CN103161174A - Offshore wind turbine generator set installation fundamental assembly - Google Patents
Offshore wind turbine generator set installation fundamental assembly Download PDFInfo
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- CN103161174A CN103161174A CN2011104069163A CN201110406916A CN103161174A CN 103161174 A CN103161174 A CN 103161174A CN 2011104069163 A CN2011104069163 A CN 2011104069163A CN 201110406916 A CN201110406916 A CN 201110406916A CN 103161174 A CN103161174 A CN 103161174A
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Abstract
The invention provides an offshore wind turbine generator set installation fundamental assembly. The offshore wind turbine generator set installation fundamental assembly comprises a main pile and at least one auxiliary pile, wherein the auxiliary pile is parallel to the main pile. A transition segment is fixedly connected with the top of the main pile. A flange which is used for connecting a tower cylinder is installed on the top of the transition segment. The auxiliary pile is fixedly connected on a duct. An oblique supporting rod is fixedly connected between the transition segment and each duct. The offshore wind turbine generator set installation fundamental assembly solves the problems that construction difficulty is big, construction period is long and construction cost is high, wherein the problems are caused by the fact that pile diameter is too large, weight is too big and rigidity is small in high-power offshore wind turbine generator set single pile foundation. The offshore wind turbine generator set installation fundamental assembly exerts a mature design and construction experience of existing offshore wind unit single pile foundation.
Description
Technical field
The present invention relates to the foundation construction technology that a kind of offshore set-up is installed, relate in particular to a kind of base components for offshore wind power set installation.
Background technology
Wind energy is a kind of free of contamination regenerative resource, and is inexhaustible, nexhaustible.Along with the demand of the energy and the requirement of ecological environment, the exploitation of this new forms of energy is subject to people's attention just day by day.The land wind-powered electricity generation has the problems such as floor space is large, 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, the advantages such as noiselessness and landscape 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 turbine has single pile, tripod, jacket, gravity type foundation, bucket foundations and buoyant foundation, each own different pluses and minuses of these different offshore wind farm unit infrastructure components, wherein the single-pile foundation component application is the most extensive, account for all offshore wind power foundation forms more than 90%, the design of single-pile foundation, the experience that construction and unit installation accumulate is also abundant, but the increase along with wind turbine pool-size and the depth of water, the maximum basic pattern of offshore wind farm unit of this application can not adapt to the needs of offshore wind farm development gradually.
The structural shape of built offshore wind farm unit infrastructure component mostly is single-pile foundation in the world, but along with the continuous increase of wind-driven generator pool-size and the depth of water, single pile can not be satisfied the demand gradually.Because single-pile foundation has following defective: for the wind-driven generator more than 5MW, a footpath of single-pile foundation will reach 7 meters, and especially under relatively poor sea bed edaphic condition, a footpath may be larger; 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 of single-pile foundation will increase to 800～900 tons, and is even larger, will greatly increase pile foundation construction difficulty and construction period, and the expense of construction equipment such as pile foundation lifting appliance and operation platform also can be surged; Single-pile foundation other pattern relatively is basic, and its horizontal rigidity and bending rigidity are lower, can not satisfy the service requirement of high-power wind turbine unit.
Summary of the invention
The invention provides a kind of base components for offshore wind power set installation, be used for overcoming defective of the prior art, solve in prior art all lower, problems such as difficulty of construction large, long construction period and operating expenses height of single-pile foundation horizontal rigidity and bending rigidity, realize enhanced level rigidity and bending rigidity by existing single-pile foundation is improved, reduce difficulty of construction, shorten construction period and reduce operating expenses.
Base components for offshore wind power set installation provided by the invention comprises king pile and at least one auxiliary stake, and described king pile top is fixedly connected with changeover portion; Be fixedly connected with conduit in described auxiliary stake, all be fixedly connected with inclined support bar between described changeover portion and each described conduit.
The base components for offshore wind power set installation that the present invention proposes, the stake footpath that can solve that high-power single-pile foundation for offshore wind generation set exists is excessive, weight is excessive, the less caused difficulty of construction of rigidity is large, construction period is long and the more problem of operating expenses, and can bring into play design and the construction experience of existing single-pile foundation for offshore wind generation set maturation.
Description of drawings
Fig. 1 is the front view of the embodiment of the present invention one;
Fig. 2 is the perspective view of metal group weldment in the embodiment of the present invention one;
Fig. 3 is the front view of the embodiment of the present invention two;
Fig. 4 is the perspective view of metal group weldment in the embodiment of the present invention two.
The specific embodiment
Embodiment one
as shown in Figure 1, the embodiment of the present invention one provides a kind of base components for offshore wind power set installation, this installation infrastructure component comprises that king pile 1 and at least one are located at the auxiliary stake 2 around king pile 1, king pile 1 and auxiliary stake 2 all adopt steel concrete to build up, king pile 1 one ends are placed in sea bed, be used for being fixed on sea bed, the other end stretches out the sea level, auxiliary stake 2 be arranged in parallel with king pile 1, one end is placed in sea bed, be used for being fixed on sea bed, the other end is placed in the below, sea level, therefore auxiliary stake 2 relative king piles 1 are shorter, auxiliary stake 2 also can be higher than king pile 1 or contour with king pile 1, do not affect result of use at this, shorter auxiliary stake 2 here can meet the demands, and can reach result of use, economical with materials, king pile 1 top is fixedly connected with changeover portion 3, changeover portion 3 tops are provided with for the flange 4 that connects the tower cylinder, (in the present embodiment, conduit 5 can be set in auxiliary stake 2, and conduit 5 is set in auxiliary stake 2 tops, is fixedly connected with between conduit 5 inwalls and auxiliary 2 outer walls to be fixedly connected with conduit 5 in auxiliary stake 2, conduit 5 lower ends also can be fixedly connected with auxiliary stake 2 tops in addition), all be fixedly connected with inclined support bar 6 between changeover portion 3 and each conduit 5.The setting party of inclined support bar 6 Figure 1 shows that to there is no specific (special) requirements 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 auxiliary stake 2 and conduit 5 meets the demands, during higher than the changeover portion 3 of column 1, the upper end of inclined support bar 6 also can be fixedly connected with conduit 5 when the conduit 5 of auxiliary stake 2, and the lower end of inclined support bar 6 is fixedly connected with changeover portion 3.
above-mentioned structure, by with auxiliary stake 2 inclined support bars that are fixedly connected with 6, horizontal rigidity and the bending rigidity of king pile 1 have been strengthened, relatively increase merely the cross-sectional area of king pile 1 for the rigidity that increases king pile 1 in prior art, greatly reduce cross-sectional area and the overall weight of king pile 1, a footpath that can solve high-power single-pile foundation for offshore wind generation set existence is excessive, weight is excessive, the less caused difficulty of construction of rigidity is larger, construction period is length and the more problem of operating expenses, and can bring into play the design that has the single-pile foundation for offshore wind generation set maturation, construction experience.
As the preferred embodiment of the present embodiment, changeover portion 3, conduit 5 and bearing diagonal 6 are metal material and make, between changeover portion 3 and king pile 1 and conduit 5 with auxiliary 2 between all be fixedly connected with by grouting; All adopt welding between inclined support bar 6 and changeover portion 3 and between inclined support bar 6 and conduit 5.Can at first preset king pile 1 and auxiliary stake 2 in manufacturing process, preset the metal group weldment in processing plant on sea bed, as shown in Figure 2, be arranged in king pile 1 and auxiliary stake 2 namely at inclined support bar 6 two ends difference welding transition section 3 and conduits 5, then with group welding piece.Relatively all adopt the reinforced concrete structure constructability.
Embodiment two
As shown in Figure 3, on the basis of above-described embodiment, auxiliary stake 2 is (to be two more than two in 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 king pile 1, be fixedly connected with transverse supporting rod between conduit 5 in two auxiliary stakes 2 of adjacent setting, preferably adopt horizontal support bar 7, be used for strengthening the horizontal rigidity of auxiliary stake 2, thereby further strengthen the horizontal rigidity of king pile 1.Horizontal support bar 7 is made by metal material.The metal group weldment that presets in processing plant as shown in Figure 4, namely the end at two inclined support bars 6 welds respectively conduit 5, the other end of these two inclined support bars 6 is welded on respectively on changeover portion 3, horizontal support bar 7 two ends are welded on respectively between two auxiliary stakes 2; King pile 1 and auxiliary stake 2 are cylindrical, and changeover portion 3 and conduit 5 are cylindrical shape, changeover portion 3 and the concentric setting of king pile 1, and conduit 5 and auxiliary stake 2 concentric settings are convenient to regulate installation accuracy.
The king pile stake footpath of this structural shape is less, can reduce the pile foundation construction difficulty or pile foundation also can smooth construction under relatively poor sea bed edaphic condition.The equipment scopes such as available pile hammer are wider, and expense is lower.Reduce the king pile basis weight, greatly reduce pile foundation construction difficulty and construction period, the expense of construction equipment such as pile foundation lifting appliance and operation platform is lower.This structure can improve horizontal rigidity and the bending rigidity of king pile, satisfies the service requirement of high-power wind turbine unit.Single-pile foundation 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 of single-pile foundation can used aspect design, construction and unit installation in the basis of this structural shape.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (5)
1. a base components for offshore wind power set installation, comprise king pile, it is characterized in that, also comprises at least one auxiliary stake, and described king pile top is fixedly connected with changeover portion; Be fixedly connected with conduit in described auxiliary stake, all be fixedly connected with inclined support bar between described changeover portion and each described conduit.
2. base components for offshore wind power set installation according to claim 1, is characterized in that, described auxiliary stake is more than two and is arranged on around described king pile, is fixedly connected with transverse supporting rod between the conduit in two described auxiliary stakes of adjacent setting.
3. base components for offshore wind power set installation according to claim 2, is characterized in that, described conduit, changeover portion, inclined support bar and transverse supporting rod are made by metal material.
4. according to claim 1-3 arbitrary described base components for offshore wind power set installations, is characterized in that, described sheathed catheter is located at described auxiliary stake top, is fixedly connected with between described pipe inner wall and auxiliary outer wall.
5. base components for offshore wind power set installation according to claim 4, is characterized in that, described king pile and auxiliary stake are cylindrical, and described changeover portion and conduit are cylindrical shape, and described changeover portion arranges with king pile is concentric, described conduit and the concentric setting of auxiliary stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104069163A CN103161174A (en) | 2011-12-08 | 2011-12-08 | Offshore wind turbine generator set installation fundamental assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104069163A CN103161174A (en) | 2011-12-08 | 2011-12-08 | Offshore wind turbine generator set installation fundamental assembly |
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| CN103161174A true CN103161174A (en) | 2013-06-19 |
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| CN2011104069163A Pending CN103161174A (en) | 2011-12-08 | 2011-12-08 | Offshore wind turbine generator set installation fundamental assembly |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060625A (en) * | 2014-06-11 | 2014-09-24 | 河海大学 | Offshore wind power foundation adopting steel rods for connecting vertical pile and inclined piles |
| CN106013213A (en) * | 2016-07-25 | 2016-10-12 | 福建永福电力设计股份有限公司 | Offshore wind power pile foundation capable of increasing unit capacity and using method thereof |
| CN106120833A (en) * | 2016-08-24 | 2016-11-16 | 江西理工大学 | A kind of underground truss-like pile foundation and construction method thereof |
| CN106149745A (en) * | 2016-08-24 | 2016-11-23 | 江西理工大学 | A kind of truss type steel tube grouting pile basis and construction method thereof |
| CN106245668A (en) * | 2016-08-24 | 2016-12-21 | 江西理工大学 | A kind of truss-like pile foundation and construction method thereof |
| CN110282573A (en) * | 2019-07-10 | 2019-09-27 | 深圳市迈睿迈特环境科技有限公司 | Four column pulley lifting device of buried station with power bow |
| CN112554224A (en) * | 2020-12-10 | 2021-03-26 | 浙江大学 | Main and auxiliary combined pile foundation capable of being used in offshore wind turbine and construction method |
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| CN101876174A (en) * | 2009-04-29 | 2010-11-03 | 上海勘测设计研究院 | Foundation structure of marine wind electric field fan |
| CN202323978U (en) * | 2011-12-08 | 2012-07-11 | 华锐风电科技(集团)股份有限公司 | Base components for offshore wind power set installation |
| CN202390846U (en) * | 2011-11-28 | 2012-08-22 | 江苏海上龙源风力发电有限公司 | Single-pile foundation of wind generating set |
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Patent Citations (4)
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| CN200978431Y (en) * | 2006-12-13 | 2007-11-21 | 中国水利水电科学研究院 | Large-scale fan combined pile foundation adapted for silt layer seabed |
| CN101876174A (en) * | 2009-04-29 | 2010-11-03 | 上海勘测设计研究院 | Foundation structure of marine wind electric field fan |
| CN202390846U (en) * | 2011-11-28 | 2012-08-22 | 江苏海上龙源风力发电有限公司 | Single-pile foundation of wind generating set |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060625A (en) * | 2014-06-11 | 2014-09-24 | 河海大学 | Offshore wind power foundation adopting steel rods for connecting vertical pile and inclined piles |
| CN104060625B (en) * | 2014-06-11 | 2016-02-10 | 河海大学 | The offshore wind power foundation of the stake of a kind of steel pole vertical connecting and taper pile |
| CN106013213A (en) * | 2016-07-25 | 2016-10-12 | 福建永福电力设计股份有限公司 | Offshore wind power pile foundation capable of increasing unit capacity and using method thereof |
| CN106013213B (en) * | 2016-07-25 | 2018-05-25 | 福建永福电力设计股份有限公司 | A kind of offshore wind farm pile foundation and its application method for increasing single-machine capacity |
| CN106120833A (en) * | 2016-08-24 | 2016-11-16 | 江西理工大学 | A kind of underground truss-like pile foundation and construction method thereof |
| CN106149745A (en) * | 2016-08-24 | 2016-11-23 | 江西理工大学 | A kind of truss type steel tube grouting pile basis and construction method thereof |
| CN106245668A (en) * | 2016-08-24 | 2016-12-21 | 江西理工大学 | A kind of truss-like pile foundation and construction method thereof |
| CN110282573A (en) * | 2019-07-10 | 2019-09-27 | 深圳市迈睿迈特环境科技有限公司 | Four column pulley lifting device of buried station with power bow |
| CN110282573B (en) * | 2019-07-10 | 2023-10-03 | 深圳市迈睿迈特环境科技有限公司 | Four-column pulley lifting device with power bow for underground station |
| CN112554224A (en) * | 2020-12-10 | 2021-03-26 | 浙江大学 | Main and auxiliary combined pile foundation capable of being used in offshore wind turbine and construction method |
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Application publication date: 20130619 |