CN113847209B - Assembling equipment and assembling method for offshore wind power impeller - Google Patents
Assembling equipment and assembling method for offshore wind power impeller Download PDFInfo
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- CN113847209B CN113847209B CN202111234352.XA CN202111234352A CN113847209B CN 113847209 B CN113847209 B CN 113847209B CN 202111234352 A CN202111234352 A CN 202111234352A CN 113847209 B CN113847209 B CN 113847209B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 49
- 238000004873 anchoring Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000010408 sweeping Methods 0.000 claims description 2
- 210000001364 upper extremity Anatomy 0.000 claims 2
- 238000003032 molecular docking Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses an assembling device and an assembling method of an offshore wind power impeller, belonging to the field of offshore wind power engineering, and the assembling device of the offshore wind power impeller comprises: the hub seat is welded and fixed on a deck of the installation ship, and a flange plate is arranged at the upper end of the hub seat; the hub is fixed on the flange plate, three first interfaces are uniformly distributed on the hub along the circumferential direction, and first guide pieces are arranged in the first interfaces; the blade tips and the blade roots of the three blades are provided with lifting lugs, the blade roots are provided with second interfaces, second guide pieces are arranged in the second interfaces, the second guide pieces are used for being matched with the first guide pieces, the second interfaces are aligned to the first interfaces, and the second interfaces are used for being connected with the first interfaces, so that the blades are fixed on the hub; and the hoisting device comprises a main hoisting machine and an auxiliary hoisting machine, the main hoisting machine and the auxiliary hoisting machine are both arranged on a deck of the installation ship, the main hoisting machine is connected with the lifting lugs through the hanging strips, and the auxiliary hoisting machine is connected with the lifting lugs on the blade roots through the hanging strips.
Description
Technical Field
The invention relates to the field of offshore wind power engineering, in particular to equipment and a method for assembling an offshore wind power impeller.
Background
Wind energy is a clean and pollution-free renewable energy source, so that wind power generation is increasingly paid attention by people. The wind power generation has higher requirements on wind power and wind speed, and the advantages of high wind speed, stable wind power, no land resource occupation and the like on the ocean can be fully utilized when a wind power facility is built on the sea. However, when offshore wind power generation equipment is built, transportation and installation of large-scale wind power equipment need to be completed at sea. Compared with wind power equipment construction on land, the difficulty of offshore construction is much higher.
In offshore wind power plants, the impeller is difficult to transport when assembled, so that the hub and the blades, which are not assembled, are usually transported separately and the impeller is assembled offshore. The existing offshore impeller assembly is similar to the assembly of an impeller on land, a crane is used for sequentially lifting blades and assembling the blades on a hub, and the hub fixed on an offshore wind power installation ship is not rotatable, so that the blade transport ship and a positioning barge need to be moved for many times in the process, the blade transport ship and the positioning barge need to be repositioned every time of movement, the construction efficiency is low, and the positioning in the impeller assembly process can be influenced by sea wind waves.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and therefore the invention provides the assembling equipment of the offshore wind power impeller, which can assist the positioning of the blade and the hub in the assembling process of the impeller and improve the construction efficiency.
Another object of the invention is to propose a method of assembling an offshore wind power impeller.
According to the embodiment of the invention, the assembling equipment of the offshore wind power impeller comprises: the hub seat is welded and fixed on a deck of the installation ship, the hub seat is in a hollow cylindrical shape, a plurality of square tubes are arranged at the lower end of the hub seat and are uniformly distributed along the circumferential direction of the hub seat, the square tubes are all welded and fixed on the deck, and a flange plate is arranged at the upper end of the hub seat; the hub is fixed on the flange plate, three first interfaces are uniformly distributed on the hub along the circumferential direction, and first guide pieces are arranged in the first interfaces; the blade tip and the blade root of each blade are provided with lifting lugs, the blade root is provided with a second interface, a second guide piece is arranged in the second interface, the second guide piece is used for being matched with the first guide piece, so that the second interface is aligned to the first interface, and the second interface is used for being connected with the first interface, so that the blades are fixed on the hub; and the hoisting device comprises a main hoisting machine and an auxiliary hoisting machine, the main hoisting machine and the auxiliary hoisting machine are both arranged on a deck of the installation ship, the main hoisting machine is connected with the lifting lugs through the hanging strips, and the auxiliary hoisting machine is connected with the lifting lugs on the blade roots through the hanging strips.
The assembling equipment for the offshore wind power impeller according to the embodiment of the first aspect of the invention has at least the following beneficial effects: because the blade is lifted by crane and is accomplished the equipment through the loop wheel machine, marine stormy waves are great, the blade that is lifted is shaken easily, lead to first interface unable alignment second interface, consequently set up first guide in first interface, set up the second guide in the second interface, first guide can contact in great error range with the second guide, and guide first interface and aim at the second interface, the operation of adjusting the blade position has been avoided repeatedly, operating personnel's the operation degree of difficulty has been reduced, construction efficiency is improved.
According to some embodiments of the invention, the first interface is an annular groove opening on an end face of the hub, and the second interface is an annular sleeve arranged on an end face of the blade root.
According to some embodiments of the invention, the first guiding element is a positioning hole, the positioning hole is formed in an end face of the hub, and the positioning hole is gradually narrowed towards the inner side of the hub.
According to some embodiments of the invention, the second guiding element is a positioning column, the positioning column is arranged on the end surface of the blade root, the positioning column is perpendicular to the end surface of the blade root, and the length of the positioning column is greater than the length of the annular sleeve.
According to some embodiments of the invention, a reinforcement plate is disposed between the positioning post and the annular sleeve.
According to some embodiments of the invention, the top end of the positioning post is provided with a conical tip.
According to some embodiments of the invention, the hub seats are arranged on the starboard side of the installation vessel, the main crane is arranged on the starboard side of the installation vessel, and the auxiliary crane is arranged on the port side of the installation vessel.
According to some embodiments of the present invention, the hub seat is further provided with a plurality of rib plates, the rib plates are uniformly distributed along the circumferential direction of the hub seat, and the rib plates are located between the outer side surface of the hub seat and the flange plate.
According to some embodiments of the invention, the square tube is provided with six.
The assembling method of the offshore wind power impeller comprises the following steps: towing a positioning barge to the left side of an installation ship by an anchor boat, anchoring the positioning barge at the left side of the installation ship, stopping a blade transport ship between the positioning barge and the installation ship, fixing three blades on the blade transport ship, binding the blade transport ship on the side of the positioning barge by using a cable, and mooring the positioning barge to move the blade transport ship to a hoisting position;
respectively tying wind cables at the blade root and the blade tip of the blade, removing fastening screws between the blade root and the blade transport ship, connecting an auxiliary crane with a lifting lug at the blade root through a hanging strip, connecting a main crane with the lifting lug at the blade tip through the hanging strip, and keeping the hanging strips at the two sides parallel;
the crane lifts the blade, the orientation of the blade is adjusted by adjusting the rotation angle of the crane and pulling the cable rope, the crane drives the blade to penetrate through the pile leg of the installation ship, and the blade root is aligned to the hub;
the crane drives the blade to move towards the hub, the second guide piece at the blade root is firstly contacted with the first guide piece on the hub, the second interface is assisted to be aligned with the first interface, and the second interface is connected with the first interface, so that the blade is fixed on the hub.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural view of an assembling apparatus of an offshore wind power impeller according to an embodiment of the present invention;
FIG. 2 is a top view of the assembly apparatus of the offshore wind turbine shown in FIG. 1 prior to assembly of the turbine;
FIG. 3 is a top view of the assembly apparatus of the offshore wind power impeller shown in FIG. 1;
FIG. 4 is a schematic structural view of the hub seat and hub illustrated in FIG. 1;
FIG. 5 is a schematic view of the blade shown in FIG. 1 at the root thereof;
FIG. 6 is a sectional view of the assembly apparatus of the offshore wind power impeller shown in FIG. 1 after assembly of the impeller.
Reference numerals:
a hub seat 100; a square tube 110; a flange 120;
a hub 200; a first interface 210; a first guide 220;
a blade 300; a blade tip 310; a blade root 320; a second interface 330; a second guide 340; a reinforcing plate 350;
the vessel 1 is installed.
A hoisting device for positioning the barge; a main crane; auxiliary hoisting machines; a rib plate; blade transport ship, locating hole, reference column, ring sleeve, annular groove
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
An assembling apparatus and an assembling method of an offshore wind power impeller according to an embodiment of the present invention are described with reference to fig. 1 to 6.
As shown in fig. 1 to 6, the assembling apparatus of an offshore wind power impeller according to an embodiment of the present invention includes: the hub base 100 is welded and fixed on a deck of an installation ship 1, the hub base 100 is in a hollow cylindrical shape, a plurality of square tubes 110 are arranged at the lower end of the hub base 100, the square tubes 110 are uniformly distributed along the circumferential direction of the hub base 100, the square tubes 110 are welded and fixed on the deck, and a flange plate 120 is arranged at the upper end of the hub base 100; the hub 200 is fixed on the flange plate 120, three first connectors 210 are uniformly distributed on the hub 200 along the circumferential direction, and first guide parts 220 are arranged in the first connectors 210; the blade tip 310 and the blade root 320 of the blade 300 are both provided with lifting lugs, the blade root 320 is provided with a second interface 330, the second interface 330 is provided with a second guide 340, the second guide 340 is used for matching with the first guide 220 to enable the second interface 330 to be aligned with the first interface 210, and the second interface 330 is used for being connected with the first interface 210 to enable the blade 300 to be fixed on the hub 200; the hoisting device comprises a main hoisting machine and an auxiliary hoisting machine, wherein the main hoisting machine and the auxiliary hoisting machine are both arranged on a deck of the installation ship 1, the main hoisting machine is connected with a lifting lug on the blade tip 310 through a hoisting belt, and the auxiliary hoisting machine is connected with the lifting lug on the blade root 320 through the hoisting belt.
For example, as shown in fig. 1 to 6, a hub base 100 is welded and fixed on a deck of the wind power installation vessel 1, a plurality of square tubes 110 are arranged at the lower end of the hub base 100, the square tubes 110 are uniformly arranged along the circumferential direction of the hub base 100 and extend out in the direction away from the hub base 100, and the joints of the square tubes 110 and the deck are fully welded. Since the hub base 100 is subjected to a large load when the blades 300 are assembled to the hub 200, the anti-overturning capability of the hub base 100 is enhanced by adding the square tubes 110 in order to ensure the reliability of the hub base 100. The hub base 100 is provided at an upper end thereof with a flange 120 for connection to a hub 200, and the hub 200 can be mounted on the hub base 100 in an orientation for easy assembly. Three first interfaces 210 are arranged on the hub 200, and are respectively used for butting against the second interfaces 330 of the three blades 300, so that the blades 300 are installed on the hub 200 in the correct direction through the butting of the first interfaces 210 and the second interfaces 330. Because the blade 300 is lifted by the crane to complete the assembly, the sea wave is large, the lifted blade 300 is easy to swing, and the first interface 210 cannot be aligned with the second interface 330, therefore, the first guide piece 220 is arranged in the first interface 210, the second guide piece 340 is arranged in the second interface 330, the first guide piece 220 and the second guide piece 340 can be contacted in a large error range, and the first interface 210 is guided to be aligned with the second interface 330, the operation of repeatedly adjusting the position of the blade 300 is avoided, the operation difficulty of operators is reduced, and the construction efficiency is improved.
In some embodiments of the present invention, the first interface 210 is an annular groove formed in the end surface of the hub 200, and the second interface 330 is an annular sleeve formed in the end surface of the blade root 320. The first guiding element 220 is a positioning hole, which is formed on the end surface of the hub 200 and gradually narrows toward the inner side of the hub 200. The second guiding part 340 is a positioning column, the positioning column is arranged on the end face of the blade root 320 and perpendicular to the end face of the blade root 320, the length of the positioning column is larger than that of the annular sleeve, a reinforcing plate 350 is arranged between the positioning column and the annular sleeve, and a conical tip is arranged at the top end of the positioning column.
For example, as shown in fig. 4 to 6, the first guide member 220 is a positioning hole, the positioning hole is a tapered hole, a diameter of the tapered hole near the end surface of the hub 200 is larger than a diameter of the tapered hole far from the end surface of the hub 200, the positioning post is a cylinder extending out of the annular sleeve, and a conical tip is disposed at one end of the cylinder far from the blade root 320, when the blade root 320 of the blade 300 driven by the crane moves toward the hub 200, the conical tip first contacts with a wall surface of the tapered hole, and since the tapered hole gradually narrows toward the inner side of the hub 200, the positioning post gradually approaches an axis of the tapered hole during the movement, and finally the positioning post is coaxial with the tapered hole, and at this time, the annular sleeve is also coaxial with the annular groove, so that the annular sleeve can be easily inserted into the annular groove, and the blade 300 is fixed to the hub 200. A reinforcing plate 350 is arranged between the positioning column and the annular sleeve, so that the positioning column is prevented from bending and deforming in the guiding process, and the blade 300 is not aligned with the hub 200 in a butt joint mode.
In some embodiments of the invention, the hub seats 100 are arranged on the starboard side of the installation vessel 1, the main crane is arranged on the starboard side of the installation vessel 1, and the auxiliary crane is arranged on the port side of the installation vessel 1.
In some embodiments of the present invention, the hub base 100 is further provided with a plurality of ribs, the ribs are uniformly distributed along the circumferential direction of the hub base 100, and the ribs are located between the outer side surface of the hub base 100 and the flange 120. The ribs further enhance the strength of the hub seat 100.
The assembling method of the offshore wind power impeller comprises the following steps:
the anchor boat is towed to the left of the installation ship 1, the positioning barge is anchored at the left side of the installation ship 1, the blade transport ship is docked between the positioning barge and the installation ship 1, three blades 300 are fixed on the blade transport ship, the blade transport ship is tied to the side of the positioning barge by using cables, and the blade transport ship is moved to a hoisting position by the anchor mooring positioning barge;
respectively tying wind cables at the blade root 320 and the blade tip 310 of the blade 300, removing fastening screws between the blade root 320 and a blade transport ship, connecting an auxiliary crane with a lifting lug at the blade root 320 through a hanging strip, connecting a main crane with the lifting lug at the blade tip 310 through the hanging strip, and keeping the hanging strips at the two sides parallel;
the crane lifts the blade 300, the orientation of the blade 300 is adjusted by adjusting the rotation angle of the crane and pulling the cable rope, the crane drives the blade 300 to pass through the spud leg of the installation vessel 1, and the blade root 320 is aligned with the hub 200;
the crane drives the blade 300 to move towards the hub 200, the second guide 340 at the blade root 320 contacts the first guide 220 on the hub 200 first, the auxiliary second interface 330 is aligned with the first interface 210, and the second interface 330 is connected with the first interface 210, so that the blade 300 is fixed on the hub 200.
Specifically, the hub base 100 is welded to the deck on the starboard side of the installation vessel 1, the hub 200 is fixed to the hub base 100, and the positioning barge is positioned on the port side of the installation vessel 1. Three blades 300 are fixed on a blade transport ship, the blade transport ship is parked between a positioning barge and an installation ship 1, the bow of the blade transport ship is in the same direction as that of the installation ship 1, the blade transport ship is tied to the side of the positioning barge by using a cable, and the blade transport ship is moved to a hoisting position by anchoring the positioning barge.
The blade 300 is prevented from rotating by respectively tying a guy rope at the blade root 320 and the blade tip 310 of the blade 300, and the blade tip 310 is prevented from being damaged by the guy rope through a protective sleeve. And (3) detaching the tool fastening bolt of the blade root 320, connecting the auxiliary crane with the lifting eye of the blade root 320 through the lifting belt, hanging the lifting eye of the long lifting belt connected with the blade tip 310 by the main crane through the lifting hook, and keeping the lifting belts at the two sides parallel. The auxiliary crane on the left side of the installation ship 1 lifts the blade root 320, the main crane on the right side of the installation ship 1 lifts the blade tip 310, the main crane and the auxiliary crane lift the blade 300 slowly, the orientation of the blade 300 is adjusted by adjusting the lifting amplitude and rotation dispatching of the cranes and pulling a cable rope by an operator, the two cranes firstly move the blade 300 to a position between a front pile leg and a rear pile leg of the installation ship 1 and penetrate through the position between the front pile leg and the rear pile leg on the left side, and the blade 300 penetrates out of a position between the front pile leg and the rear pile leg on the right side of the installation ship 1 after sweeping the deck of the installation ship 1, so that the blade root 320 is aligned with the hub 200. The crane drives the blade 300 to move towards the hub 200, the conical tip contacts with the wall surface of the conical hole first, the positioning column can be gradually close to the axis of the conical hole in the moving process, the positioning column is coaxial with the conical hole finally, the annular sleeve is coaxial with the annular groove at the moment, and the annular sleeve is inserted into the annular groove to complete the assembly of the first blade 300.
The assembly process of the second blade 300 is similar to the assembly process of the first blade 300, and the assembly process of the third blade 300 is to perform subsequent butt assembly between the front and rear legs on the starboard side of the installation vessel 1 after the two cranes move the blade 300 between the front and rear legs of the installation vessel 1 and penetrate between the front and rear legs on the port side without penetrating between the front and rear legs on the starboard side of the installation vessel 1, so that the assembly of the three blades 300 is completed.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. An assembling method of an offshore wind power impeller, the assembling method being applied to an assembling apparatus of an offshore wind power impeller, characterized in that the assembling apparatus comprises:
the hub base (100) is welded and fixed on a deck of an installation ship (1), the hub base (100) is in a hollow cylindrical shape, a plurality of square pipes (110) are arranged at the lower end of the hub base (100), the square pipes (110) are uniformly distributed along the circumferential direction of the hub base (100), the square pipes (110) are welded and fixed on the deck, and a flange plate (120) is arranged at the upper end of the hub base (100);
the hub (200) is fixed on the flange plate (120), three first connectors (210) are uniformly distributed on the hub (200) along the circumferential direction, and first guide pieces (220) are arranged in the first connectors (210);
the blade comprises three blades (300), lifting lugs are arranged on a blade tip (310) and a blade root (320) of each blade (300), a second interface (330) is arranged on the blade root (320), a second guide piece (340) is arranged in the second interface (330), the second guide piece (340) is used for being matched with the first guide piece (220), so that the second interface (330) is aligned to the first interface (210), the second interface (330) is used for being connected with the first interface (210), so that the blade (300) is fixed on the hub (200), the first guide piece (220) is a positioning hole, the positioning hole is formed in the end face of the hub (200), and the positioning hole is gradually narrowed towards the inner side of the hub (200);
the first interface (210) is an annular groove, the annular groove is formed in the end face of the hub (200), the second interface (330) is an annular sleeve, and the annular sleeve is arranged on the end face of the blade root (320);
the second guide piece (340) is a positioning column, the positioning column is arranged on the end face of the blade root (320), the positioning column is perpendicular to the end face of the blade root (320), and the length of the positioning column is greater than that of the annular sleeve;
the lifting device comprises a main crane and an auxiliary crane, the main crane and the auxiliary crane are both arranged on a deck of the installation ship (1), the main crane is connected with lifting lugs through lifting straps, and the auxiliary crane is connected with the lifting lugs on the blade roots (320) through the lifting straps;
the main crane and the auxiliary crane slowly lift the blade (300), the orientation of the blade (300) is adjusted by adjusting the lifting amplitude and the rotation dispatching of the cranes and pulling a cable rope by an operator, the blade (300) is moved to a position between a front pile leg and a rear pile leg of the installation ship (1) by the two cranes, the blade penetrates through a space between the front pile leg and the rear pile leg of a port side, the blade (300) penetrates through a space between the front pile leg and the rear pile leg of a starboard side of the installation ship (1) after sweeping a deck of the installation ship (1), the blade root (320) is aligned with the first interface (210) of the hub (200), and the cranes drive the blade (300) to move towards the first interface (210) to complete the assembly of the first blade;
the assembly process of the second blade is similar to the assembly process of the first blade described above, and in the assembly process of the third blade, after two cranes move the blade (300) between the front leg and the rear leg of the installation vessel (1) and penetrate between the front leg and the rear leg on the port side, the blade root (320) is aligned with the first interface (210) of the hub (200), and the cranes drive the blade (300) to move towards the first interface (210).
2. Method for assembling an offshore wind power impeller according to claim 1, characterized in that a reinforcement plate (350) is provided between the positioning post and the annular sleeve.
3. Method for assembling an offshore wind power impeller according to claim 1, characterized in that the top end of the positioning post is provided with a conical tip.
4. Method of assembling an offshore wind power impeller according to claim 1, characterized in that the hub seat (100) is provided starboard the installation vessel (1), the main crane is provided starboard the installation vessel (1), and the auxiliary crane is provided port the installation vessel (1).
5. The assembling method of an offshore wind turbine impeller according to claim 1, wherein a plurality of ribs are further provided on the hub base (100), the ribs are uniformly distributed along the circumferential direction of the hub base (100), and the ribs are located between the outer side surface of the hub base (100) and the flange (120).
6. Method for assembling an offshore wind power impeller according to claim 1, characterized in that said square tube (110) is provided with six.
7. A method of assembling an offshore wind power impeller, using the offshore wind power impeller assembling apparatus of claim 1, the method comprising:
towing a positioning barge to the port side of the installation ship (1) by an anchor boat, anchoring the positioning barge to the left side of the installation ship (1), docking a blade carrier ship between the positioning barge and the installation ship (1), fixing three blades (300) on the blade carrier ship, tying the blade carrier ship to the side of the positioning barge by using a cable, and winching the positioning barge to move the blade carrier ship to a hoisting position;
respectively tying a wind cable at the blade root (320) and the blade tip (310) of the blade (300), detaching a fastening screw between the blade root (320) and the blade transport ship, connecting the auxiliary crane with a lifting lug at the blade root (320) through a hanging strip, connecting the main crane with the lifting lug at the blade tip (310) through a hanging strip, and keeping the hanging strips at the two sides parallel;
lifting the blade (300) by a crane, adjusting the orientation of the blade (300) by adjusting the rotation angle of the crane and pulling a cable rope, driving the blade (300) to pass through a pile leg of the installation vessel (1) by the crane, and aligning the blade root (320) with the hub (200);
the crane drives the blade (300) to move towards the hub (200), the second guide (340) at the blade root (320) is firstly contacted with the first guide (220) on the hub (200), the second interface (330) is assisted to be aligned with the first interface (210), and the second interface (330) is connected with the first interface (210) so that the blade (300) is fixed on the hub (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234352.XA CN113847209B (en) | 2021-10-22 | 2021-10-22 | Assembling equipment and assembling method for offshore wind power impeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234352.XA CN113847209B (en) | 2021-10-22 | 2021-10-22 | Assembling equipment and assembling method for offshore wind power impeller |
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| Publication Number | Publication Date |
|---|---|
| CN113847209A CN113847209A (en) | 2021-12-28 |
| CN113847209B true CN113847209B (en) | 2023-03-31 |
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| CN114753969A (en) * | 2022-03-24 | 2022-07-15 | 江苏亨通蓝德海洋工程有限公司 | Fan blade assembly mounting structure and mounting construction process thereof |
| CN117703678B (en) * | 2023-12-07 | 2024-07-26 | 中天科技集团海洋工程有限公司 | Impeller assembling process for large-scale offshore wind driven generator |
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