Device for repairing surface of blade of wind turbine generator

Abstract

The utility model relates to the field of wind power generation, in particular to a device for repairing the surface of a blade of a wind turbine generator, which comprises a fixing rod, one end of the fixing rod is connected with a fixing plate, the edge of the fixing plate is hinged with a folding plate, and scrapers are arranged on the surfaces of the fixing plate and the folding plate. The other end of the fixing rod is provided with a sliding piece capable of being close to or away from the fixing plate, the sliding piece is hinged to the folding plate through a connecting piece, and a repairing material injection pipe is arranged on the fixing plate or the folding plate and used for injecting a repairing material to the scraping plate. The device for repairing the surface of the blade of the wind turbine generator has the advantages that the operation time is shortened, the adaptability of the device is enhanced, and the operation risk of personnel is reduced.

Description

Technical Field

[0001] This utility model relates to the field of wind power generation, and in particular to a device for repairing the surface of wind turbine blades. Background Technology

[0002] The structure of offshore wind turbines can be referenced in Chinese utility model patent CN205025691U, entitled "An Offshore Wind Turbine." Wind turbine blades are key components for absorbing wind energy and converting it into electrical energy. During operation, they are constantly subjected to air corrosion. As the turbine ages, the degree of surface corrosion on the blades becomes increasingly severe, especially near the blade tip. Currently, the main repair device for blade surface corrosion is a roller brush. Repair personnel travel to the area to be repaired in a basket and use a handheld roller brush to apply a coating to the damaged area. This method has the following drawbacks: When repairing the blade surface, the size of the roller brush limits the repair personnel to small-scale, frequent operations. When repairing the leading or trailing edge of the blade, the roller brush or existing scraper cannot conform to the shape of the edge, requiring adjustments to the operation method based on different operating surfaces. This necessitates multiple back-and-forth repairs on both sides, increasing repair time and safety risks for repair personnel. Furthermore, existing roller brush or scraper repair technologies are limited in function, not suitable for installation on mechanical equipment, and have limited repair effectiveness. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a device for repairing the surface of wind turbine blades, which shortens the operation time, enhances the adaptability of the device, and reduces the risk of personnel operation.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a device for repairing the surface of wind turbine blades, including a fixing rod, one end of the fixing rod being connected to a fixing plate, the edge of the fixing plate being hinged to a folding plate, a scraper being provided on the surface of both the fixing plate and the folding plate, a sliding member being provided at the other end of the fixing rod that can move closer to or further away from the fixing plate, the sliding member being hinged to the folding plate through a connecting member, and a repair material injection pipe being provided on the fixing plate or the folding plate, the repair material injection pipe being used to inject repair material into the scraper.

[0005] Furthermore, the scraper is a flexible plate, and the flexible plates on the surfaces of the fixed plate and the folding plate are integrally formed.

[0006] Furthermore, the sliding component is a telescopic rod, and the fixed rod and the telescopic rod are slidably connected coaxially.

[0007] Furthermore, the connector is a connecting rod, with its two ends hinged to the sliding member and the folding plate, respectively.

[0008] Furthermore, a bracket is provided on the fixed plate or folding plate, and the repair material injection tube is installed on the bracket.

[0009] Furthermore, it also includes an elastic element, the two ends of which are connected to a fixed plate and a sliding element, respectively.

[0010] Furthermore, the sliding member is provided with a support platform, the elastic member abuts against the support platform, and one end of the connecting member is hinged to the support platform.

[0011] Furthermore, the sliding component is provided with a pipe fixing ring, which has a through hole through which the repair material injection pipe passes.

[0012] Furthermore, both the fixed plate and the folding plate are equipped with buckles, and the scraper is equipped with a slot that engages with the buckles.

[0013] Furthermore, the scraper is locked to the fixing plate by fasteners.

[0014] The beneficial effects of this utility model are as follows: A device for repairing the surface of wind turbine blades, in use, allows for adjustment of the scraper type according to different surfaces to be repaired by moving the sliding member and controlling the angle of the folding plate through the connecting member. The scraper, in conjunction with the repair material injection pipe, injects repair material to repair the blade surface. This utility model provides a device for repairing the surface of wind turbine blades that integrates multiple functions, reducing maintenance time. The tooling shape can be adjusted to suit surface repair or leading / trailing edge repair according to the area being repaired. The adjustable dimensions allow it to adapt to different sizes of blades, as the leading or trailing edge widths vary between different turbines. The sliding extension and retraction of the lower sliding member allows for different degrees of folding of the folding plate, thus enabling repair operations on the leading and trailing edges of blades of different thicknesses. It is easy to install on mechanical equipment, enabling mechanized operation. It can be mounted on maintenance robots or robotic arms for automated operation, improving the level of automation in maintenance. Attached Figure Description

[0015] Figure 1 A schematic diagram of a device used for repairing the surface of wind turbine blades;

[0016] Figure 2 Another schematic diagram of a device used for surface repair operations on wind turbine blades;

[0017] Label Explanation:

[0018] 1. Fixing rod; 2. Fixing plate; 21. Bracket; 22. Buckle; 3. Folding plate; 4. Scraper; 41. Slot; 5. Sliding part; 51. Support platform; 52. Pipe fixing ring; 521. Through hole; 6. Connector; 7. Repair material injection pipe; 8. Elastic part. Detailed Implementation

[0019] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0020] Please refer to Figures 1 to 2 As shown, this utility model discloses a device for repairing the surface of wind turbine blades, including a fixing rod 1. One end of the fixing rod 1 is connected to a fixing plate 2. The edge of the fixing plate 2 is hinged to a folding plate 3. Both the fixing plate 2 and the folding plate 3 are provided with scrapers 4. The other end of the fixing rod 1 is provided with a sliding member 5 that can move closer to or further away from the fixing plate 2. The sliding member 5 is hinged to the folding plate 3 through a connector 6. The fixing plate 2 or the folding plate 3 is provided with a repair material injection pipe 7, which is used to inject repair material onto the scraper 4.

[0021] As described above, the beneficial effects of this utility model are as follows: A device for repairing the surface of wind turbine blades allows for adjustment of the scraper 4 type based on different surfaces to be repaired. This is achieved by moving the sliding member 5 and controlling the angle of the folding plate 3 via the connecting member 6. The scraper 4, in conjunction with the repair material injection pipe 7, injects repair material to repair the blade surface. This utility model provides a multi-functional device for repairing the surface of wind turbine blades, reducing maintenance time. The tooling shape can be adjusted to suit surface repair or leading / trailing edge repair. The adjustable dimensions allow for adaptation to different blade sizes and varying leading / trailing edge widths. The sliding extension and retraction of the lower sliding member 5 enables different degrees of folding of the folding plate 3, facilitating repair operations on blades of varying thicknesses. It is easily installed on mechanical equipment for mechanized operation and can be mounted on maintenance robots or robotic arms for automated operation, improving the level of maintenance automation.

[0022] In an optional embodiment, the scraper 4 is a flexible plate, and the flexible plates on the surfaces of the fixing plate 2 and the folding plate 3 are integrally formed.

[0023] As can be seen from the above description, the scraper 4 is made of flexible material. When maintenance personnel perform blade maintenance operations, they can adjust the shape of the tooling to adapt to surface maintenance or leading and trailing edge maintenance according to the part to be repaired. The maintenance resin transfer pipe can directly transport the material to the end of the scraper 4 through the pumping device, without the need for manual repeated material handling.

[0024] In an optional embodiment, the sliding member 5 is a telescopic rod, and the fixed rod 1 is slidably inserted into the telescopic rod on the same axis.

[0025] As can be seen from the above description, the fixed rod 1 is inserted into the insertion hole of the telescopic rod, and the telescopic rod can slide axially relative to the fixed rod 1.

[0026] In an optional embodiment, the connector 6 is a connecting rod, and the two ends of the connecting rod are respectively hinged to the sliding member 5 and the folding plate 3.

[0027] As can be seen from the above description, the connecting rod plays a role in supporting the stable flipping of the folding plate 3.

[0028] In an optional embodiment, a bracket 21 is provided on the fixing plate 2 or the folding plate 3, and the repair material injection pipe 7 is installed on the bracket 21.

[0029] As can be seen from the above description, the bracket 21 is detachably connected to the fixing plate 2 or the folding plate 3, and is used to fix and adjust the installation position and angle of the repair material injection tube 7.

[0030] In an optional embodiment, an elastic element 8 is also included, with its two ends connected to the fixed plate 2 and the sliding element 5, respectively.

[0031] As can be seen from the above description, the function of the elastic element 8 is to facilitate the reset of the folding plate 3. When it is necessary to replace the scraper 4 or adjust the size of the new part, the elastic element 8 can make the folding plate 3 quickly return to the corresponding shape.

[0032] In an optional embodiment, the slider 5 is provided with a support platform 51, the elastic member 8 abuts against the support platform 51, and one end of the connector 6 is hinged to the support platform 51.

[0033] As can be seen from the above description, the support platform 51 plays a role in installing and ensuring the structural stability of the repair components.

[0034] In an optional embodiment, the sliding member 5 is provided with a pipe fixing ring 52, and the pipe fixing ring 52 is provided with a through hole 521 through which the repair material injection pipe 7 passes.

[0035] As can be seen from the above description, the through hole 521 on the pipe fixing ring 52 plays a guiding and positioning role for the repair material injection pipe 7.

[0036] In an optional embodiment, both the fixing plate 2 and the folding plate 3 are provided with buckles 22, and the scraper 4 is provided with a slot 41 that engages with the buckles 22.

[0037] As can be seen from the above description, the scraper 4 can be quickly disassembled and assembled from the fixed plate 2 and the folding plate 3 by engaging the buckle 22 with the slot 41.

[0038] In an alternative embodiment, the scraper 4 is fastened to the fixing plate 2 by fasteners.

[0039] As can be seen from the above description, fasteners serve to provide secondary fixation and prevent detachment.

[0040] Please refer to Figures 1 to 2As shown, Embodiment 1 of this utility model is: a device for repairing the surface of wind turbine blades, including a fixing rod 1, one end of the fixing rod 1 being connected to a fixing plate 2, the edge of the fixing plate 2 being hinged to a folding plate 3, a scraper 4 being provided on the surface of both the fixing plate 2 and the folding plate 3, a sliding member 5 being provided at the other end of the fixing rod 1 that can move closer to or further away from the fixing plate 2, the sliding member 5 being hinged to the folding plate 3 through a connecting member 6, and a repair material injection pipe 7 being provided on the fixing plate 2 or the folding plate 3, the repair material injection pipe 7 being used to inject repair material onto the scraper 4.

[0041] The scraper 4 is a flexible plate made of plastic, which is bendable, deformable, and replaceable. The flexible plates on the surfaces of the fixed plate 2 and the folding plate 3 are integrally formed. The sliding member 5 is a telescopic rod, and the fixed rod 1 is slidably inserted into the telescopic rod coaxially. The connecting member 6 is a connecting rod, with both ends of the connecting rod hinged to the sliding member 5 and the folding plate 3, respectively. A bracket 21 is provided on the fixed plate 2 or the folding plate 3, and the repair material injection tube 7 is installed on the bracket 21. It also includes an elastic member 8, with both ends of the elastic member 8 connected to the fixed plate 2 and the sliding member 5, respectively. The elastic member 8 is a spring. The sliding member 5 is provided with a support platform 51, and the elastic member 8 abuts against the support platform 51. One end of the connecting member 6 is hinged to the support platform 51. The sliding member 5 is provided with a pipe fixing ring 52, and the pipe fixing ring 52 has a through hole 521 for the repair material injection tube 7 to pass through. Both the fixed plate 2 and the folding plate 3 are provided with buckles 22, and the scraper 4 is provided with a groove 41 that engages with the buckles 22. The scraper 4 is fastened to the fixed plate 2 by fasteners. The fasteners are bolts. Both the fixed plate 2 and the folding plate 3 are rectangular plates. The two folding plates 3 are symmetrically arranged on opposite sides of the fixed plate 2. Each folding plate 3 is hinged to the sliding member 5 by a connector 6.

[0042] In summary, the device for repairing the surface of wind turbine blades according to this invention uses a sliding component to control the angle of the folding plate via a connecting component. This allows for adjustment of the scraper type according to different surfaces to be repaired. The scraper, in conjunction with the repair material injection pipe, injects repair material to repair the blade surface. This device integrates multiple functions, reducing maintenance time. The tooling shape can be adjusted to suit surface repair or leading / trailing edge repair, and its adjustable size allows it to adapt to different blade sizes and varying leading / trailing edge widths. The sliding extension and retraction of the lower sliding component allows for different degrees of folding of the folding plate, enabling repair operations on leading and trailing edges of blades of varying thicknesses. It is easily integrated into mechanical equipment for mechanized operation and can be mounted on maintenance robots or robotic arms for automated operation, improving the level of maintenance automation.

[0043] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An apparatus for wind turbine blade surface repair operations, characterized by, It includes a fixing rod, one end of which is connected to a fixing plate. The edge of the fixing plate is hinged to a folding plate. Both the fixing plate and the folding plate have scrapers on their surfaces. The other end of the fixing rod has a sliding member that can move closer to or further away from the fixing plate. The sliding member is hinged to the folding plate through a connector. The fixing plate or the folding plate has a repair material injection pipe for injecting repair material onto the scraper.

2. An apparatus for wind turbine blade surface repair operations according to claim 1, wherein, The scraper is a flexible plate, and the flexible plates on the surfaces of the fixed plate and the folding plate are integrally formed.

3. An apparatus for wind turbine blade surface repair operations according to claim 1, wherein, The sliding component is a telescopic rod, and the fixed rod and the telescopic rod are slidably connected coaxially.

4. The apparatus for wind turbine blade surface repair operations of claim 1, wherein, The connector is a connecting rod, with its two ends hinged to the sliding component and the folding plate, respectively.

5. An apparatus for wind turbine blade surface repair operations according to claim 1, wherein, The fixed plate or folding plate is equipped with a bracket, and the repair material injection tube is installed on the bracket.

6. An apparatus for wind turbine blade surface repair operations according to claim 1, wherein, It also includes an elastic element, the two ends of which are connected to a fixed plate and a sliding element, respectively.

7. An apparatus for wind turbine blade surface repair operations according to claim 6, wherein, The sliding member is equipped with a support platform, the elastic member abuts against the support platform, and one end of the connecting member is hinged to the support platform.

8. The apparatus for wind turbine blade surface repair operations of claim 1, wherein, The sliding component is equipped with a pipe fixing ring, which has a through hole for the repair material injection pipe to pass through.

9. An apparatus for wind turbine blade surface repair operations according to claim 1, wherein, Both the fixed plate and the folding plate are equipped with buckles, and the scraper is equipped with a slot that engages with the buckles.

10. The apparatus for wind turbine blade surface repair operations of claim 1, wherein, The scraper is fastened to the fixed plate by fasteners.

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