CN220505243U - Bearing foundation of offshore wind driven generator - Google Patents
Bearing foundation of offshore wind driven generator Download PDFInfo
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- CN220505243U CN220505243U CN202322047209.0U CN202322047209U CN220505243U CN 220505243 U CN220505243 U CN 220505243U CN 202322047209 U CN202322047209 U CN 202322047209U CN 220505243 U CN220505243 U CN 220505243U
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- ballast tank
- bearing foundation
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- upright post
- tank
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000004568 cement Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 1
- 238000007667 floating Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The ocean wind power resources are rich, and the bearing foundation is an important part for supporting the offshore wind power generator. The utility model provides a bearing foundation of an offshore wind driven generator, and belongs to the technical field of machinery and ocean engineering. The utility model comprises a control chamber, a water inlet and outlet hole, a ballast tank, a tension cable, a stabilizing plate, a stand column, a right cable-stayed anchor chain and a left cable-stayed anchor chain, wherein the stand column is of a steel conical cylindrical structure, a water tank is arranged in the middle of the stand column, and the weight is changed by adjusting the water quantity in the water tank; the ballast tank is of a steel cylindrical structure, four partition tanks are arranged in the ballast tank, a ballast water system is arranged in the ballast tank, and a mixture of waste slag and cement is used as a counterweight; the stabilizing plate is fixedly connected to the side surface of the ballast tank, is of a variable cross section and can break waves; the submerged portion of the stabilizing plate creates a greater resistance, reducing pitch and roll of the load bearing foundation.
Description
Technical Field
The utility model relates to wind power generation equipment, in particular to a bearing foundation of an offshore wind power generator, and belongs to the technical fields of machinery and ocean engineering.
Background
The ocean has wide area and abundant wind power resources, and offshore wind power generation becomes an important component of renewable energy sources. The development direction of offshore wind turbine equipment with larger single-machine capacity and higher power generation efficiency. The bearing foundation is an important part for supporting the wind driven generator and is mainly divided into a fixed foundation and a floating foundation. The fixed foundation is limited by the water depth, and is mainly suitable for water areas with offshore water depths of less than 50 meters. The use of floating foundations is required in deep sea water. The existing floating type wind driven generator has the problems of huge size of a bearing foundation, complex structure, difficult construction, high cost, large shaking amplitude when high wind waves act, and the like. In order to solve the problems, the utility model provides a bearing foundation of an offshore wind turbine.
Disclosure of Invention
1. The utility model aims to:
the utility model aims to solve the problems in the background technology, and provides a bearing foundation of an offshore wind turbine, which has a simple structure, is easy to manufacture and install, can be used as a supporting structure of the offshore wind turbine, and improves stability.
2. The technical scheme is as follows:
the utility model relates to a bearing foundation of an offshore wind turbine, which comprises the following parts: the device comprises a control chamber, water inlet and outlet holes, a ballast tank, a tension cable, a stabilizing plate, a stand column, a right cable-stayed anchor chain and a left cable-stayed anchor chain; the control room is positioned in the middle of the wind driven generator and the upright post, and the wind driven generator is connected with the control room at the upper part of the foundation through a flange to jointly form a main body structure of the offshore wind turbine; the control room is fixedly connected with the upright post and is subjected to sealing and waterproof treatment; the water inlet and outlet holes are arranged at the lower part of the upright post, and the draught depth of the fan bearing foundation is adjusted by controlling the water inlet and water outlet through the control chamber; a water tank and a water inlet and drainage device are arranged in the upright post; the ballast tank is positioned at the lower part of the upright post; the four stabilizing plates are circumferentially distributed on the side surface of the ballast tank, and the included angle is 90 degrees; one end of the tension rope is connected with the ballast tank, and the other end of the tension rope is connected with a fixing device on the sea bottom; the right cable-stayed anchor chain and the left cable-stayed anchor chain are distributed on two sides of the upright post;
the upright post is of a steel conical cylindrical structure, the wall thickness is 30-50 mm, the taper is 2-10 degrees, the inner wall surface is provided with a rib reinforcing structure, the middle part of the upright post is provided with a water tank, and the weight of the bearing foundation is changed by adjusting the water quantity in the water tank;
the ballast tank is of a steel cylindrical structure, four partition tanks are arranged in the ballast tank, a ballast water system is arranged in the ballast tank, and a mixture of waste slag and cement is used as a counterweight;
the stabilizing plates are welded or bolted to the side surfaces of the ballast tank, the stabilizing plates are of variable cross sections, the width of the cross sections is reduced along with the distance away from the ballast tank, the stabilizing plates are used for breaking waves, the impact of sea waves on the ballast tank and the upright posts is reduced, and further shaking of a bearing foundation is reduced;
when the bearing foundation of the offshore wind driven generator is installed and used, firstly, the wind driven generator is hoisted to a stand column for installation after the draft reaches a preset value by placing the wind driven generator foundation in water, and after the wind driven generator is started, the wind driven generator can swing under the action of wind, wave and current, and the whole heave motion of the wind driven generator is reduced by the tension cable, the right cable-stayed anchor chain and the left cable-stayed anchor chain; when the fan is subjected to pitching and rolling, the part of the stabilizing plate immersed in water generates larger resistance, and the shaking energy generated by the action of sea waves is consumed, so that the stability of a bearing foundation is ensured; when extremely high wind and sea conditions occur, the draft of the bearing foundation is increased and the overall stability is improved by adjusting the water quantity of the water tank and the ballast tank in the upright post.
3. The utility model provides a bearing foundation of an offshore wind driven generator, which has the following progress and advantages compared with the prior art:
(1) Stable structure, convenient installation and disassembly, convenient transportation and application in deep open sea.
(2) The draft is adjustable, convenient to adjust, firm in structure and long in service life.
(3) The stabilizer plate bears the weight of the basis more stable, improves the security of system.
Drawings
FIG. 1 is a three-dimensional isometric view of the present utility model;
FIG. 2 is a front view of the present utility model;
the symbols in fig. 1 and 2 are as follows:
the device comprises a 1-wind driven generator, a 2-control room, a 3-water inlet, a 4-ballast tank, 5-tension ropes, a 6-stabilizing plate, 7-upright posts, 8-right cable-stayed anchor chains and 9-left cable-stayed anchor chains.
Detailed Description
Embodiments of the utility model are described in further detail below with reference to the attached drawing figures:
as shown in the attached drawings, the bearing foundation of the offshore wind turbine comprises the following parts: the device comprises a control chamber 2, water inlet and outlet holes 3, a ballast tank 4, tension ropes 5, a stabilizing plate 6, a stand column 7, a right cable-stayed anchor chain 8 and a left cable-stayed anchor chain 9; the control room 2 is positioned in the middle of the wind driven generator 1 and the upright post 7, and the wind driven generator 1 and the control room 2 at the upper part of the foundation are connected through flanges to form a main body structure of the offshore wind turbine together; the control room 2 is fixedly connected with the upright posts 7, and the control room 2 is sealed and waterproof; the water inlet and outlet holes 3 are arranged at the lower part of the upright post 7, and the draught depth of the fan bearing foundation is adjusted by controlling the water inlet and water outlet through the control room 2; a water tank and a water inlet and drainage device are arranged in the upright post 7; the ballast tank 4 is positioned at the lower part of the upright post 7; four stabilizing plates 6 are circumferentially distributed on the side surface of the ballast tank 4, and the included angle is 90 degrees; one end of the tension rope 5 is connected with the ballast tank 4, and the other end is connected with a fixing device on the sea bottom; the right cable-stayed anchor chain 8 and the left cable-stayed anchor chain 9 are distributed on two sides of the upright post 7;
the upright post 7 is of a steel conical cylindrical structure, the wall thickness is 30-50 mm, the taper is 2-10 degrees, the inner wall surface is provided with a rib reinforcing structure, the middle part of the upright post 7 is provided with a water tank, and the weight of the bearing foundation is changed by adjusting the water quantity in the water tank;
the ballast tank 4 is of a steel cylindrical structure, four partition tanks are arranged in the ballast tank, a ballast water system is arranged in the ballast tank, and a mixture of waste slag and cement is used as a counterweight;
the stabilizing plate 6 is welded or bolted to the side surface of the ballast tank 4, the stabilizing plate 6 is of a variable cross section, the width of the cross section becomes smaller along with the distance away from the ballast tank 4, the stabilizing plate is used for breaking waves, the impact of sea waves on the ballast tank and the upright post is reduced, and further the shaking of a bearing foundation is reduced;
when the bearing foundation of the offshore wind driven generator is installed and used, firstly, the foundation of the wind driven generator is placed in water to adjust the water quantity in the ballast tank 4, the wind driven generator 1 is hoisted to the upright post 7 for installation after the draft reaches a preset value, and after the wind driven generator is started, the wind driven generator swings under the action of wind, waves and currents, and the tension ropes 5, the right cable-stayed anchor chains 8 and the left cable-stayed anchor chains 9 reduce the integral heave motion of the wind driven generator; when the fan is subjected to pitching and rolling, the part of the stabilizing plate 6 immersed in water generates larger resistance, and the shaking energy generated by the action of sea waves is consumed, so that the stability of a bearing foundation is ensured; when extremely high wind and sea conditions occur, the draft of the bearing foundation is increased and the overall stability is improved by adjusting the water volumes of the water tanks and the ballast tanks 4 in the upright posts 7.
The utility model has been described in terms of specific embodiments envisaged, but is not limited to the examples described above, all the solutions obtained by adopting similar structures and material substitution methods, which are in line with the idea of the utility model, are within the scope of protection of the utility model.
Claims (4)
1. The bearing foundation of the offshore wind driven generator is characterized by comprising a control room, water inlet and outlet holes, a ballast tank, tension ropes, a stabilizing plate, an upright post, a right cable-stayed anchor chain and a left cable-stayed anchor chain; the control room is positioned in the middle of the wind driven generator and the upright post, and the wind driven generator is connected with the control room at the upper part of the foundation through a flange to jointly form a main body structure of the offshore wind turbine; the control room is fixedly connected with the upright post and is subjected to sealing and waterproof treatment; the water inlet and outlet holes are arranged at the lower part of the upright post, and the draught depth of the fan bearing foundation is adjusted by controlling the water inlet and water outlet through the control chamber; a water tank and a water inlet and drainage device are arranged in the upright post; the ballast tank is positioned at the lower part of the upright post; the four stabilizing plates are circumferentially distributed on the side surface of the ballast tank, and the included angle is 90 degrees; one end of the tension rope is connected with the ballast tank, and the other end of the tension rope is connected with a fixing device on the sea bottom; the right cable-stayed anchor chain and the left cable-stayed anchor chain are distributed on two sides of the upright post;
the stand is steel cone tubular structure, and the wall thickness is 30mm-50mm, and the tapering is 2 degrees-10 degrees, and the internal wall face is equipped with rib additional strengthening, and the middle part of stand is equipped with the water tank, changes the weight of bearing foundation through the water yield that adjusts in the water tank.
2. The load bearing foundation of an offshore wind turbine of claim 1, wherein: the ballast tank is of a steel cylindrical structure, four partition tanks are arranged in the ballast tank, a ballast water system is arranged in the ballast tank, and a mixture of waste slag and cement is used as a counterweight.
3. The load bearing foundation of an offshore wind turbine of claim 1, wherein: the stabilizer plate is welded or bolted to the side of the ballast tank, the stabilizer plate is of a variable cross section, the width of the cross section is reduced along with the distance away from the ballast tank, the stabilizer plate is used for breaking waves, the impact of sea waves on the ballast tank and the upright post is reduced, and further shaking of a bearing foundation is reduced.
4. The load bearing foundation of an offshore wind turbine of claim 1, wherein: the tension cable, the right cable-stayed anchor chain and the left cable-stayed anchor chain reduce the whole heave motion of the fan; when the fan is in pitching and rolling, the part of the stabilizing plate immersed in water generates larger resistance, and the shaking energy generated by the action of sea waves is consumed, so that the stability of the bearing foundation is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047209.0U CN220505243U (en) | 2023-08-01 | 2023-08-01 | Bearing foundation of offshore wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047209.0U CN220505243U (en) | 2023-08-01 | 2023-08-01 | Bearing foundation of offshore wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505243U true CN220505243U (en) | 2024-02-20 |
Family
ID=89867527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047209.0U Active CN220505243U (en) | 2023-08-01 | 2023-08-01 | Bearing foundation of offshore wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505243U (en) |
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2023
- 2023-08-01 CN CN202322047209.0U patent/CN220505243U/en active Active
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