CN215977358U - Offshore wind turbine jacket foundation implanted rock-socketed pile construction platform - Google Patents
Offshore wind turbine jacket foundation implanted rock-socketed pile construction platform Download PDFInfo
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- CN215977358U CN215977358U CN202121248338.0U CN202121248338U CN215977358U CN 215977358 U CN215977358 U CN 215977358U CN 202121248338 U CN202121248338 U CN 202121248338U CN 215977358 U CN215977358 U CN 215977358U
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Abstract
The utility model discloses an offshore wind turbine jacket foundation implanted rock-socketed pile construction platform which comprises a rock-socketed operation platform and an anti-sinking platform arranged below the rock-socketed operation platform, wherein a downward auxiliary pile sleeve and a downward rock-socketed pile sleeve are fixedly arranged on the rock-socketed operation platform, the bottoms of the auxiliary pile sleeve and the rock-socketed pile sleeve are fixed on the anti-sinking platform, inclined support rods are connected between the auxiliary pile sleeves, and rib plates are welded between the auxiliary pile sleeve and the rock-socketed operation platform and between the rock-socketed pile sleeve and the rock-socketed operation platform. The temporary construction platform for placing the large rock-socketed drilling machine on the shallow rock foundation seabed is designed, the difficult problem of rock-socketed foundation construction on the shallow rock foundation seabed is effectively solved, powerful support is provided for introducing an offshore wind turbine rock-socketed pile foundation technology into the offshore wind power industry, and the construction cost is reduced.
Description
Technical Field
The utility model relates to the technical field of fan foundation construction in the offshore wind power industry, in particular to an implanted rock-socketed pile construction platform for an offshore fan jacket foundation.
Background
The most difference between offshore wind power generation and onshore wind power generation lies in the different positions of the offshore wind power generation and onshore wind power generation, and because the foundation of an offshore wind power generation unit is positioned on the sea, a plurality of additional loads and uncertain factors are added, so that the design is more complex, and the structural form is diversified due to different sea conditions. In some sea areas with complex geological conditions, such as the Guangdong and Fujian sea areas in the southeast coast of China, the soil covering layer is shallow, the soil quality is soft, and the pile foundations of the wind power projects built in the sea areas cannot meet the supporting requirement if only embedded into the soil covering layer, so that the pile foundations of the wind power projects built in the sea areas also need to be embedded into rock layers buried under the soil covering layer to form rock-embedded piles so as to meet the supporting requirement of fan equipment.
In a pile foundation structure, the rock-socketed pile has the advantages of high bearing capacity and small settlement, and is widely applied to the fields of highways, bridges, ports, wind power and the like. However, the rock-socketed construction difficulty is large, and especially the implanted rock-socketed pile planting precision requirement is high, and the construction control difficulty is large. The existing common foundation construction equipment is a self-elevating platform ship, but the self-elevating platform ship is limited in quantity and huge in lease cost due to fire and heat in the domestic offshore wind power market.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an offshore wind turbine jacket foundation implanted rock-socketed pile construction platform which is reasonable in design and serves as a temporary construction platform aiming at the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an offshore wind turbine jacket basis implanted rock-socketed pile construction platform, its characteristics are, this construction platform includes rock-socketed operation platform and establishes the platform of preventing sinking in rock-socketed operation platform below, fixed mounting has supplementary pile sleeve and the rock-socketed pile sleeve of downward setting on the rock-socketed operation platform, supplementary pile sleeve and rock-socketed pile telescopic bottom are fixed on preventing sinking the platform, be connected with the diagonal brace between the supplementary pile sleeve, between supplementary pile sleeve and the rock-socketed operation platform, the welding has the gusset between rock-socketed pile sleeve and the rock-socketed operation platform.
The technical problem to be solved by the utility model can also be realized by the following technical scheme that the rock-socketed operation platform comprises a top platform and a second platform which are fixedly connected through a truss.
The technical problem to be solved by the utility model can be solved by adopting the following technical scheme that four auxiliary pile sleeves are arranged at four corners of the rock-socketed operation platform, and three rock-socketed pile sleeves are arranged in an isosceles triangle manner.
The technical problem to be solved by the utility model can also be achieved by the following technical scheme that the rock-socketed operation platform is provided with a main platform, platform lug plates are symmetrically arranged on two adjacent corners of the main platform, two rock-socketed pile sleeves are arranged on the platform lug plates, and auxiliary pile sleeves are respectively arranged on four corners of the main platform.
The technical problem to be solved by the utility model can be realized by adopting the following technical scheme that a jack for adjusting the verticality and the plane position of the steel casing is arranged on a top-layer platform at the periphery of the socketed pile sleeve.
The technical problem to be solved by the utility model can be realized by the following technical scheme that the top platform is of a plate frame structure, the size of the top platform is 32m by 34m, and the two-layer platform is of a structure platform and has the same size as the top platform.
The technical problem to be solved by the utility model can be realized by adopting the following technical scheme that the anti-sinking platform adopts an anti-sinking plate and is 1.5-2.0m away from the rock-socketed operation platform.
The technical problem to be solved by the utility model can also be solved by adopting the following technical scheme that the auxiliary pile sleeve is formed by welding a plurality of single-section sleeves.
The technical problem to be solved by the utility model can also be solved by the following technical scheme that the truss is composed of upright posts and truss single-piece components.
Compared with the prior art, the utility model has the following technical effects:
firstly, the utility model designs a temporary construction platform for placing a large rock-socketed drilling machine on a shallow rock-base seabed by utilizing the domestic existing construction equipment, referring to the domestic port engineering construction process and combining the characteristics of a jacket implanted rock-socketed pile foundation, thereby effectively solving the difficult problem of the construction of the rock-socketed pile foundation on the shallow rock-base seabed, providing powerful support for introducing the offshore wind turbine rock-socketed pile foundation technology into the offshore wind power industry and reducing the construction cost;
secondly, the method is suitable for rock-socketed construction of the steel pipe pile of the deepwater jacket type fan foundation, and greatly expands the development range of offshore wind fields;
thirdly, the bottom-sitting type platform is stable in structure, strong in wind and wave resistance, reasonable in size, light in weight, small in size, light in weight and capable of saving materials.
Drawings
FIG. 1 is a block diagram of an implantable socketed pile construction platform for a jacket foundation of an offshore wind turbine according to the present invention;
FIG. 2 is a side view of FIG. 1;
fig. 3 is a top view of fig. 1.
In the figure: 1-top platform, 2-two-layer platform, 3-anti-sinking platform, 4-auxiliary pile sleeve, 5-rock-socketed pile sleeve, 6-diagonal brace, 7-rib plate, 8-truss, 9-main platform and 10-platform ear plate.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, an offshore wind turbine jacket foundation implanted rock-socketed pile construction platform comprises a rock-socketed operation platform and an anti-sinking platform 3 arranged below the rock-socketed operation platform, wherein a downward auxiliary pile sleeve 4 and a rock-socketed pile sleeve 5 are fixedly arranged on the rock-socketed operation platform, the bottoms of the auxiliary pile sleeve 4 and the rock-socketed pile sleeve 5 are fixed on the anti-sinking platform 3, an inclined stay bar 6 is connected between the auxiliary pile sleeve 4 and the rock-socketed operation platform, rib plates 7 are welded between the rock-socketed pile sleeve 5 and the rock-socketed operation platform, and triangular rib plate welding connection can be adopted.
The rock-socketed operation platform comprises a top platform 1 and a second platform 2, and the top platform 1 and the second platform 2 are fixedly connected through a truss; the number of the auxiliary pile sleeves 4 is four, the auxiliary pile sleeves are arranged at four corners of the rock-socketed operation platform, and the number of the rock-socketed pile sleeves 5 is three and arranged in an isosceles triangle shape; the socketed operation platform is equipped with main platform 9, is equipped with platform otic placode 10 on two adjacent angles of main platform 9 symmetrically, and wherein two socketed pile sleeves 5 are established on platform otic placode 10, and auxiliary pile sleeve 4 is established respectively on four angles of main platform, guarantees the stability of device.
A jack for adjusting the verticality and the plane position of the steel casing is arranged on the top platform 1 at the periphery of the socketed pile sleeve 5, so that time and labor are saved;
the top platform 1 is of a plate frame structure and has the size of 32m by 34m,
the two-layer platform 2 is a structural platform, the size of the structural platform is the same as that of the top-layer platform,
the anti-sinking platform 3 adopts an anti-sinking plate, the center of the anti-sinking plate is provided with an opening which is 1.5 to 2.0m away from the rock-socketed operation platform, the auxiliary pile sleeve 4 is formed by welding a plurality of single-section sleeves, the assembly welding is completed on a roller frame, the three sections are integrally pre-spliced,
the girders 8 are formed by an assembly of uprights and single girders.
The construction method of the offshore wind turbine jacket foundation implanted rock-socketed pile construction platform comprises the following steps,
s01, positioning and leveling the rock-socketed pile construction platform through a crane ship, and sinking an auxiliary pile into the auxiliary pile sleeve after leveling;
s02, sequentially inserting the three steel protective cylinders into the tap hole, and setting the steel protective cylinders to the elevation one by one according to the control requirement by a vibration hammer;
s03, after the rock-socketed pile construction platform is built, hoisting drilling machine equipment, supporting facilities, crawler cranes and the like to the top platform, and reinforcing according to the platform prevention requirement;
s04, arranging a hydraulic drilling machine and an impact drill on the top platform, and sweeping the hole by the hydraulic drilling machine and drilling to the designed elevation to ensure the quality of the formed hole;
s05, immediately planting the steel pipe pile after the counter bore is finished so as to prevent hole collapse;
and S06, immediately performing outside circumferential seam grouting after the steel pipe pile planting is finished.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides an offshore wind turbine jacket basis implanted rock-socketed pile construction platform, a serial communication port, this construction platform includes rock-socketed operation platform and establishes the platform of sinking of preventing in rock-socketed operation platform below, fixed mounting has the supplementary pile sleeve and the rock-socketed pile sleeve of downward setting on the rock-socketed operation platform, supplementary pile sleeve and rock-socketed pile telescopic bottom are fixed on preventing sinking the platform, be connected with the diagonal brace between the supplementary pile sleeve, between supplementary pile sleeve and the rock-socketed operation platform, the welding has the gusset between rock-socketed pile sleeve and the rock-socketed operation platform.
2. The offshore wind turbine jacket foundation implanted rock-socketed pile construction platform of claim 1, wherein the rock-socketed operation platform comprises a top platform and a second platform, and the top platform and the second platform are fixedly connected through a truss.
3. The offshore wind turbine jacket foundation implantable rock-socketed pile construction platform of claim 1, wherein four auxiliary pile sleeves are arranged at four corners of the rock-socketed operation platform, and three rock-socketed pile sleeves are arranged in an isosceles triangle.
4. The offshore wind turbine jacket foundation implantable rock-socketed pile construction platform according to claim 3, wherein the rock-socketed operation platform is provided with a main platform, two adjacent corners of the main platform are symmetrically provided with platform ear plates, two rock-socketed pile sleeves are arranged on the platform ear plates, and the auxiliary pile sleeves are respectively arranged on four corners of the main platform.
5. The offshore wind turbine jacket foundation implantable rock-socketed pile construction platform of claim 1, wherein a jack for adjusting the perpendicularity and the plane position of the steel casing is mounted on a top platform around the rock-socketed pile sleeve.
6. The offshore wind turbine jacket foundation implanted socketed pile construction platform of claim 2, wherein the top platform is a plate frame structure with dimensions of 32m x 34m, and the two-layer platform is a structural platform with dimensions identical to those of the top platform.
7. The offshore wind turbine jacket foundation implanted rock-socketed pile construction platform of claim 1, wherein the anti-sinking platform adopts an anti-sinking plate 1.5-2.0m away from the rock-socketed operation platform.
8. The offshore wind turbine jacket foundation implantable rock-socketed pile construction platform of claim 1, wherein the auxiliary pile sleeve is formed by welding a plurality of single-section sleeves.
9. The offshore wind turbine jacket foundation implantable socketed pile construction platform of claim 2, wherein the truss is formed from an assembly of uprights and truss monolithic pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121248338.0U CN215977358U (en) | 2021-06-04 | 2021-06-04 | Offshore wind turbine jacket foundation implanted rock-socketed pile construction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121248338.0U CN215977358U (en) | 2021-06-04 | 2021-06-04 | Offshore wind turbine jacket foundation implanted rock-socketed pile construction platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215977358U true CN215977358U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121248338.0U Active CN215977358U (en) | 2021-06-04 | 2021-06-04 | Offshore wind turbine jacket foundation implanted rock-socketed pile construction platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215977358U (en) |
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2021
- 2021-06-04 CN CN202121248338.0U patent/CN215977358U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230927 Address after: No. 147, Zhongshan Middle Road, Lianyun District, Lianyungang City, Jiangsu Province Patentee after: JIANGSU BRANCH OF CCCC SHANGHAI PORT ENGINEERING Co.,Ltd. Patentee after: CCCC THIRD HARBOR ENGINEERING Co.,Ltd. Address before: No. 147, Zhongshan Middle Road, Lianyun District, Lianyungang City, Jiangsu Province Patentee before: JIANGSU BRANCH OF CCCC SHANGHAI PORT ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right |