CN114011769A

CN114011769A - Photovoltaic board cleaning device

Info

Publication number: CN114011769A
Application number: CN202111293356.5A
Authority: CN
Inventors: 周汉军; 兰尚彬
Original assignee: Zhejiang Lante New Energy Technology Co ltd
Current assignee: Zhejiang Lante New Energy Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-02-08

Abstract

A photovoltaic panel cleaning device belongs to the field of solar photovoltaic panel cleaning; through being equipped with first motor in the upper end of perpendicular stand, the rotation of first motor can rise or descend scrubbing unit, take to required appointed height, through setting up the hoist engine, control the hoist engine is drawn into the haulage rope or emits the haulage rope, can realize that the inclination of scrubbing unit is unanimous with the inclination of photovoltaic board, through setting up the second motor, the second motor can drive the slip group and reciprocate on the surface of photovoltaic board, through setting up the third motor, the rotation of third motor can drive the rotation of cleaning roller, cooperation water jet blowout cleaning solution, can realize the washing to the photovoltaic board, first motor, the cooperation of second motor and third motor, can realize that the photovoltaic board is from washing, scrub, wash once more to scraping dry whole set of automated operation, the condition of artifical excessively clean or clean not enough has been reduced.

Description

Photovoltaic board cleaning device

Technical Field

The invention belongs to the field of solar photovoltaic panel cleaning, and particularly relates to photovoltaic panel cleaning equipment.

Background

With the continuous exploitation and utilization of fossil energy, chemical energy is increasingly in tension; the renewable energy source, solar energy, is a substitute for traditional energy sources due to the characteristics of no pollution and abundant resources, and solar power generation systems are vigorously developed by various countries. The photovoltaic cell panel is the core part among the solar power system, relies on the photovoltaic effect directly to become the electric energy with solar energy, but when solar power system operated, can receive the influence of dust in the surrounding environment, causes the solar panel luminousness to reduce, seriously influences the generating efficiency. At present, operation and maintenance personnel are generally adopted by various photovoltaic power stations to manually observe the dust deposition degree and manually clean the photovoltaic power stations. The manual observation of the dust deposition degree has many subjective factors and is not very accurate. When the photovoltaic panel is further cleaned, the photovoltaic panel is easily cleaned excessively or insufficiently.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a photovoltaic panel cleaning device.

The technical problem of the invention is mainly solved by the following technical scheme: a photovoltaic panel cleaning device comprises a moving part and a scrubbing part, wherein the moving part comprises a bearing plate and two groups of travelling wheels arranged on the lower surface of the bearing plate, a vertical column is arranged in the middle of the upper surface of the bearing plate, a first motor is arranged at the upper end of the vertical column, a first lifting roller is arranged on an output shaft of the first motor, a first fixed shaft is arranged on the left side of the lower end part of the vertical column, a second lifting roller is sleeved on the first fixed shaft, a vertical lifting belt is arranged between the first lifting roller and the second lifting roller and is simultaneously meshed with the first lifting roller and the second lifting roller, a first mounting plate is arranged on the right side of the upper end part of the vertical column, a winch is arranged on the first mounting plate, a lifting block is arranged on the vertical column in a sliding manner, and a first connecting block is arranged at the left end of the lifting block, first linkage block and vertical lift belt fixed connection, the right-hand member of elevator is equipped with articulated ear, scrubbing unit includes installing support and slip group, the second mounting panel is all installed at both ends about the installing support, be connected with the guide post between the second mounting panel, it is left be equipped with the second motor on the second mounting panel, be equipped with first removal gyro wheel on the output shaft of second motor, lean on the right side be equipped with the second fixed axle on the second mounting panel, the cover is equipped with second removal gyro wheel on the second fixed axle, be equipped with the lateral shifting belt between first removal gyro wheel and the second removal gyro wheel, haulage rope fixed connection in the hoist engine is in the upper end of second fixed axle.

Preferably, the sliding group comprises a third mounting plate, two first mounting vertical plates are arranged at the left end and the right end of the third mounting plate, a connecting plate is arranged at each of the upper end and the lower end of the outer side of each of the two first mounting vertical plates, an outer mounting plate is connected between the connecting plates, two groups of supporting wheels are arranged between the outer mounting plate and the first mounting vertical plates in parallel, a telescopic cylinder is arranged at the position, close to the front, in the middle of the upper surface of the third mounting plate, a plurality of vertically through mounting holes are symmetrically formed in the third mounting plate at the left side and the right side of the telescopic cylinder, self-lubricating copper sleeves are arranged in the mounting holes, extension shafts of the telescopic cylinders extend to the lower side of the third mounting plate, a fourth mounting plate is connected to the extension shafts of the telescopic cylinders, guide rods are arranged in the self-lubricating copper sleeves in a penetrating manner, and the lower ends of the guide rods are fixedly connected to the upper surface of the fourth mounting plate, and a second connecting block is arranged at the upper end of the first mounting vertical plate close to the right side and is fixedly connected with the transverse moving belt.

Preferably, a third motor is arranged on the front side of the telescopic cylinder, a first driving roller is arranged on an output shaft of the third motor, a second mounting vertical plate is arranged at each of the left end and the right end of the lower surface of the fourth mounting plate, a cleaning roller is connected between the two second mounting vertical plates, a second driving roller is arranged in the middle of the cleaning roller, a driving belt is arranged between the first driving roller and the second driving roller and is meshed with the first driving roller and the second driving roller simultaneously, a plurality of water spray ports are arranged at the front side of the lower surface of the fourth mounting plate at equal intervals, and a water wiping mechanism is arranged at the rear side of the lower surface of the third mounting plate.

Preferably, one side of the hinged lug below the mounting bracket is provided with a liquid storage tank, the lower side of the liquid storage tank is provided with a water collecting part, the water collecting part is provided with a water collecting tank, the liquid storage tank is communicated with the water spray opening, and the water collecting tank is communicated with the liquid storage tank.

Preferably, the water collecting part is provided with a blocking edge, one side of the blocking edge, which is close to the liquid storage tank, is provided with an inclined surface, and a water collecting channel is formed between the inclined surface and the liquid storage tank.

Preferably, the liquid storage tank is provided with a water suction pump which is communicated with the water collecting tank through a water pipe.

Preferably, the water scraping mechanism comprises a fixed table, a mounting groove is formed in the rear end of the lower surface of the fixed table, a rotary connecting plate is hinged to the mounting groove, a mounting chute is formed in the lower end of the rotary connecting plate, a scraping strip is arranged in the rotary mounting chute, and a tension spring is connected between the front end of the rotary connecting plate and the left side wall of the mounting groove.

Preferably, a plurality of flushing heads are equidistantly arranged on the lower surface of the fixed table at the front side of the mounting groove, and a rubber pad is arranged on the right side wall of the mounting groove.

The invention has the following beneficial effects: the cleaning device has the advantages that the first motor is arranged at the upper end of the vertical upright post, the rotation of the first motor can lift or lower the scrubbing part to a required designated height, the winch is arranged to control the winch to roll in the traction rope or release the traction rope, the inclination angle of the scrubbing part can be consistent with that of the photovoltaic panel, the second motor can drive the sliding group to move up and down on the surface of the photovoltaic panel, the third motor is arranged, the rotation of the third motor can drive the cleaning roller to rotate, cleaning liquid is sprayed out through the water spraying opening in a matching mode, the photovoltaic panel can be cleaned, the whole set of automatic operation from washing, scrubbing and re-washing to scraping of the photovoltaic panel can be realized through the matching of the first motor, the second motor and the third motor, the situation of manual over-cleaning or insufficient cleaning is reduced, and meanwhile, the cleaning liquid can be recycled through the water collecting part and the liquid storage tank, the purposes of reducing cost and waste are achieved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a brush section according to the present invention;

FIG. 3 is a schematic view of a sliding group according to the present invention;

FIG. 4 is a schematic view of another construction of the sliding group of the present invention;

fig. 5 is a schematic illustration of a wiper mechanism according to the invention;

fig. 6 is an enlarged schematic view of portion a of fig. 1.

In the figure: 1. a moving part; 2. a brushing part; 3. a carrier plate; 4. a traveling wheel; 5. a vertical column; 6. a first motor; 7. a first lifting roller; 8. a first fixed shaft; 9. a second lifting roller; 10. a vertical lifting belt; 11. a first mounting plate; 12. a winch; 13. a lifting block; 14. a first connection block; 15. a hinge ear; 16. mounting a bracket; 17. a sliding group; 18. a second mounting plate; 19. a guide post; 20. a second motor; 21. a first movable roller; 22. a second fixed shaft; 23. a second movable roller; 24. moving the belt laterally; 25. a third mounting plate; 26. a first mounting vertical plate; 27. a connecting plate; 28. an outer mounting plate; 29. a support wheel; 30. a telescopic cylinder; 31. mounting holes; 32. self-lubricating copper bush; 33. a fourth mounting plate; 34. a guide bar; 35. a second connecting block; 36. a third motor; 37. a first driving roller; 38. a second mounting vertical plate; 39. a brush roll; 40. a second drive roller; 41. a drive belt; 42. a water jet; 43. a wiper mechanism; 44. a fixed table; 45. mounting grooves; 46. rotating the connecting plate; 47. installing a chute; 48. scraping the strips; 49. a tension spring; 50. a rinsing head; 51. a rubber pad; 52. a liquid storage tank; 53. a water collection part; 53a, a water collecting tank; 54. a convex edge; 54a, an inclined surface; 55. a water collection channel; 56. a water suction pump; 57. a water pipe.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): a photovoltaic panel cleaning device is shown in figures 1-6 and comprises a moving part 1 and a scrubbing part 2, wherein the moving part 1 comprises a bearing plate 3 and two groups of travelling wheels 4 arranged on the lower surface of the bearing plate 3, a vertical upright post 5 is arranged in the middle of the upper surface of the bearing plate 3, a first motor 6 is arranged at the upper end of the vertical upright post 5, a first lifting roller 7 is arranged on an output shaft of the first motor 6, a first fixing shaft 8 is arranged on the left side of the lower end part of the vertical upright post 5, a second lifting roller 9 is sleeved on the first fixing shaft 8, a vertical lifting belt 10 is arranged between the first lifting roller 7 and the second lifting roller 9, the vertical lifting belt 10 is simultaneously meshed with the first lifting roller 7 and the second lifting roller 9, a first mounting plate 11 is arranged on the right side of the upper end part of the vertical upright post 5, a winch 12 is arranged on the first mounting plate 11, the utility model discloses a brush cleaning machine, including vertical column 5, lifting block 13, first connecting block 14 and vertical lift belt 10 fixed connection, the right-hand member of lifting block 13 is equipped with articulated ear 15, and is rotatory through controlling first motor 6, drives vertical lift belt 10 and rotates from top to bottom, because first connecting block 14 and vertical lift belt 10 fixed connection to the reciprocating of first connecting block 14 drives scrubbing unit 2 and reciprocates, scrubbing unit 2 includes installing support 16 and slip group 17, second mounting panel 18 is all installed at the left and right both ends of installing support 16, be connected with guide post 19 between second mounting panel 18, it is left be equipped with second motor 20 on the second mounting panel 18, be equipped with first removal gyro wheel 21 on the output shaft of second motor 20, lean on the right side be equipped with second fixed axle 22 on second mounting panel 18, a second moving roller 23 is sleeved on the second fixed shaft 22, a transverse moving belt 24 is arranged between the first moving roller 21 and the second moving roller 23, and a traction rope in the winch 12 is fixedly connected to the upper end of the second fixed shaft 22.

The sliding group 17 comprises a third mounting plate 25, two first mounting vertical plates 26 are respectively arranged at the left end and the right end of the third mounting plate 25, a connecting plate 27 is respectively arranged at the upper end and the lower end of the outer side of each of the two first mounting vertical plates 26, an outer mounting plate 28 is connected between the connecting plates 27, two groups of supporting wheels 29 are arranged between the outer mounting plate 28 and the first mounting vertical plates 26 in parallel up and down, a telescopic cylinder 30 is arranged at the position near the front of the middle of the upper surface of the third mounting plate 25, the up-and-down movement of a fourth mounting plate 33 can be realized by controlling the extension and retraction of telescopic gas, a plurality of vertically through mounting holes 31 are symmetrically arranged on the third mounting plate 25 at the left side and the right side of the telescopic cylinder 30, self-lubricating copper sleeves 32 are respectively arranged in the mounting holes 31, the brass sleeves can play a lubricating effect when the guide rods 34 slide up and down, and an extension shaft of the telescopic cylinder 30 extends to the lower side of the third mounting plate 25, and be connected with fourth mounting panel 33 on telescopic cylinder 30's projecting shaft, wear to be equipped with guide bar 34 among the self-lubricating copper sheathing 32, many the equal fixed connection of lower extreme in guide bar 34 is in the upper surface of fourth mounting panel 33, it is equipped with second connecting block 35 to lean on the first installation riser 26 upper end on right side, second connecting block 35 and lateral shifting belt 24 fixed connection.

A third motor 36 is arranged at the front side of the telescopic cylinder 30, a first driving roller 37 is arranged on an output shaft of the third motor 36, the left end and the right end of the lower surface of the fourth mounting plate 33 are respectively provided with a second mounting vertical plate 38, a brushing roller 39 is connected between the two second mounting vertical plates 38, a second driving roller 40 is arranged at the middle position of the brushing roller 39, a driving belt 41 is arranged between the first driving roller 37 and the second driving roller 40, the driving belt 41 is engaged with the first driving roller 37 and the second driving roller 40 at the same time, a plurality of water spraying holes 42 are equidistantly formed at the front side of the lower surface of the fourth mounting plate 33, before the photovoltaic panel cleaning equipment cleans the photovoltaic panel, the water spray opening 42 sprays cleaning liquid in advance, the photovoltaic panel surface is wetted in advance to facilitate subsequent brushing, and a wiper mechanism 43 is arranged on the rear side of the lower surface of the third mounting plate 25.

A liquid storage tank 52 is arranged on one side of the hinged lug 15 below the mounting bracket 16, a water collecting part 53 is arranged on the lower side of the liquid storage tank 52, a water collecting groove 53a is formed in the water collecting part 53, the liquid storage tank 52 is communicated with the water spraying opening 42, specifically, the liquid storage tank 52 is communicated with the water spraying opening 42 through a pipe fitting, the water collecting groove 53a is communicated with the liquid storage tank 52, specifically, a water suction pump 56 is arranged on the liquid storage tank 52, the water suction pump 56 is communicated with the water collecting groove 53a through a water through pipe 57, and liquid collected in the water collecting groove 53a can be guided into the liquid storage tank 52 through the water suction pump 56.

The water collecting part 53 is provided with a blocking edge 54, when the inclination angle of the cleaning part 2 is consistent with that of the photovoltaic panel in the cleaning process, because the liquid storage tank 52 is fixedly connected with the hinge lug 15, and the water collecting part 53 is fixedly connected with the liquid storage tank 52, the hinge lug 15 drives the cleaning part 2 to change the inclination angle and simultaneously drives the inclination angle of the liquid storage tank 52 and the water collecting part 53, so that the inclination angle of the water collecting part 53 is also consistent with that of the photovoltaic panel, the photovoltaic panel is abutted against one side of the blocking edge 54 away from the water collecting tank 53a, after the cleaning liquid is sprayed out from the water spraying hole 42, the cleaning liquid flows along the photovoltaic panel towards the water collecting tank 53a, and because the inclined surface 54a is arranged on one side of the blocking edge 54 close to the liquid storage tank 52, and a water collecting channel 55 is formed between the inclined surface 54a and the liquid storage tank 52, when the cleaning liquid flows to the lowest end of the photovoltaic panel, the cleaning liquid can continuously flow into the water collecting channel 53a through the water collecting channel 55, the water suction pump 56 guides the collected cleaning liquid into the liquid storage tank 52, so that the cleaning liquid is recycled, the cleaning cost is reduced, and the waste of the cleaning liquid is reduced.

Scrape water mechanism 43 and include fixed station 44, the rear end of fixed station 44 lower surface is equipped with mounting groove 45, it has rotatory even to pull 46 to articulate in the mounting groove 45, rotatory even lower extreme of pulling 46 is equipped with installation spout 47, be equipped with scraping strip 48 in the rotatory installation spout 47, scraping strip 48 joint in mounting groove 45, when scraping strip 48 uses the damage for a long time, can directly extract the change with scraping strip 48, be connected with extension spring 49 between the front end of rotatory even pull 46 and the left lateral wall of mounting groove 45, through setting up extension spring 49, when scraping strip 48 scrapes the water to the photovoltaic board, swivelling joint's installation spout 47 can be like the dextrorotation, after scraping the water and finishing, extension spring 49 can make installation spout 47 resume to primary position.

The equidistance is equipped with a plurality of washing heads 50 on the fixed station 44 lower surface of mounting groove 45 front side, through setting up a plurality of washing heads 50, after photovoltaic board cleaning equipment repetitious usage, can remain the spot on the scraping strip 48, leads to scraping water unclean, through washing head 50 blowout cleaning solution, washes scraping strip 48, can solve the remaining phenomenon of spot, be equipped with rubber pad 51 on the mounting groove 45 right side wall, through setting up rubber pad 51, when scraping strip 48 scrapes the water to the photovoltaic board, swivelling joint's installation spout 47 can be like the right-hand rotation, and rubber pad 51 can prevent that installation spout 47 and fixed station 44 from taking place to collide with.

The method for cleaning the photovoltaic panel by the photovoltaic panel cleaning equipment comprises the following steps:

the method comprises the following steps: the device is moved to the front of a photovoltaic panel to be cleaned by a travelling wheel 4 in the moving part 1, and the lifting block 13 drives the brushing part 2 to ascend or descend to a specified position by controlling the first motor 6;

step two: controlling the winch 12 to reel in or pay out a traction rope according to the inclination angle of the photovoltaic panel to ensure that the inclination angle of the brushing part 2 is consistent with that of the photovoltaic panel;

step three: cleaning liquid is sprayed out of the water spray nozzles 42 in the sliding group 17, the sliding group 17 is driven by the second motor 20 to walk back and forth on the surface of the photovoltaic panel, meanwhile, the blocking edge 54 on the water collecting part 53 is abutted against the lower end of the photovoltaic panel, and the sprayed cleaning liquid is recovered to the liquid storage tank 52;

step three: after one sliding group 17 finishes walking back and forth, the third motor 36 is started to rotate, the telescopic cylinder 30 extends out at the same time, the brushing roller 39 is attached to the surface of the photovoltaic panel, and the sliding group 17 is driven by the second motor 20 to walk back and forth on the surface of the photovoltaic panel;

step four: and when the sliding group 17 returns to the starting point after brushing is finished, repeating the third step, flushing dirt on the surface of the photovoltaic panel, retracting the electric push rod, controlling the second motor 20 to bring the sliding group 17 to the highest point, moving downwards, and scraping liquid on the surface of the photovoltaic panel through the scraping strip 48.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Claims

1. A photovoltaic panel cleaning apparatus comprising a moving part (1) and a brushing part (2), characterized in that: the moving part (1) comprises a bearing plate (3) and two groups of walking wheels (4) arranged on the lower surface of the bearing plate (3), a vertical column (5) is arranged at the middle position of the upper surface of the bearing plate (3), a first motor (6) is arranged at the upper end of the vertical column (5), a first lifting roller (7) is arranged on an output shaft of the first motor (6), a first fixing shaft (8) is arranged on the left side of the lower end part of the vertical column (5), a second lifting roller (9) is sleeved on the first fixing shaft (8), a vertical lifting belt (10) is arranged between the first lifting roller (7) and the second lifting roller (9), the vertical lifting belt (10) is simultaneously engaged with the first lifting roller (7) and the second lifting roller (9), a first mounting plate (11) is arranged on the right side of the upper end part of the vertical column (5), the automatic cleaning machine is characterized in that a winch (12) is arranged on the first mounting plate (11), a lifting block (13) is slidably matched on the vertical upright post (5), a first connecting block (14) is arranged at the left end of the lifting block (13), the first connecting block (14) is fixedly connected with a vertical lifting belt (10), a hinge lug (15) is arranged at the right end of the lifting block (13), the cleaning part (2) comprises a mounting bracket (16) and a sliding group (17), second mounting plates (18) are respectively arranged at the left end and the right end of the mounting bracket (16), a guide post (19) is connected between the second mounting plates (18), a second motor (20) is arranged on the left side of the second mounting plate (18), a first moving roller (21) is arranged on an output shaft of the second motor (20), and a second fixing shaft (22) is arranged on the second mounting plate (18) close to the right side, the second fixed shaft (22) is sleeved with a second movable roller (23), a transverse movable belt (24) is arranged between the first movable roller (21) and the second movable roller (23), and a traction rope in the winch (12) is fixedly connected to the upper end of the second fixed shaft (22).

2. A photovoltaic panel cleaning apparatus as claimed in claim 1, wherein: the sliding group (17) comprises a third mounting plate (25), the left end and the right end of the third mounting plate (25) are respectively provided with two first mounting vertical plates (26), the upper end and the lower end of the outer side of each of the two first mounting vertical plates (26) are respectively provided with a connecting plate (27), an outer mounting plate (28) is connected between the connecting plates (27), two groups of supporting wheels (29) are arranged between the outer mounting plate (28) and the first mounting vertical plates (26) in parallel up and down, a telescopic cylinder (30) is arranged at a position close to the front in the middle of the upper surface of the third mounting plate (25), a plurality of vertically through mounting holes (31) are symmetrically arranged on the third mounting plate (25) at the left side and the right side of the telescopic cylinder (30), self-lubricating copper sleeves (32) are arranged in the mounting holes (31), and an extension shaft of the telescopic cylinder (30) extends to the lower side of the third mounting plate (25), and be connected with fourth mounting panel (33) on the projecting shaft of telescopic cylinder (30), wear to be equipped with guide bar (34) in self-lubricating copper sheathing (32), many the equal fixed connection in the upper surface of fourth mounting panel (33) of lower extreme of guide bar (34), first installation riser (26) upper end on leaning on the right side is equipped with second connecting block (35), second connecting block (35) and lateral shifting belt (24) fixed connection.

3. A photovoltaic panel cleaning apparatus as claimed in claim 2, wherein: the front side of telescopic cylinder (30) is equipped with third motor (36), be equipped with first drive roller (37) on the output shaft of third motor (36), both ends respectively are equipped with a second installation riser (38) about fourth mounting panel (33) lower surface, two be connected with between second installation riser (38) brush roll (39), the intermediate position of brush roll (39) is provided with second drive roller (40), be equipped with between first drive roller (37) and second drive roller (40) drive belt (41), drive belt (41) mesh simultaneously on first drive roller (37) and second drive roller (40), the front side equidistance of fourth mounting panel (33) lower surface is equipped with a plurality of water jet (42), the rear side of third mounting panel (25) lower surface is equipped with scrapes water mechanism (43).

4. A photovoltaic panel cleaning apparatus as claimed in claim 3, wherein: one side of the hinged lug (15) below the mounting support (16) is provided with a liquid storage tank (52), the lower side of the liquid storage tank (52) is provided with a water collecting part (53), a water collecting groove (53a) is formed in the water collecting part (53), the liquid storage tank (52) is communicated with the water spraying opening (42), and the water collecting groove (53a) is communicated with the liquid storage tank (52).

5. A photovoltaic panel cleaning apparatus according to claim 4, characterized in that; a blocking edge (54) is arranged on the water collecting portion (53), an inclined surface (54a) is arranged on one side, close to the liquid storage tank (52), of the blocking edge (54), and a water collecting channel (55) is formed between the inclined surface (54a) and the liquid storage tank (52).

6. A photovoltaic panel cleaning apparatus according to claim 5, characterized in that; the liquid storage tank (52) is provided with a water suction pump (56), and the water suction pump (56) is communicated with the water collecting tank (53a) through a water pipe (57).

7. A photovoltaic panel cleaning apparatus as claimed in claim 3, wherein: scrape water mechanism (43) and include fixed station (44), the rear end of fixed station (44) lower surface is equipped with mounting groove (45), it has rotatory company to pull (46) to articulate in mounting groove (45), the lower extreme of rotatory company pulling (46) is equipped with installation spout (47), be equipped with in rotatory installation spout (47) and scrape strip (48), be connected with extension spring (49) between the left lateral wall of the front end of rotatory company pulling (46) and mounting groove (45).

8. A photovoltaic panel cleaning apparatus as claimed in claim 7, wherein: the fixed station (44) lower surface of mounting groove (45) front side is gone up the equidistance and is equipped with a plurality of washing heads (50), be equipped with rubber pad (51) on mounting groove (45) right side wall.