An offshore wind turbine tower installation positioning device and installation method

Abstract

The present invention discloses an installation positioning device and an installation method for an offshore wind turbine tower barrel, belonging to the technical field of installation of offshore wind power equipment. It includes a transition section hoop member detachably arranged on the transition section; a tower barrel positioning member located above the transition section hoop member for receiving the tower barrel and positioning the position of the tower barrel; and an automatic lifting mechanism, one end of which is rotatably connected to the transition section hoop member, and the other end is rotatably connected to the tower barrel positioning member. The proximity and separation of the tower barrel positioning member and the transition section hoop member are controlled through the automatic lifting mechanism to achieve precise connection between the tower barrel and the transition section. The present invention can be arranged before the installation of the wind turbine tower barrel. This device can accurately position the tower barrel, greatly save construction time, and has simple operation and is easy to install.

Description

Technical Field

[0001] The invention belongs to the technical field of offshore wind power equipment installation, and particularly relates to an installation positioning device and an installation method for an offshore wind turbine tower barrel. Background Art

[0002] In recent years, the technology in the field of offshore wind power in China has advanced by leaps and bounds. With the grid connection and power generation of the world's first 16-megawatt ultra-large-capacity offshore wind turbine in Chinese waters, it marks that China's offshore wind turbines have entered the large-capacity era and are gradually developing towards deep and far waters. Due to factors such as the gradually increasing volume of the wind turbines and the stronger wind force in deep and far waters, the traditional installation technology can no longer meet the requirements. The tower barrel of a large wind turbine generator is connected to the transition section by means of flange connection, and this connection method requires precise docking of the tower barrel and the transition section. However, during the installation construction, the tower barrel will sway in the complex and changeable marine environment, and the traditional installation technology requires the staff to drag it together or use a crane ship to adjust to complete the docking of the tower barrel and the transition section, and this installation technology is very dangerous. In addition, extreme weather is often encountered during the entire installation process, which will not only damage the tower barrel but also endanger the lives of construction workers. The currently adopted traditional installation method is severely restricted by environmental factors, and factors such as long installation time and high risk coefficient will increase the installation cost of wind turbine generators. Summary of the Invention

[0003] In order to solve the above problems, the invention adopts the following technical solutions:

[0004] An installation positioning device for an offshore wind turbine tower barrel, comprising:

[0005] A transition section hoop member detachably arranged on the transition section;

[0006] A tower barrel positioning member located above the transition section hoop member for receiving the tower barrel and positioning the position of the tower barrel;

[0007] An automatic lifting mechanism, one end of which is rotatably connected to the transition section hoop member, and the other end is rotatably connected to the tower barrel positioning member. By controlling the automatic lifting mechanism, the tower barrel positioning member is moved closer to or farther away from the transition section hoop member to achieve precise connection of the tower barrel and the transition section.

[0008] Further, the transition section hoop member includes:

[0009] Two hoop arms in the shape of semi-circular cylindrical structures, the two hoop arms are symmetrically arranged, the first ends of the two hoop arms are hinged, and the second ends are detachably connected. When the first ends of the hoop arms are closed, there is still a gap at the second ends of the hoop arms;

[0010] The first mounting bump is arranged on one side of one of the semi-circular cylindrical bodies, and the first end of the automatic lifting mechanism is rotatably connected to the first mounting bump.

[0011] Furthermore, two aluminum alloy sheets are arranged at the second ends of the two hoop arms, and the two aluminum alloy sheets are respectively located at the upper and lower ends of the hoop arm. The aluminum alloy sheets on the two hoop arms are arranged in one-to-one correspondence. Mounting holes are arranged on the aluminum alloy sheets, and the correspondingly arranged aluminum alloy sheets are installed by bolts.

[0012] Furthermore, the tower barrel positioning member includes:

[0013] The tower barrel positioning member body, a tower barrel channel is arranged inside the tower barrel positioning member body. The tower barrel channel is in a funnel shape with a wider upper part and a narrower lower part, and the diameter of the lower end of the tower barrel channel matches the diameter of the tower barrel flange;

[0014] The second mounting bump is arranged on one side of the tower barrel positioning member body, and the first end of the automatic lifting mechanism is rotatably connected to the second mounting bump;

[0015] The hook placement component is arranged on one side of the tower barrel positioning member body and is used for the installation, disassembly and recycling of the tower barrel positioning member.

[0016] Furthermore, the automatic lifting mechanism includes:

[0017] The rotating motor, a part cavity is arranged inside the first mounting bump, and the rotating motor is installed at the lower end of the first mounting bump;

[0018] The driving gear is rotatably arranged in the part cavity and is drivingly connected to the motor shaft of the rotating motor;

[0019] Two driven gears, the two driven gears are both arranged in the part cavity and are respectively located on both sides of the driving gear, and both are meshed with the driving gear;

[0020] Two threaded rods, the two threaded rods are arranged in one-to-one correspondence with the two driven gears, and the end of the first end of the threaded rod is connected to the corresponding driven gear. A threaded cylinder matching the two threaded rods is arranged inside the second mounting bump. The second end of the threaded rod penetrates through the first mounting bump and extends to the outside of the first mounting bump, and is rotatably connected to the first mounting bump and can extend into the matching threaded cylinder.

[0021] Furthermore, at least one circle of rubber rings is arranged in the tower barrel channel.

[0022] Further, a groove is provided on the transition section hoop member, and the groove is used to place a construction ladder.

[0023] Further, the transition section hoop member is made of aluminum alloy material, and the tower barrel positioning member is made of resin-based material.

[0024] An installation method of an offshore wind turbine tower barrel installation and positioning device, using the offshore wind turbine tower barrel installation and positioning device described in any one of the above, the method includes the following steps:

[0025] S10. Install the transition section hoop member: Place the transition section hoop member on the lifting ladder on the installation ship, lower the lifting ladder to align the opened transition section hoop member with the transition section, then extend the base, and close and install it after reaching the appropriate position;

[0026] S20. Install the tower barrel positioning member: After the installation of the transition section hoop member is completed, the tower barrel positioning member is docked with the threaded rod through the cable on the crane. After the connection is completed, start the automatic lifting mechanism to make the tower barrel positioning member reach the appropriate position;

[0027] S30. Complete the precise connection of the tower barrel and the transition section: With the cooperation of the crane ship and the construction personnel, slowly lower the tower barrel into the tower barrel channel of the tower barrel positioning member. Under the action of the rubber material on the inner wall of the tower barrel channel, the tower barrel and the tower barrel positioning member are closely attached. After stabilizing the direction of the tower barrel, slowly lower the tower barrel, and install it after reaching the position of the lower flange hole;

[0028] S40. Recover the device: Separate the tower barrel positioning member and the automatic lifting mechanism through the hook placement component to complete the recovery of the tower barrel positioning member. The construction personnel manually disassemble the transition section hoop member to complete the recovery of the entire device.

[0029] Beneficial effects:

[0030] The present invention can be arranged before the installation of the wind turbine tower barrel. This device can accurately position the tower barrel, can save a large amount of construction time, and has simple operation and is easy to install.

[0031] The existing traditional tower barrel installation technology uses the cooperation of manual labor and a crane ship for positioning and installation. The present invention improves the original installation technology, can greatly reduce the construction difficulty, reduce the construction time, save the construction cost, and improve the engineering safety.

[0032] The present invention improves the wind resistance during the installation of the tower barrel. It can reduce the sway of the tower barrel in relatively bad weather, reduce the wear of the tower barrel and the transition section, and there is no need for extra manual intervention during the connection process of the tower barrel and the transition section, thus ensuring the safety of the workers.

[0033] The hoop arm of the transition section hoop device of the present invention is simple to disassemble and can be reused in the installation projects of multiple offshore wind turbine tower barrels.

[0034] The entire device of the present invention can also be used as an offshore lifting platform for the inspection or adjustment of the installed wind turbine tower barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a schematic structural view of the tower barrel installation and positioning component in the present invention;

[0036] Figure 2 is a schematic structural view of the upper tower barrel positioning member in the present invention;

[0037] Figure 3 is a schematic structural view of the transition section hoop member in the present invention;

[0038] Figure 4 is the construction layout drawing of the tower barrel installation and positioning component in the present invention.

[0039] Wherein, 1. Tower barrel positioning member; 2. Automatic lifting mechanism; 3. Transition section hoop member; 4. Groove; 5. Hook placement component; 6. Threaded cylinder; 7. Tower barrel passage; 8. Driving gear; 9. Hoop arm; 10. Rubber ring; 11. Driven gear; 12. Aluminum alloy sheet; 13. Cable; 14. Tower barrel; 15. Lifting ladder; 16. Transition section; 17. Seabed; 18. Installation ship. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] Embodiment 1

[0041] Refer to Figures 1 - 4 , an offshore wind turbine tower barrel installation and positioning device, comprising:

[0042] The transition section hoop member 3 is detachably arranged on the transition section 16;

[0043] The tower barrel positioning member 1 is located above the transition section hoop member 3 and is used to receive the tower barrel and position the position of the tower barrel;

[0044] One end of the automatic lifting mechanism 2 is rotatably connected to the transition section hoop member 3, and the other end is rotatably connected to the tower barrel positioning member 1. By controlling the automatic lifting mechanism 2, the tower barrel positioning member 1 is moved closer to or farther away from the transition section hoop member 3 to achieve the precise connection between the tower barrel 14 and the transition section 16.

[0045] During specific implementation, the automatic lifting mechanism is pre-installed on the transition section hoop member 3, so that it can bypass the upper platform of the transition section 16 and realize the automatic lifting function without affecting the use of the transition section 16.

[0046] The tower barrel installation and positioning device provided by the present invention can reduce the sway of the tower barrel 14 during the installation of the offshore wind turbine, save the installation connection time between the wind turbine tower barrel 14 and the transition section 16, and realize the accurate positioning of the tower barrel 14.

[0047] In this embodiment, the transition section hoop member 3 includes:

[0048] Two hoop arms 9 in the shape of semi-circular cylindrical structures, the two hoop arms are symmetrically arranged, the first ends of the two hoop arms 9 are hinged, and the second ends are detachably connected. When the first ends of the hoop arms 9 are closed, there is still a gap at the second ends of the hoop arms 9;

[0049] Specifically, the first ends of the hoop arms 9 can be connected by hinges to achieve the functions of unfolding and closing the hoop arms 9, thereby realizing the hoop function. After the hoop arms 9 are installed, the hoop arms 9 and the transition section 16 are tightly connected by screws and nuts without any sliding.

[0050] A first mounting convex block is arranged on one side of one of the semi-circular cylindrical bodies, and the first end of the automatic lifting mechanism 2 is rotatably connected to the first mounting convex block.

[0051] Preferably, the hoop arm 9 and the first mounting convex block are integrally formed.

[0052] In this embodiment, two aluminum alloy sheets 12 are provided at the second ends of the two hoop arms, and the two aluminum alloy sheets 12 are respectively located at the upper and lower ends of the hoop arms. The aluminum alloy sheets 12 on the two hoop arms are arranged in one-to-one correspondence. Mounting holes are provided on the aluminum alloy sheets 12, and the correspondingly arranged aluminum alloy sheets 12 are installed by bolts.

[0053] Specifically, two bolt holes are provided on each aluminum alloy sheet 12, and the aluminum alloy sheets 12 on the two hoop arms 9 are bound by screws and nuts to ensure the tight fit between the transition section hoop member and the transition section 16.

[0054] In this embodiment, the tower barrel positioning member 1 includes:

[0055] A tower barrel positioning member body, a tower barrel channel 7 is arranged inside the tower barrel positioning member body, the tower barrel channel 7 is in the shape of a funnel with a wider upper part and a narrower lower part, and the diameter of the lower end of the tower barrel channel 7 matches the diameter of the flange of the tower barrel 14;

[0056] A second mounting convex block is arranged on one side of the tower barrel positioning member body, and the first end of the automatic lifting mechanism 2 is rotatably connected to the second mounting convex block;

[0057] Preferably, the tower barrel positioning member body and the second mounting convex block are integrally formed.

[0058] A hook placement component 5 is arranged on one side of the tower barrel positioning member body for the installation, disassembly and recovery of the tower barrel positioning member 1.

[0059] During specific implementation, the hook placement component 5 is used to connect the tower barrel positioning component 1 and the threaded rod after the installation of the transition section hoop component 3 is completed; after the installation of the tower barrel is completed, the hook placement component separates the tower barrel positioning component and the threaded rod, and then removes the transition section hoop component to release the hoop of the transition section hoop component.

[0060] During specific implementation, the tower barrel channel 7 is used to fix the tower barrel 14 when installing the tower barrel 14, and accurately position the tower barrel 14 to reduce the sway caused by factors such as offshore wind loads.

[0061] The tower barrel channel 7 is used to align the bottom end of the tower barrel with the flange hole at the lower end during the hoisting of the tower barrel, so that the tower barrel can fall smoothly and reduce the impact of offshore instability factors on the docking of the tower barrel.

[0062] During specific implementation, the tower barrel 14 can easily enter the tower barrel channel 7 from the frustum-shaped top surface. By adjusting the free automatic lifting mechanism 2, the height of the tower barrel 14 is changed until the tower barrel 14 is closely attached to the tower barrel channel 7. Such an operation can reduce the sway of the tower barrel 14 during the entire installation process, accurately connect the tower barrel 14 and the transition section 16, and reduce the construction time.

[0063] In this embodiment, the automatic lifting mechanism 2 includes:

[0064] A rotating motor. There is a part cavity in the first installation convex block, and the rotating motor is installed at the lower end of the first installation convex block.

[0065] A driving gear 8, which is rotatably arranged in the part cavity and is drivingly connected to the motor shaft of the rotating motor.

[0066] Two driven gears 11, which are respectively located on both sides of the driving gear 8 and are both meshed with the driving gear 8.

[0067] Two threaded rods, which are arranged in one-to-one correspondence with the two driven gears 11. The first end of the threaded rod is connected to the corresponding driven gear 11. There is a threaded cylinder 6 in the second installation convex block that matches the two threaded rods. The second end of the threaded rod penetrates through the first installation convex block and extends to the outside of the first installation convex block, and is rotatably connected to the first installation convex block and can extend into the matching threaded cylinder 6.

[0068] During specific implementation, the rotating motor drives the driving gear 8 to rotate. The two driven gears 11 are both meshed with the driving gear 8, driving the two driven gears 11 to rotate synchronously and in opposite directions, and then driving the threaded rod to screw into the matching threaded cylinder 6, realizing the up and down movement of the tower barrel positioning component 1 along the threaded rod, realizing the lifting of the tower barrel positioning component 1, and realizing the accurate connection of the tower barrel 14 and the transition section 16.

[0069] During specific implementation, a controller and a power supply are also arranged in the part cavity. The controller and the rotating motor are both electrically connected to the power supply, and the controller is electrically connected to the rotating motor. The controller is wirelessly connected to a remote control.

[0070] Preferably, the power supply, the controller, the rotating motor, and the rotating gear here are an independent system.

[0071] During specific implementation, when encountering weather such as strong wind and heavy rain, the rotating motor is started, so that the tower barrel positioning member falls onto the transition section hoop member to form a whole, jointly resisting the influence caused by the weather, and also including the protection effect on itself to prevent local damage caused by its shaking.

[0072] During specific implementation, after the rotating motor or the power supply fails and stops working, it plays a protective role for the pile column. For example, if a fire occurs and the device cannot be removed in time, it will cause serious losses to the damaged tower barrel.

[0073] In this embodiment, at least one circle of rubber rings 10 is arranged in the tower barrel channel 7.

[0074] By covering the inner wall of the hoop arm 9 with the rubber ring 10, the friction between the hoop arm 9 and the transition section 16 is increased, and the wear caused by the collision between the hoop arm 9 and the transition section 16 is reduced.

[0075] During specific implementation, when the first end of the hoop arm 9 is closed, there is still a gap at the second end of the hoop arm 9; due to the elasticity of the internal rubber material, enough gaps are left to adjust the tightness of the hoop for easy construction.

[0076] In this embodiment, a groove 4 is arranged on the transition section hoop member 3, and the groove 4 is used to place a construction ladder.

[0077] During specific implementation, the groove 4 for placing the construction ladder is arranged on the side of the transition section hoop member 3 where the aluminum alloy sheet 12 is installed, which will not affect the normal use of the transition section 16.

[0078] Preferably, the transition section hoop member 3 is made of aluminum alloy material, and the tower barrel positioning member is made of resin-based material.

[0079] Specifically, the weight of the aluminum alloy material is relatively small, which can weaken the vertical load on the lower pile foundation, and has the advantages of corrosion resistance, light weight, and high strength, and can still be reused after experiencing offshore installation and transportation.

[0080] Specifically, lightweight materials such as resin-based materials reduce the difficulty of offshore installation of the overall equipment.

[0081] Embodiment 2

[0082] An installation method of an offshore wind turbine tower barrel installation and positioning device provided in this embodiment uses the offshore wind turbine tower barrel installation and positioning device provided in Embodiment 1. The method includes the following steps:

[0083] S10. Install the transition section hoop member 3: Place the transition section hoop member 3 on the lifting ladder 15 on the installation vessel 18. Lower the lifting ladder 15 to align the opened transition section hoop member 3 with the transition section 16, then extend the base. After reaching the appropriate position, close and install it.

[0084] S20. Install the tower barrel positioning member 1: After the installation of the transition section hoop member 3 is completed, the tower barrel positioning member 1 is docked with the threaded rod through the upper cable 13 of the crane. After the connection is completed, start the automatic lifting mechanism 2 to make the tower barrel positioning member 1 reach the appropriate position.

[0085] S30. Complete the precise connection of the tower barrel 14 and the transition section 16: With the cooperation of the crane ship and the construction personnel, slowly place the tower barrel 14 into the tower barrel channel 7 of the tower barrel positioning member 1. Under the action of the rubber material on the inner wall of the tower barrel channel 7, the tower barrel 14 and the tower barrel positioning member 1 are closely attached. After stabilizing the direction of the tower barrel 14, slowly lower the tower barrel 14. After reaching the position of the lower flange hole, carry out the installation.

[0086] S40. Recovery device: Separate the tower barrel positioning member and the automatic lifting mechanism through the hook placement component to complete the recovery of the tower barrel positioning member. The construction personnel carry out the manual disassembly of the transition section hoop member to complete the recovery of the entire device.

[0087] During specific implementation, the tower barrel positioning member 1 receives the tower barrel 14 by using the elevation of the automatic lifting mechanism 2. When the tower barrel 14 enters the tower barrel channel 7, slowly lower the tower barrel 14 to dock with the lower flange hole.

[0088] During specific implementation, first use the lifting ladder 15 of the installation vessel 18 to transport the transition section hoop member 3 to the transition section 16 for hoop installation. The two arms of the hoop arm 9 open and close to realize the hoop. The inner wall of the hoop arm 9 is covered with a rubber ring 10 to increase the friction between the hoop arm 9 and the transition section 16, so that it can be closely attached to the transition section 16 and is not easy to slide. After the hoop arm 9 is closed, the aluminum alloy sheet 12 is screwed into the screw, and the nut is rotated to adjust the hoop tightness to complete the hoop. Then, remotely start the power supply, rotate the threaded rod to rise above the transition section 16 by rotating the motor. Subsequently, use the cooperation between the hook and the construction personnel to assemble the tower barrel positioning member 1 with the threaded rod to complete the installation of the entire device. After the installation vessel 18 hoists the tower barrel 14 connected by the cable 13, carry out the demolition of the entire device. Use the remote control to start the power supply, raise the tower barrel positioning member 1 to the top of the tower barrel 14, use the installation vessel 18 to hold the hook placement component 5 and rotate the threaded rod to make it descend and separate from the tower barrel positioning member 1, and then release the hoop of the transition section hoop member 3.

[0089] Figure 4 The position at the middle bottom is the seabed 17.

[0090] The above are only the preferred embodiments of the present invention, and do not impose any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An offshore wind turbine tower installation and positioning device, characterized in that: include: A transition section hoop member is detachably arranged on the transition section; A tower locating member, located on the upper side of the transition section clamping member, for receiving the tower and locating the position of the tower; An automatic lifting mechanism, one end of which is rotatably connected to the transition section clamping member, and the other end of which is rotatably connected to the tower positioning member, and the tower positioning member and the transition section clamping member are controlled to approach and move away from each other by the automatic lifting mechanism, so as to achieve accurate connection between the tower and the transition section; The transition section hoop member comprises: Two hoop arms of semicircular cylindrical structure, the two hoop arms are symmetrically arranged, the first ends of the two hoop arms are hinged, and the second ends are detachably connected, and when the first ends of the hoop arms are closed, the second ends of the hoop arms still have a gap; A first mounting protrusion is arranged on one side of one of the semicircular ring-shaped cylinders, and a first end of the automatic lifting mechanism is rotatably connected to the first mounting protrusion; The tower positioning member comprises: A tower locator body, wherein a tower channel is arranged inside the tower locator body, the tower channel is in a funnel shape that is wide at the top and narrow at the bottom, and the diameter of the lower end of the tower channel matches the diameter of the tower flange; A second mounting protrusion is arranged on one side of the tower positioning member body, and the first end of the automatic lifting mechanism is rotatably connected to the second mounting protrusion; A hook placement component is arranged on one side of the tower locator body and is used for installation, disassembly and recovery of the tower locator.

2. The offshore wind turbine tower installation and positioning device according to claim 1, characterized in that: Two aluminum alloy sheets are provided at the second ends of the two clamp arms, and the two aluminum alloy sheets are respectively located at the upper and lower ends of the clamp arms. The aluminum alloy sheets on the two clamp arms are arranged in a one-to-one correspondence, and mounting holes are provided on the aluminum alloy sheets. The correspondingly arranged aluminum alloy sheets are installed by bolts.

3. The offshore wind turbine tower installation and positioning device according to claim 1, characterized in that: The automatic lifting mechanism comprises: A rotating motor, wherein a parts cavity is provided in the first mounting protrusion, and the rotating motor is mounted at the lower end of the first mounting protrusion; A driving gear, which is rotatably disposed in the part cavity and drivingly connected to the motor shaft of the rotating motor; Two driven gears, both of which are arranged in the part cavity and are respectively located on both sides of the driving gear and meshed with the driving gear; Two threaded rods, the two threaded rods are arranged in a one-to-one correspondence with the two driven gears, and the end of the first end of the threaded rod is connected to the corresponding driven gear, a threaded barrel matching the two threaded rods is arranged in the second mounting protrusion, the second end of the threaded rod passes through the first mounting protrusion and extends to the outside of the first mounting protrusion, and is rotatably connected to the first mounting protrusion, and can extend into the matching threaded barrel.

4. The offshore wind turbine tower installation and positioning device according to claim 1, characterized in that: At least one rubber ring is arranged in the tower passage.

5. The offshore wind turbine tower installation and positioning device according to claim 1, characterized in that: The transition section hoop is provided with a groove, and the groove is used for placing a construction ladder.

6. The offshore wind turbine tower installation and positioning device according to claim 1, characterized in that: The transition section clamp is made of aluminum alloy material, and the tower positioning piece is made of resin-based material.

7. A method for installing an offshore wind turbine tower installation positioning device, characterized in that: Using the offshore wind turbine tower installation and positioning device according to any one of claims 1 to 6, the method comprises the following steps: S10, installing the transition section clamp: placing the transition section clamp on the elevator on the installation vessel, lowering the elevator, aligning the opened transition section clamp with the rear extension base of the transition section, and closing and installing after reaching a suitable position; S20, installing the tower locator: after the transition section hoop is installed, the tower locator is connected to the threaded rod through the cable on the crane, and after the connection is completed, the automatic lifting mechanism is started to make the tower locator reach a suitable position; S30, complete the precise connection between the tower and the transition section: with the cooperation of the crane and construction personnel, slowly put the tower into the tower channel of the tower positioning piece. Under the action of the rubber material on the inner wall of the tower channel, the tower and the tower positioning piece fit tightly. After stabilizing the direction of the tower, slowly lower the tower and install it after reaching the lower flange hole position. S40, recovery device: the tower locating parts and the automatic lifting mechanism are separated by the hook placement components to complete the recovery of the tower locating parts. The construction personnel manually dismantle the transition section clamp parts to complete the recovery of the entire device.

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