CN115158563A - Offshore wind turbine installation vessel and offshore wind turbine installation method - Google Patents
Offshore wind turbine installation vessel and offshore wind turbine installation method Download PDFInfo
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- CN115158563A CN115158563A CN202210844731.9A CN202210844731A CN115158563A CN 115158563 A CN115158563 A CN 115158563A CN 202210844731 A CN202210844731 A CN 202210844731A CN 115158563 A CN115158563 A CN 115158563A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
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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
- F03D13/10—Assembly of wind motors; Arrangements for erecting 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
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to the technical field of offshore wind power, and discloses an offshore wind turbine installation vessel and an offshore wind turbine installation method. The offshore wind turbine installation vessel is used for transporting and installing each part of an offshore wind turbine and comprises a vessel body and an installation assembly. The ship body is configured to load all parts, one side of the ship body is provided with a positioning groove, the ship body is moved, and the fan foundation can extend into the positioning groove; the mounting assembly comprises a mounting bracket and a locking piece, the mounting bracket is rotatably connected to the ship body, the locking piece is connected to the mounting bracket and used for locking the tower barrel, and the locking piece can be opened. When the mounting bracket is positioned at the first mounting position, the locking piece locks the tower drum, and the plurality of blades are sequentially connected to the tower drum and assembled to form the fan to be mounted; when the mounting bracket is located the second mounting position, the retaining member is opened, and the fan to be mounted can be connected to the fan foundation. The offshore wind turbine installation vessel is less influenced by sea conditions during transportation, has strong wind and wave resisting capability, can realize stable transportation and installation of an offshore wind turbine, and has short operation time.
Description
Technical Field
The invention relates to the technical field of offshore wind power, in particular to an offshore wind turbine installation vessel and an offshore wind turbine installation method.
Background
At present, the offshore wind power technology is gradually improved, the development cost of an offshore wind field is gradually reduced, and the offshore wind power development becomes one of the main forms of the development and utilization of the current new energy technology. The development of offshore wind power technology is developing towards large-scale, high power and deep open sea. Offshore wind turbine structures generally include blades, nacelles, towers, and infrastructure. With the development of large-scale fans, the weight of blades, a nacelle and a tower which need to be considered in integral transportation and installation is up to more than 2000 tons.
The installation of the offshore wind turbine mainly adopts two forms, one is sectional installation, and the other is integral installation. The sectional type installation process is generally divided into seven steps of bottom section tower barrel hoisting, middle and lower section tower barrel hoisting, middle and upper section tower barrel hoisting, top section tower barrel hoisting, cabin hoisting, impeller assembling and impeller hoisting, wherein each fan part needs to be hoisted by high-altitude operation and connected through bolts, the fan parts are hoisted piece by piece, and a fan installation ship needs to complete the installation of an offshore fan according to the steps and then carry out offshore debugging on the wind turbine generator. In the integral installation, the fan blades, the engine room and the tower frame are assembled and debugged on the shore base, then are loaded to a construction ship, and are integrally transported to the wind farm sea area for installation.
In the two installation methods, the sectional installation mainly adopts two methods of installing the fan by standing the self-elevating support leg ship on the seabed or installing the fan by sitting the ship on the seabed, wherein the support leg ships are more. As the crane equipped on the outrigger ship has small hoisting weight, low hoisting height and low navigational speed, complex pile inserting and pile pulling operations need to be completed before and after hoisting operation, and the requirement on operation sea condition is high. Therefore, the offshore operation time of sectional installation is long, and the requirement of an offshore operation window is high. And with the development of offshore wind power towards the deep and far sea, the water depth and the installed scale of a single fan are larger and larger, the requirements for the length and the hoisting height of the supporting legs are fundamentally changed, and the original supporting leg ship and the original bottom-sitting ship can not meet the installation requirements of newly-added offshore fans. In the integral installation, the towing is mostly carried out by adopting a vertical transportation mode. The vertical transportation of the fan has extremely high requirements on ship stability, high requirements on sea conditions and low wind and wave resistance.
Disclosure of Invention
The invention aims to provide an offshore wind turbine installation ship which is less influenced by sea conditions during transportation, has strong wind and wave resisting capability, can realize stable transportation and installation of an offshore wind turbine, has short operation time and greatly shortens the construction period of an offshore wind farm.
In order to achieve the purpose, the invention adopts the following technical scheme:
an offshore wind turbine installation vessel for transportation and installation of components of an offshore wind turbine, the components comprising a plurality of towers and a plurality of blades, the offshore wind turbine installation vessel comprising:
the ship body is configured to load all the parts, a positioning groove is formed in one side of the ship body, the ship body is moved, and the fan foundation can extend into the positioning groove;
the mounting assembly comprises a mounting bracket and a locking piece, the mounting bracket is rotatably connected to the ship body, the locking piece is connected to the mounting bracket and used for locking the tower barrel, and the locking piece can be opened;
when the mounting bracket is located at a first mounting position, the locking piece locks the tower drum, and the blades are sequentially connected to the top of the tower drum in a radial shape to form a fan to be mounted;
when the mounting bracket is located at the second mounting position, the locking piece is opened, and the fan to be mounted can be connected to the fan foundation.
Optionally, the boat body further comprises a driving assembly, a fixed end of the driving assembly is connected to the boat body, and an output end of the driving assembly is connected to the mounting bracket.
Optionally, the system further comprises a moving assembly, wherein the moving assembly is arranged on the ship body and used for transferring the tower drum.
Optionally, the lifting assembly is connected to the hull for lifting and assembling the blade.
Optionally, the wind turbine further comprises a buffer and a positioning base, when the mounting bracket is located at the second mounting position, the buffer is connected to the bottom of the tower, the positioning base is connected to the wind turbine foundation, and the buffer is matched with the positioning base so as to align the wind turbine to be mounted with the wind turbine foundation.
Optionally, the mounting bracket further comprises a limiting component, when the mounting bracket is located at the second mounting position, one end of the limiting component is connected to the bottom of the tower drum, and the other end of the limiting component is connected to the locking member or the mounting bracket so as to limit axial movement of the tower drum.
Optionally, the installing support includes landing leg and first supporting beam, the landing leg is provided with two, two the landing leg symmetry set up in the constant head tank both sides on the hull, and with the hull rotates to be connected, the both ends of first supporting beam are connected in two the landing leg, the retaining member connect in the center of first supporting beam.
Optionally, the installing support still includes a second supporting beam, the second supporting beam with first supporting beam is parallel and the interval sets up, the both ends of second supporting beam are connected respectively in two the landing leg, the center of second supporting beam with the center collineation of first supporting beam, the center of second supporting beam is connected with the retaining member.
Another object of the present invention is to provide an offshore wind turbine installation method, which is less affected by severe sea conditions and can safely, efficiently and quickly complete the installation of an offshore wind turbine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the offshore wind turbine installation method adopts the offshore wind turbine installation vessel, and comprises the following steps:
s100, transporting each part of the offshore wind turbine to a ship body, wherein the part comprises a plurality of towers and a plurality of blades;
s200, moving the ship body, and aligning the notch of the mounting groove with the fan foundation;
s300, moving the ship body again to enable the fan foundation to enter the installation groove;
s400, enabling an installation support to be parallel to the upper surface of the ship body, enabling the installation support to be located at a first installation position, connecting the tower drum with a locking piece, and sequentially assembling a plurality of blades onto the tower drum to form a fan to be installed;
s500, rotating the mounting bracket to be vertical to the upper surface of the ship body, enabling the mounting bracket to be located at a second mounting position, opening the locking piece, and enabling the fan to be mounted to slide downwards to be connected with the fan foundation;
and S600, repeating the steps S200-S500, and completing the installation of all the offshore wind turbines in sequence.
Optionally, in step S400, the tower is transferred to be connected with the locking member by a moving assembly, and the blade is hoisted to be connected with the tower by a hoisting assembly.
The invention has the beneficial effects that:
the offshore wind turbine installation vessel provided by the invention is used for transporting and installing each part of an offshore wind turbine, the parts of the offshore wind turbine comprise a plurality of tower barrels and a plurality of blades, and the offshore wind turbine installation vessel comprises a hull and an installation assembly. Wherein, the hull is configured to load each spare part, and the constant head tank has been seted up to one side of hull, removes the hull, and the fan basis can stretch into the constant head tank. The positioning groove is aligned to the fan foundation through the ship anchoring system, the ship body is moved to enable the fan foundation to enter the positioning groove, accurate positioning of the ship body and the fan foundation is achieved, and a positioning foundation is provided for follow-up installation of an offshore fan. The mounting assembly comprises a mounting bracket and a locking piece, the mounting bracket is rotatably connected to the ship body, the locking piece is connected to the mounting bracket and used for locking the tower barrel, and the locking piece can be opened; when the mounting bracket is located at the first mounting position, the locking part locks the tower drum, and the plurality of blades are sequentially connected to the tower drum to be assembled to form the fan to be mounted; when the mounting bracket is located at the second mounting position, the locking piece is opened, and the fan to be mounted can be connected to the fan foundation. That is, the offshore wind turbine installation vessel can carry a plurality of sets of wind turbine components, and when the installation support is located at the first installation position, the installation of the wind turbine to be installed can be completed on the ship body; when the mounting bracket is located at the second mounting position, the fan to be mounted is connected with the fan foundation, and therefore mounting operation of the fan to be mounted is achieved. The offshore wind turbine installation vessel is less influenced by sea conditions during transportation, has strong wind and wave resisting capability, can realize stable transportation and installation of an offshore wind turbine, has short operation time, and greatly shortens the construction period of an offshore wind farm.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an offshore wind turbine installation vessel provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of an offshore wind turbine installation vessel (with a mounting bracket in a first installation position) provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an offshore wind turbine installation vessel with a mounting bracket in a second mounting position according to an embodiment of the present invention.
In the figure:
100. a fan is to be installed; 101. a tower drum; 102. a blade; 200. a fan foundation;
1. a hull; 11. positioning a groove;
2. mounting the component; 21. mounting a bracket; 22. a locking member;
3. a drive assembly;
4. a moving assembly;
5. hoisting the assembly;
61. a buffer; 62. positioning a base;
7. and a limiting component.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The embodiment provides an offshore wind turbine installation ship for transportation and installation of each spare part of offshore wind turbine, is influenced by sea state less during its transportation, resists the stormy waves ability reinforce, can realize the steady transportation and the installation of offshore wind power generation unit, and the activity duration is short, shortens offshore wind farm construction cycle greatly. As shown in fig. 1-3, the offshore wind turbine installation vessel comprises a hull 1 and a mounting assembly 2.
Specifically, the hull 1 is configured to carry various components. The components of the offshore wind turbine include a plurality of towers 101 and a plurality of blades 102. The constant head tank 11 has been seted up to one side of hull 1, removes hull 1, and fan basis 200 can stretch into constant head tank 11. Make constant head tank 11 and fan basis 200 align through boats and ships mooring system to remove hull 1 and make fan basis 200 get into in the constant head tank 11, and then realize the accurate location of hull 1 and fan basis 200, provide the location basis for the installation of follow-up marine fan. The mounting assembly 2 comprises a mounting bracket 21 and a locking member 22, the mounting bracket 21 is rotatably connected to the hull 1, the locking member 22 is connected to the mounting bracket 21 and used for locking the tower 101, and the locking member 22 can be opened; when the mounting bracket 21 is located at the first mounting position, the locking member 22 locks the tower barrel 101, and the plurality of blades 102 are sequentially connected to the top of the tower barrel 101 in a radial manner to form the fan 100 to be mounted; when the mounting bracket 21 is in the second mounting position, the locking member 22 is opened and the wind turbine 100 to be mounted can be attached to the wind turbine base 200. Illustratively, the locking member 22 in the present embodiment may be selected as a hoop in the prior art, so as to lock and unlock the tower 101. That is, the offshore wind turbine installation vessel can carry a plurality of sets of wind turbine components, and when the installation bracket 21 is at the first installation position, the assembly of the wind turbine 100 to be installed can be completed on the hull 1; when the mounting bracket 21 is located at the second mounting position, the fan 100 to be mounted is connected to the fan base 200, so that the mounting operation of the fan 100 to be mounted is realized.
Alternatively, as shown in fig. 1, the mounting bracket 21 includes two legs and a first supporting beam, the two legs are symmetrically disposed on the hull 1 at two sides of the positioning slot 11 and rotatably connected with the hull 1, two ends of the first supporting beam are connected to the two legs, and the locking member 22 is connected to the center of the first supporting beam. When the legs are parallel to the upper surface of the hull 1, i.e. the mounting bracket 21 is lying flat on the hull 1, this is the first mounting position of the mounting bracket 21, see fig. 2; when the legs are rotated to be perpendicular to the upper surface of the hull 1, i.e. the mounting bracket 21 is perpendicular to the hull 1, this is the second mounting position of the mounting bracket 21, see fig. 3. When the mounting bracket 21 is in the first mounting position, the assembly of the fan 100 to be mounted is completed, and when the mounting bracket 21 is in the second mounting position, the fan 100 to be mounted is vertically erected so as to be aligned and connected with the fan base 200.
Further, with continued reference to fig. 1-3, the mounting bracket 21 further includes a second supporting beam, the second supporting beam is parallel to and spaced apart from the first supporting beam, two ends of the second supporting beam are respectively connected to the two legs, the center of the second supporting beam is collinear with the center of the first supporting beam, and the center of the second supporting beam is connected with a locking member 22. In the embodiment, the mounting bracket 21 is of a door frame structure, and the first supporting beam, the second supporting beam and the two locking members 22 can improve the stability of the wind turbine 100 to be mounted when the mounting bracket 21 rotates.
Optionally, as shown in fig. 2 and 3, the offshore wind turbine installation vessel further comprises a drive assembly 3. The fixed end of the driving component 3 is connected to the hull 1, and the output end of the driving component 3 is connected to the mounting bracket 21. The output end of the driving assembly 3 can drive the mounting bracket 21 to rotate, so that the mounting bracket 21 can be switched between the first mounting position and the second mounting position. For example, the driving assembly 3 in the present embodiment may be selected from a structure in which a driving member such as a motor, an air cylinder, or an oil cylinder cooperates with a telescopic rod in the prior art, and the telescopic rod can be controlled to extend and retract to drive the mounting bracket 21 to rotate.
Optionally, as shown in fig. 1-3, the offshore wind turbine installation vessel further comprises a mobile assembly 4. The moving assembly 4 is disposed on the hull 1 and used for transferring the tower 101. In this embodiment, the moving assembly 4 includes a plurality of hydraulic trolleys placed on the deck of the hull 1, the hydraulic trolleys can be translated and lifted on the deck, and the tower barrels 101 and the blades 102 stacked on the deck of the hull 1 are sequentially transferred to the mounting brackets 21 by cooperation of the plurality of hydraulic trolleys, so that the assembly is facilitated for constructors.
Optionally, with continued reference to fig. 1-3, the offshore wind turbine installation vessel further comprises a lifting assembly 5. The hoisting assembly 5 is connected to the hull 1 for hoisting and assembling the blade 102. Specifically, in the present embodiment, the hoisting assembly 5 is a ship side crane commonly used in the prior art, and the blades 102 stacked on the deck of the hull 1 are hoisted to the mounting bracket 21 by the ship side crane to be assembled with the tower 101.
Optionally, as shown in fig. 2 and 3, the offshore wind turbine installation vessel further comprises a buffer 61 and a positioning base 62. When the mounting bracket 21 is in the second mounting position, the buffer 61 is connected to the bottom of the tower 101, the positioning base 62 is connected to the fan base 200, and the buffer 61 and the positioning base 62 cooperate to align the fan 100 to be mounted with the fan base 200. That is to say, when installing support 21 is in vertical state, in order to be convenient for to aim at fan 100 and fan basis 200 to be installed well, connect buffer 61 in tower section of thick bamboo 101 bottom, install location base 62 on fan basis 200 simultaneously, through being connected buffer 61 and location base 62, can realize waiting to install fan 100 and fan basis 200 and aim at being connected. Illustratively, the buffer 61 in the present embodiment may be selected as a spring buffer in the prior art.
Optionally, with continued reference to fig. 2 and 3, the offshore wind turbine installation vessel further comprises a stop assembly 7. When the mounting bracket 21 is in the second mounting position, one end of the limiting assembly 7 is connected to the bottom of the tower 101, and the other end of the limiting assembly 7 is connected to the locking member 22 or the mounting bracket 21, so as to limit the axial movement of the tower 101. In this embodiment, the limiting component 7 is a limiting steel wire rope, and when the mounting bracket 21 is in the vertical state, one end of the limiting steel wire rope is connected to the buffer 61, and the other end of the limiting steel wire rope is connected to the locking member 22, so as to limit the axial sliding of the tower 101.
The embodiment also provides an offshore wind turbine installation method, and by adopting the offshore wind turbine installation ship, the influence of severe sea conditions can be greatly reduced, and the transportation and installation of the offshore wind turbine can be safely, efficiently and quickly completed.
The offshore wind turbine installation method comprises the following steps:
s100, transporting each part of the offshore wind turbine to the ship body 1, wherein the part comprises a plurality of towers 101 and a plurality of blades 102.
S200, moving the ship body 1, and aligning the notch of the mounting groove with the fan foundation 200.
S300, moving the ship body 1 again to enable the fan foundation 200 to enter the installation groove.
S400, enabling the mounting support 21 to be parallel to the upper surface of the ship body 1, enabling the mounting support 21 to be located at a first mounting position, connecting the tower 101 with the locking piece 22, and sequentially assembling the plurality of blades 102 to the tower 101 to form the fan 100 to be mounted.
S500, rotating the mounting bracket 21 to be vertical to the upper surface of the ship body 1, enabling the mounting bracket 21 to be in a second mounting position, opening the locking piece 22, and enabling the fan 100 to be mounted to slide downwards to be connected with the fan foundation 200.
S600, repeating the steps S200-S500, and sequentially completing the installation of all the offshore wind turbines.
Optionally, in step S400, tower 101 is transferred to be connected to retaining member 22 by moving assembly 4, and blade 102 is hoisted to be connected to tower 101 by hoisting assembly 5.
Specifically, according to the offshore wind turbine installation method, the positioning groove 11 is aligned with the wind turbine foundation 200 through the ship anchoring system, the ship body 1 is moved to enable the wind turbine foundation 200 to enter the positioning groove 11, accurate positioning of the ship body 1 and the wind turbine foundation 200 is achieved, and a positioning foundation is provided for subsequent installation of the offshore wind turbine. The mounting bracket 21 is laid on the deck of the ship body 1, and the two locking members 22 on the mounting bracket 21 are opened, and the tower 101 on the deck is transferred to the mounting bracket 21 by the plurality of moving assemblies 4 and connected with the locking members 22. The locking piece 22 is closed to lock the position of the tower 101, and then the blade 102 is lifted to the tower 101 by using the lifting assembly 5 to complete the assembly of the wind turbine 100 to be installed. After the wind turbine 100 is assembled, the buffer 61 is installed at the bottom of the tower 101, and the positioning base 62 is installed on the wind turbine foundation 200. The buffer 61 and the locking member 22 are connected with the limiting assembly 7 to limit the axial sliding of the tower 101. Under the pushing of the driving assembly 3, the mounting bracket 21 and the fan 100 to be mounted rotate to a vertical state, and under the cooperation of the buffer 61 and the positioning base 62, the flange at the bottom of the fan 100 to be mounted is aligned with the flange on the fan base 200. And (4) unlocking the limiting assembly 7, and descending the fan 100 to be installed until the two flanges are completely attached. After the constructor connects the bolts at the bottom of the tower 101, the buffer 61 and the positioning base 62 are recovered, the driving assembly 3 retracts, and the mounting bracket 21 is horizontally placed back to the deck. And (4) moving the ship body 1 to the next machine position, repeating the steps and installing the next fan.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An offshore wind turbine installation vessel for transportation and installation of components of an offshore wind turbine, the components comprising a plurality of towers (101) and a plurality of blades (102), the offshore wind turbine installation vessel comprising:
the ship body (1) is configured to load all the parts, a positioning groove (11) is formed in one side of the ship body (1), the ship body (1) is moved, and a fan foundation (200) can extend into the positioning groove (11);
the mounting assembly (2) comprises a mounting bracket (21) and a locking piece (22), the mounting bracket (21) is rotatably connected to the ship body (1), the locking piece (22) is connected to the mounting bracket (21) and used for locking the tower drum (101), and the locking piece (22) can be opened;
when the mounting bracket (21) is located at a first mounting position, the tower barrel (101) is locked by the locking piece (22), and the blades (102) are sequentially connected to the top of the tower barrel (101) in a radial mode to form a fan (100) to be mounted in an assembled mode;
when the mounting bracket (21) is in the second mounting position, the locking piece (22) is opened, and the fan (100) to be mounted can be connected to the fan base (200).
2. Offshore wind turbine installation vessel according to claim 1, further comprising a drive assembly (3), the fixed end of the drive assembly (3) being connected to the hull (1), the output end of the drive assembly (3) being connected to the mounting bracket (21).
3. Offshore wind turbine installation vessel according to claim 1, further comprising a mobile assembly (4), the mobile assembly (4) being arranged on the hull (1) for transfer of the tower (101).
4. Offshore wind turbine installation vessel according to claim 1, further comprising a hoisting assembly (5) connected to the hull (1) for hoisting and assembling the blades (102).
5. Offshore wind turbine installation vessel according to claim 1, further comprising a damper (61) and a positioning base (62), the damper (61) being connected to the bottom of the tower (101) and the positioning base (62) being connected to the wind turbine foundation (200) when the mounting bracket (21) is in the second mounting position, the damper (61) cooperating with the positioning base (62) to align the wind turbine (100) to be installed with the wind turbine foundation (200).
6. Offshore wind turbine installation vessel according to claim 1, further comprising a limiting assembly (7), wherein when the mounting bracket (21) is in the second mounting position, one end of the limiting assembly (7) is connected to the bottom of the tower (101), and the other end of the limiting assembly (7) is connected to the locking member (22) or the mounting bracket (21) for limiting axial movement of the tower (101).
7. Marine wind turbine installation vessel according to any one of claims 1-6, characterised in that the mounting bracket (21) comprises two legs and a first support beam, the two legs being symmetrically arranged on the hull (1) on either side of the positioning slot (11) and being rotatably connected to the hull (1), the two ends of the first support beam being connected to the two legs, and the locking member (22) being connected to the centre of the first support beam.
8. Offshore wind turbine installation vessel according to claim 7, wherein the mounting bracket (21) further comprises a second support beam arranged parallel and spaced apart from the first support beam, wherein the two ends of the second support beam are connected to the two legs, respectively, wherein the center of the second support beam is collinear with the center of the first support beam, and wherein the locking member (22) is connected to the center of the second support beam.
9. An offshore wind turbine installation method, using the offshore wind turbine installation vessel according to any one of claims 1 to 8, the offshore wind turbine installation method comprising:
s100, transporting each part of the offshore wind turbine to a ship body (1), wherein the part comprises a plurality of towers (101) and a plurality of blades (102);
s200, moving the ship body (1), and aligning the notch of the mounting groove with the fan foundation (200);
s300, moving the ship body (1) again to enable the fan foundation (200) to enter the installation groove;
s400, enabling an installation support (21) to be parallel to the upper surface of the ship body (1), enabling the installation support (21) to be located at a first installation position, connecting the tower drum (101) with a locking piece (22), and sequentially assembling a plurality of blades (102) to the tower drum (101) to form a fan (100) to be installed;
s500, rotating the mounting bracket (21) to be vertical to the upper surface of the ship body (1), wherein the mounting bracket (21) is located at a second mounting position, opening the locking piece (22), and enabling the fan (100) to be mounted to slide downwards to be connected with the fan foundation (200);
and S600, repeating the steps S200-S500, and completing the installation of all the offshore wind turbines in sequence.
10. Offshore wind turbine installation method according to claim 9, wherein in step S400 the tower (101) is transferred to be connected to the locking elements (22) by means of a moving assembly (4) and the blades (102) are hoisted to be connected to the tower (101) by means of a hoisting assembly (5).
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