Large wind turbine blade edging device and method of use

Abstract

The application belongs to the technical field of wind power blades, and discloses a large wind power blade edge repairing device and a use method thereof. The device comprises: a moving module, the moving module is provided with two groups, the two groups of moving modules are respectively arranged on the opposite sides of a blade girder along the radial direction of the blade girder, each moving module comprises a first guide rail extending along the axial direction of the blade girder; a bearing part, the bearing part is movably connected to each first guide rail, and the bearing part can move along the length direction of the first guide rail; and a cutting assembly, the cutting assembly is arranged on each bearing part, the cutting assembly comprises a connecting rod mechanism and a cutting tool, the connecting rod mechanism is connected between the bearing part and the cutting tool, the connecting rod mechanism can drive the cutting tool to move, and the cutting tool is used for cutting the two side edges of the blade girder along the radial direction of the blade girder. The application can realize efficient and automatic blade edge repairing.

Description

Technical Field

[0001] This invention relates to the field of wind turbine blade technology, and in particular to a large wind turbine blade edge repair device and its usage method. Background Technology

[0002] In the manufacturing process of large wind turbine blades, blade edge trimming is a crucial step in ensuring the precision of blade assembly and its subsequent performance. Blade edge trimming refers to the process of trimming the two axially extending edges, which can be tens of meters long, of the blade's internal spars after they have been molded and removed from the mold, in order to remove excess material. The complete blade assembly then proceeds after the spars trimming is completed.

[0003] Existing blade edge trimming processes mainly rely on manual operation, with operators walking along the edge of the blade spars using handheld angle grinders. However, because the cutting trajectory on the blade spars is a three-dimensional curve, and some cut surfaces need to be at specific tilt angles, manual operation easily leads to inconsistent trimming quality. Furthermore, manual labor is labor-intensive, making it difficult to complete the trimming in one go along the blade sparsity axis, resulting in low trimming efficiency.

[0004] Therefore, there is an urgent need to propose a large-scale wind turbine blade edge repair device and its usage method to solve the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of this invention is to provide a large wind turbine blade edge repair device and its usage method, which can achieve efficient and automated blade edge repair.

[0006] Based on the above concept, the technical solution adopted by this invention is as follows:

[0007] In a first aspect, the present invention provides a large wind turbine blade trimming device, comprising:

[0008] The moving module is provided in two sets, and the two sets of moving modules are respectively located on opposite sides of the blade spall along its own radial direction. Each moving module includes a first guide rail extending along the axial direction of the blade spall.

[0009] The carrier is movably connected to each of the first guide rails, and the carrier is capable of moving along the length direction of the first guide rail.

[0010] A cutting assembly is provided on each of the carrier members. The cutting assembly includes a linkage mechanism and a cutting tool. The linkage mechanism is connected between the carrier member and the cutting tool. The linkage mechanism can drive the cutting tool to move. The cutting tool is used to cut the two sides of the blade beam along its own radial direction.

[0011] In some embodiments, the linkage mechanism includes a connector, a first link, and a second link. The connector is disposed on the support member. One end of the first link is rotatably connected to the connector, and the second link is rotatably connected to the other end of the first link. The cutting tool is disposed at the end of the second link away from the first link.

[0012] In some embodiments, an elastic clamping member is provided between the second connecting rod and the cutting tool, and when the cutting tool abuts against the blade beam, the cutting tool can always be in contact with the blade beam under the elastic force of the elastic clamping member.

[0013] In some embodiments, each of the carrier members is provided with a second guide rail extending in a vertical direction, and the connector is movably connected to the second guide rail and can move along the length direction of the second guide rail.

[0014] In some embodiments, the cutting tool includes a flexible guide and a cutting edge, the cutting edge being arranged on the side of the flexible guide facing the blade spars.

[0015] In some embodiments, a crossbeam is connected between the tops of the two carriers, and the crossbeam and the two carriers are capable of moving together along the length of the first guide rail.

[0016] In some embodiments, the large wind turbine blade trimming device further includes a dust cover, which covers and connects to the two support members, and places the crossbeam, the two support members and the two cutting components inside the dust cover.

[0017] In some embodiments, the mobile module further includes a driving component, wherein each of the first guide rails is provided with a driving component at each of its opposite ends along its own length direction, and one of the two driving components at each end of the first guide rail is configured to drive the corresponding carrier to move along a first direction, and the other is configured to drive the corresponding carrier to move along a second direction, wherein the first direction and the second direction are two opposite directions along the length direction of the first guide rail.

[0018] In some embodiments, the drive assembly includes a first drive motor, a brake, a reducer, a drum, and a traction rope. The input end of the brake is connected to the output end of the first drive motor, the input end of the reducer is connected to the output end of the brake, the drum is connected to the output end of the reducer, and the axial direction of the drum is perpendicular to the length direction of the first guide rail. The traction rope can be wound around the outer circumference of the drum, and one end of the traction rope is connected to the carrier.

[0019] Secondly, the present invention provides a method for using a large wind turbine blade trimming device, employing the large wind turbine blade trimming device described in the first aspect; the method for using the large wind turbine blade trimming device includes the following steps:

[0020] Position the carrier at the edge repair starting position;

[0021] The linkage mechanism is activated, causing the cutting tool to abut against the blade beam;

[0022] The carrier is moved along the length of the first guide rail. During the movement of the carrier, the cutting tool is adjusted in real time by the linkage mechanism so that the cutting tool can always abut against and cut the blade beam until the carrier moves from the edge trimming start position to the edge trimming end position.

[0023] The beneficial effects of this invention are:

[0024] The large wind turbine blade trimming device provided by this invention automates blade trimming, eliminating the need for manual cutting. The cooperation between the moving module and the carrier component drives the cutting assembly to move automatically, while the linkage mechanism automatically adjusts the position of the cutting tool, ensuring effective cutting at all times. This not only significantly reduces manual labor intensity, but the continuous movement of the carrier component also allows for the completion of trimming along the blade sparsity axis in a single operation, shortening the blade production cycle. Furthermore, compared to manual trimming, this automated blade trimming method avoids cutting path deviation, thereby improving trimming accuracy.

[0025] The method of using the large wind turbine blade trimming device provided by the present invention, due to the adoption of the above-mentioned large wind turbine blade trimming device, only requires three steps to complete the trimming operation: positioning the starting position, adjusting the tool, and moving the cutting. This is conducive to achieving efficient and automated blade trimming. Attached Figure Description

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

[0027] Figure 1 This is a schematic diagram of the structure of the large wind turbine blade edge repair device and blade spars provided in the embodiments of the present invention;

[0028] Figure 2 yes Figure 1 A magnified view of a portion of the image;

[0029] Figure 3 This is a schematic diagram of the structure of the driving component provided in an embodiment of the present invention;

[0030] Figure 4 This is a schematic diagram of the cutting assembly provided in an embodiment of the present invention;

[0031] Figure 5 yes Figure 4 A magnified view of a portion of the image;

[0032] Figure 6 This is a schematic diagram of the structure of the large wind turbine blade trimming device (including a dust cover) and the blade spar provided in the embodiment of the present invention.

[0033] In the picture:

[0034] 1. Moving module; 11. First guide rail; 12. Drive assembly; 121. First drive motor; 122. Brake; 123. Reducer; 124. Drum;

[0035] 2. Load-bearing component; 21. Second guide rail;

[0036] 3. Cutting assembly; 31. Linkage mechanism; 311. Connector; 312. First link; 313. Second link; 314. Second drive motor; 32. Cutting tool; 321. Flexible guide;

[0037] 4. Elastic clamping components;

[0038] 5. Crossbeam;

[0039] 6. Dust cover;

[0040] 7. Third drive motor;

[0041] 100. Blade beam. Detailed Implementation

[0042] 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 will be clearly and completely described below 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.

[0043] Therefore, the following 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.

[0044] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0045] In the description of this invention, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0046] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" 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. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0047] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0048] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0049] like Figures 1-6 As shown, this embodiment provides a large wind turbine blade trimming device, including a moving module 1, a carrier 2, and a cutting assembly 3.

[0050] Two sets of moving modules 1 are provided, respectively located on opposite sides of the blade spar 100 along its radial direction. Each moving module 1 includes a first guide rail 11 extending axially along the blade spar 100. Figure 1 In the diagram, the X direction represents the axial direction of the blade spars 100, and the Y direction represents the radial direction of the blade spars 100.

[0051] Each first guide rail 11 is movably connected to a carrier 2, which can move along the length of the first guide rail 11, that is, the carrier 2 can move along the axial direction of the blade beam 100. Each carrier 2 is provided with a cutting assembly 3, which includes a linkage mechanism 31 and a cutting tool 32. The linkage mechanism 31 is connected between the carrier 2 and the cutting tool 32, and the linkage mechanism 31 can drive the cutting tool 32 to move. The cutting tool 32 is used to cut the two sides of the blade beam 100 along its own radial direction.

[0052] In practice, the cutting assembly 3 can move along the first guide rail 11 together with the corresponding carrier 2. At the same time, the position of the cutting tool 32 can be adjusted in real time through the action of the linkage mechanism 31, so that the cutting tool 32 can always cut the edge of the blade beam 100 during the movement of the carrier 2. In this way, the edge trimming operation of the blade beam 100 can be automatically completed as the carrier 2 moves.

[0053] The large wind turbine blade trimming device provided in this embodiment automates blade trimming, eliminating the need for manual cutting. The cooperation between the moving module 1 and the carrier 2 drives the cutting assembly 3 to move automatically. Simultaneously, the linkage mechanism 31 automatically adjusts the position of the cutting tool 32, ensuring that the cutting tool 32 can always perform effective cutting. This not only significantly reduces the intensity of manual labor, but the continuous movement of the carrier 2 can also complete the trimming operation along the blade sparsity 100 axis in one go, which helps shorten the blade production cycle. Furthermore, compared to manual trimming, this automated blade trimming method avoids deviation of the cutting path, thereby improving trimming accuracy.

[0054] Correspondingly, this embodiment also provides a method for using a large wind turbine blade trimming device, employing the aforementioned large wind turbine blade trimming device. The method for using this large wind turbine blade trimming device includes the following steps:

[0055] S1. Position the bearing 2 at the starting position of the edge repair;

[0056] S2. Start the linkage mechanism 31 so that the cutting tool 32 abuts against the blade beam 100;

[0057] S3. Move the carrier 2 along the length of the first guide rail 11. During the movement of the carrier 2, adjust the cutting tool 32 in real time through the linkage mechanism 31 so that the cutting tool 32 can always abut against and cut the blade beam 100 until the carrier 2 moves from the edge trimming start position to the edge trimming end position.

[0058] The method of using the large wind turbine blade trimming device provided in this embodiment, due to the adoption of the above-mentioned large wind turbine blade trimming device, only requires three steps to complete the trimming operation: positioning the starting position, adjusting the tool, and moving the cutting. This is conducive to achieving efficient and automated blade trimming.

[0059] It should be noted that in this embodiment, the edge trimming process performed by the movement of the bearing member 2 and the action of the linkage mechanism 31 is controlled by the control system. The control system can adopt the settings in the prior art, which will not be described in detail here.

[0060] like Figure 1 As shown, in some embodiments, the mobile module 1 further includes a drive component 12. Each first guide rail 11 has a drive component 12 at each opposite end along its length. One of the two drive components 12 at each end of the first guide rail 11 is configured to drive the corresponding carrier 2 to move along a first direction, and the other is configured to drive the corresponding carrier 2 to move along a second direction. The first and second directions are two opposite directions along the length of the first guide rail 11. Figure 1 Taking the orientation shown as an example, one drive assembly 12 is responsible for driving the corresponding carrier 2 to move forward along the axial direction of the blade beam 100, while the other drive assembly 12 is responsible for driving the corresponding carrier 2 to move backward along the axial direction of the blade beam 100.

[0061] With this setup, the carrier 2 can move flexibly back and forth along the blade beam 100 axis. At the same time, the independent control of the two drive components 12 can more accurately regulate the movement direction and motion state of the carrier 2, avoiding the operational limitations caused by a single drive direction.

[0062] like Figure 3 As shown, in some embodiments, the drive assembly 12 includes a first drive motor 121, a brake 122, a reducer 123, a drum 124, and a traction rope (not shown in the figure). The input end of the brake 122 is connected to the output end of the first drive motor 121, the input end of the reducer 123 is connected to the output end of the brake 122, the drum 124 is connected to the output end of the reducer 123, and the axial direction of the drum 124 is perpendicular to the length direction of the first guide rail 11. The traction rope can be wound around the outer circumference of the drum 124, and one end of the traction rope is connected to the carrier 2.

[0063] With this setup, the first drive motor 121 provides power output, and the brake 122 can brake quickly when needed to prevent the carrier 2 from moving excessively due to inertia. The reducer 123 can convert the high-speed rotation of the first drive motor 121 into the low-speed rotation of the drum 124. Combined with the transmission between the drum 124 and the traction rope, the movement speed of the carrier 2 is smoother, which meets the requirement of uniform speed movement in edge repair operations.

[0064] like Figure 4 As shown, in some embodiments, the linkage mechanism 31 includes a connector 311, a first link 312, and a second link 313. The connector 311 is disposed on the support member 2. One end of the first link 312 is rotatably connected to the connector 311, and the second link 313 is rotatably connected to the other end of the first link 312. The cutting tool 32 is disposed at the end of the second link 313 away from the first link 312. The rotation of the first link 312 can drive the second link 313 and the cutting tool 32 to move along an arc-shaped path. The second link 313 itself can also rotate relative to the first link 312 to further adjust the position of the cutting tool 32.

[0065] With this configuration, the linkage mechanism 31 forms a multi-degree-of-freedom movable structure, which can accurately transmit position adjustment actions through the coordinated rotation of the two linkages, so that the cutting tool 32 can flexibly adapt to the three-dimensional curve and specific inclined surface of the blade beam 100 edge.

[0066] Optionally, such as Figure 4 As shown, the linkage mechanism 31 also includes a second drive motor 314. The first link 312 and the second link 313 move in coordination under the control of the second drive motor 314, thereby moving the cutting tool 32 to a designated position on the blade beam 100.

[0067] Of course, in other embodiments, the number of links in the linkage mechanism 31 can also be set to three, four, etc., depending on the actual situation.

[0068] like Figure 4 and Figure 5 As shown, in some embodiments, an elastic clamping member 4 is provided between the second connecting rod 313 and the cutting tool 32. When the cutting tool 32 abuts against the blade beam 100, the cutting tool 32 can always be in contact with the blade beam 100 under the elastic force of the elastic clamping member 4. This arrangement can provide a continuous and flexible clamping force to the cutting tool 32 through the elastic force of the elastic clamping member 4 itself, thereby ensuring that the cutting tool 32 can always be in contact with the surface of the blade beam 100, avoiding gaps that would lead to incomplete edge trimming.

[0069] Optionally, the elastic clamping element 4 may include, but is not limited to, a coil spring.

[0070] like Figure 4 and Figure 5 As shown, in some embodiments, the cutting tool 32 includes a flexible guide portion 321 and a cutting edge, with the cutting edge arranged on the side of the flexible guide portion 321 facing the blade spars 100. The flexible guide portion 321 can undergo elastic deformation, thereby enabling the cutting edge on the flexible guide portion 321 to better adapt to the shape of the surface to be cut on the blade spars 100, which is beneficial to enhancing the fit of the cutting tool 32 to irregular cutting trajectories.

[0071] like Figure 4 and Figure 5 As shown, the flexible guide 321 can be configured as an arc shape, a V shape, etc., depending on the actual situation.

[0072] like Figure 2 and Figure 4 As shown, in some embodiments, each carrier 2 is provided with a second guide rail 21 extending in the vertical direction, and the connector 311 is movably connected to the second guide rail 21 and can move along the length direction of the second guide rail 21.

[0073] By setting the second guide rail 21, the linkage mechanism 31 can be driven to move up and down in the vertical direction, thereby realizing the flexible adjustment of the vertical position of the cutting tool 32.

[0074] Optionally, each carrier 2 is provided with a third drive motor 7, and the second guide rail 21 is provided with rolling elements (such as rollers, balls, etc.). The third drive motor 7 can drive the rolling elements to rotate, thereby driving the connecting member 311 to move.

[0075] like Figure 2 As shown, in some embodiments, a crossbeam 5 is connected between the tops of the two carriers 2, and the crossbeam 5 and the two carriers 2 can move together along the length direction of the first guide rail 11.

[0076] The crossbeam 5 connects the two support members 2 into a whole, so that the two cutting components 3 can move synchronously with the two support members 2; in addition, the crossbeam 5 can also improve the structural rigidity of the two support members 2 and reduce the deformation of the support members 2.

[0077] The construction process typically generates a large amount of fiberglass dust, which pollutes the surrounding environment. Furthermore, this dust cannot be metabolized by the human body and can cause ongoing harm to workers. Therefore, such as... Figure 6As shown, in some embodiments, the large wind turbine blade trimming device also includes a dust cover 6. The dust cover 6 is fitted over and connected to two support members 2, and the crossbeam 5, the two support members 2, and the two cutting components 3 are all located inside the dust cover 6. The dust cover 6 can move together with the support members 2. The dust cover 6 can effectively enclose the fiberglass dust generated during the cutting operation inside, preventing the dust from spreading to the surrounding environment, reducing pollution to the surrounding environment, and preventing the dust from being inhaled by workers.

[0078] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A large wind turbine blade edge trimming device, characterized in that, include: The moving module (1) is provided in two sets, and the two sets of moving modules (1) are respectively provided on opposite sides of the blade beam (100) along its own radial direction. Each moving module (1) includes a first guide rail (11) extending along the axial direction of the blade beam (100). The carrier (2) is movably connected to each of the first guide rails (11), and the carrier (2) is capable of moving along the length direction of the first guide rail (11); A cutting assembly (3) is provided on each of the carrier members (2). The cutting assembly (3) includes a linkage mechanism (31) and a cutting tool (32). The linkage mechanism (31) is connected between the carrier member (2) and the cutting tool (32). The linkage mechanism (31) can drive the cutting tool (32) to move. The cutting tool (32) is used to cut the two sides of the blade beam (100) along its own radial direction. The linkage mechanism (31) includes a connector (311), a first link (312), and a second link (313). The connector (311) is disposed on the bearing member (2). One end of the first link (312) is rotatably connected to the connector (311), and the second link (313) is rotatably connected to the other end of the first link (312). The cutting tool (32) is disposed at the end of the second link (313) away from the first link (312). The cutting tool (32) includes a flexible guide (321) and a cutting edge, the cutting edge being arranged on the side of the flexible guide (321) facing the blade spars (100).

2. The large wind turbine blade trimming device according to claim 1, characterized in that, An elastic clamping member (4) is provided between the second connecting rod (313) and the cutting tool (32). When the cutting tool (32) abuts against the blade beam (100), the cutting tool (32) can always fit against the blade beam (100) under the elastic force of the elastic clamping member (4).

3. The large wind turbine blade trimming device according to claim 1, characterized in that, Each of the carrier members (2) is provided with a second guide rail (21) extending in the vertical direction. The connector (311) is movably connected to the second guide rail (21) and can move along the length direction of the second guide rail (21).

4. The large wind turbine blade trimming device according to any one of claims 1 to 3, characterized in that, A crossbeam (5) is connected between the tops of the two support members (2), and the crossbeam (5) and the two support members (2) can move together along the length direction of the first guide rail (11).

5. The large wind turbine blade trimming device according to claim 4, characterized in that, The large wind turbine blade trimming device also includes a dust cover (6), which covers and connects to the two bearing members (2), and the crossbeam (5), the two bearing members (2) and the two cutting components (3) are all located inside the dust cover (6).

6. The large wind turbine blade trimming device according to any one of claims 1 to 3, characterized in that, The mobile module (1) further includes a drive component (12). Each of the first guide rails (11) has a drive component (12) at each of its opposite ends along its length direction. One of the two drive components (12) at each end of the first guide rail (11) is configured to drive the corresponding carrier (2) to move along a first direction, and the other is configured to drive the corresponding carrier (2) to move along a second direction. The first direction and the second direction are two opposite directions along the length direction of the first guide rail (11).

7. The large wind turbine blade trimming device according to claim 6, characterized in that, The drive assembly (12) includes a first drive motor (121), a brake (122), a reducer (123), a drum (124), and a traction rope. The input end of the brake (122) is connected to the output end of the first drive motor (121), the input end of the reducer (123) is connected to the output end of the brake (122), the drum (124) is connected to the output end of the reducer (123), and the axial direction of the drum (124) is perpendicular to the length direction of the first guide rail (11). The traction rope can be wound around the outer circumference of the drum (124), and one end of the traction rope is connected to the carrier (2).

8. The method of using a large wind turbine blade edge trimming device, characterized in that, The large wind turbine blade trimming device according to any one of claims 1 to 7 is used; the method of using the large wind turbine blade trimming device includes the following steps: Position the carrier (2) at the edge-repairing starting position; The linkage mechanism (31) is activated, causing the cutting tool (32) to abut against the blade beam (100). The carrier (2) is moved along the length of the first guide rail (11). During the movement of the carrier (2), the cutting tool (32) is adjusted in real time by the linkage mechanism (31) so that the cutting tool (32) can always abut against and cut the blade beam (100) until the carrier (2) moves from the edge trimming start position to the edge trimming end position.

Images