CN114505267A

CN114505267A - Automatic cleaning device for solar cell panel

Info

Publication number: CN114505267A
Application number: CN202210144709.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Shen Songbo
Current assignee: Shen Songbo
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2022-05-17
Also published as: CN111715567A

Abstract

The invention discloses an automatic cleaning device for a solar cell panel, and belongs to the technical field of cleaning equipment. An automatic cleaning device for a solar cell panel comprises a shell, wherein the interior of the shell is symmetrically and rotatably connected with first lead screws through bearings, first driven gears are sleeved and fixed on the outer side walls of the first lead screws, a servo motor is fixed on the inner wall of the bottom of the shell, a first driving gear is fixed on an output shaft of the servo motor, a first chain is arranged in the shell, the first driving gear is in transmission connection with two first driven gears through the first chain, a sliding plate is connected to the interior of the shell in a sliding mode, and the two first lead screws are both in threaded connection with the sliding plate; compared with the traditional method of cleaning the surface of the solar photovoltaic panel in a manual mode, the cleaning method has the advantages of time and labor saving, high cleaning efficiency and capability of conveniently and quickly disassembling the strip-shaped sponge block for cleaning when the strip-shaped sponge block is dirty.

Description

Automatic cleaning device for solar cell panel

This application is divisional application, and the original case patent number is: 202010584322.0, filing date 2020, 6/24, entitled: an automatic cleaning device for a solar photovoltaic panel.

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to an automatic cleaning device for a solar cell panel.

Background

Nowadays, the energy crisis and the problem of environmental pollution are more and more regarded by people, new energy has been generally applied to daily life, and photovoltaic module solar photovoltaic board is because of its environmental friendly characteristics extensive. The photovoltaic module is a photovoltaic power generation structural unit composed of solar cells, is commonly called a solar photovoltaic panel, and is a core component for generating electric energy by utilizing solar energy at present. At present, the mainstream photovoltaic module takes a silicon-based battery piece as a core. A large number of production practices show that photovoltaic modules placed in the open air tend to accumulate contaminants such as dust on the light-passing surfaces after being used for a period of time. The accumulation of dust obviously reduces the luminous flux of the photovoltaic module, and further obviously reduces the electric energy output capacity of the photovoltaic module.

At present, the surface of a solar photovoltaic panel is generally cleaned manually, so that time and labor are wasted, and the efficiency is low, so that an automatic cleaning device for the solar panel is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the cleaning of a solar photovoltaic panel is time-consuming and labor-consuming in a manual mode and low in efficiency, and provides an automatic cleaning device for a solar panel.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic cleaning device for a solar cell panel comprises a shell, wherein the interior of the shell is symmetrically and rotatably connected with a first lead screw through a bearing, the outer side wall of the first lead screw is sleeved with and fixed with a first driven gear, the inner wall of the bottom of the shell is fixed with a servo motor, an output shaft of the servo motor is fixed with a first driving gear, a first chain is arranged in the shell, the first driving gear is in transmission connection with two first driven gears through the first chain, the interior of the shell is in sliding connection with a sliding plate, the two first lead screws are in threaded connection with the sliding plate, slide bars are fixed at four corners of the top of the sliding plate, a support plate is arranged above the shell, the top ends of the slide bars slide through the top of the shell and are fixedly connected with the bottom of the support plate, a U-shaped plate is fixed at the top of the support plate, and an extension mechanism is arranged above the support plate, the extension mechanism is characterized in that rotating rods are mounted on two sides of the extension mechanism, one end of each rotating rod penetrates through one side wall adjacent to the U-shaped plate and is sleeved with a worm wheel, the rotating rods are rotatably connected with one side wall adjacent to the U-shaped plate through bearings, two side walls of the U-shaped plate are equally divided and are respectively fixed with a first transverse plate and a second transverse plate, the top of each first transverse plate is rotatably connected with a worm through a bearing, the worm is meshed with the adjacent worm wheel, the top end of each worm penetrates through the top of the corresponding second transverse plate and is sleeved with a second driven gear, the top end of each worm is rotatably connected with the corresponding second transverse plate through a bearing, an L-shaped plate is fixed at the top of the U-shaped plate, a speed reducing motor is fixed at the bottom of the L-shaped plate, a second driving gear is fixed on an output shaft of the speed reducing motor, a second chain is arranged above the U-shaped plate, and the second driving gear is in transmission connection with the two second driven gears through a second chain, two box bodies are installed to the one end of extension mechanism, the inside of box body all rotates through the bearing and is connected with two-way lead screw, the top of two-way lead screw all runs through the top of box body and is fixed with the carousel, the both ends lateral wall of two-way lead screw all has splint through threaded connection, the equal sliding connection of splint has the box body in, the opening has been seted up to the equal symmetry of a lateral wall of box body, splint run through corresponding opening respectively, one side of extension mechanism is provided with the bar sponge piece, the both ends of bar sponge piece set up respectively between two corresponding splint.

Threaded holes are symmetrically formed in the top of the sliding plate, the two first screw rods are in threaded connection with the corresponding threaded holes respectively, sliding blocks are fixed to two side walls of the sliding plate, sliding grooves are formed in the inner walls of two sides of the shell, and the sliding blocks are connected in the corresponding sliding grooves in a sliding mode respectively.

Preferably, extension mechanism includes the box, the both sides wall of box respectively with the one end fixed connection of adjacent bull stick, the inside of box rotates through the bearing and is connected with the second lead screw, a lateral wall of box is fixed with step motor, the one end of second lead screw run through the lateral wall of box and with step motor's output shaft fixed connection, the lateral wall of second lead screw has the connecting plate through threaded connection, connecting plate sliding connection is in the box, a lateral wall symmetry of connecting plate is fixed with the connecting rod, the one end of connecting rod slide pass the box a lateral wall and with a lateral wall fixed connection of corresponding box body.

Preferably, a threaded hole is formed in one side wall of the connecting plate, the second lead screw is in threaded connection with the threaded hole, limiting blocks are fixed to two side walls of the connecting plate, limiting grooves are formed in inner walls of two sides of the box body, and the limiting blocks are respectively connected in the corresponding limiting grooves in a sliding mode.

Preferably, a through hole is symmetrically formed in one side wall of the box body, and the connecting rod penetrates through the corresponding through hole.

Preferably, universal auto-lock wheels are installed at four corners of the bottom of the shell, push handles are symmetrically fixed to one side wall of the shell, and anti-skid rubber sleeves are fixedly sleeved on the surfaces of the push handles.

Preferably, four sliding holes are symmetrically formed in the top of the shell, and the sliding rods respectively penetrate through the corresponding sliding holes.

Preferably, the surface of the turntable is provided with anti-skid lines.

Preferably, the screw thread directions at the two ends of the two-way screw rod are opposite, the top of the clamping plate is respectively provided with a screw thread hole corresponding to the screw thread at the two ends of the two-way screw rod, and the two ends of the two-way screw rod are respectively in threaded connection with the screw thread holes of the corresponding clamping plate.

Preferably, a square block is fixed on one side wall of the clamping plate, square grooves are symmetrically formed in the inner wall of one side of the box body, and the square blocks are respectively connected in the corresponding square grooves in a sliding mode.

Compared with the prior art, the invention provides an automatic cleaning device for a solar cell panel, which has the following beneficial effects:

1. this automatic cleaning device for solar cell panel, through the casing, first lead screw, first driven gear, servo motor, first driving gear, first chain, the cooperation of slide and slide bar, can adjust the height of bar sponge piece, through the U template, the bull stick, the worm wheel, first diaphragm, the second diaphragm, the worm, second driven gear, the L template, gear motor, the cooperation of second driving gear and second chain, can adjust the angle of bar sponge piece, through setting up extension mechanism, can make bar sponge piece remove, thereby can conveniently and fast clear up the surface of solar photovoltaic board, compare through artificial mode clearance with the tradition, time saving and labor saving, cleaning efficiency is higher.

2. This automatic cleaning device for solar cell panel through the cooperation of box body, two-way lead screw, carousel and splint, can convenient and fast carry out the dismouting to bar sponge piece to when bar sponge piece is dirty, can be comparatively convenient dismantle it get off wash.

Compared with the traditional method for cleaning the surface of the solar photovoltaic panel in a manual mode, the cleaning device is more time-saving and labor-saving, has higher cleaning efficiency, and can be conveniently and quickly detached for cleaning when the strip-shaped sponge block is dirty.

Drawings

Fig. 1 is a schematic overall structural view of an automatic cleaning device for a solar cell panel according to the present invention;

fig. 2 is a schematic view of an overall right-side structure of an automatic cleaning device for a solar cell panel according to the present invention;

fig. 3 is a schematic overall rear view of an automatic cleaning device for a solar cell panel according to the present invention;

FIG. 4 is a schematic diagram of an internal top view of an extending mechanism of an automatic cleaning device for a solar cell panel according to the present invention;

fig. 5 is a schematic top view of a housing of an automatic cleaning device for a solar panel according to the present invention.

In the figure: 1. a housing; 2. a first lead screw; 3. a first driven gear; 4. a servo motor; 5. a first drive gear; 6. a first chain; 7. a slide plate; 8. a slide bar; 9. a support plate; 10. a U-shaped plate; 11. an elongation mechanism; 1101. a box body; 1102. a second lead screw; 1103. a stepping motor; 1104. a connecting plate; 1105. a connecting rod; 1106. a limiting block; 1107. a limiting groove; 1108. perforating; 12. a rotating rod; 13. a worm gear; 14. a first transverse plate; 15. a second transverse plate; 16. a worm; 17. a second driven gear; 18. an L-shaped plate; 19. a reduction motor; 20. a second driving gear; 21. a second chain; 22. a box body; 23. a bidirectional screw rod; 24. a turntable; 25. a splint; 26. a port; 27. a strip sponge block; 28. a universal self-locking wheel; 29. a push handle; 30. a slide hole; 31. a slider; 32. a chute; 33. a square block; 34. a square groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, an automatic cleaning device for a solar cell panel comprises a housing 1, the interior of the housing 1 is symmetrically and rotatably connected with first lead screws 2 through bearings, the outer side walls of the first lead screws 2 are respectively sleeved and fixed with first driven gears 3, the inner bottom wall of the housing 1 is fixed with a servo motor 4, the output shaft of the servo motor 4 is fixed with a first driving gear 5, a first chain 6 is arranged in the housing 1, the first driving gear 5 is in transmission connection with the two first driven gears 3 through the first chain 6, the interior of the housing 1 is slidably connected with a sliding plate 7, the two first lead screws 2 are respectively in threaded connection with the sliding plate 7, slide bars 8 are respectively fixed at four corners of the top of the sliding plate 7, a support plate 9 is arranged above the housing 1, the top ends of the slide bars 8 respectively slide through the top of the housing 1 and are fixedly connected with the bottom of the support plate 9, a U-shaped plate 10 is fixed at the top of the support plate 9, an extension mechanism 11 is arranged above the supporting plate 9, rotating rods 12 are respectively arranged on two sides of the extension mechanism 11, one end of each rotating rod 12 penetrates through one side wall adjacent to the U-shaped plate 10 and is fixedly sleeved with a worm wheel 13, each rotating rod 12 is rotatably connected with one side wall adjacent to the U-shaped plate 10 through a bearing, a first transverse plate 14 and a second transverse plate 15 are respectively fixed on two side walls of the U-shaped plate 10, the top of each first transverse plate 14 is rotatably connected with a worm 16 through a bearing, each worm 16 is meshed with the adjacent worm wheel 13, the top of each worm 16 penetrates through the top of the corresponding second transverse plate 15 and is fixedly sleeved with a second driven gear 17, the top of each worm 16 is rotatably connected with the corresponding second transverse plate 15 through a bearing, an L-shaped plate 18 is fixed on the top of the U-shaped plate 10, a reduction motor 19 is fixed on the bottom of the L-shaped plate 18, and a second driving gear 20 is fixed on an output shaft of the reduction motor 19, u template 10's top is provided with second chain 21, second driving gear 20 is connected with two second driven gear 17 transmissions through second chain 21, two have box body 22 are installed to extension mechanism 11's one end, box body 22's inside all is connected with two-way lead screw 23 through the bearing rotation, the top of box body 22 is all run through on two-way lead screw 23's top and is fixed with carousel 24, two-way lead screw 23's both ends lateral wall all has splint 25 through threaded connection, splint 25 all sliding connection has in the box body 22, opening 26 has been seted up to the equal symmetry of a lateral wall of box body 22, splint 25 run through corresponding opening 26 respectively, one side of extension mechanism 11 is provided with bar sponge piece 27, the both ends of bar sponge piece 27 set up respectively between two corresponding splint 25.

In the embodiment, the height of the strip-shaped sponge block 27 can be adjusted through the matching of the shell 1, the first lead screw 2, the first driven gear 3, the servo motor 4, the first driving gear 5, the first chain 6, the sliding plate 7 and the sliding rod 8, the angle of the strip-shaped sponge block 27 can be adjusted through the matching of the U-shaped plate 10, the rotating rod 12, the worm wheel 13, the first transverse plate 14, the second transverse plate 15, the worm 16, the second driven gear 17, the L-shaped plate 18, the speed reducing motor 19, the second driving gear 20 and the second chain 21, the strip-shaped sponge block 27 can be moved through the arrangement of the extension mechanism 11, so that the surface of the solar photovoltaic panel can be conveniently and quickly cleaned, compared with the traditional cleaning through a manual mode, the cleaning is time-saving and labor-saving, the cleaning efficiency is high, the strip-shaped sponge block 27 can be conveniently and quickly disassembled through the matching of the box body 22, the bidirectional lead screw 23, the rotary disc 24 and the clamping plate 25, so that when the strip-shaped sponge block 27 is dirty, the strip-shaped sponge block can be conveniently detached for cleaning.

Specifically, the elongation mechanism 11 includes a box 1101, two side walls of the box 1101 are respectively fixedly connected to one end of an adjacent rotating rod 12, the inside of the box 1101 is rotatably connected to a second lead screw 1102 through a bearing, a side wall of the box 1101 is fixed with a stepping motor 1103, one end of the second lead screw 1102 penetrates through one side wall of the box 1101 and is fixedly connected to an output shaft of the stepping motor 1103, an outer side wall of the second lead screw 1102 is connected to a connecting plate 1104 through a thread, the connecting plate 1104 is slidably connected in the box 1101, a side wall of the connecting plate 1104 is symmetrically fixed with a connecting rod 1105, and one end of the connecting rod 1105 slides through one side wall of the box 1101 and is fixedly connected to a side wall of a corresponding box 22.

In this embodiment, the extension mechanism 11 can be convenient and fast to drive the strip-shaped sponge block 27 to move, so that the strip-shaped sponge block 27 can move on the surface of the solar photovoltaic panel, and dust and impurities on the surface of the solar photovoltaic panel can be cleaned.

Specifically, a threaded hole is formed in one side wall of the connecting plate 1104, the second lead screw 1102 is in threaded connection with the threaded hole, limiting blocks 1106 are fixed to two side walls of the connecting plate 1104, limiting grooves 1107 are formed in inner walls of two sides of the box 1101, and the limiting blocks 1106 are respectively in sliding connection in the corresponding limiting grooves 1107.

In this embodiment, a screw hole is formed in one side wall of the connecting plate 1104 to allow the second lead screw 1102 to be matched with the screw hole, a stopper 1106 is fixed to two side walls of the connecting plate 1104, and a stopper groove 1107 is formed in two side inner walls of the box 1101, so that the connecting plate 1104 can stably slide.

Specifically, through holes 1108 are symmetrically formed in one side wall of the box 1101, and the connecting rods 1105 penetrate through the corresponding through holes 1108.

In this embodiment, the through holes 1108 are symmetrically formed in one side wall of the case 1101 so that the connecting bar 1105 can smoothly pass through one side wall of the case 1101.

Specifically, universal self-locking wheels 28 are mounted at four corners of the bottom of the casing 1, push handles 29 are symmetrically fixed on one side wall of the casing 1, and anti-skid rubber sleeves are sleeved and fixed on the surfaces of the push handles 29.

In this embodiment, the universal self-locking wheels 28 are installed at four corners of the bottom of the housing 1, so as to facilitate movement of the device, the pushing handle 29 is arranged so as to facilitate pushing of the device, and the anti-slip rubber sleeve is sleeved on the surface of the pushing handle 29, so that a better anti-slip effect can be achieved.

Specifically, four sliding holes 30 are symmetrically formed in the top of the housing 1, and the sliding rods 8 respectively penetrate through the corresponding sliding holes 30.

In this embodiment, four sliding holes 30 are symmetrically formed in the top of the housing 1, so that the sliding rod 8 can smoothly pass through the top of the housing 1.

Specifically, threaded holes are symmetrically formed in the top of the sliding plate 7, the two first screw rods 2 are in threaded connection with the corresponding threaded holes respectively, sliding blocks 31 are fixed to two side walls of the sliding plate 7, sliding grooves 32 are formed in inner walls of two sides of the shell 1, and the sliding blocks 31 are connected in the corresponding sliding grooves 32 in a sliding mode respectively.

In this embodiment, the top of the sliding plate 7 is symmetrically provided with threaded holes for matching with the two first screw rods 2, the sliding plates 7 can stably slide by fixing the sliding blocks 31 on the two side walls of the sliding plate 7 and providing the sliding grooves 32 on the inner walls of the two sides of the shell 1.

Specifically, the surface of the rotating disc 24 is provided with anti-skid lines.

In this embodiment, the anti-slip patterns are arranged on the surface of the rotary plate 24, so that a better anti-slip effect can be achieved, and people can rotate the rotary plate 24 conveniently.

Specifically, the two ends of the two-way screw rod 23 have opposite screw directions, the top of the clamping plate 25 is respectively provided with a threaded hole corresponding to the screw threads at the two ends of the two-way screw rod 23, and the two ends of the two-way screw rod 23 are respectively in threaded connection with the threaded holes of the corresponding clamping plate 25.

In this embodiment, the top of the clamping plate 25 is provided with threaded holes corresponding to the threads at the two ends of the two-way screw rod 23, so as to be matched with the two-way screw rod 23, and when the two-way screw rod 23 rotates, the clamping plates 25 at the two ends of the two-way screw rod 23 can move in opposite directions.

Specifically, a side wall of the clamping plate 25 is fixed with square blocks 33, a side inner wall of the box body 22 is symmetrically provided with square grooves 34, and the square blocks 33 are respectively connected in the corresponding square grooves 34 in a sliding manner.

In this embodiment, the square block 33 is fixed on one side wall of the clamping plate 25, and the square groove 34 is symmetrically formed on one side inner wall of the box body 22, so that the clamping plate 25 can stably slide.

The working principle and the using process of the invention are as follows: when the device is used, the device is moved beside a solar photovoltaic panel, then the servo motor 4 is started, the servo motor 4 drives the first driving gear 5 to rotate, the first driving gear 5 can drive the two first driven gears 3 to rotate through the first chain 6, so that the two first lead screws 2 can be driven to rotate, the two first lead screws 2 can drive the sliding plate 7 to move upwards, the sliding plate 7 can drive the sliding rod 8 to move upwards, so that the height of the strip-shaped sponge block 27 can be adjusted to a proper position, then the speed reducing motor 19 is started, the speed reducing motor 19 drives the second driving gear 20 to rotate, the second driving gear 20 can drive the two second driven gears 17 to rotate through the second chain 21, so that the two worms 16 can be driven to rotate, the two worms 16 can drive the corresponding worm gears 13 to rotate, and the worm gears 13 can drive the rotating rods 12 to rotate, the rotating rod 12 can drive the extension mechanism 11 to rotate, so that the angle of the strip-shaped sponge block 27 can be adjusted, until the bottom of the strip-shaped sponge block 27 contacts with the top of the solar photovoltaic panel, it should be noted here that the distance between the two box bodies 22 is greater than the width of the solar photovoltaic panel, then the stepping motor 1103 is started, the stepping motor 1103 drives the second lead screw 1102 to rotate, the second lead screw 1102 can drive the connecting plate 1104 to move, the connecting plate 1104 can drive the connecting rod 1105 to move, the connecting rod 1105 can drive the box bodies 22 to move, so that the strip-shaped sponge block 27 can be driven to move on the surface of the solar photovoltaic panel, so that dust on the surface of the solar photovoltaic panel can be cleaned, it should be noted here that a storage battery and a control panel are installed on the shell 1, the storage battery and the control panel are not shown in the figure, the storage battery is electrically connected with the control panel, and the control panel is electrically connected with the servo motor 4, Gear motor 19 and step motor 1103, when bar sponge piece 27 is dirty, can dismantle it and wash, and the dismantlement process does, rotates carousel 24, and carousel 24 drives two-way lead screw 23 and rotates, and two-way lead screw 23 can drive two splint 25 and move toward both sides to can remove the restriction to bar sponge piece 27, just so can dismantle it, the installation of bar sponge piece 27, just here is not repeated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The automatic cleaning device for the solar cell panel comprises a shell (1) and is characterized in that a first lead screw (2) is connected to the inside of the shell (1) in a rotating mode through bearings in a symmetrical mode, a first driven gear (3) is fixedly arranged on the outer side wall of the first lead screw (2) in a sleeved mode, a servo motor (4) is fixedly arranged on the inner wall of the bottom of the shell (1), a first driving gear (5) is fixedly arranged on an output shaft of the servo motor (4), a first chain (6) is arranged in the shell (1), the first driving gear (5) is in transmission connection with two first driven gears (3) through the first chain (6), a sliding plate (7) is connected to the inside of the shell (1) in a sliding mode, the two first lead screws (2) are connected with the sliding plate (7) through threads, and sliding rods (8) are fixedly arranged at the four corners of the top of the sliding plate (7), the top of casing (1) is provided with backup pad (9), the top of slide bar (8) all slides and passes the top of casing (1) and with the bottom fixed connection of backup pad (9), the top of backup pad (9) is fixed with U template (10), the top of backup pad (9) is provided with extension mechanism (11), bull stick (12) is all installed to the both sides of extension mechanism (11), the one end of bull stick (12) is run through U template (10) adjacent lateral wall and the cover is established and is fixed with worm wheel (13), bull stick (12) all rotates through bearing and U template (10) adjacent lateral wall and is connected, the both sides wall of U template (10) is equallyd divide and is respectively fixed with first diaphragm (14) and second diaphragm (15), the top of first diaphragm (14) all is connected with worm (16) through the bearing rotation, worm (16) are connected with adjacent worm wheel (13) meshing, the top end of the worm (16) penetrates through the top of the corresponding second transverse plate (15) and is sleeved with a second driven gear (17), the top end of the worm (16) is rotatably connected with the corresponding second transverse plate (15) through a bearing, the top of the U-shaped plate (10) is fixed with an L-shaped plate (18), the bottom of the L-shaped plate (18) is fixed with a speed reducing motor (19), an output shaft of the speed reducing motor (19) is fixed with a second driving gear (20), a second chain (21) is arranged above the U-shaped plate (10), the second driving gear (20) is in transmission connection with the two second driven gears (17) through the second chain (21), two box bodies (22) are installed at one end of the extension mechanism (11), a bidirectional screw rod (23) is rotatably connected inside the box bodies (22) through bearings, the top end of the bidirectional screw rod (23) penetrates through the top of the box bodies (22) and is fixed with a rotary table (24), outer side walls of two ends of the two-way screw rod (23) are connected with clamping plates (25) through threads, the clamping plates (25) are connected into the box body (22) in a sliding mode, through holes (26) are symmetrically formed in one side wall of the box body (22), the clamping plates (25) penetrate through the corresponding through holes (26) respectively, a strip-shaped sponge block (27) is arranged on one side of the extending mechanism (11), and two ends of the strip-shaped sponge block (27) are arranged between the two corresponding clamping plates (25) respectively;

threaded holes are symmetrically formed in the top of the sliding plate (7), the first screw rods (2) are in threaded connection with the corresponding threaded holes respectively, sliding blocks (31) are fixed to two side walls of the sliding plate (7), sliding grooves (32) are formed in inner walls of two sides of the shell (1), and the sliding blocks (31) are in sliding connection in the corresponding sliding grooves (32) respectively.

2. The automatic cleaning device for the solar panel according to claim 1, the extension mechanism (11) comprises a box body (1101), two side walls of the box body (1101) are respectively and fixedly connected with one end of an adjacent rotating rod (12), a second screw rod (1102) is rotatably connected with the inside of the box body (1101) through a bearing, a stepping motor (1103) is fixed on one side wall of the box body (1101), one end of the second screw rod (1102) penetrates through one side wall of the box body (1101) and is fixedly connected with an output shaft of the stepping motor (1103), the outer side wall of the second screw rod (1102) is connected with a connecting plate (1104) through threads, the connecting plate (1104) is connected in the box body (1101) in a sliding way, connecting rods (1105) are symmetrically fixed on one side wall of the connecting plate (1104), one end of the connecting rod (1105) slides through one side wall of the box body (1101) and is fixedly connected with one side wall of the corresponding box body (22).

3. The automatic cleaning device for the solar panel according to claim 2, wherein a threaded hole is formed in one side wall of the connecting plate (1104), the second screw rod (1102) is in threaded connection with the threaded hole, limiting blocks (1106) are fixed to two side walls of the connecting plate (1104), limiting grooves (1107) are formed in two side inner walls of the box body (1101), and the limiting blocks (1106) are respectively connected in the corresponding limiting grooves (1107) in a sliding mode.

4. The automatic cleaning device for the solar panel according to claim 2, wherein a through hole (1108) is symmetrically formed in one side wall of the box body (1101), and the connecting rod (1105) penetrates through the corresponding through hole (1108).

5. The automatic cleaning device for the solar panel according to claim 1, wherein four corners of the bottom of the casing (1) are respectively provided with a universal self-locking wheel (28), a push handle (29) is symmetrically fixed on one side wall of the casing (1), and an anti-skid rubber sleeve is sleeved and fixed on the surface of each push handle (29).

6. The automatic cleaning device for the solar panel according to claim 1, wherein four sliding holes (30) are symmetrically formed in the top of the housing (1), and the sliding rods (8) respectively penetrate through the corresponding sliding holes (30).

7. The automatic cleaning device for the solar panel as claimed in claim 1, wherein the surface of the rotating disc (24) is provided with anti-skid lines.

8. The automatic cleaning device for the solar panel according to claim 1, wherein the two ends of the bidirectional screw rod (23) have opposite screw directions, the top of the clamping plate (25) is respectively provided with a screw hole corresponding to the screw threads at the two ends of the bidirectional screw rod (23), and the two ends of the bidirectional screw rod (23) are respectively connected with the screw holes of the corresponding clamping plate (25) through screw threads.

9. The automatic cleaning device for the solar panel according to claim 1, wherein a square block (33) is fixed on one side wall of the clamping plate (25), square grooves (34) are symmetrically formed on one side inner wall of the box body (22), and the square blocks (33) are respectively connected in the corresponding square grooves (34) in a sliding manner.