CN113152504A - Scour prevention system of offshore wind power pile foundation - Google Patents
Scour prevention system of offshore wind power pile foundation Download PDFInfo
- Publication number
- CN113152504A CN113152504A CN202110145641.6A CN202110145641A CN113152504A CN 113152504 A CN113152504 A CN 113152504A CN 202110145641 A CN202110145641 A CN 202110145641A CN 113152504 A CN113152504 A CN 113152504A
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- chassis
- wind power
- silt
- offshore wind
- power pile
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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
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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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
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Wind Motors (AREA)
- Foundations (AREA)
Abstract
The invention discloses an anti-scouring system of an offshore wind power pile foundation, which comprises a chassis, wherein anti-slip edge teeth are fixedly connected to the periphery of the bottom of the chassis at equal intervals, a flow guide mechanism is arranged at the top of the chassis, an installation mechanism is arranged at the top of the flow guide mechanism, and anti-loss mechanisms are arranged on two sides of the chassis respectively, and the anti-scouring system has the beneficial effects that: can carry out the water conservancy diversion to the sea water undercurrent through water conservancy diversion mechanism, make it upwards or flow downwards, thereby wash away or take away the silt at chassis top, thereby play the effect of clearance silt, prevent that silt from hoarding up and causing the corruption to the chassis, fix equipment on the seabed surface through being convenient for of installation mechanism better, prevent that equipment from rocking or breaking away from, be convenient for better consolidate silt near equipment seabed through preventing running off the mechanism, prevent that loose equipment that leads to of silt from rocking breaks away from, fashioned seaweed or other marine plants can also play the effect of sheltering from silt simultaneously, prevent silt from impacting the pile foundation, cause the effect of corrosive wear.
Description
Technical Field
The invention relates to the field of wind power generation, in particular to an anti-scouring system of an offshore wind power pile foundation.
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 support technology of the offshore wind turbine mainly comprises 2 types of bottom fixed support and suspension support. Wherein the fixed support in bottom has gravity caisson basis, the single pile basis, 3 kinds of modes on the tripod basis, but no matter which kind of fixed pile foundation can all bear the threat that receives undercurrent and silt and erode, the scour prevention system structure of current marine wind power pile foundation is comparatively single, because be in the inconvenient maintenance of seabed, the silt of piling up on the pile foundation is difficult to be cleared up, simultaneously also can't be better to the silt that the undercurrent carried blocks, the impaired serious of a time long pile foundation, wind power equipment collapses easily, cause economic serious loss.
Disclosure of Invention
The invention aims to provide an anti-scouring system of an offshore wind power pile foundation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-scouring system of an offshore wind power pile foundation comprises a chassis, anti-slip edge teeth are fixedly connected to the periphery of the bottom of the chassis at equal intervals, a flow guide mechanism is arranged at the top of the chassis, an installation mechanism is arranged at the top of the flow guide mechanism, and anti-loss mechanisms are arranged on two sides of the chassis;
the water conservancy diversion mechanism includes base, installation pole, first water conservancy diversion ring, second water conservancy diversion ring, vortex impeller, the fixedly connected with base of the positive center department in top on chassis, the top fixedly connected with installation pole of base, the outside bottom cover of installation pole is equipped with first water conservancy diversion ring, the outside middle part cover of installation pole is equipped with second water conservancy diversion ring, the outside of installation pole just is located and rotates between first water conservancy diversion ring and the second water conservancy diversion ring and is connected with the vortex impeller.
Preferably, installation mechanism includes mounting hole, connecting screw, buried sleeve, prevents moving back hood, auger, the top equidistance on chassis is dug there is three mounting hole, the top threaded connection of mounting hole has connecting screw, the bottom on chassis is equipped with three buried sleeve in advance, the equal fixedly connected with in buried sleeve's top prevents moving back the hood, buried sleeve's the outside fixedly connected with auger in advance, an anti-scouring system of marine wind power pile foundation runs through behind the chassis through connecting screw with buried sleeve threaded connection in advance so that an anti-scouring system of marine wind power pile foundation is fixed in on the seabed.
Preferably, the anti-loss mechanism includes that mounting panel, installation basin, picture peg, root extend the hole, the equal fixedly connected with mounting panel in both sides on chassis, the top equidistance of mounting panel is inlayed and is had the installation basin, the bottom of mounting panel and for being located the bilateral symmetry fixedly connected with picture peg of installation basin, the root has been seted up to the bottom of installation basin and has been extended the hole.
Preferably, the anti-slip edge teeth are of a triangular structure, and the radian of the outer edge is matched with that of the edge of the chassis.
Preferably, the base is of a circular truncated cone structure.
Preferably, the outer sides of the first guide ring and the second guide ring are both arc-shaped structures, and the first guide ring and the second guide ring are symmetrical structures relative to the turbulent flow impeller.
Preferably, the bottom of the embedded sleeve is of a conical structure.
Preferably, the inside of the mounting pot is planted with sea grass or other marine plants.
Preferably, the bottom of the mounting plate and the bottom of the chassis are located in the same horizontal plane.
Preferably, the top of the mounting rod is fixedly connected with a generator supporting rod.
Compared with the prior art, the invention has the beneficial effects that: can carry out the water conservancy diversion to the sea water undercurrent through water conservancy diversion mechanism, make it upwards or flow downwards, thereby wash away or take away the silt at chassis top, thereby play the effect of clearance silt, prevent that silt from hoarding up and causing the corruption to the chassis, fix equipment on the seabed surface through being convenient for of installation mechanism better, prevent that equipment from rocking or breaking away from, be convenient for better consolidate silt near equipment seabed through preventing running off the mechanism, prevent that loose equipment that leads to of silt from rocking breaks away from, fashioned seaweed or other marine plants can also play the effect of sheltering from silt simultaneously, prevent silt from impacting the pile foundation, cause the effect of corrosive wear.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic structural diagram of the anti-run-off mechanism of the present invention.
In the figure: 1-chassis, 2-anti-slip edge teeth, 3-flow guide mechanism, 31-base, 32-mounting rod, 33-first flow guide ring, 34-second flow guide ring, 35-turbulent flow impeller, 4-mounting mechanism, 41-mounting hole, 42-connecting screw, 43-embedded sleeve, 44-anti-withdrawal top cap, 45-packing auger, 5-anti-loss mechanism, 51-mounting plate, 52-mounting basin, 53-plug board, 54-root extension hole and 6-generator support rod.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an anti-scouring system of an offshore wind power pile foundation comprises a chassis 1, wherein the chassis 1 is attached to a seabed, anti-slip edge teeth 2 are fixedly connected to the periphery of the bottom of the chassis 1 at equal intervals, a circle of anti-slip edge teeth 2 on the edge of the bottom of the chassis 1 are bitten on the seabed, so that equipment can be prevented from sliding and displacing under the influence of water flow, a flow guide mechanism 3 is arranged at the top of the chassis 1, an installation mechanism 4 is arranged at the top of the flow guide mechanism 3, and anti-loss mechanisms 5 are arranged on two sides of the chassis 1;
the water conservancy diversion mechanism 3 includes base 31, installation pole 32, first water conservancy diversion ring 33, second water conservancy diversion ring 34, vortex impeller 35, the top positive center department fixedly connected with base 31 of chassis 1, the top fixedly connected with installation pole 32 of base 31, the outside bottom cover of installation pole 32 is equipped with first water conservancy diversion ring 33, the outside middle part cover of installation pole 32 is equipped with second water conservancy diversion ring 34, the outside of installation pole 32 just is located and rotates between first water conservancy diversion ring 33 and the second water conservancy diversion ring 34 and is connected with vortex impeller 35, as shown in figure 2, when the sea water undercurrent contacts vortex impeller 35, the electrified impeller 35 of sea water undercurrent rotates, changes the sea water vortex flow direction when vortex impeller 35 rotates, makes it upwards or the downward flow, when the sea water downward flow, through the water conservancy diversion and the diffusion of first water conservancy diversion ring 33, makes rivers flow around to chassis 1 top, and the silt on the top of the chassis 1 is washed away by the impact force of the water, so that the chassis 1 is prevented from being corroded by the accumulated silt, when the seawater flows upwards, the water pressure below the turbulence impeller 35 is smaller than that above, the silt is driven by the water flow to flow upwards and is guided by the second guide ring 34 to diffuse around the chassis 1, and the effect of clearing the silt is achieved.
Further, installation mechanism 4 includes mounting hole 41, connecting screw 42, embedded sleeve 43, prevents moving back hood 44, auger 45, the top equidistance division of chassis 1 has three mounting hole 41, the top threaded connection of mounting hole 41 has connecting screw 42, the bottom on chassis 1 is equipped with three embedded sleeve 43, the equal fixedly connected with in top of embedded sleeve 43 prevents moving back hood 44, the outside fixedly connected with auger 45 of embedded sleeve 43, an anti-scouring system of marine wind power pile foundation runs through behind the chassis 1 through connecting screw 42 with embedded sleeve 43 threaded connection so that an anti-scouring system of marine wind power pile foundation is fixed in on the seabed, through installation mechanism 4 be convenient for better fix equipment on the seabed surface, prevent that equipment from rocking or breaking away from.
Further, prevent that loss mechanism 5 includes mounting panel 51, installation basin 52, picture peg 53, root extension hole 54, the equal fixedly connected with mounting panel 51 in both sides of chassis 1, the top equidistance of mounting panel 51 is inlayed and is had installation basin 52, the bottom of mounting panel 51 and for the bilateral symmetry fixedly connected with picture peg 53 that is located installation basin 52, root extension hole 54 has been seted up to the bottom of installation basin 52, is convenient for better consolidate near equipment seabed silt through preventing loss mechanism 5, prevents that silt is loose to lead to equipment to rock and breaks away from.
Furthermore, the anti-slip edge teeth 2 are of a triangular structure, and the radian of the outer edge of the anti-slip edge teeth is matched with that of the edge of the chassis 1, so that the stability of the equipment is improved better.
Further, the base 31 is of a circular truncated cone structure, so that the function of auxiliary flow guiding is conveniently achieved.
Further, the outer sides of the first guide ring 33 and the second guide ring 34 are both arc-shaped structures, and the first guide ring 33 and the second guide ring 34 are symmetrical structures relative to the turbulent impeller 35, so that better flow guiding is facilitated.
Furthermore, the bottom of the embedded sleeve 43 is of a conical structure, so that the embedded sleeve can be conveniently and better installed on the surface of the seabed.
Further, the inside of installation basin 52 is planted there is seaweed or other marine plants, is convenient for better consolidate seabed silt through the plant rhizome, and fashioned seaweed or other marine plants can also play the effect of sheltering from silt simultaneously, prevent that silt from impacting the pile foundation, cause corrosive wear's effect.
Furthermore, the bottom of the mounting plate 51 and the bottom of the chassis 1 are located in the same horizontal plane, so that the structure of the equipment is optimized.
Further, the top of the mounting rod 32 is fixedly connected with a generator support rod 6 for mounting and supporting the top wind power generation equipment.
Specifically, during installation, the embedded sleeve 43 is rotatably installed at a specified position on a seabed, then the chassis 1 is settled above the embedded sleeve 43, the installation hole 41 is aligned with the embedded sleeve 43, then the embedded sleeve 43 is in threaded connection with the installation hole 41 through the connecting screw 42, and the equipment is fixed, when the equipment is used, as shown in fig. 2, when seawater undercurrent contacts the turbulent impeller 35, the turbulent impeller 35 with electrified seawater undercurrent rotates, the flow direction of the seawater is changed while the turbulent impeller 35 rotates, so that the seawater flows upwards or downwards, when the seawater flows downwards, the water flows to the periphery of the top of the chassis 1 through the diversion and diffusion of the first diversion ring 33, silt at the top of the chassis 1 is washed away by the impact force of the water, the silt accumulated on the chassis 1 is prevented from being corroded, when the seawater flows upwards, the water pressure below the turbulent impeller 35 is smaller than the upper part, rivers drive silt and upwards flow, and spread all around to chassis 1 through the water conservancy diversion of second water conservancy diversion ring 34, thereby play the effect of clearance silt, the top equidistance of mounting panel 51 is inlayed and is had installation basin 52, root extension hole 54 has been seted up to the bottom of installation basin 52, the inside planting of installation basin 52 has seaweed or other marine plants, can consolidate the seabed silt in extending to the silt on the seabed through root extension hole 54 after the plant rhizome is grown, prevent that the loose equipment that leads to silt from rocking to break away from, fashioned seaweed or other marine plants can also play the effect of sheltering from silt simultaneously, prevent silt impact pile foundation, cause corrosive wear's effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An anti-scouring system of an offshore wind power pile foundation comprises a chassis (1) and is characterized in that anti-slip edge teeth (2) are fixedly connected to the periphery of the bottom of the chassis (1) at equal intervals, a flow guide mechanism (3) is arranged at the top of the chassis (1), an installation mechanism (4) is arranged at the top of the flow guide mechanism (3), and anti-loss mechanisms (5) are arranged on two sides of the chassis (1);
flow guide mechanism (3) include base (31), installation pole (32), first water conservancy diversion ring (33), second water conservancy diversion ring (34), vortex impeller (35), fixedly connected with base (31) is located to the positive center in top on chassis (1), the top fixedly connected with installation pole (32) of base (31), the outside bottom cover of installation pole (32) is equipped with first water conservancy diversion ring (33), the outside middle part cover of installation pole (32) is equipped with second water conservancy diversion ring (34), the outside of installation pole (32) just is located and rotates between first water conservancy diversion ring (33) and second water conservancy diversion ring (34) and is connected with impeller (35).
2. An anti-scouring system for offshore wind power pile foundations according to claim 1, characterized in that: installation mechanism (4) include mounting hole (41), connecting screw (42), buried sleeve (43), prevent moving back hood (44), auger (45), the top equidistance of chassis (1) is dug has three mounting hole (41), the top threaded connection of mounting hole (41) has connecting screw (42), the bottom on chassis (1) is equipped with three buried sleeve (43) in advance, the equal fixedly connected with in top of buried sleeve (43) prevents moving back hood (44), the outside fixedly connected with auger (45) of buried sleeve (43) in advance, the scour prevention system of marine wind power pile foundation runs through behind chassis (1) through connecting screw (42) with buried sleeve (43) threaded connection so that the scour prevention system of marine wind power pile foundation is fixed in on the seabed.
3. An anti-scouring system for offshore wind power pile foundations according to claim 1, characterized in that: prevent running off mechanism (5) and include mounting panel (51), installation basin (52), picture peg (53), root extension hole (54), the equal fixedly connected with mounting panel (51) in both sides on chassis (1), the top equidistance of mounting panel (51) is inlayed and is had installation basin (52), the bottom of mounting panel (51) and for the bilateral symmetry fixedly connected with picture peg (53) that are located installation basin (52), root extension hole (54) have been seted up to the bottom of installation basin (52).
4. An anti-scouring system for offshore wind power pile foundations according to claim 1, characterized in that: the anti-slip edge teeth (2) are of a triangular structure, and the radian of the outer edge of the anti-slip edge teeth is matched with that of the edge of the chassis (1).
5. An anti-scouring system for offshore wind power pile foundations according to claim 1, characterized in that: the base (31) is of a circular truncated cone structure.
6. An anti-scouring system for offshore wind power pile foundations according to claim 1, characterized in that: the outer sides of the first guide ring (33) and the second guide ring (34) are both arc-shaped structures, and the first guide ring (33) and the second guide ring (34) are symmetrical structures relative to the turbulent flow impeller (35).
7. An anti-scouring system for offshore wind power pile foundations according to claim 2, characterized in that: the bottom of the embedded sleeve (43) is of a conical structure.
8. An anti-scouring system for offshore wind power pile foundations according to claim 3, characterized in that: sea grass or other marine plants are planted inside the mounting pot (52).
9. An anti-scouring system for offshore wind power pile foundations according to claim 3, characterized in that: the bottom of the mounting plate (51) and the bottom of the chassis (1) are positioned in the same horizontal plane.
10. An anti-scouring system for offshore wind power pile foundations according to claim 1, characterized in that: the top of the mounting rod (32) is fixedly connected with a generator supporting rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110145641.6A CN113152504A (en) | 2021-02-02 | 2021-02-02 | Scour prevention system of offshore wind power pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110145641.6A CN113152504A (en) | 2021-02-02 | 2021-02-02 | Scour prevention system of offshore wind power pile foundation |
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| Publication Number | Publication Date |
|---|---|
| CN113152504A true CN113152504A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110145641.6A Pending CN113152504A (en) | 2021-02-02 | 2021-02-02 | Scour prevention system of offshore wind power pile foundation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217144A (en) * | 2022-07-06 | 2022-10-21 | 江苏天能海洋重工有限公司 | Multifunctional stable offshore wind power generation foundation pile |
| CN115316259A (en) * | 2022-09-05 | 2022-11-11 | 中国长江三峡集团有限公司 | Seaweed scouring protection device and seaweed planting method around pile foundation |
| CN115419118A (en) * | 2022-09-30 | 2022-12-02 | 武汉理工大学 | Offshore pile foundation anti-scouring device and installation method thereof |
| CN115450820A (en) * | 2022-10-13 | 2022-12-09 | 上海能源科技发展有限公司 | Offshore wind power pile foundation anti-scouring device and method considering wake effect |
-
2021
- 2021-02-02 CN CN202110145641.6A patent/CN113152504A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217144A (en) * | 2022-07-06 | 2022-10-21 | 江苏天能海洋重工有限公司 | Multifunctional stable offshore wind power generation foundation pile |
| CN115217144B (en) * | 2022-07-06 | 2023-12-26 | 江苏天能海洋重工有限公司 | Multi-functional stable offshore wind power generation foundation pile |
| CN115316259A (en) * | 2022-09-05 | 2022-11-11 | 中国长江三峡集团有限公司 | Seaweed scouring protection device and seaweed planting method around pile foundation |
| CN115419118A (en) * | 2022-09-30 | 2022-12-02 | 武汉理工大学 | Offshore pile foundation anti-scouring device and installation method thereof |
| CN115419118B (en) * | 2022-09-30 | 2024-01-16 | 武汉理工大学 | Offshore pile foundation scour prevention device and installation method thereof |
| CN115450820A (en) * | 2022-10-13 | 2022-12-09 | 上海能源科技发展有限公司 | Offshore wind power pile foundation anti-scouring device and method considering wake effect |
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