CN211922691U - Equipment capable of migrating and prefabricating offshore wind power barrel type foundation - Google Patents
Equipment capable of migrating and prefabricating offshore wind power barrel type foundation Download PDFInfo
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- CN211922691U CN211922691U CN201922149172.6U CN201922149172U CN211922691U CN 211922691 U CN211922691 U CN 211922691U CN 201922149172 U CN201922149172 U CN 201922149172U CN 211922691 U CN211922691 U CN 211922691U
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Abstract
The utility model discloses a device capable of moving and prefabricating a marine wind power cylinder foundation, which comprises a material area, a welding area, a pouring area and a maintenance area; the material area is used for storing prefabricated materials of the offshore wind power cylinder type foundation and comprises a material area caisson and a fixed platform; the welding area is used for welding the cylinder wall and the top cover of the offshore wind power cylinder type foundation and comprises a welding area caisson and a floating platform capable of sliding up and down; the pouring area is used for pouring an upper arc transition section of the offshore wind power cylindrical foundation and comprises a pouring area caisson, and a pouring area support column used for hanging the cylindrical wall of the offshore wind power cylindrical foundation is arranged on the pouring area caisson; the maintenance area is used for fixing the offshore wind power cylindrical foundation after the completion of the maintenance and pouring, and comprises an anchor cable and a maintenance area cable which are used for connecting and fixing the offshore wind power cylindrical foundation. The utility model discloses can realize near the comprehensive utilization of wind-powered electricity generation field sea area, form a barrel type basis marine prefabrication base of storing by the material-welding-pouring-maintenance as an organic whole.
Description
Technical Field
The utility model relates to an ocean engineering technique, in particular to migrate near prefabricated equipment of offshore wind power generation field with marine wind power generation section of thick bamboo type foundation structure.
Background
Offshore wind power is a clean renewable energy source with excellent development prospect, and is paid much attention to due to the advantages that the offshore wind power is developed to be close to a power load concentration area, the power consumption capacity is high, land resources are not occupied and the like. At present, most of the construction modes of steel pipe pile foundations, jacket foundations, tripod foundations, barrel foundations and the like in main foundation structures of offshore wind farms in China are prefabricated on shore and then transported to a site for construction and installation. However, the offshore wind power foundation structure is large in size, only 3-4 groups of transport ships are adopted for one time, and particularly, the inclination is easy to occur under the action of waves and currents during the consignment of the cylindrical foundation, so that the consequence is serious.
With the continuous improvement of the wind power generation demand and the continuous optimization of the offshore wind power structure form, the construction of the offshore wind power plant gradually develops from offshore to open sea. However, the distance from the shore prefabricated base to the target wind power plant is continuously lengthened, and the transportation cost is increased linearly. In addition, the lengthening of the transport distance indirectly increases the uncertainty factor of the transport process, which leads to an increased transport risk. Therefore, if a device or a method capable of effectively solving the problems is designed, a prefabricated base is formed in the sea area near the offshore wind farm, and the construction efficiency of the cylindrical foundation is greatly improved.
For this reason, it is necessary to provide a device for transferring a prefabricated offshore wind power tower foundation, so that it can reduce the transportation distance and risk of the tower foundation without affecting the efficiency of the offshore wind power plant construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough among the prior art, provide a prefabricated marine wind power section of thick bamboo type basic equipment of migratory, can realize near the comprehensive utilization of wind-powered electricity generation field sea area, form a section of thick bamboo type basic marine prefabricated base of storing-welding-pouring-maintenance by the material as an organic whole.
The utility model adopts the technical proposal that: an apparatus for migratably prefabricating an offshore wind turbine type foundation, comprising:
the material area is used for storing prefabricated materials of the offshore wind power cylinder type foundation, the material area comprises a material area caisson and a fixed platform, the fixed platform is fixedly connected with the material area caisson through a material area supporting column, a material area skirt is arranged at the bottom of the material area caisson, and the material area skirt is inserted into the seabed foundation after the material area caisson sinks;
the welding area is used for welding the cylinder wall and the top cover of the offshore wind power cylinder type foundation, and comprises a welding area caisson and a floating platform, wherein a welding area supporting column is arranged on the welding area caisson, the floating platform is connected to the welding area supporting column through a guide rail and can slide up and down along the welding area supporting column, a welding area skirt is arranged at the bottom of the welding area caisson, and the welding area skirt is inserted into the seabed foundation after the welding area caisson sinks;
the device comprises a pouring area, a connecting device and a control device, wherein the pouring area is used for pouring an upper arc transition section of the offshore wind power cylindrical foundation and comprises a pouring area caisson, a pouring area supporting column used for hanging the cylindrical wall of the offshore wind power cylindrical foundation is arranged on the pouring area caisson, a pouring area skirt is arranged at the bottom of the pouring area caisson, and the pouring area skirt is inserted into the seabed foundation after the pouring area caisson sinks; 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 an anchor cable and a maintenance area cable which are used for connecting and fixing the offshore wind power cylindrical foundation floating on the sea surface.
Furthermore, the material area, the welding area and the pouring area are arranged adjacently, wave walls are arranged on the windward side and the wave surface of the material area, the welding area and the pouring area, and the wave walls of the material area, the welding area and the pouring area are connected with one another through retaining rings.
Wherein the maintenance area is arranged on the leeward surface and the surf surface of the pouring area.
Furthermore, the material area caisson, the welding area caisson and the pouring area caisson are all provided with an air inlet/exhaust hole and a water inlet/drain hole; air bags are arranged in the material area caisson, the welding area caisson and the pouring area caisson, and are communicated with the air inlet/exhaust holes.
Further, an air inlet/exhaust hole and a water inlet/drain hole are formed in the floating platform.
Furthermore, the material area caisson, the welding area caisson, the pouring area caisson and the fixed platform are all prefabricated plates poured by artificial concrete.
Further, the floating platform adopts a steel box structure with a hollow inner part.
Furthermore, the material area supporting columns, the welding area supporting columns and the pouring area supporting columns are all solid columns poured by artificial concrete.
The utility model has the advantages that: the utility model relates to a prefabricated marine wind power section of thick bamboo type basic equipment can migrate adopts the mode of multimode combination, has avoided the risk that section of thick bamboo type basis long distance transportation caused, realizes the purpose on the prefabricated section of thick bamboo type basis in near deep sea wind farm. Firstly, the cylinder type foundation is prefabricated and moved to the vicinity of an offshore wind farm, so that land renting is greatly reduced, and the situation of land resource shortage is greatly relieved. Secondly, the utility model discloses synthesize near the sea area of deep sea wind farm, form the prefabrication (material-welding-pouring-maintenance) of cartridge type basis into integrated line production for the manufacturing efficiency of cartridge type basis. Thirdly, the transportation cost is greatly reduced for the transportation material relative to the consignment cylinder type foundation. Furthermore, the utility model relates to a simply, easy construction and split are fast 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 transportable prefabricated offshore wind power cylinder type foundation;
FIG. 2: the utility model discloses a section view of a wave wall;
FIG. 3 a: the material area of the utility model is in front view when floating on water;
FIG. 3 b: the material area of the utility model is in front view when the material area is completely sunk and sits on the seabed;
FIG. 4: the internal schematic diagram of the material area caisson/welding area caisson/pouring area caisson of the utility model;
FIG. 5: the utility model discloses a weld zone front view;
FIG. 6: the utility model discloses a floating platform sinks the elevation;
FIG. 7: the utility model discloses a pouring area elevation;
FIG. 8: the utility model discloses a front view of the maintenance area;
the attached drawings are marked as follows: 1. a wave wall; 2. a retaining ring; 3. a material zone caisson; 4. a fixed platform; 5. a material region support column; 6. a material zone skirt; 7. a welding area caisson; 8. a floating platform; 9. a welding zone support column; 10. a welding zone skirt; 11. pouring a caisson in the area; 12. pouring area support columns; 13. pouring the cylindrical skirt of the area; 14. an anchor cable; 15. a maintenance area cable; 16. an air intake/exhaust port; 17. water inlet/drain holes; 18. an air bag; 19. a weld zone cable; 20. a mooring rope in a pouring area;
A. a cylinder wall; B. a top cover; C. an upper arcuate transition section;
i, a material area; II, welding area; III, pouring a region; IV, curing 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 the prefabricated offshore wind power barrel type foundation capable of migrating comprises a prefabricated area consisting of a material area I, a welding area II, a pouring area III and a maintenance area IV, wherein the material area I, the welding area II and the pouring area III are arranged adjacently, and the maintenance area IV is arranged on the leeward side and the leeward side of the pouring area III. Wave walls 1 are arranged on the windward side and the wave-ward side of the material area I, the welding area II and the pouring area III, as shown in figure 2, the wave walls 1 in all areas are connected with one another through retaining rings 2, and harmful effects caused by wind and wave flow are prevented. The integral structure of the material area I, the welding area II and the pouring area III can be disassembled and assembled.
And the material area I is used for storing prefabricated materials of the offshore wind power cylinder type foundation. As shown in fig. 3a and 3b, the material section i includes a wave wall 1, a material section caisson 3, a fixed platform 4, a material section support column 5, a material section skirt 6, an air bag 18, and the like. Wherein the wave wall 1 is poured by adopting artificial concrete and has the thickness of 2 m; the material area caisson 3 and the fixed platform 4 are both prefabricated plates cast by artificial concrete with the length of 100m, the width of 50m and the height of 10 m; the material area support columns 5 are solid columns poured by artificial concrete with the diameter of 2 m. The wave wall 1, the material area caisson 3, the fixed platform 4 and the material area support column 5 are fixedly connected, air inlet/exhaust holes 16 in the material area caisson 3 are opened to enable an air bag 18 in the material area caisson 3 to be deflated by means of hauling to a specified position, meanwhile, water inlet/exhaust holes 17 are opened to enable the material area caisson 3 and the air bag 18 to be filled with water, the device slowly sinks to the seabed, and a material area skirt 6 at the bottom of the caisson 3 is inserted into a seabed foundation.
And the welding area II is used for welding the cylinder wall A and the top cover B of the offshore wind power cylinder type foundation. As shown in fig. 5, the welding zone ii includes a welding zone caisson 7, a floating platform 8, a welding zone support column 9, a welding zone skirt 10, an air bag 18, and the like. The caisson 7 in the welding area is made of precast slabs poured by artificial concrete, and is 50m long, 50m wide and 10m high; the floating platform 8 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 welding zone supporting column 9 is a solid column poured by artificial concrete and has the diameter of 2 m; the welding area caisson 7 is fixedly connected with a welding area supporting column 9, and the floating platform 8 is connected with the welding area supporting column 9 through a guide rail, so that the floating platform 8 can slide up and down along the welding area supporting column 9. An air inlet/exhaust hole 16 of a welding area caisson 7 is opened to enable an air bag 18 in the welding area caisson 7 to be deflated, meanwhile, a water inlet/exhaust hole 17 is opened to enable the inner portion of the welding area caisson 7 and the outer portion of the air bag 18 to be filled with water, the device slowly sinks to the bottom of the welding area caisson 7, a welding area skirt 10 is inserted into a seabed foundation, then a buckle ring 2 on a wave wall 1 of a welding area II is connected with a buckle ring 2 of a wave wall 1 of a material area I, as shown in figure 1, the welding area II can be arranged on two sides of the material area I at the same time, construction sinking is carried out, and offshore wind power cylinder type foundation prefabrication work is carried out after the whole device is sunk and is.
And the pouring area III is used for pouring an upper arc transition section C of the offshore wind power cylindrical foundation. As shown in fig. 7, the casting area iii includes a casting area caisson 11, a casting area support pillar 12, a casting area skirt 13, a casting area cable 20, an air bag 18, and the like. Wherein, the pouring area caisson 11 adopts a precast slab poured by artificial concrete; the casting area support columns 12 are solid columns cast by artificial concrete. One end of the casting area cable 20 is tied to the top of the casting area support post 12, and the other end floats on the sea surface. The air inlet/outlet holes 16 of the caisson 11 of the pouring area are opened to deflate the air bag 18 inside the caisson 11 of the pouring area, and simultaneously, the water inlet/outlet holes 17 are opened to fill water inside the caisson 11 of the pouring area and outside the air bag 18, so that the device slowly sinks until the skirt 13 of the caisson 11 of the pouring area at the bottom of the caisson 11 of the pouring area is inserted into the seabed foundation.
And the curing area IV is used for fixing the offshore wind power cylindrical foundation after the curing and pouring are finished. As shown in fig. 8, the maintenance area iv includes anchor lines 14 for connecting and fixing an offshore wind turbine type foundation floating on the sea surface and maintenance area cables 15. The anchor cable 14 is fixed on the seabed foundation, one end of the maintenance area cable 15 is tied on the anchor cable 14, and the other end floats on the sea surface.
Adopt the utility model discloses the equipment on prefabricated marine wind power section of thick bamboo type basis of migratable carries out the prefabrication of marine wind power section of thick bamboo type basis: transporting the prefabricated material of the offshore wind power cylinder type foundation from a wharf to a material area I consisting of a fixed platform 4 and material area supporting columns 5 by a cargo ship; the floating platform 8 floats above the sea surface due to buoyancy and forms a stable welding area II with the welding area support column 9, the stable welding area II is used for welding 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 the welding is finished, the cylinder wall A is firstly stabilized by a cable 19 of a welding zone, and then an air inlet/exhaust hole 16 and a water inlet/exhaust hole 17 of the floating platform 8 are opened to enable the floating platform 8 to slowly sink along a support column 9 of the welding zone until the cylinder wall A and the top cover B completely float on the sea surface, as shown in figure 6; and dragging the cylinder wall A and the top cover B to a pouring area III by the ship, connecting an air inlet/exhaust hole 16 of the floating platform 8 by using an air pump to inflate the floating platform 8 after the cylinder wall A and the top cover B are dragged out of a welding area II, slowly raising the floating platform 8 to be above the sea surface after inflation, closing the air inlet/exhaust hole 16 and the water inlet/drain hole 17, and welding the next set of water inlet/drain hole 17.
The cylinder wall A dragged to the casting area III is fixedly connected to the casting area support column 12 by a casting area cable 20 floating on the sea surface, so as to be fixed on the sea surface, as shown in FIG. 7; then, concrete is conveyed by a ship to pour the upper arc-shaped transition section C, wherein the upper part of the upper arc-shaped transition section C is 7m, and the lower part of the upper arc-shaped transition section C is 24 m; after the pouring is completed, the offshore wind power cylindrical foundation is dragged to a maintenance area IV, and is connected with a maintenance area cable 15 floating on the sea surface for fixed maintenance, as shown in fig. 8.
After the prefabrication of the whole offshore wind power cylindrical foundation is completed, firstly, the retaining ring 2 is opened, the material area caisson 3, the welding area caisson 7 and the pouring area caisson 11 are connected and inflated through the air pump and the air inlet/exhaust holes 16 of the material area caisson 3, the welding area caisson 7 and the pouring area caisson 11, the water inlet/exhaust holes 17 are opened, the material area caisson 3, the welding area caisson 7 and the pouring area caisson 11 float slowly, the whole area is disassembled and floated in sequence, and the next group of offshore wind power cylindrical foundations is prefabricated through shipping to other areas needing the prefabrication of the offshore wind power cylindrical foundation.
In this embodiment, the whole area is 300m long and 250m wide.
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 (8)
1. An apparatus for migratably prefabricating an offshore wind turbine bucket foundation, comprising:
the material area (I) is used for storing prefabricated materials of an offshore wind power cylinder type foundation, the material area (I) comprises a material area caisson (3) and a fixed platform (4), the fixed platform (4) and the material area caisson (3) are fixedly connected through a material area supporting column (5), a material area skirt (6) is arranged at the bottom of the material area caisson (3), and the material area skirt (6) is inserted into a seabed foundation after the material area caisson (3) sinks;
the welding area (II) is used for welding a cylinder wall (A) and a top cover (B) of the offshore wind power cylinder type foundation, the welding area (II) comprises a welding area caisson (7) and a floating platform (8), a welding area supporting column (9) is arranged on the welding area caisson (7), the floating platform (8) is connected to the welding area supporting column (9) through a guide rail and can slide up and down along the welding area supporting column (9), a welding area skirt (10) is arranged at the bottom of the welding area caisson (7), and the welding area skirt (10) is inserted into the seabed foundation after the welding area caisson (7) sinks;
the casting area (III) is used for casting an upper arc transition section (C) of the offshore wind power cylindrical foundation, the casting area (III) comprises a casting area caisson (11), a casting area support pillar (12) used for hanging a cylindrical wall (A) of the offshore wind power cylindrical foundation is arranged on the casting area caisson (11), a casting area skirt (13) is arranged at the bottom of the casting area caisson (11), and the casting area skirt (13) is inserted into the seabed foundation after the casting area caisson (11) sinks; and the number of the first and second groups,
and the maintenance area (IV) is used for fixing the offshore wind power cylindrical foundation after the completion of the maintenance and pouring, and comprises an anchor cable (14) and a maintenance area cable (15) which are used for connecting and fixing the offshore wind power cylindrical foundation floating on the sea surface.
2. The equipment of a prefabricated offshore wind turbine type foundation capable of migrating according to claim 1, characterized in that said material area (i), said welding area (ii) and said casting area (iii) are arranged adjacently, wave walls (1) are provided at windward and wave-ward sides of said material area (i), said welding area (ii) and said casting area (iii), and said wave walls (1) of said material area (i), said wave walls (1) of said welding area (ii) and said wave walls (1) of said casting area (iii) are connected to each other by means of retaining rings (2).
3. Equipment for migratable prefabrication of a marine wind drum foundation according to claim 2, characterised in that said maintenance area (iv) is arranged on the lee side and on the sea side of said casting area (iii).
4. Equipment for migratable prefabrication of offshore wind turbine type foundations according to claim 1, characterized by the fact that the material area caissons (3), the welding area caissons (7) and the casting area caissons (11) are provided with air intake/exhaust holes (16) and water intake/drainage holes (17); air bags (18) are arranged inside the material area caisson (3), the welding area caisson (7) and the pouring area caisson (11), and the air bags (18) are communicated with the air inlet/outlet holes (16).
5. Equipment for migrateable prefabrication of offshore wind turbine type foundations according to claim 1, characterized in that said floating platform (8) is provided with air intake/exhaust holes (16) and water intake/drainage holes (17).
6. Equipment for migratably prefabricating a marine wind drum foundation according to claim 1, characterized in that said material area caissons (3), said welding area caissons (7), said casting area caissons (11) and said fixed platform (4) are all prefabricated panels cast of artificial concrete.
7. Equipment for migrateable prefabrication of offshore wind turbine type foundations according to claim 1, characterized in that the floating platform (8) is of a steel box structure with a hollow interior.
8. Equipment for migratably prefabricating an offshore wind turbine type foundation according to claim 1, characterised in that said material area supporting columns (5), said welding area supporting columns (9) and said casting area supporting columns (12) are all solid columns cast of artificial concrete.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922149172.6U CN211922691U (en) | 2019-12-04 | 2019-12-04 | Equipment capable of migrating and prefabricating offshore wind power barrel type foundation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922149172.6U CN211922691U (en) | 2019-12-04 | 2019-12-04 | Equipment capable of migrating and prefabricating offshore wind power barrel type foundation |
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| CN211922691U true CN211922691U (en) | 2020-11-13 |
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| CN201922149172.6U Active CN211922691U (en) | 2019-12-04 | 2019-12-04 | Equipment capable of migrating and prefabricating offshore wind power barrel type foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005400A (en) * | 2019-12-04 | 2020-04-14 | 天津大学 | Equipment and method capable of performing migration and prefabrication of offshore wind power barrel type foundation |
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- 2019-12-04 CN CN201922149172.6U patent/CN211922691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005400A (en) * | 2019-12-04 | 2020-04-14 | 天津大学 | Equipment and method capable of performing migration and prefabrication of offshore wind power barrel type foundation |
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