CN111469994A - Tension leg type floating fan foundation and floating fan - Google Patents

Abstract

The invention relates to a tension leg type floating fan foundation and a floating fan. The foundation of the tension-leg floating fan includes a main floating body structure, a plurality of truss girder structures, and a mooring mechanism connected to the free end of each truss girder structure. The mooring mechanism is used to connect with the seabed foundation. Each truss girder structure is installed on each installation surface in a one-to-one correspondence, and each resistance-increasing surface is a concave curved surface; the main floating body structure is provided with a counterweight cabin and an adjustment cabin. The counterweight cabin is filled with counterweight material, and the adjustment cabin can be adjusted and filled with adjustment liquid for controlling the draft depth of the main floating body structure; the main floating body structure is also installed with damping plates protruding from each resistance increasing surface . By using the tension leg floating fan foundation and floating fan of the present invention, the attached water quality and hydrodynamic damping are increased, the self-stability of the main floating body structure is enhanced, and the high frequency vibration of the main floating body structure is suppressed.

Description

A tension leg floating fan foundation and floating fan

technical field

The invention relates to the technical field of offshore wind power generation, in particular to a tension-leg floating fan foundation and a floating fan.

Background technique

In recent years, with the increasing global demand for clean and renewable energy, wind energy has become one of the most commercialized renewable and clean energy technologies, and has shown a vigorous development trend. From near sea to far sea. However, due to technical and economic problems, the application of fixed offshore wind turbines is limited to sea areas with a water depth of less than 50m. In order to obtain better wind energy and expand space resources for wind energy development, floating wind turbine technology has received extensive attention in recent years.

At present, the tension leg floating body is one of the main basic forms of floating fans. The traditional tension-leg floating body is mainly used in the field of oil and gas exploitation, and the horizontal force and yaw direction moment on the upper structure of the floating body are not obvious. Under the action of the large thrust, overturning moment and the rotational moment of the rotating wind wheel caused by the load, there are obvious horizontal plane motions, including the surge motion, the sway motion and the yaw motion. In addition, the existing tension leg-type floating body is also prone to high-frequency vibration and tight tension leg flutter, which in turn causes the floating body and the tension legs to be fatigued in use and reduces the service life. In addition, the existing tension-leg floating body also has problems such as insufficient damping against horizontal plane motion and poor self-stability, which seriously affects the performance of the tension-leg floating fan. In view of the above situation, designing a new type of tension leg floating fan foundation and floating fan has become an urgent problem to be solved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a tension leg floating fan foundation, which is used to solve the technical problems of unreasonable structural design of the floating fan in the prior art and affecting the performance of the floating fan. Another object of the present invention is to provide a floating fan based on the above-mentioned tension leg floating fan.

In order to achieve the above purpose, the present invention provides a tension-leg floating fan foundation, which adopts the following technical solutions:

A tension leg type floating fan foundation includes a main floating body structure, a plurality of truss girder structures, and a mooring mechanism connected to the free end of each truss girder structure. There are a plurality of installation surfaces and a plurality of resistance increasing surfaces alternately distributed on the surface, each truss beam structure is installed on each mounting surface in a one-to-one correspondence, and each resistance increasing surface is a concave curved surface; the main floating body structure is provided with A counterweight cabin and an adjustment cabin, the counterweight cabin is filled with counterweight materials, and the adjustment cabin is adjustable and filled with adjustment liquid for controlling the draft depth of the main floating body structure; the main floating body structure is also installed with a protruding body Damping plates on each resistance increasing surface.

Further, the mooring mechanism includes a tie rod structure and a rope chain structure, the tie rod structure and the truss beam structure are vertically arranged, and the included angle formed by the rope chain structure and the truss beam structure is an obtuse angle.

Further, the rope chain structure includes a rope chain and an anchor box arranged at the free end of the truss girder structure. Chain winding device.

Further, the tie rod structure includes tension legs, and both ends of the tension legs are connected to the truss girder structure and the subsea foundation respectively by means of spherical hinges.

Further, a reinforcing member is provided in the main floating body structure, and the reinforcing member includes a reinforcing plate and a reinforcing rib.

Further, there are a plurality of the reinforcing plates, each reinforcing plate is vertically crossed and divides the inner cavity of the main floating body structure into a plurality of sub-cavities, and the reinforcing ribs are fixed on the reinforcing plates.

Further, the counterweight cabin is located at the bottom of the main floating body structure, and the adjustment cabin is located above the counterweight cabin.

Further, the truss beam structure is tapered, the larger end of the truss beam structure is fixedly connected to the mounting surface, and the smaller end constitutes the free end and extends to the outside.

Further, a transitional floating body structure is also included, and the transitional floating body structure is arranged on the top of the main floating body structure and used for installing wind power equipment.

The present invention also provides a floating fan, and the floating fan adopts the following technical scheme:

A floating fan includes wind power equipment and a tension leg floating fan foundation installed under the wind power equipment. The tension leg floating fan base includes a main floating body structure, a plurality of truss girder structures and a mooring mechanism connected to the free ends of the truss girder structures. , the mooring mechanism is used to connect with the seabed foundation, the outer peripheral surface of the main floating body structure is alternately distributed with a plurality of installation surfaces and a plurality of resistance increasing surfaces, and each truss beam structure is installed on each installation surface in a one-to-one correspondence. Each resistance-increasing surface is a concave curved surface; the main floating body structure is provided with a counterweight cabin and an adjustment cabin, the counterweight cabin is filled with counterweight materials, and the adjustment cabin is adjustable and filled with a control cabin. Adjusting fluid for the draft depth of the main floating body structure; damping plates protruding from each resistance increasing surface are also installed on the main floating body structure.

Further, the mooring mechanism includes a tie rod structure and a rope chain structure, the tie rod structure and the truss beam structure are vertically arranged, and the included angle formed by the rope chain structure and the truss beam structure is an obtuse angle.

Further, the rope chain structure includes a rope chain and an anchor box arranged at the free end of the truss girder structure. Chain winding device.

Further, the tie rod structure includes tension legs, and both ends of the tension legs are connected to the truss girder structure and the subsea foundation respectively by means of spherical hinges.

Further, a reinforcing member is provided in the main floating body structure, and the reinforcing member includes a reinforcing plate and a reinforcing rib.

Further, there are a plurality of the reinforcing plates, each reinforcing plate is vertically crossed and divides the inner cavity of the main floating body structure into a plurality of sub-cavities, and the reinforcing ribs are fixed on the reinforcing plates.

Further, the counterweight cabin is located at the bottom of the main floating body structure, and the adjustment cabin is located above the counterweight cabin.

Further, the truss beam structure is tapered, the larger end of the truss beam structure is fixedly connected to the mounting surface, and the smaller end constitutes the free end and extends to the outside.

Further, a transitional floating body structure is also included, and the transitional floating body structure is arranged on the top of the main floating body structure and used for installing wind power equipment.

Compared with the prior art, a tension-leg floating fan foundation and a floating fan in the embodiment of the present invention have the beneficial effects that: by using the tension-leg floating fan base and floating fan of the present invention, the main floating body The outer peripheral side of the structure is provided with a resistance-increasing surface, which can increase the contact area with water, and increase the attached water mass and hydrodynamic damping, so that when the main floating body structure moves horizontally, the seawater will exert pressure on the main floating body structure. The force acting in the opposite direction of the movement, thereby slowing down the horizontal movement. In addition, the main floating body structure of the present invention is provided with a counterweight cabin and an adjustment cabin, and the counterweight material filled in the counterweight cabin can adjust the position of the center of gravity, so that the center of gravity of the main floating body structure is lower than the center of buoyancy, and the main floating body structure is strengthened. It avoids the problem that the main floating body structure is prone to overturning after the mooring structure is broken. The draft depth of the main floating body structure can be adjusted by filling different amounts of adjusting liquid into the adjusting cabin, so that the main floating body can meet the requirements of immersion depth under different working conditions. Since the damping plate of the present invention needs to protrude from each resistance increasing surface, when the main floating body structure floats up and down, the damping plate and the seawater can form mutual blocking, so as to restrain the main floating body structure from floating up and down, thereby restraining the main floating body The high-frequency vibration of the structure avoids the use of fatigue. The truss girder structure in the present invention plays a role in increasing the force arm of the mooring mechanism on the one hand, increasing the restoring moment, and on the other hand, it has the characteristics of light structure, which reduces the overall steel consumption and reduces the cost.

Further, by arranging the tie rod structure and the rope chain structure, the tie rod can limit the movement in the vertical direction, and the rope chain structure can limit the movement in the horizontal direction, which further ensures the stability of the structure. It overcomes the shortcomings of traditional tension-leg floating fans, such as poor self-stability, easy overturning, and insufficient horizontal movement constraints.

Description of drawings

1 is a schematic diagram of the overall structure of a floating fan according to an embodiment of the present invention;

2 is a schematic diagram of the overall structure of the foundation of the tension-leg floating fan of the floating fan according to the embodiment of the present invention;

Fig. 3 is a partial enlarged view of Fig. 2;

FIG. 4 is a schematic diagram of a free end structure of a truss girder structure of a floating fan according to an embodiment of the present invention.

In the figure, 1-wind power equipment, 2-fan foundation, 201-main floating body structure, 202-truss beam structure, 203-tie rod structure, 204-rope chain structure, 205-round pedestal, 206-support cylinder, 207-output cable , 208- resistance increase surface, 209- installation surface, 210- damping plate, 211- cloth anchor box.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

As shown in FIG. 1 to FIG. 4 , a floating fan is a preferred embodiment of the embodiment of the present invention. The floating fan includes wind power equipment 1 and a tension leg floating fan foundation (hereinafter referred to as fan base 2) installed under the wind power equipment 1. The tension leg floating fan base includes a main floating body structure 201, a plurality of truss beam structures 202 and a The mooring mechanism at the free end of each truss girder structure 202, the mooring mechanism is used to connect with the seabed foundation, the outer peripheral surface of the main floating body structure 201 is alternately distributed with a plurality of installation surfaces 209 and a plurality of resistance increasing surfaces 208, each The truss girder structures 202 are installed on each mounting surface 209 in a one-to-one correspondence, and each resistance increasing surface 208 is a concave curved surface; the main floating body structure 201 is provided with a counterweight cabin and an adjustment cabin, and the counterweight cabin is inside Filled with weight material, the adjustment cabin can be filled with adjustment liquid for controlling the draft depth of the main floating body structure 201 ;

Specifically, in this embodiment, the wind power equipment 1 includes a tower, a fan rotor and a nacelle, wherein the nacelle is installed on the top of the tower, the nacelle can rotate around the tower, and the fan rotor is installed on the nacelle. The rotor of the medium fan includes blades and a hub, and the power generation of the wind power equipment 1 can be realized by the rotation of the blades. In this embodiment, the wind power equipment 1 is also connected with an output cable 207 . The output cable 207 is passed through the main floating body structure 201 and protrudes from the bottom of the main floating body structure 201 , and the electric energy generated by the wind power equipment 1 can be transmitted through the output cable 207 . . Since the wind power equipment 1 is in the prior art, the specific structure and working principle of the wind power equipment 1 will not be described in detail in this embodiment.

In this embodiment, the wind power equipment 1 is installed on the wind turbine foundation 2, and the wind turbine foundation 2 includes a main floating body structure 201, a transition floating body structure, a truss beam structure 202 and a mooring mechanism. In this embodiment, there are three truss girder structures 202. The three truss girder structures 202 are arranged at equal intervals along the circumferential direction of the main floating body structure 201. One end of each truss girder structure 202 is fixedly connected to the main floating body structure 201, and the other end is Overhanging to the outside, the overhanging end of each truss beam structure 202 constitutes a free end. In this embodiment, the mooring mechanisms are all arranged at the free ends of each truss girder structure 202, and there are three corresponding mooring mechanisms.

In this embodiment, the main floating body structure 201 is a columnar structure, the horizontal section of the main floating body structure 201 is Y-shaped, and the outer peripheral surface of the main floating body structure 201 is provided with a resistance increasing surface 208 and a mounting surface 209 , the resistance increasing surface 208 and the mounting surface There are three resistance-increasing surfaces 209 and mounting surfaces 209 alternately distributed along the circumferential direction. Specifically, in this embodiment, the three mounting surfaces 209 are all flat, and the three resistance increasing surfaces 208 are all concave curved surfaces, and each resistance increasing surface 208 is concave from the left and right sides to the middle. In order to enhance the damping effect, in this embodiment, the area of the resistance increasing surface 208 is larger than that of the mounting surface 209 . In this embodiment, the resistance increasing surfaces 208 can increase the attached water mass and hydrodynamic damping of the main floating body structure 201. When the main floating body structure 201 moves horizontally, a resistance effect will be formed between the corresponding two resistance increasing surfaces 208 and the water body. , so as to slow down the horizontal movement of the main floating body structure 201 .

In this embodiment, the interior of the main floating body structure 201 is hollow. In order to enhance the structural strength of the main floating body structure 201, a reinforcing member is provided in the main floating body structure 201 in this embodiment. The reinforcing member includes a reinforcing plate and a reinforcing rib. This embodiment There are a plurality of middle reinforcing plates, and each reinforcing plate is arranged in a vertical cross. Specifically, the reinforcing plates can be divided into vertical reinforcing plates and horizontal reinforcing plates according to the arrangement orientation. The horizontal reinforcing plates and the upper and lower sides of the main floating body structure 201 are parallel and vertical. The reinforcing plates are perpendicular to the upper and lower surfaces of the main floating body structure 201 , and these reinforcing plates divide the interior of the main floating body structure 201 into a plurality of sub-cavities. In order to further strengthen the structural strength of the plates, in this embodiment, reinforcing ribs are welded and fixed on each of the reinforcing plates.

In this embodiment, the main floating body structure 201 is provided with a counterweight cabin and an adjustment cabin, wherein the counterweight cabin is located at the bottom of the main floating body structure 201, and the adjustment cabin is located above the counterweight cabin. Both the counterweight chamber and the adjustment chamber can be regarded as a collection of a plurality of the above-mentioned sub-chambers. In this embodiment, a counterweight material is filled in the counterweight cabin, and the counterweight material mainly plays the role of increasing the ballast weight, and the counterweight material can be selected from concrete, ore, sand, and the like. The filling of the counterweight material can reduce the center of gravity of the main floating body structure 201, and make the center of gravity of the main floating body structure 201 lower than the center of buoyancy, so that the main floating body structure 201 has better self-stabilizing properties, thereby overcoming the traditional tension legs The self-stability of the floating body is poor, and it is easy to overturn after the mooring mechanism breaks.

In this embodiment, the conditioning compartment is filled with a conditioning liquid, and the conditioning liquid is seawater, but may also be fresh water in other embodiments. The adjustment of the immersion depth (draught) of the main floating body structure 201 can be realized by filling different amounts of conditioning liquid into the adjustment cabin, so that the main floating body structure 201 can meet the requirements of different immersion depths under different working conditions.

In order to reduce the vertical vibration frequency, in this embodiment, a damping plate 210 is also installed at the bottom of the main floating body structure 201 . The damping plate 210 is a hexagonal flat plate, and the shape of the damping plate 210 is suitable for the bottom surface of the main floating body structure 201 . The damping plate 210 has three short edges and three long edges, and the three short edges and the three long edges are alternately distributed along the circumferential direction. The three short edges are flush with the three mounting surfaces 209 respectively, and the three long edges protrude from the three resistance increasing surfaces 208 . In this way, when the main floating body structure 201 floats up and down, the damping plate 210 protruding from the resistance-increasing surface 208 forms a stop with the sea water, thereby restraining the main floating body structure 201 from floating up and down, and reducing the up and down vibration frequency.

In this embodiment, the three truss girder structures 202 are all fixed at the top positions of the corresponding installation surfaces 209 . In this embodiment, each truss girder structure 202 is of a cone shape, specifically a quadrangular pyramid frustum shape, and the larger end is connected to the The mounting surface 209 is fixedly connected, and the smaller end constitutes the free end and extends to the outside. In this embodiment, the truss beam structure 202 includes four long rods and many short rods. The four long rods respectively form the four edges of the quadrangular pyramid, and each short rod is fixed between any two adjacent long rods. In the present embodiment, the short bars located on the same side of each truss girder structure 202 are arranged in a V-shaped end connection. It should be noted that in this embodiment, the two long rods above each truss girder structure 202 are in the same plane as the top surface of the main floating body structure 201 , and the two long rods below each truss girder structure 202 are inclined downward. Extended settings.

In this embodiment, the three mooring mechanisms are respectively fixedly connected to the free ends of the corresponding truss beam structures 202 . Specifically, the mooring mechanisms in this embodiment include a tie rod structure 203 and a rope chain structure 204 , and a tie rod structure 203 and a truss beam structure 202 It is vertically arranged, and the included angle formed by the rope chain structure 204 and the truss beam structure 202 is an obtuse angle, wherein the tie rod structure 203 is located within the obtuse angle formed by the truss beam structure 202 and the rope chain structure 204 . In this embodiment, the rope and chain structure 204 includes a rope chain and an anchor box 211 arranged at the free end of the truss girder structure 202. The rope chain is used to connect the truss beam structure 202 to the subsea foundation. Chain winding device for putting rope chain. Specifically, in this embodiment, the rope chain is a rope such as a polyester fiber cable, and a stop ring anchor chain can also be used in other embodiments. In this embodiment, the anchor box 211 is in the shape of a rectangular parallelepiped, and the anchor box 211 is provided with a perforating hole for the rope chain to pass through. In this embodiment, a rope take-up device is installed in the anchor box 211, and the rope take-up device is specifically a winch, and the extension length of the rope chain can be adjusted by rotating the winch.

In this embodiment, the tie rod structure 203 includes tension legs, and the tension legs are steel pipes. In this embodiment, the tie rod structure 203 includes two tension legs arranged in parallel. In this embodiment, each tension leg is vertically arranged, and the upper and lower ends of the tension leg are connected with the anchor box 211 and the subsea foundation respectively by means of spherical hinges. Specifically, in this embodiment, the anchor box 211 and the subsea foundation are connected The upper and lower ends of the tension legs are provided with spherical shells, and the upper and lower ends of the tension legs are provided with spherical bodies embedded in the spherical shells. The movement of the fan foundation 2 in the up and down direction is restricted by means of spherical hinge connection, while each truss girder structure 202 and the tension legs can rotate freely.

It should be noted that, in this embodiment, the seabed foundation is an anchoring structure that can withstand horizontal and vertical tension, such as a gravity foundation, a negative pressure cylinder structure, or a pile foundation. The seabed foundation is fixed on the seabed. In this embodiment, the spherical shell at the bottom end of the tension leg and the bottom end of the rope chain are fixedly connected to the seabed foundation by means of anchoring.

In this embodiment, a transition floating body structure is also provided on the top of the main floating body structure 201. In this embodiment, the transition floating body structure includes a circular pedestal 205 and a supporting cylinder 206. The bottom end) is connected and fixed with the main floating body structure 201 , and the support cylinder 206 is connected and fixed with the other end (top end) of the circular pedestal 205 . In this embodiment, the bottom edge of the pedestal 205 is tangent to the top edges of the three resistance increasing surfaces 208 of the main floating body structure 201 , and the cross-sectional dimension of the support cylinder 206 is equal to the top surface of the pedestal 205 . In this embodiment, the tower of the wind power equipment 1 is connected and fixed with the support cylinder 206, and the connection and fixing method is flange bolt connection.

The working process of the invention is as follows: firstly, the floating fan is installed in the relevant sea area, and the adjustment of the draft of the floating fan is realized by filling different amounts of adjustment liquids into the adjustment cabin. During use, the sea breeze will drive the wind power equipment 1 to rotate and generate electric energy, and the generated electric energy will be transmitted through the output cable 207 .

In addition, during use, the tie rod structure 203 will play a role in restraining the floating fan from floating up and down, and the rope chain structure 204 will play a role in restricting the horizontal movement of the floating fan. When pushed by the wind, the corresponding drag-increasing surface 208 increases the attached water mass and hydrodynamic damping of the main floating structure, thereby acting to inhibit horizontal movement. When the floating fan floats up and down, the damping plate 210 will mutually block the seawater, so as to restrain the violent vibration.

Embodiments of the foundation of the tension-leg type floating fan of the present invention: the specific structure of the foundation of the tension-leg type floating fan is the same as the specific structure of the fan base 2 in the above-mentioned floating fan, and will not be repeated here.

To sum up, the embodiment of the present invention provides a tension-leg floating fan foundation and a floating fan. By using the tension-leg floating fan base and floating fan of the present invention, the main floating body structure 201 is provided on the outer peripheral side of the main floating body structure 201 . There is a resistance-increasing surface 208, and the resistance-increasing surface 208 can increase the contact area with water, and increase the attached water quality and hydrodynamic damping, so that when the main floating body structure 201 moves horizontally, the seawater will exert and move the main floating body structure 201. The force in the opposite direction acts to slow down the horizontal movement.

In addition, the main floating body structure 201 of the present invention is provided with a counterweight cabin and an adjustment cabin, and the counterweight material filled in the counterweight cabin can adjust the position of the center of gravity, so that the center of gravity of the main floating body structure 201 is lower than the center of buoyancy, enhancing the main The self-stability of the floating body structure 201 avoids the problem that the main floating body structure 201 is easily overturned after the mooring structure is broken. The draft depth of the main floating body structure 201 can be adjusted by filling different amounts of the adjusting liquid into the adjusting cabin, so that the main floating body can meet the requirements of the immersion depth under different working conditions.

Since the damping plate 210 of the present invention needs to protrude from each resistance increasing surface 208, when the main floating body structure 201 floats up and down, the damping plate 210 and the sea water can form mutual blocking, thereby preventing the main floating body structure 201 from floating up and down. Further, the high-frequency vibration of the main floating body structure 201 is suppressed, and fatigue use is avoided. In the present invention, the truss girder structure 202 on the one hand plays a role of increasing the force arm of the mooring mechanism, increasing the restoring moment, and on the other hand, it also has the characteristics of light structure, which reduces the overall steel consumption and reduces the cost.

By arranging the tie rod structure 203 and the rope chain structure 204, the tie rod can limit the movement in the vertical direction, and the rope chain structure 204 can limit the movement in the horizontal direction, which further ensures the stability of the structure. It overcomes the shortcomings of traditional tension-leg floating fans, such as poor self-stability, easy overturning, and poor horizontal movement constraints.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a fan basis is floated to tension leg formula which characterized in that: the mooring structure comprises a main floating body structure (201), a plurality of truss girder structures (202) and mooring mechanisms connected to free ends of the truss girder structures (202), wherein the mooring mechanisms are used for being connected with a seabed foundation, a plurality of mounting surfaces (209) and a plurality of resistance increasing surfaces (208) are alternately distributed on the peripheral surface of the main floating body structure (201), the truss girder structures (202) are correspondingly mounted on the mounting surfaces (209) one by one, and the resistance increasing surfaces (208) are all concave curved surfaces; a counterweight cabin and an adjusting cabin are arranged in the main floating body structure (201), counterweight materials are filled in the counterweight cabin, and adjusting liquid for controlling the draft of the main floating body structure (201) is adjustably filled in the adjusting cabin; and damping plates (210) protruding out of the resistance-increasing surfaces (208) are further mounted on the main floating body structure (201).

2. The tension leg floating fan foundation of claim 1, wherein: the mooring mechanism comprises a pull rod structure (203) and a rope chain structure (204), wherein the pull rod structure (203) is perpendicular to the truss girder structure (202), and an included angle formed by the rope chain structure (204) and the truss girder structure (202) is an obtuse angle.

3. The tension leg floating fan foundation of claim 2, wherein: the rope chain structure (204) comprises a rope chain and a cloth anchor box (211) arranged at the free end of the truss girder structure (202), the rope chain is used for connecting the truss girder structure (202) with a seabed foundation, and a chain winding device used for winding and unwinding the rope chain is installed in the cloth anchor box (211).

4. The tension leg floating fan foundation of claim 2, wherein: the pull rod structure (203) comprises tension legs, and two ends of each tension leg are connected with the truss girder structure (202) and the seabed foundation respectively in a spherical hinge mode.

5. The tension leg floating fan foundation of claim 1, wherein: and a reinforcing member is arranged in the main floating body structure (201), and comprises a reinforcing plate and reinforcing ribs.

6. The tension leg floating fan foundation of claim 5, wherein: the reinforcing plates are arranged in a vertically crossed mode and divide the inner cavity of the main floating body structure (201) into a plurality of sub cavities, and the reinforcing ribs are fixed on the reinforcing plates.

7. The tension leg floating fan foundation of claim 1, wherein: the counterweight cabin is located at the bottom of the main floating body structure (201), and the adjusting cabin is located above the counterweight cabin.

8. The tension leg floating fan foundation of claim 1, wherein: the truss girder structure (202) is in a conical shape, one end of the truss girder structure (202) with a larger size is fixedly connected with the installation surface (209), and one end with a smaller size forms the free end and extends to the outer side.

9. The tension leg floating fan foundation of claim 1, wherein: the wind power generation device is characterized by further comprising a transition floating body structure, wherein the transition floating body structure is arranged at the top of the main floating body structure (201) and is used for installing wind power equipment (1).

10. The utility model provides a float formula fan, includes wind power equipment (1) and installs the tension leg type in wind power equipment (1) below and float the fan basis, its characterized in that: the tension leg type floating fan foundation (2) adopts the tension leg type floating fan foundation (2) as claimed in any one of claims 1 to 9.

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