CN205776314U - Foundation of wind-driven generator unit protection device and offshore wind turbine - Google Patents

Foundation of wind-driven generator unit protection device and offshore wind turbine Download PDF

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Publication number
CN205776314U
CN205776314U CN201620582855.4U CN201620582855U CN205776314U CN 205776314 U CN205776314 U CN 205776314U CN 201620582855 U CN201620582855 U CN 201620582855U CN 205776314 U CN205776314 U CN 205776314U
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China
Prior art keywords
wind
foundation
driven generator
generator unit
plinth course
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CN201620582855.4U
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Chinese (zh)
Inventor
李晔
张玉龙
亚娜
李荣富
张新刚
张竹
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Jiangsu Goldwind Science and Technology Co Ltd
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Jiangsu Goldwind Science and Technology Co Ltd
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Priority to CN201620582855.4U priority Critical patent/CN205776314U/en
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Abstract

This utility model provides a kind of foundation of wind-driven generator unit protection device and offshore wind turbine.This foundation of wind-driven generator unit protection device includes: plinth course, and plinth course includes the base unit that at least two is connected by corrosion-resistant connector, and base unit surrounds the escape groove on the basis dodging wind power generating set or dodges hole;Enhancement Layer, enhancement Layer be fixedly installed on plinth course away from escape groove or dodge on the outer in hole;Pressure sets portion, and the pressure portion of setting is pressed on plinth course.This foundation of wind-driven generator unit protection device is prevented from washing away, and low cost.

Description

Foundation of wind-driven generator unit protection device and offshore wind turbine
Technical field
This utility model relates to offshore wind energy plant field, particularly relates to a kind of foundation of wind-driven generator unit protection dress Put and offshore wind turbine.
Background technology
Wind power generating set is fast-developing new energy technology, and sea is enriched due to wind resource, made an uproar The restriction of sound, birds, electromagnetic wave etc. is less, is forming an emerging wind-power market.
Single-pile foundation type offshore wind turbine is the principal mode of offshore wind turbine.Oversea wind is sent out For the single-pile foundation of group of motors, under the effect of tide and ocean current, the basis soil body around can be washed, and forms round pool.Lead Cause the bearing capacity of pile reduction on basis, basic slope, directly influence safety and the service life of offshore wind turbine. Therefore, the protection against erosion on the basis of offshore wind turbine is a critically important problem.
Current protection against erosion measure mainly has:
Jackstone method, will load in wire mesh cage by stone, then sinks to basis around, stops current to soil near basis Washing away of body.But increasing over time, wire mesh cage can occur corrosion failure, and stone also can be washed away by current, and then reduces Protection against erosion effect.In order to ensure protection against erosion effect, this method needs periodic maintenance, adds operation cost.
Increasing driving depth, the degree of depth that will basic bury increases, and so can cause more infrastructure cost and be constructed into This.
Shed concrete, will shed around basis by concrete, the soil near basis after concrete setting, can be protected Body, but to ensure in useful life, wash away the basis not expanding to wind power generating set, the concrete area of needs is relatively big, becomes This is high.
Utility model content
Embodiment of the present utility model provides a kind of foundation of wind-driven generator unit protection device and offshore wind turbine, To solve the problem that the silt around the basis of offshore wind turbine is easily flushed away.
For reaching above-mentioned purpose, embodiment of the present utility model provides a kind of foundation of wind-driven generator unit protection device, its Including: plinth course, plinth course includes the base unit that at least two is connected by corrosion-resistant connector, and base unit surrounds dodges Wind power generating set basis escape groove or dodge hole;Enhancement Layer, enhancement Layer be fixedly installed on plinth course away from escape groove Or dodge on the outer in hole;Pressure sets portion, and the pressure portion of setting is pressed on plinth course.
Further, enhancement Layer includes receiving member and the implant being filled in receiving member.
Further, implant is for filling sand.
Further, enhancement Layer includes girder steel.
Further, the pressure portion of setting includes that multiple stone, multiple stone pressures set and covering base layer.
Further, base unit is tire.
Further, corrosion-resistant connector is hawser or iron chains.
According to another aspect of the present utility model, it is provided that a kind of offshore wind turbine, it includes basis and is arranged on The foundation of wind-driven generator unit protection device of the periphery on basis, foundation of wind-driven generator unit protection device is above-mentioned wind-power electricity generation Crew base protection device.
Further, plinth course is divided lobe layer to constitute by two or more bases, and each base divides lobe layer to be respectively provided with to keep away Allow groove, and each base divides lobe layer to be successively set on the periphery on basis along the circumference on basis.
Further, each base divides lobe layer for sector.
The foundation of wind-driven generator unit protection device of embodiment of the present utility model can soil near immobilizing foundation, anti- Only seawater scouring, and then ensure the bearing strength on basis, enhancement Layer is able to ensure that plinth course settles smoothly, prevents plinth course simultaneously Edge tilts, it is ensured that protection against erosion effect.
Accompanying drawing explanation
Fig. 1 is foundation of wind-driven generator unit protection device and the structural representation of basis cooperation of embodiment of the present utility model Figure;
Fig. 2 is the partial enlarged drawing in Fig. 1 at B;
Fig. 3 is the structural representation of the plinth course of the foundation of wind-driven generator unit protection device of embodiment of the present utility model Figure;
Fig. 4 is the partial enlarged drawing in Fig. 3 at A;
Fig. 5 is the structural representation of the foundation of wind-driven generator unit protection device of embodiment of the present utility model.
Description of reference numerals:
1, basis;2, pressure sets portion;21, stone;3, plinth course;31, base unit;32, corrosion-resistant connector;33, dodge Groove;4, enhancement Layer;41, implant;5, sea bed.
Detailed description of the invention
Foundation of wind-driven generator unit protection device and Oversea wind to this utility model embodiment are sent out below in conjunction with the accompanying drawings Group of motors is described in detail.
As depicted in figs. 1 and 2, according to embodiment of the present utility model, foundation of wind-driven generator unit protection device includes the end Seat layer 3, enhancement Layer 4 and pressure set portion 2.Wherein, plinth course 3 includes that at least two passes through the base list that corrosion-resistant connector 32 connects Unit 31, base unit 31 surrounds the escape groove 33 on the basis 1 dodging wind power generating set or dodges hole.Enhancement Layer 4 is fixedly installed Plinth course 3 away from escape groove 33 or dodge on the outer in hole, for strengthening the structure of plinth course 3, prevent its edge from tilting, And guarantee protection against erosion effect.Pressure sets portion 2 and is pressed on plinth course 3 so that plinth course 3 can be securely fixed in need to be protected The periphery on basis 1, and slow down sea water silt is washed away.
In the present embodiment, the application of foundation of wind-driven generator unit protection device and the foundation protection of offshore wind turbine In, it is to avoid under the effect of tide and ocean current, the soil body around basis 1 forms the bearing capacity of pile fall that round pool causes because washing away The problems such as low, basic slope.Guarantee safety and the service life of offshore wind generating.Reach enhancing protection against erosion effect, It is easy to safeguard and reduce the effect of cost, improves offshore wind turbine protection against erosion technology.
Two or more base units 31 of plinth course 3 are connected by corrosion-resistant connector 32 so that plinth course 3 Decay resistance more preferable, and then be able to ensure that the service life of foundation of wind-driven generator unit protection device, it is to avoid tie up frequently Protect, reduce maintenance cost.The pressure that base unit 31 can be fixed thereon sets portion 2, prevents that pressure sets portion 2 and washes away.Escape groove 33 or Dodge 1 headspace based on hole is, it is ensured that plinth course 3 preferably can coordinate with basis 1.
As shown in Figures 3 to 5, in the present embodiment, base unit 31 is tire.The resistance to corrosion seawater of tire is good, and It has through hole 311, it is possible to preferably fixes pressure and sets portion 2.Additionally, tire can select the junked tire scrapped, it is achieved Twice laid, reduces cost, protects environment.
Certainly, in other embodiments, base unit 31 can be the framework of other shapes that other materials is made, example As, the rectangular frame etc. of aluminium.Aluminium good corrosion resistance, and low cost.Certainly, base unit 31 is not necessarily the frame of Guan Bi Type, it is also possible to be " recessed " type, or inc triangle etc., press, as long as having to fix, the hole setting portion 2.
Corrosion-resistant connector 32 is hawser or iron chains.Hawser and iron chains etc. have good resistance to corrosion seawater, can be true Protect service life, and then ensure that plinth course 3 has good protection against erosion effect during wind power generating set uses, it is to avoid frequently Numerous maintenance, reduces cost.
When utilizing hawser or iron chains to be connected by tire, first the radial direction along tire is punched on tire, by hawser or iron chains from Hole passes, so that multiple tires are coupled together.The similar netted structure of multiple tires composition of plinth course 3, to ensure base The intensity of layer 3.
Enhancement Layer 4 includes receiving member and the implant 41 being filled in receiving member.Enhancement Layer 4 is bundled in base by iron chains etc. The outside (away from escape groove 33 or the side of dodging hole) of layer 3, for preventing the edge of plinth course 3 from tilting, and then prevents sea water Wash away the soil layer under plinth course 3.Enhancement Layer 4 can be also used for strengthen plinth course 3 weight so that plinth course 3 can smoothly under Heavy.
The receiving member of enhancement Layer 4 can be corrosion resistant Nylon Bag etc..Implant 41 can be to fill sand, or other building Waste material.So can reduce cost, and realize twice laid.
Certainly, enhancement Layer 4 can include girder steel, and girder steel is bound on plinth course 3 by iron chains etc..
Pressure sets portion 2 and includes that multiple stone 21, multiple stones 21 pressure set and covering base layer 3.It is pressed on the end by stone 21 The weight of stone 21 can be utilized on seat layer 3 to make plinth course 3 be securely fixed in week on basis 1 of offshore wind turbine Enclosing, the gap between through hole 311 and the tire of the tire of plinth course 3 can fix stone 21 effectively simultaneously, prevents sea water Washed away.Scrambling due to stone 21 itself so that interlaced between multilamellar stone 21 interfix, and then can Preferably protection against erosion.
According to another aspect of the present utility model, it is provided that a kind of offshore wind turbine, it includes basis 1 and is arranged on The foundation of wind-driven generator unit protection device of the periphery on basis 1, the wind-force that foundation of wind-driven generator unit protection device is above-mentioned is sent out Group of motors basis protection device.Using above-mentioned foundation of wind-driven generator unit protection device, its plinth course 3 is containing hole, permissible Protecting rubble thereon, prevent from being flushed away, can also be detained the silt rolled by eddy current simultaneously, suppression is washed away.The master of plinth course 3 Material can use junked tire, it is possible to reduces cost.The enhancement Layer 4 that plinth course 3 edge is arranged, can wash away in this place After, enhancement Layer 4 sinks naturally, prevents from washing away diffusion.Enhancement Layer 4 can ensure that plinth course 3 sinks under water smoothly simultaneously, conveniently executes Work.
Preferably, for the ease of construction, plinth course 3 is divided lobe layer to constitute by two or more bases, and each base divides Lobe layer is respectively provided with escape groove 33, and each base divides the circumference on basis, lobe layer edge 1 to be successively set on the periphery on basis 1.So executing Man-hour, it is only necessary to sedimentation base divides lobe layer and enhancement Layer 4 in precalculated position, then sheds stone 21, it is not necessary to underwater performance, also Without accurate operation, making construction cost lower, the engineering time is shorter.
Each base divides lobe layer for sector, is so more beneficial for covering basis 1 around.Certainly, base divides the shape of lobe layer Can be other shape, such as rectangle, polygon etc..As long as guaranteeing that multiple bases of sedimentation divide lobe layer to be respectively positioned on around basis 1 i.e. Can, it is not necessary to require that each base divides gapless between lobe layer, as long as gap is the most excessive.
When foundation protection, near basis 1, sink to plinth course 3 and enhancement Layer 4 around basis 1.Plinth course 3 sinks to Weight (such as stone 21).
Protection against erosion process is as follows:
After at sea wind power generating set carries out basis piling construction, make base the most on the coast and divide lobe layer, i.e. use Tire is connected into face by iron chains, and disposes strip sandbag to form enhancement Layer 4 in outer ring.At least two can be used around basis 1 The base dividing semicircle divides lobe layer, and its periphery is fitted with sandbag.In the present embodiment, use four fan-shaped bases and divide lobe Layer, forms the circular base around single-pile foundation 1 after laying.
Plinth course 3 is laid on the sea bed 5 of (about 20 meters) near basis 1.
The pressure throwing broken stone 21 the similar dome-type of formation or spheroid shape on plinth course 3 sets portion 2.
So can ensure that the silt of plinth course less than 3 will not be flushed away.The internal space existed of plinth course 3 is to stone simultaneously Block 21 also plays fixation, enhances the effect of protection against erosion.
It addition, in plinth course 3 outer edge area, current are stopped by plinth course 3 outer rim, are easily formed turbulent flow, cause local Wash away.But the sandbag connected in plinth course 3 surrounding, can naturally sink after local scour is formed, prevent adding of erosion damage Acute.
Foundation of wind-driven generator unit protection device of the present utility model has the effect that
Its protection against erosion is effective, and low cost of manufacture, increase only the expense of plinth course, and plinth course can use garbage As material, the most easy to maintenance, when washing away more serious, suitably increase jackstone.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to In this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in change Or replace, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described power The protection domain that profit requires is as the criterion.

Claims (10)

1. a foundation of wind-driven generator unit protection device, it is characterised in that including:
Plinth course (3), described plinth course (3) includes that at least two passes through the base unit that corrosion-resistant connector (32) connects (31), described base unit (31) surrounds the escape groove (33) on the basis (1) dodging wind power generating set or dodges hole;
Enhancement Layer (4), described enhancement Layer (4) be fixedly installed on described plinth course (3) away from described escape groove (33) or described Dodge on the outer in hole;
Pressure sets portion (2), and described pressure sets portion (2) and is pressed on described plinth course (3).
Foundation of wind-driven generator unit protection device the most according to claim 1, it is characterised in that described enhancement Layer (4) wraps Include receiving member and the implant (41) being filled in described receiving member.
Foundation of wind-driven generator unit protection device the most according to claim 2, it is characterised in that described implant (41) is Fill sand.
Foundation of wind-driven generator unit protection device the most according to claim 1, it is characterised in that described enhancement Layer (4) wraps Include girder steel.
Foundation of wind-driven generator unit protection device the most according to claim 1, it is characterised in that described pressure sets portion (2) bag Including multiple stone (21), the plurality of stone (21) pressure sets and covers described plinth course (3).
Foundation of wind-driven generator unit protection device the most according to claim 1, it is characterised in that described base unit (31) For tire.
Foundation of wind-driven generator unit protection device the most according to any one of claim 1 to 6, it is characterised in that described Corrosion-resistant connector (32) is hawser or iron chains.
8. an offshore wind turbine, it is characterised in that include basis (1) and be arranged on the periphery on described basis (1) Foundation of wind-driven generator unit protection device, described foundation of wind-driven generator unit protection device is institute any one of claim 1 to 7 The foundation of wind-driven generator unit protection device stated.
Wind power generating set the most according to claim 8, it is characterised in that described plinth course (3) by two or two with On base divide lobe layer to constitute, each described base divides lobe layer to be respectively provided with escape groove (33), and each described base divides lobe layer along described The circumference on basis (1) is successively set on the periphery of described basis (1).
Wind power generating set the most according to claim 9, it is characterised in that each described base divides lobe layer for sector.
CN201620582855.4U 2016-06-13 2016-06-13 Foundation of wind-driven generator unit protection device and offshore wind turbine Active CN205776314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620582855.4U CN205776314U (en) 2016-06-13 2016-06-13 Foundation of wind-driven generator unit protection device and offshore wind turbine

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110056013A (en) * 2018-04-19 2019-07-26 湖南工程学院 A kind of Anti-scouring device of offshore wind farm pile foundation
CN110144977A (en) * 2019-05-21 2019-08-20 中国能源建设集团广东省电力设计研究院有限公司 Applied to the Anti-scouring structure and its installation method on single-pile foundation
CN111827340A (en) * 2019-08-19 2020-10-27 中国铁建港航局集团有限公司 Underwater supporting device, offshore equipment and installation method of underwater supporting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110056013A (en) * 2018-04-19 2019-07-26 湖南工程学院 A kind of Anti-scouring device of offshore wind farm pile foundation
CN110056013B (en) * 2018-04-19 2020-10-23 湖南工程学院 Scour prevention device for offshore wind power pile foundation
CN110144977A (en) * 2019-05-21 2019-08-20 中国能源建设集团广东省电力设计研究院有限公司 Applied to the Anti-scouring structure and its installation method on single-pile foundation
CN111827340A (en) * 2019-08-19 2020-10-27 中国铁建港航局集团有限公司 Underwater supporting device, offshore equipment and installation method of underwater supporting device

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