CN114670976B - Back pressure type offshore wind power complete machine transportation and installation ship and method - Google Patents

Back pressure type offshore wind power complete machine transportation and installation ship and method Download PDF

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Publication number
CN114670976B
CN114670976B CN202210239532.5A CN202210239532A CN114670976B CN 114670976 B CN114670976 B CN 114670976B CN 202210239532 A CN202210239532 A CN 202210239532A CN 114670976 B CN114670976 B CN 114670976B
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China
Prior art keywords
wind power
offshore wind
complete machine
power complete
foundation
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CN202210239532.5A
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Chinese (zh)
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CN114670976A (en
Inventor
乐丛欢
林毅峰
校建东
姜娟
张浦阳
丁红岩
张权
黄�俊
孙秋菊
王李吉
李嘉隆
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Tianjin University
Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Tianjin University
Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Priority to CN202210239532.5A priority Critical patent/CN114670976B/en
Publication of CN114670976A publication Critical patent/CN114670976A/en
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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
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • B63B77/10—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms specially adapted for electric power plants, e.g. wind turbines or tidal turbine generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines

Abstract

The invention discloses a cylindrical foundation convenient to transport, a backpressure type offshore wind power complete machine transport installation ship and a method, which belong to the technical field of offshore wind power complete machine transport. The transportation and installation ship comprises a ship body, wherein a containing groove which is wide in upper part and narrow in lower part and used for containing the barrel-shaped foundation is formed in the ship body, and a second connecting part which is matched with the first connecting part and enables the barrel-shaped foundation to be fixed on the ship body is arranged on supporting decks on two sides of the containing groove. The invention can realize the simultaneous transportation and installation of a plurality of offshore wind power complete machines, has the advantages of simple operation, high success rate and high safety and reliability, improves the transportation efficiency and reduces the construction cost.

Description

Back pressure type offshore wind power complete machine transportation and installation ship and method
Technical Field
The invention relates to the technical field of offshore wind power complete machine transportation, in particular to a back pressure type offshore wind power complete machine transportation installation ship and a back pressure type offshore wind power complete machine transportation installation method.
Background
The offshore wind power complete machine comprises a barrel-shaped foundation and a fan (short for wind power generation set), wherein the barrel-shaped foundation is of a semi-closed barrel-shaped structure with an opening at the bottom, and the fan is generally composed of a tower barrel, a cabin and blades.
The installation mode of the offshore wind power is mainly two, namely, the offshore split installation is realized by using a transport ship to transport a barrel-shaped foundation, a tower barrel, a cabin and blades to an installation sea area and then installing the wind power into an offshore wind power complete machine; however, due to the large sea storms, high fans, high lifting times and large overhead installation workload, great difficulty is brought to the offshore lifting operation and installation, and the installation efficiency is low. The other is offshore integral installation, namely, firstly, the assembly and the debugging of the fan are carried out on a land or shore barge, then the fan is installed on a cylindrical foundation floating on the sea surface, and the assembled offshore wind power complete machine is towed to the installation sea area by a barge. However, as the barge can only tow a single offshore wind power complete machine at a time, the transportation efficiency of the offshore wind power complete machine is too low, so that the transportation cost is high, and the development of offshore wind power is seriously affected.
The Chinese patent with the application number of 201310191905.7 discloses a backpack type offshore wind power complete machine transportation and installation ship, and the transportation and installation ship fixes a barrel-shaped foundation of the offshore wind power complete machine below a ship body through a U-shaped groove with a narrow upper part and a wide lower part arranged at the bow and the tail of the ship, so that simultaneous transportation of a plurality of offshore wind power complete machines is realized. However, in the actual use process, the transportation and installation ship has the problem that the offshore wind power complete machine is difficult to fix in the U-shaped groove, and the improvement of the transportation efficiency of the offshore wind power complete machine is limited.
Disclosure of Invention
In view of the above, the invention aims to provide a back pressure type offshore wind power complete machine transportation and installation ship so as to solve the technical problem of low transportation efficiency of the existing offshore wind power complete machine.
The technical scheme adopted by the invention is as follows: the back pressure type offshore wind power complete machine transportation and installation ship is used for transporting an offshore wind power complete machine with a barrel type foundation, the barrel type foundation comprises a barrel and a wing plate, the wing plate is an annular steel plate arranged at the top of the barrel, and the radial dimension of the annular steel plate is larger than that of the barrel, so that the wing plate is provided with a carrying surface;
the installation ship comprises a ship body, wherein a containing groove for containing the barrel foundation is formed in the ship body, the containing groove comprises an upper grooving part and a lower grooving part which are arranged up and down, the size of the upper grooving part is larger than that of the wing plate, and the size of the lower grooving part is larger than that of the barrel body and smaller than that of the wing plate, so that a supporting deck matched with the carrying surface of the wing plate is formed between the upper grooving part and the lower grooving part;
be equipped with a plurality of location connecting holes on the pterygoid lamina, be equipped with electric lifting column on the support deck, electric lifting column with the location connecting hole forms grafting cooperation can make the hull radial connection of barrel-type basis and storage tank side is fixed. .
Preferably, the width of the annular steel plate is 1 m-10 m, and the thickness is 0.5 m-5 m.
Preferably, lifting equipment is arranged on the ship body at the side surface of the accommodating groove, and the lifting equipment is connected with the cylinder body through a steel wire rope and is used for pulling and/or restraining the cylinder foundation.
Preferably, the number of the accommodating grooves is 1-10.
Preferably, portal frames are arranged on the ship bodies at two sides of the accommodating groove, and the tops of the portal frames are connected with the tower barrel of the offshore wind power complete machine through a hugging device.
The second object of the invention is to provide a method for transporting and installing the back-pressure type offshore wind power complete machine, wherein the method uses the back-pressure type offshore wind power complete machine transporting and installing ship, and the method comprises the following steps:
pulling a plurality of self-floating cylindrical foundations into the accommodating groove, wherein the wing plates are positioned above the supporting deck;
the wing plates are lowered and ballasted on the supporting deck by releasing the air in the cylindrical foundation, and the electric lifting columns are lifted into the positioning connecting holes of the wing plates, so that the radial connection and fixation of the wing plates and the supporting deck at the side surface of the accommodating groove are realized;
hoisting a fan on the cylindrical foundation to form an offshore wind power complete machine;
the radial connection and fixation of the wing plates and the supporting deck are released by the descending of the electric lifting column after the transportation to the installation position;
and floating the injected compressed air upwards and removing the offshore wind power complete machine separated from the supporting deck from the accommodating groove and sinking.
The invention has the beneficial effects that:
1. according to the invention, the wing plates are arranged on the barrel of the barrel-shaped foundation, and after the barrel-shaped foundation is pulled into the accommodating groove of the transport ship, the wing plates on the barrel can be attached to the supporting deck of the transport ship, so that the barrel-shaped foundation is pressed on the ship; meanwhile, after the first connecting part on the wing plate is fixedly connected with the second connecting part on the supporting deck, the cylindrical foundation can be quickly and fixedly connected with the transport ship in the accommodating groove, and the transport efficiency of the offshore wind power complete machine can be improved.
2. According to the invention, the vessel body is provided with the accommodating groove with the wide upper part and the narrow lower part, after the self-floating cylindrical foundation is pulled into the accommodating groove, the cylindrical foundation can be pressed on the supporting deck of the vessel body through the downward movement of the cylindrical foundation, and the wing plate of the cylindrical foundation is fixedly connected with the supporting deck through the positioning connecting pin, so that the fixation of the cylindrical foundation can be realized rapidly, the connection relation between the cylindrical foundation and the vessel body is conveniently released, and the transportation efficiency of the offshore wind power complete machine is greatly improved.
3. The invention can realize the simultaneous transportation and installation of a plurality of offshore wind power complete machines, has the advantages of simple operation, high success rate and high safety and reliability, improves the working efficiency and reduces the construction cost.
Drawings
FIG. 1 is a front view of a cartridge base of the present invention;
FIG. 2 is a top view of a cartridge base of the present invention;
FIG. 3 is a top view of the back pressure offshore wind turbine transport installation vessel of the present invention;
FIG. 4 is a front view of the back pressure offshore wind turbine transportation installation vessel of the present invention;
FIG. 5 is a schematic diagram of the structure of the offshore wind farm complete machine;
FIG. 6 is a front view of the back pressure offshore wind turbine transportation installation vessel in a transport state;
FIG. 7 is a top view of the back pressure offshore wind turbine transport installation vessel in a transport condition;
FIG. 8 is a schematic diagram of the sinking installation state of the offshore wind power complete machine.
The reference numerals in the drawings illustrate:
100. a barrel-type foundation;
110. a cylinder; 120. a wing plate; 130. a first connection portion;
200. a hull;
210. a receiving groove; 220. a second connecting portion; 230. a lifting device; 240. a support deck; 250. a door frame; 260. an upper slotted portion; 270. a lower slot part; 280. a wire rope;
300. a blower;
310. a tower; 320. a nacelle; 330. and (3) a blade.
Description of the embodiments
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1, 2, 5, 6, 7 and 8, a cartridge-type foundation for easy transportation includes:
a cylinder 110;
the wing plate 120 is provided on the top of the cylinder 110, has a mounting surface for fitting the surface of the support deck 240 of the transport and installation vessel, and the wing plate 120 is further provided with a first connection portion 130 for connecting with the support deck 240.
According to the cylindrical foundation 100, the wing plates 120 are arranged on the cylindrical body 110 of the cylindrical foundation 100, and after the cylindrical foundation 100 is pulled into the accommodating groove 210 of the transport ship, the carrying surface (the lower surface of the wing plates 120) of the upper wing plates 120 of the cylindrical body 110 can be attached to the supporting deck 240 of the transport ship under the action of the gravity of the cylindrical foundation 100, so that the cylindrical foundation 100 is ballasted on the transport ship; meanwhile, after the first connecting part 130 on the wing plate 120 is fixedly connected with the second connecting part 220 on the supporting deck 240, the cylindrical foundation 100 can be quickly and fixedly connected with the transport ship in the accommodating groove 210, and the transport efficiency of the offshore wind power complete machine can be improved.
In one embodiment, as shown in fig. 2, the first connection portion 130 is a positioning connection hole. This is so arranged because: the wing plate 120 is provided with a positioning connecting hole, so that the structure is simple and the manufacturing is easy; meanwhile, the fixed connection of the cylindrical foundation 100 and the transport ship can be realized rapidly through the plug connection of the positioning connecting holes and the positioning connecting pins on the supporting deck 240, and the release of the fixed connection of the cylindrical foundation 100 and the transport ship is facilitated.
Preferably, four positioning connection holes are uniformly distributed on the circumference of the wing plate 120.
In one embodiment, as shown in FIG. 2, the wings 120 are annular steel plates. This is so arranged because: the annular steel plate is fixedly connected with the whole outer circumferential surface of the cylinder 110, compared with two fan-shaped steel plates, the connecting area of the wing plate 120 and the cylinder 110 can be increased, and the support deck 240 is beneficial to stably transmitting the acting force of the vertical upward direction of the wing plate 120 to the cylinder 110.
Preferably, the annular steel plate has a width of 1m to 10m and a thickness of 0.5m to 5m.
More preferably, the annular steel plate is integrally formed with the top cover of the cartridge base 100.
In one embodiment, as shown in fig. 2, the cylinder 110 is a semi-closed cylinder structure with an open bottom, and a plurality of sub-cabin structures for improving stability and bearing capacity of the cylinder foundation 100 in transportation and working states are arranged in the cylinder 110; wherein, the diameter of the cylinder 110 is 10 m-50 m, and the height is 4 m-15 m; the number of the sub-cabin structures is 1-20. The top cover of the cylinder 110 is provided with air holes and air valves, wherein the air holes and the air valves are in one-to-one correspondence with the sub-cabin structure, the air holes are used for injecting compressed air into the sub-cabin structure, and the air valves are used for discharging air in the sub-cabin structure; the top cover of the cylinder 110 is also provided with 3 to 10 lifting points, which are connected with the steel wire rope 280 for lifting and sinking the cylinder foundation 100.
As shown in fig. 3, 4 and 6-8, a back pressure type offshore wind power complete machine transportation installation ship for transporting an offshore wind power complete machine with a cylindrical foundation 100 comprises a hull 200, wherein a containing groove 210 for containing the cylindrical foundation 100 is formed on the hull 200, the containing groove 210 comprises an upper grooving part 260 and a lower grooving part 270, the upper grooving part 260 is arranged above the lower grooving part 270, the size of the upper grooving part 260 is larger than that of a wing plate 120, the size of the lower grooving part 270 is larger than that of the barrel 110 and smaller than that of the wing plate 120, a supporting deck 240 overlapped with the wing plate 120 is formed between the upper grooving part 260 and the lower grooving part 270, and a second connecting part 220 which is matched with the first connecting part 130 and fixes the cylindrical foundation 100 on the hull 200 is arranged on the supporting deck 240.
This application is equipped with wide in the top down narrow, step storage tank 210 on hull 200, after the barrel foundation 100 of self-floating state is pulled to storage tank 210 in, the downshift of accessible barrel foundation 100 makes barrel foundation 100 ballast on the support deck 240 of hull 200 under the action of gravity to through locating connection round pin with the pterygoid lamina 120 and the support deck 240 fixed connection of barrel foundation 100, realize barrel foundation 100 and hull 200's fixed connection fast, also be convenient for the dismantlement of barrel foundation 100 and hull 200 relation of connection simultaneously, very big improvement the transportation efficiency of marine wind power complete machine.
In one embodiment, the second connection portion 220 is a positioning connection pin. This is so arranged because: the plug-in matching of the positioning connecting pin and the positioning connecting hole not only has the advantage of simple structure, but also facilitates the release of the fixed connection relation between the later-stage barrel foundation 100 and the ship 200.
Preferably, the positioning connecting pin is an electric lifting column.
In a specific embodiment, as shown in fig. 3 and 4, a lifting device 230 is provided on the hull 200 at the side of the receiving groove 210, and the lifting device 230 is connected to a lifting point on the top cover of the cylinder 110 through a wire rope 280, so as to pull and/or restrain the cylinder foundation 100. This is so arranged because: a lifting device 230 is arranged on the ship body 200 at the side surface of the accommodating groove 210, and after the lifting device 230 is connected with the cylindrical foundation 100 through a steel wire rope 280, the cylindrical foundation 100 in a self-floating state can be pulled into the accommodating groove 210 through the dragging action of the lifting device 230 on the cylindrical foundation 100; after the cylindrical foundation 100 is fixedly connected with the supporting deck 240, horizontal tension can be applied to the cylindrical foundation 100 through the hoisting equipment 230 and the steel wire rope 280, so that synchronous movement of the cylindrical foundation 100 and the ship body 200 is ensured; meanwhile, when the offshore wind power complete machine is installed in a sinking mode, the lifting equipment 230 further keeps the cylindrical foundation 100 stably sinking through the steel wire rope 280.
Preferably, the apparatus is disposed at the bottom of the receiving groove 210 and on the both side hulls 200.
In one embodiment, the number of the accommodating grooves 210 is 1 to 10. This is so arranged because: when the number of the accommodating grooves 210 is two or more, the transportation of the plurality of offshore wind turbines can be realized and the transportation efficiency can be improved compared with the single-machine towing of the offshore wind turbines.
Preferably, the number of the receiving grooves 210 is even and is disposed in the hull 200 in a mirror symmetry. This is so arranged because: when a plurality of offshore wind power complete machines are transported, the stress on each part of the ship body 200 can be uniform; meanwhile, after a single offshore wind power complete machine is sunk, the stress of the ship body 200 can be uniform by adjusting the draft of the cylindrical foundation 100 opposite to the single offshore wind power complete machine.
In a specific embodiment, as shown in fig. 4 and 6, door frames 250 corresponding to the accommodating grooves 210 one by one are provided on the hulls 200 at both sides of the accommodating grooves 210, two legs of the door frames 250 are fixedly connected with the hulls 200 at both sides of the accommodating grooves 210 one by one, and the top is detachably connected with the tower 310 of the fan 300 through a hugging device (not shown in the prior art). This is so arranged because: the stability of the blower 300 during transportation can be improved by connecting the door frame 250 with the tower 310 of the blower 300; meanwhile, the bottom of the gate frame 250 is fixedly connected with the hull 200 at both sides of the receiving groove 210, and the structural strength of the hull 200 can be improved.
Preferably, the portal frame 250 includes a steel truss structure, the bottom end of which is fixedly connected with the hull 200, and a flexible material disposed between the steel truss structure and the tower 310 for restricting movement of the tower 310, wherein the top has an opening and closing structure capable of encircling the tower 310. Wherein the flexible material can be an air cushion or a rubber cushion.
The embodiment of the method for transporting and installing the back-pressure type offshore wind power complete machine comprises the following steps of:
the self-floating cylinder foundation 100 is drawn into the receiving groove 210.
The method specifically comprises the following steps: after the prefabrication of the cylindrical foundation 100 is completed on land, the cylindrical foundation 100 is hoisted into the sea, and the self-floating capacity of the cylindrical foundation 100 is utilized to stably tow to the notch position of one containing groove 210 of the ship body 200; the draft of the cylindrical foundation 100 is adjusted by injecting compressed air into the inner cavity of the cylindrical foundation 100 so that the wing plates 120 of the cylindrical foundation 100 are higher than the supporting decks 240 of the ship 200, the cylindrical foundation 100 is connected with the lifting devices 230 on the ship 200 through the steel wire ropes 280, and the cylindrical foundation 100 is pulled into the accommodating groove 210 by the lifting devices 230.
It should be noted that, the top of the barrel foundation 100 is provided with a transition section, which is a hollow structure, and an upper opening of the transition section is used for being connected with the tower 310 of the fan 300. The diameter of the upper opening of the transition section is 7m, the diameter of the lower opening is 12m, and the height is 16m; in general, the typical upper orifice diameter of the transition section is selected in the range of 7m to 10m, the lower orifice diameter is selected in the range of 10m to 20m, and the height is selected in the range of 10m to 60m.
The first connection 130 of the wing plate 120 is moved down and connected and fixed with the second connection 220 on the support deck 240 by releasing the air inside the barrel foundation 100.
The method specifically comprises the following steps: by opening the air valve on the top cover of the tubular foundation 100, the compressed air in the inner cavity of the tubular foundation 100 is released, so that the wing plate 120 slowly descends and contacts the supporting deck 240 until the pressure between the wing plate 120 and the supporting deck 240 reaches a set value, and the air valve is closed; the positioning connection pins are inserted into the positioning connection holes on the wing plates 120 to complete the fixed connection of the cylindrical foundation 100 and the ship body 200, and the steel wire ropes 280 between the hoisting equipment 230 and the cylindrical foundation 100 are tensioned to complete the binding and fixing of the ship body 200 and the cylindrical foundation 100.
The wind turbine 300 is hoisted on the cylindrical foundation 100 to form an offshore wind power complete machine.
The method specifically comprises the following steps: the hoisting of the tower 310, the nacelle 320 and the blades 330 of the wind turbine 300 is sequentially completed by using land hoisting equipment, the installation of the seawater wind power complete machine is completed, and the portal frame 250 is connected with the tower 310 of the wind turbine 300 after the debugging is completed, so that the wind turbine 300 in the transportation process is protected.
It should be noted that, after the wind turbine 300 is hoisted to the barrel-shaped foundation 100, the draft of the barrel-shaped foundation 100 can be adjusted as required, so that the pressure between the wing plate 120 and the supporting deck 240 meets the requirement, and the hull 200 only bears a small part of the weight of the offshore wind turbine.
Transported to the installation site and disconnected from the first and second connection parts 130 and 220.
The method specifically comprises the following steps: after the transport installation ship goes to the offshore wind farm, the connection relation between the tower 310 and the portal frame 250 is released, and then the binding fixation and the splicing fixation of the cylindrical foundation 100 and the hull 200 are released.
The offshore wind power complete machine floating up with the injected compressed air is moved out of the accommodating groove 210 and sunk.
The method specifically comprises the following steps: firstly, compressed air is injected into the inner cavity of the cylindrical foundation 100 by utilizing an air hole on the top cover of the cylindrical foundation 100, so that the wing plates 120 of the cylindrical foundation 100 ascend and are separated from the supporting deck 240 of the ship 200; then the self-floating offshore wind power complete machine is pulled out of the accommodating groove 210 by using the lifting equipment 230 on the ship body 200; then an air valve on the top cover of the cylindrical foundation 100 is opened, and the offshore wind power complete machine is slowly lowered to the sea bottom; finally, the cylindrical foundation 100 is sunk to the designed depth by utilizing negative pressure sinking construction, and the hoisting equipment is unhooked and sailed.
Compared with the prior art, the application has the following beneficial technical effects:
the method for installing the whole offshore wind power machine can realize the whole offshore wind power machine transportation; in the transportation process, the transportation and installation ship not only provides towing stability for the offshore wind power complete machine, but also provides partial bearing capacity for the offshore wind power complete machine, improves the safety and reliability of the offshore wind power complete machine in the transportation process, is easy to operate and high in success rate, does not need to start large hoisting machinery and transportation ships for offshore operation for the large offshore wind power complete machine, and can greatly reduce the installation and transportation cost compared with the existing complete machine installation technology. Meanwhile, the barrel type foundation, the tower barrel, the engine room and the blades can keep the same posture from manufacture and transportation to use, so that the risk of damage to each component of the fan is reduced to the greatest extent, the structural damage-resistant requirement is met, and the construction cost is further reduced.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (6)

1. A back pressure type offshore wind power complete machine transportation and installation ship is used for transporting an offshore wind power complete machine with a cylindrical foundation and is characterized in that,
the cylindrical foundation (100) comprises a cylinder body (110) and a wing plate (120), wherein the wing plate (120) is an annular steel plate arranged at the top of the cylinder body (110), and the radial dimension of the annular steel plate is larger than that of the cylinder body (110), so that the wing plate (120) is provided with a carrying surface;
the installation vessel comprises a hull (200), wherein a containing groove (210) for containing the cylindrical foundation (100) is formed in the hull (200), the containing groove (210) comprises an upper grooving part (260) and a lower grooving part (270) which are arranged up and down, the size of the upper grooving part (260) is larger than that of the wing plate (120), the size of the lower grooving part (270) is larger than that of the cylinder (110) and smaller than that of the wing plate (120), and a supporting deck (240) matched with the carrying surface of the wing plate (120) is formed between the upper grooving part (260) and the lower grooving part (270);
be equipped with a plurality of location connecting holes on pterygoid lamina (120), be equipped with electric lifting column on supporting deck (240), electric lifting column with location connecting hole forms grafting cooperation can make barrel foundation (100) radially are connected fixedly with hull (200) of holding groove (210) side.
2. The back pressure type offshore wind power complete machine transportation installation ship according to claim 1, wherein the width of the annular steel plate is 1 m-10 m, and the thickness of the annular steel plate is 0.5 m-5 m.
3. The back pressure offshore wind power complete machine transportation installation vessel according to claim 1, wherein a lifting device (230) is arranged on the hull (200) at the side of the accommodating groove (210), and the lifting device (230) is connected with the cylinder (110) through a steel wire rope (280) and is used for pulling and/or restraining the cylinder foundation (100).
4. The back pressure offshore wind power complete machine transportation installation ship according to claim 1, wherein the number of the accommodating grooves (210) is 1-10.
5. The back pressure type offshore wind power complete machine transportation installation ship according to claim 1, wherein portal frames (250) are arranged on the ship bodies (200) on two sides of the accommodating groove (210), and the tops of the portal frames (250) are connected with tower cylinders (310) of the offshore wind power complete machine through enclasping devices.
6. A method for transporting and installing a back-pressure offshore wind power complete machine, which uses the back-pressure offshore wind power complete machine transportation and installation ship as claimed in any one of claims 1 to 5, and is characterized by comprising the following steps:
-drawing a plurality of self-floating cylindrical foundations (100) into the receiving slots (210), with the wings (120) above a support deck (240);
the wing plates (120) are lowered and ballasted on the supporting decks (240) by releasing air in the cylindrical foundation (100), and the electric lifting columns are lifted into the positioning connecting holes of the wing plates (120), so that radial connection and fixation of the wing plates (120) and the side supporting decks (240) of the accommodating grooves (210) are realized;
hoisting a fan (300) on the cylindrical foundation (100) to form an offshore wind power complete machine;
the radial connection and fixation of the wing plates (120) and the supporting deck (240) are released by the descending of the electric lifting column when the electric lifting column is transported to the installation position;
and (3) floating the injected compressed air and removing the offshore wind power complete machine separated from the supporting deck (240) out of the accommodating groove (210) and sinking.
CN202210239532.5A 2022-03-11 2022-03-11 Back pressure type offshore wind power complete machine transportation and installation ship and method Active CN114670976B (en)

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NO315898B1 (en) * 2001-11-21 2003-11-10 Mpu Entpr As Ballastable lifting vessel and method for using a ballastable lifting vessel for lifting, transporting, positioning and installation of at least ± nmarin construction, preferably ± n or more wind turbines
FR2948092B1 (en) * 2009-07-15 2015-01-23 Saipem Sa CATAMARAN-TYPE BOAT USEFUL FOR ASSEMBLY, TRANSPORT AND REMOVAL AT THE BOTTOM OF THE MARITIME WINDWATER SEA
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US9446825B1 (en) * 2013-12-10 2016-09-20 Hugh Francis Gallagher Self-propelled, catamaran-type, dual-application, semisubmersible ship with hydrodynamic hulls and columns
CN103939300B (en) * 2014-04-17 2016-03-30 天津大学 A kind of complete offshore wind power machine installation method

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