CN220487772U - Marine floating type fan foundation - Google Patents
Marine floating type fan foundation Download PDFInfo
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- CN220487772U CN220487772U CN202322178541.0U CN202322178541U CN220487772U CN 220487772 U CN220487772 U CN 220487772U CN 202322178541 U CN202322178541 U CN 202322178541U CN 220487772 U CN220487772 U CN 220487772U
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- side stand
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- floating type
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- 230000005484 gravity Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 108010066114 cabin-2 Proteins 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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- Wind Motors (AREA)
Abstract
The utility model discloses an offshore floating type fan foundation, which comprises a main upright post and a plurality of side upright posts, wherein the height of each side upright post is shorter than that of the main upright post; the side stand columns are arranged along the circumferential direction of the main stand column, and the side stand columns are connected with the main stand column through upper connecting pieces and lower connecting pieces respectively; the upper part of the side stand column is connected with the main stand column through an upper connecting piece, and the connecting point of the upper connecting piece and the main stand column is higher than the height of the side stand column; the lower part of the side stand column is connected with the main stand column through a lower connecting piece, and the connecting point of the lower connecting piece and the main stand column is lower than the height of the side stand column; the bottom of the main upright post is provided with a heave cabin, and the fan foundation floats on the sea surface by adjusting the ballasts of the main upright post, the side upright posts and the heave cabin. The offshore floating type fan foundation can remove the gravity center of the floating type fan, improve the stability of the floating body and the motion performance of the floating type fan, improve the utilization efficiency of the structure by optimizing the structural arrangement, reduce the cost of the floating type fan and increase the comprehensive income and the development value of the floating type fan.
Description
Technical Field
The utility model belongs to the technical field of floating type offshore wind power, and particularly relates to an offshore floating type fan foundation.
Background
With the continuous development of offshore wind power, offshore valuable fields are basically developed, and the offshore wind power tends to develop to deep open sea. The floating type fan foundation has low sensitivity to water depth and obvious economical efficiency compared with a fixed type foundation, and is widely considered to be a main foundation form for development of a deep sea wind power plant. The floating type offshore wind power generation at home and abroad has high development cost, and particularly in the development of a floating type offshore wind power plant, how to reduce the development cost is a key technical problem of the development of the floating type offshore wind power generation, and meanwhile, the floating type offshore wind power generation is directly related to the landing of projects.
Disclosure of Invention
The utility model aims to provide a floating type fan foundation at sea, which can improve the stability of a floating body and the motion performance of the floating type fan and reduce the cost of the floating type fan to a certain extent.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an offshore floating type fan foundation, includes the main stand, its structural feature is: the device also comprises a plurality of side stand columns, wherein the height of each side stand column is shorter than that of the main stand column; the side stand columns are arranged along the circumferential direction of the main stand column, and the side stand columns are connected with the main stand column through upper connecting pieces and lower connecting pieces respectively; the upper part of the side stand column is connected with the main stand column through an upper connecting piece, and the connecting point of the upper connecting piece and the main stand column is higher than the height of the side stand column; the lower part of the side stand column is connected with the main stand column through a lower connecting piece, and the connecting point of the lower connecting piece and the main stand column is lower than the height of the side stand column; the bottom of the main upright post is provided with a heave cabin, and the fan foundation floats on the sea surface by adjusting the ballasts of the main upright post, the side upright posts and the heave cabin.
The main upright post is a deep draft upright post, and a heave cabin arranged at the bottom of the main upright post can adopt iron ore sand or other high-density heavy objects for ballasting, so that the integral gravity center of the floating body is reduced. A plurality of side stand columns are circumferentially arranged on the main stand column, the side stand columns are shorter than the main stand column, and the side stand columns are arranged near the water plane, so that materials can be saved, and the stability of the floating body can be improved. The side stand column is only used for providing restoring force and can reduce the dip angle of the floating fan. The connecting point of the upper connecting piece and the main upright post is higher than the height of the side upright post and is positioned in an atmosphere area, wave load can be reduced, and the connecting point of the lower connecting piece and the main upright post is lower than the height of the side upright post. The offshore floating type fan foundation can reduce the gravity center of the floating type fan, improve the stability of the floating body and the motion performance of the floating type fan, improve the utilization efficiency of the structure through optimizing the structural arrangement, reduce the cost of the floating type fan to a certain extent, and increase the comprehensive income and the development value of the floating type fan.
Preferably, the upper connector and the lower connector are both truss structures. The truss structure can be reasonably arranged according to the stress.
Preferably, the upper connecting piece and the lower connecting piece are detachably and fixedly connected with the side stand column and the main stand column. The truss structure can be connected with the side stand column and the main stand column through bolts, and is convenient to detach.
Specifically, the truss structure is formed by splicing round pipes.
Preferably, the side stand columns are at least three, and the main stand column is arranged at the center of the connecting line of the plurality of side stand columns.
Preferably, the side stand columns are arranged in parallel with the main stand column.
Preferably, the side stand column is a pontoon.
In particular, the heave chamber bottom is anchored to the sea floor by a catenary mooring system.
Specifically, a fan is arranged on the main upright post.
Compared with the prior art, the utility model has the beneficial effects that: the offshore floating type fan foundation can reduce the gravity center of the floating type fan, improve the stability of the floating body and the motion performance of the floating type fan, improve the utilization efficiency of the structure through optimizing the structural arrangement, reduce the cost of the floating type fan to a certain extent, and increase the comprehensive income and the development value of the floating type fan.
Drawings
FIG. 1 is an isometric view of an offshore floating fan foundation of the present utility model;
FIG. 2 is a schematic view of the operating state structure of FIG. 1;
FIG. 3 is a top plan view of the base of FIG. 1;
FIG. 4 is a schematic view of the connection structure of the side pillar and the main pillar in FIG. 1;
fig. 5 is an enlarged schematic view of the cross-section at a in fig. 4.
In the drawings
1-a main column; 2-heave chamber; 3-side stand columns; 4-upper connectors; 5-a lower connector; 6-a fan; 7-water plane.
Detailed Description
The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.
As shown in fig. 1 and 3, the offshore floating type fan foundation of the present utility model comprises a main upright 1 and three side uprights 3, wherein the main upright 1 is arranged at the center of a connecting line of the three side uprights 3, and the side uprights 3 are pontoons. As shown in fig. 1 and 2, the main upright 1 and the side upright 3 are cylindrical uprights, the height of the side upright 3 is shorter than that of the main upright 1, the side upright 3 is arranged near the water plane 7, and the main upright 1 and the side upright 3 are arranged in parallel. The side stand column 3 is connected with the main stand column 1 through an upper connecting piece 4 and a lower connecting piece 5 respectively, a heave cabin 2 is arranged at the bottom of the main stand column 1, and a fan foundation floats on the sea through adjusting ballasts of the main stand column 1, the side stand column 3 and the heave cabin 2. The bottom of the heave cabin 2 is anchored on the sea floor through a catenary mooring system, and a fan 6 is arranged on the main upright 1. As shown in fig. 4, the upper part of the side stand column 3 is connected with the main stand column 1 through an upper connecting piece 4, and the connecting point of the upper connecting piece 4 and the main stand column 1 is higher than the height of the side stand column 3. The lower part of the side stand column 3 is connected with the main stand column 1 through a lower connecting piece 5, and the connecting point of the lower connecting piece 5 and the main stand column 1 is lower than the height of the side stand column 3. As shown in fig. 5, the upper connecting piece 4 and the lower connecting piece 5 are truss structures, the truss structures are formed by splicing round pipes, and the truss structures are connected with the side stand column 3 and the main stand column 1 through bolts.
Three side uprights 3 are circumferentially arranged on the main upright 1, so that the stability of the floating body can be improved. The main upright column 1 is a deep draft upright column, the heave cabin 2 arranged at the bottom of the main upright column 1 is a heavy ballast cabin, and iron ore sand or other heavy ballast with high-density structure is adopted to reduce the gravity center of the whole structure. The side upright posts 3 are only used for providing restoring force and reducing the dip angle of the floating fan. The truss structure is designed to match structural stress, and the truss structure is mainly subjected to shearing force at the side upright posts 3 and mainly subjected to bending moment at the main upright posts 1.
The main process of the utility model when the offshore floating fan foundation is installed is as follows: 1. the main upright posts 1 and the side upright posts 3 are all round in cross section and manufactured separately. 2. The truss connecting structure is a circular structure and is manufactured in a piece-type manner; 3. the truss structure is connected with the side upright posts 3 and the main upright posts 1 through bolts; 4. after the floating body structure is manufactured in blocks, loading the whole wharf after the whole wharf is assembled by bolts, and injecting water to sink after the wharf is transported to a site; 5. adopting a mounting ship to mount a fan in place; 6. after the fan 5 is installed, a mooring rope and a dynamic cable are installed.
The foregoing examples are set forth in order to provide a more thorough description of the present utility model, and are not intended to limit the scope of the utility model, since modifications of the present utility model, in which equivalents thereof will occur to persons skilled in the art upon reading the present utility model, are intended to fall within the scope of the utility model as defined by the appended claims.
Claims (9)
1. The utility model provides a floating fan foundation on sea, includes main stand (1), its characterized in that: the device also comprises a plurality of side stand columns (3), wherein the height of each side stand column (3) is shorter than that of the main stand column (1);
the side stand columns (3) are arranged along the circumferential direction of the main stand column (1), and the side stand columns (3) are connected with the main stand column (1) through upper connecting pieces (4) and lower connecting pieces (5) respectively;
the upper part of the side stand column (3) is connected with the main stand column (1) through an upper connecting piece (4), and the connecting point of the upper connecting piece (4) and the main stand column (1) is higher than the height of the side stand column (3);
the lower part of the side stand column (3) is connected with the main stand column (1) through a lower connecting piece (5), and the connecting point of the lower connecting piece (5) and the main stand column (1) is lower than the height of the side stand column (3);
the bottom of the main upright post (1) is provided with a heave cabin (2), and the fan foundation floats on the sea surface by adjusting the ballasts of the main upright post (1), the side upright posts (3) and the heave cabin (2).
2. The offshore floating wind turbine foundation of claim 1, wherein: the upper connecting piece (4) and the lower connecting piece (5) are both truss structures.
3. The offshore floating wind turbine foundation of claim 2, wherein: the upper connecting piece (4) and the lower connecting piece (5) are detachably and fixedly connected with the side stand column (3) and the main stand column (1).
4. The offshore floating wind turbine foundation of claim 2, wherein: the truss structure is formed by splicing round pipes.
5. The offshore floating wind turbine foundation of claim 1, wherein: the side stand columns (3) are at least three, and the main stand column (1) is arranged at the center of a connecting line of the plurality of side stand columns (3).
6. The offshore floating wind turbine foundation of claim 1, wherein: the side stand column (3) and the main stand column (1) are arranged in parallel.
7. The offshore floating wind turbine foundation of claim 1, wherein: the side stand column (3) is a pontoon.
8. The offshore floating wind turbine foundation of claim 1, wherein: the bottom of the heave chamber (2) is anchored to the sea floor by a catenary mooring system.
9. The offshore floating wind turbine foundation of claim 1, wherein: a fan (6) is arranged on the main upright post (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178541.0U CN220487772U (en) | 2023-08-14 | 2023-08-14 | Marine floating type fan foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322178541.0U CN220487772U (en) | 2023-08-14 | 2023-08-14 | Marine floating type fan foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487772U true CN220487772U (en) | 2024-02-13 |
Family
ID=89826833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322178541.0U Active CN220487772U (en) | 2023-08-14 | 2023-08-14 | Marine floating type fan foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487772U (en) |
-
2023
- 2023-08-14 CN CN202322178541.0U patent/CN220487772U/en active Active
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