WO2019031838A1 - 탑사이드 결합장치 및 방법 - Google Patents
탑사이드 결합장치 및 방법 Download PDFInfo
- Publication number
- WO2019031838A1 WO2019031838A1 PCT/KR2018/009017 KR2018009017W WO2019031838A1 WO 2019031838 A1 WO2019031838 A1 WO 2019031838A1 KR 2018009017 W KR2018009017 W KR 2018009017W WO 2019031838 A1 WO2019031838 A1 WO 2019031838A1
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- WO
- WIPO (PCT)
- Prior art keywords
- receptor
- stabbing
- lower support
- cone
- support structure
- Prior art date
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Classifications
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- 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
- E02B17/027—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 steel structures
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- 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
-
- 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
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- 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
- E02B2017/0039—Methods for placing the offshore structure
- E02B2017/0043—Placing the offshore structure on a pre-installed foundation structure
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- 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
- E02B2017/0039—Methods for placing the offshore structure
- E02B2017/0047—Methods for placing the offshore structure using a barge
Definitions
- the present invention relates to a coupling device for stably mounting a top side of a marine platform to a lower support structure installed on the sea by a float-over method. Specifically, stable coupling between a stabbing cone and a receptor formed on both structures, So as not to be affected by environmental fluctuations.
- an offshore platform is a structure that can be fixed at a specific point under any environmental conditions, without being connected to the land, and can be classified as a fixed oceanic platform and a floating oceanic platform depending on the fixed method.
- the top side of the marine platform is used as a base, transportation facility and a facility for marine operations.
- mating the process of seating the top side directly on the upper part of the lower support structure is referred to as mating.
- the coupling is difficult due to the influence of various marine environments such as wind, waves and algae.
- a top-side coupling apparatus for coupling a top side of a marine platform to a structure installed at sea
- a lower support structure installed on the sea;
- An upper coupling structure having a top side body and coupled to the lower support structure;
- a barge disposed on the upper coupling structure to move the top side body to be coupled to the lower support structure;
- a controller for controlling the pants so that the upper coupling structure is coupled to the lower support structure, wherein a receptor is formed in one of the lower support structure and the upper coupling structure, and the other is provided with a receptor And the guide ribs and the guide ribs are inserted into the stabbing cones and the receptors, respectively, so that the guide rails for guiding the engagement between the stabbing cones and the receptors are formed.
- a non-magnetic layer is formed on each contact surface of the stabbing cone and the receptor corresponding to the contact area of the stabbing cone and the receptor, and a current is supplied to the guide rib and the guide rail, A changing electromagnet layer can be formed.
- the top side coupling device may further include a power source device for interrupting a current supplied to the electromagnet layer when the guide rib is inserted into the guide rail.
- an edge of the outwardly extending structure is provided on one side of the stabbing cone spaced a certain distance from the site where the stabbing cone and the receptor are coupled,
- the outer periphery of the receptor may be formed in a bent shape.
- the coupling state between the upper coupling structure and the lower supporting structure can be stably maintained.
- a sensor for measuring a distance from the edge to the receptor may be detachably installed at one side of the receptor.
- the topside coupling device may further comprise a signal receiver for receiving the measured distance signal from the sensor such that the rate at which the stabic cone is inserted into the receptor can be controlled by the controller.
- the moving speed of the upper coupling structure due to the pants is lowered immediately before the stabbing cone is inserted into the receptor, thereby preventing the impact between the two structures to ensure stability of the coupling and durability of the structure.
- the senor may be any one of an ultrasonic sensor and an optical sensor.
- the present invention is not limited thereto as long as it can measure the distance between structures.
- At least two guide ribs may be formed, and the two or more ribbings may be arranged side by side on the side surface of the stabbing cone while maintaining a predetermined gap therebetween.
- the present invention includes a method of manufacturing a topside coupling device, the method comprising: (a) preparing a metal plate for manufacturing a stabbing cone formed in the upper coupling structure; (b) forming a guide rib on the metal plate by welding to form a stabbing cone; (c) forming a receptor corresponding to the stabbing cone shape on a lower support structure installed on the sea; (d) cutting the guide rail guiding the insertion of the guide rib into the receptacle.
- the present invention also provides a method of joining a topside body to a marine structure using a topside joining device
- a lower support structure installed on the sea, an upper coupling structure having a top side body and coupled to the lower support structure, pants provided on the upper coupling structure to move the top side body to be coupled to the lower support structure, And a controller for controlling the pants so that the upper coupling structure is coupled to the lower supporting structure, wherein a receptacle is formed in one of the lower support structure and the upper coupling structure, and a stabbing cone inserted and coupled to the receptor is formed
- a top side coupling device in which guide ribs and guide ribs are respectively inserted into the stabbing cones and the receptors to form guide rails for guiding engagement of the stabbing cones and the receptors;
- the controller receiving the sensing signal may include controlling the rate at which the stabbing cone is inserted into the receptor.
- the guide rib formed in the stabbing cone is inserted into the guide rail formed in the receptor in the process of coupling the top side body of the marine platform to the lower support structure by the float- Thereby providing an effect unaffected by shaking such as top and bottom heave, roll, pitch due to various marine environments.
- top-side coupling device when a stabbing cone and a receptor are brought into contact with each other, a magnetic force is applied between the rib and the electromagnet layer so that the top side body is coupled to the receptor And provides an effect of easily adjusting the position.
- FIG. 1 is a schematic diagram of a topside coupling device of a marine platform according to one embodiment of the present invention.
- Figure 2 is a front view of a portion of the top side mating device of Figure 1;
- FIG. 3 is a perspective view of a guide rib and a guide rail of the top-side coupling device of FIG.
- FIG. 4 is a perspective view of a guide rib and a guide rail according to another embodiment of the present invention.
- FIG. 1 schematically illustrates a topside coupling device of a marine platform according to one embodiment of the present invention
- FIG. 2 shows a front view of a portion of the topside coupling device of FIG. 1, 1 shows a perspective view of a guide rib and a guide rail of a top side coupling device.
- a top side coupling apparatus 300 includes a lower support structure 100, an upper coupling structure 200 inserted into the lower support structure 100, A pants 211 for moving the top side body 210 of the coupling structure 200 and a controller (not shown) for controlling the pants 211.
- the lower support structure 100 includes a plurality of fixing members 110 fixed to the seabed, a plurality of legs 120 connected perpendicularly to the fixing member 100, And a receptor 130 is formed on the upper portion of the leg 120 to allow the upper coupling structure 200 to be seated and coupled to the upper portion of the leg 120.
- a leg coupling unit 140 Is installed.
- the fixing member 110 fixed to the sea bed may be provided with a spud can type fixing member, for example, so as to be installed not only in a rocky area but also in a music playing ground or the like, so that structural stability can be achieved.
- the receptacle 130 serves to receive and engage the stabbing cone 220 provided on the upper coupling structure 200.
- the leg coupling unit 140 is configured to engage with the stabbing cone 220, And receives the load of the top side body 210 to support the coupling load.
- the upper coupling structure 200 includes a top side body 210 and a stabbing cone 220 provided below the top side body 210.
- a portion of the stabbing cone 220 protruding toward the receptor 130 is coupled to a receptor 130 formed on an upper portion of the leg 120.
- the stabbing cone 220 moves the top side body 210 toward the receptor 130 by moving the pants 211 provided in the upper binding structure 200 in the vertical direction, (220) is seated on the receptor (130) and inserted.
- the pants 211 is a semi-submerged float provided at the lower portion of the upper coupling structure 200.
- the upper coupling structure 200 mounted on the upper coupling structure 200 sinks to the lower supporting structure 100,
- the lifting movement can be achieved by a ballast tank (not shown) installed therein.
- a guide rib 221 is formed on an outer surface of the stabbing cone 220 and a guide rail 131 is formed on the receptor 130 so that when the stabbing cone 220 and the receptor 130 are engaged, The coupling between the structures can be guided.
- This structure allows the upper coupling structure 200 to be stably coupled to the lower supporting structure 100.
- a top side coupling device 300 includes a receptacle 130 of the lower supporting structure 100 and a stabbing cone 220 of the upper coupling structure 200 Magnetic layers 130a and 220a and electromagnet layers 131b and 221b formed on the nonmagnetic layer 130a and 220b.
- the nonmagnetic layers 130a and 220a are formed on the contact surfaces of the stabbing cone 220 and the receptor 130 corresponding to the portions where the stabbing cone 220 and the receptor 130 contact each other.
- the electromagnet layers 131b and 221b are formed on the guide rails 131 and the guide ribs 221 and the electromagnet layers 131b and 221b are changed into a magnetic body as current is supplied.
- the stabbing cone 220 can be stably coupled between the rib rib 221 and the guide rail 131 by adjusting the coupling position and inserting the stabbing cone 220 into the receptor 130. As a result, 130 so that it is not necessary to supply current any more.
- the topside coupling device may further comprise a power supply device (not shown) capable of supplying or blocking current to the electromagnet layer.
- the top side coupling device 300 according to the preferred embodiment of the present invention further includes an edge 222 provided on the stabbing cone 220.
- the edge 222 is a structure having a shape extending outward from one side of the stabbing cone 220 spaced a predetermined distance from a portion where the stabbing cone 220 is coupled to the receptor 130, And one end 222a is bent so that the outer circumferential portion of the receptor 130 is covered while the cone 220 is coupled to the receptor 130.
- the sensor 150 may be detachably attached to one side of the receptor 130 or one side of the leg 120 separated from the outer circumference of the receptor 130 by a predetermined distance.
- the sensor 150 measures the distance from the receptor 130 to the edge 222 and the sensing signal for the measured distance is transmitted to a signal receiver (not shown) provided in the topside coupling device 300.
- the distance signal received by the signal receiver is input to a controller (not shown) that controls the operation of the pants 211 so that the controller can determine the speed at which the stabbing cone 220 is inserted or seated in the receptor 130 And the shock between the structures 130 and 220 can be alleviated by reducing the moving speed immediately before the engagement between the stabbing cone 220 and the receptor 130 is completed.
- the sensor 150 may be installed at one side of the leg 120 as well as at the center of the inside of the receptor 130. If the distance between the stabbing cone 220 and the receptor 130 can be measured, The position at which the optical fiber 150 is installed can be freely adjusted.
- the top side coupling device 300 according to another embodiment of the present invention further includes guide ribs and guide rails formed in a concavo-convex structure.
- a guide rib 226 having a concave and convex structure is formed on the outer surface of the stabbing cone 220 constituting the top side coupling device 300.
- the guide rib 226 is inserted into the receptor 130,
- the guide rails 136 are formed to be fittable to the guide ribs 226 so as to guide coupling between the receptors 130 and 220.
- An electromagnet layer is formed on the guide rib 226 and the guide rail 136.
- a nonmagnetic layer may be formed on the contact surface between the stabbing cone 220 and the receptor 120 except for the same. So the explanation is omitted.
- the guide rib formed in the stabbing cone is inserted into the guide rail formed in the receptor to induce stable coupling between the stabbing cone and the receptor. This makes it possible to prevent vibrations such as heave, roll and pitch caused by various marine environments from being affected by vibrations.
- the stabbing cone and the receptor are brought into contact with each other, By allowing the attraction force of magnetic force to act between the eve rails, the position where the top side body is coupled to the receptor can be easily adjusted, which can be more effective in the marine platform field.
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Abstract
Description
Claims (10)
- 해상에 설치되는 하부 지지구조물;탑사이드 본체를 구비하고, 상기 하부 지지구조물에 결합되는 상부 결합구조물;상기 상부 결합구조물에 구비되어 상기 탑사이드 본체가 상기 하부 지지구조물에 결합되도록 이동시키는 바지; 및상기 상부 결합구조물이 상기 하부 지지구조물에 결합되도록 바지(barge)를 제어하는 컨트롤러;를 포함하고,상기 하부 지지구조물과 상부 결합구조물 중에서 어느 하나에는 리셉터(receptor)가 형성되고, 다른 하나에는 상기 리셉터에 삽입 결합되는 스태빙 콘(stabbing cone)이 형성되며,상기 스태빙 콘 및 리셉터에는 각각 가이드 리브 및 상기 가이드 리브가 삽입되어 상기 스태빙 콘과 리셉터의 결합을 안내하는 가이드 레일이 형성되는 것을 특징으로 하는 탑사이드 결합장치.
- 제 1 항에 있어서,상기 스태빙 콘과 리셉터의 접촉 부위에 대응되는 스태빙 콘 및 리셉터의 접촉면에는 각각 비자성체 층이 형성되고,상기 가이드 리브와 상기 가이드 레일에는 각각 전류가 공급됨에 따라 자성체로 변화하는 전자석 층이 형성되는 것을 특징으로 하는 탑사이드 결합장치.
- 제 2 항에 있어서,상기 탑사이드 결합장치는,상기 가이드 리브가 상기 가이드 레일에 삽입 시, 상기 전자석 층으로 공급되는 전류를 중단시키는 전원장치를 더 포함하는 것을 특징으로 하는 탑사이드 결합장치.
- 제 1 항에 있어서,상기 스태빙 콘과 리셉터가 결합되는 부위로부터 일정 거리 이격된 스태빙 콘의 일측에는 외측 방향으로 연장된 구조의 엣지(edge)가 구비되고,상기 엣지는 스태빙 콘이 리셉터에 결합 시에 리셉터의 외주부를 감싸도록 절곡된 형상으로 형성되는 것을 특징으로 하는 탑사이드 결합장치.
- 제 4 항에 있어서,상기 리셉터의 일측에는 상기 엣지로부터 상기 리셉터까지의 거리를 측정하는 센서가 탈착 가능하게 설치되는 것을 특징으로 하는 탑사이드 결합장치.
- 제 5 항에 있어서, 상기 탑사이드 결합장치는,상기 스태빙 콘이 리셉터에 삽입되는 속도가 컨트롤러에 의해 제어될 수 있도록 상기 센서로부터 측정된 거리 신호를 수신하는 신호 수신기를 더 포함하는 것을 특징으로 하는 탑사이드 결합장치.
- 제 6 항에 있어서, 상기 센서는,초음파 센서 또는 광센서 중 어느 하나인 것을 특징으로 하는 탑사이드 결합장치.
- 제 1 항에 있어서, 상기 가이드 리브는 적어도 둘 이상 형성되고, 둘 이상의 가이브 리브는 서로 간에 일정한 간격을 유지한 상태로 스태빙 콘의 측면에 나란히 구비되는 것을 특징으로 하는 탑사이드 결합장치.
- 탑사이드 결합장치를 제조하는 방법으로서,(a) 상부 결합구조물에 형성되는 스태빙 콘을 제조하기 위한 금속판을 준비하는 단계;(b) 상기 금속판에 가이드 리브를 용접 가공에 의해 형성하고, 이를 스태빙 콘 형상으로 형성하는 단계;(c) 해상에 설치되는 하부 지지구조물에 상기 스태빙 콘 형상에 대응하는 리셉터를 형성하는 단계;(d) 상기 리셉터에 상기 가이드 리브가 삽입 결합되는 것을 안내하는 가이드 레일을 절삭 가공하는 단계;를 포함하는 것을 특징으로 하는 탑사이드 결합장치 제조방법.
- 탑사이드 결합장치를 이용하여 탑사이드 본체를 해상 구조물에 결합시키는 방법으로서,해상에 설치되는 하부 지지구조물, 탑사이드 본체를 구비하고 상기 하부 지지구조물에 결합되는 상부 결합구조물, 상기 상부 결합구조물에 구비되어 상기 탑사이드 본체가 상기 하부 지지구조물에 결합되도록 이동시키는 바지, 및 상기 상부 결합구조물이 하부 지지구조물에 결합되도록 바지를 제어하는 컨트롤러를 포함하고, 상기 하부 지지구조물과 상부 결합구조물 중에서 어느 하나에는 리셉터가 형성되고, 다른 하나에는 상기 리셉터에 삽입 결합되는 스태빙 콘이 형성되고, 상기 스태빙 콘 및 리셉터에는 각각 가이드 리브 및 상기 가이드 리브가 삽입되어 상기 스태빙 콘과 리셉터의 결합을 안내하는 가이드 레일이 형성되는 탑사이드 결합장치를 준비하는 단계;상기 스태빙 콘으로부터 리셉터까지의 거리를 측정하는 센서를 리셉터의 일측에 탈착 가능하게 설치하는 단계;상기 센서로부터 측정된 거리 신호를 신호 수신기로 수신받는 단계;상기 센싱 신호를 수신한 컨트롤러는 스태빙 콘이 리셉터에 삽입되는 속도를 제어하는 단계;를 포함하는 것을 특징으로 하는 탑사이드 결합장치를 이용하여 탑사이드 본체를 해상 구조물에 결합시키는 방법.
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2017
- 2017-08-10 KR KR1020170101859A patent/KR102009246B1/ko active IP Right Grant
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JPH10266175A (ja) * | 1997-03-25 | 1998-10-06 | Mitsubishi Heavy Ind Ltd | ジャケット構造物の杭との結合方法及び結合構造 |
US20150240439A1 (en) * | 2014-02-23 | 2015-08-27 | China Offshore Oil Engineering Co., Ltd. | Pneumatic Load-Transfer System and Method for Mating an Integrated Deck with a Pre-installed Platform Substructure |
KR20160050777A (ko) * | 2014-10-31 | 2016-05-11 | 대우조선해양 주식회사 | 반잠수식 부유식 생산설비의 탑재방법 |
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