CN108589755B - Offshore wind power generation anti-scouring device - Google Patents
Offshore wind power generation anti-scouring device Download PDFInfo
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- CN108589755B CN108589755B CN201810328155.6A CN201810328155A CN108589755B CN 108589755 B CN108589755 B CN 108589755B CN 201810328155 A CN201810328155 A CN 201810328155A CN 108589755 B CN108589755 B CN 108589755B
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- sand
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses an offshore wind power generation anti-scouring device which comprises a foundation layer, wherein a pile mouth groove is formed in the top of the foundation layer, a cylindrical sand quilt body is fixed in the pile mouth groove, the cylindrical sand quilt body is of a hollow structure, a steel pipe column is fixedly sleeved in the cylindrical sand quilt body, a square sand quilt body is laid on the top of the foundation layer, an attached cloth is connected between the square sand quilt body and the cylindrical sand quilt body and is in a frustum shape, an elastic piece is installed on the attached cloth, an abrasive belt is embedded in the top of the foundation layer and positioned on the outer side of the cylindrical sand quilt body, the cylindrical sand quilt body and the square sand quilt body are both composed of sand units, each sand unit comprises a sand cover and a sand bottom, the sand cover and the sand bottom are connected through a seam, and the sand bottom comprises a first reinforcing rib belt and a reinforcing sling. Through three-level protection, the invention can more effectively relieve the impact on the steel pipe column caused by seabed torrent, greatly reduce the impact force, prolong the protection period and play a role in preventing scouring.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation devices, in particular to an offshore wind power generation anti-scouring device.
Background
Wind power generation is the fastest-developing green energy technology in the world, and people have noticed some limitations on land wind energy utilization, such as large occupied area, noise pollution and the like, while land wind power plant construction is rapidly developed. Due to the abundant wind energy resources at sea and the feasibility of the current technology, the sea becomes a rapidly-developing wind power market. The wind farm is already in the fore of large-scale development in europe and the united states. The sea area of the east coastal water depth of China within 50m is vast and is very close to a power load center (a coastal economically developed power shortage area), and with the mature development of offshore wind farm technology, wind power can certainly become an important energy source for sustainable development of the east coastal area of China.
The pile foundation of wind power generation receives the impact of sea water easily in use, has produced the problem that corrodes easily for a long time, causes the pile foundation unstability even topples over, consequently need protect the pile foundation in order to reduce the scouring of sea water to the pile foundation.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an offshore wind power generation anti-scouring device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an offshore wind power generation anti-scouring device comprises a foundation layer, wherein a pile mouth groove is formed in the top of the foundation layer, a cylindrical sand quilt body is fixed in the pile mouth groove and is of a hollow structure, a steel pipe column is fixedly sleeved in the cylindrical sand quilt body, a square sand quilt body is laid at the top of the foundation layer, an attached cloth is connected between the square sand quilt body and the cylindrical sand quilt body and is of a frustum shape, an elastic part is installed on the attached cloth, a sand bag is embedded in the top of the foundation layer and positioned on the outer side of the cylindrical sand quilt body, the cylindrical sand quilt body and the square sand quilt body are both formed by sand unit elements, the sand unit elements are connected through sewing, the sand unit elements comprise a sand cover and a sand bottom, the sand cover and the sand bottom are connected through sewing, the sand bottom comprises a first reinforcing strip and a reinforcing hanging strip, the first reinforcing strip is square, and a reinforcing strip is installed on the first reinforcing strip, the reinforced hanging strip is strip-shaped, the sand cover comprises a second reinforced belt, sand washing cuffs and a water outlet, the second reinforced belt is square, the second reinforced belt is provided with the sand washing cuffs and the water outlet, and the water outlet is provided with two water outlets.
Preferably, the bottom end of the steel pipe column is fixedly mounted with the foundation layer.
Preferably, the elastic member includes rubber and a spring, and the spring is externally wrapped with the rubber.
Preferably, the side edge of the top end of the cylindrical sand quilt body is fixed with hooks, and the hooks are arranged in a circumferential array around the axis of the cylindrical sand quilt body.
The sand quilt is formed by combining a cover and a bottom, is a whole body and is divided into a plurality of separated bodies, each bin is mutually independent and is mutually connected to form an integral structure, each area is equal to the cover, the bottom surface is combined by a reinforced belt and a reinforced hanging strip and a cloth cover, the reinforced belt, the sand washing cuff and the water outlet are arranged on the bottom surface, the semi-finished product is sewn with the bottom to form the whole body, and the plurality of bodies are spliced together to form the whole body. The sewing thread is a terylene high-strength thread, and the sewing equipment adopts a new generation industrial sewing machine and is additionally provided with a synchronizer, so that the sewing thread is firmer and more beautiful.
When the sand quilt is besieged on a river, rubbing, marking and cutting are carried out on site according to the design requirements of drawings, an electric hot knife is adopted in a cutting mode, hot cutting is carried out, and the problem that the quality of products is affected by the silk scattering condition generated in the cutting process of cloth is avoided.
The sewing requirement is required to be strictly sewn according to a standard production mode, double-seam double-thread and interval backstitch are adopted to enable the reinforcement belt to be completely attached to the cloth, meanwhile, the reinforcing cloth blocks are placed around each bin body, fishing net-shaped drainage is carried out, and the lifting safety of the sand quilt is ensured.
When the sand quilt is spliced to form a whole, a 1000 g% special strong auxiliary cloth is sewn at the round cut-out face opening of the sand quilt, the auxiliary cloth is cylindrical with the height of three meters and the diameter of six meters, and the cylindrical pile foundation is protected in an all-round mode.
The knife carries out hot cutting treatment, thereby avoiding the influence of the scattered filament condition generated in the cloth cutting process on the product quality.
The sewing requirement is required to be strictly sewn according to a standard production mode, double-seam double-thread and interval backstitch are adopted to enable the reinforcement belt to be completely attached to the cloth, meanwhile, the reinforcing cloth blocks are placed around each bin body, fishing net-shaped drainage is carried out, and the lifting safety of the sand quilt is ensured.
When the sand quilt is spliced to form a whole, a 1000 g% special strong auxiliary cloth is sewn at the round cut-out face opening of the sand quilt, the auxiliary cloth is cylindrical with the height of three meters and the diameter of six meters, and the cylindrical pile foundation is protected in an all-round mode.
Compared with the prior art, the invention has the beneficial effects that:
when seawater flows through the three-stage protection device, the three-stage protection is carried out on the steel pipe column through the square sand quilt body, the frustum-shaped attached cloth, the elastic piece on the attached cloth and the cylindrical sand quilt body, so that the impact on the steel pipe column caused by seabed torrent can be effectively relieved, the impact force is greatly reduced, the protection period is prolonged, and the anti-scouring effect is achieved.
Drawings
FIG. 1 is a cross-sectional view of an offshore wind power generation anti-scour apparatus in accordance with the present invention;
FIG. 2 is a schematic view of a connection structure of a sand cover and a sand bottom of the offshore wind power generation anti-scouring device provided by the invention;
FIG. 3 is a schematic structural diagram of a sand bottom of an offshore wind power generation anti-scouring device provided by the invention;
fig. 4 is a schematic structural diagram of a sand cover of an offshore wind power generation anti-scouring device provided by the invention.
In the figure: 1-ground base layer, 2-square sand quilt body, 3-sand bag, 4-cylindrical sand quilt body, 5-hook, 6-elastic piece, 7-steel pipe column, 81-first reinforced belt, 82-reinforced hanging belt, 83-second reinforced belt, 84-sand washing cuff, 85-water outlet and 9-attached cloth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an offshore wind power generation anti-scouring device comprises a foundation layer 1, a pile slot is formed in the top of the foundation layer 1, a cylindrical sand quilt body 4 is fixed in the pile slot, the cylindrical sand quilt body 4 is of a hollow structure, a steel pipe column 7 is fixedly sleeved in the cylindrical sand quilt body 4, a square sand quilt body 2 is laid on the top of the foundation layer 1, an additional cloth 9 is connected between the square sand quilt body 2 and the cylindrical sand quilt body 4, the additional cloth 9 is in a frustum shape, an elastic part 6 is installed on the additional cloth 9, a sand bag 3 is buried in the top of the foundation layer 1 and is positioned on the outer side of the cylindrical sand quilt body 4, the cylindrical sand quilt body 4 and the square sand quilt body 2 are formed by sand units, sand is sewn and connected between the sand units, each sand unit comprises a sand cover and a sand bottom, the sand cover and the sand bottom are connected through a seam, each sand bottom comprises a first reinforcing strip 81 and a reinforcing strip 82, each first reinforcing strip 81 is installed on each reinforcing strip 81, the reinforced hanging strip 82 is in a strip shape, the sand cover comprises a second reinforced belt 83, sand washing cuffs 84 and a water outlet 85, the second reinforced belt 83 is square, the second reinforced belt 83 is provided with the sand washing cuffs 84 and the water outlet 85, and the number of the water outlets 85 is two.
The bottom of steel-pipe column 7 and the fixed mounting of foundation 1, elastic component 6 includes rubber and spring, and the outside parcel of spring has rubber, and the top side of cylinder sand quilt body 4 is fixed with couple 5, and couple 5 is the circumference array about the axial lead of cylinder sand quilt body 4.
The working principle is as follows: cylindrical sand quilt body 4 carries out the first protection to inside steel-pipe column 7, frustum form attach cloth 9 and attach the elastic component 6 on cloth 9 and carry out the second protection to steel-pipe column 7, square sand quilt body 2 carries out the third protection to steel-pipe column 7, and like this, the sea water passes through square sand quilt body 2 when flowing through, frustum form attach cloth 9 and attach the elastic component 6 on cloth 9, cylindrical sand quilt body 4 carries out tertiary protection to steel-pipe column 7, can more effectually alleviate because of the impact of seabed torrent to steel-pipe column 7, alleviate the impact force greatly, the extension guard cycle, the scour prevention effect has been played.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Claims (4)
1. The offshore wind power generation anti-scouring device comprises a foundation layer (1) and is characterized in that a pile opening groove is formed in the top of the foundation layer (1), a cylindrical sand quilt body (4) is fixed in the pile opening groove, the cylindrical sand quilt body (4) is of a hollow structure, a steel pipe column (7) is fixedly sleeved in the cylindrical sand quilt body (4), a square sand quilt body (2) is laid on the top of the foundation layer (1), an attached cloth (9) is connected between the square sand quilt body (2) and the cylindrical sand quilt body (4), the attached cloth (9) is in a frustum shape, an elastic piece (6) is installed on the attached cloth (9), a sand bag (3) is filled in the top of the foundation layer (1) and located on the outer side of the cylindrical sand quilt body (4), the cylindrical sand quilt body (4) and the square sand quilt body (2) are both formed by sand quilt units, and the sand quilt units are sewn and connected, the sand unit includes at the bottom of sand lid and the sand, the sand lid is connected with the system of sewing up at the bottom of the sand, the sand is at the bottom of including first muscle area (81) and reinforcement suspender (82) add, first muscle area (81) of adding is square, install on first muscle area (81) of adding and add reinforcement suspender (82), it is the bar to add reinforcement suspender (82), the sand lid includes second muscle area (83), towards sand cuff (84) and outlet (85), second muscle area (83) are square, towards sand cuff (84) and outlet (85) have been seted up on second muscle area (83), outlet (85) are equipped with two.
2. An offshore wind power generation anti-scour arrangement according to claim 1, wherein the bottom end of the steel pipe column (7) is fixedly mounted to the foundation layer (1).
3. An offshore wind power generation erosion protection device according to claim 1, characterized in that said elastic member (6) comprises rubber and spring, the spring is externally wrapped with rubber.
4. An offshore wind power generation erosion prevention device according to claim 1, characterized in that hooks (5) are fixed to the top side of the cylindrical sand quilt body (4), and the hooks (5) are in a circumferential array around the axis of the cylindrical sand quilt body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810328155.6A CN108589755B (en) | 2018-04-11 | 2018-04-11 | Offshore wind power generation anti-scouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810328155.6A CN108589755B (en) | 2018-04-11 | 2018-04-11 | Offshore wind power generation anti-scouring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108589755A CN108589755A (en) | 2018-09-28 |
| CN108589755B true CN108589755B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810328155.6A Active CN108589755B (en) | 2018-04-11 | 2018-04-11 | Offshore wind power generation anti-scouring device |
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| CN (1) | CN108589755B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455958A (en) * | 2019-01-20 | 2020-07-28 | 中石化石油工程技术服务有限公司 | Flexible energy dissipation, flow guiding and anti-scouring device and application method |
| CN111493006B (en) * | 2020-04-22 | 2021-12-28 | 浙江大学 | Device for preventing basic scour by utilizing fishing net in offshore wind farm |
| CN114541484B (en) * | 2022-02-23 | 2023-05-12 | 中国长江三峡集团有限公司 | Scour prevention stone barrier device of pile foundation under water |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020089691A (en) * | 2001-05-23 | 2002-11-30 | 주식회사유신코퍼레이션 | The construction method of cassion basis using a coagulant |
| CN205205881U (en) * | 2015-11-06 | 2016-05-04 | 中国电建集团华东勘测设计研究院有限公司 | Marine wind power large diameter pile basis scour prevention sand quilt |
| CN106088084A (en) * | 2016-07-13 | 2016-11-09 | 温州华路交通建设工程有限公司 | A kind of reinforcement protection device of bridge pile foundation |
-
2018
- 2018-04-11 CN CN201810328155.6A patent/CN108589755B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020089691A (en) * | 2001-05-23 | 2002-11-30 | 주식회사유신코퍼레이션 | The construction method of cassion basis using a coagulant |
| CN205205881U (en) * | 2015-11-06 | 2016-05-04 | 中国电建集团华东勘测设计研究院有限公司 | Marine wind power large diameter pile basis scour prevention sand quilt |
| CN106088084A (en) * | 2016-07-13 | 2016-11-09 | 温州华路交通建设工程有限公司 | A kind of reinforcement protection device of bridge pile foundation |
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| Publication number | Publication date |
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| CN108589755A (en) | 2018-09-28 |
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