CN202500162U - Offshore wind generation set foundation - Google Patents
Offshore wind generation set foundation Download PDFInfo
- Publication number
- CN202500162U CN202500162U CN2012201063201U CN201220106320U CN202500162U CN 202500162 U CN202500162 U CN 202500162U CN 2012201063201 U CN2012201063201 U CN 2012201063201U CN 201220106320 U CN201220106320 U CN 201220106320U CN 202500162 U CN202500162 U CN 202500162U
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- offshore wind
- wind farm
- arc convex
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Abstract
The utility model provides an offshore wind generation set foundation which comprises a pile and a cushion cap supported by the pile. The offshore wind generation set foundation also comprises a plurality of fence hoops which are used for covering the pile and are positioned on an inner part of a seabed, wherein each fence hoop comprises a rubber belt; each rubber belt successively seals and covers the outer wall of the pile along a length direction of the pile, and each rubber belt is fixed from beginning to end; and the sealing cooperation is formed between the two adjacent rubber belts. The offshore wind generation set foundation provided by the utility model has good corrosion-resisting property.
Description
Technical field
The utility model relates to wind generating technology, relates in particular to a kind of offshore wind farm unit basis.
Background technology
Along with the development of wind power technology, the Oversea wind power generation technology is becoming the emphasis of new energy field development.The sea turn motor comprises offshore wind farm unit basis and offshore wind farm unit, and wherein, the offshore wind farm unit is by offshore wind farm unit base support.Offshore wind farm unit basis comprises that being used for an end stretches into ocean bottom soil, the other end and stretch out the pile on sea level and the cushion cap that is supported by pile, and cushion cap is positioned at the top, sea level.The offshore wind farm unit comprises tower tube and the cabin that is arranged on tower tube top.The tower tube is fixed on the cushion cap.
Marine environment is a kind of corrosive environment of complicacy.Seawater itself is a kind of strong corrosive medium; Hypo, wave, tide and current produce low frequency toward combined stress and impact to base support structure again simultaneously, add that marine microorganism, aufwuch and their metabolin etc. all can be to the direct or indirect accelerations of the corrosion induced of pile.
In the prior art, be coated with on the pile outer wall of base support structure and be brushed with anti-corrosive paint, but the anti-corrosive paint effect is limited, in the use, the speed that pile is corroded is still very fast.
The utility model content
The utility model provides a kind of offshore wind farm unit basis, is used to optimize the performance of wind-powered electricity generation unit.
The utility model provides a kind of offshore wind farm unit basis, comprises pile and the cushion cap that is supported by said pile, wherein, also comprises several protection hoops that said pile is positioned at the sea bed part that are used to coat; Every said protection hoop comprises rubber strip, and the said rubber strip of each root is sealed and coated on the outer wall of said pile along the length direction of said pile successively, and the said rubber strip of each root is fixing from beginning to end, is sealed and matched between two adjacent said rubber strips.
Aforesaid offshore wind farm unit basis, preferably: every said protection hoop also comprises several rubber arc convex, each said rubber arc convex evenly be fixed on the said rubber strip and the protrusion direction unanimity outwardly.
Aforesaid offshore wind farm unit basis, preferably: said rubber arc convex is hemisphere, segment or spherical crown.
Aforesaid offshore wind farm unit basis, preferably: said rubber arc convex is a hollow body, and sidewall thickness is not less than 5mm.
Aforesaid offshore wind farm unit basis, preferably: said rubber strip is strip, the width of said rubber strip be said rubber arc convex sphere diameter 1.2-2 doubly.
Aforesaid offshore wind farm unit basis; Preferably: said rubber arc convex is arranged on said rubber strip middle part along its length, and the centre of sphere spacing between two adjacent said rubber arc convex be said rubber arc convex sphere diameter 1.2-2 doubly.
Aforesaid offshore wind farm unit basis, preferably: the rubber arc convex on two adjacent said protection hoops is crisscross arranged on the length direction of said pile.
Aforesaid offshore wind farm unit basis, preferably: the junction of two adjacent said rubber strips is coated with rubber adhesive.
In the technique scheme, the protection hoop is used for closely being coated on the outer wall of offshore wind farm unit basis pile.Hypo, wave, tide and current can act directly on the protection hoop past combined stress of low frequency and impact that pile produces, can reduce the stress that pile receives like this, have also just reduced the corrosion that low frequency causes pile toward combined stress and impact.Offshore wind farm unit that technique scheme provides basis because the protection hoop is coated on the pile outer wall, has reduced the probability that marine microorganism, aufwuch and their metabolin adhere to pile, has also reduced the possibility that pile is corroded.
Description of drawings
The protection cuff structure sketch map on the offshore wind farm unit basis that Fig. 1 provides for the utility model embodiment one;
The offshore wind farm unit foundation structure sketch map that Fig. 2 provides for the utility model embodiment one.
The specific embodiment
Referring to Fig. 1 and Fig. 2, the embodiment of the invention one provides a kind of offshore wind farm unit basis, comprises pile 3 and the cushion cap 4 that is supported by pile 3, wherein, also comprises several protection hoops, and the protection hoop is used to coat the part that pile 3 is positioned at sea bed; Every root guard hoop comprises rubber strip 1, and each root rubber strip 1 is sealed and coated on the outer wall of pile 3 along the length direction of pile 3 successively, and each root rubber strip 1 head and the tail is fixing, is sealed and matched between two adjacent rubber strips 1.What here, installed cushion cap 4 tops is tower tube 5.
Fig. 1 has illustrated protection to bind round end to end state.The protection hoop that technique scheme provides is applicable to that offshore wind farm unit basis and other need etch-proof column equipment.In the technique scheme, the protection hoop is used for closely being coated on the outer wall of offshore wind farm unit basis pile 3.Hypo, wave, tide and current can act directly on the protection hoop past combined stress of low frequency and impact that pile 3 produces, can reduce the stress that pile 3 receives like this, have also just reduced the corrosion that low frequency causes pile 3 toward combined stress and impact.Another advantage of above-mentioned protection hoop is, the protection hoop is coated on pile 3 outer walls, reduced the probability that marine microorganism, aufwuch and their metabolin adhere to pile 3, also reduced the possibility that pile 3 is corroded.
The wind power generating set that technique scheme provides, antiseptic property is better than existing wind-powered electricity generation unit, is able to the application life of wind power generating set strengthen.
Referring to Fig. 1 and Fig. 2, preferably, every root guard hoop also comprises several rubber arc convex 2, each rubber arc convex 2 evenly be fixed on the rubber strip 1 and the protrusion direction unanimity outwardly.In the practical application; Past combined stress of low frequency and impact that hypo, wave, tide and current produce pile 3; Can act directly on the protection hoop, and disperse, like this along the slit between the rubber arc convex 2; Just reduce the stress that pile 3 receives, also just reduced the corrosion that low frequency causes pile 3 toward combined stress and impact.The protection hoop of rubber material can also effectively cushion the bump that pile 3 receives.
It is understandable that, adopt the protection hoop of said structure, also can reduce the Karman vortex street phenomenon.Concrete reason states that as follows Karman vortex street is a phenomenon important in the hydrodynamics, in ocean engineering, often can run into.The Karman vortex street phenomenon is meant: when the steady motion of a fluid was under certain condition walked around columnar object, the columnar object both sides can periodically come off, and direction of rotation was opposite, the biserial line vortex of queueing discipline, i.e. Karman vortex street.The steady motion of a fluid can be current, wind or other media.Flow through bridge pier like water, electric wire etc. is crossed in wind all can form Karman vortex street.When Karman vortex street occurring, the steady motion of a fluid can produce the alternation horizontal force of one-period property to columnar object.If the intrinsic frequency of the frequency of power and columnar object is close, will causes resonance, even columnar object is damaged.To protect hoop and be arranged to said structure; Be equivalent to change the structure on columnar object (columnar object is the pile 3 that is coated with the protection hoop on the outer wall) surface here, when current were walked around the columnar object of surface irregularity, near the turbulence intensity the pile 3 can increase; And the structure of wake flow also can change; So can effectively stop the formation of Karman vortex street, weaken the columnar object vibration that causes because of Karman vortex street, reduce the destruction of Karman vortex street columnar object.
Here, for ease of processing and manufacturing, rubber arc convex 2 is hemisphere, segment or spherical crown.
In the practical application, in order to reduce to protect the weight of hoop, rubber arc convex 2 can be hollow body, and sidewall thickness is not less than 5mm.It mainly is in order to guarantee that rubber arc convex 2 has enough rigidity, can bear the liquid pressure of b.s.l. that sidewall thickness is not less than 5mm.
For ease of making, preferred, rubber strip 1 is strip, the width of rubber strip 1 be rubber arc convex 2 sphere diameter 1.2-2 doubly.
Rubber arc convex 2 can be arranged on rubber strip 1 middle part along its length, and the centre of sphere spacing between two adjacent rubber arc convex 2 be rubber arc convex 2 sphere diameter 1.2-2 doubly.Facts have proved, meet the protection hoop of above-mentioned size relationship, in application, the past combined stress of low frequency and the impact that can disperse hypo, wave, tide and current that pile 3 is produced.
Rubber arc convex 2 on two adjacent protection hoops is crisscross arranged on the length direction of pile 3.Referring to Fig. 2, Fig. 2 signal be each rubber arc convex 2 on every root guard hoop below adjacent with it or above the protection hoop between two rubber arc convex 2.
For further introducing the benefit of protection hoop, introduce the erosion corrosion that offshore wind farm unit basis receives here in detail.For basic installation site is the offshore wind farm unit basis of sandy soil, and it is very big that offshore wind farm unit basis is influenced by seawater, wave or tide erosion corrosion, and its influence basin is approximately 2.5 times of pile foundation diameters.With single pile, if the pile foundation diameter is 5 meters, then the scour hole diameter is 12.5 meters; With a clump of piles, if the pile foundation peripheral diameter is 30 meters, then the scour hole diameter is 75 meters, and visible scour hole influence basin is very big.The erosion corrosion meeting directly causes the depth of water to change; Reduce the whole intrinsic frequency of unit; The hydrodynamic load that causes base support structure to receive increases, and the intensity of base support structure reduces, the electrode protection dope layer that long-term washing away simultaneously can be peeled off on the base support structure; Quicken the chemical attack process of base support structure, reduce the application life on offshore wind farm unit basis greatly.The protection hoop that technique scheme provides when actual installation, generally need be installed many root guards hoop on the pile 3 simultaneously; Rubber arc convex 2 on the adjacent two root guard hoops is crisscross arranged on pile 3 length directions; Current bump against after protection hoop goes up, can be along the Gap Flow between each rubber arc convex 2, and can be not directly do not move up and down along the outer wall straight line of pile 3; So just changed the motion mode of pile 3 outer wall place current; Reduced current to the washing away of sea bed, reduced the degree of depth and the diameter of scour hole, reducing the depth of water that causes because of scour hole degree of depth increase increases; So the hydrodynamic load that has also reduced to cause because of depth of water increase increases, and has reduced the destruction of hydrodynamic load to pile 3.
In order to prevent that seawater from entering into protection hoop inwall side along the slit between the two root guard hoops, the junction of two adjacent rubber strips 1 is coated with rubber adhesive.
The offshore wind farm unit basis that technique scheme provides; Can effectively prevent the corrosion of current, wave and tide to pile; Can also reduce the diameter and the degree of depth of scour hole; Under the prerequisite that does not change offshore wind farm unit basis seaway load intensity, effectively protected the base support structure of seawater wind-powered electricity generation unit, improved the safety of offshore wind farm unit basis operation.In addition, because the protection hoop is the rubber material, can effectively cushion the bump that pile receives on the offshore wind farm unit basis.
What should explain at last is: above each embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.
Claims (8)
1. an offshore wind farm unit basis comprises pile and the cushion cap that is supported by said pile, it is characterized in that, also comprises several protection hoops that said pile is positioned at the sea bed part that are used to coat; Every said protection hoop comprises rubber strip, and the said rubber strip of each root is sealed and coated on the outer wall of said pile along the length direction of said pile successively, and the said rubber strip of each root is fixing from beginning to end, is sealed and matched between two adjacent said rubber strips.
2. offshore wind farm unit according to claim 1 basis, it is characterized in that: every said protection hoop also comprises several rubber arc convex, each said rubber arc convex evenly be fixed on the said rubber strip and the protrusion direction unanimity outwardly.
3. offshore wind farm unit according to claim 2 basis, it is characterized in that: said rubber arc convex is hemisphere, segment or spherical crown.
4. according to claim 2 or 3 described offshore wind farm unit bases, it is characterized in that: said rubber arc convex is a hollow body, and sidewall thickness is not less than 5mm.
5. according to claim 2 or 3 described offshore wind farm units basis, it is characterized in that: said rubber strip is strip, the width of said rubber strip be said rubber arc convex sphere diameter 1.2-2 doubly.
6. offshore wind farm unit according to claim 4 basis; It is characterized in that: said rubber arc convex is arranged on said rubber strip middle part along its length, and the centre of sphere spacing between two adjacent said rubber arc convex be said rubber arc convex sphere diameter 1.2-2 doubly.
7. offshore wind farm unit according to claim 2 basis is characterized in that: the rubber arc convex on two adjacent said protection hoops is crisscross arranged on the length direction of said pile.
8. offshore wind farm unit according to claim 2 basis, it is characterized in that: the junction of two adjacent said rubber strips is coated with rubber adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201063201U CN202500162U (en) | 2012-03-20 | 2012-03-20 | Offshore wind generation set foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201063201U CN202500162U (en) | 2012-03-20 | 2012-03-20 | Offshore wind generation set foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202500162U true CN202500162U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201063201U Expired - Lifetime CN202500162U (en) | 2012-03-20 | 2012-03-20 | Offshore wind generation set foundation |
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| CN (1) | CN202500162U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195057A (en) * | 2013-03-27 | 2013-07-10 | 天津市市政工程设计研究院 | Bridge substructure capable of preventing corrosion of high-concentration salt solution and construction method thereof |
| CN104213586B (en) * | 2014-09-18 | 2016-08-24 | 东南大学 | A kind of pile foundation scour safeguard procedures method |
| CN108005066A (en) * | 2017-11-21 | 2018-05-08 | 烟台大学 | Offshore pile erosion resistant coating |
| CN108824358A (en) * | 2018-06-12 | 2018-11-16 | 长乐智睿恒创节能科技有限责任公司 | A kind of hydraulic engineering flood control case |
| CN111520287A (en) * | 2020-04-21 | 2020-08-11 | 蒋经伟 | Offshore wind power device applied to regions with abundant tidal energy |
| CN112145367A (en) * | 2019-06-28 | 2020-12-29 | 北京金风科创风电设备有限公司 | Vortex-induced vibration suppression device and method and offshore wind generating set |
| CN113718825A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power foundation with turbulence net |
| CN113718842A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power multi-pile foundation |
| CN113774964A (en) * | 2021-09-16 | 2021-12-10 | 盛东如东海上风力发电有限责任公司 | Offshore wind power anti-scouring device with energy dissipation nail |
| CN114045865A (en) * | 2021-09-16 | 2022-02-15 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power anti-scouring device with energy dissipation strip |
| CN114045858A (en) * | 2021-09-16 | 2022-02-15 | 盛东如东海上风力发电有限责任公司 | Offshore wind power suction cylinder foundation with turbulence nails |
-
2012
- 2012-03-20 CN CN2012201063201U patent/CN202500162U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195057A (en) * | 2013-03-27 | 2013-07-10 | 天津市市政工程设计研究院 | Bridge substructure capable of preventing corrosion of high-concentration salt solution and construction method thereof |
| CN103195057B (en) * | 2013-03-27 | 2015-04-22 | 天津市市政工程设计研究院 | Bridge substructure capable of preventing corrosion of high-concentration salt solution and construction method thereof |
| CN104213586B (en) * | 2014-09-18 | 2016-08-24 | 东南大学 | A kind of pile foundation scour safeguard procedures method |
| CN108005066A (en) * | 2017-11-21 | 2018-05-08 | 烟台大学 | Offshore pile erosion resistant coating |
| CN108824358A (en) * | 2018-06-12 | 2018-11-16 | 长乐智睿恒创节能科技有限责任公司 | A kind of hydraulic engineering flood control case |
| CN112145367A (en) * | 2019-06-28 | 2020-12-29 | 北京金风科创风电设备有限公司 | Vortex-induced vibration suppression device and method and offshore wind generating set |
| CN112145367B (en) * | 2019-06-28 | 2022-09-23 | 北京金风科创风电设备有限公司 | Vortex-induced vibration suppression device and method and offshore wind generating set |
| CN111520287A (en) * | 2020-04-21 | 2020-08-11 | 蒋经伟 | Offshore wind power device applied to regions with abundant tidal energy |
| CN111520287B (en) * | 2020-04-21 | 2021-07-23 | 杭州翔毅科技有限公司 | Offshore wind power device applied to regions with abundant tidal energy |
| CN113718825A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power foundation with turbulence net |
| CN113718842A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power multi-pile foundation |
| CN113774964A (en) * | 2021-09-16 | 2021-12-10 | 盛东如东海上风力发电有限责任公司 | Offshore wind power anti-scouring device with energy dissipation nail |
| CN114045865A (en) * | 2021-09-16 | 2022-02-15 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power anti-scouring device with energy dissipation strip |
| CN114045858A (en) * | 2021-09-16 | 2022-02-15 | 盛东如东海上风力发电有限责任公司 | Offshore wind power suction cylinder foundation with turbulence nails |
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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: 20121024 |