A high-altitude fan blade installation auxiliary device and a fan blade installation method

Abstract

The application belongs to the field of high-altitude unloading construction, and provides a high-altitude fan blade installation auxiliary device and a fan blade installation method. The high-altitude fan blade installation auxiliary device is used for assisting a hydraulic disc car in installing a fan blade. The auxiliary device comprises a main hoisting beam, a vice hoisting beam connected to one end of the main hoisting beam and used for connecting the hydraulic disc car, and a counterweight arranged at the other end of the hoisting beam assembly. The high-altitude fan blade installation auxiliary device and the fan blade installation method are a construction solution superior to a conventional disassembly hydraulic disc car, save labor cost for a construction enterprise, reduce construction difficulty, and reduce unloading safety risk. The application is most beneficial to offshore wind power construction, can shorten a construction period, reduce cost, and lower operation risk to seize limited sea area resources, thereby providing strong guarantee for completing an early-stage planning scheme of an offshore wind power plant.

Description

Technical Field

[0001] This invention relates to the field of high-altitude unloading construction, and in particular to an auxiliary device for high-altitude fan blade installation and a fan blade installation method. Background Technology

[0002] Currently, my country's grid-connected wind power capacity has exceeded 300 million kilowatts, reaching 300.15 million kilowatts, maintaining its position as the world's largest for 12 consecutive years. Simultaneously, my country's wind turbine production accounts for more than two-thirds of the global market share, further consolidating its position as the world's largest wind turbine manufacturer. Wind power installation equipment is widely used in onshore and emerging offshore wind power projects. These devices have not only earned the reputation of being the "best partners" and "miracle tools" for wind power installation due to their safety and efficiency, but also continuously challenge new construction heights, open up new fields, and lead new trends, safeguarding my country's green energy development and contributing to the achievement of "dual-carbon goals." The nacelle hydraulic trolley is a special tool used to rotate the nacelle hub angle during wind blade installation. After the blades are installed, they need to be disassembled. After the blades are assembled, the crane and hydraulic trolley cannot be directly hooked together due to the blades obstructing the connection, making high-altitude wind blade installation difficult. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of the prior art by proposing an auxiliary device and method for installing high-altitude wind turbine blades.

[0004] The technical solution provided by the present invention is as follows: a high-altitude wind turbine blade installation auxiliary device, used to assist a hydraulic turning trolley in installing wind turbine blades. The auxiliary device includes: a main lifting beam, an auxiliary lifting beam connected to one end of the main lifting beam for connecting the hydraulic turning trolley, and a counterweight disposed at the other end of the lifting beam assembly.

[0005] Furthermore, a second lifting lug is connected to the end of the auxiliary lifting beam, and the second lifting lug is connected to the hydraulic turning gear.

[0006] Furthermore, multiple first lifting lugs are connected to the main lifting beam.

[0007] Furthermore, reinforcing ribs are connected to both sides of the main lifting beam.

[0008] Furthermore, a counterweight is connected to the end of the main lifting beam that is away from the secondary lifting beam.

[0009] Furthermore, the first lifting lug has attached plates on both sides.

[0010] A method for installing high-altitude wind turbine blades, applicable to any of the above-mentioned auxiliary devices for installing high-altitude wind turbine blades, includes the following steps:

[0011] S1 lifting auxiliary device is in a horizontal position:

[0012] S101 connects the two hooks of the crane to the two first lifting lugs (2) on the auxiliary device respectively;

[0013] S102 starts the crane to lift the auxiliary device and keep it in a horizontal position;

[0014] S2 adjusts the fan blade angle to a Y shape:

[0015] S201 adjusts the fan blades to a Y-shape using a hydraulic crank;

[0016] S202 locks the fan blades using a hydraulic rotating mechanism;

[0017] S3 attaches the auxiliary device to the hydraulic turning gear with a hook:

[0018] S301 starts the overhead crane on the crane and moves the auxiliary device forward to the upper side of the hydraulic trolley;

[0019] S302 lowers the auxiliary device and connects the second lifting lug (4) on the auxiliary device to the hydraulic trolley;

[0020] S4 installs the fan blades using a hydraulic turning gear;

[0021] S5 installation complete. Unload auxiliary devices to the ground.

[0022] Furthermore, after the S105 installation is complete, the steps for unloading the auxiliary equipment to the ground include:

[0023] The auxiliary equipment was removed from the vehicle using a crane.

[0024] The auxiliary device was lowered to the ground using a crane;

[0025] Remove the crane hook from the auxiliary device.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] (1) The high-altitude wind turbine installation auxiliary device and wind turbine installation method of the present invention is a construction solution that is superior to the traditional disassembly of hydraulic turning trucks. It saves labor costs for construction companies, reduces construction difficulty, and also reduces the safety risks of unloading. It is most advantageous for offshore wind power construction, which can shorten the construction cycle, reduce costs, and seize limited sea area resources with lower operational risks. It provides a strong guarantee for completing the preliminary planning scheme of offshore wind farms. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of the auxiliary device package of the present invention;

[0029] Figure 2 This is a schematic diagram of the lifting auxiliary device S101 of the present invention in a horizontal state;

[0030] Figure 3 This is a schematic diagram of the connection between the auxiliary device of the present invention and the hydraulic turning gear;

[0031] Figure 4 This is a flowchart of the fan blade installation method of the present invention.

[0032] The attached diagram is labeled as follows: 1. Main lifting beam, 2. First lifting lug, 3. Secondary lifting beam, 4. Second lifting lug, 5. Counterweight. Detailed Implementation

[0033] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0034] like Figure 1-4 As shown, the present invention is an auxiliary device and method for installing high-altitude wind turbine blades. The auxiliary device is used to assist a hydraulic trolley in installing wind turbine blades. The auxiliary device is characterized by comprising: a main lifting beam 1, an auxiliary lifting beam 3 connected to one end of the main lifting beam 1 for connecting the hydraulic trolley, and a counterweight 5 disposed at the other end of the lifting beam assembly.

[0035] The main lifting beam 1 in this embodiment is welded from thick plates and has a strong load-bearing capacity.

[0036] In this embodiment, the auxiliary lifting beam 3 is welded from a thick plate and is fixedly connected to the main lifting beam 1. The connection method can be any easily conceivable fixed connection method such as welding or threaded connection. In this embodiment, full penetration welding is preferred.

[0037] In this embodiment, the counterweight 5 is 5 tons, which is used to maintain a stable state when lifting the hydraulic turning wheel.

[0038] Specifically, by setting up auxiliary devices, it is possible for the crane to lift the hydraulic rotating trolley without obstructing the blades.

[0039] Furthermore, the end of the auxiliary lifting beam 3 is connected to a second lifting lug 4, which is connected to the hydraulic trolley.

[0040] In this embodiment, the second lifting lug 4 is a thick panel that can support the hydraulic trolley.

[0041] In this embodiment, the second lifting lug 4 is fixedly connected to the auxiliary lifting beam 3. The connection method can be welding, threaded connection, or other easily conceivable fixed connection methods. In this embodiment, full penetration welding is preferred.

[0042] Furthermore, multiple first lifting lugs 2 are connected to the main lifting beam 1.

[0043] The first lifting lug 2 in this embodiment can be selected based on the weight of the hydraulic trolley and the weight of the counterweight 5.

[0044] In this embodiment, one of the first lifting lugs 2 is preferably located at the center of the main lifting beam 1, and the other of the first lifting lugs 2 is located at a distance of 14.2m from the center.

[0045] Furthermore, reinforcing ribs are connected to both sides of the main lifting beam 1.

[0046] Furthermore, a counterweight 5 is connected to the end of the main lifting beam 1 that is away from the auxiliary lifting beam 3.

[0047] Furthermore, the first lifting lug 2 has attached plates on both sides.

[0048] A method for installing high-altitude wind turbine blades, applicable to auxiliary devices for installing high-altitude wind turbine blades, includes the following steps:

[0049] S1 lifts the auxiliary device to a horizontal position:

[0050] S101 connects the two hooks of the crane to the two first lifting lugs (2) on the auxiliary device respectively;

[0051] S102 Start the crane to lift the auxiliary device and place it in a horizontal position.

[0052] For details, please refer to Figure 2 Connect the 600T crane hook to the two first lifting lugs 2 with ropes, lift the auxiliary device to a certain height, and then adjust the ropes to make the auxiliary device horizontal.

[0053] S2 adjusts the fan blade angle to a Y shape:

[0054] S201 adjusts the fan blades to a Y-shape using a hydraulic crank;

[0055] The S202 uses a hydraulic crank to lock the fan blades.

[0056] S3 attaches the auxiliary device to the hydraulic turning gear via a hook:

[0057] S301 starts the overhead crane and moves the auxiliary device forward to the upper side of the hydraulic trolley;

[0058] S302 lowers the auxiliary device and connects the second lifting lug (4) on the auxiliary device to the hydraulic trolley;

[0059] For details, please refer to Figure 3 When the auxiliary device is raised above the nacelle height, the auxiliary device is pushed forward so that the second lifting lug 4 can be hooked to the hydraulic trolley.

[0060] Preferably, a camera and a position sensor are connected to the hydraulic trolley lifting point, and a position sensor is also provided at the second lifting lug 4 of the auxiliary device. The operator can monitor the position of the second lifting lug 4 and the hydraulic trolley lifting point in real time, which facilitates the docking hook. When the second lifting lug 4 moves to the hydraulic trolley lifting point, the operator can observe the docking hook of the second lifting lug 4 through the camera, making it more convenient to connect the auxiliary device and the hydraulic trolley hook.

[0061] S4 installs the fan blades via the hydraulic turning wheel.

[0062] S5 installation is complete; unload the auxiliary device to the ground.

[0063] Specifically, the auxiliary device is pulled back from the vehicle using a crane; the auxiliary device is placed on the ground using a crane; and the crane hook is removed from the auxiliary device.

[0064] It should also be noted that this document may provide examples of parameters containing specific values, but these parameters need not be exactly equal to the corresponding values, but can approximate the corresponding values ​​within acceptable error tolerances or design constraints. Directional terms mentioned in the embodiments, such as "up," "down," "front," "back," "left," and "right," are only for reference to the accompanying drawings and are not intended to limit the scope of protection of this application.

[0065] The foregoing description illustrates and describes preferred embodiments of the present invention. As previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A method for installing high-altitude wind turbine blades, comprising using a high-altitude wind turbine blade installation auxiliary device to assist a hydraulic trolley in installing the wind turbine blades, characterized in that, The auxiliary device includes: a main lifting beam (1), connected to one end of the main lifting beam (1) for connecting the auxiliary lifting beam (3) of the hydraulic trolley, and a counterweight (5) disposed at the other end of the lifting beam assembly; a second lifting lug (4) is connected to the end of the auxiliary lifting beam (3), and the second lifting lug (4) is connected to the hydraulic trolley; a plurality of first lifting lugs (2) are connected to the main lifting beam (1); there are two first lifting lugs (2), one of which is located at the center of the main lifting beam (1), and the other is located at a certain distance from the center of the main lifting beam (1) and close to the counterweight (5) at the other end of the main lifting beam (1), and the two first lifting lugs (2) are respectively used to connect to the corresponding hooks of the crane through vertical ropes; reinforcing ribs are connected to both sides of the main lifting beam (1); The method for installing high-altitude wind turbine blades includes the following steps: S1 lifts the auxiliary device to a horizontal position: S101 connects the two hooks of the crane to the two first lifting lugs (2) on the auxiliary device respectively; S102 Start the crane to lift the auxiliary device and place it in a horizontal position; S2 adjusts the fan blade angle to a Y shape: S201 adjusts the fan blades to a Y-shape using a hydraulic crank; S202 locks the fan blades using a hydraulic rotating mechanism; S3 attaches the auxiliary device to the hydraulic turning gear via a hook: S301 starts the overhead crane and moves the auxiliary device forward to the upper side of the hydraulic trolley; S302 lowers the auxiliary device and connects the second lifting lug (4) on the auxiliary device to the hydraulic trolley: When the auxiliary device is raised above the nacelle height, push the auxiliary device forward so that the second lifting lug 4 can be hooked to the hydraulic trolley. A camera and a position sensor are connected to the hydraulic trolley lifting point. A position sensor is installed at the second lifting lug 4 of the auxiliary device. The position of the second lifting lug 4 and the hydraulic trolley lifting point is monitored in real time to facilitate the docking hook. When the second lifting lug 4 moves to the hydraulic trolley lifting point, the docking hook of the second lifting lug 4 is observed by the camera. S4 installs the fan blades via the hydraulic turning wheel; S5 installation is complete; unload the auxiliary device to the ground.

2. The method for installing high-altitude wind turbine blades as described in claim 1, characterized in that, The counterweight (5) is connected to the end of the main lifting beam (1) away from the secondary lifting beam (3).

3. The method for installing high-altitude wind turbine blades as described in claim 1, characterized in that, The first lifting lug (2) has attached plates on both sides.

4. The method for installing high-altitude wind turbine blades as described in claim 1, characterized in that, The installation of S105 is complete. The steps of unloading the auxiliary device to the ground include: The auxiliary device was removed from the vehicle using a crane. The auxiliary device was lowered to the ground using a crane; Remove the crane hook from the auxiliary device.

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