CN110182323B - Offshore wind turbine generator system installation and transportation integrated ship - Google Patents
Offshore wind turbine generator system installation and transportation integrated ship Download PDFInfo
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- CN110182323B CN110182323B CN201910446692.5A CN201910446692A CN110182323B CN 110182323 B CN110182323 B CN 110182323B CN 201910446692 A CN201910446692 A CN 201910446692A CN 110182323 B CN110182323 B CN 110182323B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- 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
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Abstract
The invention discloses an integrated ship for installing and transporting an offshore wind turbine generator, and relates to the technical field of installation of offshore wind turbine generators. The ship comprises a ship body, a rotary mounting device, a movable track, a fan tower cylinder fixing clamping groove and a tower cylinder; the ship body is provided with a movable track, the rotary mounting device is arranged above the movable track, two movable tracks are respectively arranged on two side edges of the ship body, a fan tower cylinder fixing clamping groove is arranged between the two movable tracks on the same side, and a tower cylinder is fixed in the fan tower cylinder fixing clamping groove; the rotary mounting device comprises a turntable supporting platform, a rotary platform, a hydraulic cylinder supporting platform, a hydraulic cylinder, a first tower cylinder locking device, a first rotating shaft structure, a lifting arm, a second tower cylinder locking device, a rotary mechanical arm and a second rotating shaft structure. The invention has the advantages that: set up the removal track on the hull, rotary platform can replace lifting device, makes fan tower section of thick bamboo remove the mounting point from the deck through the mode that removes, accomplishes the complete machine transportation and the installation of fan, promotes fan installation effectiveness.
Description
Technical Field
The invention relates to the technical field of offshore wind turbine generator installation, in particular to an offshore wind turbine generator installation and transportation integrated ship.
Background
As a high-cleanness new energy industry, research in various fields at home and abroad is entering a vigorous development period. In order to further improve the competitiveness of wind power, the design needs to be continuously improved, and the cost of each link such as production, manufacture, transportation and installation is reduced. At present, the installation of an offshore wind turbine is mainly completed by a floating crane ship and a self-elevating crane platform, but the installation time is long, the working efficiency is low, and the installation cost is overlarge. The early installation ships are mainly formed by reforming other ocean engineering ships, many of the ships do not have self-propulsion capability, but with the upsizing of offshore wind turbines, the installation by adopting the self-propulsion self-elevating wind turbine installation ships gradually becomes a development trend. Statistics show that the proportion of the installation cost of the offshore wind turbine to the total investment is large.
In the prior art, CN201811390343.8 discloses an offshore wind turbine generator installation vessel device and an installation method thereof, the installation vessel device operates independently, a marine transportation platform is not required for transportation, and a marine installation platform and a special crane ship are not required for special mechanical hoisting during installation, so that the installation efficiency is improved. Therefore, the research on the transportation and installation integrated ship with low cost and safe operation is beneficial to the sustainable development of the wind power industry.
Disclosure of Invention
The invention aims to solve the technical problem of providing an offshore wind turbine generator set installation and transportation integrated ship, which can solve the problems of overall transportation and installation of a wind turbine and realize the purposes of complete ship loading, complete machine transportation and complete machine installation from a production port.
In order to solve the technical problems, the technical scheme of the invention is as follows: the device comprises a ship body, a rotary mounting device, a movable track and a fan tower cylinder fixing clamping groove; the ship body is provided with a moving track parallel to the length direction of the ship body, the rotary mounting device is installed above the moving track, two moving tracks are respectively arranged on two side edges of the ship body, a fan tower cylinder fixing clamping groove is formed between the two moving tracks on the same side, and a plurality of tower cylinders are fixed in the fan tower cylinder fixing clamping groove; the rotary mounting device comprises a rotary table supporting platform, a rotary platform, a hydraulic cylinder supporting platform, a hydraulic cylinder, a first tower cylinder locking device, a first rotary shaft structure, a lifting arm, a second tower cylinder locking device, a rotary mechanical arm and a second rotary shaft structure, wherein the bottom of the rotary mounting device is the rotary table supporting platform; the rotating platform is connected with a fan fixing tower, the outer side of the fan fixing tower is connected with a rotating shaft structure II and a tower barrel locking device II, and the rotating shaft structure II is connected with the tower barrel locking device II through a rotating mechanical arm; the top of the tower barrel is provided with an engine room, the bottom of the tower barrel is arranged in a fixing column, and the fixing column is arranged in a fan tower barrel fixing clamping groove.
Furthermore, the bottom of the turntable supporting platform is installed inside the movable track through a movable block, a driving device is arranged inside the ship body, and the driving device drives the movable block to move horizontally in the movable track.
Furthermore, the bottom of the rotating platform is movably connected with the turntable supporting platform through a rotating shaft, a driving motor is arranged in the turntable supporting platform, and the driving motor drives the rotating platform to rotate.
Furthermore, the bottom side of the rotary platform and the side of the turntable supporting platform are respectively provided with a plurality of clamping grooves, the side of the rotary platform is provided with a driving device and a clamping groove fixing block, and the driving device drives the clamping groove fixing block to move into the clamping grooves so as to clamp and fix the rotary platform and the turntable supporting platform.
The method for transporting and installing the offshore wind turbine generator by using the integrated ship comprises the following steps:
firstly, berthing a ship at a fan production port, and finishing the complete fan assembly;
secondly, hoisting the whole fan in a fan tower fixing clamping groove on a ship deck by using a hoisting device at a port, and installing and fixing the whole fan in a fixing column;
thirdly, the ship self-navigates to the sea area to be installed, and a mooring positioning system on the integrated ship is used to fix the ship in the installation sea area;
fourthly, rotating the first openable and closable tower barrel locking device and the second openable and closable tower barrel locking device to the position of the fan tower barrel fixing clamping groove on the ship body through rotation of the rotating platform, opening the first openable and closable tower barrel locking device and the second openable and closable tower barrel locking device through the first rotating shaft structure and the second rotating shaft structure, and driving the first rotating shaft structure and the second rotating shaft structure through a small motor;
fifthly, moving the turntable supporting platform to the side edge of the tower drum, closing the openable tower drum locking device I and the openable tower drum locking device II, locking the tower drum by the openable tower drum locking device I and the openable tower drum locking device II, starting a tower drum lifting system to lift the tower drum from the fan tower drum fixing clamping groove to the upper side of a deck, and rotating the rotating platform to enable the tower drum to rotate to the outer side of the ship body to install a sea area;
sixthly, fixing the rotary platform, opening the first tower drum locking device, starting a fan lifting system, descending a lifting mechanism, slowly lowering the tower drum until the tower drum is installed at the base position, and finishing installation;
and seventhly, all the equipment is completely reset, the mooring and positioning system is folded, the ship sails to the next installation sea area, and the steps are repeated until all the fan units are installed.
Compared with the prior art, the invention has the advantages that:
1. the integral ship for transporting and installing the offshore wind turbine generator set is provided with the movable track on the ship body, the rotary platform can replace hoisting equipment, and the wind turbine tower barrel can be moved to an installation point from a deck in a movable mode, which is not related to the existing equipment, so that the complete machine transportation and complete machine installation of a wind turbine are realized;
2. hoisting equipment is omitted in the installation process, the installation efficiency is high, the installation cost is saved, the method is suitable for installing a single-pile or Spar floating wind power plant, and the fan installation efficiency can be greatly improved;
3. a rotating platform is arranged on the ship body, so that the position of a tower can be flexibly moved;
4. a fan tower cylinder fixing clamping groove is formed in a deck of the ship body, so that the fan tower cylinder can be kept in a stable state in the transportation process;
5. the rotary platform is provided with a lifting system of the fan tower drum, and a hydraulic cylinder can be used for providing lifting power for the lifting system, so that the lifting or descending state of the fan tower drum can be effectively given, and the fan tower drum can be conveniently installed;
6. the rotary mounting systems of the two fan tower drums are symmetrically mounted at one end of the deck of the ship body, so that the ship body can be reasonably positioned under complex sea conditions, and one of the mounting systems is determined to be used for mounting the fan according to the sea conditions.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view taken at I in FIG. 2;
FIG. 5 is an enlarged view taken at II in FIG. 3;
FIG. 6 is a schematic view of the construction of the lift arm of the present invention;
FIG. 7 is a top view of the lift arm of the present invention;
FIG. 8 is a close-up view of a second tower locking device of the present invention;
FIG. 9 is an open view of a second tower locking device of the present invention.
Description of reference numerals: 1-a turntable support platform; 2-a rotating platform; 3-lifting arm clamping groove; 4-a hydraulic cylinder supporting platform; 5-a hydraulic cylinder; 6, a tower barrel locking device I; 7-rotating shaft structure one; 8-a lifting arm; 9-a tower barrel locking device II; 10-a moving track; 11-a fan tower cylinder fixing clamping groove; 12-a tower drum; 13-a nacelle; 14-a fan fixing tower; 15-a hull; 16-a rotating mechanical arm; and 17-a second rotating shaft structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description. The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: the device comprises a ship body 15, a rotary mounting device, a movable track 10 and a fan tower cylinder fixing clamping groove 11; two rotary mounting devices are symmetrically arranged on two sides of one end of the ship body 15, and are used for moving and lifting a wind turbine generator set in the mounting process, six completely assembled wind turbine generators are symmetrically arranged on two sides of a deck respectively, one wind turbine generator set is loaded on the rotary mounting device on one side, and the number of the whole wind turbine generators on the ship body can be flexibly set according to the size of the ship;
fan tower tube fixing clamping grooves 11 are respectively formed in two sides of the ship body 15 and used for safely fixing a fan in the transportation process from a manufacturing place or a port to an installation sea area, a cabin 13 is installed at the top of the tower tube 12, the bottom of the tower tube 12 is installed in a fixing column, and the fixing column is arranged inside the fan tower tube fixing clamping grooves 11; the ship body 15 is provided with a moving track 10 parallel to the length direction of the ship body 15, the rotary mounting device is arranged above the moving track 10, two moving tracks 10 are respectively arranged on two side edges of the ship body 15, and a fan tower cylinder fixing clamping groove 11 is arranged between the two moving tracks 10 on the same side;
the bottom of the rotary mounting device is a rotary table supporting platform 1, a rotary platform 2 is arranged above the rotary table supporting platform 1, a lifting arm clamping groove 3 and a hydraulic cylinder supporting platform 4 are arranged on the outer side of the rotary platform 2, the hydraulic cylinder supporting platform 4 is arranged below the lifting arm clamping groove 3, a lifting arm 8 is clamped in the lifting arm clamping groove 3, a hydraulic cylinder 5 is arranged on the hydraulic cylinder supporting platform 4, the hydraulic cylinder 5 is arranged at the bottom of the lifting arm 8, the lifting arm 8 and the hydraulic cylinder 5 form a lifting system of a tower cylinder 12, the outer end of the lifting arm 8 is connected with a rotating shaft structure I7, the outer end of the rotating shaft structure I7 is connected with a tower cylinder locking device I6 through a steel structure;
the rotating platform 2 is connected with a fan fixing tower 14, the outer side of the fan fixing tower 14 is connected with a rotating shaft structure II 17 and a tower barrel locking device II 9, the rotating shaft structure II 17 is connected with the tower barrel locking device II 9 through a rotating mechanical arm 16 to form an upper fixing mechanism of the fan tower barrel 12, the rotating platform 2 is located at an installation place at the moment in the drawing 1, and the two openable tower barrel locking devices I6 and the tower barrel locking device II 9 are located on the outer side of the ship body 15;
the bottom of the rotating platform 2 is movably connected with the turntable supporting platform 1 through a rotating shaft, a driving motor is arranged in the turntable supporting platform 1, and the driving motor drives the rotating platform 1 to rotate; the side of the bottom of the rotary platform 2 and the side of the turntable supporting platform 1 are respectively provided with a plurality of clamping grooves, the side of the rotary platform 2 is provided with a driving device and a clamping groove fixing block, and the driving device drives the clamping groove fixing block to move into the clamping grooves so as to clamp and fix the rotary platform 2 and the turntable supporting platform 1.
As shown in fig. 3, two fan-fixing tower slots 11 (the size of the size can be adjusted according to the model of the wind turbine generator) with the width of 5M and the depth of 10M are symmetrically arranged on two sides of the deck, three fixing columns are respectively arranged in the fan-fixing tower slots 11, and the diameters of the fixing columns can be set according to different models of the tower 12; the movable rails 10 are respectively symmetrically arranged at two sides of a clamping groove 11 of the fan fixed tower cylinder and can be used for the turntable supporting platform 1 to stably translate on a deck; the turntable supporting platform 1 is arranged on the moving track 10, and the turntable supporting platform and the moving track form a moving platform which meets the requirement of the rotating platform 2 on loading of the fan; the bottom of the turntable supporting platform 1 is installed inside the moving track 10 through a moving block, a driving device is arranged inside the ship body 15, and the driving device drives the moving block to move horizontally in the moving track 10.
As shown in fig. 4-7, the lifting arm 8 is installed in the lifting arm clamping groove 3 in an embedded manner, a smooth inner wall is arranged in the lifting arm clamping groove 3, so that the lifting process of the lifting arm 8 is smooth, the lifting arm structure is as shown in fig. 6 and 7, the first rotating shaft structure 7 and the right end of the lifting arm 8 are hinged together and connected with the first tower locking device 6 which can be opened and closed through a steel structure, the first rotating shaft structure 7 can be started to open or close the first tower locking device 6, the hydraulic cylinder 5 serves as main power equipment of the lifting mechanism, the lower end of the hydraulic cylinder supporting platform 4 is provided, the upper end of the hydraulic cylinder supporting platform is fixedly connected with the lifting arm 8, the lifting mechanism of the wind turbine generator set is formed, and the first rotating.
As shown in fig. 8 to 9, the outer side of the fan fixing tower 14 is connected to a mechanical arm 16 through a second rotating shaft structure 17, one end of the second rotating shaft structure 16 is fixedly connected to a second openable and closable tower cylinder locking device 9, the two components form a fixing mechanism on the upper portion of the tower cylinder 12 of the wind turbine generator, the second openable and closable tower cylinder locking device 9 can be controlled to open and close by starting the second rotating shaft structure 17, and the second rotating shaft structure 17 is driven by a small motor.
The hydraulic cylinder 5, the driving motor, the driving device, the small motor and the like are electrically connected with a control system on the ship body 15. The components of the hydraulic cylinder 5, the driving motor, the driving device, the small motor, the control system and the like are all common standard components or components known by those skilled in the art, and the structure and the principle of the components are known by technical manuals or by routine experiments and are not described.
The offshore wind turbine generator system is transported and installed by using the integrated ship, and the implementation steps are as follows:
firstly, berthing a ship at a fan production port, and finishing the complete fan assembly;
secondly, hoisting the whole fan in a tower fixing clamping groove 11 on a ship deck by using a hoisting device at a port, and mounting the fan in a fixing column for fixing;
thirdly, the ship self-navigates to the sea area to be installed, and a mooring positioning system on the integrated ship is used to fix the ship in the installation sea area;
fourthly, rotating the first openable and closable tower barrel locking device 6 and the second openable and closable tower barrel locking device 9 to the position of the fan tower barrel fixing clamping groove 11 on the ship body 15 through rotation of the rotating platform 2, opening the first openable and closable tower barrel locking device 6 and the second openable and closable tower barrel locking device 9 through the first rotating shaft structure 7 and the second rotating shaft structure 17, and driving the first rotating shaft structure 7 and the second rotating shaft structure 17 through a small motor;
fifthly, moving the turntable supporting platform 1 to the side edge of the tower drum 12, closing the openable tower drum locking device I6 and the openable tower drum locking device II 9, locking the tower drum 12 by the openable tower drum locking device I6 and the openable tower drum locking device II 9, starting a tower drum 12 lifting system, lifting the tower drum 12 from the fan tower drum fixing clamping groove 11 to the upper side of a deck, and rotating the rotating platform 2 to enable the tower drum 12 to rotate to the outer side of the ship body 15 to be installed in a sea area;
sixthly, fixing the rotating platform 2, opening the first tower drum locking device 6, starting a fan lifting system, descending a lifting mechanism, slowly lowering the tower drum 12 until the tower drum is installed at the pile foundation position, and finishing installation;
and seventhly, all the equipment is completely reset, the mooring and positioning system is folded, the ship sails to the next installation sea area, and the steps are repeated until all the fan units are installed.
In the specific embodiment, the movable track is arranged on the ship body, the rotating platform can replace hoisting equipment, and the fan tower barrel is moved to a mounting point from a deck in a moving mode, which is not related to the existing equipment, so that the complete machine transportation and the complete machine installation of the fan are realized; hoisting equipment is saved in the installation process, the installation efficiency is high, the installation cost is saved, the device can be simultaneously suitable for installation of a single pile or Spar floating wind power plant, and the installation efficiency of the fan can be greatly improved.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Offshore wind turbine generator system installs transportation integrative ship, its characterized in that: the device comprises a ship body, a rotary mounting device, a movable track and a fan tower cylinder fixing clamping groove; the ship body is provided with a moving track parallel to the length direction of the ship body, the rotary mounting device is installed above the moving track, two moving tracks are respectively arranged on two side edges of the ship body, a fan tower cylinder fixing clamping groove is formed between the two moving tracks on the same side, and a plurality of tower cylinders are fixed in the fan tower cylinder fixing clamping groove;
the rotary mounting device comprises a rotary table supporting platform, a rotary platform, a hydraulic cylinder supporting platform, a hydraulic cylinder, a first tower cylinder locking device, a first rotary shaft structure, a lifting arm, a second tower cylinder locking device, a rotary mechanical arm and a second rotary shaft structure, wherein the bottom of the rotary mounting device is the rotary table supporting platform;
the rotating platform is connected with a fan fixing tower, the outer side of the fan fixing tower is connected with a rotating shaft structure II and a tower barrel locking device II, and the rotating shaft structure II is connected with the tower barrel locking device II through a rotating mechanical arm; the top of the tower barrel is provided with an engine room, the bottom of the tower barrel is arranged in a fixing column, and the fixing column is arranged in a fan tower barrel fixing clamping groove.
2. Offshore wind turbine installation and transportation integrated vessel according to claim 1, characterized in that: the bottom of the turntable supporting platform is installed inside the moving track through a moving block, a driving device is arranged inside the ship body, and the driving device drives the moving block to move horizontally in the moving track.
3. Offshore wind turbine installation and transportation integrated vessel according to claim 1, characterized in that: the bottom of the rotary platform is movably connected with the turntable supporting platform through a rotating shaft, a driving motor is arranged in the turntable supporting platform, and the driving motor drives the rotary platform to rotate.
4. Offshore wind turbine installation and transportation integrated vessel according to claim 1, characterized in that: the side of the bottom of the rotary platform and the side of the turntable supporting platform are respectively provided with a plurality of clamping grooves, the side of the rotary platform is provided with a driving device and a clamping groove fixing block, and the driving device drives the clamping groove fixing block to move into the clamping grooves so as to clamp and fix the rotary platform and the turntable supporting platform.
5. Offshore wind turbine installation and transportation integrated vessel according to claim 1, characterized in that: the method for transporting and installing the offshore wind turbine generator by using the integrated ship comprises the following steps:
firstly, berthing a ship at a fan production port, and finishing the complete fan assembly;
secondly, hoisting the whole fan in a fan tower fixing clamping groove on a ship deck by using a hoisting device at a port, and installing and fixing the whole fan in a fixing column;
thirdly, the ship self-navigates to the sea area to be installed, and a mooring positioning system on the integrated ship is used to fix the ship in the installation sea area;
fourthly, rotating the first openable and closable tower barrel locking device and the second openable and closable tower barrel locking device to the position of the fan tower barrel fixing clamping groove on the ship body through rotation of the rotating platform, opening the first openable and closable tower barrel locking device and the second openable and closable tower barrel locking device through the first rotating shaft structure and the second rotating shaft structure, and driving the first rotating shaft structure and the second rotating shaft structure through a small motor;
fifthly, moving the turntable supporting platform to the side edge of the tower drum, closing the openable tower drum locking device I and the openable tower drum locking device II, locking the tower drum by the openable tower drum locking device I and the openable tower drum locking device II, starting a tower drum lifting system to lift the tower drum from the fan tower drum fixing clamping groove to the upper side of a deck, and rotating the rotating platform to enable the tower drum to rotate to the outer side of the ship body to install a sea area;
sixthly, fixing the rotary platform, opening the first tower drum locking device, starting a fan lifting system, descending a lifting mechanism, slowly lowering the tower drum until the tower drum is installed at the base position, and finishing installation;
and seventhly, all the equipment is completely reset, the mooring and positioning system is folded, the ship sails to the next installation sea area, and the steps are repeated until all the fan units are installed.
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| CN201910446692.5A CN110182323B (en) | 2019-05-27 | 2019-05-27 | Offshore wind turbine generator system installation and transportation integrated ship |
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| CN201910446692.5A CN110182323B (en) | 2019-05-27 | 2019-05-27 | Offshore wind turbine generator system installation and transportation integrated ship |
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| CN110182323B true CN110182323B (en) | 2021-03-30 |
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| CN113978622B (en) * | 2021-06-16 | 2024-06-04 | 丁红岩 | Offshore multi-barrel jacket foundation transportation method and integrated transportation ship |
| CN113320646A (en) * | 2021-06-25 | 2021-08-31 | 广州星际海洋工程设计有限公司 | Offshore wind turbine mounting platform |
| CN115123461B (en) * | 2022-05-27 | 2023-09-08 | 大连理工大学 | Marine fan whole machine transportation integrated ship with wave compensation function and installation method thereof |
| CN116085209B (en) * | 2022-11-30 | 2023-08-22 | 广东精铟海洋工程股份有限公司 | Marine wind power installation ship and construction method thereof |
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| US20040126205A1 (en) * | 2000-12-11 | 2004-07-01 | Amoss W. J. Jim | Container cargo transfer system |
| CN201236117Y (en) * | 2008-07-17 | 2009-05-13 | 上海振华港口机械（集团）股份有限公司 | Pulling crane |
| CN105314069B (en) * | 2009-09-04 | 2019-10-11 | 伊特雷科公司 | Catamaran hull ship for offshore wind turbines installation |
| CN102030291B (en) * | 2010-11-04 | 2012-12-19 | 三一电气有限责任公司 | Offshore wind turbine transport and installation platform |
| CN102616338A (en) * | 2011-01-30 | 2012-08-01 | 华锐风电科技(集团)股份有限公司 | Ship for transporting wind turbines and transporting method for wind turbines |
| CN103373447B (en) * | 2012-04-13 | 2015-12-30 | 上海利策科技股份有限公司 | A kind of jacket removes ship and jacket method for dismounting |
| CN206071798U (en) * | 2016-08-31 | 2017-04-05 | 中核机械工程有限公司 | Wind turbines marine transportation installation ship |
| CN107939614B (en) * | 2017-11-23 | 2019-08-27 | 武汉理工大学 | Hydraulic inclined push type offshore wind turbine installation system |
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