CN202298647U - Raft type gravity foundation for offshore wind power - Google Patents
Raft type gravity foundation for offshore wind power Download PDFInfo
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- CN202298647U CN202298647U CN2011204127272U CN201120412727U CN202298647U CN 202298647 U CN202298647 U CN 202298647U CN 2011204127272 U CN2011204127272 U CN 2011204127272U CN 201120412727 U CN201120412727 U CN 201120412727U CN 202298647 U CN202298647 U CN 202298647U
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Abstract
The utility model discloses a raft type gravity foundation for offshore wind power. The raft type gravity foundation comprises a central pier, a main beam, a secondary beam and a bottom plate. The central pier is of a hollow cylinder body. The bottom end of the cylinder body is connected with the bottom plate; the main beam is arranged around the lower part of the central pier on the bottom plate; and the vertical secondary beam is arranged at the edge of the main beam. According to the raft type gravity foundation for the offshore wind power disclosed by the utility model, an offshore wind power field is built in a sea area with better mechanical properties of a shallow layer, stable distribution and no lower horizontal weak interlayer, so that the offshore construction process is reduced and the construction cost is reduced.
Description
Technical field
The utility model relates to the basic engineering of the wind power generating set of offshore wind farm industry, relates in particular to a kind of board-like gravity of raft basis that is used for offshore wind farm.
Background technology
The intertidal zone is between the high and low tidal level of spring tide, the area that is submerged and exposes with tiding.According to preresearch estimates, the intertidal zone annual mean wind speed can reach the 6-7 meter per second, so possesses utilizable wind energy in the intertidal zone.For the intertidal belt wind electric engineering, it is mainly concerned with the construction on wind-powered electricity generation unit basis.
The maximum difference of Oversea wind power generation and land wind-power electricity generation is both residing positions; Because the basis of offshore wind farm unit is in the sea; Many extra load and uncertain factor have been increased; Thereby design is comparatively complicated, and form of structure is also because different sea situations, different geological situation and variation.Therefore, need adopt different bases for the different geological situation.But this is not done detailed description in the prior art.
Therefore, a kind of board-like gravity of raft basis that is used for offshore wind farm need be provided in the prior art.
The utility model content
In order to address this problem, the utility model discloses a kind of board-like gravity of raft basis that is used for offshore wind farm, the board-like gravity of said raft basis comprises middle pier; Girder; Secondary beam and base plate, said middle pier is hollow cylinder, said cylindrical bottom is connected with said base plate; Be provided with said girder around the bottom of pier in said on said base plate, be provided with vertical said secondary beam at the edge of said girder.
Preferably, said base plate is an octagon-shaped.
Preferably, the inner part that is connected with said girder of said middle pier is solid, and its top is hollow-core construction.
Preferably, fill building stones in the accommodation section that said base plate forms between pier and the said secondary beam in the above.
Preferably, the edge of said base plate extends cantilevered plate.
Preferably, the arranged outside of said middle socle has crashproof steel pipe, cat ladder and cat ladder platform.
Preferably, banket in the inner cavity of pier in said.
Preferably, the quantity of said girder is 8.
The board-like gravity of the raft that the is used for offshore wind farm basis of the utility model can be implemented in the shallow soil mechanical property better, distributional stability and do not have down the marine site of weak intercalated layer for sleeping in and build marine wind electric field, reduced the offshore construction operation, reduced construction cost.
In the utility model content part, introduced the notion of a series of reduced forms, this will further explain in specific embodiment part.The utility model content part does not also mean that key feature and the essential features that will attempt to limit technical scheme required for protection, does not more mean that the protection domain of attempting to confirm technical scheme required for protection.
Below in conjunction with accompanying drawing, specify the advantage and the characteristic of the utility model.
Description of drawings
Fig. 1 is the sketch map according to the board-like gravity of the raft that is used for offshore wind farm of an embodiment of the utility model basis;
Fig. 2 is another sketch map according to the board-like gravity of the raft that is used for offshore wind farm of an embodiment of the utility model basis.
The specific embodiment
In the description hereinafter, provided a large amount of concrete details and the utility model has been understood more completely so that provide.Yet, it will be apparent to one skilled in the art that the utility model can need not one or more these details and be able to enforcement.In other example,, describe for technical characterictics more well known in the art for fear of obscuring with the utility model.
In order thoroughly to understand the utility model, detailed structure will be proposed in following description.Obviously, the execution of the utility model is not limited to the specific details that those skilled in the art has the knack of.The preferred embodiment of the utility model is described in detail as follows, yet except these were described in detail, the utility model can also have other embodiments.
Below in conjunction with accompanying drawing the embodiment of the utility model is done detailed description.
With reference to figure 1 and Fig. 2, be sketch map according to the board-like gravity of the raft that is used for offshore wind farm of an embodiment of the utility model basis.Wherein Fig. 2 be the A-A of Fig. 1 to view, Fig. 1 is that the B-B of Fig. 2 is to view.
The board-like gravity of the raft of the utility model basis comprises middle pier 1, girder 2, secondary beam 3 and base plate 4; Should middle pier 1 be hollow cylinder, cylindrical bottom be connected with base plate 4, and base plate 4 is an octagon-shaped; Octagonal circumscribed circle diameter for example can be 28m, and the thickness of base plate 4 can be 0.4m.Be provided with girder 2 around the bottom of the middle pier 1 on base plate 4, preferably, the quantity of girder 2 is eight, and the height of girder is 2.3-4.6m, and thickness is 1m.Be provided with vertical secondary beam 3 at the edge of girder 2.The height of secondary beam 3 for example can be 2.3m, and its thickness for example can be 0.7m.
In order to improve the deadweight on basis, the middle pier 1 inner part that is connected with girder 2 is solid, and its top is hollow-core construction.The external diameter of middle pier 1 can be 6.4m, and internal diameter can be 4.8m.Can fill building stones 10 in the accommodation section that forms between pier 1 and the secondary beam 3 on base plate 4.
Preferably, also extend cantilevered plate 5 at the edge of base plate.Also be provided with crashproof steel pipe 6, cat ladder 7 and cat ladder platform 8 in the outside on middle pier 1 top, to make things convenient for manual work.In the inner chamber of middle pier 1, can be filled with and banket 9.
The board-like gravity of the raft that the is used for offshore wind farm basis of the utility model can be implemented in the shallow soil mechanical property better, distributional stability and do not have down the marine site of weak intercalated layer for sleeping in and build marine wind electric field, reduced the offshore construction operation, reduced construction cost.
The utility model is illustrated through the foregoing description, but should be understood that, the foregoing description just is used for for example and illustrative purposes, but not is intended to the utility model is limited in the described scope of embodiments.It will be understood by those skilled in the art that in addition; The utility model is not limited to the foregoing description; Instruction according to the utility model can also be made more kinds of variants and modifications, and these variants and modifications all drop in the utility model scope required for protection.The protection domain of the utility model is defined by appended claims book and equivalent scope thereof.
Claims (8)
1. the board-like gravity of a raft basis that is used for offshore wind farm is characterized in that the board-like gravity of said raft basis comprises middle pier; Girder; Secondary beam and base plate, said middle pier is hollow cylinder, said cylindrical bottom is connected with said base plate; Be provided with said girder around the bottom of pier in said on said base plate, be provided with vertical said secondary beam at the edge of said girder.
2. according to the board-like gravity of the described raft of claim 1 basis, it is characterized in that said base plate is an octagon-shaped.
3. according to the board-like gravity of the described raft of claim 2 basis, it is characterized in that the inner part that is connected with said girder of said middle pier is solid, its top is hollow-core construction.
4. according to the board-like gravity of the described raft of claim 3 basis, it is characterized in that, fill building stones in the accommodation section that said base plate forms between pier and the said secondary beam in the above.
5. according to the board-like gravity of the described raft of claim 1 basis, it is characterized in that the edge of said base plate extends cantilevered plate.
6. according to the board-like gravity of the described raft of claim 1 basis, it is characterized in that the arranged outside of said middle socle has crashproof steel pipe, cat ladder and cat ladder platform.
7. according to the board-like gravity of the described raft of claim 1 basis, it is characterized in that, banket in the cavity of said middle pier inside.
8. according to the board-like gravity of the described raft of claim 2 basis, it is characterized in that the quantity of said girder is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204127272U CN202298647U (en) | 2011-10-26 | 2011-10-26 | Raft type gravity foundation for offshore wind power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204127272U CN202298647U (en) | 2011-10-26 | 2011-10-26 | Raft type gravity foundation for offshore wind power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298647U true CN202298647U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204127272U Expired - Lifetime CN202298647U (en) | 2011-10-26 | 2011-10-26 | Raft type gravity foundation for offshore wind power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202298647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936901A (en) * | 2012-10-30 | 2013-02-20 | 广东明阳风电产业集团有限公司 | Wind power tower foundation with inverted frustum and independent column combined |
| CN106014873A (en) * | 2016-06-15 | 2016-10-12 | 江苏金风科技有限公司 | Protection device of offshore wind turbine generator system tower foundation |
-
2011
- 2011-10-26 CN CN2011204127272U patent/CN202298647U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936901A (en) * | 2012-10-30 | 2013-02-20 | 广东明阳风电产业集团有限公司 | Wind power tower foundation with inverted frustum and independent column combined |
| CN106014873A (en) * | 2016-06-15 | 2016-10-12 | 江苏金风科技有限公司 | Protection device of offshore wind turbine generator system tower foundation |
| CN106014873B (en) * | 2016-06-15 | 2018-09-11 | 江苏金风科技有限公司 | The protective device on offshore wind turbine generator system tower basis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |