Novel multi-layer bulkhead structure of floating type offshore wind power floating body foundation counterweight cabin

Abstract

The utility model discloses a novel floating type offshore wind power floating body foundation counterweight cabin multilayer bulkhead structure which comprises a center cylinder and a cabin cover, the cabin cover is fixed to the outer side of the center cylinder, and an interval space for containing concrete is formed between the inner side of the cabin cover and the outer side of the center cylinder. The concrete is injected into any one of the eight pouring holes, the eight pouring holes can be filled with the concrete through the through holes due to the fact that the pouring holes are communicated through the through holes, and the problem that when the concrete counter weight is injected into the area above the through holes, the multiple independent spaces are filled with the concrete in sequence, injection points are replaced many times, and the counter weight injection efficiency is low is solved.

Description

Technical Field

[0001] This utility model relates to a novel multi-layered bulkhead structure for the foundation counterweight of a floating offshore wind turbine, belonging to the field of wind turbine floating body technology. Background Technology

[0002] When a wind turbine floats on the sea surface, additional counterweights are needed to ensure its stability.

[0003] For the construction of adding counterweights to the wind turbine floating body, the wind turbine floating body foundation is usually towed from the dock to the power generation mooring construction point first, and then concrete is injected into the counterweight tank. After the concrete solidifies in the counterweight tank, the counterweight body is formed.

[0004] The existing counterweight chamber structure, as seen in Chinese Patent Publication No. CN215860611U, divides the counterweight chamber structure into independent spaces, allowing for the injection of counterweights in different areas later. However, when it is necessary to fill the interior of the counterweight chamber structure with concrete counterweights, multiple independent spaces need to be filled sequentially, requiring multiple changes of injection points, resulting in low counterweight injection efficiency. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a novel multi-layer bulkhead structure for the counterweight compartment of a floating offshore wind power buoy foundation.

[0006] This utility model is achieved through the following technical solution.

[0007] This utility model provides a novel floating offshore wind turbine foundation counterweight tank multi-layer bulkhead structure, comprising:

[0008] Central tube,

[0009] The chamber cover is fixed to the outside of the central cylinder, and there is a space between the inside of the chamber cover and the outside of the central cylinder to accommodate concrete.

[0010] It also includes a bulkhead plate fixed to the inside of the cabin cover and the outside of the central cylinder. The bulkhead plate divides the space into multiple casting holes. The bulkhead plate is provided with through holes that connect the casting holes.

[0011] The canopy is vertically divided into a conical lower section and a straight upper section; the horizontal projection of the canopy is an ellipse.

[0012] The central cylinder has mounting holes in the middle for installation with the wind turbine float.

[0013] The bulkhead is fixed to the inner side of the cabin cover and the outer side of the central cylinder by bolts.

[0014] The bulkhead consists of eight panels, which divide the space into eight casting holes. The eight casting holes are, in order, casting hole A, casting hole a, casting hole B, casting hole b, casting hole C, casting hole c, casting hole D, and casting hole d. Casting holes A and a are symmetrically located at the smallest point of the elliptical bulkhead, while casting holes D and d are symmetrically located at the largest point of the elliptical bulkhead. Casting holes B, b, C, and c are located in the transition section of the elliptical bulkhead.

[0015] The passage hole corresponds to the upper section; the bulkhead at the passage hole has a thickened layer.

[0016] The beneficial effects of this utility model are as follows: When concrete is injected into any of the eight pouring holes, since the pouring holes are connected through the holes, the concrete can fill all eight pouring holes through the holes. This avoids the problem of low efficiency in filling multiple independent spaces sequentially and changing the injection point multiple times when injecting concrete into the area above the holes for counterweight. Attached Figure Description

[0017] Figure 1 This is a front view schematic diagram of the present invention;

[0018] Figure 2 This is a top view of the present invention;

[0019] Figure 3 This is a front view schematic diagram of the bulkhead of this utility model;

[0020] In the diagram: 1-Central tube; 2-Hatch cover; 21-Lower section; 22-Upper section; 3-Bullet plate; 31-Pass-through hole. Detailed Implementation

[0021] The technical solution of this utility model is further described below, but the scope of protection is not limited to what is described.

[0022] like Figures 1 to 3 As shown.

[0023] This application discloses a novel floating offshore wind turbine foundation counterweight compartment multi-layer bulkhead structure, comprising:

[0024] A central cylinder 1 with mounting holes in the middle for installation with the wind turbine float is provided. A hood 2 is fixed on the outside of the central cylinder 1. There is a gap between the inside of the hood 2 and the outside of the central cylinder 1 to accommodate concrete. After the concrete is injected and cured, it forms a counterweight.

[0025] The canopy 2 is vertically divided into a conical lower section 21 and a straight upper section 22; the horizontal projection of the canopy 2 is an ellipse.

[0026] It also includes bulkhead plates 3 that are bolted to the inside of the shroud 2 and the outside of the central cylinder 1. There are eight bulkhead plates 3, which divide the space into eight casting holes. The eight casting holes are, in order, casting hole A, casting hole a, casting hole B, casting hole b, casting hole C, casting hole c, casting hole D, and casting hole d. Casting holes A and a are symmetrically located at the smallest point of the elliptical shroud 2, and casting holes D and d are symmetrically located at the largest point of the elliptical shroud 2. Casting holes B, b, C, and c are located in the transition section of the elliptical shroud 2.

[0027] The compartment plate 3 corresponding to the upper section 22 is provided with a through hole 31, which connects the eight pouring holes; the compartment plate 3 at the through hole 31 has a thickened layer, which improves the wear resistance during concrete injection.

[0028] When injecting concrete, it is first injected into the symmetrical pouring holes A and a. Since pouring holes A and a are located at the minimum point of the elliptical cabin 2, it is not easy for the side to tilt when injecting concrete for counterweight. When the concrete is injected into pouring holes A and a to the through hole 31, it stops. At this time, the cabin 2 is submerged to a certain depth of the sea surface, and the outside of the cabin 2 is limited by seawater contact. Then, concrete is injected into pouring holes B, C, D, and d in sequence for counterweight. The concrete is injected to the through hole 31 and then stops. Then, concrete is injected into any of the eight pouring holes. Since the through hole 31 connects the eight pouring holes, the concrete can fill all eight pouring holes through the through hole 31. This avoids the problem of low counterweight injection efficiency caused by injecting concrete for counterweight in the area above the through hole 31 and changing the injection point multiple times when filling multiple independent spaces in sequence.

Claims

1. A novel multi-layered bulkhead structure for the counterweight compartment of a floating offshore wind turbine foundation, characterized in that, include: Central tube (1); The cabin cover (2) is fixed to the outside of the central cylinder (1), and there is a space between the inside of the cabin cover (2) and the outside of the central cylinder (1) to accommodate concrete. It also includes a bulkhead (3) fixed inside the hood (2) and outside the central cylinder (1). The bulkhead (3) divides the space into multiple casting holes. The bulkhead (3) is provided with a through hole (31) to connect the casting holes.

2. The novel floating offshore wind turbine foundation counterweight compartment multi-layer bulkhead structure as described in claim 1, characterized in that: The canopy (2) is vertically divided into a conical lower section (21) and a straight upper section (22); the horizontal projection of the canopy (2) is an ellipse.

3. The novel floating offshore wind turbine foundation counterweight compartment multi-layer bulkhead structure as described in claim 1, characterized in that: The central cylinder (1) has mounting holes in the middle for installation with the wind turbine float.

4. The novel floating offshore wind turbine foundation counterweight compartment multi-layer bulkhead structure as described in claim 1, characterized in that: The bulkhead (3) is fixed to the inner side of the cabin cover (2) and the outer side of the central cylinder (1) by bolts.

5. The novel floating offshore wind turbine foundation counterweight compartment multi-layer bulkhead structure as described in claim 1, characterized in that: The bulkhead (3) consists of eight panels, which divide the space into eight casting holes. The eight casting holes are, in order, casting hole A, casting hole a, casting hole B, casting hole b, casting hole C, casting hole c, casting hole D, and casting hole d. Casting holes A and a are symmetrically located at the minimum position of the elliptical cabin cover (2), and casting holes D and d are symmetrically located at the maximum position of the elliptical cabin cover (2). Casting holes B, b, C, and c are located in the transition section of the elliptical cabin cover (2).

6. The novel floating offshore wind turbine foundation counterweight compartment multi-layer bulkhead structure as described in claim 1, characterized in that: The through hole (31) corresponds to the upper section (22); the compartment plate (3) at the through hole (31) has a thickened layer.

Images