CN118375577A - Wind power generation blade cleaning device - Google Patents

Abstract

The invention discloses a wind power generation blade cleaning device, which relates to the technical field of blade cleaning, and comprises three blades fixedly connected to the output end of the wind power generation body, and two fixed seats are fixedly connected to one side of the three blades. The invention realizes that the electric telescopic rod drives the connecting block, the sliding rod and the annular bevel gear to move through the setting of the reciprocating moving unit, so that the annular bevel gear contacts and meshes with the three rotating bevel gears. Since the blade is in a rotating state, the rotating bevel gear rotates and rotates on the annular bevel gear, and the rotating bevel gear rotates and drives the reciprocating screw to rotate. The rotation of the reciprocating screw drives the reciprocating shaft sleeve, the fixed frame and two sponge rollers to move. The movement of the two sponge rollers drives the movement of the two gears, so that one of the gears moves and rotates on the rack, so that the rotation of the two gears drives the sponge roller to rotate, and the sponge roller cleans the blade.

Description

Wind turbine blade cleaning device

Technical Field

The invention relates to the technical field of blade cleaning, and in particular to a wind power generation blade cleaning device.

Background technique

Wind power generation refers to the process of using wind energy to convert it into electrical energy. A wind turbine includes a tower, blades and a generator. A chassis is set on the top of the tower, and the generator is set in the chassis. The blades are set at the front end of the chassis and connected to the generator. When the wind blows, the blades rotate to convert wind energy into mechanical energy. After passing through the generator, the mechanical energy is converted into electrical energy, and finally the electrical energy is sent to the user end through the power transmission and transformation equipment. Most small wind turbines need to clean the blades regularly during use.

A Chinese patent with publication number CN220955933U discloses a wind turbine blade cleaning device, in which a cleaning mechanism is arranged on a tower pole, the cleaning mechanism includes a U-shaped frame, a cleaning brush and a dust suction mechanism, the dust suction mechanism includes a dust suction pipe and a dust suction machine, the cleaning brush and the dust suction pipe are both arranged on two side walls opposite to the U-shaped frame, the blades rotate and pass through the U-shaped frame, and first pass through the cleaning brush and then pass through the dust suction pipe, the dust suction machine is arranged at the bottom of the tower pole, the dust suction pipe is connected to the dust suction machine, and multiple water spray outlets are arranged between the bristles of the cleaning brush, and the water spray outlets are connected to an external water source.

However, the above invention has the following shortcomings: during the cleaning process of existing small wind turbine blades, most of them will install a cleaning brush on the tower pole, and use the automatic rotation of the fan blades to contact the cleaning brush to complete the cleaning. However, the cleaning brush of this cleaning method cannot fully fit with the fan blades, and cannot fully clean the impurities on the fan blades, resulting in unsatisfactory cleaning effect of the fan blades. At the same time, the rapidly rotating fan blades are easily damaged by collision with the cleaning brush.

Summary of the invention

The object of the present invention is to provide a wind power blade cleaning device to solve the problems raised in the above background technology.

The technical solution of the present invention is: a wind power blade cleaning device, comprising a wind power body, three blades are fixedly connected to the output end of the wind power body, one side of the three blades are fixedly connected to two fixing seats, and each two fixing seats are connected to a reciprocating screw rod for common rotation, and also includes;

A cleaning mechanism, the cleaning mechanism being located on the fixing seat;

The cleaning mechanism includes a reciprocating unit, a water spray unit and a scraper unit. The reciprocating unit includes a reciprocating sleeve respectively adapted to be installed on the three reciprocating screw rods. A fixed frame is fixedly connected to one side of the reciprocating sleeve. Two sponge rollers are rotatably connected to the fixed frame. The two sponge rollers are respectively fitted with two sides of the fan blades. One end of the two sponge rollers is keyed to a gear. The two gears are meshed. A rack is fixedly connected to the two fixed seats. The rack is meshed with one of the gears. The three reciprocating screw rods are close to each other. One end of the wind power generation body is key-connected with a rotating bevel gear, the top of the wind power generation body is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a connecting block, the wind power generation body is provided with four sliding grooves, the four sliding grooves are slidably connected with sliding rods, the bottom end of the connecting block is fixedly connected to one of the sliding rods, one end of the four sliding rods is commonly fixedly connected with a circular bevel gear, the three rotating bevel gears are all adapted to the circular bevel gear, the fixed frame is fixedly connected with a sliding block, and the sliding block is slidably connected to the rack.

Preferably, the water spray unit includes a water tank fixedly connected to the output end of the wind power generation body, a water pump is provided on one side of the water tank, the water outlet end of the water pump is fixedly connected to a fixed water pipe, and the fixed water pipe is fixedly connected to three connecting hoses, wherein three fixed seats are fixedly connected to U-shaped nozzles, one ends of the three connecting hoses are respectively fixedly connected to the three U-shaped nozzles, and the three U-shaped nozzles are respectively adapted to the three fixed frames.

Preferably, two water storage boxes are fixedly connected to the three fixed frames, fixed sleeves are fixedly connected to both ends of the U-shaped nozzle, movable holes are opened at the top ends of the two fixed sleeves, sliding tubes are slidably connected in the two movable holes, L-shaped tubes are sleeved on the top ends of the two sliding tubes, the top ends of the two L-shaped tubes are respectively fixedly connected to one side of the two water storage boxes, a first water outlet is opened at the bottom of the two water storage boxes, the bottoms of the two water storage boxes are respectively fitted with the two sponge rollers, and the bottom ends of the two sliding tubes extend into the U-shaped nozzle and are each provided with two water inlets.

Preferably, the outer side walls of the two sliding tubes are fixedly connected with two fixed blocks, the inner walls of the two movable holes are provided with two grooves, the four fixed blocks are respectively slidably connected in the four grooves, the four grooves are provided with return springs, and the two ends of the return spring are respectively fixedly connected to the fixed sleeve and the sliding tube.

Preferably, the scraper unit includes two telescopic rods fixedly connected to the inner walls on both sides of the fixed frame, and telescopic springs are fixedly connected to the four telescopic rods. One end of each two telescopic rods is commonly fixedly connected to a V-shaped scraper, and the two V-shaped scrapers are respectively fitted with the two sponge rollers.

Preferably, a rotating shaft is rotatably connected to the fixed frame, cams are fixedly sleeved on the two rotating shafts, mounting blocks are fixedly connected to the two V-shaped scrapers, the two mounting blocks are respectively fitted with the two cams, one end of the two rotating shafts is fixedly connected to a rotating wheel, one side of the two gears is fixedly connected to a fixing ring, and the two rotating wheels are respectively fitted with the two fixing rings.

Preferably, a protective cover is fixedly sleeved on the water tank, and three mounting grooves are provided on the cylindrical outer wall of the protective cover, and arc plates are provided in the three mounting grooves, and the three arc plates are respectively fixedly connected to the three fixed frames, and mounting holes are provided on the three arc plates, and sponge brushes are fixedly connected in the three mounting holes, and the three sponge brushes are respectively sleeved on the three fan blades, and the three sponge brushes are respectively fitted with the tops of the six water storage boxes.

Preferably, the annular bevel gear, the three U-shaped nozzles and the three fixed frames are all located inside the protective cover.

Preferably, the tops of the six water storage boxes are each provided with a second water outlet, and the three sponge brushes are located above the six second water outlets.

The present invention provides a wind turbine blade cleaning device through improvement, which has the following improvements and advantages compared with the prior art:

First, the present invention realizes that the electric telescopic rod drives the connecting block, the sliding rod and the annular bevel gear to move through the setting of the reciprocating moving unit, so that the annular bevel gear contacts and meshes with the three rotating bevel gears. Since the fan blades are in a rotating state, the rotating bevel gear rotates and rotates on the annular bevel gear. The rotation of the rotating bevel gear drives the reciprocating screw to rotate. The rotation of the reciprocating screw drives the reciprocating shaft sleeve, the fixed frame and the two sponge rollers to move. The movement of the two sponge rollers drives the movement of the two gears, so that one of the gears moves and rotates on the rack, and the rotation of the two gears drives the sponge roller to rotate, thereby realizing the sponge roller cleaning the fan blades.

Secondly, the present invention sets a water spray unit, and the water pump draws water out of the water tank, and then sends the water to the U-shaped nozzle through the connected fixed water pipe and the connecting hose, so that the U-shaped nozzle sprays water to the sponge roller, so that the sponge roller absorbs water and becomes wet, and the water entering the U-shaped nozzle can enter the sliding tube through the water inlet, and then enter the water storage box through the L-shaped tube. The water in the water storage box will continue to wet the sponge roller and the sponge brush through the first water outlet and the second water outlet, ensuring that the sponge roller and the sponge brush are always in a wet state when cleaning the fan blades, thereby improving the cleaning effect of the sponge roller and the sponge brush on the fan blades.

Thirdly, the present invention realizes that the rotation of the gear drives the fixed ring to rotate, the rotation of the fixed ring drives the rotating wheel to rotate, the rotation of the rotating wheel drives the rotating shaft and the cam to rotate, and each rotation of the cam squeezes the V-shaped scraper to fully contact the sponge roller, thereby being able to scrape off impurities on the sponge roller, thereby improving the cleaning effect of the sponge roller on the fan blades. Through the provision of a protective cover and an arc plate, the sponge roller, the water storage box and the U-shaped nozzle can be stored, so that the natural wind blows the fan blades to rotate.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic diagram of the overall three-dimensional structure of the present invention;

FIG2 is a schematic diagram of the three-dimensional structure of the cleaning mechanism in the present invention;

FIG3 is a schematic diagram of the three-dimensional structure of the reciprocating moving unit in the present invention;

FIG4 is a schematic diagram of the three-dimensional structure of the sponge brush and the water storage box in the present invention;

FIG5 is a schematic diagram of the internal cross-sectional plan structure of the fixed sleeve in the present invention;

FIG6 is a schematic diagram of the three-dimensional structure of the scraper unit in the present invention;

FIG7 is a schematic diagram of the cross-sectional plan structure of the scraper unit in the present invention;

FIG8 is a schematic diagram of the internal cross-sectional plan structure of the telescopic rod in the present invention.

Reference numerals:

1. Wind power generation body; 11. Fan blades; 12. Fixed seat; 13. Reciprocating screw rod; 14. Fixed frame; 15. Sponge roller; 16. Gear; 17. Rack; 18. Sliding block; 19. Rotating bevel gear; 110. Reciprocating shaft sleeve; 2. Electric telescopic rod; 21. Connecting block; 22. Sliding rod; 23. Ring bevel gear; 3. Water tank; 31. Water pump; 32. Fixed water pipe; 33. Connecting hose; 34. U-shaped nozzle; 35. Fixed sleeve; 36. Sliding tube; 37. Fixed block; 38. Reset spring; 39. L-shaped tube; 310. Water storage box; 311. Water inlet; 312. Second water outlet; 313. First water outlet; 4. Telescopic rod; 41. Telescopic spring; 42. V-shaped scraper; 43. Mounting block; 44. Cam; 45. Rotating shaft; 46. Rotating wheel; 47. Fixed ring; 5. Protective cover; 51. Arc plate; 52. Sponge brush.

Detailed ways

The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

The present invention provides a wind power blade cleaning device through improvement. The technical solution of the present invention is:

As shown in FIGS. 1 to 8 , an embodiment of the present invention provides a wind power blade cleaning device, comprising a wind power body 1, three blades 11 are fixedly connected to the output end of the wind power body 1, two fixing seats 12 are fixedly connected to one side of the three blades 11, and a reciprocating screw rod 13 is rotatably connected to each of the two fixing seats 12, and further comprising;

A cleaning mechanism, the cleaning mechanism is located on the fixed seat 12;

The cleaning mechanism includes a reciprocating unit, a water spray unit and a scraping unit. The reciprocating unit includes a reciprocating sleeve 110 respectively adapted to be installed on three reciprocating screw rods 13. A fixed frame 14 is fixedly connected to one side of the reciprocating sleeve 110. Two sponge rollers 15 are rotatably connected to the fixed frame 14. The two sponge rollers 15 are respectively fitted with two sides of the fan blade 11. One end of the two sponge rollers 15 is keyed to a gear 16. The two gears 16 are meshed. A rack 17 is fixedly connected to the two fixed seats 12. The rack 17 is meshed with one of the gears 16, one end of the three reciprocating screw rods 13 close to each other is key-connected with a rotating bevel gear 19, the top of the wind power generation body 1 is fixedly connected with an electric telescopic rod 2, the output end of the electric telescopic rod 2 is fixedly connected with a connecting block 21, four slide grooves are provided on the wind power generation body 1, and sliding rods 22 are slidably connected in the four slide grooves. The bottom end of the connecting block 21 is fixedly connected to one of the sliding rods 22, and one end of the four sliding rods 22 is commonly fixedly connected with a circular bevel gear 23. The movable bevel gears 19 are all matched with the annular bevel gears 23. The fixed frame 14 is fixedly connected with a sliding block 18, and the sliding block 18 is slidably connected to the rack 17. Through the setting of the reciprocating moving unit, the electric telescopic rod 2 drives the connecting block 21, the sliding rod 22 and the annular bevel gear 23 to move, so that the annular bevel gear 23 contacts and meshes with the three rotating bevel gears 19. Since the fan blades 11 are in a rotating state, the rotating bevel gear 19 rotates and rotates on the annular bevel gear 23, and the rotating bevel gear 19 rotates to drive the reciprocating wire The rod 13 rotates, and the reciprocating screw rod 13 rotates to drive the reciprocating sleeve 110, the fixed frame 14 and the two sponge rollers 15 to move. The movement of the two sponge rollers 15 drives the two gears 16 to move, so that one of the gears 16 moves and rotates on the rack 17, so that the rotation of the two gears 16 drives the sponge rollers 15 to rotate, so that the sponge rollers 15 clean the fan blades 11; through the setting of the sliding block 18, the sliding block 18 and the rack 17 cooperate with each other to achieve a guiding role for the fixed frame 14.

Furthermore, the water spray unit includes a water tank 3 fixedly connected to the output end of the wind power generation body 1, a water pump 31 is provided on one side of the water tank 3, the water outlet end of the water pump 31 is fixedly connected to a fixed water pipe 32, and three connecting hoses 33 are fixedly connected to the fixed water pipe 32, wherein three fixed seats 12 are all fixedly connected to U-shaped nozzles 34, one ends of the three connecting hoses 33 are respectively fixedly connected to the three U-shaped nozzles 34, and the three U-shaped nozzles 34 are respectively adapted to the three fixed frames 14; through the setting of the water spray unit, the water pump 31 pumps out the water in the water tank 3, and then sends the water to the U-shaped nozzle 34 through the connection of the fixed water pipe 32 and the connecting hose 33, so that the U-shaped nozzle 34 sprays water to the sponge roller 15, so that the sponge roller 15 absorbs water and becomes wet, thereby achieving the wet sponge roller 15 to improve the cleaning effect of the fan blades 11.

Furthermore, two water storage boxes 310 are fixedly connected to the three fixed frames 14, and both ends of the U-shaped nozzle 34 are fixedly connected to fixed sleeves 35. The tops of the two fixed sleeves 35 are provided with movable holes, and sliding tubes 36 are slidably connected in the two movable holes. The tops of the two sliding tubes 36 are sleeved with L-shaped tubes 39, and the tops of the two L-shaped tubes 39 are respectively fixedly connected to one side of the two water storage boxes 310. The bottoms of the two water storage boxes 310 are provided with first water outlets 313, and the bottoms of the two water storage boxes 310 are respectively connected to the two The sponge rollers 15 are fitted together, and the bottom ends of the two sliding tubes 36 extend into the U-shaped nozzle 34 and are each provided with two water inlets 311; through the setting of the water storage box 310, the water entering the U-shaped nozzle 34 can enter the sliding tube 36 through the water inlet 311, and then enter the water storage box 310 through the L-shaped tube 39. The water in the water storage box 310 will continue to wet the sponge roller 15, ensuring that the sponge roller 15 is always in a wet state when cleaning the fan blades 11, thereby improving the cleaning effect of the sponge roller 15 and the sponge brush 52 on the fan blades 11.

Furthermore, the outer walls of the two sliding tubes 36 are fixedly connected with two fixed blocks 37, and the inner walls of the two movable holes are provided with two grooves. The four fixed blocks 37 are respectively slidably connected to the four grooves, and the four grooves are provided with return springs 38. The two ends of the return spring 38 are respectively fixedly connected to the fixed sleeve 35 and the sliding tube 36; through the setting of the return spring 38, when the L-shaped tube 39 is away from the sliding tube 36, since the return spring 38 is in a compressed state, the return spring 38 drives the sliding tube 36 to move upward, so that the water inlet 311 of the sliding tube 36 enters the fixed sleeve 35, so that water cannot flow out through the sliding tube 36; a one-way valve is provided in the L-shaped tube 39, so that the water in the water storage box 310 cannot flow back.

Further, the scraper unit includes two telescopic rods 4 respectively fixedly connected to the inner walls of both sides of the fixed frame 14, and the four telescopic rods 4 are fixedly connected with telescopic springs 41, and one end of each of the two telescopic rods 4 is commonly fixedly connected with a V-shaped scraper 42, and the two V-shaped scrapers 42 are respectively fitted with two sponge rollers 15, and a rotating shaft 45 is rotatably connected to the fixed frame 14, and cams 44 are fixedly sleeved on the two rotating shafts 45, and the two V-shaped scrapers 42 are fixedly connected with mounting blocks 43, and the two mounting blocks 43 are respectively fitted with the two cams 44, and the two rotating shafts 45 are fixedly sleeved with cams 44. One end is fixedly connected with a rotating wheel 46, one side of the two gears 16 is fixedly connected with a fixing ring 47, and the two rotating wheels 46 are respectively fitted with the two fixing rings 47; through the setting of the scraper unit, the rotation of the gear 16 drives the fixing ring 47 to rotate, the rotation of the fixing ring 47 drives the rotating wheel 46 to rotate, and the rotation of the rotating wheel 46 drives the rotating shaft 45 and the cam 44 to rotate. The cam 44 squeezes the V-shaped scraper 42 to fully contact the sponge roller 15 once every rotation, so that the impurities on the sponge roller 15 can be scraped off, thereby improving the cleaning effect of the sponge roller 15 on the fan blades 11.

Furthermore, a protective cover 5 is fixedly sleeved on the water tank 3, and three mounting grooves are provided on the cylindrical outer wall of the protective cover 5, and arc plates 51 are provided in the three mounting grooves. The three arc plates 51 are respectively fixedly connected to the three fixed frames 14, and mounting holes are provided on the three arc plates 51, and sponge brushes 52 are fixedly connected in the three mounting holes. The three sponge brushes 52 are respectively sleeved on the three fan blades 11, and the three sponge brushes 52 are respectively fitted with the tops of the six water storage boxes 310, and the annular bevel gear 23, the three U-shaped nozzles 34 and the three fixed frames 14 are all located in the protective cover 5; through the setting of the sponge brush 52, the fixed frame 14 moves to drive the arc plate 51 and the sponge brush 52 to move to clean the fan blades 11; through the setting of the protective cover 5 and the arc plate 51, the sponge roller 15, the water storage box 310 and the U-shaped nozzle 34 can be stored, so that the natural wind blows the fan blades 11 to rotate.

Furthermore, a second water outlet 312 is provided on the top of each of the six water storage boxes 310 , and three sponge brushes 52 are located above the six second water outlets 312 ; through the provision of the second water outlet 312 , the water storage box 310 wets the sponge brush 52 through the second water outlet 312 .

Specific implementation steps: when the fan blade 11 needs to be cleaned, the electric telescopic rod 2 and the water pump 31 are started at the same time, the water pump 31 pumps out the water in the water tank 3, and then sends the water to the U-shaped nozzle 34 through the connected fixed water pipe 32 and the connecting hose 33, so that the U-shaped nozzle 34 sprays water on the sponge roller 15, so that the sponge roller 15 absorbs water and becomes wet, and the water entering the U-shaped nozzle 34 can enter the sliding pipe 36 through the water inlet 311, and then enter the water storage box 310 through the L-shaped pipe 39, and at the same time, the electric telescopic rod 2 drives the connecting block 21 and the sliding rod 22 to move, and the movement of the sliding rod 22 drives the annular bevel gear 23 to move, so that the annular bevel gear 23 contacts and meshes with the three rotating bevel gears 19, When the fan blade 11 is in a rotating state, the fan blade 11 rotates to drive the fixed seat 12, the reciprocating screw rod 13, the fixed frame 14 and the sponge roller 15 to rotate. The reciprocating screw rod 13 rotates to drive the rotating bevel gear 19 to rotate and rotate on the annular bevel gear 23. The rotating bevel gear 19 rotates to drive the reciprocating screw rod 13 to rotate. The reciprocating screw rod 13 rotates to drive the reciprocating shaft sleeve 110, the fixed frame 14 and the two sponge rollers 15 to move. The movement of the two sponge rollers 15 drives the two gears 16 to move, so that one of the gears 16 moves and rotates on the rack 17, so that the two gears 16 rotate to drive the sponge roller 15 to rotate. The rotating sponge roller 15 can clean the fan blade 11. The fixed frame 1 The arc plate 51 and the sponge brush 52 are moved to move, so that the sponge brush 52 moves on the fan blade 11 and cleans it. During the process of the sponge brush 52 and the sponge roller 15 cleaning the fan blade 11, the water in the water storage box 310 will continue to wet the sponge roller 15 and the sponge brush 52 through the first water outlet 313 and the second water outlet 312, ensuring that the sponge roller 15 and the sponge brush 52 are always in a wet state when cleaning the fan blade 11, thereby improving the cleaning effect of the sponge roller 15 and the sponge brush 52 on the fan blade 11. When the L-shaped tube 39 is away from the sliding tube 36, since the return spring 38 is in a compressed state, the return spring 38 drives the sliding tube 36 to move upward, so that the water inlet 31 of the sliding tube 36 is closed. 1 enters the fixed sleeve 35, so that the water cannot flow out through the sliding pipe 36. A one-way valve is arranged in the L-shaped pipe 39, so that the water in the water storage box 310 cannot flow back. The rotation of the gear 16 drives the fixed ring 47 to rotate, the rotation of the fixed ring 47 drives the rotating wheel 46 to rotate, the rotation of the rotating wheel 46 drives the rotating shaft 45 and the cam 44 to rotate. The cam 44 squeezes the V-shaped scraper 42 to fully contact with the sponge roller 15 every time it rotates one circle, so that the impurities on the sponge roller 15 can be scraped off, thereby improving the cleaning effect of the sponge roller 15 on the fan blade 11. Through the arrangement of the protective cover 5 and the arc plate 51, the sponge roller 15, the water storage box 310 and the U-shaped nozzle 34 can be stored, so that the natural wind blows the fan blade 11 to rotate.

The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. Wind power generation blade cleaning device, including wind power generation body (1), its characterized in that: three fan blades (11) are fixedly connected to the output end of the wind power generation body (1), two fixing seats (12) are fixedly connected to one sides of the three fan blades (11), and a reciprocating screw rod (13) is connected to each two fixing seats (12) in a common rotation mode;

The cleaning mechanism is positioned on the fixed seat (12);

The cleaning mechanism comprises a reciprocating moving unit, a water spraying unit and a scraping unit, wherein the reciprocating moving unit comprises a reciprocating shaft sleeve (110) which is respectively and adaptively arranged on three reciprocating screw rods (13), one side of the reciprocating shaft sleeve (110) is fixedly connected with a fixed frame (14), two sponge rollers (15) are rotationally connected to the fixed frame (14), the two sponge rollers (15) are respectively attached to two sides of a fan blade (11), one ends of the two sponge rollers (15) are respectively and fixedly connected with a gear (16), the two gears (16) are meshed, the two fixed seats (12) are fixedly connected with racks (17) together, the racks (17) are meshed with one of the gears (16), one ends of the three reciprocating screw rods (13) which are close to each other are respectively and fixedly connected with a rotary bevel gear (19), the top of a wind power generation body (1) is fixedly connected with an electric telescopic rod (2), the output end of the electric telescopic rod (2) is fixedly connected with a gear (21), the wind power generation body (1) is provided with four connecting blocks (22) which are connected with one end of a round connecting block (22) in a sliding way, one end of the four connecting blocks (22) is fixedly connected with one end of the round connecting blocks (22), the three rotating bevel gears (19) are matched with the circular bevel gears (23), a sliding block (18) is fixedly connected to the fixed frame (14), and the sliding block (18) is slidably connected to the rack (17).

2. A wind turbine blade cleaning apparatus according to claim 1, wherein: the water spraying unit comprises a water tank (3) fixedly connected to the output end of the wind power generation body (1), a water pump (31) is arranged on one side of the water tank (3), a water outlet end of the water pump (31) is fixedly connected with a fixed water pipe (32), three connecting hoses (33) are fixedly communicated with the fixed water pipe (32), U-shaped spray pipes (34) are fixedly connected to the fixing base (12) in each of three, one ends of the connecting hoses (33) are fixedly communicated with the three U-shaped spray pipes (34) respectively, and the three U-shaped spray pipes (34) are matched with the three fixed frames (14) respectively.

3. A wind turbine blade cleaning apparatus according to claim 2, wherein: three equal fixedly connected with two water storage boxes (310) on fixed frame (14), the equal fixedly connected with fixed bolster (35) in both ends of U-shaped spray tube (34), two the movable hole has been seted up on the top of fixed bolster (35), two equal sliding connection has sliding tube (36) in the movable hole, two L-shaped pipe (39) have all been cup jointed on the top of sliding tube (36), two fixed intercommunication respectively in the top of L-shaped pipe (39) in one side of water storage box (310), two first delivery port (313) have all been seted up to the bottom of water storage box (310), two the bottom of water storage box (310) is laminated with two sponge roller (15) respectively, two the bottom of sliding tube (36) extends to in U-shaped spray tube (34) and two water inlets (311) have all been seted up.

4. A wind turbine blade cleaning apparatus according to claim 3, wherein: two fixed blocks (37) are fixedly connected to the outer side walls of the sliding pipes (36), two grooves are formed in the inner walls of the movable holes, four fixed blocks (37) are respectively and slidably connected to the four grooves, reset springs (38) are respectively arranged in the four grooves, and two ends of each reset spring (38) are respectively and fixedly connected with the fixed sleeve (35) and the sliding pipe (36).

5. A wind turbine blade cleaning apparatus according to claim 3, wherein: the scraping unit comprises two telescopic rods (4) which are respectively and fixedly connected to the inner walls of two sides of the fixed frame (14), telescopic springs (41) are fixedly connected to the telescopic rods (4), V-shaped scraping plates (42) are fixedly connected to one ends of the telescopic rods (4) together, and the V-shaped scraping plates (42) are respectively attached to the sponge rollers (15).

6. A wind turbine blade cleaning apparatus according to claim 3, wherein: the fixed frame (14) is rotationally connected with a rotating shaft (45), two cams (44) are fixedly sleeved on the rotating shaft (45), two V-shaped scraping plates (42) are fixedly connected with mounting blocks (43), the mounting blocks (43) are respectively attached to the cams (44), one end of the rotating shaft (45) is fixedly connected with a rotating wheel (46), one side of the gear (16) is fixedly connected with a fixed ring (47), and the rotating wheel (46) is respectively attached to the fixed rings (47).

7. A wind turbine blade cleaning apparatus according to claim 3, wherein: the water tank (3) is fixedly sleeved with a protective cover (5), three mounting grooves are formed in the outer side wall of a cylinder of the protective cover (5), arc plates (51) are arranged in the mounting grooves, the arc plates (51) are fixedly connected to the fixing frames (14) respectively, mounting holes are formed in the arc plates (51), sponge brushes (52) are fixedly connected to the mounting holes respectively, the sponge brushes (52) are sleeved on the fan blades (11) respectively, and the sponge brushes (52) are attached to the tops of the water storage boxes (310) respectively.

8. A wind turbine blade cleaning apparatus according to claim 7, wherein: the circular bevel gear (23), the three U-shaped spray pipes (34) and the three fixed frames (14) are all positioned in the protective cover (5).

9. A wind turbine blade cleaning apparatus according to claim 8, wherein: the tops of the six water storage boxes (310) are provided with second water outlets (312), and the three sponge brushes (52) are positioned above the six second water outlets (312).