WO2023008765A1 - 잭업바지선의 랙앤피니언 타입 잭킹시스템 - Google Patents
잭업바지선의 랙앤피니언 타입 잭킹시스템 Download PDFInfo
- Publication number
- WO2023008765A1 WO2023008765A1 PCT/KR2022/009730 KR2022009730W WO2023008765A1 WO 2023008765 A1 WO2023008765 A1 WO 2023008765A1 KR 2022009730 W KR2022009730 W KR 2022009730W WO 2023008765 A1 WO2023008765 A1 WO 2023008765A1
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- WO
- WIPO (PCT)
- Prior art keywords
- barge
- rack
- jack
- post
- coupled
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 6
- 230000003028 elevating effect Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
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
- E02B17/04—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
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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
- E02B17/021—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
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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
- E02B17/04—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
- E02B17/0818—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with racks actuated by pinions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Definitions
- the present invention relates to a jacking device for jacking and fixing a barge of a jack-up barge by adjusting its position on a post fixed to the seabed, and more particularly, by stably and firmly gripping the surface of the post with respect to the post. It relates to a rack and pinion structure for barge jacking of a jack-up barge, which ensures stability when the platform implements the lifting and lowering operation, and in particular, the structure is simple and economically provided.
- jack-up barges are mainly used to excavate subsea strata in the sea, install structures on the sea, and install offshore wind power generators these days.
- Such a jack-up barge is composed of a barge for arranging work tools and providing a space for workers to perform predetermined tasks, and at least 3 to 4 posts (legs) for floating and supporting the barge on the water.
- the jack-up barge is gripped so that the height can be adjusted up and down on the post (leg).
- the jack-up barge corresponding to the post (leg) is jacked by lifting the barge with respect to the post (leg).
- the jacking device is installed at each corner of the jack-up barge and is configured to be moved and fixed by moving up and down along the longitudinal direction of the post (leg).
- the jacking device moves the barge up and down along the post (leg) to adjust the height, thereby positioning the barge at a desired height from the water surface.
- a conventional jacking device is shown in a drawing of a known publication in Korean Patent Application No. 10-2003-0017319 (Name: Holding device for ball-type elevator for fixing a platform of an elevating barge/2003.03.20.)
- a pair of upper and lower annular guides enclosing a post fixed upright on the bottom of the seabed and guiding the elevating and descending of the platform, and a pair of upper and lower annular guides disposed between the annular guides and being tightened or spread while turning in the annular guides, so that the post In close contact with the outer circumferential surface of the structure having a clamping member for fixing the platform to the post.
- one is integrally formed with the annular guide or fixed to the annular guide;
- the other is a pair of semicircular connecting members pivotally coupled to the annular guide by hinges, a plurality of alveolar parts mounted on each of the connecting members at a predetermined interval and in close contact with the post, and to the annular guide
- the hydraulic cylinder is connected to one end of the pivotally coupled semicircular connecting member and pushes the pivotable connecting member toward the fixed connecting member to bring the alveolar part into close contact with the post.
- the platform is fixed to the post by pushing the connecting member operated by using the hydraulic force of the hydraulic cylinder toward the fixed connecting member to bring the alveolar part into close contact with the post.
- a jack-up barge including a floating barge with an elevating housing formed to; And a rotary pier installed to enable horizontal rotation on the floating barge;
- a marine bridge including a rotary hinge part of a marine bridge that is hinged to the marine bridge housing installed on the upper surface of the rotary pier part and rotated up and down; and an extruded girder installed on the front part of the rotary hinge part of the marine bridge;
- the extruded girder is manufactured to include an inner extruded girder, and a jack-up barge equipped with an offshore bridge that can be extended to the seabed by the rotating hinge of the offshore bridge is described.
- Korean Patent Application No. 10-2013-0060506 (Name: Platform horizontal position confirmation and leveling device of elevating barge for offshore drilling / 2013.05.28.), as is known in the publication, a plurality of posts Check the horizontal position of the platform on a barge having a platform assembled to be movable up and down, a holding device for elevator clamped to the plurality of posts, and an operating cylinder for varying the height of the platform by connecting the rod end, In the device for maintaining the level, a plurality of fluid receiving pipes arranged in parallel with the outer edge of the platform and a plurality of connecting pipes having a head pipe extending vertically from a pair of branch pipes at a predetermined height are adjacent to each other.
- a measuring unit filled with fluid to form a water level of a certain height in the head tube while communicating between the fluid receiving tubes; a sensor unit equipped with a sensor member in a cap assembled to an upper portion of the head tube disposed at each corner of the platform to detect a change in water level in the head tube; and a control unit for confirming a horizontal state of the platform based on the change in water level detected by the sensor unit and vertically operating any one of a plurality of operating cylinders disposed at each corner of the platform to maintain the horizontal state.
- An elevating barge having a platform horizontal position and a horizontal status checking device is described.
- Korean Patent Application No. 10-2013-0005874 name: barge lifting device / 2013.01.18.
- the leg pipe has four rows of fastening holes formed on a circular outer circumferential surface along the longitudinal direction, a pair of first cylinder blocks facing each other are installed around the outer circumferential surface of the leg pipe, and the pair of A pair of second cylinder blocks facing each other are installed between the first cylinder blocks, and each of the first and second cylinder blocks supports a leg pin fastened to the fastening hole of the leg pipe and the leg pin, but has a leg in the center.
- a barge equipped with a hull, a jack house, and a leg pipe
- the upper and lower traverses coupled to the upper and lower portions of the jack house and positioned to surround the upper and lower outer circumferential surfaces of the leg pipe, and the upper and lower traverses connected between the upper and lower traverses
- a lifting and lowering device for a barge composed of a plurality of locking means is disclosed.
- An object of the present invention relates to a jacking device for jacking and fixing a barge of a jack-up barge by adjusting its position on a post fixed to the bottom of the sea, and more particularly, by stably and firmly gripping the surface of the post, It is to provide a rack and pinion structure for barge jacking of a jack-up barge that can be economically provided by ensuring stability when the platform is raised and lowered.
- the rack and pinion type jacking system of the jack-up barge which was devised to achieve the above object, includes a post 10; a platform 20 that is raised or lowered by the post 10; Control means 30 installed on the platform 20 to supply power; Drive means 40 controlled by receiving power from the control means 30 and coupled to the post 10 of one side of the platform 20 to enable the lifting and lowering of the platform 20; It is characterized in that it is composed of.
- a rack gear 11 is formed along the length direction of the post 10 on one side, and a cover is coupled to the outer circumferential surface of the post 10 to avoid the rack gear 11, and the cover It is characterized in that a plurality of partition walls are integrally coupled from the cover to form a skeleton on the outer surface of the cover, and the driving means 40 is coupled using the partition walls.
- a bracket (b) for stably coupling the driving means 40 to the outside of the bulkhead is coupled through bolt fastening, and the driving means 40 is an outer case coupled by the bracket (b) ( 41).
- the driving means 40 includes a crankshaft 42 configured to have three eccentric regions; a connecting rod 43 coupled to each eccentric area of the crankshaft 42; It is characterized in that a cylinder 44 coupled to the connecting rod 43 and having a variable length is included inside the outer case 41.
- a pinion gear (p) engaged with the rack gear (11) of the post (10) is coupled to the end of the crankshaft (42).
- crankshaft 42, the connecting rod 43 and the cylinder 44 have a structure symmetrical with respect to the pinion gear p, so that the driving means 40 is extended.
- the pinion gear p rises along the rack gear 11 or It is characterized by being able to descend.
- the rack and pinion type jacking system of the jack-up barge since the power required for driving is shared by the crankshaft, energy required for driving can be reduced, and even if an abnormality occurs in any one cylinder, normal driving is possible. It is possible, and since only the means (motor, etc.) for power supply of the control means 30 can be replaced according to the size of the platform 20 during the replacement work, the efficiency is economically increased.
- a drive cylinder and a crank structure are applied to the gripping pressure and gear drive of the rack gear formed on the surface of the post and the pinion gear provided on the barge, so that the linear motion generated by the drive cylinder is directly converted into rotational motion.
- the structure and volume are simpler than that of the conventional jacking system using a rack and pinion that drives a motor and a reducer. It has an effect that can be provided economically through reduction.
- FIG. 1 shows a rack and pinion type jacking system for a jack-up barge according to the present invention.
- Figure 2 shows the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention.
- Figure 3 shows another example of the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention.
- FIGS. 4 and 5 show in detail the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention.
- FIG. 6 shows an example in which the outer case of the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention is coupled.
- FIG. 7 shows an inner shape of the driving means of FIG. 6 in which an outer case is removed.
- the present invention relates to a jacking device for jacking and fixing a barge of a jack-up barge by adjusting its position on a post fixed to the seabed, and more particularly, by stably and firmly gripping the surface of the post with respect to the post. It relates to a rack and pinion structure for barge jacking of a jack-up barge, which ensures stability when the platform implements the lifting and lowering operation, and in particular, the structure is simple and economically provided.
- FIG. 1 to 10 are views showing a rack and pinion type jacking system of a jack-up barge according to an embodiment of the present invention.
- 20 is fixed to the post 10, and the platform 20 is raised and lowered along the post 10 to jack the platform 20 to a desired position and height at sea.
- a through hole for passing the post 10 may be formed in the platform 20 .
- FIG. 1 shows a rack and pinion type jacking system for a jack-up barge according to the present invention.
- the rack and pinion type jacking system of the jack-up barge of the present invention includes a plurality of posts 10 standing from the ground (water surface) while having a predetermined height; a platform 20 that is raised or lowered by the post 10; Control means 30 installed on the platform 20 to supply power; Drive means 40 controlled by receiving power from the control means 30 and coupled to the post 10 of one side of the platform 20 to enable the lifting and lowering of the platform 20; It is composed by
- the driving means 40 may refer to FIGS. 2 and 3 of the accompanying drawings.
- Figure 2 shows the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention
- Figure 3 shows another example of the driving means of the rack-and-pinion type jacking system of the jack-up barge according to the present invention.
- the driving means 40 of the present invention is composed of a plurality of stacked structures, so that the structure of each layer receives power from the control means 30 and is controlled so that it rises or falls along the post 10. .
- the driving means 40 may be configured to be extended so that the structure of FIG. 2 is symmetrical.
- FIGS. 4 and 5 show in detail the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention.
- the rack gear 11 is formed on one side of the post 10 along the longitudinal direction of the post 10.
- a cover (not shown) is coupled to the outer circumferential surface of the post 10 avoiding the rack gear 11, and a plurality of partition walls are integrally coupled from the cover to the outer surface of the cover to form a skeleton.
- the driving means 40 is coupled to the cover and the frame.
- a bracket (b) for stably coupling the driving means 40 to the outside of the frame is configured to be coupled by fastening bolts.
- FIG. 6 shows an example in which the outer case of the driving means of the rack and pinion type jacking system of the jack-up barge according to the present invention is coupled
- FIG. 7 shows the inner shape of the driving means of FIG. 6 with the outer case removed.
- the driving means 40 includes an outer case 41 as shown in FIG. 6, and the outer case 41 is integrally or welded to the skeleton as shown in FIG. tightly coupled
- crankshaft 42 configured to have an eccentric area of three areas; a connecting rod 43 coupled to each eccentric area of the crankshaft 42; It is configured to include; a cylinder 44 coupled to the connecting rod 43 and having a variable length.
- the cylinder 44 can be controlled according to the control of the control means 30 so that the crankshaft 42 is driven while the length is varied.
- one end coupled to the control means 30 of the cylinder 44 By combining the blowing ring and the hinge, the cylinder 44 can be configured to operate while having a range of motion by a predetermined angle.
- the coupling relationship between the cylinder 44 and the control means 30 is intended to include all configurations that can be obviously derived by a person skilled in the art at the time of filing of the present invention.
- the configuration of the driving means 40 having an extended length described with reference to FIGS. 2 and 3 is further extended by the configuration of the above-described crankshaft 42 to cylinder 44, that is, six cylinders and It means a configuration that includes two crankshafts.
- a pinion gear p is coupled to one end of the crankshaft 42.
- the pinion gear 42 is symmetrically extended with respect to the pinion gear p. You should be able to understand what the composition is.
- This pinion gear (p) is a gear structure meshed with the rack gear 11 of the post 10, and as the crankshaft 42 driven by the control of the control means 30 is driven, the pinion gear (p ) is rotated to control the lifting and lowering of the driving means 40 by the force that is raised or lowered along the rack gear 11, and finally, the platform 20 can be controlled to raise and lower.
- a plurality of fixing means may be configured on one side of the outer case 41, and the fixing means is based on any one cylinder 44 It consists of two in both directions, and includes a through hole on one side of each member that functions to fix the cylinder 44 through a combination of a pin or a protrusion.
- This fixing means does not fix the rod of the cylinder 44, but fixes the cylinder cover that allows the rod to be received and drawn out, thereby enabling stable fixation of the cylinder as well as normal driving of the structure described above.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Transportation (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
Claims (7)
- 포스트(10)와;상기 포스트(10)에 의해 상승 또는 하강되는 플랫폼(20)과;상기 플랫폼(20) 상에 설치되어 동력을 공급하는 제어수단(30)과;상기 제어수단(30)으로부터 동력을 공급받아서 제어되며, 상기 플랫폼(20) 상의 일측 중 포스트(10)에 결합되어 플랫폼(20)의 상승과 하강 구동이 가능하도록 하는 구동수단(40);을 포함하여 구성되는 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
- 청구항 1에 있어서,상기 포스트(10)는 일측에 랙기어(11)가 포스트(10)의 길이방향을 따라 형성되고,상기 포스트(10)에는 랙기어(11)를 피해 외주면에 커버가 결합되며, 상기 커버의 외면에는 다수의 격벽이 커버로부터 일체로 결합되어 뼈대를 형성하고, 상기 격벽을 이용하여 상기 구동수단(40)이 결합되는 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
- 청구항 2에 있어서,상기 격벽의 외측으로는 구동수단(40)을 안정적으로 결합하기 위한 브라켓(b)이 볼트 체결을 통해 결합되되,상기 구동수단(40)은 상기 브라켓(b)에 의해 결합된 외부케이스(41)를 포함하는 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
- 청구항 3에 있어서,상기 구동수단(40)은,3개 영역의 편심된 영역을 가지도록 구성된 크랭크축(42)과;상기 크랭크축(42)의 편심된 영역마다 결합된 커넥팅로드(43)와;상기 커넥팅로드(43)에 결합되고, 길이 가변이 가능한 실린더(44);가 상기 외부케이스(41) 내측에 포함되어 구성된 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
- 청구항 4에 있어서,상기 크랭크축(42)의 단부에는 포스트(10)의 랙기어(11)에 맞물리는 피니언기어(p)가 결합되는 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
- 청구항 5에 있어서,크랭크축(42), 커넥팅로드(43) 및 실린더(44)는 상기 피니언기어(p)를 기준으로 대칭되는 구조를 가짐으로써, 구동수단(40)을 연장구성하는 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
- 청구항 4에 있어서,상기 크랭크축(42)에 의해 3개의 편심된 영역 각각에 실린더(44)가 결합됨으로써, 어느 1개의 실린더(44)만 구동되어도 피니언기어(p)가 랙기어(11)를 따라 상승 또는 하강할 수 있도록 하는 것을 특징으로 하는, 잭업바지선의 랙앤피니언 타입 잭킹시스템.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202280052385.9A CN117715819A (zh) | 2021-07-26 | 2022-07-06 | 自升式驳船的齿条齿轮式顶升系统 |
EP22849742.6A EP4378813A1 (en) | 2021-07-26 | 2022-07-06 | Rack-and-pinion type jacking system for jack-up barge |
Applications Claiming Priority (2)
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KR1020210097514A KR102310439B1 (ko) | 2021-07-26 | 2021-07-26 | 잭업바지선의 랙앤피니언 타입 잭킹시스템 |
KR10-2021-0097514 | 2021-07-26 |
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WO2023008765A1 true WO2023008765A1 (ko) | 2023-02-02 |
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EP (1) | EP4378813A1 (ko) |
KR (1) | KR102310439B1 (ko) |
CN (1) | CN117715819A (ko) |
WO (1) | WO2023008765A1 (ko) |
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KR102310439B1 (ko) * | 2021-07-26 | 2021-10-08 | 명일잭업해양 주식회사 | 잭업바지선의 랙앤피니언 타입 잭킹시스템 |
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KR20140050162A (ko) | 2012-10-18 | 2014-04-29 | 대우조선해양 주식회사 | 전동공구의 직류 전원 공급장치 |
KR101915957B1 (ko) * | 2018-08-08 | 2018-11-07 | (주)명일정공 | 잭업바지선의 랙앤피니언 타입 잭킹시스템 |
KR20190108465A (ko) * | 2018-03-14 | 2019-09-24 | (주) 백건준설 | 수상부유체 고정 및 승강시스템 |
KR102310439B1 (ko) * | 2021-07-26 | 2021-10-08 | 명일잭업해양 주식회사 | 잭업바지선의 랙앤피니언 타입 잭킹시스템 |
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2021
- 2021-07-26 KR KR1020210097514A patent/KR102310439B1/ko active IP Right Grant
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2022
- 2022-07-06 EP EP22849742.6A patent/EP4378813A1/en active Pending
- 2022-07-06 WO PCT/KR2022/009730 patent/WO2023008765A1/ko active Application Filing
- 2022-07-06 CN CN202280052385.9A patent/CN117715819A/zh active Pending
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KR20130060506A (ko) | 2011-11-30 | 2013-06-10 | 한국산업기술대학교산학협력단 | 차량용 컵홀더 장치 |
KR20140050162A (ko) | 2012-10-18 | 2014-04-29 | 대우조선해양 주식회사 | 전동공구의 직류 전원 공급장치 |
KR20190108465A (ko) * | 2018-03-14 | 2019-09-24 | (주) 백건준설 | 수상부유체 고정 및 승강시스템 |
KR101915957B1 (ko) * | 2018-08-08 | 2018-11-07 | (주)명일정공 | 잭업바지선의 랙앤피니언 타입 잭킹시스템 |
KR102310439B1 (ko) * | 2021-07-26 | 2021-10-08 | 명일잭업해양 주식회사 | 잭업바지선의 랙앤피니언 타입 잭킹시스템 |
Also Published As
Publication number | Publication date |
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EP4378813A1 (en) | 2024-06-05 |
KR102310439B9 (ko) | 2022-01-17 |
CN117715819A (zh) | 2024-03-15 |
KR102310439B1 (ko) | 2021-10-08 |
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