CN114455016A - An offshore wind power foundation - Google Patents

Abstract

The invention discloses an offshore wind power foundation. By arranging the buoyancy device for installing the main pile of the wind power equipment and the fixing device for providing the buoyancy device with a downward pulling force, and connecting the buoyancy device with the fixing device through a plurality of connecting pieces, since the fixing device can provide the buoyancy device with a direction to the buoyant device. Pull-down force, therefore, connecting the fixing device and the buoyancy device through the connector can keep the buoyancy device stable, and during installation, the fixing device and the buoyancy device can be towed to the target position by the ship. Therefore, the offshore wind power disclosed in the present application Compared with the anchor chain of the prior art, the foundation is more convenient to transport and has a lower cost.

Description

An offshore wind power foundation

technical field

The invention relates to the field of offshore wind power, in particular to an offshore wind power foundation.

Background technique

The supporting technologies of offshore wind turbines mainly include bottom fixed support and suspended support. At present, fixed supports are used below 40m water depth, that is, the support of offshore wind turbines is guaranteed by piling on the seabed and through the pile-type steel structure; Suspended support is adopted, that is, the buoy-type foundation is embedded in the seabed sediment through the anchor of the anchor chain for fixing, thereby ensuring the support of the offshore wind turbine.

However, when offshore wind power uses suspended support in deep water, it usually requires a long anchor chain, which increases the cost of the anchor chain, and the length of the anchor chain makes transportation difficult. In addition, the steel structure is long in length and large in diameter, so that transportation is inconvenient. Therefore, an economical offshore wind power foundation is urgently needed.

SUMMARY OF THE INVENTION

In view of this, the embodiments of the present invention provide an offshore wind power foundation to solve the existing offshore wind power.

To achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

An offshore wind power foundation, comprising: a buoyancy device and a fixing device;

The buoyancy device is connected with the fixing device through a plurality of connecting pieces;

The buoyancy device is used to install the main pile of wind power equipment;

The fixture is used to provide a downward pull force to the buoyancy device.

Preferably, the fixing device is a triangular box.

Preferably, the interior of the box is filled with any one or more substances of concrete, sand and water.

Preferably, the buoyancy device is a triangular silo body, and the bottom of the silo body is provided with a first connection point, a second connection point and a third connection point;

The top of the box body is provided with a fourth connection point, a fifth connection point and a sixth connection point;

The fourth connection point is connected to the first connection point via a plurality of connection pieces, the fifth connection point is connected to the second connection point via a plurality of connection pieces, and the sixth connection point is connected to the third connection point via a plurality of connection pieces.

Preferably, the buoyancy device is composed of a plurality of compartments.

Preferably, the fixing device includes: a plurality of suction cylinders;

The buoyancy device is a triangular silo body, and the bottom of the silo body is provided with a first connection point, a second connection point and a third connection point;

Any one of the first connection point, the second connection point and the third connection point is connected to the suction cylinder through a plurality of connection pieces,

Or, any plurality of connection points among the first connection point, the second connection point and the third connection point are connected with the suction cylinder through the connection piece.

Preferably, the connecting member is a cable.

Preferably, it also includes: a plurality of first support rods;

The first support rod is arranged at a preset angle with the center line of the main pile, one end of the first support rod is connected with the main pile, and the other end is connected with the buoyancy device.

As can be seen from the above content, the present invention discloses an offshore wind power foundation. By arranging the buoyancy device for installing the main pile of wind power equipment and the fixing device for providing downward pulling force to the buoyancy device, and connecting the buoyancy device with the fixing device through a plurality of connecting pieces, since the fixing device can provide the buoyancy device with a Pull-down force, therefore, connecting the fixing device and the buoyancy device through the connector can keep the buoyancy device stable, and during installation, the fixing device and the buoyancy device can be towed to the target position by the ship. Therefore, the offshore wind power disclosed in the present application Compared with the anchor chain of the prior art, the foundation is more convenient to transport and has a lower cost.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative work.

FIG. 1 is a schematic structural diagram of an offshore wind power foundation provided by an embodiment of the present invention;

Fig. 2 is the front view of the offshore wind power foundation provided with the main pile installed according to the embodiment of the present invention;

3 is a top view of a buoyancy device provided by an embodiment of the present invention;

4 is a top view of a fixing device provided by an embodiment of the present invention;

5 is a schematic structural diagram of a plurality of silo bodies provided by the buoyancy device according to an embodiment of the present invention;

Fig. 6 is the installation schematic diagram of the suction cylinder provided by the fixing device according to the embodiment of the present invention;

FIG. 7 is another schematic diagram of installation in which the fixing device provided by the embodiment of the present invention is a suction cylinder.

Among them, the buoyancy device 1 , the bin body 11 , the fixing device 2 , the box body 21 , the suction cylinder 22 , the connecting piece 3 , the main pile 4 , the first support rod 5 , the second support rod 6 , and the lock 7 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In this application, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also no Other elements expressly listed, or which are also inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the process, method, article, or device that includes the element.

An embodiment of the present invention provides an offshore wind power foundation. Referring to FIGS. 1 to 7 , FIG. 1 is a schematic structural diagram of an offshore wind power foundation. The offshore wind power foundation includes: a buoyancy device 1 and a fixing device 2;

The buoyancy device 1 is connected with the fixing device 2 through a plurality of connecting pieces 3;

The buoyancy device 1 is used to install the main pile 4 of the wind power equipment;

The fixing device 2 is used to provide a downward pulling force to the buoyancy device 1 .

It should be noted that by setting the buoyancy device 1 for installing the main pile 4 of the wind power equipment and the fixing device 2 for providing the buoyancy device 1 with a downward pulling force, the buoyancy device 1 is connected to the fixing device through a plurality of connecting pieces 3 2 are connected. Since the fixing device 2 can provide the buoyancy device 1 with a downward pulling force, connecting the fixing device 2 and the buoyancy device 1 through the connecting piece 3 can keep the buoyancy device 1 stable. The fixing device 2 and the buoyancy device 1 are towed to the target position. Therefore, the offshore wind power foundation disclosed in the present application is more convenient to transport and lower in cost than the anchor chain in the prior art.

It should also be noted that the fixing device 2 of the present application can be a box body 21 or a suction cylinder 22. In deep sea water, the fixing device 2 can be set as a box body 21, and in 40m deep water, the fixing device 2 can be set as a box body 21. 2 is set as a suction cylinder 22, which will be described in detail below through an example.

Specifically, the fixing device 2 is a triangular box 21 .

It should be noted that the fixing device 2 can be set as a triangular box body 21, and can also be set as a box body 21 with other shapes, such as circle, rectangle, polygon, etc. Those skilled in the art can choose according to their needs. Preferably, the fixing device 2 is a triangular box 21 .

Further, the inside of the box body 21 is filled with any one or more substances of concrete, sand and water.

It should be noted that, by filling the inside of the box body 21 with any one or more substances of concrete, sand, and water, the overall weight can be effectively increased, the stability can be maintained, and the production cost can be effectively reduced.

It should also be noted that the box body 21 of the present application may also be a solid box body 21 .

Specifically, the buoyancy device 1 is a triangular silo body 11, and the bottom of the silo body 11 is provided with a first connection point, a second connection point and a third connection point;

The top of the box body 21 is provided with a fourth connection point, a fifth connection point and a sixth connection point;

The fourth connection point is connected to the first connection point through a plurality of connection members 3, the fifth connection point is connected to the second connection point through a plurality of connection members 3, and the sixth connection point is connected to the third connection point through a plurality of connection members 3 .

It should be noted that the buoyancy device 1 is a triangular-shaped silo body 11, and the first connection point of the silo body 11 is connected to the fourth connection point of the box body 21 through a plurality of connectors 3, and the second connection point of the silo body 11 is connected. The connection point is connected to the fifth connection point of the box body 21 through a plurality of connection pieces 3 , and the third connection point of the bin body 11 is connected to the sixth connection point of the box body 21 through a plurality of connection pieces 3 . 3. After breaking, it is ensured that the buoyancy device 1 will not overturn due to uneven force, effectively ensuring the normal operation of the wind power equipment.

Further, as shown in FIG. 5 , the buoyancy device 1 is composed of a plurality of chamber bodies 11 .

It should be noted that, by setting the buoyancy device 1 into a plurality of chamber bodies 11, the stability of the buoyancy device 1 can be better improved by filling different chamber bodies 11 with different materials.

Further, the fixing device 2 includes: a plurality of suction cylinders 22;

The buoyancy device 1 is a triangular silo body 11, and the bottom of the silo body 11 is provided with a first connection point, a second connection point and a third connection point;

Any one of the first connection point, the second connection point and the third connection point is connected to the suction cylinder 22 through a plurality of connection pieces 3,

Or, any plurality of connection points among the first connection point, the second connection point and the third connection point are connected to the suction cylinder 22 through the connection piece 3 .

It should be noted that, the buoyancy device 1 is set as a triangular-shaped silo body 11, and any one of the first connection point, the second connection point and the third connection point of the silo body 11 is passed through a plurality of connecting pieces 3 It is connected with the suction cylinder 22, or, any multiple connection points in the first connection point, the second connection point and the third connection point are connected with the suction cylinder 22 through the connection piece 3, and after one of the connection pieces 3 is broken, It is ensured that the buoyancy device 1 will not overturn due to uneven force, effectively ensuring the normal operation of the wind power equipment.

It should also be noted that when the suction cylinder 22 is installed underwater, the suction cylinder 22 can be firmly adsorbed on the underwater soil and is not easy to fall off. Therefore, it can play a fixed role for the buoyancy device 1, that is, prevent the buoyancy device 1 from moving around.

Specifically, the connecting member 3 is a cable.

It should be noted that the connector 3 may be a cable or a rigid pipe, and the connector 3 is preferably a cable in the present application.

It should also be noted that when the connecting member 3 is a cable, the first connection point, the second connection point and the third connection point can be set as a lock 7 that cooperates with the cable, which can be used when encountering a severe storm or requiring maintenance. When the buoyancy device 1 is recovered, the buoyancy device 1 can be recovered by releasing the cooperation between the cable and the lock 7 .

Further, the offshore wind power foundation further includes: a plurality of first support rods 5;

The first support rod 5 is arranged at a preset angle with the center line of the main pile 4 , one end of the first support rod 5 is connected with the main pile 4 , and the other end is connected with the buoyancy device 1 .

It should be noted that, by setting a plurality of first support rods 5 and setting the first support rod 5 and the center line of the main pile 4 at a preset angle, one end of the first support rod 5 is connected to the main pile 4, and the other end is connected to the main pile 4. Being connected with the buoyancy device 1 can effectively fix the buoyancy device 1 and the main pile 4 to ensure the stability of the main pile 4 .

Preferably, the offshore wind power foundation further includes: a plurality of second support rods 6;

The first ends of the plurality of second support rods 6 are connected to each other, and the second ends of the plurality of second support rods 6 are respectively connected to different positions of the buoyancy device 1 .

It should be noted that by arranging a plurality of second support rods 6 and connecting the first ends of the plurality of second support rods 6 to each other, the second ends of the plurality of second support rods 6 are respectively connected with the buoyancy device 1 . Connecting at different positions can improve the rigidity of the buoyancy device 1 .

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An offshore wind power foundation, comprising: a buoyancy device and a fixing device; the buoyancy device is connected with the fixing device through a plurality of connecting pieces; The buoyancy device is used to install the main pile of wind power equipment; The fixing device is used to provide a downward pulling force to the buoyancy device. 2 . The offshore wind power foundation according to claim 1 , wherein the fixing device is a triangular box. 3 . 3 . The offshore wind power foundation according to claim 2 , wherein the inside of the box is filled with any one or more substances of concrete, sand and water. 4 . 4. The offshore wind power foundation according to claim 2, wherein the buoyancy device is a triangular silo body, and the bottom of the silo body is provided with a first connection point, a second connection point and a third connection point ; The top of the box body is provided with a fourth connection point, a fifth connection point and a sixth connection point; The fourth connection point is connected with the first connection point through a plurality of connection pieces, the fifth connection point is connected with the second connection point through a plurality of connection pieces, and the sixth connection point is connected with a plurality of connections The piece is connected to the third connection point. 5 . The offshore wind power foundation according to claim 4 , wherein the buoyancy device is composed of a plurality of silo bodies. 6 . 6. The offshore wind power foundation according to claim 1, wherein the fixing device comprises: a plurality of suction cylinders; The buoyancy device is a triangular silo body, and the bottom of the silo body is provided with a first connection point, a second connection point and a third connection point; Any one of the first connection point, the second connection point and the third connection point is connected to the suction cylinder through a plurality of connection pieces, Or, any plurality of connection points among the first connection point, the second connection point and the third connection point are connected to the suction cylinder through a connection piece. 7 . The offshore wind power foundation according to claim 1 , wherein the connecting member is a cable. 8 . 8. The offshore wind power foundation according to claim 1, further comprising: a plurality of first support rods; The first support rod and the center line of the main pile are arranged at a preset angle, one end of the first support rod is connected with the main pile, and the other end is connected with the buoyancy device.

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