CN212294724U - Equipment for prefabricating offshore wind power barrel type foundation at wharf front edge - Google Patents
Equipment for prefabricating offshore wind power barrel type foundation at wharf front edge Download PDFInfo
- Publication number
- CN212294724U CN212294724U CN201922149257.4U CN201922149257U CN212294724U CN 212294724 U CN212294724 U CN 212294724U CN 201922149257 U CN201922149257 U CN 201922149257U CN 212294724 U CN212294724 U CN 212294724U
- Authority
- CN
- China
- Prior art keywords
- offshore wind
- area
- wind power
- wharf
- foundation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a device for prefabricating an offshore wind power cylindrical foundation at the front edge of a wharf, which comprises a welding area, a pouring area and a maintenance area; the welding area is arranged near the wharf and used for welding the cylinder wall and the top cover of the offshore wind power cylinder type foundation and comprises a caisson and a floating platform, wherein a support column is arranged on the caisson, and the floating platform is connected to the support column through a guide rail and can slide up and down; the welding area is arranged near the wharf and used for pouring an arc transition section at the upper part of the offshore wind power cylindrical foundation and comprises a pouring area anchor cable and a pouring area cable rope which are used for connecting and fixing the cylindrical wall and the top cover of the offshore wind power cylindrical foundation; the maintenance area is used for fixing the offshore wind power cylindrical foundation after the offshore wind power cylindrical foundation is poured, and comprises a maintenance area anchor cable and a maintenance area mooring rope which are used for connecting and fixing the offshore wind power cylindrical foundation. The utility model discloses can realize utilizing multipurposely the pier sea area, near the pier one by welding-pour-maintenance marine section of thick bamboo type basis preparation industrial chain as an organic whole.
Description
Technical Field
The utility model relates to an ocean engineering structure construction, in particular to equipment that offshore wind power section of thick bamboo type basis is prefabricated in pier forward position realization sea.
Background
Offshore wind power is a clean renewable energy source with excellent development prospect, and is paid much attention to the advantages of being close to power load concentration areas, strong in power consumption capacity, free of land resource occupation and the like. In recent years, offshore wind power of China develops rapidly, and a large amount of offshore wind power plants are planned and constructed. At present, the main foundation structures of an offshore wind power plant comprise a steel pipe pile foundation, a jacket foundation, a tripod foundation, a cylindrical foundation and the like, most of the construction modes are that the steel pipe pile foundation, the jacket foundation, the tripod foundation and the cylindrical foundation are prefabricated on the shore firstly and then transported to the site for construction and installation, and the cylindrical foundation occupies a larger space due to larger volume in the prefabrication process.
With the continuous promotion of wind power generation demand, the adoption of high-power units is advocated in the construction of offshore wind power plants nowadays, but this often causes the increase of the volume of the cylindrical foundation due to the bearing capacity demand. In addition, in the process of offshore wind farm construction, the prefabrication of the cylindrical foundation is required to be synchronous or remained. And the requirement is difficult to realize in coastal areas due to the shortage of land resources and high lease cost, so that the construction of a wind power plant is delayed. However, the wharf in coastal areas is more abundant, the lease cost is lower, and if a method can be provided, the prefabricated cylindrical foundation of the wharf can be comprehensively utilized, the utilization rate of the wharf can be increased, and the manufacturing efficiency of the cylindrical foundation can be improved.
For this reason, there is a need for an apparatus for prefabricating an offshore wind turbine foundation at the wharf front, which can improve the manufacturing efficiency of the foundation without affecting coastal land resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a prefabricated marine wind power shell type basis's in pier forward position equipment, can realize the comprehensive utilization pier sea area, near pier one by welding-pour-maintenance marine shell type basis preparation industrial chain as an organic whole.
The utility model adopts the technical proposal that: an apparatus for prefabricating an offshore wind turbine type foundation at the leading edge of a wharf, comprising:
the welding area is arranged near the wharf and used for welding the barrel wall and the top cover of the offshore wind power barrel type foundation; the welding area comprises a caisson and a floating platform, wherein a support column is arranged on the caisson, and the floating platform is connected to the support column through a guide rail and can slide up and down along the support column;
the pouring area is arranged near the wharf and used for pouring an upper arc transition section of the offshore wind power cylindrical foundation; the pouring area comprises a pouring area anchor cable and a pouring area cable, wherein the pouring area anchor cable is used for connecting and fixing the cylinder wall of the offshore wind power cylinder type foundation and the top cover; and the number of the first and second groups,
and the maintenance area is used for fixing the offshore wind power cylindrical foundation after the completion of the pouring, and comprises a maintenance area anchor cable and a maintenance area mooring rope which are used for connecting and fixing the offshore wind power cylindrical foundation floating on the sea surface.
Further, the welding area and the pouring area are arranged adjacently and are arranged along the wharf direction; the maintenance area is arranged on one side, far away from the wharf, of the pouring area.
Further, the caisson and the floating platform are both provided with an air inlet/outlet hole and a water inlet/drain hole, so that the caisson and the floating platform can float up or sink down.
Furthermore, the caisson adopts an internal hollow precast slab poured by artificial concrete.
Further, the floating platform adopts a steel box structure with a hollow inner part.
Further, the support column is a solid column poured by artificial concrete.
The utility model has the advantages that: the utility model relates to an equipment on prefabricated marine wind power section of thick bamboo type basis in pier forward position adopts the mode that pier and floating platform combine, has avoided too much to occupy land resource, has realized the purpose on the prefabricated section of thick bamboo type basis at sea. Firstly, the cylinder foundation is prefabricated and moved to the sea to greatly reduce land lease, only a small amount of materials are needed to be accumulated in a field, so that the situation of land resource shortage is relieved, the utilization rate of a wharf is improved, and the land lease cost is reduced to a certain extent; secondly, the utility model integrates prefabrication (welding-pouring-maintaining) of the cylindrical foundation, thereby saving time and accelerating the manufacturing efficiency of the cylindrical foundation; furthermore, the utility model relates to a simply, easily construction to can guarantee not needing floatable migration under the prefabricated prerequisite, realize that the marine wind power section of thick bamboo type basis of zero remaining green recycling is prefabricated, have good application prospect.
Drawings
FIG. 1: the utility model relates to an equipment structure schematic diagram of a prefabricated offshore wind power cylinder foundation at the wharf front edge;
FIG. 2: the utility model discloses a weld zone front view;
FIG. 3: the utility model discloses a sinking elevation of a welding zone floating platform;
FIG. 4: the utility model discloses a pouring area elevation;
FIG. 5: the utility model discloses a front view of the maintenance area;
the attached drawings are marked as follows: 1. a dock; 2. caisson; 3. a floating platform; 4. a support pillar; 5. pouring an anchor cable in the area; 6. A mooring rope in a pouring area; 7. maintaining the anchor cable in the area; 8. a maintenance area cable; 9. an air inlet/outlet hole; 10. water inlet/drain holes; 11. a weld zone cable;
A. a cylinder wall; B. a top cover; C. an upper arcuate transition section;
i, welding area; II, pouring a region; III, maintaining the area.
Detailed Description
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
as shown in figure 1, the equipment for prefabricating the offshore wind power cylindrical foundation at the front edge of the wharf comprises a welding area I, a pouring area II and a maintenance area III, wherein the welding area I and the pouring area II are adjacently arranged, are uniformly arranged at positions near the wharf 1 and are arranged along the direction of the wharf 1, and the maintenance area III is arranged on one side, far away from the wharf 1, of the pouring area II.
The welding area I is used for welding a cylinder wall A and a top cover B of the offshore wind power cylinder type foundation. As shown in fig. 2 and 3, the welding area i includes caissons 2, floating platforms 3, and support columns 4. The caisson 2 is an internal hollow precast slab poured by artificial concrete, and is 50m long, 50m wide and 10m high; the floating platform 3 is of a steel box structure, is hollow inside, can ensure the air floatation effect, and has the size of 50m in length, 50m in width and 10m in height; the support column 4 is a solid column poured by artificial concrete and has the diameter of 4 m. The caisson 2 is fixedly connected with the supporting column 4, and the supporting column 4 is connected with the floating platform 3 through a guide rail, so that the floating platform 3 can slide up and down along the supporting column 4. The caisson 2 and the floating platform 3 are both provided with an air inlet/outlet hole 9 and a water inlet/drain hole 10, so that the caisson 2 and the floating platform 3 can float up or sink down.
And the pouring area II is used for pouring an upper arc transition section C of the offshore wind power cylindrical foundation. As shown in fig. 4, the casting area ii includes a casting area anchor cable 5 and a casting area cable 6 for connecting and fixing the cylinder wall a and the top cover B of the offshore wind power cylinder type foundation. The casting area anchor cable 5 is fixed on a seabed foundation, one end of the casting area cable 6 is tied to the casting area anchor cable 5, and the other end floats on the sea surface.
And the maintenance area III is used for fixing the offshore wind power cylindrical foundation after the completion of the maintenance and pouring. As shown in fig. 5, the maintenance area iii includes maintenance area anchor cables 7 and maintenance area cables 8 for connecting and fixing the offshore wind turbine type foundation floating on the sea surface. The maintenance area anchor cable 7 is fixed on a seabed foundation, one end of the maintenance area cable 8 is tied to the maintenance area anchor cable 7, and the other end floats on the sea surface.
Adopt the utility model discloses the equipment on the prefabricated offshore wind power barrel type basis in pier forward position carries out the prefabrication of offshore wind power barrel type basis:
after the caisson 2 and the support column 4 are assembled in the dock, the floating platform 3 is connected with the support column 4 through hoisting, water is discharged from the dock, and the caisson 2 and the floating platform 3 float and are dragged to the vicinity of the wharf 1;
the air inlet/outlet hole 9 and the water inlet/outlet hole 10 of the caisson 2 are opened close to the wharf 1 to enable the caisson to sink to the seabed, the floating platform 3 floats above the sea surface to form a stable welding area I with the support columns 4, the floating platform can be welded with a cylinder wall A and a top cover B of the offshore wind power cylinder type foundation, and the diameter of the cylinder wall A is 30 m; after welding, fixing the floating platform 3 by using a cable 11 of a welding area, opening an air inlet/outlet hole 9 and a water inlet/drain hole 10 of the floating platform 3 to enable the floating platform to slowly sink, and floating the cylinder wall A of the offshore wind power cylinder type foundation on the sea surface due to buoyancy at the moment, as shown in fig. 3;
dragging the welded cylinder wall A and the welded top cover B to a pouring area II, connecting an air pump with an air inlet/outlet hole 9 of the floating platform 3 for inflation after the cylinder wall A and the top cover B are dragged out of the welding area I, closing the air inlet/outlet hole 9 and the water inlet/outlet hole 10 after the floating platform 3 slowly rises to the water surface, and welding the next set of offshore wind power cylinder type foundation;
meanwhile, the offshore wind power cylindrical foundation dragged to the pouring area II is connected with the cylindrical wall A through a pouring area anchor cable 5 to fix the offshore wind power cylindrical foundation so as to prevent the marine current from causing sloshing, as shown in FIG. 4; pouring the upper arc-shaped transition section C by conveying concrete on the shore, wherein the diameter of the top of the upper arc-shaped transition section C is 7m, and the diameter of the lower part of the upper arc-shaped transition section C is 24 m;
after the pouring is finished, dragging the offshore wind power cylindrical foundation to a maintenance area III, and fixing, standing and maintaining the offshore wind power cylindrical foundation by using a maintenance area anchor cable 7, as shown in fig. 5; after the maintenance is finished, dragging the ship to a specified position for sinking installation;
after the prefabrication of the whole offshore wind power cylindrical foundation is completed, the caisson 2 floats by being connected with an air inlet/outlet hole 9 in the caisson 2 through an air pump and inflated, and is shipped to other areas needing prefabrication of the offshore wind power cylindrical foundation through a ship to perform prefabrication of the next group of offshore wind power cylindrical foundations.
In the embodiment, the whole area is 200m long and 200m wide, and the flow process of welding-pouring-maintaining can be realized at a ratio of 1:3: 9.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (6)
1. The utility model provides an equipment of prefabricated offshore wind power cylinder type basis at wharf frontier which characterized in that includes:
the welding area (I) is arranged near the wharf (1) and used for welding a barrel wall (A) and a top cover (B) of an offshore wind power barrel type foundation; the welding area (I) comprises a caisson (2) and a floating platform (3), wherein a supporting column (4) is arranged on the caisson (2), and the floating platform (3) is connected to the supporting column (4) through a guide rail and can slide up and down along the supporting column (4);
the pouring area (II) is arranged near the wharf (1) and used for pouring an upper arc transition section (C) of the offshore wind power cylindrical foundation; the pouring area (II) comprises a pouring area anchor cable (5) and a pouring area cable (6) which are used for connecting and fixing the cylinder wall (A) and the top cover (B) of the offshore wind power cylinder type foundation; and the number of the first and second groups,
and the maintenance area (III) is used for fixing the offshore wind power cylindrical foundation after the completion of maintenance and pouring, and comprises a maintenance area anchor cable (7) and a maintenance area mooring rope (8) which are used for connecting and fixing the offshore wind power cylindrical foundation floating on the sea surface.
2. Device for prefabricating a offshore wind turbine type foundation at the wharf's front according to claim 1, characterised in that said welding area (i) and said pouring area (ii) are arranged adjacent and along the wharf (1); and the maintenance area (III) is arranged on one side of the pouring area (II) far away from the wharf (1).
3. Device for prefabrication of an offshore wind turbine type foundation at the quayside according to claim 1, characterised in that both the caisson (2) and the floating platform (3) are provided with air inlet/outlet holes (9) and water inlet/outlet holes (10) so that the caisson (2) and the floating platform (3) can float up or sink down.
4. Device for prefabrication of an offshore wind turbine type foundation at the wharf's front according to claim 1, characterised in that the caisson (2) is made of internal hollow prefabricated slabs poured in artificial concrete.
5. Device for prefabrication of an offshore wind turbine type foundation at the quayside according to claim 1, characterised in that the floating platform (3) is of a steel box structure with a hollow interior.
6. Device for prefabrication of an offshore wind turbine type foundation at the quayside according to claim 1, characterised in that said supporting columns (4) are solid columns cast of artificial concrete.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922149257.4U CN212294724U (en) | 2019-12-04 | 2019-12-04 | Equipment for prefabricating offshore wind power barrel type foundation at wharf front edge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922149257.4U CN212294724U (en) | 2019-12-04 | 2019-12-04 | Equipment for prefabricating offshore wind power barrel type foundation at wharf front edge |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212294724U true CN212294724U (en) | 2021-01-05 |
Family
ID=73932825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922149257.4U Active CN212294724U (en) | 2019-12-04 | 2019-12-04 | Equipment for prefabricating offshore wind power barrel type foundation at wharf front edge |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212294724U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111005399A (en) * | 2019-12-04 | 2020-04-14 | 天津大学 | Equipment and method for prefabricating offshore wind power barrel type foundation at wharf front edge |
-
2019
- 2019-12-04 CN CN201922149257.4U patent/CN212294724U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111005399A (en) * | 2019-12-04 | 2020-04-14 | 天津大学 | Equipment and method for prefabricating offshore wind power barrel type foundation at wharf front edge |
CN111005399B (en) * | 2019-12-04 | 2024-07-19 | 天津大学 | Equipment and method for prefabricating offshore wind torch type foundation on wharf front edge |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110450917B (en) | Floating type offshore photovoltaic power generation platform | |
CN211519801U (en) | Floating offshore wind power foundation structure with additional net cage | |
CN111232140A (en) | Floating offshore wind power foundation structure with additional net cage | |
CN110382781B (en) | Marine structure for laying the foundation of buildings, equipment and wind turbines by gravity in a marine environment | |
EP2837554A1 (en) | Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method | |
CN102182203B (en) | A kind of steel row's formula anemometer tower foundation and anemometer tower structure | |
CN103255752B (en) | Support the buoyant support fixed platform of offshore wind turbine, marine works | |
CA2980959C (en) | Gravity-based foundation for the installation of offshore wind turbines | |
CN110155264B (en) | Marine fan composite cylinder foundation towing structure and towing method | |
CN103362113A (en) | Local buoyancy ocean platform of offshore wind power, bridge and ocean structure, and construction method | |
JP5738643B2 (en) | Installation method of offshore wind power generation equipment | |
CN115158549A (en) | Tension leg mooring offshore floating type fan foundation structure | |
CN114855865A (en) | Tensioning type fan foundation anchored on rock-based seabed and arrangement method | |
CN212294724U (en) | Equipment for prefabricating offshore wind power barrel type foundation at wharf front edge | |
CN211922691U (en) | Equipment capable of migrating and prefabricating offshore wind power barrel type foundation | |
CN117178927A (en) | Assembled truss marine pasture foundation and installation method thereof | |
CN217870596U (en) | Tensioning type fan foundation anchored on foundation seabed | |
CN111005400B (en) | Equipment and method for preparing offshore wind torch type foundation in movable mode | |
CN103758146A (en) | Guide pipe frame-cylindrical structure combined offshore wind turbine foundation | |
CN116513384A (en) | Water floating platform device and installation method thereof | |
CN216515566U (en) | Tension type single-point mooring combined anchorage structure based on spiral anchor | |
JP5738642B2 (en) | Installation method of offshore wind power generation equipment | |
CN111005399B (en) | Equipment and method for prefabricating offshore wind torch type foundation on wharf front edge | |
CN212294732U (en) | Assembled offshore wind power barrel type foundation | |
CN210975864U (en) | Offshore wind power composite barrel foundation construction structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |