CN117513247A - Scour prevention device for offshore wind power pile foundation and installation method of scour prevention device - Google Patents
Scour prevention device for offshore wind power pile foundation and installation method of scour prevention device Download PDFInfo
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- CN117513247A CN117513247A CN202311757110.8A CN202311757110A CN117513247A CN 117513247 A CN117513247 A CN 117513247A CN 202311757110 A CN202311757110 A CN 202311757110A CN 117513247 A CN117513247 A CN 117513247A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title abstract description 25
- 230000002265 prevention Effects 0.000 title description 8
- 238000009991 scouring Methods 0.000 claims abstract description 63
- 230000000712 assembly Effects 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 34
- 238000010276 construction Methods 0.000 description 8
- 230000009189 diving Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Foundations (AREA)
Abstract
The invention relates to an anti-scouring device of an offshore wind power pile foundation and an installation method of the anti-scouring device. The anti-scouring net consisting of the tire component and the rope is arranged around the wind power pile foundation to play a role in fixing the polished layer. Because the tire component is embedded in the polished stone layer, the scouring effect of ocean currents on the polished stone layer can be weakened, the phenomenon that the polished stone is displaced under the scouring of ocean currents to generate a pit is avoided, and the stability of a wind power pile foundation is ensured.
Description
Technical Field
The invention relates to the technical field of offshore wind power equipment, in particular to an anti-scouring device of an offshore wind power pile foundation and an installation method of the anti-scouring device.
Background
With the continuous development of offshore wind power generation technology, the installed capacity of offshore wind turbines is increased year by year. Referring to FIG. 1, the offshore wind turbine mainly comprises a base 1', a rod body 2', wind power blades, a generator set and the like, wherein the base 1 'and the rod body 2' form a wind power pile foundation. The wind power blades and the generator set are arranged on the rod body 2' of the wind power pile foundation. The base 1 'is arranged on the seabed, a layer of riprap layer 3' is buried on the base 1', and the bottom of the wind power pile foundation is buried in the riprap layer 3', so that the wind power pile foundation mounting stability is improved. However, the presence of wind pile foundation affects the peripheral flow field to create strong turbulence and eddies. Under the local scouring action of the surrounding ocean currents, the polished layer 3 'is caused to generate a pit 4'. Along with the continuous increase of the number and the continuous increase of the size of the pit 4', the loss of the polished layer 3' is serious, and the installation stability of the whole wind power pile foundation is threatened.
Disclosure of Invention
The invention aims to provide an anti-scouring device and an anti-scouring device installation method for an offshore wind power pile foundation, which have high reliability, can improve the installation stability of the wind power pile foundation and have high installation efficiency.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pair of scour protection of marine wind power pile foundation, including being the scour protection net of ring form, scour protection net is used for inlaying to establish in the riprap layer around wind power pile foundation, scour protection net includes a plurality of tire subassembly and a plurality of rope, a plurality of tire subassembly interval distribution, and adjacent two pass through between the tire subassembly the rope is connected, the tire subassembly is including concentric big tire and the little tire that sets up, the little tire is located in the big tire, the big tire with connect fixedly through the connecting piece between the little tire.
Further, the connecting piece comprises a screw rod, a nut and a mounting ring, one end of the screw rod is fixedly connected with the mounting ring, the other end of the screw rod is used for mounting the nut, the screw rod penetrates through the large tire and the small tire, the mounting ring is located on one side of an outer ring of the large tire, the nut is located on one side of an inner ring of the small tire, and the mounting ring is used for being connected with the rope.
Further, a lock hook is arranged at the end part of the rope, and the lock hook is hung with the mounting ring.
Further, along the circumferential direction of the anti-scour net, two adjacent tire assemblies are connected through the ropes;
along the radial direction of the anti-scouring net, two adjacent tire components are connected through the ropes.
Further, part of the small tires are filled with concrete.
Further, the wind power pile foundation structure further comprises a positioning ring, wherein the positioning ring is sleeved on the wind power pile foundation, and one side of the inner ring of the anti-scouring net is fixedly connected with the positioning ring.
Further, the tire components are divided into a plurality of tire subgroups, each tire subgroup comprises a plurality of tire components, the tire subgroups are distributed at intervals along the radial direction of the wind power pile foundation, and the tire components in each tire subgroup are distributed at intervals along the circumferential direction of the wind power pile foundation.
Further, the rope is a steel wire, an iron chain or a nylon rope.
The anti-scour device installation method is used for installing the anti-scour device of the offshore wind power pile foundation, and comprises the following steps:
s10, dividing an anti-scouring net into a plurality of net blocks along the circumferential direction of a wind power pile foundation, and completing the assembly of each net block on land;
s20, conveying a plurality of net blocks to the sea surface by utilizing a plurality of ships, wherein the ships uniformly surround the periphery of the wind power pile foundation, and connecting and fixing two adjacent net blocks;
s30, sinking one end of an inner ring of the anti-scour net into the sea bottom along the height direction of the wind power pile foundation, and then driving the ship to move towards the direction deviating from the wind power pile foundation so that the anti-scour net sequentially sinks into the sea bottom from one end of the inner ring to one end of the outer ring;
and S40, stacking a riprap on the anti-scouring net to form a riprap layer, and embedding the anti-scouring net in the riprap layer.
Further, a pull rope is provided, one end of the pull rope is connected with the ship, the other end of the pull rope is detachably connected with one end of an outer ring of the anti-scouring net, in the sinking process of one end of the outer ring of the anti-scouring net, the pull rope is utilized to apply pulling force away from the wind power pile foundation direction to the anti-scouring net, and when one end of the outer ring of the anti-scouring net is close to the sea floor, the pull rope and the anti-scouring net are disconnected.
Compared with the prior art, the invention has the beneficial effects that:
according to the anti-scouring device and the anti-scouring device installation method for the offshore wind power pile foundation, the anti-scouring net consisting of the tire component and the rope is arranged around the wind power pile foundation, so that the effect of fixing the polished layer is achieved. Because the tire component is embedded in the polished stone layer, the scouring effect of ocean currents on the polished stone layer can be weakened, the phenomenon that the polished stone is displaced under the scouring of ocean currents to generate a pit is avoided, and the stability of a wind power pile foundation is ensured. Through forming the network structure with a plurality of tire components and rope, the scour protection net can wholly directly sink into the seabed from the sea to accomplish the installation construction, avoids the submarine diving construction, and installation effectiveness is high. Simultaneously, the tire component comprises a large tire and a small tire which are concentrically arranged, so that the porosity of the whole anti-scouring net is reduced, the anti-scouring performance is improved, and the tire component has the characteristic of high reliability.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a wind pile foundation installation in the prior art.
FIG. 2 is a schematic diagram of an anti-scour apparatus for offshore wind turbine foundations according to an embodiment of the present invention.
FIG. 3 is a schematic view of a tire assembly according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of an anti-scour device for offshore wind turbine piles during installation according to an embodiment of the present invention.
In fig. 1:
1', a base; 2', a rod body; 3', a polished layer; 4', pit punching.
Fig. 2 to 4:
1. an anti-scour net; 11. a tire assembly; 111. a large tire; 112. a small tire; 113. a screw; 114. a mounting ring; 115. a nut; 12. a rope; 2. a positioning ring; 3. a base; 4. a rod body; 5. a mounting groove; 6. a watercraft; 7. and (5) pulling the rope.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.
As shown in fig. 2 to 4, the anti-scouring device (hereinafter referred to as anti-scouring device) of the offshore wind power pile foundation provided by the invention is used for being installed together with the wind power pile foundation in a matching way so as to play a role in improving the installation stability of the wind power pile foundation. The wind power pile foundation is used for installing wind power blades, generating sets and the like, the wind power pile foundation is installed on a seabed, the wind power pile foundation comprises a base 3 and a rod body 4, the base 3 is fixedly connected with the bottom end of the rod body 4, and the wind power blades are installed at the top end of the rod body 4. The seabed is provided with a mounting groove 5, and the base 3 is arranged in the mounting groove 5. The installation groove 5 is filled with a riprap to form a riprap layer, the bottom of the wind power pile foundation is buried in the riprap layer, and pressure is applied to the wind power pile foundation by using the riprap layer so as to ensure the installation stability of the wind power pile foundation.
The anti-scouring device comprises an anti-scouring net 1, wherein the anti-scouring net 1 is of a circular ring structure, and the anti-scouring net 1 surrounds the periphery of a rod body 4 of the wind power pile foundation. The anti-scour net 1 is sleeved on the periphery of the rod body 4, and one side of the outer ring of the anti-scour net 1 extends towards the direction deviating from the rod body 4, so that the whole anti-scour net 1 is paved on the seabed. The anti-scour net 1 comprises a number of tire assemblies 11 and a number of ropes 12. The tire assemblies 11 are distributed on the seabed at intervals, and the tire assemblies 11 can be distributed in a rectangular array, a circular array or an irregular array. Two adjacent tire assemblies 11 are connected by a rope 12 so that the tire assemblies 11 and the rope 12 form a net structure. After the anti-scouring net 1 is installed, a stone throwing layer is formed by backfilling around the wind power pile foundation, the stone throwing layer can be filled in meshes of the anti-scouring net 1, and the top surface of the stone throwing layer is not lower than the top surface of the anti-scouring net 1, so that the anti-scouring net 1 is embedded in the stone throwing layer. In the running process, the tire component 11 is embedded in the stone throwing layer, so that the tire component 11 can weaken the scouring action of ocean currents on the stone throwing layer, the phenomenon that the stone throwing is displaced under the scouring of seawater to generate a pit is avoided, the anti-scouring action on the stone throwing layer is further realized, and the stability of a wind power pile foundation is ensured.
The tire assembly 11 includes a large tire 111, a small tire 112. The diameter of the large tire 111 is larger than the diameter of the small tire 112. The large tire 111 and the small tire 112 are concentrically arranged, and the small tire 112 is located inside the large tire 111. The large tire 111 and the small tire 112 are fixedly connected through a connecting piece. It will be appreciated that both the large tires 111 and the small tires 112 are scrap tires to reduce costs and increase waste utilization. The tire assembly 11 is formed by matching the large tire 111 with the small tire 112, so that the porosity of the whole anti-scouring net 1 is reduced, the volume ratio of the whole anti-scouring net 1 in the polished layer is improved, and the anti-scouring performance is improved. The connecting member plays a role in mounting and fixing the large tire 111 and the small tire 112, and includes a screw 113, a mounting ring 114, and a nut 115. One end of the screw 113 is connected to the mounting ring 114, and the other end is provided with threads that mate with the nut 115. The nut 115 is screwed with the screw 113. When mounted, the screw 113 passes through both the large tire 111 and the small tire 112, and one end of the screw 113 having the mounting ring 114 abuts against the outer ring side of the large tire 111, i.e., the mounting ring 114 is located on the outer ring side of the large tire 111. The nut 115 abuts against the inner ring side of the small tire 112, i.e., the nut 115 is located on the inner ring side of the small tire 112. The plurality of connecting pieces are distributed at intervals along the circumferential direction of the tire assembly 11. Of course, in other embodiments, shims may also be provided between the nut 115 and the small tire 112 to promote installation stability.
The mounting ring 114 is a metal ring structure for connection with the cord 12. Correspondingly, the end part of the rope 12 is provided with a lock hook, and the lock hook is used for being connected with the mounting ring 114 in a hanging way, so that the rope 12 is connected with the tire assembly 11, and the installation is convenient. Of course, in other embodiments, the cord 12 may be directly strapped to the mounting ring 114. In this embodiment, the rope 12 is a steel wire, an iron chain, or a nylon rope.
Alternatively, referring to fig. 2, adjacent two tire assemblies 11 are connected by a rope 12 in the circumferential direction of the anti-scour net 1. And, along the radial direction of the anti-scour net 1, two adjacent tire assemblies 11 are connected by a rope 12. This structure makes it possible to obtain a restriction of the tensile force in two directions perpendicular to each other on the tire assembly 11, that is, the tire assembly 11 is subjected to the tensile force in the radial direction and the circumferential direction of the anti-scour net 1, preventing the tire assembly 11 from being moved by the scour of sea water. Correspondingly, several tire assemblies 11 are divided into a plurality of tire subgroups, each tire subgroup comprising a plurality of tire assemblies 11. I.e. the whole anti-scour net 1 comprises a plurality of tire subgroups. The tire subgroups are distributed at intervals along the radial direction of the wind power pile foundation, namely, the tire subgroups are distributed in a concentric circle mode. The plurality of tire assemblies 11 in each tire team are spaced apart along the circumference of the wind pile foundation.
Alternatively, in order to increase the self weight of the tire assembly 11, to avoid levitation, deflection, etc. of the tire assembly 11 in the ocean current, the small tires 112 of a portion of the tire assembly 11 are filled with concrete. This structure can increase the weight of the tire assembly 11 itself and can promote sinking of the entire anti-scour net 1 at the time of installation. The number of lower concrete filled tires 112 may be flexibly selected depending on the particular buoyancy level of the tire assembly 11.
Optionally, referring to fig. 4, the anti-scour apparatus further comprises a positioning ring 2. The positioning ring 2 is of a circular ring structure, the positioning ring 2 is sleeved on the rod body 4 of the wind power pile foundation, and one side of the inner ring of the anti-scouring net 1 is fixedly connected with the positioning ring 2. Specifically, one side of the inner ring of the scour protection net 1 is fixedly connected with the positioning ring 2 through a rope 12. The positioning ring 2 plays a role in installing and positioning the scour protection net 1.
Optionally, the anti-scour apparatus comprises a plurality of anti-scour nets 1, the plurality of anti-scour nets 1 being stacked in a vertical direction. The number of the layers of the scour prevention net 1 can be adaptively designed according to the thickness of the polished stone layer. When the thickness of the polished layer is larger, a plurality of layers of scour protection nets 1 can be arranged; when the thickness of the polishing layer is small, a single-layer scour prevention net 1 can be arranged. The aim is to increase the number of tyre components 11 distributed in the rubble layer and to increase the anti-scour effect.
A method of installing the anti-scour apparatus is also provided for installing the anti-scour apparatus. The method specifically comprises the following steps:
and S10, dividing the anti-scouring net 1 into a plurality of net blocks along the circumferential direction of the wind power pile foundation, and completing the assembly of each net block on land. In particular, the anti-scour net 1 can be divided into four to eight net blocks in the shape of sectors. First, the large tire 111 and the small tire 112 are assembled by a connector to form the tire assembly 11, and then the plurality of tire assemblies 11 are connected by the rope 12 to form a plurality of net blocks.
Step S20, a plurality of net blocks are transported to the sea surface by the plurality of ships 6, respectively. The number of vessels 6 is the same as the number of net blocks, one net block being carried by each vessel 6. A plurality of vessels 6 are evenly around the circumference of the wind pile foundation. And then connecting and fixing two adjacent net blocks. The assembly of adjacent net blocks is carried out on the sea surface. Specifically, the end of the rope 12 is provided with a latch hook, and the latch hook is used to hook the mounting ring 114 in the tire assembly 11, so that the operation is convenient.
Step S30, one end of an inner ring of the anti-scour net 1 is first penetrated into the seabed along the height direction of the wind power pile foundation, and then the ship 6 is driven to move towards the direction deviating from the wind power pile foundation, so that the anti-scour net 1 is sequentially sunk into the seabed from one end of the inner ring to one end of the outer ring. Specifically, one end of the inner ring of the anti-scour net 1 is provided with a positioning ring 2. The positioning ring 2 is sleeved on the rod body 4, and then one end of the inner ring of the anti-scouring net 1 is connected and fixed with the positioning ring 2 through a rope 12. The positioning ring 2 can sink along the height direction of the rod body 4. It will be appreciated that the tire assembly 11 has a large buoyancy, and the entire anti-scour net 1 floats during the sinking process in the sea, so that the tire assembly 11 cannot sink in the vertical direction, and finally the anti-scour net 1 cannot be spread flatly. If the scour protection 1 is not spread out smoothly, a diving operation is required. When the anti-scour net 1 is installed, one end of the inner ring of the anti-scour net 1 is sunk into the sea bottom, and then the ship 6 moves away from the wind power pile foundation, so that one end of the outer ring of the anti-scour net 1 can be pulled to move towards the direction away from the wind power pile foundation by the ship 6, and the anti-scour net 1 is unfolded outwards. During the sinking of the anti-scour net 1, the anti-scour net 1 is pulled outwards by the ship 6, thereby promoting the anti-scour net 1 to be laid flat on the seabed. The method can avoid the diving construction of the scour prevention net 1 caused by the incapability of smoothly and smoothly unfolding, and has the characteristics of high installation efficiency and easiness in operation.
And S40, after the anti-scouring net 1 is installed, stacking a stone throwing on the anti-scouring net 1 to form a stone throwing layer, and embedding the anti-scouring net 1 in the stone throwing layer.
Optionally, in step S30, a pull rope 7 is also provided, one end of the pull rope 7 being connected to the watercraft 6, and the other end being detachably connected to one end of the outer ring of the anti-scour net 1. The pull rope 7 serves to increase the movement distance of the ship 6. During the sinking of the outer ring end of the anti-scour net 1, the anti-scour net 1 is now detached from the vessel 6. The pulling rope 7 is used for continuously applying the pulling force to the anti-scouring net 1 in the direction far away from the wind power pile foundation, namely, the pulling rope 7 is used for continuously applying the outward pulling force to the anti-scouring net 1, so that the anti-scouring net 1 slowly sinks under the action of the pulling force of the pulling rope 7, and the anti-scouring net 1 is fully unfolded. When one end of the outer ring of the anti-scour net 1 is close to the sea bottom, the stay cord 7 is disconnected from the anti-scour net 1. At this time, the scour protection 1 is deployed and laid flat on the seabed.
It can be understood that the installation method of the scour prevention device ensures that the assembly construction and the sea sinking construction are carried out on land and sea surface, thereby avoiding the diving construction under the sea surface and having the characteristics of high installation efficiency and easy operation.
The beneficial effects of this embodiment are: the anti-scouring net 1 consisting of the tire component 11 and the rope 12 is arranged around the wind power pile foundation to play a role in fixing the polished stone layer. Because the tire component 11 is embedded in the polished stone layer, the scouring action of ocean currents on the polished stone layer can be weakened, the phenomenon that the polished stone is displaced under the scouring of ocean currents to generate a pit is avoided, and the stability of a wind power pile foundation is ensured. Through forming the network structure with a plurality of tire assemblies 11 and rope 12, scour protection net 1 can wholly directly sink into the seabed from the sea in order to accomplish the installation construction, avoids the submerged construction under the sea, and installation effectiveness is high. Meanwhile, the tire assembly 11 comprises a large tire 111 and a small tire 112 which are concentrically arranged, so that the porosity of the whole anti-scouring net 1 is reduced, the anti-scouring performance is improved, and the anti-scouring machine has the characteristic of high reliability.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. The utility model provides an anti-scour device of marine wind power pile foundation, its characterized in that, including being the anti-scour net of ring form, the anti-scour net is used for inlaying to establish in the riprap layer around wind power pile foundation, the anti-scour net includes a plurality of tire subassembly and a plurality of rope, a plurality of tire subassembly interval distribution, and adjacent two pass through between the tire subassembly the rope is connected, the tire subassembly is including concentric big tire and the little tire that sets up, the little tire is located in the big tire, the big tire with connect fixedly through the connecting piece between the little tire.
2. The scour protection for a wind power plant pile foundation according to claim 1, wherein the connecting piece comprises a screw rod, a nut and a mounting ring, one end of the screw rod is fixedly connected with the mounting ring, the other end of the screw rod is used for mounting the nut, the screw rod penetrates through the large tire and the small tire, the mounting ring is positioned on one side of an outer ring of the large tire, the nut is positioned on one side of an inner ring of the small tire, and the mounting ring is used for being connected with the rope.
3. The anti-scour apparatus of an offshore wind power pile foundation according to claim 2, wherein an end of the rope is provided with a latch hook, the latch hook being hooked with the mounting ring.
4. The anti-scour apparatus of an offshore wind power pile foundation according to claim 1, wherein adjacent two of said tire assemblies are connected by said rope in a circumferential direction of said anti-scour net;
along the radial direction of the anti-scouring net, two adjacent tire components are connected through the ropes.
5. The anti-scour apparatus for offshore wind power pile foundation of claim 1, wherein a portion of said small tires are filled with concrete.
6. The scour protection apparatus for an offshore wind power pile foundation according to claim 1, further comprising a positioning ring, wherein the positioning ring is sleeved on the wind power pile foundation, and one side of an inner ring of the scour protection net is fixedly connected with the positioning ring.
7. The offshore wind pile foundation anti-scour device of any one of claims 1-6, wherein a plurality of said tire assemblies are divided into a plurality of tire subgroups, each of said tire subgroups comprising a plurality of said tire assemblies, a plurality of said tire subgroups being spaced radially of said wind pile foundation and a plurality of said tire assemblies in each of said tire subgroups being spaced circumferentially of said wind pile foundation.
8. An anti-scour apparatus for offshore wind power pile foundation according to any one of claims 1 to 6, wherein said rope is a steel wire, an iron chain or a nylon rope.
9. A method of installing an anti-scour apparatus for installing an offshore wind pile foundation according to any one of claims 1 to 8, comprising the steps of:
s10, dividing an anti-scouring net into a plurality of net blocks along the circumferential direction of a wind power pile foundation, and completing the assembly of each net block on land;
s20, conveying a plurality of net blocks to the sea surface by utilizing a plurality of ships, wherein the ships uniformly surround the periphery of the wind power pile foundation, and connecting and fixing two adjacent net blocks;
s30, sinking one end of an inner ring of the anti-scour net into the sea bottom along the height direction of the wind power pile foundation, and then driving the ship to move towards the direction deviating from the wind power pile foundation so that the anti-scour net sequentially sinks into the sea bottom from one end of the inner ring to one end of the outer ring;
and S40, stacking a riprap on the anti-scouring net to form a riprap layer, and embedding the anti-scouring net in the riprap layer.
10. The method of installing an anti-scour apparatus according to claim 9, wherein a pulling rope is provided, one end of the pulling rope is connected with the ship, the other end of the pulling rope is detachably connected with one end of an outer ring of the anti-scour net, a pulling force away from the wind power pile foundation direction is applied to the anti-scour net by the pulling rope during sinking of one end of the outer ring of the anti-scour net, and when one end of the outer ring of the anti-scour net is close to the sea floor, the pulling rope and the anti-scour net are disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311757110.8A CN117513247A (en) | 2023-12-20 | 2023-12-20 | Scour prevention device for offshore wind power pile foundation and installation method of scour prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311757110.8A CN117513247A (en) | 2023-12-20 | 2023-12-20 | Scour prevention device for offshore wind power pile foundation and installation method of scour prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117513247A true CN117513247A (en) | 2024-02-06 |
Family
ID=89762820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311757110.8A Pending CN117513247A (en) | 2023-12-20 | 2023-12-20 | Scour prevention device for offshore wind power pile foundation and installation method of scour prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117513247A (en) |
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2023
- 2023-12-20 CN CN202311757110.8A patent/CN117513247A/en active Pending
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