CN213270155U - Offshore floating type foundation and offshore wind generating set with same - Google Patents
Offshore floating type foundation and offshore wind generating set with same Download PDFInfo
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- CN213270155U CN213270155U CN202021545276.5U CN202021545276U CN213270155U CN 213270155 U CN213270155 U CN 213270155U CN 202021545276 U CN202021545276 U CN 202021545276U CN 213270155 U CN213270155 U CN 213270155U
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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 relates to the field of offshore wind power generation equipment, and discloses a offshore floating foundation, which comprises a central connecting block, a stop block, a steel strand and a concrete module; the concrete module connects gradually in order to form the arm that floats that has the through cavity, the both ends of floating the arm have the opening, the outside of central connecting block has three evenly distributed's connection face, it all has outside convex first protruding piece to connect the face, the first through-hole that has evenly distributed is opened to the periphery of first protruding piece, it all is connected with floating the arm to connect the face to will float the one end opening of arm through first protruding piece and seal, the dog is installed in floating the other end of arm to another opening end that will float the arm seals, first through-hole, floating arm and dog are passed in proper order to the steel strand wires to make central connecting block, floating arm and dog fixed connection. The utility model also discloses an offshore wind generating set. The beneficial effects are that: the assembly is simple, and the construction cost is effectively reduced.
Description
Technical Field
The utility model relates to a marine wind power generation equipment field, concretely relates to marine floating foundation and have its marine wind generating set.
Background
A common form of marine floating foundation is a steel foundation or a concrete foundation. Steel foundations require a great deal of welding work on large docks or berths, and concrete cast foundations are usually cast in place, and are complex in construction and long in period. Therefore, there is a need for a simple and cost effective marine floating foundation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects existing in the prior art, and providing a marine floating foundation with simple assembly and cost saving. Another object of the utility model is to provide an offshore wind turbine generator system that the assembly is simple, the structure is firm.
The purpose of the utility model is realized through the following technical scheme: a marine floating foundation comprises a central connecting block, a stop block, steel strands and a concrete module; the concrete module connects gradually in order to form the arm that floats that has the through cavity, the both ends of floating the arm have the opening, the outside of central connecting block has three evenly distributed's connection face, it all has outside convex first protruding piece to connect the face, the first through-hole that has evenly distributed is opened to the periphery of first protruding piece, it all is connected with floating the arm to connect the face to will float the one end opening of arm through first protruding piece and seal, the dog is installed in floating the other end of arm to another opening end that will float the arm seals, first through-hole, floating arm and dog are passed in proper order to the steel strand wires to make central connecting block, floating arm and dog fixed connection.
Further, one of the float arms is longer than the other two float arms.
Further, the concrete module includes the main part of both ends opening and intercommunication, concrete module both ends open-ended shape is corresponding with first protruding piece, the wall is opened all around of main part has a plurality of along its axial through's line hole, the main part connects gradually in order to form the arm that floats that has the through cavity, the line hole is relative in order to form the second through-hole in proper order, the steel strand wires pass first through-hole, second through-hole and dog in proper order to make central connecting block, float arm and dog fixed connection.
Furthermore, the peripheral wall of the main body part comprises a first wall surface and a second wall surface which are oppositely arranged, a boss is arranged on the outer side of the first wall surface, two support legs which are arranged at intervals are arranged on the outer side of the second wall surface, sliding grooves matched with the support legs are formed in two sides of the boss, and the distance between the two support legs is larger than or equal to the width of the boss.
Furthermore, a second protruding block is arranged on one side face of the stop block and used for sealing the other opening end of the floating arm, a plurality of third through holes are uniformly distributed in the periphery of the second protruding block, and the steel strand sequentially penetrates through the first through hole, the second through hole and the third through hole so that the central connecting block, the floating arm and the stop block are fixedly connected.
Further, the second through holes are all filled with lubricant.
An offshore wind generating set comprises the offshore floating foundation.
Further, still include a tower section of thick bamboo, the inside cavity of central authorities connecting block, its top is opened has the first mounting hole rather than the inner chamber intercommunication, a tower section of thick bamboo passes through first mounting hole slope installation in central authorities connecting block, and the incline direction of a tower section of thick bamboo and a longer floating arm back of the body mutually.
Further, still include the flotation pontoon, the up end of dog is opened there is the second mounting hole, the flotation pontoon is installed in the second mounting hole, be connected through the steel strand wires between the top of flotation pontoon and tower section of thick bamboo.
Compared with the prior art, the utility model have following advantage:
1. the utility model discloses a float formula basis, wherein the main part includes the floating arm that comprises a plurality of concrete module, and the concrete module can be prefabricated shaping in advance, can greatly reduce the basis cost. The floating arm, the central connecting piece and the stop block are pre-tightened through steel strands, and assembly is simple. The floating arm has a through chamber, and ballast water can be injected into the through chamber, so that the stability of the overlooking foundation is improved. The floating foundation is designed into a Y shape, and the distance between the floating barrel and the central connecting block is as far as possible, so that the dynamic floating stability of the floating foundation is improved; and the steel strand wires from the buoy to the top end of the tower cylinder are convenient to arrange, so that the resultant force applied to the top end of the tower cylinder is distributed along the axial direction of the tower cylinder, and the bending moment applied to the tower cylinder is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
figure 1 shows a schematic structural view of a floating offshore foundation according to the invention;
fig. 2 shows a schematic structural view of a central connection block according to the present invention;
fig. 3 shows a schematic structural view of a concrete module according to the invention;
fig. 4 shows a schematic structural view of a stop according to the present invention;
fig. 5 shows a schematic view of an offshore wind energy plant according to the present invention;
in the figure, 1 is a central connecting block; 2 is a stop block; 3 is a steel strand; 4 is a concrete module; 5 is a floating arm; 6 is a connecting surface; 7 is a first bump; 8 is a first through hole; 9 is a main body part; 10 is a thread hole; 11 is a first wall surface; 12 is a second wall surface; 13 is a boss; 14 is a support leg; 15 is a bolt hole; 16 is a second bump; 17 is a third through hole; 18 is a tower drum; 19 is a buoy; 20 is a first mounting hole; and 21 is a second mounting hole.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The offshore floating foundation shown in fig. 1 and 2 comprises a central connecting block 1, a block 2, steel strands 3 and a concrete module 4; concrete module 4 connects gradually in order to form and has the arm 5 that floats that link up the cavity, the both ends of arm 5 that floats have the opening, the opening at both ends and its inside cavity intercommunication, the outside of central authorities 'connecting block 1 has three evenly distributed's the face 6 of connecting, it all has outside convex first protruding piece 7 to connect face 6, the first through-hole 8 that has evenly distributed is opened to the periphery of first protruding piece 7, it all is connected with arm 5 to connect face 6 to will float the one end opening of arm 5 and seal through first protruding piece 7, the dog 2 that install in arm 5's the other end that floats to another opening end closure of arm 5, first through-hole 8, arm 5 and dog 2 are floated in proper order to steel strand wires 3 passes first through, so that central authorities' connecting block 1, arm 5 and dog 2 fixed connection float. One of the float arms 5 is longer than the other two. The whole Y shape that is of this showy formula basis, concrete module be for prefabricating in advance, can assemble into the floating arm 5 on the spot, and the assembly is simple, the cycle is short, effectively practices thrift construction cost. The floating arm 5 has a through cavity, and ballast water can be injected into the through cavity to lower the center of gravity of the foundation and improve the stability of the floating foundation.
As shown in fig. 3, the concrete module 4 includes a main body portion 9 with two open ends and communicating with each other, the open ends of the concrete module 4 are corresponding to the first protruding block 7, the peripheral wall of the main body portion 9 is provided with a plurality of wire holes 10 penetrating along the axial direction of the main body portion, the main body portion 9 is sequentially connected to form a floating arm 5 having a through cavity, the wire holes 10 are sequentially opposite to each other to form a second through hole, and the steel strand 3 sequentially passes through the first through hole 8, the second through hole and the stopper 2, so that the central connecting block 1, the floating arm 5 and the stopper 2 are fixedly connected. In the embodiment, the first convex block 7 and the main body part are both in an oval shape so as to reduce the viscous resistance of the foundation when the foundation moves in water. In specific implementation, the first protruding block 7 and the main body 9 may also have other shapes such as corresponding hexagons. The concrete module 4 in this embodiment has a ring-shaped cross section, the size and weight of which are designed according to the carrying and assembling requirements, and the assembling surface of the concrete module 4 is required to have very small surface roughness and very high verticality so as to meet the requirements of sealing and assembling.
The peripheral wall of the main body part 9 comprises a first wall surface 11 and a second wall surface 12 which are arranged oppositely up and down, the outer side of the first wall surface 11 is provided with a boss 13, the outer side of the second wall surface 12 is provided with two support legs 14 which are arranged at intervals, the two sides of the boss 13 are provided with sliding grooves matched with the support legs 14, and the distance between the two support legs 14 is larger than or equal to the width of the boss 13. Through setting up boss 13, stabilizer blade 14 and spout, can pile up between the coagulation module and deposit. In actual use, as shown in fig. 3, the concrete modules 4 may not be stacked without the chute.
As shown in fig. 4, a second protruding block 16 is provided on one side surface of the stop block 2, the second protruding block 16 is used for closing the other open end of the floating arm 5, a plurality of third through holes 17 are uniformly distributed on the periphery of the second protruding block 16, and the steel strand 3 sequentially passes through the first through hole 8, the second through hole and the third through hole 17, so that the central connecting block 1, the floating arm 5 and the stop block 2 are fixedly connected. In the present embodiment, the second bump 16 is identical to the first bump 7 in shape and is oblong. The openings at both ends of the floating arm 5 are closed by the first and second convex blocks 7 and 16 to prevent the outflow of ballast water, and the stability of the floating foundation is improved by adjusting the amount of ballast water in the floating arm 5. The steel strand wires 3 pass through first through-hole 8, second through-hole and third through-hole 17 in proper order to with central connecting block 1, float arm 5 and dog 2 fixed even as an organic whole, during concrete implementation, carry out the pretension to the steel strand wires in dog department, so that the pretightning force should be enough big make float arm 5 all compressed tightly under any operating mode, guarantee to look down the stability of basis.
And the second through holes are all filled with lubricant. And the steel strand is anticorrosive by filling a lubricant.
As shown in fig. 5, the offshore wind turbine generator set comprises the offshore floating foundation.
The central connecting block is characterized by further comprising a tower drum 18, the central connecting block 1 is hollow, a first mounting hole 20 communicated with the inner cavity of the central connecting block is formed in the top end of the central connecting block, the tower drum 18 is obliquely mounted on the central connecting block 1 through the first mounting hole 20, and the inclination direction of the tower drum 18 is opposite to the longer floating arm 5 (namely, the included angle between the tower drum 18 and the longer floating arm 5 is larger than 90 degrees). Bolt holes 15 are also formed around the first mounting hole 20 for mounting the tower 18.
The combined type tower crane further comprises a buoy 19, a second mounting hole 21 is formed in the upper end face of the stop block 2, the buoy 19 is mounted in the second mounting hole 21, and the buoy 19 is connected with the top end of the tower barrel 18 through a steel strand 3. Bolt holes 15 are formed around the second mounting hole 21 for mounting the buoy 19. The steel strands connecting the buoy 19 and the tower drum 18 are pre-tightened, so that the tower drum only bears a small amount of bending moment load, and the service life of the tower drum 18 and the overall stability of the generator set are improved. In actual use, the bottom of the block is also provided with a hole for installing a mooring system. The fan impeller is installed on the top end of the tower barrel, the tower barrel is arranged in an inclined mode, and the condition that the steel strand from the floating barrel to the top of the tower barrel does not affect the work of the fan impeller is guaranteed.
The above-mentioned specific implementation is the preferred embodiment of the present invention, can not be right the utility model discloses the limit, any other does not deviate from the technical scheme of the utility model and the change or other equivalent replacement modes of doing all contain within the scope of protection of the utility model.
Claims (9)
1. A marine floating foundation, its characterized in that: the concrete baffle plate comprises a central connecting block, a stop block, a steel strand and a concrete module; the concrete module connects gradually in order to form the arm that floats that has the through cavity, the both ends of floating the arm have the opening, the outside of central connecting block has three evenly distributed's connection face, it all has outside convex first protruding piece to connect the face, the first through-hole that has evenly distributed is opened to the periphery of first protruding piece, it all is connected with floating the arm to connect the face to will float the one end opening of arm through first protruding piece and seal, the dog is installed in floating the other end of arm to another opening end that will float the arm seals, first through-hole, floating arm and dog are passed in proper order to the steel strand wires to make central connecting block, floating arm and dog fixed connection.
2. A marine floating foundation according to claim 1 wherein: one of the float arms is longer than the other two.
3. A marine floating foundation according to claim 1 wherein: the concrete module includes the main part of both ends opening and intercommunication, concrete module both ends open-ended shape is corresponding with first protruding piece, the wall is opened all around of main part has a plurality of along its axial through's line hole, the main part connects gradually in order to form the arm that floats that has the through cavity, the line hole is relative in order to form the second through-hole in proper order, first through-hole, second through-hole and dog are passed in proper order to the steel strand wires to make central connecting block, float arm and dog fixed connection.
4. A marine floating foundation according to claim 3 wherein: the peripheral wall of the main body part comprises a first wall surface and a second wall surface which are oppositely arranged, a boss is arranged on the outer side of the first wall surface, two support legs which are arranged at intervals are arranged on the outer side of the second wall surface, sliding grooves matched with the support legs are formed in two sides of the boss, and the distance between the two support legs is larger than or equal to the width of the boss.
5. A marine floating foundation according to claim 1 wherein: one side of the stop block is provided with a second convex block, the second convex block is used for sealing the other opening end of the floating arm, a plurality of third through holes are uniformly distributed in the periphery of the second convex block, and the steel strand sequentially passes through the first through hole, the second through hole and the third through hole so as to fixedly connect the central connecting block, the floating arm and the stop block.
6. A marine floating foundation according to claim 3 wherein: and the second through holes are all filled with lubricant.
7. Offshore wind park comprising an offshore floating foundation according to any of claims 1-6.
8. An offshore wind energy generation assembly according to claim 7, wherein: the central connecting block is hollow, a first mounting hole communicated with the inner cavity of the central connecting block is formed in the top end of the central connecting block, the tower cylinder is obliquely mounted on the central connecting block through the first mounting hole, and the inclination direction of the tower cylinder is opposite to a longer floating arm.
9. An offshore wind energy generation assembly according to claim 7, wherein: the floating drum is characterized by further comprising a floating drum, a second mounting hole is formed in the upper end face of the stop block, the floating drum is mounted in the second mounting hole, and the top end of the floating drum and the top end of the tower barrel are connected through a steel strand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545276.5U CN213270155U (en) | 2020-07-30 | 2020-07-30 | Offshore floating type foundation and offshore wind generating set with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545276.5U CN213270155U (en) | 2020-07-30 | 2020-07-30 | Offshore floating type foundation and offshore wind generating set with same |
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| Publication Number | Publication Date |
|---|---|
| CN213270155U true CN213270155U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021545276.5U Active CN213270155U (en) | 2020-07-30 | 2020-07-30 | Offshore floating type foundation and offshore wind generating set with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783179A (en) * | 2022-11-24 | 2023-03-14 | 广东精铟海洋工程股份有限公司 | Prefabricated modular foundation platform and assembling method thereof |
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2020
- 2020-07-30 CN CN202021545276.5U patent/CN213270155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115783179A (en) * | 2022-11-24 | 2023-03-14 | 广东精铟海洋工程股份有限公司 | Prefabricated modular foundation platform and assembling method thereof |
| CN115783179B (en) * | 2022-11-24 | 2023-07-21 | 广东精铟海洋工程股份有限公司 | Prefabricated modularized foundation platform and assembly method thereof |
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