A wind turbine blade repair device

Abstract

The application provides a wind power blade repairing device, and relates to the technical field of wind power equipment maintenance, which comprises: a plurality of bases for placing wind power blades; a guide mechanism slidingly arranged on the ground along the arrangement direction of the base; a repairing frame slidingly arranged on the upper part of the wind power blade along the length direction of the guide plate; a repairing mechanism slidingly arranged on the repairing frame; the repairing mechanism comprises a first repairing seat and a second repairing seat, and each of the first repairing seat and the second repairing seat is provided with an extension adjusting column, and the bottom end of the extension adjusting column is provided with a uniform material scraper capable of being attached to the wind power blade; the first repairing seat is provided with a liquid supply mechanism and a unwinding mechanism, and the second repairing seat is provided with a connecting mechanism for being connected with the first repairing seat and a positioning mechanism for fixing the position of the wind power blade. The application can conveniently complete the coating process of the repairing liquid and the pasting process of the fiber cloth, thereby improving the convenience of the wind power blade repairing process and the efficiency of the repairing operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind power equipment maintenance, in particular to a wind power blade repairing device. BACKGROUND

[0002] The wind power blade is a core component of a wind turbine for converting wind energy into electric energy, responsible for capturing wind energy and converting it into mechanical energy, and then into electric energy through a generator, playing a crucial role in a wind power generation system. The surface of the wind power blade will be worn during long-term use, and needs to be timely disassembled and repaired to avoid subsequent safety hazards.

[0003] The wind power blade repairing process needs to uniformly apply repairing liquid to the surface of the damaged part, and then paste multiple layers of fiber cloth. After each layer of fiber cloth is pasted, the surface of the fiber cloth needs to be coated with repairing liquid before pasting the next layer of fiber cloth. The current repairing method is usually repaired by human, and since the wind power blade is large in size, the worker needs to climb to the top of the wind power blade with the aid of tools for operation. The operation process is complicated, resulting in low efficiency of the repairing work. SUMMARY

[0004] The present application aims to provide a wind power blade repairing device which can conveniently complete the coating process of the repairing liquid and the pasting process of the fiber cloth, thereby improving the convenience of the wind power blade repairing process and the efficiency of the repairing work.

[0005] The application is achieved by the following technical solutions: a wind power blade repairing device, comprising: a plurality of bases, the plurality of bases are spaced apart on the ground and each base is provided with a placing groove for placing a wind power blade; a guide mechanism, the guide mechanism is slidably arranged on the ground along the arrangement direction of the bases and located outside the bases, the guide mechanism comprises a plurality of supporting rods and a guide plate detachably arranged between the plurality of supporting rods, the bottom of the guide plate is provided with a groove matched with the shape of a specified section of the wind power blade; a repairing frame, the repairing frame is slidably arranged on the upper part of the wind power blade along the length direction of the guide plate and the length direction of the repairing frame is consistent with the width direction of the wind power blade; a repairing mechanism, the repairing mechanism comprises a first repairing seat and a second repairing seat, the first repairing seat and the second repairing seat are both slidably arranged on the repairing frame along the length direction of the repairing frame, a telescopic adjusting column is slidably connected in the first repairing seat and the second repairing seat along the vertical direction, a compression spring is arranged between the telescopic adjusting column and the first repairing seat or the second repairing seat, the top end of the telescopic adjusting column is provided with a ball capable of being fitted with the groove of the guide plate, and the bottom end of the telescopic adjusting column is provided with a uniform material scraper capable of being fitted with the wind power blade; wherein, the first repairing seat is provided with a liquid supply mechanism for supplying a repairing liquid to the wind power blade and a unwinding mechanism for supplying a fiber cloth, the repairing frame is provided with a transverse moving assembly for driving the first repairing seat to move, and the second repairing seat is provided with a connecting mechanism for connecting with the first repairing seat and a positioning mechanism for fixing the position of the wind power blade.

[0006] Further, the connecting mechanism comprises a rotating ring and a rotating assembly for driving the rotating ring to rotate, the rotating ring is provided with a pawl, and the first repairing seat is provided with a clamping block for clamping the pawl; the positioning mechanism comprises a positioning cylinder arranged at the bottom end of the telescopic adjusting column, and a positioning block is connected to the piston rod of the positioning cylinder; the second repairing seat is provided with a touch switch for starting the positioning cylinder, and the pawl can abut against the touch switch and drive the positioning cylinder to open after the pawl is rotated to be separated from the clamping block.

[0007] Further, the unwinding mechanism comprises an unwinding frame rotatably arranged on the first repairing seat, the unwinding frame is installed with a fiber cloth roll, and both sides of the second repairing seat are provided with abutting pieces; when the second repairing seat is connected with the first repairing seat, the abutting pieces abut against the unwinding frame to make the fiber cloth roll in a suspended state; when the second repairing seat is separated from the first repairing seat, the abutting pieces are separated from the unwinding frame, and the unwinding frame can be rotated to make the fiber cloth roll fitted with the wind power blade.

[0008] Further, the abutting piece comprises a fixing block, a connecting rod and an abutting block, the fixing block is fixedly arranged on the second repairing seat, the connecting rod is fixedly arranged on the fixing block near the first repairing seat, and the abutting block is fixedly arranged on the connecting rod and is provided with an inclined surface on the abutting block.

[0009] Further, the rotating assembly comprises a rotating motor, a driving gear and a driven gear ring, the second repairing seat is provided with a motor seat, the rotating motor is fixedly arranged on the motor seat, the driving gear is fixedly connected to the output shaft of the rotating motor, and the driven gear ring is coaxially connected to the rotating ring and rotationally matched with the second repairing seat.

[0010] Further, the liquid supply mechanism comprises a liquid supply cylinder, a liquid supply pump, a liquid supply pipe and a flared hopper, one side of the first repairing seat is provided with a placing seat, the liquid supply cylinder is fixedly arranged on the placing seat, the liquid supply pump is arranged at the bottom end of the liquid supply cylinder, the liquid supply pipe is connected to the outlet end of the liquid supply pump, the bottom end of the liquid supply pipe penetrates through the first repairing seat and extends to the lower part of the first repairing seat, and the flared hopper is arranged at the bottom end of the liquid supply pipe.

[0011] Further, the flared hopper is connected in communication with the liquid supply pipe through a flexible bellows, and a connecting plate is arranged between the flared hopper and the uniform material scraping plate at the bottom of the first repairing seat.

[0012] Further, the conveying mechanism is arranged below the ground at the bottom of the guiding mechanism, the conveying mechanism comprises two conveying chains, both ends of the conveying chain are provided with sprockets, a connecting shaft is arranged between the two sprockets on the same side, one end of one of the connecting shafts is provided with a conveying motor, and a plurality of support rods are detachably arranged on the conveying chain.

[0013] Further, the support rod comprises a bottom rod and a top rod, the bottom rod is detachably arranged on the conveying chain, the top rod is telescopically arranged on the top of the bottom rod, a lifting cylinder for driving the top rod to lift is arranged on the bottom rod, and the guiding plate is detachably connected to the top rod.

[0014] Further, a guiding rod is arranged between the two bottom rods on the same side of the wind power blade, the repairing frame is provided with a guiding hole and is slidingly connected to the guiding rod, and the bottom of the repairing frame is provided with a roller.

[0015] The technical scheme of the present application has at least the following advantages and beneficial effects:

[0016] 1. The application is configured with multiple guide plates which are suitable for the shape of the segment of the wind turbine blade, when the specified segment of the wind turbine blade needs to be repaired, the corresponding guide plate is installed between the multiple support rods, which can guide the repair mechanism at the upper part of the repaired part of the wind turbine blade, so that the moving track of the repair mechanism is suitable for the shape of the wind turbine blade, and the repair process is facilitated.

[0017] 2. The application is connected to the first repair seat by the second repair seat, when the first repair seat and the second repair seat are in the connected state, the first repair seat and the second repair seat are driven by the horizontal moving assembly to move synchronously along the length direction of the repair frame, the material uniformizing scraper at the bottom of the first repair seat and the second repair seat can make the repair liquid uniformly coated on the wind turbine blade; when the second repair seat is not connected with the first repair seat, it cannot move synchronously with the first repair seat, the second repair seat can press the end of the fiber cloth roll to fix the position, the unwinding frame unwinds the fiber cloth roll in the subsequent movement process, the material uniformizing scraper at the bottom of the first repair seat can continue to compact the fiber cloth during the movement process, thereby facilitating the pasting process of the fiber cloth. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the use state of the application;

[0019] Figure 2 It is a structural schematic diagram of the guide mechanism on the conveying mechanism of the application;

[0020] Figure 3 It is a structural schematic diagram of the repair frame, repair mechanism and guide mechanism of the application;

[0021] Figure 4 It is a structural schematic diagram of the repair mechanism on the repair frame of the application;

[0022] Figure 5 It is a structural schematic diagram of the repair mechanism of the application;

[0023] Figure 6 It is a structural schematic diagram of the liquid supply mechanism and the unwinding mechanism on the first repair seat of the application;

[0024] Figure 7 It is a structural schematic diagram of the repair mechanism when the first repair seat and the second repair seat of the application are separated;

[0025] Label: 1 - base, 11 - placing groove, 2 - guide mechanism, 21 - support rod, 211 - bottom rod, 212 - top rod, 213 - lifting electric cylinder, 214 - guide rod, 22 - guide plate, 221 - groove, 3 - repairing frame, 31 - horizontal moving assembly, 311 - horizontal moving motor, 312 - screw rod, 313 - sliding rod, 32 - roller, 4 - repairing mechanism, 41 - first repairing seat, 411 - clamping block, 42 - second repairing seat, 421 - abutting piece, 4211 - fixed block, 4212 - connecting rod, 4213 - abutting block, 43 - telescopic adjusting column, 431 - compression spring, 432 - ball, 433 - uniform material scraping plate, 5 - liquid supply mechanism, 51 - liquid supply cylinder, 52 - liquid delivery pump, 53 - liquid delivery pipe, 54 - flared bucket, 55 - placing seat, 56 - flexible bellows, 57 - connecting plate, 6 - unwinding mechanism, 61 - unwinding frame, 62 - fiber cloth roll, 63 - pressing piece, 631 - fixed part, 632 - pressing part, 633 - spring piece, 7 - connecting mechanism, 71 - rotating ring, 711 - clamping jaw, 72 - rotating assembly, 721 - rotating motor, 722 - driving gear, 723 - driven gear ring, 724 - motor seat, 8 - positioning mechanism, 81 - positioning electric cylinder, 82 - positioning block, 83 - touch switch, 9 - conveying mechanism, 91 - conveying chain, 92 - sprocket, 93 - connecting shaft, 94 - conveying motor. DETAILED DESCRIPTION

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0028] EMBODIMENT

[0029] The following refers to Figures 1-7As shown, further illustrated in combination with the specific embodiments, the embodiment provides a wind turbine blade repairing device, which comprises a plurality of bases 1, a guide mechanism 2 slidingly arranged outside the bases 1, a repairing frame 3 located between the guide mechanism 2 and the wind turbine blade, and a repairing mechanism 4 slidingly installed on the repairing frame 3. The plurality of bases 1 are spaced apart and arranged on the ground, and each base 1 is provided with a placing groove 11 for placing the wind turbine blade. The shape of the plurality of placing grooves 11 is adapted to the shape of the specified part of the wind turbine blade, so that the wind turbine blade can be stably placed. The guide mechanism 2 is slidingly arranged on the ground along the arrangement direction of the bases 1 and located outside the bases 1. The guide mechanism 2 comprises a guide plate 22 and a plurality of support rods 21 arranged at the four corners of the guide plate 22. The guide plate 22 and each support rod 21 are detachably connected by bolts. The bottom of the guide plate 22 is provided with a groove 221 adapted to the shape of the specified segment of the wind turbine blade.

[0030] Referring to Figure 1 , Figure 2 As shown, the wind turbine blade repairing device of the embodiment further comprises a conveying mechanism 9 arranged at the bottom of the guide mechanism 2 and below the ground. The conveying mechanism 9 comprises two conveying chains 91, and each end of the conveying chain 91 is provided with a sprocket 92. A connecting shaft 93 is arranged between the two sprockets 92 located at the same side. The end of one of the connecting shafts 93 is provided with a conveying motor 94. The plurality of support rods 21 are detachably arranged on the conveying chains 91. When the wind turbine blade is hoisted to the upper part of the plurality of bases 1, the guide mechanism 2 is located at the outside of the bases 1 to avoid hindering the hoisting process. After the wind turbine blade is placed on the plurality of bases 1, the conveying motor 94 is started to drive one of the connecting shafts 93 to rotate, so as to synchronously drive the two conveying chains 91 to move, thereby driving the guide mechanism 2 to move along the arrangement direction of the bases 1, so as to drive the guide plate 22 to move to the upper part of the specified segment of the wind turbine blade.

[0031] Referring to Figure 2 , Figure 3 As shown, the support rod 21 comprises a bottom rod 211 and a top rod 212. The bottom rod 211 is detachably arranged on the conveying chain 91, and the top rod 212 is telescopically arranged at the top of the bottom rod 211. The bottom rod 211 is provided with a lifting electric cylinder 213 for driving the top rod 212 to lift. The four corners of the guide plate 22 are detachably connected to the four top rods 212. During the movement of the guide mechanism 2, the top rod 212 is driven by the lifting electric cylinder 213 to move upward, so that the guide plate 22 has sufficient spacing with the wind turbine blade to ensure that the guide mechanism 2 can move smoothly. When the guide mechanism 2 moves to the specified position, the top rod 212 is driven by the lifting electric cylinder 213 to descend by a specified height, so that the guide plate 22 descends to the specified height to guide the movement of the repairing mechanism 4, and the movement track of the repairing mechanism 4 is adapted to the shape of the wind turbine blade.

[0032] Referring to Figure 3 , Figure 4 As shown in the drawings, the repair frame 3 is arranged on the upper part of the wind turbine blade along the length direction of the guide plate 22, and the length direction of the repair frame 3 is consistent with the width direction of the wind turbine blade. The guide rod 214 is arranged between the two bottom rods 211 on the same side of the wind turbine blade. The guide hole is arranged on the repair frame 3 and is connected with the guide rod 214 in a sliding manner. The bottom of the repair frame 3 is provided with the roller 32. The guide rod 214 can limit the moving direction of the repair frame 3. After each repair, the repair frame 3 can move a specified distance along the length direction of the wind turbine blade to facilitate the next repair.

[0033] Referring to Figure 5 , Figure 6 As shown in the drawings, the repair mechanism 4 includes the first repair seat 41 and the second repair seat 42. The first repair seat 41 and the second repair seat 42 are arranged on the repair frame 3 along the length direction of the repair frame 3. The telescopic adjusting column 43 is connected with the first repair seat 41 and the second repair seat 42 in a sliding manner along the vertical direction. The compression spring 431 is arranged between the telescopic adjusting column 43 and the first repair seat 41 or the second repair seat 42. The top end of the telescopic adjusting column 43 is provided with the ball 432 which can be matched with the groove 221 of the guide plate 22. The bottom end of the telescopic adjusting column 43 is provided with the uniform material scraper 433 which can be matched with the wind turbine blade. The wind turbine blade is divided into multiple segments. The multiple guide plates 22 are arranged correspondingly. When the specified segment of the wind turbine blade needs to be repaired, the corresponding guide plate 22 is installed between the multiple support rods 21. The repair mechanism 4 can be guided on the upper part of the wind turbine blade to be repaired, so as to adapt to the shape of the corresponding segment of the wind turbine blade, and the moving track of the repair mechanism 4 is adapted to the shape of the wind turbine blade.

[0034] Referring to Figure 3 , Figure 4As shown, the repair frame 3 is provided with a horizontal moving assembly 31 for driving the first repair seat 41 to move, the first repair seat 41 is provided with a liquid supply mechanism 5 for supplying repair liquid to the wind turbine blade, the second repair seat 42 is provided with a connecting mechanism 7 for connecting with the first repair seat 41, when the repair liquid is applied to the wind turbine blade, the second repair seat 42 is connected with the first repair seat 41 through the connecting mechanism 7, the repair liquid is supplied to the wind turbine blade through the liquid supply mechanism 5, then the first repair seat 41 and the second repair seat 42 are driven by the horizontal moving assembly 31 to move back and forth along the length direction of the repair frame 3 synchronously, the material uniformizing scraper 433 at the bottom of the first repair seat 41 and the second repair seat 42 can make the repair liquid uniformly applied to the wind turbine blade. It should be noted that the bottom of the material uniformizing scraper 433 has a flexible part to improve the adhesion of the material uniformizing scraper 433 to the surface of the wind turbine blade. When the first repair seat 41 and the second repair seat 42 move in any direction, one of the material uniformizing scrapers 433 can scrape the repair liquid to make the repair liquid enter the worn part of the wind turbine blade, and the other material uniformizing scraper 433 can block the repair liquid to avoid flowing out of the repair area.

[0035] With reference to Figure 4 As shown, the horizontal moving assembly 31 includes a horizontal moving motor 311, a lead screw 312 and a sliding rod 313, the top of the repair frame 3 is provided with a through slot along the length direction of the repair frame 3, the lead screw 312 and the sliding rod 313 are installed in the through slot, the horizontal moving motor 311 is installed at one end of the repair frame 3 and can drive the lead screw 312 to rotate, the first repair seat 41 is provided with a threaded hole matched with the lead screw 312 and a through hole matched with the sliding rod 313, the second repair seat 42 is provided with two through holes, when the lead screw 312 is driven to rotate by the horizontal moving motor 311, the first repair seat 41 can slide along the length direction of the repair frame 3. When the second repair seat 42 is connected with the first repair seat 41 through the connecting mechanism 7, it can move synchronously with the first repair seat 41, when the second repair seat 42 is not connected with the first repair seat 41, it will not move synchronously with the first repair seat 41.

[0036] With reference to Figure 5 , Figure 7As shown, the first repair seat 41 is further provided with a fiber cloth feeding unwinding mechanism 6, the unwinding mechanism 6 includes an unwinding frame 61 rotatably arranged on the first repair seat 41, and a fiber cloth roll 62 is installed on the unwinding frame 61. The bottom of the second repair seat 42 is provided with a positioning mechanism 8 for fixing the position of the wind turbine blade, and the side of the second repair seat 42 close to the first repair seat 41 is provided with an abutting piece 421 for abutting with the unwinding frame 61. The abutting piece 421 includes a fixed block 4211, a connecting rod 4212 and an abutting block 4213, the fixed block 4211 is fixedly arranged on the second repair seat 42, the connecting rod 4212 is fixedly arranged on the side of the fixed block 4211 close to the first repair seat 41, and the abutting block 4213 is fixedly arranged on the connecting rod 4212 and an inclined surface is formed on the abutting block 4213. When the second repair seat 42 is in a connected state with the first repair seat 41, the inclined surface of the abutting block 4213 abuts with the unwinding frame 61 to make the fiber cloth roll 62 in a suspended state; when the second repair seat 42 is separated from the first repair seat 41, the abutting piece 421 is separated from the unwinding frame 61, and the unwinding frame 61 can rotate and make the fiber cloth roll 62 adhere to the wind turbine blade. When the fiber cloth is pasted, the free end of the fiber cloth roll 62 is pulled towards the second repair seat 42, and then the free end of the fiber cloth roll 62 is pressed on the wind turbine blade by the positioning mechanism 8, the positioning effect of the connecting mechanism 7 between the first repair seat 41 and the second repair seat 42 is released, the first repair seat 41 is moved away from the second repair seat 42 by the horizontal moving assembly 31, the abutting piece 421 is separated from the unwinding frame 61, the unwinding frame 61 is rotated to adhere to the wind turbine blade and can unwind the fiber cloth roll 62 in the subsequent movement process, and the leveling scraper 433 at the bottom of the first repair seat 41 can continue to compact the fiber cloth during the movement process, so that the fiber cloth adheres to the wind turbine blade.

[0037] Referring to Figure 6As shown, the liquid supply mechanism 5 includes a liquid supply cylinder 51, a liquid supply pump 52, a liquid supply pipe 53 and a flared bowl 54, one side of the first repair seat 41 is provided with a placing seat 55, the liquid supply cylinder 51 is fixedly arranged on the placing seat 55, the liquid supply pump 52 is arranged at the bottom end of the liquid supply cylinder 51, the liquid supply pipe 53 is connected at the outlet end of the liquid supply pump 52, the bottom end of the liquid supply pipe 53 penetrates through the first repair seat 41 and extends to the lower part of the first repair seat 41, and the flared bowl 54 is arranged at the bottom end of the liquid supply pipe 53. The repair liquid in the liquid supply cylinder 51 is conveyed to the liquid supply pipe 53 by the liquid supply pump 52, and flows out from the flared bowl 54 in a strip shape to the wind power blade, and then the repair liquid can be uniformly coated on the wind power blade by the movement of the uniform material scraper 433. The flared bowl 54 is connected in communication with the liquid supply pipe 53 through a flexible bellows 56, and a connecting plate 57 is arranged between the flared bowl 54 and the uniform material scraper 433 at the bottom of the first repair seat 41, so that the outlet end of the flared bowl 54 can change with the height of the uniform material scraper 433, thereby adapting to the change of the height at different positions on the wind power blade and ensuring the uniformity of the material supply.

[0038] Referring to Figure 5 , Figure 7 As shown, the connecting mechanism 7 includes a rotating ring 71 and a rotating assembly 72 for driving the rotating ring 71 to rotate, the rotating ring 71 is provided with a claw 711, and the first repair seat 41 is provided with a clamping block 411 for clamping the claw 711; the rotating assembly 72 includes a rotating motor 721, a driving gear 722 and a driven gear ring 723, the second repair seat 42 is provided with a motor seat 724, the rotating motor 721 is fixedly arranged on the motor seat 724, the driving gear 722 is fixedly connected on the output shaft of the rotating motor 721, and the driven gear ring 723 is coaxially connected on the rotating ring 71 and is in rotational cooperation with the second repair seat 42. The driving gear 722 is driven to rotate by the rotating motor 721, the driven gear ring 723 is driven to rotate under the meshing of the driving gear 722 and drives the rotating ring 71 to rotate, so that the claw 711 is clamped on the clamping block 411, and the relative position of the first repair seat 41 and the second repair seat 42 is fixed; the positioning mechanism 8 includes a positioning electric cylinder 81 arranged at the bottom end of the telescopic adjusting column 43, and a positioning block 82 connected on the piston rod of the positioning electric cylinder 81; the second repair seat 42 is provided with a touch switch 83 for starting the positioning electric cylinder 81, the driving gear 722 is reversely rotated by the rotating motor 721, the driven gear ring 723 is reversely rotated and drives the claw 711 to rotate to be separated from the clamping block 411, and then the claw 711 is abutted against the touch switch 83 and drives the positioning electric cylinder 81 to open, so that the positioning block 82 is driven to move downward and press the fiber cloth on the wind power blade.

[0039] Referring to Figure 7As shown, the unwinding mechanism 6 further comprises a pressing member 63 fixedly arranged on the bottom surface of the first repairing seat 41 away from the one end of the first repairing seat 41, the pressing member 63 comprises a fixed part 631 and a pressing part 632, the fixed part 631 is fixedly connected on the first repairing seat 41, the pressing part 632 is below the fixed part 631 and connected with the fixed part 631 through a plurality of spring sheets 633, and the bottom surface of the pressing part 632 is provided with an arc-shaped groove matched with the shape of the fiber cloth roll 62. When the unwinding frame 61 drives the fiber cloth roll 62 to be in a suspended state, the pressing part 632 can be pressed on the fiber cloth roll 62, so as to avoid that the fiber cloth roll 62 is loosened and automatically unwound in the process of smearing the repairing liquid.

[0040] The preferred embodiments of the present application have been described above with reference to the drawings, but the present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wind turbine blade repair device, characterized in that, The utility model relates to a wind turbine blade repairing device, which comprises: a plurality of bases (1) arranged on the ground and each having a placing groove (11) for placing a wind turbine blade; a guide mechanism (2) arranged on the ground along the arrangement direction of the bases (1) and located outside the bases (1), the guide mechanism (2) comprising a plurality of support rods (21) and a guide plate (22) detachably arranged between the support rods (21), the bottom of the guide plate (22) being provided with a groove (221) matching the shape of a designated section of the wind turbine blade; a repairing frame (3) arranged on the upper part of the wind turbine blade along the length direction of the guide plate (22) and the length direction of the repairing frame (3) being consistent with the width direction of the wind turbine blade; a repairing mechanism (4) comprising a first repairing base (41) and a second repairing base (42), the first repairing base (41) and the second repairing base (42) being arranged on the repairing frame (3) along the length direction of the repairing frame (3), each of the first repairing base (41) and the second repairing base (42) being slidably connected with an extension adjusting column (43) along the vertical direction, a compression spring (431) being arranged between the extension adjusting column (43) and the first repairing base (41) or the second repairing base (42), the top end of the extension adjusting column (43) being provided with a ball (432) capable of being fitted with the groove (221) of the guide plate (22), the bottom end of the extension adjusting column (43) being provided with a material uniformizing scraper (433) capable of being fitted with the wind turbine blade; wherein the first repairing base (41) is provided with a liquid supply mechanism (5) for supplying a repairing liquid to the wind turbine blade and an unwinding mechanism (6) for supplying a fiber cloth, the repairing frame (3) is provided with a transverse moving assembly (31) for driving the first repairing base (41) to move, and the second repairing base (42) is provided with a connecting mechanism (7) for connecting with the first repairing base (41) and a positioning mechanism (8) for fixing the position of the wind turbine blade.

2. A wind turbine blade repair device according to claim 1, characterised in that The connecting mechanism (7) comprises a rotating ring (71) and a rotating assembly (72) for driving the rotating ring (71) to rotate, the rotating ring (71) being provided with a jaw (711), and the first repairing base (41) being provided with a clamping block (411) for clamping the jaw (711); the positioning mechanism (8) comprises a positioning electric cylinder (81) arranged at the bottom end of the extension adjusting column (43), and the piston rod of the positioning electric cylinder (81) is connected with a positioning block (82); the second repairing base (42) is provided with a touch switch (83) for starting the positioning electric cylinder (81), and the jaw (711) can abut against the touch switch (83) and drive the positioning electric cylinder (81) to open after rotating away from the clamping block (411).

3. A wind turbine blade repair device according to claim 1, characterised in that The unwinding mechanism (6) comprises an unwinding frame (61) rotatably arranged on the first repairing seat (41), and a fiber cloth roll (62) is arranged on the unwinding frame (61); the second repairing seat (42) is provided with an abutting piece (421) on both sides; when the second repairing seat (42) is connected with the first repairing seat (41), the abutting piece (421) abuts against the unwinding frame (61) to make the fiber cloth roll (62) in a suspended state; when the second repairing seat (42) is separated from the first repairing seat (41), the abutting piece (421) is separated from the unwinding frame (61), and the unwinding frame (61) can rotate to make the fiber cloth roll (62) abut against the wind power blade.

4. A wind turbine blade repair device according to claim 3, characterised in that The abutting piece (421) comprises a fixing block (4211), a connecting rod (4212) and an abutting block (4213); the fixing block (4211) is fixedly arranged on the second repairing seat (42); the connecting rod (4212) is fixedly arranged on one side of the fixing block (4211) close to the first repairing seat (41); and the abutting block (4213) is fixedly arranged on the connecting rod (4212) and is provided with an inclined surface.

5. A wind turbine blade repair device according to claim 2, characterised in that The rotating assembly (72) comprises a rotating motor (721), a driving gear (722) and a driven gear ring (723); the second repairing seat (42) is provided with a motor seat (724); the rotating motor (721) is fixedly arranged on the motor seat (724); the driving gear (722) is fixedly connected to the output shaft of the rotating motor (721); and the driven gear ring (723) is coaxially connected to the rotating ring (71) and is rotatably connected with the second repairing seat (42).

6. A wind turbine blade repair device according to claim 1, characterised in that The liquid supply mechanism (5) comprises a liquid supply cylinder (51), a liquid supply pump (52), a liquid supply pipe (53) and an expanding bucket (54); one side of the first repairing seat (41) is provided with a placing seat (55); the liquid supply cylinder (51) is fixedly arranged on the placing seat (55); the liquid supply pump (52) is arranged at the bottom end of the liquid supply cylinder (51); the liquid supply pipe (53) is connected to the outlet end of the liquid supply pump (52); the bottom end of the liquid supply pipe (53) penetrates through the first repairing seat (41) and extends to the lower part of the first repairing seat (41); and the expanding bucket (54) is arranged at the bottom end of the liquid supply pipe (53).

7. A wind turbine blade repair device according to claim 6, characterised in that The expanding bucket (54) is connected with the liquid supply pipe (53) through a flexible bellows (56), and a connecting plate (57) is arranged between the expanding bucket (54) and the uniform material scraping plate (433) at the bottom of the first repairing seat (41).

8. A wind turbine blade repair device according to claim 1, characterised in that The conveying mechanism (9) is arranged below the ground at the bottom of the guide mechanism (2) and comprises two conveying chains (91); both ends of each conveying chain (91) are provided with a sprocket (92); a connecting shaft (93) is arranged between two sprockets (92) on the same side; one end of one of the connecting shafts (93) is provided with a conveying motor (94); and a plurality of support rods (21) are detachably arranged on the conveying chains (91).

9. A wind turbine blade repair device according to claim 1, characterised in that The support rod (21) comprises a bottom rod (211) and a top rod (212), the bottom rod (211) is detachably arranged on the conveying chain (91), the top rod (212) is telescopically arranged on the top of the bottom rod (211), a lifting electric cylinder (213) for driving the top rod (212) to lift and lower is arranged on the bottom rod (211), and the guide plate (22) is detachably connected with the top rod (212).

10. A wind turbine blade repair device according to claim 9, characterised in that, A guide rod (214) is arranged between the two bottom rods (211) located on the same side of the wind power blade, a guide hole is formed in the repair frame (3) and the repair frame (3) is slidably connected with the guide rod (214), and the bottom of the repair frame (3) is provided with a roller (32).

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