CN212427179U - Hexagonal offshore wind power cylinder type foundation overwater prefabricating device - Google Patents
Hexagonal offshore wind power cylinder type foundation overwater prefabricating device Download PDFInfo
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- CN212427179U CN212427179U CN202021658099.1U CN202021658099U CN212427179U CN 212427179 U CN212427179 U CN 212427179U CN 202021658099 U CN202021658099 U CN 202021658099U CN 212427179 U CN212427179 U CN 212427179U
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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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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
The utility model provides a prefabricated device on water of hexagon offshore wind power shell type basis, sink the pad including prefabricating, the edge of prefabricated heavy pad is provided with the stand, the stand outside is provided with the snap ring, the snap ring is worn to be equipped with and is followed the spud of stand up-and-down activity, the embedding is provided with prefabricated base in the upper surface of prefabricated heavy pad, the upper surface of prefabricated heavy pad still is provided with the heavy pad of maintenance the prefabricated device on water of hexagon offshore wind power shell type basis still includes the shell type basis and pours the mould. The utility model discloses prolong the maintenance time, greatly improved the prefabricated efficiency of device.
Description
Technical Field
The utility model relates to a technical field of marine wind power basis cartridge type basis installation, more specifically relates to a prefabricated device on water of marine wind power cartridge type basis of hexagon.
Background
In recent years, the scale development speed of global offshore wind power is obviously accelerated. Outside europe, china is rapidly becoming a new growth engine. According to the statistics of the national energy agency, in 2019, 198 ten thousand kilowatts of offshore wind power installation are newly added in China, and the accumulated installed capacity reaches 593 thousand kilowatts. At present, offshore wind power in China is still in the initial stage of large-scale development, and in order to further implement the goal of realizing on-line at a flat price, offshore wind power in China will be developed towards the direction of deep sea, large capacity and low cost in the future.
The ocean environment is complex (under the load action of wind, waves, ocean currents, operation and the like), the investment ratio (20-30%) of the offshore wind power infrastructure is usually much higher than the same specific gravity of a land wind power plant, and the selection of a reasonable wind power infrastructure is of great importance. At present, the more common offshore wind power foundation structure comprises a pile foundation, a multi-pile cap, a tripod, a jacket, a gravity type and the like. In recent years, with the development of the technology in the field of marine rock and soil, the research and application of the cylindrical foundation are rapidly developed. The cylindrical foundation has the basic characteristics that the cylindrical foundation does not have the bearing capacity of deep soil as required by a pile foundation, does not have high requirements on the bearing capacity of surface soil as required by a gravity foundation, has high construction speed, can effectively utilize the window period of offshore operation, has low noise during installation, is simple and convenient to dismantle and has low cost. In the future, considering further cost reduction, improvement of hoisting and floating safety performance and basic operation bearing performance, the cylindrical foundation structure gradually develops from a steel cylinder to a concrete cylinder, and the structural form gradually develops from a circle to a polygon.
At present, prefabrication of a cylindrical foundation is completed on the shore of a port, and a large amount of land resources are occupied in the prefabrication process, so that the prefabrication cost is increased, and the prefabrication speed is reduced. Meanwhile, for wind power plants far off the shore, the transportation distance is long, and the construction efficiency is reduced. Therefore, there is a need for a prefabricated on water suitable for polygonal concrete cylindrical foundation among the prior art, make cylindrical foundation reuse in different sea areas, and can prefabricate, install fast, raise the efficiency, reduce cost's technical scheme.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides a hexagon offshore wind power section of thick bamboo type basis is prefabricated device on water.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a prefabricated device on hexagonal offshore wind power tubular type basis, sinks the pad including prefabricating, the edge of prefabricated heavy pad is provided with the stand, the stand outside is provided with the snap ring, the snap ring is worn to be equipped with and is followed the spud pile of stand activity from top to bottom, the embedding is provided with prefabricated base in the upper surface of prefabricated heavy pad, the prefabricated upper surface that sinks the pad still is provided with the heavy pad of maintenance, the prefabricated device on hexagonal offshore wind power tubular type basis still includes the tubular type basis and pours the mould.
The cylindrical foundation pouring die comprises a cylindrical wall outer steel film and a cylindrical wall inner steel film which are arranged in a hexagonal mode, a pouring partition plate is arranged between the cylindrical wall outer steel film and the cylindrical wall inner steel film, and a bin separating plate is further arranged inside the cylindrical wall inner steel film.
The bin dividing plate divides the regular hexagonal prism space inside the steel film in the cylinder wall into a regular hexagonal prism silo and six trapezoidal prism silos.
The prefabricated mat is of a steel square box structure with a hollow interior.
And the prefabricated sinking pad is provided with air holes.
The prefabricated base is of a concrete structure.
The maintenance mat is of a steel square box structure with a hollow interior.
And the maintenance mat is provided with a water drainage and air inflation hole.
The maintenance sinking pads are arranged layer by layer from bottom to top, and the number of the maintenance sinking pads is 2-4.
Compared with the prior art, the utility model beneficial effect be:
1. the method has the advantages that most pouring work of the cylinder wall of the hexagonal cylinder type foundation is completed on the prefabricated sinking pad, and the residual cylinder wall pouring and later-stage maintenance are completed by moving to the maintenance sinking pad, so that the single pouring and multiple maintenance of the cylinder type foundation are simultaneously performed, the maintenance time is prolonged, and the prefabrication efficiency of the device is greatly improved.
2. The prefabricated sinking pad is provided with the upright post, so that the stability of the device in the floating and sinking processes can be ensured, and a larger restoring moment is provided; meanwhile, constructors can enter the upright column, and necessary construction equipment is placed in the upright column.
3. The cylinder wall outer steel film, the cylinder wall inner steel film and the partition plate are of an integrated and modular structure, assembly is rapid, the cylinder wall outer steel film, the cylinder wall inner steel film and the partition plate form a whole after assembly and welding, the structure is stable before pouring, and the strength and the corrosion resistance of the cylinder wall can be further enhanced after pouring, so that multiple purposes are achieved.
4. The device has simple structure, is detachable and can be repeatedly used.
Drawings
Fig. 1 is a schematic structural view of the maintenance mat placed on the middle-sized and whole-sized machine of the present invention.
Fig. 2 is a schematic structural diagram of the middle-sized and complete machine of the present invention.
Fig. 3 is a schematic structural view of the cylinder wall formwork of the present invention after being erected.
Fig. 4 is a schematic structural diagram after the cylinder wall is partially poured and the mat is sunk.
Fig. 5 is a structural schematic diagram of a partially cast cylindrical foundation after floating.
Fig. 6 is a view showing a state where the cylindrical form of the foundation casting mold is placed on the maintenance mat.
Fig. 7 is a state diagram after the completion of the cylinder wall pouring.
FIG. 8 is a state diagram of the hexagonal offshore wind turbine shell foundation after prefabrication is completed.
Reference numerals: 1. prefabricating a sinking pad; 2. a column; 3. positioning the pile; 4. a snap ring; 5. prefabricating a base; 6. maintaining the mat; 7. a steel film is arranged outside the cylinder wall; 8. a steel film is arranged in the cylinder wall; 9. pouring a partition plate; 10. a bin dividing plate; 11. a cylinder wall; 12. a cartridge top cover; 13. a transition section.
Detailed Description
The invention will be further elucidated below on the basis of a specific embodiment.
The hexagonal offshore wind power cylindrical foundation overwater prefabricating device comprises a prefabricated mat 1, wherein the prefabricated mat 1 is a hollow steel square box structure, and in the embodiment, the length and the width of the prefabricated mat 1 are 49m and the height is 3 m. The prefabricated mat 1 is provided with air holes. The edge of the prefabricated mat 1 is provided with an upright post 2, in the embodiment, the side length of the cross section of the upright post 2 is 4m, and the height is 12 m; the inside of the upright post is used for accommodating constructors and placing equipment for floating transportation, sinking, prefabrication, pouring, maintenance and the like. The stand 2 outside is provided with snap ring 4, and snap ring 4 is worn to be equipped with can follow the spud 3 of stand 2 activity from top to bottom, and in this embodiment, 3 length 20m of spud are equipped with the buckle that can fix spud 3 on the snap ring 4. The upper surface of the prefabricated mat 1 is embedded with a prefabricated base 5, and the prefabricated base 5 is of a concrete structure. The shape of the prefabricated base 5 is a circular corridor formed by an inner layer of regular hexagon and an outer layer of regular hexagon, and the outer contour of the prefabricated base is consistent with the outer contour of a maximum hexagonal cylindrical foundation to be prefabricated; the inner contour is consistent with the inner contour of the minimum hexagonal cylinder foundation to be prefabricated, in the embodiment, the diameter of the outer contour is 45m, and the diameter of the inner contour is 30 m. The upper surface of the prefabricated mat 1 is also provided with a maintenance mat 6, and the maintenance mat 6 is also of a hollow steel square box structure. The maintenance mat 6 is provided with a water drainage and air inflation hole. The maintenance mat 6 is arranged from bottom to top layer by layer, the number of the maintenance mat 6 is 2-4, the thickness of each maintenance mat 6 is consistent with that of the prefabricated mat 1, in the embodiment, the plane size 47 x 47m of each maintenance mat 6 is consistent with that of the prefabricated mat, and the number is 3. The waterborne prefabricating device for the hexagonal offshore wind power cylindrical foundation further comprises a cylindrical foundation pouring mold. The cylindrical foundation pouring mold comprises a cylindrical wall outer steel film 7 and a cylindrical wall inner steel film 8 which are arranged in a hexagonal shape, and pouring partition boards 9 are arranged between the cylindrical wall outer steel film 7 and the cylindrical wall inner steel film 8, wherein in the embodiment, the number of the pouring partition boards is 18. The interior of the steel film 8 in the cylinder wall is also provided with a bin distribution plate 10. The bin dividing plate 10 divides the regular hexagonal prism space inside the steel film 8 in the wall of the bin into a regular hexagonal prism silo and six trapezoidal prism silos. In this embodiment, the diameter of the prefabricated hexagonal offshore wind turbine shell type foundation is 45 m.
The method for prefabricating the hexagonal offshore wind power cylindrical foundation on water by adopting the device comprises the following steps:
s1, arranging the maintenance sinking mats 6 on the prefabricated sinking mat 1 one by one, carrying out floating transportation on the whole machine consisting of the prefabricated sinking mat 1, the upright post 2, the positioning pile 3 and the clamping ring 4, and inflating the maintenance sinking mat 6 when the whole machine arrives at a prefabricated place, so that the maintenance sinking mats 6 float around the prefabricated sinking mat 1 one by one;
s2, injecting water into the maintenance mat 6 through the drainage and inflation holes to enable the maintenance mat 6 to sink to a specified position;
s3, selecting proper cylinder wall outer steel film 7, cylinder wall inner steel film 8, pouring partition plate 9 and partition plate 10 according to the designed hexagonal offshore wind power cylinder type foundation, and assembling and welding the prefabricated sinking pad 1, wherein in the embodiment, the outer contour diameter is 45m, and the inner contour diameter is 30m, so that after the selected steel films and steel plates are spliced, the requirement that the diameter of an external circle of a regular hexagonal prism formed by the cylinder wall outer steel film 7 is not more than 45m, and the diameter of an internal tangent circle of the regular hexagonal prism formed by the cylinder wall inner steel film 8 is not less than 30m can be met; erecting and welding the bin dividing plate 10, covering a bin top cover 12 on the top of the steel film 8 in the bin wall, and welding; the shape and the size of the cylinder top cover 12 are completely the same as those of a regular hexagon surrounded by the steel films 8 in the cylinder wall, the cylinder top cover 12 completely covers the steel films 8 in the cylinder wall, and the cylinder top cover 12 is also provided with an air hole;
s4, performing concrete pouring, wherein in the pouring process, the prefabricated sinking pad 1 sinks under the action of the gravity of the cylinder wall 11, and meanwhile, the silo separated by the silo separating plate 10 is inflated through the inflating hole on the cylinder top cover 12, so that the silo is separated from the prefabricated sinking pad 1 and floats;
s5, after the hexagonal offshore wind power cylindrical foundation is transported to the position of the maintenance mat 6 in a floating mode, the hexagonal offshore wind power cylindrical foundation is sunk until the silo is stably located on the maintenance mat 6, and all pouring work of the cylindrical wall 11 and the cylindrical top cover 12 is continuously carried out; curing the cast part while casting; meanwhile, the prefabrication work of the next hexagonal offshore wind power cylindrical foundation is started on the prefabricated mat 1, and a steel film, a steel plate and the like used by the next cylindrical foundation are assembled and welded;
s6, prefabricating the transition section 13 on the barrel top cover 12, welding, and then pouring to complete the prefabrication work of the whole hexagonal offshore wind power barrel type foundation;
s7, after prefabrication of the hexagonal offshore wind power cylindrical foundation is completed, inflating the interior of the silo through the inflating hole formed in the top cover 12 of the cylinder to enable the hexagonal offshore wind power cylindrical foundation to float out of the water surface, and then floating the hexagonal offshore wind power cylindrical foundation to a specified place to be sunk;
s8, after all the hexagonal offshore wind power cylinder foundations are prefabricated, pumping water and inflating the maintenance mat 6 through the drainage and air exhaust holes to enable the maintenance mat 6 to float out of the water, arranging the maintenance mats 6 on the prefabricated mat 1 one by one, and then transporting the whole machine to the next designated place in a floating mode to perform prefabrication.
In the pouring process of the former cylindrical foundation, the prefabricated mat 1 is transferred to the maintenance mat 6, and the prefabrication of the former cylindrical foundation can be completed, namely the prefabrication of the latter cylindrical foundation is started; moreover, each cylindrical foundation can be maintained while pouring, and the construction efficiency of the prefabricated cylindrical foundations in batches is greatly improved.
In the description of the present invention, it is to be understood that the terms "first," "last," "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and, therefore, should not be taken as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The above description is only the preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned specific embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a prefabricated device on water of marine wind power barrel type basis of hexagon, is including prefabricated heavy pad (1), characterized by, the edge of prefabricated heavy pad (1) is provided with stand (2), stand (2) outside is provided with snap ring (4), snap ring (4) are worn to be equipped with and are followed spud (3) of stand (2) activity from top to bottom, the embedding is provided with prefabricated base (5) in the upper surface of prefabricated heavy pad (1), the upper surface of prefabricated heavy pad (1) still is provided with maintenance heavy pad (6), the prefabricated device on water of marine wind power barrel type basis of hexagon still includes that the barrel type basis pours the mould.
2. The hexagonal offshore wind power cylinder type foundation overwater prefabricating device according to claim 1, wherein the cylinder type foundation pouring die comprises a cylinder wall outer steel film (7) and a cylinder wall inner steel film (8) which are arranged in a hexagonal shape, a pouring partition plate (9) is arranged between the cylinder wall outer steel film (7) and the cylinder wall inner steel film (8), and a bin distribution plate (10) is further arranged inside the cylinder wall inner steel film (8).
3. The device for prefabricating a hexagonal offshore wind turbine type foundation on water as claimed in claim 2, wherein said bin dividing plate (10) divides a regular hexagonal prism space inside said steel membrane (8) in said drum wall into a regular hexagonal prism silo and six trapezoidal prism silos.
4. The device for prefabricating a hexagonal offshore wind turbine type foundation on water according to claim 1, characterized in that said prefabricated mat (1) is a steel square box structure with a hollow interior.
5. A hexagonal offshore wind turbine type foundation overwater prefabrication device according to claim 4, characterised in that the prefabricated mat (1) is provided with air holes.
6. A hexagonal offshore wind turbine type foundation overwater prefabrication device according to claim 1, characterised in that said prefabricated base (5) is of concrete construction.
7. A hexagonal offshore wind turbine type foundation overwater prefabricating device according to claim 1, characterised in that the maintenance mat (6) is of a steel square box structure with a hollow interior.
8. A hexagonal offshore wind turbine type foundation overwater prefabricating device according to claim 7, characterised in that the maintenance mat (6) is provided with drainage and aeration holes.
9. The device for prefabricating a hexagonal offshore wind turbine cylindrical foundation on water according to claim 1, wherein said maintenance mats (6) are arranged layer by layer from bottom to top, the number of said maintenance mats (6) being 2-4.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658099.1U CN212427179U (en) | 2020-08-11 | 2020-08-11 | Hexagonal offshore wind power cylinder type foundation overwater prefabricating device |
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| CN202021658099.1U CN212427179U (en) | 2020-08-11 | 2020-08-11 | Hexagonal offshore wind power cylinder type foundation overwater prefabricating device |
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| CN212427179U true CN212427179U (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089712A (en) * | 2021-03-31 | 2021-07-09 | 河北工程大学 | Displacement device and method for large-scale prefabricated underwater mat |
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2020
- 2020-08-11 CN CN202021658099.1U patent/CN212427179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089712A (en) * | 2021-03-31 | 2021-07-09 | 河北工程大学 | Displacement device and method for large-scale prefabricated underwater mat |
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