CN113651238B - Guiding positioning and buffering device for integral hoisting of offshore wind turbine generator - Google Patents
Guiding positioning and buffering device for integral hoisting of offshore wind turbine generator Download PDFInfo
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- CN113651238B CN113651238B CN202110798983.8A CN202110798983A CN113651238B CN 113651238 B CN113651238 B CN 113651238B CN 202110798983 A CN202110798983 A CN 202110798983A CN 113651238 B CN113651238 B CN 113651238B
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- thick bamboo
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims 12
- 241001330002 Bambuseae Species 0.000 claims 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 12
- 239000011425 bamboo Substances 0.000 claims 12
- 238000003466 welding Methods 0.000 claims 2
- 239000013535 sea water Substances 0.000 description 9
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, which comprises guide posts, a liquid level sensor, a controller, a one-way valve, a water pump, guide cylinders and stop valves, wherein the guide posts are used for hoisting a fan tower in a tower foundation, a plurality of guide posts are fixed on the circumference of the lower end of a tower bracket, a plurality of corresponding guide cylinders are fixed on a tower foundation platform, the guide cylinders are communicated with the sea through pipelines, the water pump, the one-way valve and the stop valves, the liquid level sensor, the water pump, the one-way valve and the stop valves are respectively connected with the controller near the upper end of the guide cylinders, the fan tower is hoisted to the tower foundation, and the guide posts are inserted into the guide cylinders for positioning, and are connected with a tower flange through bolts and nuts.
Description
Technical Field
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, and belongs to the field of hoisting facilities of heavy machinery.
Background
The offshore wind power is gradually developed to the deep sea, and the offshore wind turbine generator set is affected by the offshore wind waves in the installation process, so that the positioning between the wind turbine generator set body and the tower foundation is not facilitated, and the installation difficulty of the tower of the wind turbine generator set is increased.
The traditional buffering mainly adopts an oil cylinder as active or passive buffering, the adopted hydraulic and electric control system is complex, the control difficulty is high, and the manufacturing cost is high.
In the whole hoisting process of the traditional wind turbine, after the wind turbine tower is buffered, after the wind turbine tower is landed on the wind turbine tower foundation, bolts are required to be installed on the wind turbine tower flange and the tower foundation flange, the relative displacement of the two flanges is reduced, at the moment, the wind turbine still bears wind load and horizontal force transferred to the wind turbine due to swinging of lifting equipment caused by waves, a lifting hook is still required to keep a certain lifting force, the wind turbine is prevented from tipping, the wind turbine tower can be separated from the wind turbine tower foundation due to the influence of wave heave, the relative displacement is generated, difficulty is increased for installing flange bolts, and the installed bolts are broken even after part of bolts are installed. To avoid the above problems, the lifting device needs to add a wave compensator to reduce the influence of waves, and also increases the construction cost.
Disclosure of Invention
The application aims to solve the technical problem of high cost of the traditional hydraulic buffer equipment, and provides a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine. According to the characteristics of the offshore hoisting operation, the guide positioning and buffering device for the integral hoisting of the offshore wind turbine is designed, so that the guide positioning function can be realized, and the buffering effect can be realized.
In order to achieve the aim of the application, the application adopts the following technical scheme:
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, which comprises a guiding column, a liquid level sensor, a controller, a one-way valve, a water pump, a guiding cylinder and a stop valve, wherein the guiding column is used for hoisting a fan tower in a tower foundation, a fan tower flange is welded at the bottom end of the fan tower, a tower bracket is fixed on the outer circumference of the fan tower, a plurality of lifting appliances are arranged on the outer circumference of the tower bracket, the fan tower is hoisted on the tower foundation through the plurality of lifting appliances, a bracket is fixed on the tower foundation, a tower foundation platform is fixed on the bracket, and a tower foundation flange is welded at the upper end of the tower foundation, wherein: a plurality of guide posts are fixed on the circumference of the lower end of a tower bracket, a plurality of corresponding guide posts are fixed on a tower foundation platform, the guide posts are communicated with the sea through a pipeline, a water pump, a one-way valve and a stop valve, a liquid level sensor is arranged at the upper end of the guide post, which is close to the guide post, the liquid level sensor, the water pump, the one-way valve and the stop valve are respectively connected with a controller, and the fan tower is hoisted to the tower foundation in the process that the plurality of guide posts are inserted into the corresponding plurality of guide posts to be positioned, and a fan tower flange is connected with the tower flange through bolts and nuts.
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, wherein: the water inlet end of the water pump is communicated with the ocean through a one-way valve, and the water outlet end of the water pump is connected with the water inlet end of the guide column through a pipeline; the water outlet end of the guide column is communicated with the ocean through a stop valve.
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, wherein: the guide post is cylindrical, the lower end of the guide post is provided with a conical section, and the upper end of the guide post is welded on the tower bracket.
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, wherein: the guide cylinder is a cylinder, and the upper end of the guide cylinder is a bell mouth.
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, wherein: the number of the guide posts and the guide cylinders is 4-16.
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, wherein: the tower brackets consist of 2-4 tower brackets which are fixed to each other on the circumference of the fan tower, and the lower end of each tower bracket is fixed to the fan tower flange by bolts and nuts.
The invention relates to a guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, wherein: the tower foundation platform consists of 2-4 tower foundation platforms, which are fixed to each other on the circumference of the tower foundation.
The guiding, positioning and buffering device for the integral hoisting of the offshore wind turbine realizes the buffering effect by using the seawater cheap resources, and reduces the wind power installation cost. After the fan tower barrel flange is contacted with the tower foundation flange, the participation of a tower crane is reduced, the risk brought by wave action is reduced, and in the fastening of the wind turbine tower barrel and the wind turbine tower barrel foundation bolts, the influence of waves on the wind turbine is reduced.
Drawings
FIG. 1 is a schematic forward view of a wind turbine tower and tower foundation incorporating the guiding, positioning and buffering device of the present invention for integral hoisting of offshore wind turbines;
FIG. 2 is an enlarged forward schematic diagram of the guiding, positioning and buffering device for integral hoisting of the offshore wind turbine.
In fig. 1 to 2, reference numeral 1 denotes a guide post; reference numeral 2 is a liquid level sensor; reference numeral 3 is a controller; reference numeral 4 is a one-way valve; reference numeral 5 is a water pump; reference numeral 6 is a guide cylinder; reference numeral 7 is a horn mouth; reference numeral 8 is a conical section; reference numeral 9 is a stop valve; reference numeral 10 is a fan tower; reference numeral 11 is a tower bracket; reference numeral 12 is a fan tower flange; reference numeral 13 is a tower foundation platform; reference numeral 14 is a bracket; reference numeral 15 is a tower foundation flange; reference numeral 16 is a tower foundation; reference numeral 17 denotes a sling.
Detailed Description
As shown in fig. 1, a fan tower flange 12 is welded to the bottom end of a fan tower 10, tower brackets 11 are fixed to the outer circumference of the fan tower 10, the tower brackets 11 are composed of 2-4 tower brackets 11, which are fixed to each other on the circumference of the fan tower 10, and the lower end of each tower bracket 11 is fixed to the fan tower flange 12 by bolts and nuts. A plurality of hangers 17 are arranged on the outer circumference of the tower bracket 11, and the tower crane is used for hoisting the fan tower 10 on the tower foundation 16 through the hangers 17.
As shown in fig. 1, brackets 14 are fixed on a tower foundation 16, tower foundation platforms 13 are fixed on the brackets 14, and on the outer circumference of the tower foundation 16, the tower foundation platforms 13 are composed of 2-4 tower foundation platforms 13, which are fixed with each other on the circumference of the tower foundation 16, and tower foundation flanges 15 are welded on the upper ends of the tower foundation 16.
As shown in figures 1 and 2, the guiding, positioning and buffering device for the integral hoisting of the offshore wind turbine generator comprises a guiding column 1, a liquid level sensor 2, a controller 3, a one-way valve 4, a water pump 5, a guiding cylinder 6 and a stop valve 9, and is used for hoisting a fan tower 10 in a tower foundation 16. A plurality of guide posts 1 are fixed on the circumference of the lower end of the tower bracket 11, the guide posts 1 are cylindrical, the lower end of each guide post is provided with a conical section 8, and the upper end of each guide post is welded on the tower bracket 11. A plurality of corresponding guide cylinders 6 are fixed on the tower foundation platform 13, the guide cylinders 6 are cylindrical cylinders, and the upper ends of the guide cylinders are horn mouths 7. The number of the guide posts 1 and the guide cylinders 6 is 4-16. The water inlet end of the water pump 5 is communicated with the sea through a one-way valve 4, and the water outlet end of the water pump 5 is connected with the water inlet end of the guide column 1 through a pipeline; the water outlet end of the guide column 1 is communicated with the sea through a stop valve 9, a liquid level sensor 2 is arranged near the upper end of the guide cylinder 6, the liquid level sensor 2, a water pump 5, a one-way valve 4 and the stop valve 9 are respectively connected with the controller 3, a plurality of guide columns 1 are inserted into a corresponding plurality of guide cylinders 6 for positioning in the process of hoisting a fan tower cylinder 10 to a tower cylinder foundation 16, and a fan tower cylinder flange 12 and a tower cylinder flange 15 are connected together through bolts and nuts.
When the stop valve 9 is closed, the bottom of the guide cylinder 6 is airtight, and the guide cylinder has a water storage function. The presence of the gap between the guide post 1 and the guide cylinder 6 can create a damping effect.
After the controller 3 is started, the liquid level in the guide cylinder 6 can be detected through the liquid level sensor 2, and the start and stop of the water pump 5 are controlled.
The working principle is as follows:
Before hoisting, the controller 3 is started, the controller 3 detects a liquid level signal of the guide cylinder 6 through the liquid level sensor 2, the water pump 5 and the one-way valve 4 are started, the water pump 5 pumps seawater to fill the guide cylinder 6, and the water pump 5 stops after the liquid level sensor 2 sends a seawater filling signal.
During hoisting, the tower bracket 11 and the guide post 1 fall along with the lifting hook, the conical section 8 of the guide post 1 contacts with the horn mouth 7 of the guide barrel 6, and the guide function is realized by means of two inclined planes. When the guide column 1 continues to fall, the lifting hook quickly falls when the guide column 1 cylinder Duan Gang is inserted into the cylindrical part of the guide cylinder 6, the guide column 1 quickly extrudes seawater in the guide cylinder 6, the seawater generates reaction force on the guide column 1 to slow down the falling speed of the wind turbine generator, the seawater in the guide cylinder 6 is discharged from the gap between the guide column 1 and the guide cylinder 6 under the extrusion action, the cylindrical part of the guide column 1 is inserted into the cylindrical part of the guide cylinder 6 to be increased, the gap formed between the cylindrical part of the guide column 1 and the cylindrical part of the guide cylinder 6 is prolonged, the damping effect is enhanced, the reaction force of the seawater on the guide column 1 is increased, the falling speed of the wind turbine generator is continuously reduced until the wind turbine generator is contacted with the tower flange 15, the guide column 1 and the guide cylinder 6 form a damper in the process, and the impact generated when the wind turbine generator tower flange 12 is contacted with the tower flange 15 is reduced.
After the guide post 1 and the guide cylinder 6 form a damper, the damping coefficient is about large along with the increase of the matching depth of the guide post 1 and the guide cylinder 6. The damper realizes a passive buffering function, and finally ensures that the wind turbine generator stably falls on the tower foundation 16 at an acceleration of less than 0.25g (g is gravity acceleration).
In the falling process, the initial lifting hook is the same as the falling speed of the wind turbine generator, along with the enhancement of the damping buffer effect, the falling speed of the wind turbine generator is smaller than the falling speed of the lifting hook, after the fan tower barrel flange 12 is contacted with the tower base flange 15, the rigging on the connecting tower barrel support 11 is in a loose state, the wind turbine generator is ensured not to be affected by waves, at the moment, the guide post is completely inserted into the guide barrel, and the positioning of the wind turbine generator is completed.
The guide posts 1 and the guide cylinders 6 can offset horizontal forces such as wind load borne by the wind turbine, and the arrangement of the plurality of groups of guide posts 1 and the guide cylinders 6 can offset tipping moment generated by the horizontal forces such as wind load borne by the wind turbine. When the bolts are fastened on the tower barrel flange 12 and the tower foundation flange 15 of the fan, the risks of detachment of the flange surface and breakage of the bolts are reduced.
In the rapid falling process of the lifting hook, if the lifting hook is not completed in a wave cycle, the wave causes the tower crane to drive the guide column 1 to rise, and the guide column 1 and the guide cylinder 6 form negative pressure to provide resistance for rising movement. The guide column 1 ascends to the guide cylinder 6 and descends under the sea water, and the controller 3 starts the water pump 5 to fill the guide cylinder 6 with sea water again, so that the buffering effect is ensured.
When the controller 3 is not arranged, the water pump 5 is always started in the hoisting process, so that the functions can be met.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and those skilled in the art may make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the design of the present invention, and all the modifications and improvements fall within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a guide positioning and buffer device for integral hoisting of offshore wind turbine generator system, it includes guide post (1), liquid level sensor (2), controller (3), check valve (4), water pump (5), guide cylinder (6) and stop valve (9), it is used for hoisting fan tower section of thick bamboo (10) in tower section of thick bamboo basis (16), bottom welding at fan tower section of thick bamboo (10) has fan tower section of thick bamboo flange (12), tower section of thick bamboo bracket (11) are fixed on the outer circumference of fan tower section of thick bamboo (10), be equipped with a plurality of hoist (17) on the outer circumference of tower section of thick bamboo bracket (11), the tower crane is through above-mentioned a plurality of hoist (17), hoist with fan tower section of thick bamboo (10) on tower section of thick bamboo basis (16), be fixed with bracket (14) on tower section of thick bamboo basis platform (13) fixed bracket (14), and on tower section of thick bamboo basis (16) outer circumference, tower section of thick bamboo basis (16) upper end welding has tower base flange (15), its characterized in that: a plurality of guide posts (1) are fixed on the circumference of the lower end of a tower barrel bracket (11), a plurality of corresponding guide barrels (6) are fixed on a tower barrel foundation platform (13), the guide barrels (6) are communicated with the sea through a pipeline, a water pump (5), a one-way valve (4) and a stop valve (9), a liquid level sensor (2) is arranged at the upper end of the guide barrel (6), the liquid level sensor (2), the water pump (5), the one-way valve (4) and the stop valve (9) are respectively connected with a controller (3), and in the process of hoisting a tower barrel foundation (16) by a fan tower barrel (10), the plurality of guide posts (1) are inserted into the corresponding guide barrels (6) to be positioned, and a fan tower barrel flange (12) is connected with a tower barrel flange (15) through bolts and nuts.
2. The guiding, positioning and buffering device for integral hoisting of an offshore wind turbine set as claimed in claim 1, wherein: the water inlet end of the water pump (5) is communicated with the sea through a one-way valve (4), and the water outlet end of the water pump (5) is connected with the water inlet end of the guide column (1) through a pipeline; the water outlet end of the guide column (1) is communicated with the ocean through a stop valve (9).
3. The guiding, positioning and buffering device for integral hoisting of an offshore wind turbine set as claimed in claim 2, wherein: the guide column (1) is cylindrical, the lower end of the guide column is provided with a conical section (8), and the upper end of the guide column is welded on the tower bracket (11).
4. The guiding, positioning and buffering device for integral hoisting of an offshore wind turbine set according to claim 3, wherein: the guide cylinder (6) is a cylindrical cylinder, and the upper end of the guide cylinder is a bell mouth (7).
5. The guiding, positioning and buffering device for integral hoisting of an offshore wind turbine set according to claim 4, wherein: the number of the guide posts (1) and the guide cylinders (6) is 4-16.
6. The guiding, positioning and buffering device for integral hoisting of an offshore wind turbine set according to claim 5, wherein: the tower bracket (11) consists of 2-4 tower brackets (11) which are fixed with each other on the circumference of the fan tower (10), and the lower end of each tower bracket (11) is fixed on the fan tower flange (12) through bolts and nuts.
7. The guiding, positioning and buffering device for integral hoisting of an offshore wind turbine, as set forth in claim 6, wherein: the tower foundation platform (13) consists of 2-4 tower foundation platforms (13) which are fixed to each other on the circumference of the tower foundation (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798983.8A CN113651238B (en) | 2021-07-15 | 2021-07-15 | Guiding positioning and buffering device for integral hoisting of offshore wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110798983.8A CN113651238B (en) | 2021-07-15 | 2021-07-15 | Guiding positioning and buffering device for integral hoisting of offshore wind turbine generator |
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| Publication Number | Publication Date |
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| CN113651238A CN113651238A (en) | 2021-11-16 |
| CN113651238B true CN113651238B (en) | 2024-06-07 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7465509B2 (en) | 2022-01-27 | 2024-04-11 | 国立大学法人 東京大学 | Foundation structure for offshore wind power generation facilities |
| CN116066303B (en) * | 2023-03-07 | 2023-06-09 | 山西省安装集团股份有限公司 | Wind turbine generator system base hoisting structure and device |
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