CN114411669A - Self-elevating multifunctional ocean platform and operation method thereof - Google Patents
Self-elevating multifunctional ocean platform and operation method thereof Download PDFInfo
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- CN114411669A CN114411669A CN202210152005.0A CN202210152005A CN114411669A CN 114411669 A CN114411669 A CN 114411669A CN 202210152005 A CN202210152005 A CN 202210152005A CN 114411669 A CN114411669 A CN 114411669A
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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
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention provides a self-elevating multifunctional ocean platform and an operation method thereof, wherein the self-elevating multifunctional ocean platform comprises an elevating deck, wherein a plurality of elevating pile slots are formed in the elevating deck, rotating side edges are fixedly arranged on two sides of the elevating deck at the bottom of the elevating pile slots, pile leg elevating sleeves are movably arranged on the opposite sides of the rotating side edges on the two sides through rotating shafts, and the pile leg elevating sleeves are driven by a rotating motor to drive lower pile legs to switch the working modes in the horizontal or vertical direction; the pile leg structure comprises a pile leg lifting sleeve, a pile leg lifting sleeve and a pile leg lifting sleeve.
Description
Technical Field
The invention relates to the technical field of offshore platforms, in particular to a self-elevating multifunctional offshore platform and an operation method thereof.
Background
Among the prior art grant bulletin number is "CN 103981847B" a lift mechanism (the classification number is E02B17/08) of from lift-type wind-powered electricity generation mounting platform, including the platform body, locate lift mechanism on four angles of platform body, lift mechanism includes spud leg, plural fixed bolt mechanism, fixed ring roof beam, plural lift cylinder, removes ring roof beam and plural movable bolt mechanism, the fixed bolt is installed fixed ring roof beam up end, the terminal surface is equipped with lift cylinder in proper order under the fixed ring roof beam, removes ring roof beam and movable bolt mechanism, the spud leg is from last to being equipped with plural bolt hole to equidistant down, fixed bolt mechanism and movable bolt mechanism are just right the bolt hole. The lifting mechanism of the self-elevating wind power installation platform disclosed by the invention adopts hydraulic drive to provide power, so that the pile legs can be inserted into/pulled out of a seabed and the platform can ascend and descend by overcoming the resistance caused by soil, gravel and the like and the gravity of the lifting platform.
Above-mentioned lift-type wind-powered electricity generation mounting platform's elevating system and prior art from lift-type offshore platform adopt the setting of integral type spud leg usually, move or carry out the any stage of seabed fixed at offshore platform, and the spud leg all keeps the vertical state with lift splint, and this kind of vertical spud leg structure causes following problem easily: 1. in the moving process of the ocean platform, the pile legs are generally required to be lifted to a certain height above the sea level, and the weight of the pile legs is large, so that the center of gravity of the whole ocean platform is moved upwards, and the risk of side turning is easy to occur when the ocean platform encounters sea surface storms; 2. if most of the pile legs are submerged below the sea surface and influenced by ocean currents on the sea bottom, the pile legs are easily influenced by undercurrents in different directions in the moving process, so that the moving of an ocean platform is hindered, and meanwhile, the risk of reef touch of the pile legs is increased; 3. the length of the existing pile leg even reaches one or two hundred meters under the influence of the height from the sea surface to the seabed, the pile leg with the length is usually transported to an installation sea area in a segmented mode and integrally installed in a hoisting mode, and a large amount of time, financial resources and manpower are consumed in the process.
Disclosure of Invention
The invention aims to provide a self-elevating multifunctional ocean platform and an operation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a self-elevating multifunctional ocean platform comprises a lifting deck, wherein a plurality of lifting pile slots are formed in the lifting deck, rotating side edges are fixedly arranged on two sides of the lifting deck at the bottoms of the plurality of lifting pile slots, pile leg lifting sleeves are movably arranged on opposite sides of the rotating side edges on two sides through rotating shafts, lower pile legs are movably arranged in the pile leg lifting sleeves through a moving mechanism, and the pile leg lifting sleeves are driven by a rotating motor to drive the lower pile legs to switch the working modes in the horizontal or vertical direction;
an upper pile leg is movably inserted in the lifting pile groove, an upper connecting seat is fixedly arranged at the bottom of the upper pile leg, a lower connecting seat movably matched with the upper connecting seat is fixedly arranged at the upper part of the lower pile leg, threaded holes are formed in the upper connecting seat and the lower connecting seat respectively, and the upper connecting seat and the lower connecting seat are fixedly connected through a threaded connecting pile;
the lower pile leg is internally provided with a buoyancy air bag, the buoyancy air bag is communicated with an air inlet and outlet hole formed in the lower connecting seat through an air drum pipe connected to the lower pile leg, the air inlet and outlet hole formed in the lower connecting seat is communicated with an air charging and discharging hole formed in the threaded connecting pile, and the air charging and discharging hole is communicated with an air pump through a pipeline.
Preferably, the buoyancy air bag is arranged at a gap at one end of the lower pile leg, which is far away from the lower connecting seat.
Preferably, the buoyancy air bags are arranged at the gaps of the whole lower pile leg.
Preferably, the moving mechanism comprises a pair of lifting wheels which are arranged in the pile leg lifting sleeve and used for tightly holding the lower pile leg, the lifting wheels are fixedly arranged on a lifting motor which is arranged in the pile leg lifting sleeve, and the lifting motor rotates to drive the lifting wheels to move so as to drive the lower pile leg to move in a telescopic mode in the pile leg lifting sleeve.
Preferably, a pair of supporting rods are fixedly mounted on the upper connecting seat, a connecting motor is fixedly mounted at one end, far away from the upper connecting seat, of each supporting rod, a driving gear is fixedly mounted on a driving shaft of each connecting motor, and the driving gear is movably meshed with a tooth socket formed in the upper portion of the threaded connecting pile.
An operation method for the self-elevating multifunctional ocean platform comprises the following steps:
the method comprises the following steps: in a floating state, the pile leg lifting sleeve is driven by the driving motor to rotate, so that the lower pile leg inserted into the pile leg lifting sleeve is arranged in a parallel state with the lifting deck, and in the state, the buoyancy of the lower pile leg is increased by inflating the buoyancy airbag;
step two: when the lifting deck moves to a corresponding offshore installation position, operating the rotating motor to work to drive the pile leg lifting sleeve to rotate, so that the lower pile leg is converted into a vertical state from a state parallel to the lifting deck, and when the lower pile leg is in the vertical state, enabling the lower connecting seat of the lower pile leg to enter the lifting pile groove to be abutted and matched with the upper connecting seat through the work of the lifting wheel;
step three: the upper connecting seat and the lower connecting seat are fixed by rotating the threaded connecting pile to enter the threaded hole of the lower connecting seat, the upper pile leg and the lower pile leg are driven by the driving lifting wheel to move downwards to contact with the seabed, the lower pile leg and the seabed are fixed to finish the fixing of the offshore platform, the lifting of a lifting deck can be realized by the rotation of the lifting wheel after the fixing is finished, and meanwhile, the gas in the buoyancy gas bag is released;
step four: when the lifting deck needs to be moved, the process of changing the lower pile leg from the vertical state to the horizontal state can be realized according to the steps from the first step to the three-phase reverse step.
Compared with the prior art, the invention has the beneficial effects that:
the pile leg structure comprises a lower pile leg and a pile leg lifting sleeve, wherein the lower pile leg is arranged on the lower pile leg, and the lower pile leg is connected with the lower pile leg through a connecting rod.
Drawings
FIG. 1 is a schematic view of a prior art elevating deck and leg configuration;
FIG. 2 is a schematic view of the connection of the upper leg to the lower leg of the present invention;
fig. 3 is a schematic view of the lower leg of the present invention being parallel to the lifting deck;
FIG. 4 is a schematic top view of the overall structure of the present invention with the elevating deck in a horizontal position;
FIG. 5 is a schematic diagram of the upper and lower connecting seats of the present invention in a separated state;
FIG. 6 is a schematic diagram of the arrangement positions of the air inlet and outlet holes and the air inlet and outlet holes according to the present invention;
fig. 7 is a schematic view of a leg lift sleeve mounting arrangement of the present invention.
In the figure: the lifting pile comprises a lifting deck 1, a lifting pile groove 2, a rotating side 3, a rotating shaft 4, a pile leg lifting sleeve 5, a lower pile leg 6, an upper pile leg 7, an upper connecting seat 8, a lower connecting seat 9, a threaded connecting pile 10, a buoyancy air bag 11, an air inlet and outlet hole 12, an air charging and discharging hole 13, an air pump 14, a lifting wheel 15, a supporting rod 16, a connecting motor 17, a driving gear 18 and a tooth groove 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1-7, the present invention provides a technical solution:
the first embodiment is as follows:
a self-elevating multifunctional ocean platform comprises a lifting deck 1, wherein a plurality of lifting pile slots 2 are formed in the lifting deck 1, rotating side edges 3 are fixedly arranged on two sides of the lifting deck 1 at the bottoms of the lifting pile slots 2, pile leg lifting sleeves 5 are movably arranged on opposite sides of the rotating side edges 3 on the two sides through rotating shafts 4, lower pile legs 6 are movably arranged in the pile leg lifting sleeves 5 through moving mechanisms, and the pile leg lifting sleeves 5 drive the lower pile legs 6 to switch the working modes in the horizontal or vertical direction under the driving of rotating motors;
an upper pile leg 7 is movably inserted in the lifting pile slot 2, an upper connecting seat 8 is fixedly arranged at the bottom of the upper pile leg 7, a lower connecting seat 9 movably matched with the upper connecting seat 8 is fixedly arranged at the upper part of the lower pile leg 6, threaded holes are respectively formed in the upper connecting seat 8 and the lower connecting seat 9, and the upper connecting seat 8 and the lower connecting seat 9 are fixedly connected through a threaded connecting pile 10;
the lower pile leg 6 is internally provided with a buoyancy air bag 11, the buoyancy air bag 11 is communicated with an air inlet and outlet hole 12 formed in the lower connecting seat 9 through an air blowing pipe connected to the lower pile leg 6, the air inlet and outlet hole 12 formed in the lower connecting seat 9 is communicated with an air charging and discharging hole 13 formed in the threaded connecting pile 10, and the air charging and discharging hole 13 is communicated with an air pump 14 through a pipeline.
In the embodiment, a plurality of lifting pile slots 2 are arranged on a lifting deck 1, upper pile legs 7 are movably inserted in the lifting pile slots 2, rotating side edges 3 are fixedly arranged at two sides of the lifting deck 1 at the bottom of the lifting pile slots 2, a pile leg lifting sleeve 5 is movably arranged at one side opposite to the rotating side edges 3 at two sides through a rotating shaft 4, the rotating shaft 4 and the pile leg lifting sleeve 5 fixedly connected with the rotating shaft 4 are driven to rotate through the rotation of the rotating shaft 4 through the rotation of a rotating motor arranged on the rotating shaft 4, and lower pile legs 6 are driven to rotate horizontally or vertically through the rotation because the lower pile legs 6 are movably inserted in the pile leg lifting sleeve 5, so that the proper shape of the lower pile legs 6 is adjusted according to the working state of the lifting deck 1, when the lifting deck 1 moves to a fixed position, the lower pile legs 6 are adjusted to be in a vertical state, and the upper pile legs 7 and the lower pile legs 6 are fixedly connected through an upper connecting seat 8 and a lower connecting seat 9, at the moment, the upper pile leg 7 and the lower pile leg 6 can be driven to move telescopically together by the moving mechanism arranged in the pile leg lifting sleeve 5, when the bottom of the lower pile leg 6 is fixed on the seabed, the lifting deck 1 can be driven to lift to a position above the sea level to work by the movement of the moving mechanism, when the lifting deck 1 needs to move, the lower pile leg 6 is adjusted to be in a horizontal state, the whole center of the device is reduced, the risk of reef touch is reduced by the horizontal arrangement of the lower pile leg 6, meanwhile, for the pile leg with longer length, the horizontal arrangement does not need to carry out subsection disassembly movement of the pile leg, after the lower pile 6 is converted into a vertical state to quickly fix the lifting deck 1 after the appointed position is reached, the time consumed by lifting is greatly reduced, and meanwhile, the threaded connecting pile 10 is synchronously screwed into the upper connecting seat 8 and the lower connecting seat 9 to fix the upper connecting seat and the lower connecting seat, when the threaded connection pile 10 leaves the lower connecting seat 9, the threaded connection pile and the lower connecting seat are separated, in addition, the air inlet and outlet holes 12 are formed in the lower connecting seat 9, the air pump 14 can finally act on the buoyancy air bag 11 through the matching of the air inlet and outlet holes 12 and the air inlet and outlet holes 13, upward buoyancy is generated through the buoyancy air bag 11, so that the gravity of the lower pile leg 6 is balanced, and the resistance of the lifting deck 1 in the moving process is further reduced.
Example two:
in this embodiment, the buoyancy airbag 11 is disposed at the gap between the lower leg 6 and the end far away from the lower connecting seat 9, and by disposing the buoyancy airbag 11 at the end far away from the lower connecting seat 9, when the lower leg 6 needs to be adjusted from the vertical state to the horizontal state, the buoyancy airbag 11 disposed at this position can provide upward buoyancy at the tail end of the lower leg 6, and further reduce the pressure of the rotating electrical machine, so that the lower leg 6 is adjusted to the horizontal state under the buoyancy effect of the buoyancy airbag 11.
Example three:
in this embodiment, the buoyancy bladder 11 is disposed at the gap of the whole lower leg 6, and by disposing the buoyancy bladder 11 in the whole section, the upward buoyancy can be better provided, and the self-gravity of the lower leg 6 can be better balanced.
Example four:
in this embodiment, moving mechanism includes a pair of lifting wheel 15 of holding down spud leg 6 tightly that sets up in spud leg lift cover 5, lifting wheel 15 fixed mounting is on spud leg lift cover 5 internally mounted's elevator motor, elevator motor rotation drives lifting wheel 15 motion and then drives spud leg 6 down and telescopic motion in spud leg lift cover 5, lifting wheel 15 and lower spud leg 6, go up spud leg 7 and go up connecting seat 8 and lower connecting seat 9 and all effectively mesh, in the rotatory in-process of lifting wheel 15, lifting wheel 15 can effectively hold tightly with last spud leg 7 to adjust the height of lift deck 1.
Example four:
in this embodiment, a pair of support rods 16 is fixedly installed on the upper connecting seat 8, a connecting motor 17 is fixedly installed at one end of each support rod 16 far from the upper connecting seat 8, a driving gear 18 is fixedly installed on a driving shaft of each connecting motor 17, the driving gear 18 is movably engaged with a tooth groove 19 formed in the upper portion of the threaded connecting pile 10, the threaded connecting pile 10 is driven to rotate by rotation of the driving gear 18, the threaded connecting pile 10 rotates to enter or leave a threaded hole formed in the lower connecting seat 9, and then combination or separation of the upper connecting seat 8 and the lower connecting seat 9 is completed.
An operation method for the self-elevating multifunctional ocean platform comprises the following steps:
the method comprises the following steps: in a floating state, the leg lifting sleeve 5 is driven by a driving motor to rotate, so that the lower leg 6 inserted into the leg lifting sleeve is arranged in a parallel state with the lifting deck 1, and in the state, the buoyancy of the lower leg 6 is increased by inflating the buoyancy airbag 11;
step two: when the lifting deck 1 moves to a corresponding offshore installation position, operating a rotating motor to work to drive the pile leg lifting sleeve 5 to rotate, so that the lower pile leg 6 is converted into a vertical state from a state parallel to the lifting deck 1, and when the lower pile leg is in the vertical state, enabling the lower connecting seat 9 of the lower pile leg 6 to enter the lifting pile groove 2 to be abutted and matched with the upper connecting seat 8 through the work of a lifting wheel 15;
step three: the upper connecting seat 8 and the lower connecting seat 9 are fixed by rotating the threaded connecting pile 10 into a threaded hole of the lower connecting seat 9, the upper pile leg 7 and the lower pile leg 6 are driven to move downwards to contact with the seabed by driving the lifting wheel 15, the lower pile leg 6 and the seabed are fixed to finish the fixing of the offshore platform, the lifting of the lifting deck 1 can be realized by the rotation of the lifting wheel 15 after the fixing is finished, and gas in the buoyancy air bag 11 is released;
step four: when the lifting deck 1 needs to be moved, the process of changing the lower pile leg from the vertical state to the horizontal state can be realized according to the steps from one step to three-phase reverse step.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A jack-up multi-functional ocean platform, includes lift deck (1), its characterized in that: a plurality of lifting pile grooves (2) are formed in the lifting deck (1), rotating side edges (3) are fixedly arranged on two sides of the lifting deck (1) at the bottoms of the lifting pile grooves (2), pile leg lifting sleeves (5) are movably arranged on opposite sides of the rotating side edges (3) on the two sides through rotating shafts (4), lower pile legs (6) are movably arranged in the pile leg lifting sleeves (5) through a moving mechanism, and the pile leg lifting sleeves (5) drive the lower pile legs (6) to switch the working modes in the horizontal or vertical direction under the driving of a rotating motor;
an upper pile leg (7) is movably inserted in the lifting pile groove (2), an upper connecting seat (8) is fixedly installed at the bottom of the upper pile leg (7), a lower connecting seat (9) movably matched with the upper connecting seat (8) is fixedly installed at the upper part of the lower pile leg (6), threaded holes are formed in the upper connecting seat (8) and the lower connecting seat (9), and the upper connecting seat (8) is fixedly connected with the lower connecting seat (9) through a threaded connecting pile (10);
be provided with buoyancy gasbag (11) in lower spud leg (6), the business turn over gas pocket (12) intercommunication of seting up on the blast pipe that buoyancy gasbag (11) are connected through lower spud leg (6) and lower connecting seat (9), business turn over gas pocket (12) on lower connecting seat (9) and the inflation and deflation hole (13) intercommunication of seting up in threaded connection stake (10), inflation and deflation hole (13) are through pipeline and air pump (14) intercommunication.
2. The jack-up multi-functional ocean platform of claim 1, wherein: the buoyancy air bags (11) are arranged at the gap of one end, far away from the lower connecting seat (9), of the lower pile leg (6).
3. The jack-up multi-functional ocean platform of claim 1, wherein: the buoyancy air bags (11) are arranged at the gaps of the whole lower pile leg (6).
4. The jack-up multi-functional ocean platform according to claim 2 or 3, wherein: the moving mechanism comprises a pair of lifting wheels (15) which are arranged in the pile leg lifting sleeve (5) and used for tightly holding the pile leg (6) down, the lifting wheels (15) are fixedly installed on a lifting motor which is installed inside the pile leg lifting sleeve (5), and the lifting motor rotates to drive the lifting wheels (15) to move so as to drive the pile leg (6) to move in a telescopic mode in the pile leg lifting sleeve (5).
5. The jack-up multi-functional ocean platform of claim 4, wherein: go up fixed mounting on connecting seat (8) and have a pair of bracing piece (16), bracing piece (16) are kept away from the equal fixed mounting of connecting seat (8) one end and are connected motor (17), equal fixed mounting has drive gear (18) in the drive shaft of connecting motor (17), tooth's socket (19) swing joint that drive gear (18) and threaded connection stake (10) upper portion were seted up.
6. A method of operation for the jack-up multi-function ocean platform of any one of claims 1-5, comprising the steps of:
the method comprises the following steps: in a floating state, the pile leg lifting sleeve (5) is driven by a driving motor to rotate, so that the lower pile leg (6) inserted into the pile leg lifting sleeve is arranged in a parallel state with the lifting deck (1), and in the state, the buoyancy of the lower pile leg (6) is increased by inflating the buoyancy airbag (11);
step two: when the lifting deck (1) moves to a corresponding offshore installation position, operating a rotating motor to work to drive the pile leg lifting sleeve (5) to rotate, so that the lower pile leg (6) is converted into a vertical state from a parallel state with the lifting deck (1), and when the lower pile leg is in the vertical state, working through a lifting wheel (15) to enable a lower connecting seat (9) of the lower pile leg (6) to enter a lifting pile groove (2) to be abutted and matched with an upper connecting seat (8);
step three: the upper connecting seat (8) is fixed with the lower connecting seat (9) by rotating the threaded connecting pile (10) to enable the threaded connecting pile to enter a threaded hole of the lower connecting seat (9), at the moment, the upper pile leg (7) and the lower pile leg (6) are driven to move downwards to contact the seabed by driving the lifting wheel (15), the lower pile leg (6) is fixed with the seabed to finish the fixation of the offshore platform, the lifting of the lifting deck (1) can be realized by the rotation of the lifting wheel (15) after the fixation is finished, and meanwhile, gas in the buoyancy air bag (11) is released;
step four: when the lifting deck (1) needs to be moved, the process of changing the lower pile leg from the vertical state to the horizontal state can be realized according to the steps from one step to three-phase reverse step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152005.0A CN114411669B (en) | 2022-02-18 | 2022-02-18 | Self-elevating multifunctional ocean platform and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210152005.0A CN114411669B (en) | 2022-02-18 | 2022-02-18 | Self-elevating multifunctional ocean platform and operation method thereof |
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| CN114411669A true CN114411669A (en) | 2022-04-29 |
| CN114411669B CN114411669B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210152005.0A Active CN114411669B (en) | 2022-02-18 | 2022-02-18 | Self-elevating multifunctional ocean platform and operation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1030489A1 (en) * | 1981-03-02 | 1983-07-23 | Предприятие П/Я В-8221 | Method of installation of support pillars of self-lifting drilling sea platform |
| CN103410133A (en) * | 2013-08-20 | 2013-11-27 | 中国海洋石油总公司 | Marine installation method of deepwater jacket by using air sac |
| CN205100195U (en) * | 2015-11-09 | 2016-03-23 | 中集海洋工程研究院有限公司 | Platform and immersible pump tower thereof |
| CN105836059A (en) * | 2016-04-28 | 2016-08-10 | 青州市巨龙环保科技有限公司 | Excavating and transporting integrated ship |
| CN108930260A (en) * | 2017-05-23 | 2018-12-04 | 烟台中集来福士海洋工程有限公司 | The installation method of jack-up unit spud leg |
| CN113123313A (en) * | 2021-04-15 | 2021-07-16 | 郑金梅 | Offshore self-elevating ocean engineering drilling platform |
| CN113353202A (en) * | 2020-03-04 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Floating-supporting type installation structure and method for offshore converter station |
-
2022
- 2022-02-18 CN CN202210152005.0A patent/CN114411669B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1030489A1 (en) * | 1981-03-02 | 1983-07-23 | Предприятие П/Я В-8221 | Method of installation of support pillars of self-lifting drilling sea platform |
| CN103410133A (en) * | 2013-08-20 | 2013-11-27 | 中国海洋石油总公司 | Marine installation method of deepwater jacket by using air sac |
| CN205100195U (en) * | 2015-11-09 | 2016-03-23 | 中集海洋工程研究院有限公司 | Platform and immersible pump tower thereof |
| CN105836059A (en) * | 2016-04-28 | 2016-08-10 | 青州市巨龙环保科技有限公司 | Excavating and transporting integrated ship |
| CN108930260A (en) * | 2017-05-23 | 2018-12-04 | 烟台中集来福士海洋工程有限公司 | The installation method of jack-up unit spud leg |
| CN113353202A (en) * | 2020-03-04 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Floating-supporting type installation structure and method for offshore converter station |
| CN113123313A (en) * | 2021-04-15 | 2021-07-16 | 郑金梅 | Offshore self-elevating ocean engineering drilling platform |
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| Publication number | Publication date |
|---|---|
| CN114411669B (en) | 2023-03-24 |
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