CN220281626U - Floating wind power platform with damping pool - Google Patents
Floating wind power platform with damping pool Download PDFInfo
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- CN220281626U CN220281626U CN202321417408.XU CN202321417408U CN220281626U CN 220281626 U CN220281626 U CN 220281626U CN 202321417408 U CN202321417408 U CN 202321417408U CN 220281626 U CN220281626 U CN 220281626U
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- damping pool
- floating
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- 238000013016 damping Methods 0.000 title claims abstract description 128
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 239000013535 sea water Substances 0.000 claims abstract description 6
- 238000009360 aquaculture Methods 0.000 claims abstract description 4
- 244000144974 aquaculture Species 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 4
- 238000003306 harvesting Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model provides a floating wind power platform with damping pond, includes floating platform, damping pond and damping buffer member, and the floating platform has a plurality of stands, and the damping pond sets up between a plurality of stands to link to each other with the stand through damping buffer member, the sea water is filled in the damping pond for restrain floating platform's motion, damping buffer member be spring or wire rope, the one end of spring with the stand, the other end with the damping pond links to each other, is provided with first heave plate on the periphery of damping pond for reduce the heave amplitude of damping pond, a plurality of net cages have been arranged in the damping pond for aquaculture, the edge of damping pond sets up a plurality of batch feeders for the bait of throwing into the damping pond. The utility model can effectively weaken the roll and pitch of the platform, inhibit the swing of the platform, improve the stability of the platform, intensify the sea, reasonably utilize the space of the semi-submersible platform and the electric energy of wind power equipment, and generate better economic benefit.
Description
Technical Field
The utility model relates to the technical field of floating wind power, in particular to a floating wind power platform with a damping pool.
Background
In recent years, offshore floating wind power equipment is gradually becoming a hot research direction, and various platform structures are sequentially proposed. However, for floating wind power, the stability of the platform is a primary consideration, when the platform swings greatly along with wind waves, the phenomenon of inclination of the fan can occur, even accidents such as inclination of the fan occur, so that the inhibition of the swinging motion of the platform is an important research topic of floating wind power equipment, and particularly for semi-submersible platforms, the method has important significance in improving the wind resistance and wave resistance of the semi-submersible platforms due to wide application range.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the floating wind power platform with the damping pool, which can greatly reduce the pitching and rolling of the platform, improve the stability of the platform and reasonably and effectively utilize ocean resources.
The utility model is realized by the following technical scheme:
the floating wind power platform with the damping pool comprises a floating platform, the damping pool and a damping buffer member, wherein the floating platform is provided with a plurality of upright posts, the upright posts form a foundation of the floating platform, the damping pool is arranged among the upright posts and connected with the upright posts through the damping buffer member, and the damping pool is filled with seawater and used for inhibiting the motion of the floating platform.
As a further optimized technical scheme, the damping buffer member is a spring, one end of the spring is connected with the upright post, and the other end of the spring is connected with the damping pool; or the damping buffer member is a steel wire rope, one end of the steel wire rope is connected with the upright post, and the other end of the steel wire rope is connected with the damping pool; or, the damping buffer member is a cable chain, one end of the cable chain is connected with the upright post, and the other end of the cable chain is connected with the damping pool. When the platform performs rolling and pitching motions, the motion cycle of the damping pool is similar to the natural cycle of the shaking of the structural object, and the moment generated by the deep shaking of the water in the pool is opposite to the phase of the disturbance moment generated by the surrounding of the structural object, so that the optimal rolling reduction effect is achieved. The application essentially converts external excitation into viscous force of water in the damping pool to achieve the purpose of dissipating energy.
As a further optimized technical scheme, the natural period of the damping pool is consistent with the natural period of the floating platform, and the phase of the spring is 180 degrees different from the phase of the floating platform.
As a further optimized technical scheme, the periphery of the damping pool is provided with a first heave plate, the first heave plate is parallel to the bottom surface of the damping pool, and the first heave plate can reduce the heave amplitude of the damping pool.
As a further optimized technical scheme, the first heave plate is connected with the bottom surface of the damping pool or integrally arranged, or is arranged at the middle position of the side surface of the damping pool.
As a further optimized technical scheme, three stand columns are arranged on the floating platform, the damping pool is triangular in plane direction, and three corners of the damping pool are connected with the three stand columns through the damping buffer members.
As a further optimized technical scheme, the tops of the upright posts are connected with each other through connecting rods, and the bottoms of the upright posts are connected with each other through second heave plates.
As a further optimized technical scheme, a plurality of second heave plates among the upright posts are connected with each other, and the middle hollowed-out shape formed by surrounding the second heave plates is consistent with or similar to the shape of the damping pool.
As a further optimized technical scheme, a plurality of net cages are arranged in the damping pool and used for aquaculture, and a plurality of feeding machines are arranged at the edge of the damping pool and used for feeding baits into the damping pool. The net cage is arranged in the damping pool, so that the flow velocity of the water body in forced movement can be reduced through the fishing net, the impact on the structure is reduced, and the safety is ensured.
As a further optimized technical scheme, the damping pool is further provided with a crane for lifting the net cage to harvest products.
According to the utility model, the damping pools are arranged between the upright posts of the overlooking platform, and the damping pools are connected with the upright posts through the damping buffer members such as springs, so that the rolling and pitching of the platform can be effectively weakened, the swinging of the platform is restrained, the stability of the platform is improved, and the optimal anti-rolling effect can be achieved by utilizing the periodic rule between the damping pools and the platform structure and the phase relation between the damping buffer members and the platform; the damping pool is arranged on the marine pasture to carry out fishery cultivation, the sea is used in an intensive mode, the space of the semi-submersible platform is reasonably utilized, and the electric energy of wind power equipment is reasonably utilized, so that good economic benefits are generated.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of another structure of an embodiment of the present utility model.
Fig. 3 is a schematic side view of an embodiment of the present utility model.
Fig. 4 is a schematic top view of an embodiment of the present utility model.
Reference numerals: 1-a floating platform; 2-a damping pool; 3-damping cushioning members; 4-net cage; 11-stand columns; 12-connecting rods; 13-a second heave plate; 21-a first heave plate; 22-a batch feeder; 23-crane.
Detailed Description
The floating wind power platform with the damping pool comprises a floating platform 1, the damping pool 2 and a damping buffer member 3, wherein the floating platform 1 is provided with a plurality of upright posts 11, the upright posts 11 form the foundation of the floating platform 1, a tower barrel, a fan and the like are arranged on the floating platform 1, the floating platform 1 is fixed on a seabed through a mooring device, the damping pool 2 is arranged among the upright posts 11 and connected with the upright posts 11 through the damping buffer member 3, and the damping pool 2 is filled with seawater and used for inhibiting the motion of the floating platform 1. The floating platform 1 can be a semi-submersible platform, the upright posts 11 can be provided with ballast devices, the load capacity of the upright posts 11 can be adjusted according to wind conditions so as to control the balance of the floating platform 1, and the top of the damping pool 2 is ensured to be higher than the sea level.
The number of columns 11 of the floating platform 1 may be set according to practical situations, such as three columns 11, four columns 11, etc., and in order to make the damping pool 2 have a better effect of inhibiting the motion of the floating platform 1, it is preferable that the damping pool 2 has a shape identical to the internal shape of the floating platform 1, like a triangle or a quadrangle with a similar shape. In this embodiment, three columns 11 on the floating platform 1 form a triangular floating platform 1, the damping pool 2 is also triangular in the plane direction, and three corners of the damping pool 2 are connected with the three columns 11 through the damping buffer members 3.
As one embodiment, as shown in fig. 2 and 3, a first heave plate 21 is disposed on the outer periphery of the damping pool 2, and the first heave plate 21 is parallel to the bottom surface of the damping pool 2 and protrudes out of the outer side surface of the damping pool 2, so as to reduce the heave amplitude of the damping pool 2. The first heave plate 21 may be disposed at any place, such as the top, the middle or the bottom, of the periphery of the damping pool 2, and in this embodiment, the first heave plate 21 is connected to or integrally disposed with the bottom surface of the damping pool 2, and the first heave plate 21 may also be disposed at a middle position of a side surface of the damping pool 2.
The floating platform 1 may be an existing structure, as an implementation manner, in this embodiment, the tops of the three upright posts 11 are connected with each other through three connecting rods 12, the bottoms of the three upright posts 11 are connected with each other through the second heave plates 13, and the three second heave plates 13 are connected with each other, which may be integrally set as shown in fig. 1, and the hollow shape in the middle surrounded by the three second heave plates 13 is identical to or similar to the shape of the damping pool 2, and is triangular.
The damping buffer member 3 is used for connection and buffering, and may be a wire rope or a cable chain, one end of which is connected to the upright 11, and the other end of which is connected to the damping pool 2. In this embodiment, the damping buffer member 3 is a spring, three upright posts 11 correspond to three springs, one end of the spring is connected with the upright posts 11, and the other end is connected with the damping pool 2.
The movement of the offshore structure is typically caused by external stimuli. Under ideal conditions, the motion of the ocean floating platform 1 is generally considered to be linear, and the natural period of one degree of freedom is as follows:
where M is the mass/inertial mass corresponding to the degree of freedom, Δm is the additional mass/inertial mass corresponding to the degree of freedom, and K is the stiffness corresponding to the degree of freedom.
A damping pool 2 is arranged in the middle of the three upright posts 11 of the platform, and the inherent period of the damping pool 2 is as follows:
wherein L is the length of the maximum cross section area of the corresponding degree of freedom, g is the gravity acceleration, and h is the loading liquid level.
By filling seawater into the damping pool 2, the size and weight of the damping pool 2 are adjusted to make the natural period consistent with that of the floating platform 1. The stiffness of the three springs is adjusted to be 180 degrees out of phase with the floating platform 1. When the platform performs rolling and pitching motions, the motion cycle of the damping pool 2 is similar to the natural cycle of the shaking of the structure, and the moment generated by the deep shaking of the pool is opposite to the phase of the disturbance moment generated by the surrounding of the structure, so that the optimal rolling reduction effect is achieved. The application essentially converts external excitation into viscous force of water in the damping pool 2 to achieve the purpose of dissipating energy.
As one embodiment, as shown in fig. 3 and 4, the damping pool 2 can be combined with a marine pasture due to the fixation of a water body, a plurality of net cages 4 are arranged in the damping pool 2 for aquaculture, a plurality of feeders 22 are arranged at the edge of the damping pool 2 for feeding baits into the damping pool 2, a crane 23 can be arranged on the damping pool 2 and can be arranged on a heave plate or at the edge position of the damping pool 2 for lifting the net cages 4 in the damping pool 2 to harvest products. A water pump can be arranged on the damping pool 2, and seawater can be filled into or discharged from the damping pool 2 according to the culture requirement. The net cage 4 is arranged in the damping pool 2, so that the flow velocity of the water body in forced movement can be reduced through the fishing net, the impact on the structure is reduced, and the safety is ensured.
The foregoing detailed description is directed to embodiments of the utility model which are not intended to limit the scope of the utility model, but rather to cover all modifications and variations within the scope of the utility model.
Claims (10)
1. The floating wind power platform with the damping pool is characterized by comprising a floating platform, the damping pool and a damping buffer member, wherein the floating platform is provided with a plurality of upright posts, the upright posts form a foundation of the floating platform, the damping pool is arranged among the upright posts and connected with the upright posts through the damping buffer member, and the damping pool is filled with seawater and used for inhibiting the motion of the floating platform.
2. The floating wind power platform with a damping pool according to claim 1, wherein the damping buffer member is a spring, one end of the spring is connected to the upright, and the other end is connected to the damping pool; or the damping buffer member is a steel wire rope, one end of the steel wire rope is connected with the upright post, and the other end of the steel wire rope is connected with the damping pool; or, the damping buffer member is a cable chain, one end of the cable chain is connected with the upright post, and the other end of the cable chain is connected with the damping pool.
3. A floating wind power platform with a damping pool according to claim 2, wherein the natural period of the damping pool coincides with the natural period of the floating platform, and the phase of the springs is 180 ° out of phase with the floating platform.
4. The floating wind power platform with a damping pool of claim 1, wherein a first heave plate is provided on the periphery of the damping pool, the first heave plate being parallel to the bottom surface of the damping pool.
5. The floating wind power platform with the damping pool according to claim 4, wherein the first heave plate is connected with or integrally arranged with the bottom surface of the damping pool or arranged at the middle position of the side surface of the damping pool.
6. The floating wind power platform with the damping pool according to claim 1, wherein three columns are arranged on the floating platform, the damping pool is triangular in plane direction, and three corners of the damping pool are respectively connected with the three columns through the damping buffer members.
7. The floating wind power platform with damping pool of claim 1, wherein tops of the plurality of columns are interconnected by connecting rods and bottoms of the plurality of columns are interconnected by second heave plates.
8. The floating wind power platform with the damping pool according to claim 7, wherein a plurality of second heave plates among the upright posts are connected with each other, and the surrounding middle hollowed-out shape is identical or similar to the shape of the damping pool.
9. The floating wind power platform with the damping pool according to claim 1, wherein a plurality of net cages are arranged in the damping pool for aquaculture, and a plurality of feeders are arranged at the edge of the damping pool for feeding baits into the damping pool.
10. The floating wind power platform with damping pool of claim 9, wherein a crane is further provided on the damping pool for lifting the net cage to harvest the product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417408.XU CN220281626U (en) | 2023-06-05 | 2023-06-05 | Floating wind power platform with damping pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417408.XU CN220281626U (en) | 2023-06-05 | 2023-06-05 | Floating wind power platform with damping pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220281626U true CN220281626U (en) | 2024-01-02 |
Family
ID=89331064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321417408.XU Active CN220281626U (en) | 2023-06-05 | 2023-06-05 | Floating wind power platform with damping pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220281626U (en) |
-
2023
- 2023-06-05 CN CN202321417408.XU patent/CN220281626U/en active Active
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