CN202323978U - Base components for offshore wind power set installation - Google Patents
Base components for offshore wind power set installation Download PDFInfo
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- CN202323978U CN202323978U CN2011205097838U CN201120509783U CN202323978U CN 202323978 U CN202323978 U CN 202323978U CN 2011205097838 U CN2011205097838 U CN 2011205097838U CN 201120509783 U CN201120509783 U CN 201120509783U CN 202323978 U CN202323978 U CN 202323978U
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Abstract
The utility model discloses base components for offshore wind power set installation, which comprises a main pile and at least one auxiliary pile arranged in parallel with the main pile. a transition section is fixedly connected to the top of the main pile, a flange for connecting a tower is arranged on the top of the transition section; guide pipes are fixedly connected to the auxiliary piles, and inclined supporting rods are fixedly connected between the transition section and each of the guide pipes. The base components for the offshore wind power set installation can solve problems of large construction difficulty, long construction period and high construction cost caused by the huge pile diameter, large weight and low rigidity of single pile base of high-power offshore wind power set, and develop mature design and construction experience of existing offshore wind power set single pile base.
Description
Technical field
The utility model relates to the foundation construction technology that a kind of offshore set-up is installed, and relates in particular to a kind of offshore wind farm unit infrastructure component is installed.
Background technology
Wind energy is a kind of non-pollution of renewable energy, and is inexhaustible, nexhaustible.Along with the requirement of demands for energy and ecological environment, the exploitation of this new forms of energy receives people's attention just day by day.The land wind-powered electricity generation has problems such as floor space is big, noise pollution, and wind energy on the sea as a kind of wind energy of new model have that turbulence intensity is little, cardinal wind is stablized, economize the land resource, wind energy steadily, advantages such as noiselessness and view pollution.Therefore much having the country that enriches wind energy on the sea has begun to greatly develop offshore wind farm.The important component part that the infrastructure component of wind-powered electricity generation unit is built as marine wind electric field needs advanced technology as support.The infrastructure component of offshore wind generating group has single pile, tripod, jacket, gravity type foundation, negative pressure barrel base and buoyant foundation; These different offshore wind farm unit infrastructure components each have different pluses and minuses; Wherein the single pile infrastructure component is used the most extensive; Account for all offshore wind farm base forms more than 90%; It is also abundant that single pile Base Design, construction and unit are installed the experience that is accumulated, but along with the increase of the wind-powered electricity generation unit capacity and the depth of water, the maximum offshore wind farm unit basis pattern of this application can not adapt to the needs of offshore wind farm development gradually.
Mostly the structural shape of the offshore wind farm unit infrastructure component that has built up in the world is single pile basis, but along with the continuous increase of the wind-driven generator pool-size and the depth of water, single pile can not be satisfied the demand gradually.Because there is following defective on the single pile basis: for the wind-driven generator more than the 5MW, the stake footpath on single pile basis will reach 7 meters, and especially under relatively poor sea bed edaphic condition, the stake footpath may be bigger; This will increase the pile foundation construction difficulty greatly, and the expense of construction equipment such as pile hammer also can increase; In addition, the weight on single pile basis will increase to 800～900 tons, even bigger, will increase pile foundation construction difficulty and construction period greatly, and the expense of construction equipment such as pile foundation lifting appliance and operation platform also can be increased sharply; The single pile basis is other pattern basis relatively, and its horizontal rigidity and bending rigidity are lower, can not satisfy the service requirement of high-power wind turbine unit.
The utility model content
The utility model provides a kind of offshore wind farm unit that infrastructure component is installed; Be used to overcome defective of the prior art; Solve in the prior art single pile foundation level rigidity and bending rigidity is all lower, difficulty of construction greatly, problems such as long construction period and operating expenses height; Through being improved, existing single pile basis realizes reducing enhanced level rigidity and bending rigidity difficulty of construction, shorten construction period and reduce operating expenses.
The offshore wind farm unit that the utility model provides is installed infrastructure component and is comprised king pile and at least one auxilliary stake, and said king pile top is fixedly connected with changeover portion; Be fixedly connected with conduit in the said auxilliary stake, all be fixedly connected with inclined support bar between said changeover portion and each the said conduit.
Wherein, said auxilliary stake is more than two and is arranged on around the said king pile, is fixedly connected with transverse supporting rod between the conduit in the two said auxilliary stakes of adjacent setting.
Further, said conduit, changeover portion, inclined support bar and transverse supporting rod are processed by metal material.
Particularly, said sheathed catheter is located at said auxilliary stake top, is fixedly connected between said pipe inner wall and the auxilliary outer wall.
Wherein, said king pile and auxilliary stake are cylindrical, and said changeover portion and conduit are cylindrical shape, and said changeover portion is provided with king pile is concentric, a said conduit and the concentric setting of auxilliary stake.
The offshore wind farm unit that the utility model proposes is installed infrastructure component; Can solve that the stake footpath that high-power offshore wind farm unit single pile basis exists is excessive, weight is excessive, the less caused difficulty of construction of rigidity is big, construction period is long and the more problem of operating expenses, and can bring into play ripe design and the construction experience in existing offshore wind farm unit single pile basis.
Description of drawings
Fig. 1 is the front view of the utility model embodiment one;
Fig. 2 is the perspective view of metal group weldment among the utility model embodiment one;
Fig. 3 is the front view of the utility model embodiment two;
Fig. 4 is the perspective view of metal group weldment among the utility model embodiment two.
The specific embodiment
Embodiment one
As shown in Figure 1, the utility model embodiment one provides a kind of offshore wind farm unit that infrastructure component is installed, and this installation infrastructure component comprises that king pile 1 is located at king pile 1 auxilliary stake 2 on every side with at least one, and king pile 1 all adopts steel concrete to build up with auxilliary stake 2; King pile 1 one ends place in the sea bed, are used for fixing on sea bed, and the other end stretches out the sea level; Auxilliary stake 2 laterally arranges with king pile 1, and an end places in the sea bed, is used for fixing on sea bed; The other end places sea level below, and therefore auxilliary stake 2 relative king piles 1 are shorter, auxilliary 2 also can be higher than king pile 1 or with king pile 1 height such as grade; Do not influence result of use at this, short here auxilliary stake 2 can meet the demands, and can reach result of use; Economical with materials, king pile 1 top is fixedly connected with changeover portion 3, and changeover portion 3 tops are provided with the flange 4 that is used to connect the tower tube; (conduit 5 can be set in the auxilliary stake 2 in the present embodiment, and conduit 5 is set in auxilliary stake 2 tops, is fixedly connected between conduit 5 inwalls and auxilliary 2 outer wall to be fixedly connected with conduit 5 in the auxilliary stake 2; Conduit 5 lower ends also can be fixedly connected with auxilliary stake 2 tops in addition), all be fixedly connected with inclined support bar 6 between changeover portion 3 and each conduit 5.The direction that is provided with of inclined support bar 6 does not have specific (special) requirements, and shown in Figure 1 is that the upper end of inclined support bar 6 is fixedly connected with changeover portion 3, and the lower end of inclined support bar 6 is fixedly connected with conduit 5; As long as the height of auxilliary stake 2 and conduit 5 meets the demands, when the conduit 5 of auxilliary stake 2 was higher than the changeover portion 3 of king pile 1, the upper end of inclined support bar 6 also can be fixedly connected with conduit 5, and the lower end of inclined support bar 6 is fixedly connected with changeover portion 3.
Above-mentioned structure; Through the inclined support bar 6 that is fixedly connected with auxilliary stake 2; The horizontal rigidity and the bending rigidity of king pile 1 have been strengthened; Relatively increase the cross-sectional area of king pile 1 in the prior art merely for the rigidity that increases king pile 1; Greatly reduce the cross-sectional area and the overall weight of king pile 1, can solve that the stake footpath that high-power offshore wind farm unit single pile basis exists is excessive, weight is excessive, the less caused difficulty of construction of rigidity is big, construction period is long and the more problem of operating expenses, and can bring into play ripe design, the construction experience in existing offshore wind farm unit single pile basis.
As the preferred implementation of present embodiment, changeover portion 3, conduit 5 and bearing diagonal 6 are metal material and process, between changeover portion 3 and the king pile 1 and conduit 5 with auxilliary 2 between all be connected through grouted solid; All adopt welding between inclined support bar 6 and the changeover portion 3 and between inclined support bar 6 and the conduit 5.In manufacturing process, can at first on sea bed, preset king pile 1 and assist stake 2, preset the metal group weldment in processing plant, as shown in Figure 2, promptly difference welding transition section 3 and conduit 5 at inclined support bar 6 two ends are installed in group welding piece king pile 1 and assist in the stake 2 again.Relatively all adopt reinforced concrete structure to be convenient to construction.
Embodiment two
As shown in Figure 3, on the basis of the foregoing description, auxilliary stake 2 is (to be two more than two among this embodiment; Can also be many, can be according to geological condition and stressing conditions adjustment, conduit and auxiliary pile are according to the corresponding adjustment of steel pipe diagonal brace quantity) and be arranged on around the king pile 1; Be fixedly connected with transverse supporting rod between the conduit 5 in the two auxilliary stakes 2 of adjacent setting; Preferably adopt horizontal support bar 7, be used to strengthen the horizontal rigidity of auxilliary stake 2, thereby further strengthen the horizontal rigidity of king pile 1.Horizontal support bar 7 is processed by metal material.Metal group weldment in that processing plant presets is as shown in Figure 4, and promptly the end at two inclined support bars 6 welds conduit 5 respectively, and the other end of these two inclined support bars 6 is welded on respectively on the changeover portion 3, and horizontal support bar 7 two ends are welded on respectively between the two auxilliary stakes 2; King pile 1 and auxilliary stake 2 are cylindrical, and changeover portion 3 is cylindrical shape with conduit 5, changeover portion 3 and king pile 1 concentric setting, and conduit 5 and auxilliary 2 a concentric setting are convenient to regulate installation accuracy.
The king pile stake of this structural shape footpath is less, can reduce the pile foundation construction difficulty or pile foundation also can smooth construction under relatively poor sea bed edaphic condition.Device range such as available pile hammer are wider, and expense is lower.Reduce the king pile basis weight, reduce pile foundation construction difficulty and construction period greatly, the expense of construction equipment such as pile foundation lifting appliance and operation platform is lower.This structure can improve the horizontal rigidity and the bending rigidity of king pile, satisfies the service requirement of high-power wind turbine unit.The single pile basis generally is applicable to 0～20 meter depth of water, and the basis of this structural shape also can be suitable in 30 meters or darker marine site.The existing mature experience in single pile basis can used in the basis of this structural shape aspect design, construction and the unit installation.
What should explain at last is: above 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 previous 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, and perhaps part technical characterictic wherein is 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 (5)
1. an offshore wind farm unit is installed infrastructure component, comprises king pile, it is characterized in that, also comprises at least one auxilliary stake, and said king pile top is fixedly connected with changeover portion; Be fixedly connected with conduit in the said auxilliary stake, all be fixedly connected with inclined support bar between said changeover portion and each the said conduit.
2. offshore wind farm unit according to claim 1 is installed infrastructure component, it is characterized in that, said auxilliary stake is more than two and is arranged on around the said king pile, is fixedly connected with transverse supporting rod between the conduit in the two said auxilliary stakes of adjacent setting.
3. offshore wind farm unit according to claim 2 is installed infrastructure component, it is characterized in that said conduit, changeover portion, inclined support bar and transverse supporting rod are processed by metal material.
4. according to the arbitrary described offshore wind farm unit of claim 1-3 infrastructure component is installed, is it is characterized in that, said sheathed catheter is located at said auxilliary stake top, is fixedly connected between said pipe inner wall and the auxilliary outer wall.
5. offshore wind farm unit according to claim 4 is installed infrastructure component, it is characterized in that, said king pile and auxilliary stake are cylindrical, and said changeover portion and conduit are cylindrical shape, and said changeover portion is provided with king pile is concentric, said conduit and the concentric setting of auxilliary stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205097838U CN202323978U (en) | 2011-12-08 | 2011-12-08 | Base components for offshore wind power set installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205097838U CN202323978U (en) | 2011-12-08 | 2011-12-08 | Base components for offshore wind power set installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202323978U true CN202323978U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205097838U Expired - Lifetime CN202323978U (en) | 2011-12-08 | 2011-12-08 | Base components for offshore wind power set installation |
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| CN (1) | CN202323978U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852156A (en) * | 2012-08-01 | 2013-01-02 | 天津大学 | Composite pile foundation structure |
| CN102852154A (en) * | 2012-08-01 | 2013-01-02 | 天津大学 | Composite pile foundation |
| CN102852155A (en) * | 2012-08-01 | 2013-01-02 | 天津大学 | Composite pile foundation |
| CN103161174A (en) * | 2011-12-08 | 2013-06-19 | 华锐风电科技(集团)股份有限公司 | Offshore wind turbine generator set installation fundamental assembly |
| CN103276743A (en) * | 2013-05-31 | 2013-09-04 | 天津大学 | Inhaul cable type multi-pile cylindrical foundation composite structure and construction method thereof |
| CN103276744A (en) * | 2013-05-31 | 2013-09-04 | 天津大学 | Inhaul cable type multi-pile-aiding single-pile wind power foundation and construction method thereof |
| CN103290859A (en) * | 2013-05-31 | 2013-09-11 | 天津大学 | Guyed flanged multi-auxiliary-single-pile wind power foundation and construction method thereof |
| CN103953055A (en) * | 2014-04-21 | 2014-07-30 | 广东明阳风电产业集团有限公司 | Offshore wind power generator set waterborne four-pile foundation |
| CN113818476A (en) * | 2021-10-11 | 2021-12-21 | 太原理工大学 | Foundation component for offshore wind power generation and construction method thereof |
-
2011
- 2011-12-08 CN CN2011205097838U patent/CN202323978U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161174A (en) * | 2011-12-08 | 2013-06-19 | 华锐风电科技(集团)股份有限公司 | Offshore wind turbine generator set installation fundamental assembly |
| CN102852156A (en) * | 2012-08-01 | 2013-01-02 | 天津大学 | Composite pile foundation structure |
| CN102852154A (en) * | 2012-08-01 | 2013-01-02 | 天津大学 | Composite pile foundation |
| CN102852155A (en) * | 2012-08-01 | 2013-01-02 | 天津大学 | Composite pile foundation |
| CN103276743A (en) * | 2013-05-31 | 2013-09-04 | 天津大学 | Inhaul cable type multi-pile cylindrical foundation composite structure and construction method thereof |
| CN103276744A (en) * | 2013-05-31 | 2013-09-04 | 天津大学 | Inhaul cable type multi-pile-aiding single-pile wind power foundation and construction method thereof |
| CN103290859A (en) * | 2013-05-31 | 2013-09-11 | 天津大学 | Guyed flanged multi-auxiliary-single-pile wind power foundation and construction method thereof |
| CN103953055A (en) * | 2014-04-21 | 2014-07-30 | 广东明阳风电产业集团有限公司 | Offshore wind power generator set waterborne four-pile foundation |
| CN113818476A (en) * | 2021-10-11 | 2021-12-21 | 太原理工大学 | Foundation component for offshore wind power generation and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |