CN112900402A - Jacket type offshore high-altitude installation operation platform and positioning method thereof - Google Patents
Jacket type offshore high-altitude installation operation platform and positioning method thereof Download PDFInfo
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- CN112900402A CN112900402A CN202110162796.0A CN202110162796A CN112900402A CN 112900402 A CN112900402 A CN 112900402A CN 202110162796 A CN202110162796 A CN 202110162796A CN 112900402 A CN112900402 A CN 112900402A
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- jacket body
- jacket
- platform
- pile inserting
- underwater
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005188 flotation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
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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
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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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a jacket type offshore high-altitude installation operation platform and a positioning method thereof, and the jacket type offshore high-altitude installation operation platform comprises a jacket body (1), wherein a top platform operation plate (2) is installed at the top of the jacket body (1), a bottom anti-sinking plate (3) is installed at the bottom of the jacket body (1), floating boxes (4) are installed on two sides of the jacket body (1), an underwater propeller (5) is installed on the jacket body (1) or the floating boxes (4), and an underwater hydraulic pile inserting mechanism (6) is arranged on the jacket body (1) or the floating boxes (4). The jacket type offshore aerial installation work platform and the in-place method thereof can effectively reduce the construction cost and ensure the construction effect.
Description
Technical Field
The invention relates to an offshore high-altitude installation work platform and a positioning method thereof, in particular to a work platform based on a jacket structure form and a positioning method thereof.
Background
At present, offshore wind power construction cost is high, and a special construction ship is needed to hoist the fan assembly on the sea surface, so that the construction cost is extremely high; and because the sea surface working condition environment is comparatively abominable, even if the construction ship is equipped with positioning modules such as DP, the wave following shaking of the ship body can not be completely overcome, thereby influencing the installation precision of the wind turbine generator module. Therefore, a work apparatus capable of solving the above problems is desired.
Disclosure of Invention
The invention aims to overcome the defects and provides a jacket type offshore high-altitude installation operation platform and a positioning method thereof, which can effectively reduce the construction cost and ensure the construction effect.
The purpose of the invention is realized as follows:
a jacket type offshore high-altitude installation operation platform comprises a jacket body, wherein a top platform operation plate is installed at the top of the jacket body, a bottom anti-sinking plate is installed at the bottom of the jacket body, floating boxes are installed on two sides of the jacket body, an underwater propeller is installed on the jacket body or the floating boxes, and an underwater hydraulic pile inserting mechanism is arranged on the jacket body or the floating boxes;
the invention relates to a jacket type offshore high-altitude installation work platform.
The jacket body is also provided with a propeller mounting platform and a pile inserting mechanism mounting platform, the propeller mounting platform is provided with an underwater propeller, and the pile inserting mechanism mounting platform is provided with an underwater hydraulic pile inserting mechanism.
A method for positioning a jacket type offshore high-altitude installation work platform comprises the following steps:
firstly, towing a jacket body to the position near a target sea area by a ship under the buoyancy of a buoyancy tank;
step two, the buoyancy tank starts to submerge after being loaded with ballast water, and the position of the buoyancy tank is adjusted through an underwater propeller in the submerging process to ensure that the buoyancy tank is positioned near the position of a target sea area;
thirdly, after the bottom anti-sinking plate at the bottom of the jacket body contacts the seabed, observing that the operation plate of the top platform does not descend any more, stopping the ballast water loading of the buoyancy tank at the moment, and stopping the work of the underwater propeller;
and fourthly, the underwater hydraulic pile inserting mechanism starts to work to insert the pile legs into the seabed, the large waterline floating body is completely submerged, the whole pile inserting process is carried out underwater, the surge on the sea surface cannot interfere the operation process, the smooth operation of pile inserting is ensured, the integral positioning of the platform is completed after the pile inserting is finished, and the construction is started by utilizing operation equipment such as a crane on the operation plate of the top platform.
In the third step, a posture sensor is arranged on the jacket body to sense the posture of the jacket body, and the vertical stable sinking of the jacket body is ensured through the alternate introduction and regulation of pressurized water and high-pressure air in a buoyancy tank.
The invention relates to a method for positioning a jacket type offshore high-altitude installation operation platform.
Compared with the prior art, the invention has the beneficial effects that:
the jacket structure is adopted as a construction carrier to replace a conventional construction ship, so that the construction cost is greatly reduced, the jacket body is matched with the floating body to realize towing and sinking along with the ship, and disturbance caused by wave fluctuation in the pile inserting process is avoided in an underwater pile inserting mode; after the jacket body is in place, the jacket body is directly fixed on the surface of the sea bed, so that during construction of a crane and the like on a top platform operation plate at the top of the jacket body, the jacket body is completely free from influence of sea waves, the stability of the jacket body is extremely high, and the construction precision is guaranteed.
Drawings
Fig. 1 is a front view of a jacket type offshore aerial installation work platform according to the present invention.
Fig. 2 is a side view of a jacket type offshore aerial installation work platform of the present invention.
Fig. 3 is a top view of a jacket type offshore aerial installation work platform of the present invention.
Wherein:
Detailed Description
Referring to fig. 1 to 3, the jacket type offshore high-altitude installation work platform comprises a jacket body 1, wherein a top platform work plate 2 is installed at the top of the jacket body 1, a bottom anti-sinking plate 3 is installed at the bottom of the jacket body 1, floating boxes 4 are installed on two sides of the jacket body 1, an underwater propeller 5 is installed on the jacket body 1 or the floating boxes 4, and an underwater hydraulic pile inserting mechanism 6 is arranged on the jacket body 1 or the floating boxes 4;
further, a bottom anti-sinking plate 3 is arranged on the support leg of the jacket body 1;
further, a propeller mounting platform 7 and a pile inserting mechanism mounting platform 8 are further mounted on the jacket body 1, an underwater propeller 5 is mounted on the propeller mounting platform 7, and an underwater hydraulic pile inserting mechanism 6 is mounted on the pile inserting mechanism mounting platform 8;
a method for positioning a jacket type offshore high-altitude installation work platform comprises the following steps:
firstly, towing a jacket body 1 to the position near a target sea area by a ship under the buoyancy of a buoyancy tank 4;
step two, the buoyancy tank 4 starts to submerge after being loaded with ballast water, and the position of the buoyancy tank is adjusted through the underwater propeller 5 in the submerging process to ensure that the buoyancy tank is positioned near the position of the target sea area;
step three, observing that the top platform operation plate 2 does not descend any more after the bottom anti-sinking plate 3 at the bottom of the jacket body 1 contacts the seabed, stopping the ballast water loading of the buoyancy tank 4 at the moment, and stopping the work of the underwater propeller 5;
and step four, the underwater hydraulic pile inserting mechanism 6 starts to work to insert the pile legs into the seabed, and because the large waterline floating body is completely submerged and the whole pile inserting process is carried out underwater, the surge on the sea surface can not interfere the operation process, so that the smooth operation of pile inserting is ensured, the whole platform is in place after the pile inserting is finished, and the construction is started by utilizing operation equipment such as a crane on the top platform operation plate 2.
In the third step, a posture sensor is arranged on the jacket body 1 to sense the posture of the jacket body 1, and the vertical stable sinking of the jacket body 1 is ensured through the alternate introduction and regulation of the pressurized water and the high-pressure air in the buoyancy tank 4;
after the operation finishes, start hydraulic pressure pile inserting mechanism 6 under water and pull out the seabed with the spud leg, drive whole jacket body 1 come-up behind the discharge ballast water in flotation tank 4 to can be convenient drag boat to another station and be under construction.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (6)
1. The utility model provides a marine high altitude construction work platform of jacket formula which characterized in that: include jacket body (1), top platform operation board (2) are installed at the top of jacket body (1), bottom anti-sinking plate (3) are installed to the bottom of jacket body (1), flotation tank (4) are installed to the both sides of jacket body (1), install underwater propulsor (5) on jacket body (1) or flotation tank (4), be provided with hydraulic pressure pile inserting mechanism (6) under water on jacket body (1) or flotation tank (4).
2. The jacket-type offshore aerial installation work platform of claim 1, wherein: and a bottom anti-sinking plate (3) is arranged on the support leg of the jacket body (1).
3. The jacket-type offshore aerial installation work platform of claim 1, wherein: still install propeller mounting platform (7) and pile inserting mechanism mounting platform (8) on jacket body (1), install underwater propeller (5) on propeller mounting platform (7), install hydraulic pressure pile inserting mechanism (6) under water on pile inserting mechanism mounting platform (8).
4. A method for positioning a jacket type offshore high-altitude installation operation platform is characterized by comprising the following steps: the method for positioning comprises the following steps:
firstly, towing a jacket body (1) to the position near a target sea area by a ship under the buoyancy of a buoyancy tank (4);
step two, the buoyancy tank (4) starts to submerge after being loaded with ballast water, and the position of the buoyancy tank is adjusted through the underwater propeller (5) in the submerging process to ensure that the buoyancy tank is positioned near the position of the target sea area;
step three, after the bottom anti-sinking plate (3) at the bottom of the jacket body (1) contacts the seabed, observing that the top platform operation plate (2) does not descend any more, stopping the ballast water loading of the buoyancy tank (4) at the moment, and stopping the work of the underwater propeller (5);
and fourthly, the underwater hydraulic pile inserting mechanism (6) starts to work to insert the pile legs into the seabed, the whole pile inserting process is carried out underwater, the surge on the sea surface can not interfere the operation process, the smooth operation of pile inserting is ensured, the integral positioning of the platform is completed after the pile inserting is finished, and the construction is started by utilizing operation equipment such as a crane on the top platform operation plate (2).
5. The method of claim 4, wherein the method comprises the steps of: in the third step, a posture sensor is mounted on the jacket body (1) to sense the posture of the jacket body (1), and the vertical stable sinking of the jacket body (1) is ensured through the alternate guiding-in regulation of the pressurized water and the high-pressure air in the buoyancy tank (4).
6. The method of claim 4, wherein the method comprises the steps of: after the operation is finished, the underwater hydraulic pile inserting mechanism (6) is started to pull out pile legs from a seabed, and the whole jacket body (1) is driven to float up after ballast water is discharged from the buoyancy tank (4), so that the jacket can be conveniently towed to another station for construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110162796.0A CN112900402A (en) | 2021-02-05 | 2021-02-05 | Jacket type offshore high-altitude installation operation platform and positioning method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110162796.0A CN112900402A (en) | 2021-02-05 | 2021-02-05 | Jacket type offshore high-altitude installation operation platform and positioning method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112900402A true CN112900402A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110162796.0A Pending CN112900402A (en) | 2021-02-05 | 2021-02-05 | Jacket type offshore high-altitude installation operation platform and positioning method thereof |
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| Country | Link |
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| CN (1) | CN112900402A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115392026A (en) * | 2022-08-26 | 2022-11-25 | 哈尔滨工程大学 | Intelligent simulation system and modeling method for towing operation of jacket |
| US11966667B2 (en) | 2022-08-26 | 2024-04-23 | Harbin Engineering University | Intelligent simulation system for jacket towing and modeling method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030087A (en) * | 2010-11-29 | 2011-04-27 | 南通众联科技服务有限公司 | Semi-submersible platform for offshore drilling |
| CN206298888U (en) * | 2016-11-30 | 2017-07-04 | 中国电建集团华东勘测设计研究院有限公司 | For the pin shoe jacket structure of offshore boosting station |
| CN111364462A (en) * | 2020-03-30 | 2020-07-03 | 江苏龙源振华海洋工程有限公司 | Underwater hydraulic piling method |
| CN215405976U (en) * | 2021-02-05 | 2022-01-04 | 周宏勤 | Jacket type offshore high-altitude installation operation platform |
-
2021
- 2021-02-05 CN CN202110162796.0A patent/CN112900402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102030087A (en) * | 2010-11-29 | 2011-04-27 | 南通众联科技服务有限公司 | Semi-submersible platform for offshore drilling |
| CN206298888U (en) * | 2016-11-30 | 2017-07-04 | 中国电建集团华东勘测设计研究院有限公司 | For the pin shoe jacket structure of offshore boosting station |
| CN111364462A (en) * | 2020-03-30 | 2020-07-03 | 江苏龙源振华海洋工程有限公司 | Underwater hydraulic piling method |
| CN215405976U (en) * | 2021-02-05 | 2022-01-04 | 周宏勤 | Jacket type offshore high-altitude installation operation platform |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115392026A (en) * | 2022-08-26 | 2022-11-25 | 哈尔滨工程大学 | Intelligent simulation system and modeling method for towing operation of jacket |
| CN115392026B (en) * | 2022-08-26 | 2023-05-05 | 哈尔滨工程大学 | Intelligent simulation system and modeling method for jacket towing operation |
| US11966667B2 (en) | 2022-08-26 | 2024-04-23 | Harbin Engineering University | Intelligent simulation system for jacket towing and modeling method thereof |
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Application publication date: 20210604 |