CN211735482U - Single-pile foundation integrated auxiliary structure for integral installation of offshore wind turbine - Google Patents
Single-pile foundation integrated auxiliary structure for integral installation of offshore wind turbine Download PDFInfo
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- CN211735482U CN211735482U CN201922501882.0U CN201922501882U CN211735482U CN 211735482 U CN211735482 U CN 211735482U CN 201922501882 U CN201922501882 U CN 201922501882U CN 211735482 U CN211735482 U CN 211735482U
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Abstract
The utility model relates to a single pile basis integrated form auxiliary structure for marine fan unit erection. The utility model aims at providing a both can realize marine fan single pile basis integrated form additional structure integral erection, do not influence the marine fan single pile basis integrated form additional structure of upper portion fan integral hoisting again. The technical scheme of the utility model is that: the utility model provides a single pile basis integrated form auxiliary structure for marine fan unit integrated into one piece, its characterized in that: the device is provided with an upper section attachment mechanism and a lower section attachment mechanism which are arranged up and down; the lower-section auxiliary mechanism is provided with a plurality of ring beams coaxially sleeved on the single-pile foundation, the ring beams are connected through a plurality of lower-section vertical parts, and the upper ends of the lower-section vertical parts are provided with lower connectors; and the lower section attachment mechanism is supported on a support bracket on the side wall of the single-pile foundation through a ring beam on the lower section attachment mechanism. The utility model is suitable for an offshore wind power generation trade.
Description
Technical Field
The utility model relates to a single pile basis integrated form auxiliary structure for offshore wind turbine integral erection is applicable to offshore wind power generation trade.
Background
The single-pile foundation is used as a foundation type which is most widely adopted in offshore wind power engineering, and has the advantages of simple structure, quick construction and high cost performance. The auxiliary components matched with the single-pile foundation comprise an outer platform, a berthing system, a cable protection pipe, a sacrificial anode, a ladder stand, a railing and the like, and are influenced by the auxiliary components, the upper fan cannot be integrally hoisted, and only a split hoisting scheme can be adopted.
Compared with an integral hoisting scheme, the split hoisting offshore construction method has the advantages that the split hoisting offshore construction process is more, the operation time is longer, and therefore the construction risk is higher. Meanwhile, the self-elevating platform ship required by split hoisting has high requirements on geological conditions in a field area, pile legs are inserted into a seabed through accurate research and analysis, and the requirements on operation technology and operation experience of ship operators are high. After the self-elevating platform ship completes hoisting of all parts of the fan, the risks of difficult pile leg pulling-out, ship inclination and the like may exist, and the risks occur in the construction of domestic offshore wind farms.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the problems, the integrated auxiliary structure of the single pile foundation of the offshore wind turbine can realize the integral installation of the integrated auxiliary structure of the single pile foundation of the offshore wind turbine and does not influence the integral hoisting of the upper wind turbine.
The utility model adopts the technical proposal that: the utility model provides a single pile basis integrated form auxiliary structure for marine fan unit integrated into one piece, its characterized in that: the device is provided with an upper section attachment mechanism and a lower section attachment mechanism which are arranged up and down;
the lower-section auxiliary mechanism is provided with a plurality of ring beams coaxially sleeved on the single-pile foundation, the ring beams are connected through a plurality of lower-section vertical parts, and the upper ends of the lower-section vertical parts are provided with lower connectors; the lower section attachment mechanism is supported on a support bracket on the side wall of the single-pile foundation through a ring beam on the lower section attachment mechanism;
the upper-section auxiliary mechanism is divided into an upper-section left auxiliary mechanism and an upper-section right auxiliary mechanism, wherein the upper-section left auxiliary mechanism is provided with a left platform, and the left platform is connected with a plurality of upper-section vertical pieces which are in one-to-one correspondence with lower-section vertical pieces below the left platform; the upper section right auxiliary mechanism is provided with a right platform which can be spliced with the left platform to form a fan outer platform, the right platform is connected with a plurality of upper section vertical pieces which correspond to lower section vertical pieces below the right platform one by one, and the lower ends of the upper section vertical pieces are provided with upper connectors;
the upper section attachment is supported on the lower section vertical part on the lower section attachment through the upper section vertical part on the upper section attachment, and the upper section vertical part is matched and connected with the lower connector at the upper end of the corresponding lower section vertical part through the upper connector at the lower end of the upper section vertical part to form the vertical attachment for connecting the ring beam and the outer platform of the fan into a whole.
The vertical accessories are ring beam supporting rods, crawling ladders and/or cable protection pipes.
The lower connector is a lower flange, the upper connector is an upper flange, and the lower flange is connected with the upper flange through bolts.
The lower-section attachment mechanism is provided with a sacrificial anode and a berthing system.
The construction method of the single-pile foundation integrated auxiliary structure for integral installation of the offshore wind turbine is characterized by comprising the following steps of:
hoisting a lower section attachment mechanism, wherein the lower section attachment mechanism is sleeved on the single-pile foundation through the ring beam and supported on a support bracket on the side wall of the single-pile foundation through the ring beam;
integrally hoisting the fan;
hoisting an upper left auxiliary mechanism, wherein the upper left auxiliary mechanism is connected with a corresponding lower vertical part on a lower auxiliary mechanism through an upper vertical part on the upper left auxiliary mechanism;
hoisting the upper right auxiliary mechanism, wherein the upper right auxiliary mechanism is connected with a corresponding lower vertical part on the lower auxiliary mechanism through an upper vertical part on the upper right auxiliary mechanism;
and splicing a left platform and a right platform in the upper section left attachment mechanism and the upper section right attachment mechanism to form an outer platform of the fan.
The utility model has the advantages that: the utility model discloses fall into down section of additional mechanism, the left additional mechanism of upper segment and the right additional mechanism of upper segment with the additional structure and install, the butt joint construction, effectively solved upper portion fan unit erection problem. The utility model discloses to rely on accessory components such as mooring system, cable protection pipe and sacrificial anode to pass through the circle roof beam and circle roof beam bracing piece integrated as an organic whole, reduce the accessory component installation degree of difficulty, reduced marine construction activity duration, reduce marine hoist and mount cost, economic benefits is obvious, is particularly useful for not having changeover portion single pile basis.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Fig. 4 is detail C of fig. 1.
Fig. 5 is a detailed view of the connection of the upper and lower flanges.
Detailed Description
The embodiment is an integrated auxiliary structure of a single-pile foundation for integrally installing an offshore wind turbine, the auxiliary structure is provided with an outer platform 3 of the wind turbine and a plurality of ring beams 7 which are coaxially sleeved on the single-pile foundation 1 and positioned below the outer platform 3 of the wind turbine, and the ring beams 7 are connected with the outer platform 3 of the wind turbine through a plurality of vertically arranged vertical auxiliary pieces (a ring beam supporting rod 4, a ladder stand 9, a cable protection pipe 5 and the like).
Vertical attached piece falls into two sections between 7 and the outer platform of fan 3 of circle of the top circle roof beam in this embodiment, falls into the upper segment vertical piece that is located the top and the lower section vertical piece that is located the below, and upper segment vertical piece lower extreme system has the connector, and lower section vertical piece upper end system has the lower connector that can realize being connected with the cooperation of last connector.
In the embodiment, the ring beam 7 and the ring beam 7 are connected into a whole through the lower section vertical part to form a lower section auxiliary mechanism. The lower section attachment mechanism is supported on the supporting bracket 2 on the side wall of the single pile foundation 1 through the ring beam 7 on the lower section attachment mechanism.
The outer platform 3 of the wind turbine is connected with the upper section vertical part into a whole to form an upper section attachment mechanism. The upper-section auxiliary mechanism is divided into an upper-section left auxiliary mechanism and an upper-section right auxiliary mechanism, wherein the upper-section left auxiliary mechanism is provided with a semicircular arc-shaped left platform, and the left platform is connected with a plurality of upper-section vertical pieces which are in one-to-one correspondence with lower-section vertical pieces below the left platform; the upper section right attachment mechanism is provided with a right platform which can be spliced with the left platform to form a semicircular arc shape of the outer platform 3 of the fan, and the right platform is connected with a plurality of upper section vertical pieces which are in one-to-one correspondence with the lower section vertical pieces below the right platform.
In this example, the lower-section attachment is provided with a sacrificial anode 8 and a berthing system 6 (comprising a ladder stand 9), and the sacrificial anode 8 and the berthing system 6 (comprising the ladder stand 9) connect the ring beam 7 with the ring beam 7.
In this example, the lower connector is a lower flange 11, the upper connector is an upper flange 10, and the lower flange 11 is connected with the upper flange 10 through a bolt 12.
The specific construction method of the embodiment is as follows:
hoisting a lower section auxiliary mechanism, wherein the lower section auxiliary mechanism is sleeved on the single-pile foundation 1 through a ring beam 7 and supported on a support bracket 2 on the side wall of the single-pile foundation 1 through the ring beam 7;
integrally hoisting the fan;
after the fan is connected with the single pile foundation 1, hoisting an upper left auxiliary mechanism, and connecting the upper left auxiliary mechanism with a corresponding lower vertical part on a lower auxiliary mechanism through an upper vertical part on the upper left auxiliary mechanism;
hoisting the upper right auxiliary mechanism, wherein the upper right auxiliary mechanism is connected with a corresponding lower vertical part on the lower auxiliary mechanism through an upper vertical part on the upper right auxiliary mechanism;
and splicing a left platform and a right platform in the left attachment mechanism and the right attachment mechanism of the upper section to form an outer fan platform 3 which surrounds the single-pile foundation 1 by one circle.
The patent technology is effectively applied to offshore wind power engineering in Jiangsu, and the precedent of carrying out integral hoisting on a fan on the basis of a single pile by offshore wind power in the world is created.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a single pile basis integrated form auxiliary structure for marine fan unit integrated into one piece, its characterized in that: the device is provided with an upper section attachment mechanism and a lower section attachment mechanism which are arranged up and down;
the lower-section auxiliary mechanism is provided with a plurality of ring beams (7) coaxially sleeved on the single-pile foundation (1), the ring beams (7) are connected through a plurality of lower-section vertical parts, and the upper ends of the lower-section vertical parts are provided with lower connectors; the lower section attachment mechanism is supported on a support bracket (2) on the side wall of the single-pile foundation (1) through a ring beam (7) on the lower section attachment mechanism;
the upper-section auxiliary mechanism is divided into an upper-section left auxiliary mechanism and an upper-section right auxiliary mechanism, wherein the upper-section left auxiliary mechanism is provided with a left platform, and the left platform is connected with a plurality of upper-section vertical pieces which are in one-to-one correspondence with lower-section vertical pieces below the left platform; the upper section right auxiliary mechanism is provided with a right platform which can be spliced with the left platform to form a fan outer platform (3), the right platform is connected with a plurality of upper section vertical pieces which correspond to lower section vertical pieces below the right platform one by one, and the lower ends of the upper section vertical pieces are provided with upper connectors;
the upper section of the auxiliary mechanism is supported on the lower section of the vertical part on the lower section of the auxiliary mechanism through the upper section of the vertical part on the upper section of the auxiliary mechanism, and the upper section of the vertical part is matched and connected with the lower connector at the upper end of the corresponding lower section of the vertical part through the upper connector at the lower end of the upper section of the vertical part to form the vertical auxiliary part which integrates the ring beam (7) and the outer platform (3) of the fan.
2. The mono-pile foundation integrated attachment structure of claim 1, wherein: the vertical accessories are a ring beam supporting rod (4), a ladder stand (9) and/or a cable protection pipe (5).
3. The mono-pile foundation integrated attachment structure of claim 1, wherein: the lower connector is a lower flange (11), the upper connector is an upper flange (10), and the lower flange (11) is connected with the upper flange (10) through a bolt (12).
4. The mono-pile foundation integrated attachment structure of claim 1, wherein: the lower-section auxiliary mechanism is provided with a sacrificial anode (8) and a berthing system (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922501882.0U CN211735482U (en) | 2019-12-31 | 2019-12-31 | Single-pile foundation integrated auxiliary structure for integral installation of offshore wind turbine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922501882.0U CN211735482U (en) | 2019-12-31 | 2019-12-31 | Single-pile foundation integrated auxiliary structure for integral installation of offshore wind turbine |
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| CN211735482U true CN211735482U (en) | 2020-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074927A (en) * | 2019-12-31 | 2020-04-28 | 中国电建集团华东勘测设计研究院有限公司 | Single-pile foundation integrated auxiliary structure for integral installation of offshore wind turbine and construction method thereof |
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2019
- 2019-12-31 CN CN201922501882.0U patent/CN211735482U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074927A (en) * | 2019-12-31 | 2020-04-28 | 中国电建集团华东勘测设计研究院有限公司 | Single-pile foundation integrated auxiliary structure for integral installation of offshore wind turbine and construction method thereof |
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