Photovoltaic cleaning robot convenient to disassemble

Abstract

The utility model discloses a photovoltaic cleaning robot convenient to disassemble, and belongs to the field of photovoltaic technology. The driving assemblies are fixedly mounted at the front and rear ends of the photovoltaic panel; the driving end of the driving assembly is connected with a quick mounting device; the quick mounting device comprises a first plugging assembly, a second plugging assembly and a locking assembly, the first plugging assembly is fixedly connected with the output end of the driving assembly, the first plugging assembly is connected with the second plugging assembly, and the first plugging assembly and the second plugging assembly are both connected with the locking assembly; the second inserting-connecting assembly is provided with a side supporting plate, the first inserting-connecting assembly is connected with the movable frame, and the side supporting plate is provided with a side limiting wheel. The movable frame is provided with a pressing wheel, and the pressing wheel is in fit contact with the top of the photovoltaic panel; a roller brush assembly making contact with the outer face of the photovoltaic panel is installed in the movable frame. The left end and the right end of the movable frame are both connected with detachable dust scraping assemblies making contact with the top of the photovoltaic panel all the time. When the movable frame connecting structure is disassembled or assembled, the driving assembly does not need to be disassembled and assembled, and actual use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic technology field, concretely relates to a photovoltaic cleaning robot convenient to dismount. BACKGROUND

[0002] In the daily work of photovoltaic board, a large amount of dust will accumulate on the surface, causing the surface of photovoltaic board to be shaded, which seriously affects the working efficiency of photovoltaic board, therefore, the surface of photovoltaic board is cleaned through cleaning equipment.

[0003] Now the mobile assembly adopts a pressure wheel support, and then the side limiting wheel is limited with the end part of the photovoltaic board, and the two types of rollers are matched with the driving equipment to realize the light resistance movement of the cleaning structure, but when the cleaning structure is overhauled, the side limiting wheel and the end part of the photovoltaic board are in the limiting state, so the driving equipment needs to be removed first to take out the cleaning structure from the end part of the photovoltaic board, which is more complex to operate and is not conducive to actual use.

[0004] Based on this, the utility model discloses a kind of photovoltaic cleaning robots convenient to dismount to solve above-mentioned problems. UTILITY MODEL CONTENT

[0005] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of photovoltaic cleaning robots convenient to dismount.

[0006] To achieve the above purpose, the utility model is realized by the following technical schemes:

[0007] A kind of photovoltaic cleaning robot convenient to dismount, including driving assembly;

[0008] Driving assembly is fixedly installed at the front and rear end of photovoltaic board;

[0009] The driving end of driving assembly is connected with quick mounting device;

[0010] Quick mounting device includes first plug-in assembly, second plug-in assembly and locking assembly, first plug-in assembly is fixedly connected with the output end of driving assembly, first plug-in assembly is connected with second plug-in assembly, first plug-in assembly and second plug-in assembly are connected with locking assembly;

[0011] Second plug-in assembly has side support plate, first plug-in assembly is connected with moving frame, side support plate inner end is fixedly connected with side limiting wheel, and the rotary groove of side limiting wheel is rotatably connected with the front and rear end of photovoltaic board;

[0012] The left and right ends of moving frame are rotatably connected with pressure wheel, and the pressure wheel is in contact with the top of photovoltaic board;

[0013] Rolling brush assembly is installed in moving frame and contacts with the outside of photovoltaic board;

[0014] The left and right ends of the moving frame are connected with the detachable scraping assembly which is always in contact with the top of the photovoltaic panel.

[0015] Further, the first plug-in assembly comprises an n-shaped plate, a connecting block and a U-shaped plate, the n-shaped plate is fixedly installed at the front and rear ends of the moving frame, the U-shaped plate is located at the lower end of the n-shaped plate, and the n-shaped plate and the U-shaped plate are oppositely arranged, the connecting block is inserted into the n-shaped plate and the U-shaped plate, and the connecting block is fixedly connected with the output end of the driving assembly, the U-shaped plate is connected with the locking assembly, and the second plug-in assembly is fixedly connected with the U-shaped plate.

[0016] Further, the second plug-in assembly comprises a limiting plug-in plate, the limiting plug-in plate is fixedly installed at the inner end of the U-shaped plate, a limiting plug-in slot is formed at the lower end of the moving frame, and the limiting plug-in slot is plugged with the limiting plug-in plate, and the side support plates are symmetrically installed on the inner walls of the limiting plug-in plate.

[0017] Further, the locking assembly comprises a rotating plate, a horizontal shaft, a torsional spring and a protruding block, the horizontal shaft is fixedly installed on the front and rear side walls of the moving frame, the horizontal shaft is located above the n-shaped plate, the rotating plate is rotatably connected with the outer end of the horizontal shaft, the outer wall of the horizontal shaft is fixedly connected with the inner end of the torsional spring, the outer end of the torsional spring is fixedly connected with the side wall of the moving frame, the protruding block is fixedly installed on the outer wall of the U-shaped plate, a protruding block is formed at the end of the protruding block close to the U-shaped plate, and the inner wall of the protruding block is plugged with the outer side of the rotating plate.

[0018] Further, the torsional spring is always in a compressed state.

[0019] Further, the detachable scraping assembly comprises a scraping assembly, a guiding assembly and an elastic compression assembly, the guiding assembly is installed on the side wall of the moving frame, the scraping assembly and the elastic compression assembly are limitingly and slidably connected in the guiding assembly, the bottom of the elastic compression assembly is in contact with the top of the scraping assembly, and the scraping assembly is in contact with the top of the photovoltaic panel.

[0020] Further, the guiding assembly comprises a box body, a horizontal groove is formed in the front side wall of the box body, a vertical straight groove is formed at the rear end of the horizontal groove, the top of the straight groove is higher than the top of the horizontal groove, the bottom of the straight groove is lower than the bottom of the horizontal groove, and the horizontal groove is limitingly and slidably connected with the scraping assembly and the elastic compression assembly.

[0021] Further, the scraping assembly comprises a scraping plate, a straight plate and a first T-shaped plate, the scraping plate is fixedly connected with the bottom of the straight plate, the bottom of the scraping plate is slidably connected with the top of the photovoltaic panel, the top of the straight plate is fixedly connected with the outer end of the thinner part of the first T-shaped plate, the wider part of the first T-shaped plate is slidably connected with the inner wall of the box body, the thinner part of the first T-shaped plate is slidably connected with the inner wall of the straight groove, and the top of the first T-shaped plate is in contact with the bottom of the elastic compression assembly.

[0022] Advantages

[0023] This invention installs the drive assembly at the front and rear ends of the photovoltaic panel. The second plug-in assembly of the quick-installation device is connected to the moving frame. The second plug-in assembly drives the first plug-in assembly to assemble. The first plug-in assembly facilitates the connection between the moving frame and the output end of the drive assembly. The second plug-in assembly drives the side support plate to move, and the side support plate drives the side limiting wheel to be connected to the photovoltaic panel for positioning. This facilitates the installation of the side limiting wheel on the outside of the photovoltaic panel. The locking assembly locks the first plug-in assembly, and the locked first plug-in assembly locks the second plug-in assembly, ensuring the stability of the first and second plug-in assemblies after installation. The drive assembly drives the first plug-in assembly of the quick-installation device to move, and the first plug-in assembly drives the second plug-in assembly to move, which in turn drives the moving frame. The side limiting wheel provides front and rear positioning. The moving frame connection structure can be disassembled or installed without disassembling the drive assembly, which is beneficial for practical use. The pressure roller provides moving support, and the roller brush assembly performs dust removal, which is beneficial for quick assembly onto the photovoltaic panel for dust removal. This is also beneficial for practical use. At the same time, when the moving frame moves, the detachable dust scraping assembly is always with the top of the photovoltaic panel, ensuring the dust scraping effect of the detachable dust scraping assembly. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This utility model provides a three-dimensional main structure for a photovoltaic cleaning robot that is easy to disassemble. Figure 1 ;

[0026] Figure 2 This is a front view of the structure of a photovoltaic cleaning robot that is easy to disassemble according to this utility model;

[0027] Figure 3 This utility model provides a three-dimensional structure for an easily disassembled photovoltaic cleaning robot. Figure 2 ;

[0028] Figure 4 This is a schematic diagram of the mobile frame and its connecting structure;

[0029] Figure 5 This is a schematic diagram of a detachable scraper assembly and its connection structure.

[0030] The labels in the diagram represent:

[0031] 1. detachable dust scraping assembly 11. box 12. transverse groove 13. straight groove 14. scraper 15. straight plate 16. first T-shaped plate 17. second T-shaped plate 18. spring 2. roller brush assembly 3. moving frame 4. pressure roller 5. drive assembly 6. photovoltaic panel 7. side limiting wheel 8. quick mounting device 81. rotating plate 82. horizontal shaft 83. torsional spring 84. n-shaped plate 85. limiting plug-in plate 86. connecting block 87. U-shaped plate 88. plug-in groove 89. protrusion 810. limiting plug-in groove 9. side support plate. DETAILED DESCRIPTION

[0032] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0033] The present application will be further described below with reference to the embodiments.

[0034] Embodiment 1

[0035] Please refer to the drawings in the description Figures 1-5 A photovoltaic cleaning robot convenient to disassemble, comprising a drive assembly 5;

[0036] The drive assembly 5 is fixedly installed at the front and rear ends of the photovoltaic panel 6;

[0037] The drive end of the drive assembly 5 is connected with a quick mounting device 8;

[0038] The quick mounting device 8 comprises a first plug-in assembly, a second plug-in assembly and a locking assembly, the first plug-in assembly is fixedly connected with the output end of the drive assembly 5, the first plug-in assembly is connected with the second plug-in assembly, and the first plug-in assembly and the second plug-in assembly are both connected with the locking assembly;

[0039] The second plug-in assembly has a side support plate 9, the first plug-in assembly is connected with the moving frame 3, the side support plate 9 has a side limiting wheel 7 fixedly connected at the inner end, and the rotating groove of the side limiting wheel 7 is limitingly and rotatably connected with the front and rear ends of the photovoltaic panel 6;

[0040] The moving frame 3 has a pressure roller 4 rotatably connected at the left and right ends, and the pressure roller 4 is in contact with the top of the photovoltaic panel 6;

[0041] The moving frame 3 is installed with a roller brush assembly 2 in contact with the outer surface of the photovoltaic panel 6;

[0042] The left and right ends of the moving frame 3 are connected with the detachable dust scraping assembly 1 which is always in contact with the top of the photovoltaic panel 6;

[0043] The driving assembly 5 is installed at the front and rear ends of the photovoltaic panel 6, the second plug-in assembly of the quick mounting device 8 is connected with the moving frame 3, the second plug-in assembly drives the first plug-in assembly to combine, the first plug-in assembly facilitates the connection between the moving frame 3 and the output end of the driving assembly 5, the second plug-in assembly drives the side support plate 9 to move, the side support plate 9 drives the side limiting wheel 7 to limit connection with the photovoltaic panel 6, which facilitates the installation of the side limiting wheel 7 outside the photovoltaic panel 6, the locking assembly locks the first plug-in assembly, the locked first plug-in assembly locks the second plug-in assembly, which ensures the stability of the first plug-in assembly and the second plug-in assembly after installation, the driving assembly 5 drives the first plug-in assembly of the quick mounting device 8 to move, the first plug-in assembly drives the second plug-in assembly to move and drives the moving frame 3 to move, the side limiting wheel 7 is limited in front and back, and the driving assembly 5 does not need to be disassembled and assembled when the moving frame 3 connection structure is disassembled or assembled, which is convenient for actual use, the compression wheel 4 moves to support, and the roller brush assembly 2 rolls to brush dust, which is convenient for quick assembly to the photovoltaic panel 6 for dust removal and actual use. At the same time, the detachable dust scraping assembly 1 is always in contact with the top of the photovoltaic panel 6 when the moving frame 3 moves, which ensures the dust scraping effect of the detachable dust scraping assembly 1;

[0044] The driving assembly 5 is selected from a synchronous belt driving assembly, a belt driving assembly or a steel rope driving assembly;

[0045] The first plug-in assembly comprises an n-shaped plate 84, a connecting block 86 and a U-shaped plate 87, the n-shaped plate 84 is fixedly installed at the front and rear ends of the moving frame 3, the U-shaped plate 87 is located at the lower end of the n-shaped plate 84, and the n-shaped plate 84 and the U-shaped plate 87 are oppositely arranged with openings, the connecting block 86 is inserted into the n-shaped plate 84 and the U-shaped plate 87, and the connecting block 86 is fixedly connected with the output end of the driving assembly 5, the U-shaped plate 87 is connected with the locking assembly, and the second plug-in assembly is fixedly connected with the U-shaped plate 87;

[0046] The second plug-in assembly comprises a limiting plug plate 85, the limiting plug plate 85 is fixedly installed at the inner end of the U-shaped plate 87, the lower end of the moving frame 3 is provided with a limiting slot 810, and the limiting slot 810 is inserted with the limiting plug plate 85, and the side support plate 9 is symmetrically installed on the inner wall of the limiting plug plate 85;

[0047] The locking assembly comprises a rotating plate 81, a horizontal shaft 82, a torsional spring 83 and a protruding block 89, the horizontal shaft 82 is fixedly installed on the front and rear side walls of the moving frame 3, the horizontal shaft 82 is located above the n-shaped plate 84, the horizontal shaft 82 is rotatably connected with the rotating plate 81 at the outer end, the outer wall of the horizontal shaft 82 is fixedly connected with the inner end of the torsional spring 83, the outer end of the torsional spring 83 is fixedly connected with the side wall of the moving frame 3, the protruding block 89 is fixedly installed on the outer wall of the U-shaped plate 87, the end of the protruding block 89 close to the U-shaped plate 87 is provided with a protruding block 89, and the inner wall of the protruding block 89 is inserted with the outer side of the rotating plate 81;

[0048] The torsion spring 83 is always in compression;

[0049] The rotating plate 81 of the locking assembly of the quick mounting device 8 rotates upward, the limiting insertion plate 85 of the second insertion assembly is well inserted with the limiting insertion slot 810, the limiting insertion plate 85 drives the side supporting plate 9 to move, the side supporting plate 9 drives the side limiting wheel 7 to be limitedly connected with the photovoltaic panel 6, which facilitates the installation of the side limiting wheel 7 on the outer side of the photovoltaic panel 6, the limiting insertion plate 85 drives the U-shaped plate 87 of the first insertion assembly to move to below the n-shaped plate 84, then the connecting block 86 is inserted in the n-shaped plate 84 and the U-shaped plate 87, the n-shaped plate 84 and the U-shaped plate 87 of the first insertion assembly limit the connecting block 86, the connecting block 86 drives the output end of the quick mounting device 8 to limit the relative position of the moving frame 3, which facilitates the connection of the moving frame 3 and the output end of the driving assembly 5, the rotating plate 81 of the locking assembly is loosened, the restoring force of the torsion spring 83 drives the rotating plate 81 to be inserted in the slot 88 formed in the protrusion 89, since the torsion spring 83 is always in compression, the rotating plate 81 is always inserted in the slot 88, the rotating plate 81 limits the connecting block 86 of the first insertion assembly in the n-shaped plate 84 and the U-shaped plate 87, the rotating plate 81 is blocked outside the connecting block 86, which avoids the falling of the connecting block 86 from the n-shaped plate 84 and the U-shaped plate 87, and realizes the locking of the first insertion assembly, after the locking of the U-shaped plate 87 of the insertion assembly, the U-shaped plate 87 locks the limiting insertion plate 85 of the second insertion assembly, which guarantees the stability of the first insertion assembly and the second insertion assembly after installation, and guarantees that the driving assembly 5 can stably drive the moving frame 3 to move, at the same time, it is convenient for the installation of the side limiting wheel 7 on the end of the photovoltaic panel 6, and guarantees the stability of the side limiting wheel 7 after installation;

[0050] The detachable dust scraping assembly 1 comprises a dust scraping assembly, a guide assembly and an elastic pressure connecting assembly, the guide assembly is installed on the side wall of the moving frame 3, the dust scraping assembly and the elastic pressure connecting assembly are limitedly and slidably connected in the guide assembly, the bottom of the elastic pressure connecting assembly is in contact with the top of the dust scraping assembly, and the dust scraping assembly is in contact with the top of the photovoltaic panel 6;

[0051] The guide assembly comprises a box body 11, a horizontal slot 12 is formed in the front side wall of the box body 11, a vertical straight slot 13 is formed in the rear end of the horizontal slot 12, the top of the straight slot 13 is higher than the top of the horizontal slot 12, the bottom of the straight slot 13 is lower than the bottom of the horizontal slot 12, and the horizontal slot 12 is limitedly and slidably connected with the dust scraping assembly and the elastic pressure connecting assembly;

[0052] The dust scraping assembly comprises a scraper 14, a straight plate 15 and a first T-shaped plate 16, the bottom of the straight plate 15 is fixedly connected with the scraper 14, the bottom of the scraper 14 is slidably connected with the top of the photovoltaic panel 6, the top of the straight plate 15 is fixedly connected with the outer end of the thinner part of the first T-shaped plate 16, the wider part of the first T-shaped plate 16 is slidably connected with the inner wall of the box body 11, the thinner part of the first T-shaped plate 16 is slidably connected with the inner wall of the straight slot 13, and the top of the first T-shaped plate 16 is in contact with the bottom of the elastic pressure connecting assembly;

[0053] The horizontal groove 12 has a height greater than the thickness of the first T-shaped plate 16;

[0054] The elastic pressing assembly comprises a second T-shaped plate 17 and springs 18, the wider part of the second T-shaped plate 17 is slidably connected with the inner wall of the box 11, the thinner part of the second T-shaped plate 17 is slidably connected with the inner wall of the straight groove 13, the upper and lower ends of the multiple groups of equally spaced springs 18 are fixedly connected with the top of the box 11 and the top of the second T-shaped plate 17 respectively, and the bottom of the second T-shaped plate 17 is in contact with the top of the first T-shaped plate 16;

[0055] The second T-shaped plate 17 of the elastic pressing assembly of the detachable dust scraping assembly 1 is pushed upward to move to the top of the horizontal groove 12, then the first T-shaped plate 16 of the dust scraping assembly is moved upward, then the first T-shaped plate 16 of the dust scraping assembly is taken out from the horizontal groove 12, then the first T-shaped plate 16 of the new dust scraping assembly is put into the straight groove 13 from the horizontal groove 12, then the second T-shaped plate 17 is loosened, the second T-shaped plate 17 is moved downward under the driving of the springs 18, the second T-shaped plate 17 pushes the first T-shaped plate 16 to move upward along the straight groove 13, so that the detachable dust scraping assembly 1 is convenient to disassemble and install, and the dust scraping assembly is convenient to replace;

[0056] After the scraping plate 14 is worn after long-time use, the restoring force of the springs 18 pushes the scraping plate 14 to always be in contact with the top of the photovoltaic panel 6, so that the dust scraping performance of the scraping plate 14 is ensured.

[0057] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A photovoltaic cleaning robot convenient to disassemble, comprising a driving assembly (5), characterized in that: the driving assembly (5) is fixedly installed at the front and rear ends of a photovoltaic panel (6); a quick mounting device (8) is connected to the driving end of the driving assembly (5); the quick mounting device (8) comprises a first plug-in assembly, a second plug-in assembly and a locking assembly, the first plug-in assembly is fixedly connected to the output end of the driving assembly (5), the first plug-in assembly is connected to the second plug-in assembly, and the first plug-in assembly and the second plug-in assembly are both connected to the locking assembly; the second plug-in assembly has a side support plate (9), the first plug-in assembly is connected to a moving frame (3), the side support plate (9) has a side limiting wheel (7) fixedly connected to the inner end thereof, and the rotating groove of the side limiting wheel (7) is limitingly and rotatably connected to the front and rear end of the photovoltaic panel (6); the moving frame (3) has a pressure roller (4) rotatably connected to the left and right ends thereof, and the pressure roller (4) is in contact with the top of the photovoltaic panel (6); the moving frame (3) is internally provided with a roller brush assembly (2) in contact with the outer surface of the photovoltaic panel (6); and the moving frame (3) has a dismountable dust scraping assembly (1) connected to the left and right ends thereof and always in contact with the top of the photovoltaic panel (6). The first plug-in assembly comprises an n-shaped plate (84), a connecting block (86) and a U-shaped plate (87), the n-shaped plate (84) is fixedly installed at the front and rear ends of the moving frame (3), the U-shaped plate (87) is located at the lower end of the n-shaped plate, the n-shaped plate and the U-shaped plate (87) are oppositely arranged with their openings, the n-shaped plate (84) and the U-shaped plate (87) have the connecting block (86) inserted thereinto, the connecting block (86) is fixedly connected to the output end of the driving assembly (5), the U-shaped plate (87) is connected to the locking assembly, and the second plug-in assembly is fixedly connected to the U-shaped plate (87). The second plug-in assembly comprises a limiting plug-in plate (85), the limiting plug-in plate (85) is fixedly installed at the inner end of the U-shaped plate (87), the moving frame (3) has a limiting insertion slot (810) formed at the lower end thereof, the limiting insertion slot (810) is inserted into the limiting plug-in plate (85), and the side support plate (9) is symmetrically installed on the inner wall of the limiting plug-in plate (85). The locking assembly comprises a rotating plate (81), a horizontal shaft (82), a torsional spring (83) and a protruding block (89), the horizontal shaft (82) is fixedly installed on the front and rear side walls of the moving frame (3), the horizontal shaft (82) is located above the n-shaped plate (84), the horizontal shaft (82) has the rotating plate (81) rotatably connected to the outer end thereof, the outer wall of the horizontal shaft (82) is fixedly connected to the inner end of the torsional spring (83), the outer end of the torsional spring (83) is fixedly connected to the side wall of the moving frame (3), the protruding block (89) is fixedly installed on the outer wall of the U-shaped plate (87), the protruding block (89) has a protruding block (89) formed at the end thereof close to the U-shaped plate (87), and the inner wall of the protruding block (89) is inserted into the outer side of the rotating plate (81). The torsional spring (83) is always in a compressed state. The dismountable dust scraping assembly (1) comprises a dust scraping assembly, a guiding assembly and an elastic pressure connecting assembly, the guiding assembly is installed on the side wall of the moving frame (3), the dust scraping assembly and the elastic pressure connecting assembly are limitingly and slidably connected in the guiding assembly, the bottom of the elastic pressure connecting assembly is in contact with the top of the dust scraping assembly, and the dust scraping assembly is in contact with the top of the photovoltaic panel (6). ​ ​ 2. The easily detachable photovoltaic cleaning robot of claim 1, wherein, ​ 3. The easily detachable photovoltaic cleaning robot of claim 2, wherein, ​ 4. The easily detachable photovoltaic cleaning robot of claim 3, wherein, ​ 5. The easily detachable photovoltaic cleaning robot of claim 3, wherein, ​ 6. The easily detachable photovoltaic cleaning robot according to any one of claims 1-5, wherein, ​ 7. The easily detachable photovoltaic cleaning robot of claim 6, wherein, The guiding assembly comprises a box (11), a horizontal groove (12) is formed in the front side wall of the box (11), a vertical straight groove (13) is formed in the rear end of the horizontal groove (12), the top of the straight groove (13) is higher than the top of the horizontal groove (12), the bottom of the straight groove (13) is lower than the bottom of the horizontal groove (12), and the horizontal groove (12) is limitingly and slidably connected with the dust scraping assembly and the elastic pressing assembly.

8. The easily detachable photovoltaic cleaning robot of claim 7, wherein, The dust scraping assembly comprises a scraper (14), a straight plate (15) and a first T-shaped plate (16), the bottom of the straight plate (15) is fixedly connected with the scraper (14), the bottom of the scraper (14) is slidably connected with the top of the photovoltaic panel (6), the top of the straight plate (15) is fixedly connected with the outer end of the thinner part of the first T-shaped plate (16), the wider part of the first T-shaped plate (16) is slidably connected with the inner wall of the box (11), the thinner part of the first T-shaped plate (16) is slidably connected with the inner wall of the straight groove (13), and the top of the first T-shaped plate (16) is in contact with the bottom of the elastic pressing assembly.

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