CN211596814U - Offshore wind power foundation - Google Patents
Offshore wind power foundation Download PDFInfo
- Publication number
- CN211596814U CN211596814U CN201922121056.3U CN201922121056U CN211596814U CN 211596814 U CN211596814 U CN 211596814U CN 201922121056 U CN201922121056 U CN 201922121056U CN 211596814 U CN211596814 U CN 211596814U
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- CN
- China
- Prior art keywords
- foundation pile
- foundation
- conical
- main body
- offshore wind
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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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Abstract
The utility model relates to the technical field of ocean engineering, in particular to an offshore wind power foundation, which comprises a foundation pile main body, wherein a flange plate connected with a fan tower is arranged at the top of the foundation pile main body, and the bottom of the foundation pile main body is inserted below the mud surface of the sea bottom; the foundation pile comprises a foundation pile body and a foundation pile body, wherein the foundation pile body is inserted into the part below a seabed mud surface and sequentially comprises a first conical part, a first connecting part, a second conical part and a second connecting part towards the bottom of the foundation pile body, the conical angle range of the first conical part is 8-13 degrees, the surface of the first connecting part is parallel to the axis of the foundation pile body, the conical angle range of the second conical part is 8-20 degrees, and the surface of the second connecting part is parallel to the axis of the foundation pile body. The utility model provides an offshore wind power basis has improved the stability of foundation pile structure and the centering nature of rock-socketed operation.
Description
Technical Field
The utility model relates to an ocean engineering technology field especially relates to an offshore wind power basis.
Background
The offshore wind power technology has the natural advantages of land saving, small wind cut, close to the electricity utilization market and the like, and is rapidly developed in recent years. In order to improve the uplift resistance of the offshore wind power foundation, the foundation pile needs rock-socketed construction operation. However, the offshore construction has severe working conditions, so that the construction time is short, the construction difficulty is high, and the condition that the section of the foundation pile is suddenly changed and the stress of the foundation pile is influenced is easily generated in the rock-socketed construction operation process, so that the stability of the foundation pile structure is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that an offshore wind power foundation is provided, the stability of foundation pile structure is improved.
In order to solve the technical problem, the utility model discloses a technical scheme be: an offshore wind power foundation comprises a foundation pile main body, wherein a flange plate connected with a fan tower is arranged at the top of the foundation pile main body, and the bottom of the foundation pile main body is inserted below a seabed mud surface;
the foundation pile comprises a foundation pile body and a foundation pile body, wherein the foundation pile body is inserted into the part below a seabed mud surface and sequentially comprises a first conical part, a first connecting part, a second conical part and a second connecting part towards the bottom of the foundation pile body, the conical angle range of the first conical part is 8-13 degrees, the surface of the first connecting part is parallel to the axis of the foundation pile body, the conical angle range of the second conical part is 8-20 degrees, and the surface of the second connecting part is parallel to the axis of the foundation pile body.
In an alternative embodiment, the taper angle of the first conical portion is 8 ° and the taper angle of the second conical portion is 13 °.
In an optional embodiment, be equipped with pile fixing plate, reset spring and spacing platform on the circumferential surface of first connecting portion, pile fixing plate's one end is articulated through round pin axle and foundation pile main part, reset spring's middle part with install sell epaxially, reset spring's one end and foundation pile main part are connected, reset spring's the other end and pile fixing plate are kept away from one side of the bottom of foundation pile main part and are connected, one side that pile fixing plate is close to the bottom of foundation pile main part supports on spacing platform through reset spring.
In an optional embodiment, the circumferential surface of the second connecting part is provided with wing plates along a direction parallel to the axis of the foundation pile body, the wing plates are arranged at intervals along the circumferential direction of the second connecting part, and the included angle between every two adjacent wing plates ranges from 15 degrees to 30 degrees.
In an alternative embodiment, the cross-sectional shape of the wing is an isosceles trapezoid.
The beneficial effects of the utility model reside in that: the utility model provides an offshore wind power foundation, includes the foundation pile main part, and the socketed end design of foundation pile main part is for having certain cone angle, including first pyramis, first connecting portion, second pyramis and second connecting portion, has improved the broken water socketed ability of socketed end, has strengthened the homogeneity of sea water and seabed mud face socketed end effort to the stability and the centering nature of socketed operation have been improved.
Drawings
Fig. 1 is a schematic structural diagram of an offshore wind power foundation according to an embodiment of the present invention;
FIG. 2 is a front view of an offshore wind power foundation according to an embodiment of the present invention;
description of reference numerals:
1-a foundation pile body;
2-a flange plate;
3-a first cone;
4-a first connection;
5-a second conical section;
6-a second connection;
7-pile fixing plate;
8-a return spring;
9-a limit table;
10-wing plate.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, the offshore wind power foundation of the present invention includes a foundation pile main body, a flange plate connected to a wind turbine tower is disposed on the top of the foundation pile main body, and the bottom of the foundation pile main body is inserted below the bottom mud surface;
the foundation pile comprises a foundation pile body and a foundation pile body, wherein the foundation pile body is inserted into the part below a seabed mud surface and sequentially comprises a first conical part, a first connecting part, a second conical part and a second connecting part towards the bottom of the foundation pile body, the conical angle range of the first conical part is 8-13 degrees, the surface of the first connecting part is parallel to the axis of the foundation pile body, the conical angle range of the second conical part is 8-20 degrees, and the surface of the second connecting part is parallel to the axis of the foundation pile body.
From the above description, the beneficial effects of the present invention are: the utility model provides an offshore wind power foundation, includes the foundation pile main part, and the socketed end design of foundation pile main part is for having certain cone angle, including first pyramis, first connecting portion, second pyramis and second connecting portion, has improved the broken water socketed ability of socketed end, has strengthened the homogeneity of sea water and seabed mud face socketed end effort to the stability and the centering nature of socketed operation have been improved.
Further, the taper angle of the first tapered portion is 8 °, and the taper angle of the second tapered portion is 13 °.
From the above description, it can be known that if the cone angle is too large, the seawater or mud surface resistance is too large, and if the cone angle is too small, the purposes of improving the stress condition of the rock-socketed end and improving the stability and centering performance of the foundation pile cannot be achieved.
Further, be equipped with pile fixing plate, reset spring and spacing platform on the circumferential surface of first connecting portion, pile fixing plate's one end is articulated through round pin axle and foundation pile main part, reset spring's middle part with install sell epaxial, reset spring's one end and foundation pile main part are connected, reset spring's the other end and pile fixing plate are kept away from one side of the bottom of foundation pile main part and are connected, one side that pile fixing plate is close to the bottom of foundation pile main part supports and leans on spacing platform through reset spring.
From the above description, the pile fixing plate turns upwards in the rock embedding process, so that the resistance of seawater or a mud surface is reduced, and the pile fixing plate abuts against the limiting table after rock embedding, so that the pulling resistance of the foundation pile is improved.
Furthermore, wing plates are arranged on the circumferential surface of the second connecting portion in the direction parallel to the axis of the foundation pile main body, the wing plates are arranged at intervals in the circumferential direction of the second connecting portion, and the included angle range of every two adjacent wing plates is 15-30 degrees.
From the above description, it can be seen that the wing plate increases the contact area of the seabed mud surface with the foundation pile, thereby improving the stability of the structure.
Further, the cross-sectional shape of pterygoid lamina is isosceles trapezoid.
From the above description, the cross section of the wing plate is designed into an isosceles trapezoid, which further improves the structural stability.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: an offshore wind power foundation comprises a foundation pile main body 1, wherein a flange plate 2 connected with a fan tower is arranged at the top of the foundation pile main body 1, and the bottom of the foundation pile main body 1 is inserted below a seabed mud surface;
the foundation pile body 1 includes a first tapered portion 3, a first connection portion 4, a second tapered portion 5, and a second connection portion 6 in this order toward the bottom of the foundation pile body 1, the tapered angle range of the first tapered portion 3 being 8 ° to 13 °, the surface of the first connection portion 4 being parallel to the axis of the foundation pile body 1, the tapered angle range of the second tapered portion 5 being 8 ° to 20 °, and the surface of the second connection portion 6 being parallel to the axis of the foundation pile body 1.
Referring to fig. 1 and fig. 2, a second embodiment of the present invention is: an offshore wind power foundation comprises a foundation pile main body 1, wherein a flange plate 2 connected with a fan tower is arranged at the top of the foundation pile main body 1, and the bottom of the foundation pile main body 1 is inserted below a seabed mud surface;
the foundation pile body 1 includes a first tapered portion 3, a first connection portion 4, a second tapered portion 5, and a second connection portion 6 in this order toward the bottom of the foundation pile body 1, the tapered angle of the first tapered portion 3 being 8 °, the surface of the first connection portion 4 being parallel to the axis of the foundation pile body 1, the tapered angle of the second tapered portion 5 being 13 °, the surface of the second connection portion 6 being parallel to the axis of the foundation pile body 1.
Be equipped with on the circumferential surface of first connecting portion 4 and decide stake board 7, reset spring 8 and spacing platform 9, the one end of deciding stake board 7 is articulated through round pin axle and foundation pile main part 1, reset spring 8's middle part with install sell epaxial, reset spring 8's one end is connected with foundation pile main part 1, reset spring 8's the other end with decide stake board 7 and keep away from one side of foundation pile main part 1's bottom and be connected, decide one side that stake board 7 is close to the bottom of foundation pile main part 1 and lean on spacing platform 9 through reset spring 8. Wing plates 10 are arranged on the circumferential surface of the second connecting portion 6 in a direction parallel to the axis of the foundation pile body 1, the wing plates 10 are arranged at intervals in the circumferential direction of the second connecting portion 6, and the included angle range of two adjacent wing plates 10 is 15-30 degrees. The cross section of the wing plate 10 is isosceles trapezoid.
To sum up, the utility model provides an offshore wind power basis, including the foundation pile main part, the socketed end design of foundation pile main part is for having certain cone angle, including first pyramis, first connecting portion, second toper portion and second connecting portion, has improved the broken water socketed ability of socketed end, has strengthened sea water and seabed mud and has held the homogeneity of effort in the face of socketed end to the stability and the centering nature of socketed operation have been improved.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. An offshore wind power foundation is characterized by comprising a foundation pile main body, wherein a flange plate connected with a fan tower is arranged at the top of the foundation pile main body, and the bottom of the foundation pile main body is inserted below a seabed mud surface;
the foundation pile comprises a foundation pile body and a foundation pile body, wherein the foundation pile body is inserted into the part below a seabed mud surface and sequentially comprises a first conical part, a first connecting part, a second conical part and a second connecting part towards the bottom of the foundation pile body, the conical angle range of the first conical part is 8-13 degrees, the surface of the first connecting part is parallel to the axis of the foundation pile body, the conical angle range of the second conical part is 8-20 degrees, and the surface of the second connecting part is parallel to the axis of the foundation pile body.
2. Offshore wind foundation according to claim 1, wherein the cone angle of the first conical section is 8 ° and the cone angle of the second conical section is 13 °.
3. The offshore wind power foundation of claim 1, wherein a pile fixing plate, a return spring and a limit table are arranged on the circumferential surface of the first connecting portion, one end of the pile fixing plate is hinged to the foundation pile main body through a pin shaft, the middle of the return spring is mounted on the pin shaft, one end of the return spring is connected with the foundation pile main body, the other end of the return spring is connected with one side of the pile fixing plate, which is far away from the bottom of the foundation pile main body, and one side of the pile fixing plate, which is close to the bottom of the foundation pile main body, abuts against the limit table through the return spring.
4. The offshore wind power foundation of claim 1, wherein wing plates are arranged on the circumferential surface of the second connecting portion in a direction parallel to the axis of the foundation pile body, the wing plates are arranged at intervals in the circumferential direction of the second connecting portion, and the included angle between every two adjacent wing plates ranges from 15 degrees to 30 degrees.
5. Offshore wind power foundation according to claim 4, characterized in that the cross-sectional shape of the sails is isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121056.3U CN211596814U (en) | 2019-12-02 | 2019-12-02 | Offshore wind power foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121056.3U CN211596814U (en) | 2019-12-02 | 2019-12-02 | Offshore wind power foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596814U true CN211596814U (en) | 2020-09-29 |
Family
ID=72590032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922121056.3U Expired - Fee Related CN211596814U (en) | 2019-12-02 | 2019-12-02 | Offshore wind power foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211596814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021110351A1 (en) | 2021-04-22 | 2022-10-27 | Rwe Renewables Gmbh | Foundation structure for an offshore structure |
-
2019
- 2019-12-02 CN CN201922121056.3U patent/CN211596814U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021110351A1 (en) | 2021-04-22 | 2022-10-27 | Rwe Renewables Gmbh | Foundation structure for an offshore structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |