CN111469994A - Tension leg type floating fan foundation and floating fan - Google Patents
Tension leg type floating fan foundation and floating fan Download PDFInfo
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- CN111469994A CN111469994A CN202010284574.1A CN202010284574A CN111469994A CN 111469994 A CN111469994 A CN 111469994A CN 202010284574 A CN202010284574 A CN 202010284574A CN 111469994 A CN111469994 A CN 111469994A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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Abstract
The invention relates to a tension leg type floating fan foundation and a floating fan. The tension leg type floating fan foundation comprises a main floating body structure, a plurality of truss girder structures and mooring mechanisms connected to free ends of the truss girder structures, wherein the mooring mechanisms are used for being connected with a seabed foundation, a plurality of mounting surfaces and a plurality of resistance increasing surfaces are alternately distributed on the peripheral surface of the main floating body structure, the truss girder structures are correspondingly mounted on the mounting surfaces one by one, and the resistance increasing surfaces are concave curved surfaces; a counterweight cabin and an adjusting cabin are arranged in the main floating body structure, counterweight materials are filled in the counterweight cabin, and adjusting liquid for controlling the draft of the main floating body structure is adjustably filled in the adjusting cabin; and the main floating body structure is also provided with damping plates protruding out of each resistance-increasing surface. By adopting the tension leg type floating fan foundation and the floating fan, the attached water mass 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 inhibited.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation, in particular to a tension leg type floating fan foundation and a floating fan.
Background
In recent years, with the global increasing demand for clean renewable energy, wind power has become one of the most commercialized renewable clean energy technologies and is in a state of vigorous development, and wind power generation has also gradually moved from land to sea, and from offshore to open sea. However, the use of fixed offshore wind turbines is limited to sea areas with water depth of 50m due to technical and economic problems, and floating wind turbine technology has attracted much attention in recent years in order to obtain higher-quality wind energy and expand the space resources for wind energy development.
At present, the tension leg type floating body is one of the main basic forms of the floating type fan. The traditional tension leg type floating body is mainly used in the field of oil and gas exploitation, horizontal acting force and yawing moment borne by the upper structure of the floating body are not obvious, but for a floating type fan, due to the fact that the structure of the floating type fan is high, under the action of large thrust, overturning moment and rotating moment of a rotating wind wheel caused by wind load, obvious horizontal plane motion exists, including surging motion, swaying motion and yawing motion. In addition, the existing tension leg type floating body is easy to generate high-frequency vibration and tension leg vibration, thereby causing fatigue use of the floating body and the tension leg and reducing the service life. In addition, the existing tension leg type floating body also has the problems of insufficient resistance to horizontal plane motion damping, poor self-stability and the like, and the performance of the tension leg type floating fan is seriously influenced. In view of the above, it is an urgent need to design a new tension leg type floating fan foundation and floating fan.
Disclosure of Invention
The invention aims to provide a tension leg type floating fan foundation which is used for solving the technical problem that the structural design of a floating fan in the prior art is unreasonable and the use performance of the floating fan is influenced. The invention also aims to provide a floating fan applying the tension leg type floating fan foundation.
In order to achieve the purpose, the invention provides a tension leg type floating fan foundation, which adopts the following technical scheme:
a tension leg type floating fan foundation comprises a main floating body structure, a plurality of truss girder structures and mooring mechanisms connected to free ends of the truss girder structures, wherein the mooring mechanisms are used for being connected with a seabed foundation, a plurality of installation surfaces and a plurality of resistance increasing surfaces are alternately distributed on the outer peripheral surface of the main floating body structure, the truss girder structures are correspondingly installed on the installation surfaces one by one, and the resistance increasing surfaces are concave curved surfaces; a counterweight cabin and an adjusting cabin are arranged in the main floating body structure, counterweight materials are filled in the counterweight cabin, and adjusting liquid for controlling the draft of the main floating body structure can be adjustably filled in the adjusting cabin; and the main floating body structure is also provided with damping plates protruding out of each resistance-increasing surface.
Further, the mooring mechanism comprises a pull rod structure and a rope chain structure, the pull rod structure is perpendicular to the truss girder structure, and an included angle formed by the rope chain structure and the truss girder structure is an obtuse angle.
Furthermore, the rope chain structure comprises a rope chain and an anchor distribution box arranged at the free end of the truss girder structure, the rope chain is used for connecting the truss girder structure with the seabed foundation, and a chain winding device used for winding and unwinding the rope chain is installed in the anchor distribution box.
Furthermore, the pull rod structure comprises a tension leg, and two ends of the tension leg are connected with the truss girder structure and the seabed foundation respectively in a spherical hinge mode.
Further, a reinforcing member is arranged in the main floating body structure and comprises a reinforcing plate and reinforcing ribs.
Furthermore, the reinforcing plates are arranged in a vertically crossed mode and divide 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 adjusting cabin is located above the counterweight cabin.
Furthermore, the truss girder structure is conical, one end of the truss girder structure with larger size is fixedly connected with the installation surface, and one end of the truss girder structure with smaller size forms the free end and extends to the outer side.
Further, the wind power generation device further comprises a transition floating body structure, wherein the transition floating body structure is arranged at the top of the main floating body structure and is used for installing wind power equipment.
The invention also provides a floating fan, which adopts the following technical scheme:
a floating type fan comprises wind power equipment and a tension leg type floating fan foundation arranged below the wind power equipment, wherein the tension leg type floating fan foundation comprises a main floating body structure, a plurality of truss girder structures and mooring mechanisms connected to free ends of the truss girder structures, the mooring mechanisms are used for being connected with a seabed foundation, a plurality of mounting surfaces and a plurality of resistance increasing surfaces are alternately distributed on the peripheral surface of the main floating body structure, the truss girder structures are correspondingly mounted on the mounting surfaces one by one, and the resistance increasing surfaces are concave curved surfaces; a counterweight cabin and an adjusting cabin are arranged in the main floating body structure, counterweight materials are filled in the counterweight cabin, and adjusting liquid for controlling the draft of the main floating body structure can be adjustably filled in the adjusting cabin; and the main floating body structure is also provided with damping plates protruding out of each resistance-increasing surface.
Further, the mooring mechanism comprises a pull rod structure and a rope chain structure, the pull rod structure is perpendicular to the truss girder structure, and an included angle formed by the rope chain structure and the truss girder structure is an obtuse angle.
Furthermore, the rope chain structure comprises a rope chain and an anchor distribution box arranged at the free end of the truss girder structure, the rope chain is used for connecting the truss girder structure with the seabed foundation, and a chain winding device used for winding and unwinding the rope chain is installed in the anchor distribution box.
Furthermore, the pull rod structure comprises a tension leg, and two ends of the tension leg are connected with the truss girder structure and the seabed foundation respectively in a spherical hinge mode.
Further, a reinforcing member is arranged in the main floating body structure and comprises a reinforcing plate and reinforcing ribs.
Furthermore, the reinforcing plates are arranged in a vertically crossed mode and divide 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 adjusting cabin is located above the counterweight cabin.
Furthermore, the truss girder structure is conical, one end of the truss girder structure with larger size is fixedly connected with the installation surface, and one end of the truss girder structure with smaller size forms the free end and extends to the outer side.
Further, the wind power generation device further comprises a transition floating body structure, wherein the transition floating body structure is arranged at the top of the main floating body structure and is used for installing wind power equipment.
Compared with the prior art, the tension leg type floating fan foundation and the floating fan provided by the embodiment of the invention have the beneficial effects that: by adopting the tension leg type floating fan foundation and the floating fan, the resistance-increasing surface is arranged on the outer peripheral side of the main floating body structure, so that the contact area between the resistance-increasing surface and water can be increased, the attached water mass and hydrodynamic damping can be increased, and when the main floating body structure moves horizontally, the seawater can apply an acting force opposite to the movement direction on the main floating body structure, thereby playing a role in slowing down the horizontal movement. In addition, the balance weight cabin and the adjusting cabin are arranged in the main floating body structure, and the balance weight material filled in the balance weight 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 floating center, the self-stability of the main floating body structure is enhanced, and the problem that the main floating body structure is easy to overturn after the mooring structure is broken is solved. And the draft 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 the immersion depth under different working states. Because the damping plate of the invention protrudes out of each resistance-increasing surface, when the main floating body structure floats up and down, the damping plate and the seawater can form a mutual stop, thereby playing a role in restraining the main floating body structure from floating up and down, further restraining the high-frequency vibration of the main floating body structure and avoiding fatigue use. The truss girder structure has the advantages of increasing the acting force arm of the mooring mechanism and increasing the restoring moment, along with light structure, reduction in the overall steel consumption and reduction in the cost.
Further, through setting up draw bar structure and rope chain structure, the pull rod can play the effect of restriction vertical direction motion, and the rope chain structure can play the effect of restriction horizontal direction motion, has further guaranteed the stability of structure. The defects of poor self-stability, easy overturning, insufficient horizontal motion constraint and the like of the traditional tension leg type floating fan are overcome.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a floating wind turbine according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of a tension leg type floating fan foundation of a floating fan according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic structural view of a free end of a truss girder structure of a floating wind turbine according to an embodiment of the present invention.
In the figure, 1-wind power equipment, 2-wind turbine foundation, 201-main floating body structure, 202-truss girder structure, 203-pull rod structure, 204-rope chain structure, 205-round pedestal, 206-supporting cylinder, 207-output cable, 208-resistance-increasing surface, 209-mounting surface, 210-damping plate and 211-anchor distribution box.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, a floating type wind turbine according to a preferred embodiment of the present invention. The floating type fan comprises wind power equipment 1 and a tension leg type floating fan foundation (hereinafter referred to as a fan foundation 2) arranged below the wind power equipment 1, wherein the tension leg type floating fan foundation 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, 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 arranged on the mounting surfaces 209 one by one, and the resistance increasing surfaces 208 are 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 can be filled in the adjusting cabin; the main floating body structure 201 is also provided with damping plates 210 protruding from each resistance-increasing surface 208.
Specifically, the wind power generation device 1 in this embodiment includes a tower, a wind turbine rotor and a nacelle, wherein the nacelle is installed on the top of the tower, the nacelle can rotate around the tower in a plane, and the wind turbine rotor is installed on the nacelle, and in this embodiment, the wind turbine rotor includes a blade and a hub, and the wind power generation device 1 can generate power by rotating the blade. In this embodiment, the wind power plant 1 is further connected with an output cable 207, the output cable 207 is arranged in the main floating body structure 201 in a penetrating manner and penetrates out from the bottom of the main floating body structure 201, and the electric energy generated by the wind power plant 1 can be transmitted through the output cable 207. Since the wind power plant 1 is the prior art, the specific structure and the working principle of the wind power plant 1 are not described in detail in this embodiment.
In this embodiment, the wind power plant 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 girder structure 202, and a mooring mechanism. In this embodiment, the number of the truss girder structures 202 is three, and 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 with the main floating body structure 201, the other end of each truss girder structure 202 is cantilevered to the outside, and one cantilevered end of each truss girder structure 202 forms a free end. In this embodiment, three mooring mechanisms are provided at the free end of each truss beam structure 202.
In this embodiment, the main floating body structure 201 is a columnar structure, the horizontal cross section of the main floating body structure 201 is a Y shape, the peripheral surface of the main floating body structure 201 is provided with three resistance increasing surfaces 208 and three mounting surfaces 209, and the resistance increasing surfaces 208 and the mounting surfaces 209 are sequentially and alternately distributed along the circumferential direction. Specifically, in the present embodiment, the three mounting surfaces 209 are all flat surfaces, the three resistance increasing surfaces 208 are all concave curved surfaces, and each resistance increasing surface 208 is concave from the left side to the right side to the middle. In order to enhance the damping effect, the areas of the resistance-increasing surfaces 208 are larger than the area of the mounting surface 209 in the present embodiment. In this embodiment, the resistance-increasing surfaces 208 can increase the attached water mass and hydrodynamic damping of the main floating structure 201, and when the main floating structure 201 moves horizontally, a resistance effect is formed between the two corresponding resistance-increasing surfaces 208 and the water body, so as to slow down the horizontal movement of the main floating structure 201.
The inside of main body structure 201 is cavity in this embodiment, in order to strengthen the structural strength of main body structure 201, be provided with reinforcing member in main body structure 201 in this embodiment, reinforcing member includes reinforcing plate and strengthening rib, the reinforcing plate has a plurality ofly in this embodiment, each reinforcing plate vertical cross arranges, it is specific, the reinforcing plate can be divided into vertical reinforcing plate and horizontal reinforcing plate according to arranging the position, wherein the upper and lower two sides of horizontal reinforcing plate and main body structure 201 are parallel, vertical reinforcing plate then is perpendicular with the upper and lower two sides of main body structure 201, these reinforcing plates separate the inside cavity of main body structure 201 for a plurality of subcavities. In order to further enhance the strength of the structure of the plate, in the present embodiment, a reinforcing rib is welded and fixed to each reinforcing plate.
In this embodiment, a counterweight cabin and a regulating cabin are disposed inside the main floating body structure 201, wherein the counterweight cabin is located at the bottom of the main floating body structure 201, and the regulating cabin is located above the counterweight cabin. Both the weight chamber and the conditioning chamber may be considered as a collection of a plurality of such sub-chambers. In this embodiment, the counterweight cabin is filled with counterweight materials, and the counterweight materials mainly play a role in increasing ballast weight, and can be selected from concrete, ore sand, gravel and the like. The filling of the counterweight material can play a role in reducing the center of gravity of the main floating body structure 201, and the center of gravity of the main floating body structure 201 is lower than the floating center, so that the main floating body structure 201 has better self-stability characteristics, and the problems that the floating body of the traditional tension leg has poor self-stability and is easy to overturn after the mooring mechanism breaks are solved.
In the present embodiment, the conditioning chamber is filled with a conditioning liquid, specifically, seawater, but in other embodiments, fresh water or the like may be used. The adjustment of the immersion depth (draft) of the main floating body structure 201 can be realized by filling different amounts of conditioning liquid into the conditioning cabin, so that the main floating body structure 201 can meet the requirements of different immersion depths under different working states.
In order to reduce the vertical vibration frequency, in this embodiment, a damping plate 210 is further installed at the bottom of the main floating body structure 201, the damping plate 210 is a hexagonal flat plate, the shape of the damping plate 210 is adapted to 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. Three of the short edges are flush with the three mounting surfaces 209, and three of the long edges protrude from the three resistance-increasing surfaces 208. Thus, when the main floating body structure 201 floats up and down, the damping plates 210 protruding out of the resistance-increasing surface 208 form a stop with the seawater, so that the main floating body structure 201 is restrained from floating up and down, and the up-and-down vibration frequency is reduced.
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 in a conical shape, specifically, a quadrangular frustum shape, and the end with the larger size is fixedly connected with the installation surface 209, and the end with the smaller size forms the free end and extends to the outside. In this embodiment, the truss girder structure 202 includes four long rods and a plurality of short rods, the four long rods respectively form four edges of the quadrangular frustum pyramid, and each short rod is fixed between any two adjacent long rods, and the short rods on the same side of each truss girder structure 202 are arranged in a V-shaped end-to-end connection manner in this embodiment. 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 disposed to extend obliquely downward.
In this embodiment, three mooring mechanisms are respectively and fixedly connected to the free ends of the corresponding truss girder structures 202, specifically, the mooring mechanisms in this embodiment include a pull rod structure 203 and a rope chain structure 204, the pull rod structure 203 and the truss girder structures 202 are vertically arranged, an included angle formed by the rope chain structure 204 and the truss girder structures 202 is an obtuse angle, wherein the pull rod structure 203 is located in the obtuse angle formed by the truss girder structures 202 and the rope chain structure 204. In this embodiment, the rope chain structure 204 includes a rope chain and a cloth anchor box 211 disposed at the free end of the truss girder structure 202, the rope chain is used to connect the truss girder structure 202 with the seabed foundation, and a chain winding device for winding and unwinding the rope chain is installed in the cloth anchor box 211. Specifically, the rope chain in this embodiment is a rope such as a polyester fiber cable, and a chain anchor may be used in other embodiments. In this embodiment, the cloth anchor case 211 is a rectangular parallelepiped, and the cloth anchor case 211 is provided with a through hole through which the rope chain passes. In this embodiment, a rope winding device is installed in the cloth anchor box 211, and the rope winding device is specifically a winch, and the adjustment of the extending length of the rope chain can be realized by rotating the winch.
The tension rod structure 203 in this embodiment includes tension legs, which are steel pipes, and the tension rod structure 203 in this embodiment includes two tension legs arranged in parallel. In this embodiment, each tension leg is vertically disposed, and the upper and lower ends of each tension leg are connected to the anchor distribution box 211 and the seabed foundation by means of spherical hinges, specifically, in this embodiment, spherical shells are disposed on the anchor distribution box 211 and the seabed foundation, and spheres embedded in the spherical shells are disposed on the upper and lower ends of each tension leg. The movement of the wind turbine foundation 2 in the up-and-down direction is limited by means of the ball-and-socket connection, and the truss girder structures 202 and the tension legs can rotate freely.
It should be noted that, in this embodiment, the seabed foundation is a gravity type foundation, a negative pressure cylinder structure or an anchoring structure capable of bearing horizontal and vertical tensile forces, such as a pile foundation. The seabed foundation is fixed on the seabed. In this embodiment, the bottom ends of the spherical shell and the rope chain at the bottom end of the tension leg are fixedly connected with the seabed foundation in an anchoring manner.
In this embodiment, a transition floating body structure is further disposed at the top of the main floating body structure 201, the transition floating body structure in this embodiment includes a circular truncated cone seat 205 and a support cylinder 206, the circular truncated cone seat 205 is circular truncated cone-shaped, one end (bottom end) of the circular truncated cone seat 205 with a large size is fixedly connected with the main floating body structure 201, and the support cylinder 206 is fixedly connected with the other end (top end) of the circular truncated cone seat 205. In this embodiment the bottom edge of the circular table 205 is tangent to the top edges of the three resistance-increasing surfaces 208 of the main buoyant structure 201, while the cross-sectional dimension of the support cylinder 206 is equal to the top surface of the circular table 205. In this embodiment, the tower drum of the wind power equipment 1 is fixedly connected to the support cylinder 206, and the connection and fixation is performed by flange bolt connection.
The working process of the invention is as follows: firstly, the floating type fan is installed in a relevant sea area, and the draught depth of the floating type fan is adjusted by filling different amounts of regulating liquid into the regulating cabin. During use, sea wind drives the wind power device 1 to rotate and generate electric energy, and the generated electric energy is transmitted through the output cable 207.
In addition, in the use process, the pull rod structure 203 plays a role in restraining the floating fan from floating up and down, and the rope chain structure 204 plays a role in restraining the floating fan from moving horizontally. When pushed by wind, the corresponding drag surfaces 208 increase the attached water mass and hydrodynamic damping of the main floating structure, thereby acting to dampen horizontal movement. When the floating fan floats up and down, the damping plate 210 and the seawater form a blocking function, so that the violent vibration is restrained.
The embodiment of the tension leg type floating fan foundation of the invention comprises the following steps: the specific structure of the tension leg type floating fan foundation is the same as that of the fan foundation 2 in the floating fan, and the detailed description is omitted here.
To sum up, the embodiment of the present invention provides a tension leg type floating fan foundation and a floating fan, wherein the tension leg type floating fan foundation and the floating fan are adopted, and the resistance-increasing surface 208 is arranged on the outer circumferential side of the main floating body structure 201, so that the resistance-increasing surface 208 can increase the contact area with water and increase the attached water mass and hydrodynamic damping, and thus when the main floating body structure 201 moves horizontally, seawater exerts an acting force opposite to the movement direction on the main floating body structure 201, thereby slowing down the horizontal movement.
In addition, a balance weight cabin and an adjusting cabin are arranged in the main floating body structure 201, and a balance weight material filled in the balance weight 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 floating center, the self-stability of the main floating body structure 201 is enhanced, and the problem that the main floating body structure 201 is easy to overturn after the mooring structure is broken is solved. The draft of the main floating body structure 201 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 the immersion depth under different working states.
Because the damping plate 210 protrudes out of each resistance-increasing surface 208, when the main floating body structure 201 floats up and down, the damping plate 210 and the seawater can be blocked mutually, so that the effect of inhibiting the main floating body structure 201 from floating up and down is achieved, high-frequency vibration of the main floating body structure 201 is further inhibited, and fatigue use is avoided. The truss girder structure 202 of the invention has the advantages of increasing the acting force arm of the mooring mechanism and increasing the restoring moment, and has the characteristic of light structure, thereby reducing the overall steel consumption and lowering the cost.
Through setting up pull rod structure 203 and tether structure 204, the pull rod can play the effect of restriction vertical direction motion, and tether structure 204 can play the effect of restriction horizontal direction motion, has further guaranteed the stability of structure. The defects of poor self-stability, easy overturning, poor horizontal motion constraint and the like of the traditional tension leg type floating fan are overcome.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions 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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| CN202010284574.1A CN111469994A (en) | 2020-04-13 | 2020-04-13 | Tension leg type floating fan foundation and floating fan |
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| CN202010284574.1A CN111469994A (en) | 2020-04-13 | 2020-04-13 | Tension leg type floating fan foundation and floating fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977742A (en) * | 2021-03-17 | 2021-06-18 | 海腾(天津)新材料科技有限责任公司 | Novel floating type composite material ocean platform |
| CN114212214A (en) * | 2021-11-26 | 2022-03-22 | 上海电气风电集团股份有限公司 | Integral transportation and installation tool and method for tension leg floating type fan system |
| CN116002002A (en) * | 2023-02-02 | 2023-04-25 | 大连理工大学 | Tension leg type wind-wave energy complementary floating platform assembled with load shedding stability augmentation device |
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2020
- 2020-04-13 CN CN202010284574.1A patent/CN111469994A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977742A (en) * | 2021-03-17 | 2021-06-18 | 海腾(天津)新材料科技有限责任公司 | Novel floating type composite material ocean platform |
| CN112977742B (en) * | 2021-03-17 | 2023-08-11 | 海腾(天津)新材料科技有限责任公司 | Novel floating composite ocean platform |
| CN114212214A (en) * | 2021-11-26 | 2022-03-22 | 上海电气风电集团股份有限公司 | Integral transportation and installation tool and method for tension leg floating type fan system |
| CN116002002A (en) * | 2023-02-02 | 2023-04-25 | 大连理工大学 | Tension leg type wind-wave energy complementary floating platform assembled with load shedding stability augmentation device |
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