Offshore wind power structure foundation

By using upper and lower cleaning rings driven by traction components in the offshore wind power structure foundation, the problem of difficult-to-clean organisms on the surface of offshore wind power piles has been solved, achieving all-round cleaning of the surface of a single pile and ensuring the stable operation of the offshore wind power structure foundation.

CN223620945UActive Publication Date: 2025-12-02CHINA ENERGY CONSTR (BEIJING) ENERGY RES INST CO LTD
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Patent Information

Application Number
CN202520222011.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-12-02
Estimated Expiration
2035-02-12

AI Technical Summary

Technical Problem

Existing technologies are ineffective at cleaning shelled organisms from the surface of offshore wind turbine piles, especially in areas below the sea surface, and cannot remove shelled organisms with strong adhesion.

Method used

The upper and lower cleaning rings, driven by traction components, work together with sharp-angled bevels and cleaning brushes to achieve spiral movement on the surface of a single pile, scraping and brushing away attached organisms.

Benefits of technology

It enables comprehensive cleaning of the surface of a single pile, ensuring the cleanliness of the offshore wind power structure foundation, preventing biological adhesion, and improving cleaning efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an offshore wind power structure foundation, and relates to the technical field of offshore wind power. The device comprises a single pile and further comprises a traction part, an upper cleaning ring, a lower cleaning ring and a rotating ring, the traction part is composed of a driving part and a steering part, the driving part is fixedly installed on the top of the single pile, the steering part is fixedly installed on the surface of the single pile, and a traction rope is connected into the driving part. The traction rope is driven by the driving part of the traction part, so that the traction rope slides between the driving part of the traction part and the steering part, and the rotating ring connected with the traction rope is driven by the traction part, so that the upper cleaning ring and the lower cleaning ring are controlled to slide up and down on the surface of the single pile; and in the up-down moving process, unshelled organisms attached to the surface of the single pile are cleaned and scraped, it is guaranteed that the surface of the single pile located in seawater is clean, and the internal cleaning end of the lower cleaning ring scrubs the organisms such as algae attached to the surface of the single pile.
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Description

Technical Field

[0001] This utility model relates to the field of offshore wind power technology, specifically to an offshore wind power structural foundation. Background Technology

[0002] Offshore wind power structural foundations are marine engineering projects that support offshore wind turbines and ensure their stable operation. Monopile foundations are one of the most widely used foundation types in offshore wind power, with advantages such as simple structure, convenient construction, and low cost. They are suitable for sea areas with medium water depth. The monopile is the core component of the monopile foundation, which is usually a cylindrical steel pile with a large diameter. It has a transition section for connecting support and the wind turbine tower.

[0003] Chinese patent CN207079620U discloses an anti-biofouling device for steel pipe piles used in offshore wind power foundations. The device includes a shell fitted onto the pipe pile. The shell includes a protective layer and a frame disposed on the inner side of the protective layer. A buoyancy block is disposed inside the protective layer, and a brush for cleaning the pipe pile is disposed on the inner side of the frame.

[0004] The disclosed technology relies on changes in the sea surface to make the device float and uses a brush to clean the organisms on the pipe piles. However, the cleaning area is limited, and it can only clean pipe piles at the sea surface level. It cannot clean pipe piles below the sea surface, and it cannot remove shelled organisms with strong adhesion, which further reduces the range of vertical movement. Utility Model Content

[0005] To address the aforementioned problems, this invention provides a structural foundation for offshore wind power, which solves the problem of difficult removal of shelled organisms adsorbed on the surface of the pipe pile.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: an offshore wind power structural foundation, including a monopile, and further including a traction component, an upper cleaning ring, a lower cleaning ring, and a rotating ring. The traction component consists of a driving component and a steering component. The driving component is fixedly installed on the top of the monopile, and the steering component is fixedly installed on the surface of the monopile. A traction rope is connected inside the driving component, and the traction rope passes through the top of the steering component and is connected to the rotating ring.

[0007] The upper cleaning ring is slidably fitted onto the surface of the monopile, and the lower cleaning ring is slidably fitted onto the surface of the monopile. The bottom of the upper cleaning ring and the top of the lower cleaning ring are connected by a flange. The top of the upper cleaning ring and the bottom of the lower cleaning ring are both acute-angled bevels. The moving end inside the upper cleaning ring is in contact with the surface of the monopile, and the cleaning end inside the lower cleaning ring is in contact with the surface of the monopile. A rotating ring is rotatably installed on the surface of the upper cleaning ring.

[0008] The driving component of the traction unit includes a motor housing, a waterproof motor, and a traction wheel. The motor housing is fixedly installed on the top surface of the monopile. The waterproof motor is installed inside the motor housing. The traction wheel is fixedly installed at the output end of the waterproof motor. A traction rope is wound around the surface of the traction wheel and passes through the bottom of the motor housing.

[0009] The steering component of the traction device includes a chassis and a limiting bracket. The chassis is fixedly installed on the surface of the monopile, the bottom surface of the chassis is in contact with the seabed, and the limiting bracket is fixedly installed on the top of the chassis. The traction rope passes through the interior of the limiting bracket.

[0010] The upper cleaning ring includes a first fixed ring, a first flow groove, a pulley, and a limiting ring. The first fixed ring is slidably sleeved on the surface of the single pile. The surface of the first fixed ring is provided with a first flow groove. The interior of the first fixed ring is provided with a pulley, which is inclined. There are multiple sets of pulleys, which are in contact with the surface of the single pile. A limiting ring is fixedly installed on the outer side of the first fixed ring.

[0011] The lower cleaning ring includes a second fixed ring, a second flow groove, and a cleaning brush. The second fixed ring is slidably sleeved on the surface of the monopile. The second fixed ring has a second flow groove on its surface. The cleaning brush is fixedly installed inside the second fixed ring and is in contact with the surface of the monopile.

[0012] The rotating ring includes an outer ring, a through hole, and a retainer. The surface of the outer ring has a through hole that extends through its upper and lower sides. A fixing post is fixedly installed on the surface of the traction rope, and the fixing post is inserted into the inside of the through hole and fits against the upper and lower sides of the outer ring. The retainer is slidably installed on the surface of the upper cleaning ring.

[0013] The beneficial effects of this utility model are as follows:

[0014] This invention uses a traction component to drive a traction rope, causing the rope to slide between the drive and steering components. A rotating ring connected to the traction rope is driven by this rope, controlling the upper and lower cleaning rings to slide up and down on the surface of the monopile. Relying on the acute-angled slopes of the upper and lower cleaning rings, shelled organisms attached to the monopile surface are cleaned and scraped off during the up-and-down movement, ensuring the cleanliness of the monopile surface in seawater. The internal cleaning end of the lower cleaning ring brushes away algae and other organisms attached to the monopile surface. The moving end of the upper cleaning ring guides the upper and lower cleaning rings to move up and down in a spiral trajectory on the monopile surface, ensuring thorough cleaning of the attached materials. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of the present invention;

[0016] Figure 2 This is a partial cross-sectional schematic diagram of the upper part of the component of this utility model;

[0017] Figure 3 This is a partial cross-sectional schematic diagram of the lower half of the component of this utility model;

[0018] Figure 4 This is a schematic diagram of the upper cleaning ring, lower cleaning ring, and rotating ring.

[0019] Figure 5 This is a cross-sectional view of the upper cleaning ring, lower cleaning ring, and rotating ring;

[0020] Figure 6 This is a schematic diagram showing the disassembly of the upper cleaning ring, lower cleaning ring, and rotating ring.

[0021] Reference numerals: 1. Single pile; 2. Traction component; 201. Motor box; 202. Waterproof motor; 203. Traction wheel; 204. Chassis; 205. Limiting bracket; 3. Upper cleaning ring; 301. First fixing ring; 302. First flow groove; 303. Pulley; 304. Limiting ring; 4. Lower cleaning ring; 401. Second fixing ring; 402. Second flow groove; 403. Cleaning brush; 5. Rotating ring; 501. Outer ring; 502. Through hole; 503. Sleeve; 6. Traction rope. Detailed Implementation

[0022] The present invention will be further described below with reference to specific embodiments. However, those skilled in the art should understand that the detailed description given here with reference to the accompanying drawings is for better explanation. The structure of the present invention may exceed the limited embodiments described herein. Some equivalent alternatives or common means will not be described in detail here, but they still fall within the protection scope of this application.

[0023] Figures 1-6 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figure 1 - Appendix Figure 6 The present invention will be further described below.

[0024] An offshore wind power structural foundation includes a monopile 1, a traction component 2, an upper cleaning ring 3, a lower cleaning ring 4, and a rotating ring 5. The traction component 2 consists of a drive component and a steering component. The drive component is fixedly installed on the top of the monopile 1, and the steering component is fixedly installed on the surface of the monopile 1. A traction rope 6 is connected inside the drive component and passes through the top of the steering component, connecting to the rotating ring 5. The upper cleaning ring 3 is slidably fitted onto the surface of the monopile 1, and the lower cleaning ring 4 is slidably fitted onto the surface of the monopile 1. The bottom of the upper cleaning ring 3 and the top of the lower cleaning ring 4 are connected by a flange. The top of the upper cleaning ring 3 and the bottom of the lower cleaning ring 4 are both acute-angled bevels. The moving end inside the upper cleaning ring 3 is in contact with the surface of the monopile 1, and the cleaning end inside the lower cleaning ring 4 is in contact with the surface of the monopile 1. The rotating ring 5 is rotatably installed on the surface of the upper cleaning ring 3.

[0025] Specifically, the traction component 2 drives the traction rope 6 to pull the rotating ring 5, controlling the upper cleaning ring 3 and the lower cleaning ring 4 to slide up and down on the surface of the single pile 1. The upper cleaning ring 3 scrapes and cleans the surface of the single pile 1 during its upward movement, and the lower cleaning ring 4 scrapes and cleans the surface of the single pile 1 during its downward movement. The rotating ring 5 causes the upper cleaning ring 3 and the lower cleaning ring 4 to rotate during their up and down movement.

[0026] The driving component of the traction component 2 includes a motor housing 201, a waterproof motor 202, and a traction wheel 203. The motor housing 201 is fixedly installed on the top surface of the monopile 1. The waterproof motor 202 is installed inside the motor housing 201. The traction wheel 203 is fixedly installed at the output end of the waterproof motor 202. The traction rope 6 is wound around the surface of the traction wheel 203. The traction rope 6 passes through the bottom of the motor housing 201. The waterproof motor 202 and the traction wheel 203 are located in different chambers inside the motor housing 201.

[0027] Specifically, the waterproof motor 202 is fully protected by the motor box 201, and the waterproof motor 202 drives the traction wheel 203 to rotate, so that the traction wheel 203 drives the traction rope 6 for transmission.

[0028] The steering component of the traction component 2 includes a chassis 204 and a limiting bracket 205. The chassis 204 is fixedly installed on the surface of the monopile 1. The bottom surface of the chassis 204 is in contact with the seabed. The limiting bracket 205 is fixedly installed on the top of the chassis 204. The traction rope 6 passes through the interior of the limiting bracket 205.

[0029] Specifically, by cooperating with the limit bracket 205 and the traction wheel 203, the traction rope 6 is pulled to extend and tighten, thereby driving the rotating ring 5 to move up and down.

[0030] The upper cleaning ring 3 includes a first fixed ring 301, a first flow groove 302, a pulley 303, and a limiting ring 304. The first fixed ring 301 is slidably sleeved on the surface of the single pile 1. The bottom of the first fixed ring 301 is provided with a flange connected to the second fixed ring 401. The surface of the first fixed ring 301 is provided with a first flow groove 302. There are multiple sets of first flow grooves 302, and the multiple sets of first flow grooves 302 are arranged in a circular array. The interior of the first fixed ring 301 is provided with a pulley 303, and the pulley 303 is inclined. There are multiple sets of pulleys 303, and they are in contact with the surface of the single pile 1. The limiting ring 304 is fixedly installed on the outer side of the first fixed ring 301. The limiting ring 304 is correspondingly arranged with the rotating ring 5.

[0031] Specifically, the first fixed ring 301 cleans the shelled organisms on the surface of the monopile 1 during the upward movement of the upper cleaning ring 3 and the lower cleaning ring 4. The first flow channel 302 allows seawater to flow through the interior of the upper cleaning ring 3 and the lower cleaning ring 4, flushing out the debris and residue cleaned by the lower cleaning ring 4. The pulley 303 guides the upper cleaning ring 3 and the lower cleaning ring 4 to slide stably on the surface of the monopile 1. According to their inclination, the traction rope 6 slowly pulls them, so that the upper cleaning ring 3 and the lower cleaning ring 4 clean the attached substances on the surface of the monopile 1. The limiting ring 304 makes the rotating ring 5 rotate stably on its surface.

[0032] The lower cleaning ring 4 includes a second fixed ring 401, a second flow groove 402, and a cleaning brush 403. The second fixed ring 401 is slidably sleeved on the surface of the monopile 1. The top of the second fixed ring 401 is provided with a flange connected to the first fixed ring 301. The surface of the second fixed ring 401 is provided with a second flow groove 402. There are multiple sets of second flow grooves 402, and the multiple sets of second flow grooves 402 are arranged in a circular array. The cleaning brush 403 is fixedly installed inside the second fixed ring 401, and the cleaning brush 403 is in contact with the surface of the monopile 1.

[0033] Specifically, the second fixed ring 401 cleans the shelled organisms on the surface of the monopile 1 during the downward movement of the upper cleaning ring 3 and the lower cleaning ring 4. The second flow channel 402 allows seawater to flow through the interior of the upper cleaning ring 3 and the lower cleaning ring 4, flushing out the debris and residue cleaned by the cleaning brush 403. The cleaning brush 403 also removes algae and other attached substances from the surface of the monopile 1.

[0034] The rotating ring 5 includes an outer ring 501, a through hole 502, and a retainer 503. The surface of the outer ring 501 has a through hole 502 that passes through its upper and lower sides. A fixing post is fixedly installed on the surface of the traction rope 6, and the fixing post is inserted into the through hole 502 and fits against the upper and lower sides of the outer ring 501. The retainer 503 is slidably installed on the surface of the limiting ring 304.

[0035] Specifically, the rotation of the sleeve 503 on the surface of the limiting ring 304 causes the up-and-down movement of the rotating ring 5 to cooperate with the spiral movement of the upper cleaning ring 3. The traction rope 6 is connected and fixed to the rotating ring 5 through the fixing post, so that the transmission of the traction rope 6 pulls the rotating ring 5 to move up and down.

[0036] In summary: When using this utility model, the device is installed in a designated sea area, and the monopile 1 is inserted into the seabed so that the chassis 204 is in contact with the seabed. The subsequent transition section and wind turbine tower are installed on top of the monopile 1. During the use of this device, the traction component 2 is periodically activated, and the waterproof motor 202 drives the traction wheel 203 to rotate, so that the traction rope 6 is transmitted between the traction wheel 203 and the limiting bracket 205. The rotating ring 5 connected to the traction rope 6 is pulled by it, so that the rotating ring 5 moves up and down along the axis of the monopile 1, and the upper cleaning ring 3 and lower cleaning ring 4 in contact with the surface of the monopile 1 are guided by the pulley 303 and rotated by the sleeve 503 and the limiting ring 304. The cleaning ring 4 moves up and down in a spiral along the surface of the monopile 1. As the upper cleaning ring 3 and the lower cleaning ring 4 move upward, the top of the first fixed ring 301 scrapes off the shelled organisms on the surface of the monopile 1. As the upper cleaning ring 3 and the lower cleaning ring 4 move downward, the bottom of the second fixed ring 401 scrapes off the shelled organisms on the surface of the monopile 1. The cleaning brush 403 moves with the second fixed ring 401 and brushes off algae and other attached substances on the surface of the monopile 1. The debris and residue are discharged by the seawater flowing through the first flow channel 302 and the second flow channel 402. The connecting flange of the first fixed ring 301 and the second fixed ring 401 can be removed to inspect and replace the pulley 303 and the cleaning brush 403.

[0037] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A type of offshore wind power structural foundation, comprising a monopile (1), characterized in that, It also includes a traction component (2), an upper cleaning ring (3), a lower cleaning ring (4) and a rotating ring (5). The traction component (2) consists of a driving component and a steering component. The driving component is fixedly installed on the top of the single pile (1), and the steering component is fixedly installed on the surface of the single pile (1). The driving component is connected to a traction rope (6), and the traction rope (6) passes through the top of the steering component and is connected to the rotating ring (5). The upper cleaning ring (3) is slidably fitted onto the surface of the single pile (1), and the lower cleaning ring (4) is slidably fitted onto the surface of the single pile (1). The bottom of the upper cleaning ring (3) and the top of the lower cleaning ring (4) are connected by a flange. The top of the upper cleaning ring (3) and the bottom of the lower cleaning ring (4) are both acute-angled slopes. The moving end inside the upper cleaning ring (3) is attached to the surface of the single pile (1), and the cleaning end inside the lower cleaning ring (4) is attached to the surface of the single pile (1). A rotating ring (5) is rotatably installed on the surface of the upper cleaning ring (3).

2. The offshore wind power structural foundation according to claim 1, characterized in that, The driving component of the traction component (2) includes a motor housing (201), a waterproof motor (202), and a traction wheel (203). The motor housing (201) is fixedly installed on the top surface of the single pile (1). The waterproof motor (202) is installed inside the motor housing (201). The traction wheel (203) is fixedly installed at the output end of the waterproof motor (202). The traction rope (6) is wound around the surface of the traction wheel (203). The traction rope (6) passes through the bottom of the motor housing (201).

3. The offshore wind power structural foundation according to claim 1, characterized in that, The steering component of the traction component (2) includes a chassis (204) and a limiting bracket (205). The chassis (204) is fixedly installed on the surface of the monopile (1). The bottom surface of the chassis (204) is in contact with the seabed. The limiting bracket (205) is fixedly installed on the top of the chassis (204). The traction rope (6) passes through the interior of the limiting bracket (205).

4. The offshore wind power structural foundation according to claim 1, characterized in that, The upper cleaning ring (3) includes a first fixing ring (301), a first flow groove (302), a pulley (303) and a limiting ring (304). The first fixing ring (301) is slidably sleeved on the surface of the single pile (1). The surface of the first fixing ring (301) is provided with a first flow groove (302). The inside of the first fixing ring (301) is provided with a pulley (303), and the pulley (303) is inclined. There are multiple sets of pulleys (303), which are in contact with the surface of the single pile (1). The limiting ring (304) is fixedly installed on the outside of the first fixing ring (301).

5. The offshore wind power structural foundation according to claim 1, characterized in that, The lower cleaning ring (4) includes a second fixed ring (401), a second flow groove (402), and a cleaning brush (403). The second fixed ring (401) is slidably sleeved on the surface of the single pile (1). The second flow groove (402) is opened on the surface of the second fixed ring (401). The cleaning brush (403) is fixedly installed inside the second fixed ring (401), and the cleaning brush (403) is in contact with the surface of the single pile (1).

6. The offshore wind power structural foundation according to claim 1, characterized in that, The rotating ring (5) includes an outer ring (501), a through hole (502) and a sleeve (503). The surface of the outer ring (501) is provided with a through hole (502) that passes through its upper and lower sides. A fixing post is fixedly installed on the surface of the traction rope (6), and the fixing post is inserted into the inside of the through hole (502) and fits against the upper and lower sides of the outer ring (501). The sleeve (503) is slidably installed on the surface of the upper cleaning ring (3).

Citation Information

Patent Citations

  • A prevent biological anchorage device for marine wind power basis steel -pipe pile

    CN207079620U