Protective coating device for front edge of wind power blade

Abstract

The invention discloses a wind power blade leading edge protection coating device which comprises a feeding mechanism which comprises a pair of material spraying assemblies oppositely arranged on the two sides of the wind power blade in the length direction, a material storage bin and a material pumping device arranged between the material storage bin and the pair of material spraying assemblies; each material spraying assembly comprises a spray head structure and a four-dimensional driving unit used for driving the spray head structure to move; the four-dimensional driving unit comprises a first driving set used for driving the spray head structure to do linear lifting motion in the width direction of the wind power blade, a second driving set used for driving the spray head structure to do linear motion relatively close to and away from the wind power blade, and a third driving set used for driving the spray head structure to do pitching motion. The fourth driving group is used for driving the spray head structure to swing; the blade coating mechanism at least comprises a blade coating support, a scraper arranged on the blade coating support and used for forming a blade coating space, and a scraper adjusting unit used for driving the scraper to deform so as to adjust the size of the blade coating space.

Description

Technical Field

[0001] The present invention relates to the technical field of wind turbine blade processing, and in particular to a wind turbine blade leading edge protection coating device. Background Art

[0002] Wind turbine blade damage is inevitable during long-term operation. Wind turbine blades withstand intense wind loads and the impact of sand and gravel particles, leaving them susceptible to surface defects such as scratches, corrosion, and cracks. Wind turbine blades can be hundreds of feet long and weigh thousands of pounds. Not only do they operate at high altitudes, but many are located miles away, making access difficult and dangerous. Wind turbines are typically installed in windy and sandy environments. During rotation, the blade tips are subject to high linear velocities, exceeding 70 m / s at rated speed. This causes severe wear and tear on the leading edges of the blades from the sand, leading to cracking. Currently, effective preventative measures include applying protective paint to the leading edges of the blades, particularly at the tips.

[0003] Publication number CN117696352A discloses a robot for coating the leading edge of wind turbine blades. This robot applies protective paint to the leading edge of the blades by combining a detection device for detecting direct surface data of the working area, a loading device for applying paint to the bottom and both sides of the leading edge of the wind turbine blades, and a scraping device for evenly smoothing the paint applied by the loading device. While this robot improves coating efficiency and uniformity compared to manual operation, further research and testing revealed the following issues with the robot:

[0004] The above-mentioned technology discloses a feeding device that mainly includes: side brush devices, which are symmetrically arranged on both sides of the feeding device frame and are used to apply paint to both sides of the wind turbine blade; and a roller brush device, which is arranged on the feeding device frame and is used to apply paint to the bottom end of the leading edge of the wind turbine blade. Therefore, in order to meet the requirements of coating the leading edge of the wind turbine blade with protective paint, the cooperation of two sets of brush rollers, the side brush device and the roller brush device, is required. On the one hand, the cooperation of the two sets of brush roller systems leads to an insufficiently simplified structure of the overall wind turbine blade leading edge protection coating device. On the other hand, any error in any brush roller system will affect the accuracy of the coating operation.

[0005] Therefore, in order to solve the problems existing in the existing wind turbine blade leading edge protection coating device, its overall structure needs to be further optimized. Summary of the Invention

[0006] The purpose of the present invention is to provide a wind turbine blade leading edge protection coating device to solve the technical problem of balancing coating uniformity and structural simplicity.

[0007] The wind turbine blade leading edge protection coating device of the present invention is implemented as follows:

[0008] A wind turbine blade leading edge protection coating device, comprising at least:

[0009] A feeding mechanism comprising a pair of spray assemblies arranged relatively on either side of the length of the wind turbine blade, a storage bin, and a pump disposed between the storage bin and the pair of spray assemblies; each of the spray assemblies comprises a nozzle structure and a four-dimensional drive unit for driving the nozzle structure to move; the four-dimensional drive unit comprises a first drive group for driving the nozzle structure to perform linear lifting motion along the width direction of the wind turbine blade, a second drive group for driving the nozzle structure to perform linear motion relatively close to and away from the wind turbine blade, a third drive group for driving the nozzle structure to perform pitch motion, and a fourth drive group for driving the nozzle structure to perform swing motion;

[0010] The scraping mechanism comprises at least a scraping support, a scraper arranged on the scraping support for forming a scraping space, and a scraper adjusting unit for driving the scraper to deform to adjust the size of the scraping space.

[0011] In an optional embodiment of the present invention, the nozzle structure includes a carrier plate and a plurality of nozzles provided on the carrier plate;

[0012] The third driving group includes a U-shaped support frame that rotates with the carrier plate, and a pitch servo that is arranged on the U-shaped support frame and is used to drive the carrier plate to rotate relative to the U-shaped support frame.

[0013] In an optional embodiment of the present invention, the fourth drive group includes a telescopic electric cylinder connected to one end of the U-shaped support frame along the length direction of the U-shaped support frame, a support plate connected to the other end of the U-shaped support frame through a rotating shaft, and a movable plate for loading the telescopic electric cylinder; wherein

[0014] The supporting plate is fixedly connected to the movable plate.

[0015] In an optional embodiment of the present invention, the second driving group includes a support base for slidingly engaging with the movable plate, and a second linear motion driving member provided on the support base for driving the movable plate to move.

[0016] In an optional embodiment of the present invention, the first driving group includes a column slidably coupled to the support seat, and a first linear motion driving member provided on the column for driving the support seat to move.

[0017] In an optional implementation of the present invention, the wind turbine blade leading edge protection coating device further includes a detection mechanism;

[0018] The detection mechanism comprises at least two lateral detection components located on both sides of the wind turbine blade in the length direction and at least one bottom detection component located at the bottom of the wind turbine blade.

[0019] In an optional embodiment of the present invention, the lateral detection component adopts a laser rangefinder; and

[0020] The bottom detection assembly includes a supporting block suitable for supporting the bottom of the wind turbine blade, an elastic support connected to the supporting block, and a linear displacement sensor provided on the elastic support for detecting the supporting block.

[0021] In an optional embodiment of the present invention, the scraper adjustment unit includes a V-shaped flexible substrate that conforms to the scraper, and a pair of telescopic driving members connected to the top ends of a pair of side edges of the flexible substrate; wherein

[0022] The top ends of a pair of side edges of the scraper are respectively connected to the flexible substrate via springs; and

[0023] A tension sensor is respectively provided at the top end of a pair of side edges of the flexible substrate, and each tension sensor is connected to the scraper through a spring.

[0024] In an optional embodiment of the present invention, the wind turbine blade leading edge protection coating device further includes a support base for supporting a feeding mechanism and a scraping mechanism; and

[0025] The scraping and coating support is connected to the support base via at least four buffer floating components;

[0026] Each of the buffer floating components includes a guide column fixed on the bottom support frame, a slider mounted on the guide column, a connecting piece connected to the slider, and an elastic body mounted on the guide column and suitable for being compressed and deformed as the slider slides along the guide column.

[0027] In an optional embodiment of the present invention, the wind turbine blade leading edge protection coating device includes a lifting mechanism provided below the support base for driving the support base to perform lifting motion, and a moving chassis provided below the lifting mechanism.

[0028] By adopting the above technical solution, the present invention has the following beneficial effects: a feeding mechanism of the present invention and a wind turbine blade leading edge protective coating device using the same, for the feeding mechanism, the spray assembly adopted by it realizes its movement process in four different dimensions relative to the wind turbine blade through a four-dimensional drive unit. Based on this, only one spray system is needed to meet the demand for applying protective paint to the leading edge of the wind turbine blade, so the structure of the overall feeding mechanism can be simplified. For the control process of a spray system, the control error is small, so the operation accuracy of the feeding process can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic structural diagram of a wind turbine blade leading edge protection coating device from a first perspective of the present invention;

[0030] Figure 2 This is a schematic structural diagram of the wind turbine blade leading edge protection coating device from a second perspective of the present invention;

[0031] Figure 3 This is a schematic structural diagram of the wind turbine blade leading edge protection coating device from a third perspective of the present invention;

[0032] Figure 4 for Figure 1 A schematic diagram of the enlarged structure of part A;

[0033] Figure 5 for Figure 2 Schematic diagram of the enlarged structure of part B;

[0034] Figure 6 It is a structural schematic diagram of the lifting column of the wind turbine blade leading edge protection coating device of the present invention.

[0035] In the figure: storage bin 101, pump 102, coating bracket 201, scraper 202, connecting piece 203, guide column 204, slider 205, elastic body 206, flexible substrate 207, telescopic drive member 208, spring 209, tension sensor 210, connecting plate 211, bull's eye bearing 212, connecting hole 213, laser rangefinder 301, supporting block 302, supporting frame 303, guide column 304, elastic member 305, linear displacement sensor 306, carrier plate 401, nozzle 402, U-shaped support frame 403, pitch servo 4 04, telescopic electric cylinder 405, support plate 406, rotating shaft 407, movable plate 408, support seat 409, second linear motion drive component 410, column 411, first linear motion drive component 412, transverse support frame 501, longitudinal support frame 502, L-shaped connecting plate 503, screw 504, butterfly nut 505, matching hole 506, support base 6, motion chassis 701, omnidirectional steering wheel 702, transmission shaft 801, reducer 802, motor 803, lifting column 804, rack surface 805, sheath tube 806, protective cover 807. DETAILED DESCRIPTION

[0036] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0037] See also Figures 1 to 6 As shown, this embodiment provides a wind turbine blade leading edge protection coating device, which at least includes: a practical feeding mechanism and a scraping mechanism.

[0038] Generally speaking, the feeding mechanism includes a pair of spraying assemblies arranged on both sides of the length direction of the wind turbine blade, a storage bin 101, and a pump 102 provided between the storage bin 101 and the pair of spraying assemblies. The pump 102 can be, for example, but not limited to, a peristaltic pump. It should be noted that here, the pair of spraying assemblies can be respectively equipped with a storage bin 101 and a pump 102, or the pair of spraying assemblies can share a storage bin 101 and a pump 102. The pump 102 is connected to the storage bin 101 and the spraying assembly through a flexible material pipe.

[0039] The scraping mechanism at least includes a scraping support 201, a scraper 202 provided on the scraping support 201 for forming a scraping space, and a scraper adjustment unit for driving the scraper 202 to deform to adjust the size of the scraping space.

[0040] Next, to be specific, first, each spray assembly includes a nozzle structure and a four-dimensional drive unit for driving the movement of the nozzle structure; the four-dimensional drive unit includes a first drive group for driving the nozzle structure to perform linear lifting and lowering motion along the width direction of the wind turbine blade, a second drive group for driving the nozzle structure to perform linear motion relatively close to and away from the wind turbine blade, a third drive group for driving the nozzle structure to perform pitch motion, and a fourth drive group for driving the nozzle structure to perform swing motion.

[0041] Through the design of the four-dimensional drive unit here, on the one hand, the adaptability of the nozzle structure to the complex curved surfaces of the wind turbine blades can be improved, the spraying area of ​​the nozzle structure and the uniformity of the distribution of the paint sprayed on the surface of the wind turbine blades can be increased; on the other hand, a certain gap can be created between the nozzle structure and the outer surface of the object to be coated, thereby realizing non-contact spraying operation between the nozzle structure and the wind turbine blades, avoiding the problem of wind turbine blades blocking the discharge port of the nozzle structure, and improving the smoothness of the nozzle structure spraying materials.

[0042] Based on the above structure, and in conjunction with the accompanying drawings, an optional embodiment is provided. The nozzle structure includes a carrier plate 401 and a plurality of nozzles 402 mounted on the carrier plate 401. The third drive group includes a U-shaped support frame 403 that rotates with the carrier plate 401, and a pitch servo 404 mounted on the U-shaped support frame 403 and configured to drive the carrier plate 401 to rotate relative to the U-shaped support frame 403. The angle adjustment function of the pitch servo 404 allows the nozzles 402 to flexibly change the spray direction.

[0043] The fourth drive unit includes a telescopic cylinder 405 connected to one end of the U-shaped support frame 403 along its length, a support plate 406 connected to the other end of the U-shaped support frame 403 via a rotating shaft 407, and a movable plate 408 for supporting the telescopic cylinder 405. The support plate 406 is fixedly connected to the movable plate 408. The linear motion of the telescopic cylinder 405 causes the nozzle 402 to rotate about the rotating shaft 407.

[0044] The second drive group includes a support base 409 for slidingly engaging with the movable plate 408, and a second linear motion drive member 410 provided on the support base 409 for driving the movable plate 408 to move. The first drive group includes a column 411 for slidingly engaging with the support base 409, and a first linear motion drive member 412 provided on the column 411 for driving the support base 409 to move. Both the first linear motion drive member 412 and the second linear motion drive member 410 here can directly adopt, for example but not limited to, a cylinder or an electric cylinder or a linear screw module, and this embodiment does not make an absolute limitation on this. The cooperation between the second drive group and the first drive group can realize the movement dimensions of the nozzle 402 in the horizontal and vertical directions.

[0045] On the basis of the above structure, it should be noted that the wind turbine blade leading edge protection coating device also includes a support base 6 for supporting a feeding mechanism and a scraping mechanism; and the scraping bracket 201 is connected to the support base 6 through at least four buffer floating components; each buffer floating component includes a guide column 204 fixed on the bottom support frame, a slider 205 mounted on the guide column 204, a connecting piece 203 connected to the slider 205, and an elastic body 206 mounted on the guide column 204 and suitable for being compressed and deformed as the slider 205 slides along the guide column 204. The connecting piece 203 is fixed to the scraping bracket 201. Here, through the design of the buffer floating component, the contact pressure between the scraper 202 and the surface to be scraped of the wind turbine blade can be evenly distributed, and at the same time, it can be avoided that the scraper 202 generates a large scraping force during the scraping process and causes damage to the top of the leading edge of the wind turbine blade.

[0046] In addition, it should be noted that the wind turbine blade leading edge protection coating device also includes a detection mechanism; the detection mechanism used in this embodiment includes at least two lateral detection components located on both sides of the length direction of the wind turbine blade and at least one bottom detection component located at the bottom of the wind turbine blade.

[0047] As an example of an optional situation with reference to the accompanying drawings, the lateral detection component uses a laser rangefinder 301; and the bottom detection component includes a support block 302 suitable for supporting the bottom of the wind turbine blade, an elastic support connected to the support block 302, and a linear displacement sensor 306 provided on the elastic support for detecting the support block 302. The linear displacement sensor 306 here can optionally be, for example, but not limited to, a magnetostrictive sensor. A support frame 303 is provided above the support base 6, and a pair of spray assemblies are provided on the support frame 303. At least two laser rangefinders 301 are respectively provided on the carrier plate 401 corresponding to each spray assembly, which can be, for example, but not limited to, four laser rangefinders 301 provided separately, to monitor the distance between the nozzle 402 and the outer surface of the wind turbine blade to be sprayed, and to ensure that the spraying distance of the nozzle 402 relative to the wind turbine blade is appropriate.

[0048] As an example of an elastic support, the example includes a pair of guide posts 304 fixed on a support frame 303, and a pair of elastic members 305 respectively mounted on the pair of guide posts 304; the support block 302 is in sliding cooperation with the pair of guide posts 304. The linear displacement sensor 306 is fixed on the support frame 303 and can detect the distance of the support block 302 sliding relative to the guide posts 304 relative to the support frame 303. Here, the support block 302 is combined with the elastic support so that the support block 302 can form a reliable cooperation with the wind turbine blade. Different wind turbine blades have different forces acting on the support block 302, so the pressure generated by the support block 302 on the elastic member 305 is also different. Therefore, for different wind turbine blades, the distance of the support block 302 relative to the support frame 303 will also be different.

[0049] Next, we will describe the scraper adjustment unit. It includes a V-shaped flexible substrate 207 that conforms to the scraper 202, and a pair of telescopic actuators 20 connected to the top ends of a pair of side edges of the flexible substrate 207. The top ends of the pair of side edges of the scraper 202 are each connected to the flexible substrate 207 via a spring 209. Furthermore, each of the top ends of the pair of side edges of the flexible substrate 207 is provided with a tension sensor 210, each of which is connected to the scraper 202 via a spring 209. The telescopic actuators 20 can optionally be telescopic servo cylinders. Real-time feedback from the tension sensors 210 dynamically adjusts the telescopic length of the telescopic actuators 20, ensuring that the scraper 202 maintains continuous contact with the area to be scraped on the leading edge of the wind turbine blade.

[0050] Based on the above structure, in an optional implementation, for the flexible substrate 207, the top ends of a pair of side edges are respectively connected to a connecting plate 211, and each connecting plate 211 is used to connect to the telescopic drive member 20. On this basis, the flexible substrate 207 is connected to the connecting plate 211 through a bull's eye bearing 212, so that the flexible substrate 207 and the scraper 202 can be fine-tuned within a certain angle range relative to the connecting plate 211.

[0051] The flexible substrate 207 is driven by a pair of telescopic driving members 20 to make the scrapers 202 relatively close and open to adjust the two scrapers 202 to form scraping spaces of different sizes, so that the scraping spaces of this embodiment can be suitable for wind turbine blades of different sizes.

[0052] Based on the above situation, in order to facilitate the adjustment of the inclination angle of the scraper 202 relative to the coating support 201, this embodiment also makes the following design:

[0053] A pair of telescopic drive members 20 are secured by a connecting frame, which includes a transverse support frame 501 and a pair of longitudinal support frames 502 connected to the transverse support frame 501. The longitudinal support frames 502 each mate with a scraper support. Multiple connection holes 213 are provided on each of the scraper support 201 and the longitudinal support frames 502. By selecting different connection holes 213, the angle of engagement between the scraper support 201 and the longitudinal support frames 502 can be adjusted. Furthermore, the flexible substrate 207 is connected to the scraper support 201 via an L-shaped connecting plate 503. A screw 504 is rotatably connected to the L-shaped connecting plate 503. The scraper support 201 is provided with a mating hole 506 for the screw 504 to pass through, and a butterfly nut 505 is screwed to the screw 504. The butterfly nut 505 is sleeved on the side of the screw 504 that extends out from the scraper bracket facing away from the L-shaped connecting plate 503. The inclination angle of the flexible substrate 207 relative to the scraper bracket 201 can be adjusted by adjusting the butterfly nut 505 and the screw 504. In this way, the cooperation between the L-shaped connecting plate 503 and the scraper bracket 201 and the coordinated cooperation between the connecting frame and the scraper bracket 201 ensures that after the inclination angle of the entire flexible substrate 207 relative to the scraper bracket 201 is adjusted to the right position, the scraper 202 on the flexible substrate 207 can be used reliably.

[0054] Finally, it is necessary to explain that the wind turbine blade leading edge protection coating device of this embodiment also includes a lifting mechanism provided below the support base 6 for driving the support base 6 to perform lifting movements, and a moving chassis 701 provided below the lifting mechanism.

[0055] Based on the above structure, the bottom detection assembly detects the lower edge of the wind turbine blade in the vertical direction, and then drives the support base 6 and the loading and scraping mechanisms mounted on the support base 6 to move upward and downward via a lifting mechanism, thereby maintaining the vertical fit of the entire wind turbine blade leading edge protection coating device to the wind turbine blade surface. The two lateral detection assemblies primarily measure and compare the outer surfaces of the corresponding wind turbine blades to ensure that the wind turbine blade leading edge protection coating device, under the control of the moving chassis 701, advances along the blade generatrix.

[0056] An example of an optional situation regarding the moving chassis 701 and the lifting mechanism is given in conjunction with the accompanying drawings. In detail:

[0057] The motion chassis 701 utilizes two omnidirectional steering wheels 702 arranged diagonally and symmetrically. This effectively reduces hardware costs compared to conventional motion chassis 701 that require four omnidirectional steering wheels 702, while ensuring both load and stability. Furthermore, the channel steel frame design of the motion chassis 701 reduces its weight compared to a monolithic motion chassis 701, improving motion efficiency.

[0058] The lifting mechanism comprises four transmission shafts 801 arranged to form a rectangular shape, a transmission gear set positioned between adjacent transmission shafts 801, a power element for rotating any of the transmission shafts 801, and a lifting column 804 aligned perpendicularly with each transmission shaft 801. The power element can optionally be implemented using a reducer 802 and a motor 803. The four lifting columns 804 collectively form the bottom support for the support base 6. Each lifting column 804 has a rack surface 805 along one of its axially oriented outer walls. The transmission shaft 801 mating with the lifting column 804 is sheathed with a gear that meshes with the rack surface 805. A protective tube 806 is sheathed around the lifting column 804, which is equipped with a shield 807 that rotatably engages the transmission shaft 801. Thus, the four lifting columns 804 corresponding to the four transmission shafts 801 achieve lifting and lowering of the support base 6, resulting in a higher load-bearing capacity and greater stability.

[0059] In summary, for the wind turbine blade leading edge protection coating device of this embodiment, not only can the efficiency and uniformity of the coating operation on the leading edge of the wind turbine blade be improved through the cooperation of the feeding mechanism and the scraping mechanism; but also the spraying component adopted can realize its movement process in four different dimensions relative to the wind turbine blade through the four-dimensional drive unit. Based on this, only one spraying system is needed to meet the demand for coating the leading edge of the wind turbine blade with protective paint, so the structure of the overall feeding mechanism can be simplified. For the control process of a spraying system, the production cost and the failure rate of use can be reduced, and the control error of a spraying system is small, so the operation accuracy of the feeding process can be improved.

[0060] The above specific embodiments further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0061] In the description of the present invention, it should be understood that the terms indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they cannot be understood as limiting the present invention.

[0062] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0063] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like indicate positions or locations based on the positions shown in the accompanying drawings, or the positions or locations in which the inventive product is typically placed when in use. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0064] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0065] In the present invention, unless otherwise expressly specified or limited, a first feature being above or below a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

Claims

1. A wind turbine blade leading edge protection coating device, characterized in that: At least: A feeding mechanism comprising a pair of spray assemblies arranged relatively on either side of the length of the wind turbine blade, a storage bin, and a pump disposed between the storage bin and the pair of spray assemblies; each of the spray assemblies comprises a nozzle structure and a four-dimensional drive unit for driving the nozzle structure to move; the four-dimensional drive unit comprises a first drive group for driving the nozzle structure to perform linear lifting motion along the width direction of the wind turbine blade, a second drive group for driving the nozzle structure to perform linear motion relatively close to and away from the wind turbine blade, a third drive group for driving the nozzle structure to perform pitch motion, and a fourth drive group for driving the nozzle structure to perform swing motion; The scraping mechanism comprises at least a scraping support, a scraper arranged on the scraping support for forming a scraping space, and a scraper adjusting unit for driving the scraper to deform to adjust the size of the scraping space.

2. The wind turbine blade leading edge protection coating device according to claim 1, characterized in that: The nozzle structure includes a carrier plate and a plurality of nozzles arranged on the carrier plate; The third driving group includes a U-shaped support frame that rotates with the carrier plate, and a pitch servo that is arranged on the U-shaped support frame and is used to drive the carrier plate to rotate relative to the U-shaped support frame.

3. The wind turbine blade leading edge protection coating device according to claim 2, characterized in that: The fourth driving group includes a telescopic electric cylinder connected to one end of the U-shaped support frame along the length direction of the U-shaped support frame, a support plate connected to the other end of the U-shaped support frame through a rotating shaft, and a movable plate for loading the telescopic electric cylinder; wherein The supporting plate is fixedly connected to the movable plate.

4. The wind turbine blade leading edge protection coating device according to claim 3, characterized in that: The second driving group includes a support base for slidingly engaging with the movable plate, and a second linear motion driving member provided on the support base for driving the movable plate to move.

5. The wind turbine blade leading edge protection coating device according to claim 4, characterized in that: The first driving group includes a column slidably connected to the support seat, and a first linear motion driving member provided on the column for driving the support seat to move.

6. The wind turbine blade leading edge protection coating device according to any one of claims 1 to 5, characterized in that: The wind turbine blade leading edge protection coating device further includes a detection mechanism; The detection mechanism comprises at least two lateral detection components located on both sides of the wind turbine blade in the length direction and at least one bottom detection component located at the bottom of the wind turbine blade.

7. The wind turbine blade leading edge protection coating device according to claim 6, characterized in that: The lateral detection component adopts a laser rangefinder; and The bottom detection assembly includes a supporting block suitable for supporting the bottom of the wind turbine blade, an elastic support connected to the supporting block, and a linear displacement sensor provided on the elastic support for detecting the supporting block.

8. The wind turbine blade leading edge protection coating device according to any one of claims 1 to 5, characterized in that: The scraper adjustment unit includes a V-shaped flexible substrate that matches the scraper profile, and a pair of telescopic driving members connected to the top ends of a pair of side edges of the flexible substrate; The top ends of a pair of side edges of the scraper are respectively connected to the flexible substrate via springs; and A tension sensor is respectively provided at the top end of a pair of side edges of the flexible substrate, and each tension sensor is connected to the scraper through a spring.

9. The wind turbine blade leading edge protection coating device according to any one of claims 1 to 5, characterized in that: The wind turbine blade leading edge protection coating device further includes a support base for supporting a feeding mechanism and a scraping mechanism; and The scraping and coating support is connected to the support base via at least four buffer floating components; Each of the buffer floating components includes a guide column fixed on the bottom support frame, a slider mounted on the guide column, a connecting piece connected to the slider, and an elastic body mounted on the guide column and suitable for being compressed and deformed as the slider slides along the guide column.

10. The wind turbine blade leading edge protection coating device according to claim 9, characterized in that: The wind turbine blade leading edge protection coating device comprises a lifting mechanism provided below the support base for driving the support base to perform lifting motion, and a moving chassis provided below the lifting mechanism.

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