CN111765049A - Structure for replacing wind driven generator of reservoir or lake and using method thereof - Google Patents
Structure for replacing wind driven generator of reservoir or lake and using method thereof Download PDFInfo
- Publication number
- CN111765049A CN111765049A CN202010661048.2A CN202010661048A CN111765049A CN 111765049 A CN111765049 A CN 111765049A CN 202010661048 A CN202010661048 A CN 202010661048A CN 111765049 A CN111765049 A CN 111765049A
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- floating body
- body ship
- floating
- ship
- crane
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007667 floating Methods 0.000 claims abstract description 86
- 239000000725 suspension Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000003466 welding Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 5
- 230000007306 turnover Effects 0.000 abstract description 2
- 241000883990 Flabellum Species 0.000 abstract 2
- 238000005188 flotation Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/52—Floating cranes
-
- 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
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
A structure for wind power generator replacement of a reservoir or lake and a use method thereof, comprising: the floating body ship comprises a floating body ship, a bottom beam paved on the floating body ship, a support column installed on the bottom beam and a fan blade suspension device installed on the support column, wherein the floating body ship is of a square structure formed by splicing a plurality of floating boxes; and just lie in the one side of wanting to change the generator, the support column that lies in on the floorbar sets up linkage, and the crane is used for placing the flabellum temporarily after demolising the flabellum, and the damaged generator is demolishd to reuse the crane, and the new generator of hoist and mount realizes changing. The invention has convenient generator replacement, can replace easily damaged accessories of the fan in places with limited water shallow buoyancy such as reservoirs or lakes, and the like, saves a second crane for assisting the first crane to turn over the fan blades in the air, and also saves other floating bodies (occupying a large amount of space) for placing the horizontal fan blades, simplifies the construction process, improves the safety and reduces the cost.
Description
Technical Field
The invention relates to a generator replacing structure, in particular to a structure for replacing a wind driven generator in a reservoir or a lake and a using method thereof.
Background
At present, with the rapid development of wind power technology, wind power has become a focus of renewable energy development. For the fans which are installed at the reservoir or the lake bank, some fans are already submerged along with the change of environmental conditions, and the need of replacing components such as a generator and the like is also needed. However, compared with land wind power, the conventional technology and equipment for replacing the land fan component of the reservoir or lake cannot be used in the reservoir or lake due to the fact that the reservoir or lake is shallow in water, limited in buoyancy and capable of operating on the water surface.
Disclosure of Invention
The main purpose of the present invention is to overcome the above disadvantages of the prior art, and to provide a structure for replacing a blower 9 generator in a reservoir or lake, which can replace the blower 9 generator in a place with limited water buoyancy, such as a reservoir or lake, etc., thereby not only omitting a second crane for assisting a first crane in turning over blades in the air, but also omitting other floating bodies (occupying a large amount of space) for placing horizontal blades, simplifying the construction process, improving the safety, and reducing the cost.
The purpose of the invention is realized by the following technical scheme:
a structure for replacing a wind driven generator of a reservoir or a lake comprises a floating body ship 1, a plurality of bottom beams 2 which are paved on the floating body ship 1 in a welding mode, supporting columns 3 which are installed on the bottom beams 2 in a welding mode and a suspension device 6.
The floating body ship 1 is a square floating body ship structure formed by assembling a plurality of floating boxes 4 and reinforcing floating boxes 5 in a bolt connection mode, the upper surfaces of the floating boxes 4 and the reinforcing floating boxes 5 are guaranteed to be flat and serve as decks, and the reinforcing floating boxes 5 are arranged at the positions of an installation support column 3 and a crane 7 and used for resisting concentrated loads (the reinforcing floating boxes 5 are arranged at the installation positions of the support column 3 and the crane 7). Be provided with the manhole cover that personnel and equipment of being convenient for came in and go out on the flotation tank 4, the specification of each flotation tank 4 is unified, and the edge of flotation tank 4 is equipped with the several mounting hole, connects into an organic whole through high strength bolt between the several flotation tank 4 to utilize the bottom beam 2 to strengthen the connection between the flotation tank 4. Pumps and pipelines are arranged inside the buoyancy tanks 4 and the reinforced buoyancy tanks 5 and used for water absorption and drainage, and the weight of ballast water in each buoyancy tank 4 and each reinforced buoyancy tank 5 can be independently adjusted. The buoyancy tanks 4 and the reinforcing buoyancy tanks 5 can accommodate not only tens of tons of water but also provide buoyancy and adjust the displacement of the floating vessel 1 by load adjustment.
The bottom beam 2 is formed by splicing a plurality of H-shaped steel and penetrates through the surface of the whole floating body ship 1. The bottom beam 2 is used for bearing the weight of the support columns 3, the suspension devices 6 and the fan blades 8 which are subsequently dismantled and the self weight and the hanging weight during crane operation, and the weight is uniformly dispersed on each buoyancy tank 4 and each reinforced buoyancy tank 5 of the floating body ship 1, so that the concentrated load on a deck can be effectively avoided; at the same time, the connection between the buoyancy tank 4 and the reinforcing buoyancy tank 5 can also be made more secure.
The bottom of the support column 3 is connected with the bottom beam 2 in a welding mode, and reinforcing ribs are arranged at the connection position; the top of the supporting column is provided with a suspension device 6, and the suspension device 6 is used for temporarily placing the detached wind power fan blades 8. After the support column 3 and the bottom beam 2 are welded, the two are formed into a whole, the floating body ship 1 carries a large amount of water, the weight of the floating body ship 1 and the weight of the ballast water are far greater than the dynamic load and the static load of hoisting, so that the gravity center of the integral structure is positioned below a stable center, and the hoisting and replacement of the generator during the structure mooring and the safety and stability during the sailing in the reservoir are ensured.
Furthermore, the number of the buoyancy tanks 4 can be adjusted according to the weight of the fan 9, so that the adaptability is strong. The 4 buoyancy tanks for connecting the supporting columns are internally provided with structural reinforcing rib plates, so that concentrated load can be effectively resisted.
The use method of the structure for replacing the wind driven generator of the reservoir or the lake comprises the following steps:
the first step is as follows: a bottom beam 2, a support column 3 and a suspension device 6 are prefabricated at a wharf, and a buoyancy tank 4 and a reinforced buoyancy tank 5 are assembled into a floating body ship 1;
the second step is that: installing a bottom beam 2, a support column 3 and a suspension device 6 on a floating body ship 1, and floating the floating body ship 1 in advance on a wharf by a crane 7;
the third step: dragging the floating body ship 1 to a fan 9 by a power ship, anchoring and taking place, injecting water pressure load into the floating body ship 1, and improving the stability of the floating body ship 1; the fan 9 is located one side of pontoon ship 1, and support column 3 arranges the one side that closes on fan 9 on pontoon ship 1, guarantees to have enough space to let crane 7 carry out the hoist and mount operation. In the course of traveling from the dock to the work site, the amount of water to be discharged can be reduced by appropriately discharging the water, thereby reducing the traveling resistance.
The fourth step: after the fan blade 8 of the fan 9 is detached through the crane 7, the fan blade 8 is temporarily placed on the suspension device 6, then the damaged generator is detached through the crane, a new generator is hoisted, and then the fan blade 8 at the suspension device 6 is hoisted to the original position to realize the replacement of the generator; in the generator replacing process, the buoyancy tank 4 and the reinforcing buoyancy tank 5 improve the overall stability by adjusting the ballast.
The fifth step: and (4) taking off the anchor, draining and load-adjusting the floating body ship 1, and moving the floating body ship 1 to a wharf by dragging the floating body ship by a power ship.
The invention has the beneficial effects that:
(1) the fan blade temporary placing device is provided with the suspension device, so that a second crane for assisting the first crane to turn over the fan blade in the air is omitted, other floating bodies for placing the horizontal fan blade (occupying a large amount of space) are omitted, the construction process is simplified, the device can be repeatedly used, the modular operation is realized, the working efficiency is greatly improved, and easily damaged accessories of the fan can be replaced in places with limited water and shallow buoyancy, such as reservoirs or lakes.
(2) By adopting the technical scheme, the generator is convenient to replace, the fan generator can be replaced in places with limited water shallow buoyancy such as reservoirs or lakes, the problem that fan blades are placed on the water surface due to limited water shallow buoyancy is solved, the construction process is simplified, the safety is improved, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a floating body vessel.
In the figure: the floating body ship comprises a floating body ship 1, a bottom beam 2, a support column 3, a buoyancy tank 4, a reinforced buoyancy tank 5, a suspension device 6, a crane 7, fan blades 8 and a fan 9.
Detailed Description
The present invention is further illustrated by the following specific examples.
As shown in fig. 1, the present invention includes: the floating body ship comprises a floating body ship 1, a plurality of bottom beams 2 paved on the floating body ship 1 in a welding mode, support columns and suspension devices 3 installed on the bottom beams 2 in a welding mode, wherein the floating body ship 1 is a square floating body ship structure formed by assembling a plurality of floating boxes 4 and reinforcing floating boxes 5 (six in the embodiment) in a bolt connection mode; and the fan 9 is located one side of the floating body ship, the support column and the suspension device 3 are arranged at one end of the floating body ship, enough space is ensured for the crane 7 to carry out hoisting operation, the crane is pre-loaded with a floating body, after the fan blade 8 is dismantled, the fan blade 8 is temporarily placed to the suspension device, then the damaged generator is dismantled by the crane, a new generator is hoisted, and then the fan blade 8 is hoisted again, so that the generator is replaced.
The bottom beam 2 is formed by splicing a plurality of H-shaped steel and penetrates through the surface of the whole floating body ship 1, a) the weight of the support column and the suspension device 3 and the subsequent fan blade 8 removal can be achieved, b) the self weight and the hoisting weight during crane operation are uniformly dispersed on each floating box 4 of the floating body ship 1, particularly on the reinforced floating box 5, the concentrated load on a deck is effectively avoided, and meanwhile, the connection between the floating box 4 and the reinforced floating box 5 can be more fastened.
The suspension device 6 is fixedly connected with the support column 3 and is used for temporarily placing the detached fan blades 8; the lower part of the support column 3 is connected with the bottom beam in a welding mode, and reinforcing ribs are arranged at the connection position. After the support column 3 and the suspension device 6 are welded with the floating body ship 1, the two are formed into a whole, moreover, the floating body ship 1 carries a large amount of water, the weight of the floating body ship 1 and the weight of the ballast water are far greater than the dynamic load and the static load of hoisting, so that the gravity center of the integral structure is positioned below the steady center, and the hoisting and replacement of the generator operation and the safety and stability during the navigation in the reservoir when the structure is anchored are ensured.
A manhole cover which is convenient for people and equipment to come in and go out is arranged on the buoyancy tank 4; the specifications of the buoyancy tanks 4 are uniform, mounting holes are formed in the edges of the buoyancy tanks 4, a plurality of buoyancy tanks 4 are connected into a whole through a large number of high-strength bolts, and the bottom beams 2 are used for reinforcing the connection between the buoyancy tanks 4; the deck of the floating body vessel 1 needs to be smooth; the number of the buoyancy tanks 4 can be adjusted according to the weight of the fan 9, and the adaptability is strong. Each of the plurality of buoyancy tanks 4 is capable of individually adjusting the weight of ballast water therein; each of the reinforcing buoyancy tanks 5 is capable of individually adjusting the weight of ballast water therein, and the buoyancy tanks 4 and the reinforcing buoyancy tanks can accommodate not only tens of tons of water but also provide a large buoyancy and adjust the displacement of the floating vessel 1 by load adjustment. In the generator replacing process, the overall stability can be improved through ballast, and the displacement can be properly discharged and reduced in the sailing process from the wharf to the operation site, so that the sailing resistance is reduced.
The reinforcing buoyancy tanks 5 are provided at the support columns 3 and at the location of the cranes 7 to resist concentrated loads.
The construction steps of the invention are as follows:
the first step is as follows: a bottom beam 2, support columns and a suspension device 3 are prefabricated at a wharf, and then a buoyancy tank 4 and a reinforced buoyancy tank 5 are assembled into a floating body ship 1;
the second step is that: mounting the bottom beam 2, the support columns and the suspension devices 3 on the floating body ship 1, and hoisting the crane on the ship;
the third step: the floating body ship is pulled to a fan 9 by a power ship, anchoring is carried out, water is injected into the floating body ship 1 for loading, and the stability of the floating body ship is improved;
the fourth step: the crane removes the fan 9 of the fan blade 8, temporarily places the fan blade 8 on the suspension device, then removes the damaged generator by the crane, hoists the new generator, and then hoists the fan blade 8 to realize the replacement of the generator;
the fifth step: and (4) taking off the anchor, draining and load-adjusting the floating body ship 1, dragging by a power ship, and moving the ship to a wharf.
The above-mentioned embodiments only express the embodiments of the present invention, but not should be understood as the limitation of the scope of the invention patent, it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the concept of the present invention, and these all fall into the protection scope of the present invention.
Claims (2)
1. A structure for replacing a wind driven generator of a reservoir or a lake is characterized by comprising a floating body ship (1), a plurality of bottom beams (2) paved on the floating body ship (1), supporting columns (3) arranged on the bottom beams (2) and a suspension device (6);
the floating body ship (1) is of a square floating body ship structure formed by splicing a plurality of floating boxes (4) and reinforced floating boxes (5), the upper surfaces of the floating boxes (4) and the reinforced floating boxes (5) are smooth and serve as decks, and the reinforced floating boxes (5) are arranged at the positions where supporting columns (3) and cranes (7) are installed and used for resisting concentrated loads; pumps and pipelines are arranged in the buoyancy tanks (4) and the reinforced buoyancy tanks (5) and are used for water absorption and drainage, and the weight of ballast water in each buoyancy tank (4) and each reinforced buoyancy tank (5) can be independently adjusted;
the bottom beam (2) is formed by splicing a plurality of H-shaped steel and penetrates through the surface of the whole floating body ship (1); the bottom beam (2) is used for bearing the weight of the support column (3), the suspension device (6) and the fan blade (8) to be subsequently removed and the self weight and the hanging weight of the crane during operation, and the bottom beam is uniformly dispersed on each buoyancy tank (4) and each reinforced buoyancy tank (5) of the floating body ship (1), so that the concentrated load on a deck can be avoided; meanwhile, the connection between the buoyancy tank (4) and the reinforced buoyancy tank (5) is also fastened;
the bottom of the support column (3) is connected with the bottom beam (2) in a welding mode, and reinforcing ribs are arranged at the connection position; the top of the supporting column is provided with a suspension device (6), and the suspension device (6) is used for temporarily placing the detached wind power fan blades (8).
2. The use method of the structure for replacing the wind driven generator in the reservoir or the lake is characterized by comprising the following steps:
the first step is as follows: a bottom beam (2), a support column (3) and a suspension device (6) are prefabricated at a wharf, and a buoyancy tank (4) and a reinforced buoyancy tank (5) are assembled into a floating body ship (1);
the second step is that: installing a bottom beam (2), a support column (3) and a suspension device (6) on the floating body ship (1), and floating the floating body ship (1) in advance on a wharf by a crane (7);
the third step: the floating body ship (1) is pulled to a fan (9) by a power ship, anchoring is carried out in place, water is injected into the floating body ship (1) for loading, and the stability of the floating body ship (1) is improved; the fan (9) is positioned at one side of the floating body ship (1), and the support column (3) is arranged at one side, close to the fan (9), of the floating body ship (1), so that enough space is ensured for the crane (7) to carry out hoisting operation; during navigation from the wharf to an operation site, the water discharge amount can be properly discharged and reduced, and the navigation resistance is reduced;
the fourth step: after the fan blades (8) of the fan (9) are detached through the crane (7), the fan blades (8) are temporarily placed on the suspension device (6), then the damaged generator is detached through the crane, a new generator is hoisted, and then the fan blades (8) at the suspension device (6) are hoisted to the original position to realize the replacement of the generator; in the generator replacing process, the buoyancy tank (4) and the reinforced buoyancy tank (5) improve the overall stability by adjusting ballast;
the fifth step: and (4) taking off the anchor, draining and load-adjusting the floating body ship (1), and moving the floating body ship (1) to the wharf by dragging the floating body ship by a power ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661048.2A CN111765049A (en) | 2020-07-10 | 2020-07-10 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010661048.2A CN111765049A (en) | 2020-07-10 | 2020-07-10 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111765049A true CN111765049A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010661048.2A Withdrawn CN111765049A (en) | 2020-07-10 | 2020-07-10 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
Country Status (1)
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|---|---|
| CN (1) | CN111765049A (en) |
Citations (11)
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|---|---|---|---|---|
| CN102011714A (en) * | 2010-10-08 | 2011-04-13 | 中交第一航务工程局有限公司 | Construction method and equipment for integrally mounting offshore wind generating set |
| CN103010413A (en) * | 2012-12-06 | 2013-04-03 | 广东明阳风电产业集团有限公司 | Working method for hoisting draught fan by barge |
| CN103008972A (en) * | 2012-12-27 | 2013-04-03 | 北京金风科创风电设备有限公司 | Blade replacing and installing method of wind generating set |
| US20130152840A1 (en) * | 2010-07-23 | 2013-06-20 | Japan Marine United Corporation | Working system for floating structure, floating structure, working ship, and working method for floating structure |
| JP2014148261A (en) * | 2013-02-01 | 2014-08-21 | Mitsubishi Heavy Ind Ltd | Method for fixing work barge, maintenance method, installation method, floating body, and floating body-type wind force equipment |
| US20150298943A1 (en) * | 2011-06-20 | 2015-10-22 | Julio Garcia De La Pena Razquin | Lifting device for assembly and disassembly of wind turbine components |
| GB201622057D0 (en) * | 2016-12-22 | 2017-02-08 | Statoil Petroleum As | Installing or uninstalling components of a wind turbine |
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| CN207791078U (en) * | 2018-01-09 | 2018-08-31 | 天津恒泰国际海洋工程有限公司 | For reservoir or the floating support dismounting structure of the wind turbine in lake |
| CN210914960U (en) * | 2019-09-02 | 2020-07-03 | 北京国电思达科技有限公司 | Horizontal hoisting tool for blades of wind generating set |
| CN212272459U (en) * | 2020-07-10 | 2021-01-01 | 大连理工大学 | Structure for replacing wind driven generator of reservoir or lake |
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2020
- 2020-07-10 CN CN202010661048.2A patent/CN111765049A/en not_active Withdrawn
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| US20130152840A1 (en) * | 2010-07-23 | 2013-06-20 | Japan Marine United Corporation | Working system for floating structure, floating structure, working ship, and working method for floating structure |
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| US20150298943A1 (en) * | 2011-06-20 | 2015-10-22 | Julio Garcia De La Pena Razquin | Lifting device for assembly and disassembly of wind turbine components |
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| 于雯;李曙生;赵峰;袁宇波;杨;: "一种新型半潜式深海风电安装平台总布置设计", 海洋技术学报, no. 03 * |
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Application publication date: 20201013 |