CN214836872U - Group floating type offshore wind power foundation device - Google Patents
Group floating type offshore wind power foundation device Download PDFInfo
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- CN214836872U CN214836872U CN202120074337.2U CN202120074337U CN214836872U CN 214836872 U CN214836872 U CN 214836872U CN 202120074337 U CN202120074337 U CN 202120074337U CN 214836872 U CN214836872 U CN 214836872U
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 40
- 238000010248 power generation Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model discloses a group floating type offshore wind power foundation device, which comprises a central foundation platform and six peripheral foundation platforms, wherein the six peripheral foundation platforms are positioned around the central foundation platform to form a hexagonal structure, the central foundation platform is positioned at the center of the hexagonal structure formed by the six peripheral foundation platforms, a central bearing column is arranged at the top of the central foundation platform, and a first wind power unit is arranged at the top of the central bearing column; six mooring anchor chains are uniformly fixed around the outer wall of the central foundation platform, one end of each mooring anchor chain is fixed at the top of the central foundation platform, the other end of each mooring anchor chain is anchored on the seabed, and two adjacent peripheral foundation platforms are connected through a truss arch bridge type structure; the six peripheral foundation platforms are respectively connected with the central foundation platform through a cable-stayed bridge structure. A plurality of wind motors and a foundation platform are connected through the truss arch bridge type structure and the cable-stayed bridge type structure, vehicles and personnel can walk on the bridge floor, and the wind motors are convenient to overhaul by the overhaul personnel.
Description
Technical Field
The utility model belongs to the technical field of wind power equipment, concretely relates to group floats marine wind power basis device of formula.
Background
With the rapid development of clean energy, wind power energy is receiving much attention worldwide. Compared with onshore wind power, offshore wind power has the advantages of abundant wind resources, smaller wind shear, no land occupation and the like. With the increase of energy demand and the abundance of wind resources in deep sea areas, wind power technology in deep sea areas has become the key point of world energy research. With the gradual development of wind power generation in shallow sea areas to deep sea areas, the fixed offshore wind turbine foundation is difficult to meet the requirements of the deep sea areas, on one hand, the larger the water depth is, the higher the manufacturing cost of the fixed offshore wind turbine foundation is, the better the economical efficiency of the floating offshore wind turbine foundation is, on the other hand, the larger the wind wave load in the deep sea areas is compared with the shallow sea areas, the fixed offshore wind turbine foundation cannot move, so that the fixed offshore wind turbine foundation bears high structural stress, and the floating offshore wind turbine foundation can move within a certain range when being subjected to the action of wind waves, so that the stress of the whole structure is reduced to a great extent, and the floating offshore wind turbine foundation has higher safety, therefore, countries in the world must vigorously develop the floating offshore wind turbine foundation structure.
At present, the research on the floating offshore wind turbine foundation structure in various countries in the world is still in a preliminary stage, and the basic forms mainly include spar type foundation structures, semi-submersible type foundation structures and barge type foundation structures. However, the foundation structures are single-machine type, each foundation structure needs a plurality of mooring system anchor chains to be fixed with the seabed, the unit maintenance is relatively difficult, and meanwhile, the floating type offshore wind turbine foundation structure has the characteristics of severe natural environment and unfixed floating, so that the floating type offshore wind turbine has larger vibration response, the floating type offshore wind turbine is unstable in work and is easy to break down, the vibration of the floating type wind turbine is effectively reduced, and the anti-shaking stability of the floating type offshore wind turbine is also important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a group floats marine wind power base device of formula has solved the current problem that floats marine wind power unit structural stability of formula poor, the maintenance is inconvenient.
The technical scheme adopted by the utility model is that a group floating type offshore wind power foundation device comprises a central foundation platform and six peripheral foundation platforms, wherein the six peripheral foundation platforms are respectively positioned around the central foundation platform to form a hexagonal structure, the central foundation platform is positioned at the center of the hexagonal structure formed by the six peripheral foundation platforms, a central bearing column is arranged at the top of the central foundation platform, and a first wind power unit is arranged at the top of the central bearing column; six mooring anchor chains are uniformly fixed around the outer wall of the central foundation platform, one end of each mooring anchor chain is fixed at the top of the central foundation platform, the other end of each mooring anchor chain is anchored on the seabed, and two adjacent peripheral foundation platforms are connected through a truss arch bridge type structure; the six peripheral foundation platforms are respectively connected with the central foundation platform through a cable-stayed bridge structure.
The utility model is also characterized in that,
each peripheral base platform comprises a stand column, a heave plate is welded at the bottom of the stand column, an operating table is fixed at the top of the stand column, a second wind turbine generator is fixed on the operating table, and a tuned mass damper is fixed inside the stand column.
The tuned mass damper comprises a spring and a damper which are fixed at the bottom of the upright column side by side, one end of the spring and the damper is hinged with the mass block, and the other end of the spring and the damper is hinged with the bottom of the upright column.
Every truss arch bridge structure includes the arch truss, and the lower chord both ends of arch truss are respectively through the bolt fastening on two adjacent operation panels, are provided with the girder on the lower chord of arch truss, are connected through the cable of a plurality of perpendicular settings between the web member of arch truss and the girder.
Each cable-stayed bridge structure comprises a truss bridge, one end of the truss bridge is fixed on the operating platform through a bolt, and the other end of the truss bridge is fixed on the upper part of the central foundation platform; a plurality of stay cables are obliquely arranged on the upper surface of the truss bridge, one ends of the stay cables are anchored on the truss bridge, and the other ends of the stay cables are anchored on the central bearing column.
The utility model has the advantages that:
the utility model provides an overall structure encircles bridge type structure and draws bridge type structure to one side through the truss and couples together many wind-powered electricity generation machines and foundation platform, can walking vehicle and personnel on the bridge floor, makes things convenient for the maintainer to overhaul the wind-powered electricity generation machine. Under the action of strong wind waves in a deep sea area, the cable-stayed bridge has the advantages of large structural span capacity, light dead weight, good crack resistance, large vertical rigidity and torsional rigidity, good wind and vibration resistance stability and the like, so that the safety and reliability of the whole structure can be ensured, and meanwhile, the gravity center of the whole structure can be reduced due to the characteristic of light dead weight, and the stability of the whole structure can be improved. The tunable mass damper is arranged at the lower part in the periphery base platform and the heave plate at the lower part outside the periphery base platform can reduce the shake of the whole structure by reducing the vibration of the periphery base platform in the vertical direction, so that the shake-resistant stability of the whole structure is improved. The photovoltaic power generation area is arranged in 6 equilateral triangle areas between the peripheral base platform and the central base platform, so that energy resources are fully utilized, and wind-solar complementation is realized.
Drawings
Fig. 1 is a schematic structural diagram of a group floating type offshore wind power foundation device of the present invention;
fig. 2 is a schematic structural diagram of a truss arch bridge structure in the group floating offshore wind power foundation device of the present invention;
FIG. 3 is a schematic structural view of a cable-stayed bridge structure in the group floating type offshore wind power foundation device of the present invention;
FIG. 4 is a schematic structural view of a heave plate in the group floating type offshore wind power foundation device of the present invention;
fig. 5 is a schematic structural diagram of the tuned mass damper in the group floating type offshore wind power foundation device of the present invention.
In the figure, 1 is a first wind turbine generator, 2 is a peripheral foundation platform, 3 is a central foundation platform, 4 is a central bearing column, 5 is a heave plate, 6 is a cable-stayed bridge structure, 7 is a truss arch bridge structure, 8 is a mooring anchor chain, 9 is a photovoltaic power generation area, 10 is a tuned mass damper, 11 is a spring, 12 is a damper, 13 is a mass block, 2-1 is an upright column, 2-2 is an operation table, 2-3 is a second wind turbine generator, 6-1 is a truss bridge, 6-2 is a stay cable, 7-1 is an arch truss, 7-2 is a main beam, and 7-3 is a stay cable.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a group floats formula offshore wind power foundation device, as shown in fig. 1, including central basic platform 3 and six peripheral basic platforms 2, six peripheral basic platforms 2 are located respectively around central basic platform 3, form the hexagon structure, central basic platform 3 is located the center of the hexagon structure that six peripheral basic platforms 2 enclose, central basic platform 3 top is provided with central carrier bar 4, pass through flange and bolted connection between central basic platform 3 and the central carrier bar 4, as shown in fig. 3, central carrier bar 4 top is provided with first wind turbine generator system 1; six mooring anchor chains 8 are uniformly fixed around the outer wall of the central foundation platform 3, one ends of the mooring anchor chains 8 are fixed at the top of the central foundation platform 3, the other ends of the mooring anchor chains 8 are anchored on a seabed, and the six mooring anchor chains 8 are symmetrically distributed between the central foundation platform 3 and the seabed;
each peripheral base platform 2 comprises an upright post 2-1, as shown in fig. 4, a heave plate 5 is welded at the bottom of the upright post 2-1, an operation table 2-2 is fixed at the top of the upright post 2-1, a second wind turbine generator set 2-3 is fixed on the operation table 2-2, and a tuned mass damper 10 is fixed inside the upright post 2-1, as shown in fig. 5, the tuned mass damper 10 comprises a spring 11 and a damper 12 which are fixed at the bottom of the upright post 2-1 side by side, one end of the spring 11 and one end of the damper 12 are hinged with a mass block 13, and the other end of the spring 11 and the other end of the damper 12 are hinged with the bottom of the upright post 2-1;
two adjacent peripheral foundation platforms 2 are connected through a truss arch bridge structure 7; as shown in fig. 2, the truss arch bridge structure 7 comprises an arch truss 7-1, two ends of a lower chord of the arch truss 7-1 are respectively fixed on two adjacent operation platforms 2-2 through bolts, a main beam 7-2 is arranged on the lower chord of the arch truss 7-1, and a web member of the arch truss 7 is connected with the main beam 7-2 through a plurality of vertical guys 7-3;
the six peripheral foundation platforms 2 are respectively connected with the central foundation platform 3 through cable-stayed bridge structures 6, as shown in fig. 3, each cable-stayed bridge structure 6 comprises a truss bridge 6-1, one end of each truss bridge 6-1 is fixed on the operating platform 2-2 through a bolt, and the other end of each truss bridge 6-1 is fixed on the upper portion of the central foundation platform 3; a plurality of stay cables 6-2 are obliquely arranged on the upper surface of the truss bridge 6-1, one ends of the stay cables 6-2 are anchored on the upper surface of the truss bridge 6-1, and the other ends of the stay cables 6-2 are anchored on the central bearing column 4;
6 equilateral triangle areas between the peripheral base platform 2 and the central base platform 3 are photovoltaic power generation areas 9;
the utility model discloses a float marine wind power foundation equipment of formula, peripheral foundation platform 2 is vital important with being connected between central foundation platform 3, it is big in view of the 6 span capacities of cable-stay bridge structure to one side, the dead weight is light, the horizontal component of suspension cable provides the precompression for the girder, the girder possess good crack resistance ability, vertical rigidity is all great with torsional rigidity, anti-wind shakes advantages such as stability is good, make it be particularly suitable for being used for being connected between peripheral foundation platform and central foundation platform under the environment of the regional high wind speed in deep sea. By connecting a plurality of wind turbines, the central foundation platform 3 is fixed with the seabed only by the mooring anchor chain 8, and the central foundation platform does not need to be fixed with the seabed by the mooring anchor chain as a single wind turbine. And adjacent peripheral foundation platforms 2 and central foundation platform 3 are connected through truss arch bridge type structure 7, draw bridge type structure 6 to one side and connect, can walk vehicle and personnel on the bridge floor, make things convenient for maintainer to overhaul wind-powered generator.
The utility model provides a connect through truss arch bridge structure 7 between peripheral foundation platform 2, through drawing bridge structure 6 to one side between peripheral foundation platform 2 and the central foundation platform 3, realize overall structure's fail safe nature under the large-span through lower material cost, draw bridge structure 6 and truss arch bridge structure 7 light in dead weight's characteristics to one side simultaneously also can reduce overall structure's focus, are favorable to improving overall structure's stability.
The interior of the peripheral base platform 2 and the central base platform 3 are hollow and a tuned mass damper 10 is arranged below the interior of the peripheral base platform 2. Because peripheral basic platform 2 is located the outside of overall structure, so its vibration in vertical direction can cause rocking of overall structure, so the utility model discloses the harmonious mass damper 10 that arranges slows down rocking of overall structure through reducing peripheral basic platform 2 vibration in vertical direction, has improved overall structure's anti stability of shaking. Hang down and sway board 5 in the below of peripheral basic platform 2, hinder the relative motion of peripheral basic platform 2 and sea water, be used for further reducing peripheral basic platform 2 vibration in vertical direction to further reduce overall structure's rocking, further improved overall structure's anti stability of shaking. The photovoltaic power generation area 9 is arranged in 6 equilateral triangle areas between the peripheral base platform 2 and the central base platform 3, so that energy resources are fully utilized, and wind-solar complementation is realized.
The utility model provides an overall structure passes through the arch truss and draws bridge type link to one side and couples together many wind-powered electricity generation machines and foundation platform, can walking vehicle and personnel on the bridge floor, makes things convenient for the maintainer to overhaul the wind-powered electricity generation machine. Under the action of strong wind waves in a deep sea area, the cable-stayed bridge type connecting frame has the advantages of large span capacity, light dead weight, good crack resistance, large vertical rigidity and torsional rigidity, good wind and vibration resistance stability and the like, so that the safety and reliability of the whole structure can be ensured, and meanwhile, the gravity center of the whole structure can be reduced due to the characteristic of light dead weight, and the stability of the whole structure can be improved. The tunable mass damper is arranged at the lower part in the periphery base platform and the heave plate at the lower part outside the periphery base platform can reduce the shake of the whole structure by reducing the vibration of the periphery base platform in the vertical direction, so that the shake-resistant stability of the whole structure is improved. The photovoltaic power generation area is arranged in 6 equilateral triangle areas between the peripheral base platform and the central base platform, so that energy resources are fully utilized, and wind-solar complementation is realized.
Claims (5)
1. The group floating type offshore wind power foundation device is characterized by comprising a central foundation platform (3) and six peripheral foundation platforms (2), wherein the six peripheral foundation platforms (2) are respectively located at the periphery of the central foundation platform (3) to form a hexagonal structure, the central foundation platform (3) is located in the center of the hexagonal structure surrounded by the six peripheral foundation platforms (2), a central bearing column (4) is arranged at the top of the central foundation platform (3), and a first wind power generator set (1) is arranged at the top of the central bearing column (4); six mooring anchor chains (8) are uniformly fixed around the outer wall of the central foundation platform (3), one end of each mooring anchor chain (8) is fixed at the top of the central foundation platform (3), the other end of each mooring anchor chain (8) is anchored on the seabed, and two adjacent peripheral foundation platforms (2) are connected through truss arch bridge structures (7); the six peripheral foundation platforms (2) are respectively connected with the central foundation platform (3) through cable-stayed bridge structures (6).
2. A group floating offshore wind power foundation arrangement according to claim 1, wherein each peripheral foundation platform (2) comprises an upright (2-1), a heave plate (5) is welded to the bottom of the upright (2-1), an operating platform (2-2) is fixed to the top of the upright (2-1), a second wind power generator (2-3) is fixed to the operating platform (2-2), and a tuned mass damper (10) is fixed to the inside of the upright (2-1).
3. A group floating offshore wind power foundation arrangement according to claim 2, wherein the tuned mass damper (10) comprises a spring (11) and a damper (12) fixed side by side to the bottom of the column (2-1), one end of the spring (11) and the damper (12) being hinged to the mass (13) and the other end of the spring (11) and the damper (12) being hinged to the bottom of the column (2-1).
4. A group floating offshore wind power foundation arrangement according to claim 2, wherein each truss arch bridge structure (7) comprises an arch truss (7-1), two ends of a lower chord of the arch truss (7-1) are respectively fixed on two adjacent operation platforms (2-2) through bolts, a main beam (7-2) is arranged on the lower chord of the arch truss (7-1), and the web member of the arch truss (7-1) is connected with the main beam (7-2) through a plurality of vertically arranged guys (7-3).
5. A group floating offshore wind power foundation arrangement according to claim 2, wherein each cable-stayed bridge structure (6) comprises a truss bridge (6-1), one end of the truss bridge (6-1) is fixed on the operation platform (2-2) by bolts, and the other end of the truss bridge (6-1) is fixed on the upper part of the central foundation platform (3); the upper surface of the truss bridge (6-1) is obliquely provided with a plurality of stay cables (6-2), one ends of the stay cables (6-2) are anchored on the truss bridge (6-1), and the other ends of the stay cables (6-2) are anchored on the central bearing column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120074337.2U CN214836872U (en) | 2021-01-12 | 2021-01-12 | Group floating type offshore wind power foundation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120074337.2U CN214836872U (en) | 2021-01-12 | 2021-01-12 | Group floating type offshore wind power foundation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836872U true CN214836872U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120074337.2U Expired - Fee Related CN214836872U (en) | 2021-01-12 | 2021-01-12 | Group floating type offshore wind power foundation device |
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| Country | Link |
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| CN (1) | CN214836872U (en) |
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2021
- 2021-01-12 CN CN202120074337.2U patent/CN214836872U/en not_active Expired - Fee Related
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Granted publication date: 20211123 |