A method for rapid installation of offshore wind turbines

Abstract

A rapid installation method for offshore wind turbines includes the following steps: (1) An auxiliary installation device is installed on the deck of a crane vessel; the crane vessel arrives at the designated location and is positioned; (2) The wind turbine tower and the wind turbine hub are fixed to the deck of the crane vessel via the auxiliary installation device; (3) The wind turbine tower and the wind turbine hub are pre-fixed to the deck of the crane vessel via the auxiliary installation device; (4) When the crane vessel arrives at the designated wind turbine foundation location, the crane vessel first installs the wind turbine tower on the wind turbine foundation; (5) The crane vessel hoists the wind turbine tower and the wind turbine hub together onto the wind turbine tower; (6) The crane vessel hoists the wind turbine tower and the wind turbine hub together onto the wind turbine tower. This invention fully utilizes the construction waiting time to hoist the wind turbine tower and the wind turbine hub together, thereby improving efficiency and accelerating the operation time.

Description

Technical Field

[0001] This invention relates to the field of offshore wind turbine installation, specifically a method for rapid installation of offshore wind turbines. Background Technology

[0002] After the foundation of an offshore wind turbine is installed, the turbine tower and hub need to be installed on the foundation. Due to the harsh offshore construction environment, the short effective installation time, and the fact that wind turbines consist of large and heavy components, large crane vessels are required to complete the operation. Therefore, it is necessary to optimize the turbine installation process to improve efficiency and save costs. Summary of the Invention

[0003] This invention provides a rapid installation method for offshore wind turbines; this invention meets the need for rapid installation of wind turbine towers and hubs, and has the advantages of short installation time, high efficiency, safety, and reliability.

[0004] The technical solution adopted by this invention to solve its technical problem is:

[0005] A rapid installation method for offshore wind turbines, comprising the following steps: wind turbine tower 1A, wind turbine tower 2B, wind turbine tower 3C, wind turbine tower 4D, wind turbine hub 5, and offshore wind turbine foundation 7, assembled into a whole using an auxiliary installation device 6 and a crane vessel 8.

[0006] Step 1: The auxiliary installation device 6 is installed on the deck of the crane vessel 8; the crane vessel 8 arrives at the designated position and is positioned.

[0007] Step 2: The crane vessel 8 hoists and assembles the wind turbine tower 1A with the wind turbine foundation 7 and tightens the bolts;

[0008] Step 3: Wind turbine tower 2B and wind turbine tower 3C are assembled using the time it takes for wind turbine tower 1A to be bolted to wind turbine foundation 7. The two are then fixed to the deck of crane vessel 8 via auxiliary installation device 6.

[0009] Step 4: Untie the auxiliary installation device 6; the crane vessel 8 hoists and assembles the wind turbine tower 2B and wind turbine tower 3C with the wind turbine tower 1A and tightens the bolts.

[0010] Step 5: The wind turbine tower 4D and the wind turbine hub 5 are assembled using the time when the wind turbine tower 2B and the wind turbine tower 3C are bolted to the wind turbine tower 1A. The two are then fixed to the deck of the crane ship 8 by the auxiliary installation device 6.

[0011] Step 6: Untie the auxiliary installation device 6; the crane vessel 8 hoists and assembles the wind turbine tower 4D and wind turbine hub 5 with the wind turbine tower 3C and tightens the bolts.

[0012] The present invention also has the following additional technical features:

[0013] As a further specific optimization of the technical solution of the present invention: the wind turbine tower 1A is installed on the wind turbine foundation 7 through a flange; the wind turbine tower 2B and the wind turbine tower 3C are connected together through a flange, and the two are installed together with the auxiliary installation device 6 through the flange; the wind turbine hub 5 and the wind turbine tower 4D are installed together through a flange, and the two are installed together with the auxiliary installation device 6 through the flange.

[0014] As a further specific optimization of the technical solution of the present invention: the wind turbine tower 2B and the wind turbine tower 3C are regarded as a whole, and the crane vessel 8 hoists them as a whole.

[0015] As a further specific optimization of the technical solution of the present invention: the wind turbine tower 4D and the wind turbine hub 5 are regarded as a whole, and the crane vessel 8 hoists them as a whole.

[0016] As a further specific optimization of the technical solution of the present invention: the auxiliary installation device 6 includes a base 601, and a first hinge seat 602 is provided on both sides of the center of the base 601. A locking rod 603 is hinged to the upper part of the first hinge seat 602. A second hinge seat 604 is installed on the inner side of the top of the locking rod 603. A connecting rod 605 is hinged to the second hinge seat 604. A third hinge seat 606 is hinged to the bottom of the connecting rod 605. The third hinge seat 606 is hinged to the top of the telescopic rod 607 of the hydraulic cylinder 608. The bottom of the hydraulic cylinder 608 is directly welded to the base 601.

[0017] As a further specific optimization of the technical solution of the present invention: a bolt hole 6012 is provided on the outer side of the base 601, and a threaded hole 801 is provided on the deck of the crane ship 8. After the bolt hole 6012 and the threaded hole 801 are aligned, a bolt 6011 is installed inside; the bolt 6011 installs the base 601 as a whole on the deck of the crane ship 8.

[0018] As a further specific optimization of the technical solution of the present invention: the locking rod 603 includes a bottom locking rod 6031 and a top locking rod 6032; the bottom locking rod 6031 and the top locking rod 6032 are hinged together; the bottom of the bottom locking rod 6031 is hinged to the first hinge seat 602, and the top of the top locking rod 6032 is hinged to the second hinge seat 604.

[0019] As a further specific optimization of the technical solution of the present invention: a lifting ring 6033 is installed on the top of the top locking rod 6032, and a steel rope 6034 is connected between the two symmetrical lifting rings 6033 on both sides; the length of the steel rope 6034 is 10-20cm greater than the inner diameter of the wind turbine tower.

[0020] As a further specific optimization of the technical solution of the present invention: the locking rod 603 and the connecting rod 605 are provided with a variety of different specifications, which can be appropriately selected, installed and adjusted according to the inner diameter of the wind turbine tower.

[0021] As a further specific optimization of the technical solution of the present invention, the bottom locking rod 6031 and the top locking rod 6032 are provided with a variety of different specifications, which can be appropriately selected, installed and adjusted according to the inner diameter of the wind turbine tower.

[0022] Compared with the prior art, the advantages of this invention are:

[0023] Advantage 1: This invention connects and hoists the wind turbine tower 2B and 3C together during the bolt tightening time, reducing the installation time of the wind turbine tower. Similarly, it connects and hoists the wind turbine tower 4D and hub 5 together during the bolt tightening time, further reducing the wind turbine installation time.

[0024] Advantage 2: The locking rod 603 and connecting rod 605 of the present invention are provided with various different specifications, which can be appropriately selected and installed according to the inner diameter of the wind turbine tower. The bottom locking rod 6031 and top locking rod 6032 are provided with various different specifications, which can be appropriately selected and installed according to the inner diameter of the wind turbine tower, meeting the needs of rapid fixing of the wind turbine tower and hub, and having the advantages of short installation time, high efficiency, safety and reliability.

[0025] 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. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the wind turbine tower 1A after the wind turbine foundation of the present invention has been installed;

[0029] Figure 3 This is a schematic diagram of the crane vessel 8 of the present invention loading the wind turbine tower 2B, the wind turbine tower 3C and the wind turbine hub 5;

[0030] Figures 4-8 This is a schematic diagram of the auxiliary installation device 6 of the present invention.

[0031] Explanation of reference numerals in the attached drawings: Base 601, First hinge seat 602, Locking rod 603, Second hinge seat 604, Connecting rod 605, Third hinge seat 606, Telescopic rod 607, Hydraulic cylinder 608, Bolt hole 6012, Threaded hole 801, Bolt 6011; Bottom locking rod 6031, Top locking rod 6032, Lifting ring 6033, Steel rope 6034; Wind turbine tower 1A; Wind turbine tower 2B; Wind turbine tower 3C; Wind turbine tower 4D; Wind turbine hub 5; Auxiliary installation device 6; Offshore wind turbine foundation 7; Crane vessel 8. Detailed Implementation

[0032] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. These embodiments are intended to provide a more thorough understanding of the invention and to fully convey the scope of the invention to those skilled in the art. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention is not limited to the embodiments set forth herein.

[0033] A rapid installation method for offshore wind turbines, comprising the following steps: wind turbine tower 1A, wind turbine tower 2B, wind turbine tower 3C, wind turbine tower 4D, wind turbine hub 5, and offshore wind turbine foundation 7, assembled into a whole using an auxiliary installation device 6 and a crane vessel 8.

[0034] Step 1: The auxiliary installation device 6 is installed on the deck of the crane vessel 8; the crane vessel 8 arrives at the designated position and is positioned.

[0035] Step 2: The crane vessel 8 hoists and assembles the wind turbine tower 1A with the wind turbine foundation 7 and tightens the bolts;

[0036] Step 3: Wind turbine tower 2B and wind turbine tower 3C are assembled using the time it takes for wind turbine tower 1A to be bolted to wind turbine foundation 7. The two are then fixed to the deck of crane vessel 8 via auxiliary installation device 6.

[0037] Step 4: Untie the auxiliary installation device 6; the crane vessel 8 hoists and assembles the wind turbine tower 2B and wind turbine tower 3C with the wind turbine tower 1A and tightens the bolts.

[0038] Step 5: The wind turbine tower 4D and the wind turbine hub 5 are assembled using the time when the wind turbine tower 2B and the wind turbine tower 3C are bolted to the wind turbine tower 1A. The two are then fixed to the deck of the crane ship 8 by the auxiliary installation device 6.

[0039] Step 6: Untie the auxiliary installation device 6; the crane vessel 8 hoists and assembles the wind turbine tower 4D and wind turbine hub 5 with the wind turbine tower 3C and tightens the bolts.

[0040] The wind turbine tower 1A is installed on the wind turbine foundation 7 via a flange; the wind turbine tower 2B and the wind turbine tower 3C are connected together via flanges, and both are installed together with the auxiliary installation device 6 via flanges; the wind turbine hub 5 and the wind turbine tower 4D are installed together via flanges, and both are installed together with the auxiliary installation device 6 via flanges.

[0041] Wind turbine tower 2B and wind turbine tower 3C are considered as a whole, and the crane vessel 8 hoists them as a whole.

[0042] The wind turbine tower 4D and the wind turbine hub 5 are considered as a whole, and the crane vessel 8 lifts them as a whole.

[0043] The auxiliary installation device 6 includes a base 601, with first hinge seats 602 on both sides of the center of the base 601. A locking rod 603 is hinged to the upper part of the first hinge seat 602. A second hinge seat 604 is installed on the inner side of the top of the locking rod 603. A connecting rod 605 is hinged to the second hinge seat 604. A third hinge seat 606 is hinged to the bottom of the connecting rod 605. The third hinge seat 606 is hinged to the top of the telescopic rod 607 of the hydraulic cylinder 608. The bottom of the hydraulic cylinder 608 is directly welded to the base 601.

[0044] The outer side of the base 601 is provided with bolt holes 6012 that pass through the base 601. The deck of the crane ship 8 is provided with threaded holes 801. After the bolt holes 6012 and threaded holes 801 are aligned, bolts 6011 are installed inside. Bolts 6011 install the base 601 as a whole onto the deck of the crane ship 8.

[0045] The locking rod 603 includes a bottom locking rod 6031 and a top locking rod 6032; the bottom locking rod 6031 and the top locking rod 6032 are hinged together; the bottom of the bottom locking rod 6031 is hinged to the first hinge seat 602, and the top of the top locking rod 6032 is hinged to the second hinge seat 604.

[0046] A lifting ring 6033 is installed on the top of the top locking rod 6032, and a steel rope 6034 is connected between the two symmetrical lifting rings 6033 on both sides; the length of the steel rope 6034 is 10-20cm longer than the inner diameter of the wind turbine tower.

[0047] The locking rod 603 and connecting rod 605 are available in various specifications, which can be appropriately selected, installed and adjusted according to the inner diameter of the wind turbine tower.

[0048] The bottom locking rod 6031 and the top locking rod 6032 are available in various specifications, which can be appropriately selected, installed and adjusted according to the inner diameter of the wind turbine tower.

[0049] This invention enables rapid and precise docking of wind turbine towers and hubs during installation, reduces offshore construction time, and improves the installation efficiency of wind turbine towers and hubs. It has the advantages of precise, fast, safe, reliable, and efficient installation.

[0050] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention have been clearly and completely described above with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0051] Therefore, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0052] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

Claims

1. A method for rapid installation of offshore wind turbines, characterized in that: The installation method refers to assembling and installing the wind turbine tower (1A), wind turbine tower (2B), wind turbine tower (3C), wind turbine tower (4D), wind turbine hub (5), and offshore wind turbine foundation (7) into a whole using auxiliary installation device (6) and crane vessel (8); including the following steps: Step (1): The auxiliary installation device (6) is installed on the deck of the crane vessel (8); the crane vessel (8) arrives at the designated position and is in place; Step (2): The crane vessel (8) hoists and assembles the wind turbine tower (1A) with the wind turbine foundation (7) and tightens the bolts; Step (3): The wind turbine tower (2B) and the wind turbine tower (3C) are assembled using the time it takes for the wind turbine tower (1A) and the wind turbine foundation (7) to be bolted together. The two are then fixed to the deck of the crane ship (8) by the auxiliary installation device (6). Step (4): Untie the auxiliary installation device (6); use the crane vessel (8) to lift and assemble the wind turbine tower (2B) and wind turbine tower (3C) with the wind turbine tower (1A) and tighten the bolts; Step (5): The wind turbine tower (4D) and the wind turbine hub (5) are assembled using the time when the wind turbine tower (2B) and the wind turbine tower (3C) are bolted to the wind turbine tower (1A). The two are fixed to the deck of the crane ship (8) by the auxiliary installation device (6). Step (6): Untie the auxiliary installation device (6); use the crane vessel (8) to lift the wind turbine tower (4D) and wind turbine hub (5) to assemble with the wind turbine tower (3C) and tighten the bolts; The auxiliary installation device (6) includes a base (601), with first hinge seats (602) arranged on both sides of the center of the base (601). A locking rod (603) is hinged to the upper part of the first hinge seat (602), and a second hinge seat (604) is installed on the inner side of the top of the locking rod (603). A connecting rod (605) is hinged to the second hinge seat (604), and a third hinge seat (606) is hinged to the bottom of the connecting rod (605). The third hinge seat (606) is hinged to the hydraulic cylinder (608). The top of the telescopic rod (607); wherein the bottom of the hydraulic cylinder (608) is directly welded to the base (601); the locking rod (603) includes a bottom locking rod (6031) and a top locking rod (6032); the bottom locking rod (6031) and the top locking rod (6032) are hinged together; the bottom of the bottom locking rod (6031) is hinged to the first hinge seat (602), and the top of the top locking rod (6032) is hinged to the second hinge seat (604).

2. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The wind turbine tower (1A) is installed on the wind turbine foundation (7) via a flange; the wind turbine tower (2B) and the wind turbine tower (3C) are connected together via flanges, and both are installed together with the auxiliary installation device (6) via flanges; the wind turbine hub (5) and the wind turbine tower (4D) are installed together via flanges, and both are installed together with the auxiliary installation device (6) via flanges.

3. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The wind turbine tower (2B) and the wind turbine tower (3C) are considered as a whole, and the crane vessel (8) lifts them as a whole.

4. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The wind turbine tower (4D) and the wind turbine hub (5) are considered as a whole, and the crane vessel (8) lifts them as a whole.

5. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The outer side of the base (601) is provided with bolt holes (6012) that pass through the base (601), and the deck of the crane ship (8) is provided with threaded holes (801). After the bolt holes (6012) and the threaded holes (801) are aligned, bolts (6011) are installed inside. The bolts (6011) install the base (601) as a whole onto the deck of the crane ship (8).

6. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The top of the top locking rod (6032) is equipped with a lifting ring (6033), and a steel rope (6034) is connected between the two symmetrical lifting rings (6033); the length of the steel rope (6034) is 10-20cm greater than the inner diameter of the wind turbine tower.

7. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The locking rod (603) and the connecting rod (605) are available in various specifications and can be appropriately selected, installed and adjusted according to the inner diameter of the wind turbine tower.

8. The method for rapid installation of an offshore wind turbine according to claim 1, characterized in that: The bottom locking rod (6031) and the top locking rod (6032) are available in various specifications, and can be appropriately selected, installed and adjusted according to the inner diameter of the wind turbine tower.

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