CN212709883U - Concrete structure suitable for floating fan foundation - Google Patents
Concrete structure suitable for floating fan foundation Download PDFInfo
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- CN212709883U CN212709883U CN202020921135.2U CN202020921135U CN212709883U CN 212709883 U CN212709883 U CN 212709883U CN 202020921135 U CN202020921135 U CN 202020921135U CN 212709883 U CN212709883 U CN 212709883U
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Abstract
The utility model discloses a concrete structure suitable for floating fan basis, including a plurality of concrete modules and wire rope, the wall thickness, cross sectional shape and the size homogeneous phase of concrete module, the middle part of concrete module is hollow structure, and embedded steel bar just alternates many bellows in the concrete module wall, and wire rope passes and connects gradually each concrete module in the bellows, and the whole both ends after a plurality of concrete modules are connected are equipped with the shrouding. The concrete modules can be produced in batch, which is beneficial to the batch construction of the floating type draught fan, shortens the construction period and simplifies the construction process; compared with the existing floating platform adopting a steel structure, the reinforced concrete has the advantages of low cost, corrosion resistance and the like, and can effectively reduce the manufacturing cost of the floating fan.
Description
Technical Field
The utility model relates to an offshore wind power technology field, in particular to concrete structure suitable for floating fan basis.
Background
The existing offshore wind power station generally adopts a fixed foundation, but in a sea area with the water depth of more than 50m, the fixed foundation is not suitable due to overhigh cost, and the floating type wind turbine provides a more economic choice for developing wind energy resources in the deep sea area. In recent years, high attention is paid to the development of offshore wind power and the research of floating wind power in various countries, and particularly after the first floating wind farm in the world succeeds in commercial operation, more and more countries focus solutions for reducing carbon dioxide emission on the field of floating wind power.
At present, various countries propose various design schemes of floating fan platforms, most of the schemes adopt floating foundations with steel structures, and the steel structures have the defects of high manufacturing cost, easy corrosion, high construction process requirements, difficult later maintenance and the like. Meanwhile, the floating foundation of the steel structure is one of the main factors causing the overall cost of the fan to be too high. The high cost of the floating type foundation fan restricts the large-scale application of the floating type fan to the offshore wind power industry, so how to reduce the life-span cost of the foundation platform is an important subject in the field of offshore floating type fans.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a concrete structure suitable for floating fan basis, but mass production, reduction in production cost.
The technical scheme of the utility model is that: the utility model provides a concrete structure suitable for floating fan basis, includes a plurality of concrete modules and wire rope, the wall thickness of concrete module, cross sectional shape and size are all the same, the middle part of concrete module is hollow structure, and pre-buried reinforcing bar just alternates many bellows in the concrete module wall, and wire rope passes and connects each concrete module in proper order in the bellows, and the whole both ends after a plurality of concrete modules are connected are equipped with the shrouding. The concrete modules can be produced in batch, so that the batch construction of the floating type draught fans is facilitated, the construction period is shortened, and the construction process is simplified; compared with the existing floating platform adopting a steel structure, the reinforced concrete has the advantages of low cost, corrosion resistance and the like, and can effectively reduce the manufacturing cost of the floating fan.
The seal plate is provided with a through hole corresponding to the position of the corrugated pipe, and the steel wire rope penetrates through the through hole.
The bellows is parallel to the axis of the concrete module.
The cross section of the concrete module is rectangular, oval, flat oval, circular or triangular. The mass production can be realized after the cross-sectional shape and the size of the concrete module are determined.
The sealing plate is made of steel.
The embedded steel bars are criss-cross in a net shape and are uniformly distributed in the wall of the concrete module.
Compared with the prior art, the utility model, following beneficial effect has:
according to the design scheme of the fan foundation, the number of concrete modules can be flexibly configured, and the stability of the foundation is guaranteed.
This concrete structure adopts a plurality of prefab concrete modules, assembles into fan foundation form, and the concrete module can be according to the size and the shape batch production of a specification, has reduced foundation construction's the degree of difficulty, reduces the complexity of assembly process. The modularized manufacturing of the reinforced concrete is beneficial to the batch construction of the floating type fan, shortens the construction period and simplifies the construction process.
The concrete structure adopts the reinforced concrete with light material and high strength, has good corrosion resistance, can be designed on a floating foundation and has good process performance. Compared with the steel structure mainly adopted by the existing floating platform, the reinforced concrete has the advantages of low cost, corrosion resistance and the like, and the cost of the floating fan is effectively reduced.
Drawings
Fig. 1 is a schematic structural view of a concrete module.
Fig. 2 is a cross-sectional view of a concrete module.
Fig. 3 is a sectional view showing an internal structure of a concrete module.
Fig. 4 is a schematic structural diagram of the closing plate.
Fig. 5 is a schematic structural diagram of a wind turbine foundation formed by the concrete structure.
In the figure, 1 is a corrugated pipe, 2 is a steel bar, 3 is a sealing plate, 4 is a through hole, 5 is a concrete module, and 6 is a central connecting piece.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
The concrete structure suitable for the floating fan foundation comprises a plurality of concrete modules 5 and steel wire ropes, wherein the wall thickness, the cross-sectional shape and the size of each concrete module are the same, the middle parts of the concrete modules are of hollow structures, embedded steel bars 2 are arranged in the walls of the concrete modules in an inserted mode, a plurality of corrugated pipes 1 are inserted in the steel wire ropes, the steel wire ropes penetrate through the corrugated pipes to sequentially connect the concrete modules, and sealing plates 3 are arranged at two ends of the whole body after the concrete modules are connected. The concrete modules can be produced in batch, so that the batch construction of the floating type draught fans is facilitated, the construction period is shortened, and the construction process is simplified; compared with the existing floating platform adopting a steel structure, the reinforced concrete has the advantages of low cost, corrosion resistance and the like, and can effectively reduce the manufacturing cost of the floating fan.
As shown in fig. 4, the sealing plate is provided with a through hole 4 corresponding to the position of the corrugated pipe, and the steel wire rope passes through the through hole. The steel wire ropes are fixed on the end sealing plates, and the plurality of concrete modules are tightly connected in series in a pre-tightening steel wire rope mode. The bellows is parallel to the axis of the concrete module. The cross section of the concrete module is in a flat ellipse shape. The mass production can be realized after the cross-sectional shape and the size of the concrete module are determined.
The sealing plate is made of steel. The embedded steel bars are criss-cross in a net shape and are uniformly distributed in the wall of the concrete module, so that the structural strength of the concrete module can be enhanced.
The concrete structure is designed according to the floating fan foundation form, requirements of transportation, concrete molds, site construction, assembly, overlapping and the like are met, and the shape and the size of the concrete module are determined, as shown in fig. 5, the floating fan foundation comprises three support legs and a central connecting piece 6, the three support legs are connected into the floating fan foundation through the central connecting piece, the angles of the adjacent support legs are 120 degrees, the upper portion of the central connecting piece is connected with a tower barrel, a buoy for providing buoyancy can be arranged at the end portion of each support leg, each support leg comprises a plurality of concrete modules, the axial size of each concrete module is 2.7 meters, the length of the cross section of the concrete is 8 meters, the height of the concrete module is 4 meters, the wall thickness of the concrete module is 300 millimeters, and 28 corrugated. And a steel sealing plate is arranged at the end part of each supporting leg, and a steel wire rope penetrates through the concrete modules and the sealing plates.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a concrete structure suitable for floating fan basis, its characterized in that includes a plurality of concrete modules and wire rope, the wall thickness, cross sectional shape and the size homogeneous phase of concrete module, the middle part of concrete module is hollow structure, and pre-buried reinforcing bar just alternates many bellows in the concrete module wall, and wire rope passes and connects gradually each concrete module in the bellows, and the whole both ends after a plurality of concrete modules are connected are equipped with the shrouding.
2. The concrete structure suitable for the floating wind turbine foundation as claimed in claim 1, wherein the sealing plate is provided with through holes corresponding to the positions of the corrugated pipes, and the steel wire ropes are passed through the through holes.
3. The concrete structure suitable for use in a floating wind turbine foundation of claim 1, wherein the bellows is parallel to the axis of the concrete module.
4. The concrete structure suitable for the floating wind turbine foundation as claimed in claim 1, wherein the cross section of the concrete module is rectangular, oval, flat oval, circular or triangular.
5. The concrete structure suitable for use in a floating wind turbine foundation as claimed in claim 1, wherein said sealing plate is made of steel.
6. The concrete structure suitable for the floating wind turbine foundation as claimed in claim 1, wherein the embedded steel bars are criss-cross in a net shape and uniformly distributed in the wall of the concrete module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921135.2U CN212709883U (en) | 2020-05-27 | 2020-05-27 | Concrete structure suitable for floating fan foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020921135.2U CN212709883U (en) | 2020-05-27 | 2020-05-27 | Concrete structure suitable for floating fan foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212709883U true CN212709883U (en) | 2021-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020921135.2U Active CN212709883U (en) | 2020-05-27 | 2020-05-27 | Concrete structure suitable for floating fan foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212709883U (en) |
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2020
- 2020-05-27 CN CN202020921135.2U patent/CN212709883U/en active Active
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