulic fluid in the cylinder with a piston by converting the rotational motion into a reciprocating motion. piston type).
  • the pushed volume can be divided into a fixed delivery type (fixed delivery type) and a variable delivery type (variable delivery type) that can change the volume during operation.
  • fixed delivery type fixed delivery type
  • variable delivery type variable delivery type
  • the operator actively manipulates the hydraulic pump 620 under the control of the controller 7000 to provide or discharge the hydraulic pressure set in the air tube 610 through the hydraulic line 630 to control the air pressure of the air tube 610. It is possible to control the recovery speed of the rope 30 by tightening or loosening the rope 30 by adjusting.
  • the hydraulic line 630 may be connected to the hydraulic pump 620 and the air tube 610 through holes formed in the rope holder 500 to provide a passage through which the hydraulic pressure moves.
  • the controller 700 is installed on a portion of the floating body 100 and is connected to the winch 200 and the braking unit 400 to control the operation of the winch 200 and the braking unit 400.
  • the present invention may further include an alarm that is installed in a part of the floating main body 100 to inform it when the recovery speed of the mooring rope 30 connected to the floating main body 100 exceeds the set speed.
  • a method of operating a device that actively prevents warping during mooring of an offshore fluid the worker recovers the floating body 100 while recovering the rope 30 by using the winch 200 installed in the floating body 100.
  • the worker recovers the floating body 100 while recovering the rope 30 by using the winch 200 installed in the floating body 100.
  • the controller 700 During mooring, the floating main body 100 can be prevented from being twisted.
  • the operator specifically operates the hydraulic pump under the control of the controller 700 and adjusts the air pressure of the air tube 610 while providing or discharging the set amount of hydraulic pressure to the air tube 610 connected through the hydraulic line.
  • the recovery speed of the rope 30 can be controlled.
  • a braking unit is installed on a part of the floating body to have a small MBL (Mooring Breaking Limit), and a thin rope can be used while controlling the recovery rate of the rope under the control of a controller. This can reduce the cost.

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

Abstract

La présente invention concerne un appareil destiné à empêcher un corps flottant marin de se tordre lorsqu'il est amarré dans l'eau en commandant, dans une limite autorisée définie, la tension qui agit sur les cordes reliées au corps flottant marin, l'appareil comprenant : un corps principal flottant, relié aux cordes, destiné à fournir un espace pour un travail maritime tout en étant fixé et flottant sur l'eau ; des treuils, installés sur la partie supérieure du corps principal flottant, destinés à enrouler ou dérouler dans l'eau la corde qui fixe le corps principal flottant ; des chaumards, chacun étant installé sur une partie du corps principal flottant, pour guider la corde jusqu'au treuil tout en étant traversé par la corde ; des unités de freinage, chacune étant installée sur une partie du corps principal flottant séparée d'une distance définie du chaumard, à travers laquelle, ainsi qu'à travers le chaumard, la corde est passée, et qui commande, à une vitesse définie, la vitesse avec laquelle la corde est réenroulée sur le treuil ; et un dispositif de commande, installé sur une partie du corps principal flottant et relié aux treuils et aux unités de freinage, destiné à en commander les opérations, les unités de freinage commandant, au moyen d'une pression exercée par des forces externes, la vitesse avec laquelle les cordes sont réenroulées au moyen des treuils à une vitesse définie.
PCT/KR2017/012199 2016-11-15 2017-10-31 Appareil destiné à empêcher activement un corps flottant marin de se tordre pendant l'amarrage WO2018093071A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0151958 2016-11-15
KR1020160151958A KR101818175B1 (ko) 2016-11-15 2016-11-15 해상부유체의 계류시 뒤틀림을 능동적으로 방지하는 장치

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WO2018093071A1 true WO2018093071A1 (fr) 2018-05-24

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KR (1) KR101818175B1 (fr)
WO (1) WO2018093071A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114030560A (zh) * 2021-11-05 2022-02-11 盐城海特机械科技有限公司 一种船用锚绞机用线缆导向装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679800A (en) * 1984-10-15 1987-07-14 Hydril Company Hawser chain seal assembly
JP2001055190A (ja) * 1999-08-18 2001-02-27 Nakata Sekkei Kogyo:Kk 非自航船の位置制御装置及びその位置制御方法
JP2008037143A (ja) * 2006-08-01 2008-02-21 Universal Shipbuilding Corp 把駐力試験方法及び装置
KR20120091816A (ko) * 2011-02-10 2012-08-20 미래산업기계 주식회사 부유체의 계류 안정화 시스템 및 이의 제어 방법
KR200476623Y1 (ko) * 2010-06-30 2015-03-16 대우조선해양 주식회사 선박용 와이어 로프의 방청장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679800A (en) * 1984-10-15 1987-07-14 Hydril Company Hawser chain seal assembly
JP2001055190A (ja) * 1999-08-18 2001-02-27 Nakata Sekkei Kogyo:Kk 非自航船の位置制御装置及びその位置制御方法
JP2008037143A (ja) * 2006-08-01 2008-02-21 Universal Shipbuilding Corp 把駐力試験方法及び装置
KR200476623Y1 (ko) * 2010-06-30 2015-03-16 대우조선해양 주식회사 선박용 와이어 로프의 방청장치
KR20120091816A (ko) * 2011-02-10 2012-08-20 미래산업기계 주식회사 부유체의 계류 안정화 시스템 및 이의 제어 방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114030560A (zh) * 2021-11-05 2022-02-11 盐城海特机械科技有限公司 一种船用锚绞机用线缆导向装置

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