Cleaning device for cleaning the surface of a photovoltaic panel

Abstract

The present application belongs to the technical field of photovoltaic panel cleaning, and particularly relates to a cleaning device for cleaning the surface of a photovoltaic panel, comprising a support plate, a frame, a cleaning piece, a spraying mechanism, a walking mechanism and a scraping piece, the support plate is arranged at the lower middle part of the frame, a driving piece is arranged on the top of the support plate, the scraping piece and the cleaning piece are symmetrically arranged on the two sides of the frame, the cleaning piece is connected with the driving piece, the walking mechanism is arranged below the frame, and the spraying mechanism is arranged at the bottom of the support plate. The arrangement of the walking mechanism facilitates the movement of the device along the photovoltaic panel, the arrangement of the cleaning piece can scrape off the dust or impurities on the surface of the photovoltaic panel, the arrangement of the spraying mechanism can spray cleaning water on the surface of the photovoltaic panel, so as to soften the bodies and excrement of flying insects on the surface of the photovoltaic panel, which are scraped off under the action of the scraping piece, thereby greatly improving the cleaning efficiency and cleaning quality of the photovoltaic panel.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of photovoltaic panel cleaning, and particularly relates to a cleaning device for cleaning the surface of a photovoltaic panel. BACKGROUND

[0002] New energy power generation is a process of realizing power generation by using renewable energy, and has the characteristics of high power generation efficiency, low power generation cost and no pollution. The existing photovoltaic panel self-cleaning device is mostly for wind power generation and solar power generation. Solar power generation mostly converts solar energy into electric energy by using a photovoltaic panel. In order to better absorb solar energy, the photovoltaic panel is usually arranged outdoors. The outdoor environment is relatively harsh, and dust, dead insects, excrement and other stains are often attached to the photovoltaic panel, hindering the absorption of solar energy by the photovoltaic panel. The labor cost of manual cleaning of the photovoltaic panel is high, and the economic benefit of the photovoltaic panel power generation is reduced. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the prior art, and to provide a cleaning device for cleaning the surface of a photovoltaic panel. The arrangement of the walking mechanism facilitates the movement of the device along the photovoltaic panel. The arrangement of the cleaning member can scrape off the dust or impurities on the surface of the photovoltaic panel. The arrangement of the spraying mechanism can spray cleaning water to the surface of the photovoltaic panel, thereby softening the dead insects and excrement on the surface of the photovoltaic panel, which are scraped off under the action of the scraping member, greatly improving the cleaning efficiency and cleaning quality of the photovoltaic panel.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:

[0005] The cleaning device for cleaning the surface of a photovoltaic panel comprises a support plate, a frame, a cleaning member, a spraying mechanism, a walking mechanism and a scraping member. The support plate is arranged at the lower middle part of the frame and connected with the frame. A driving member is installed on the support plate. The driving member is arranged at the top of the support plate. The scraping member and the cleaning member are symmetrically arranged on both sides of the frame, and the cleaning member is connected with the driving member.

[0006] The cleaning member comprises a cleaning plate, cleaning hair, a support rod and a rotating arm. The rotating arm and the support rod are symmetrically arranged on both sides of the center line of the support plate. The support rod is arranged on one side of the support plate and connected with the support plate. One end of the rotating arm is rotatably installed on the driving member. A fixed block is fixedly installed on the support rod. A slot is formed in the middle part of the rotating arm. A first sliding block and a second sliding block are arranged in the slot. The first sliding block and the second sliding block are slidably arranged in the slot. The first sliding block is rotatably installed on the fixed block. A support block is fixedly installed on the top of the cleaning plate. The second sliding block is rotatably installed on the support block. The cleaning hair is arranged in a plurality of pieces, and the plurality of pieces of cleaning hair are uniformly distributed on the bottom of the cleaning plate.

[0007] The walking mechanism is arranged below the frame and connected with the frame, and the spraying mechanism is arranged at the bottom of the supporting plate and connected with the supporting plate.

[0008] Preferably, a fixing groove is formed in one side wall of the cleaning plate, a fixing rod and a first spring are fixedly installed in the fixing groove, two ends of the fixing rod are fixedly installed on two side walls of the fixing groove, an end of the supporting rod is arranged in the fixing groove, the supporting rod is in sliding fit with the fixing rod, and the first spring is symmetrically arranged on two sides of a center line of the fixing groove and located between the supporting rod and the side wall of the fixing groove.

[0009] Preferably, a guide rod is further arranged in the strip-shaped hole, two ends of the guide rod are fixedly installed on two side walls of the strip-shaped hole, the first sliding block and the second sliding block are in sliding connection with the guide rod, and the guide rod is arranged to guide the first sliding block and the second sliding block and support the first sliding block and the second sliding block.

[0010] Preferably, the frame comprises a first vertical rod, a second vertical rod, a horizontal rod, a vertical rod and a supporting column, the supporting column is symmetrically arranged on two sides of a center line of the supporting plate and fixedly installed on the supporting plate at a middle portion of the supporting column, the vertical rod is provided with four vertical rods, the four vertical rods are fixedly installed at two ends of the supporting column on two sides of the center line of the supporting plate, the first vertical rod and the second vertical rod are symmetrically arranged on two sides of the center line of the supporting plate and fixedly installed at two ends of the vertical rod of the supporting column, and the horizontal rod is symmetrically arranged at two ends of the first vertical rod and the second vertical rod and fixedly installed at two ends of the first vertical rod and the second vertical rod.

[0011] Preferably, the driving member comprises a mounting base, a driving motor, a rotating shaft, a worm gear, a worm, a rotating rod, a push-pull rod and a sliding sleeve, one end of the rotating arm is rotatably installed on the side wall of the sliding sleeve, the mounting base is fixedly installed on the middle part of the support plate, the rotating shaft is rotatably installed on the fixing base, the worm gear is fixedly installed on the rotating shaft, the rotating rod is arranged on one side of the fixing base, one end of the rotating rod is fixedly installed on the rotating shaft, the two ends of the push-pull rod are rotatably connected with the sliding sleeve and the other end of the rotating rod, the worm is arranged below the worm gear and engaged with the worm gear, the driving motor is fixedly installed on the mounting base, and the worm is fixedly installed on the output shaft of the driving motor. The driving member is used for driving the cleaning plate to move, the cleaning plate moves to drive the cleaning hair to move, so that the dust on the solar panel is cleaned, the cleaning efficiency and the cleaning quality of the photovoltaic panel are improved, the driving motor drives the worm to rotate, the worm is engaged with the worm gear, the worm drives the worm gear to rotate, the worm gear drives the rotating shaft to rotate, the rotating shaft drives the rotating rod to rotate, one end of the rotating rod is moved to drive the push-pull rod to move, one end of the push-pull rod is moved to drive the sliding sleeve to reciprocate along the first vertical rod, the sliding sleeve reciprocating along the first vertical rod can drive one end of the rotating arm to reciprocate, and the reciprocating of one end of the rotating arm drives the cleaning plate to reciprocate along the support rod, so that the normal work of the cleaning member is ensured.

[0012] Preferably, the spraying mechanism comprises a spraying pipe, a connecting pipe and a plurality of spray heads uniformly distributed on the bottom of the spraying pipe, the spraying pipe is installed on the bottom of the support plate, one end of the connecting pipe is connected with the spraying pipe, the other end of the connecting pipe is connected with a water source outside, and the spraying mechanism is used for spraying cleaning water on the photovoltaic panel to soften the dead insects or excrement adhered on the panel, so that the photovoltaic panel is cleaned.

[0013] Preferably, the walking mechanism comprises a bottom plate symmetrically arranged at the two ends of the center lines of the first vertical rod and the second vertical rod, a first moving wheel, a walking member and an adjusting member, the bottom plate is arranged below the vertical rod and fixedly connected with the vertical rod, the first moving wheel is arranged on the bottom of the bottom plate, close to the middle part of one side of the support plate, the walking member is arranged on the bottom of the bottom plate, and the adjusting member is installed on the support plate and connected with the walking members on the bottom plates at the two ends of the center lines of the first vertical rod through the two ends of the adjusting member. The walking mechanism can drive the device to move along the photovoltaic panel, ensure the normal work of the device, and improve the cleaning efficiency and the cleaning quality of the device on the photovoltaic panel.

[0014] Preferably, the walking piece comprises a mounting frame, a connecting shaft, a fixing shaft, a second moving wheel, a motor, a first belt pulley, a second belt pulley and a first belt, the mounting frame comprises a first mounting rod and a second mounting rod, the ends of the first mounting rod and the second mounting rod are connected, and the included angle between the first mounting rod and the second mounting rod is obtuse, the fixing shaft is fixedly installed on the bottom plate, and the connecting portion of the first mounting rod and the second mounting rod is rotatably installed on the fixing shaft, the connecting shaft is fixedly installed on the other end of the first mounting rod and the second mounting rod, the second moving wheel is fixedly installed on the connecting shaft on the other end of the first mounting rod and the second mounting rod respectively, the motor is arranged at the connecting portion of the first mounting rod and the second mounting rod, and the motor is connected with the first mounting rod and the second mounting rod, the first belt pulley is fixedly installed on the output shaft of the motor, the second belt pulley is fixedly installed on the connecting shaft, the first belt pulley and the second belt pulley are connected through the first belt, the two ends of the adjusting piece are rotatably installed on the connecting shaft on the first mounting rod on the bottom plate at the two ends of the first vertical rod, the second moving wheel is in contact with the side wall of the photovoltaic panel to be cleaned, and the device can move along the photovoltaic panel, thereby improving the cleaning efficiency and cleaning quality of the device, and the arrangement of the first mounting rod and the second mounting rod ensures that the device can walk between two inclined photovoltaic panels, thereby improving the working efficiency of the device.

[0015] Preferably, the adjusting piece comprises a pulling rod, a rack, a cylinder, a gear, a rotating shaft and a rotating arm, the gear is fixedly installed on the rotating shaft, the rotating shaft is rotatably installed on the bottom of the supporting plate, the middle part of the rotating arm is fixedly installed on the rotating shaft, the rack is arranged on one side of the gear and is engaged with the gear, the cylinder is arranged on one side of the rack, and the piston rod of the cylinder is fixedly installed on the side wall of the rack, the pulling rods are symmetrically arranged at the two ends of the rotating arm, and the two ends of the pulling rod are rotatably installed on the connecting shafts on the rotating arm and the first mounting rod, and the arrangement of the adjusting piece can adjust the rotation of the first mounting rod and the second mounting rod, so that the walking mechanism can move between the misaligned photovoltaic panels, thereby greatly improving the moving efficiency of the device.

[0016] Preferably, the scraping piece comprises a scraping plate, a mounting plate, a pressing rod, a second spring, a blocking block and a ball, connecting rods are fixedly installed on both sides of the center line of the scraping plate, rotating sleeves are fixedly installed on the connecting rods, the rotating sleeves are rotatably installed on the supporting columns, the mounting plate is fixedly installed on one side of the supporting plate, the pressing rod is slidably installed on the supporting plate, the ball is fixedly installed at the bottom of the pressing rod, the ball cooperates with the scraping plate, the blocking block is fixedly installed at the top of the pressing rod, the second spring is sleeved on the pressing rod and located between the ball and the mounting plate, the second spring is arranged to provide power for the downward movement of the pressing rod and the ball, so that the ball is always in contact with the scraping plate, the purpose of pressing the scraping plate downward is achieved, and the side of the scraping plate is always in contact with the ground, so that the cleaning water on the photovoltaic panel is scraped clean, the cleaning water on the photovoltaic panel is prevented from contacting dust or impurities in the air, the softened dead insects and excrement can also be scraped away by the scraping plate, and the cleaning efficiency of the photovoltaic panel is improved.

[0017] Preferably, the scraping piece comprises a scraping plate, a mounting plate, a pressing rod, a second spring, a blocking block and a ball, connecting rods are fixedly installed on both sides of the center line of the scraping plate, rotating sleeves are fixedly installed on the connecting rods, the rotating sleeves are rotatably installed on the supporting columns, the mounting plate is fixedly installed on one side of the supporting plate, the pressing rod is slidably installed on the supporting plate, the ball is fixedly installed at the bottom of the pressing rod, the ball cooperates with the scraping plate, the blocking block is fixedly installed at the top of the pressing rod, the second spring is sleeved on the pressing rod and located between the ball and the mounting plate, the second spring is arranged to provide power for the downward movement of the pressing rod and the ball, so that the ball is always in contact with the scraping plate, the purpose of pressing the scraping plate downward is achieved, and the side of the scraping plate is always in contact with the ground, so that the cleaning water on the photovoltaic panel is scraped clean, the cleaning water on the photovoltaic panel is prevented from contacting dust or impurities in the air, the softened dead insects and excrement can also be scraped away by the scraping plate, and the cleaning efficiency of the photovoltaic panel is improved.

[0018] The present application has the following advantages:

[0019] 1)The setting of the walking mechanism of the device facilitates the movement of the device along the photovoltaic panel, the setting of the cleaning piece can scrape off the dust or impurities on the surface of the photovoltaic panel, the setting of the spraying mechanism can spray cleaning water on the surface of the photovoltaic panel, so as to soften the fly carcass and excrement on the surface of the photovoltaic panel, which are scraped off under the action of the scraping piece, thereby greatly improving the cleaning efficiency and cleaning quality of the photovoltaic panel.

[0020] 2)The fixing groove, support rod and fixing rod of the device play a guiding role, preventing the cleaning plate from shaking during cleaning of the light panel, thereby greatly ensuring the cleaning quality and efficiency of the cleaning plate on the photovoltaic panel.

[0021] 3)The setting of the guide rod of the device can guide the first and second sliding blocks, and also support the first and second sliding blocks.

[0022] 4)The setting of the first and second vertical rods of the device can strengthen the device, thereby ensuring the strength of the device, and the setting of the support column is used to support the vertical rod, the first vertical rod and the second vertical rod, thereby ensuring the normal work of the device.

[0023] 5)The driving piece is used to move the cleaning plate, the movement of the cleaning plate drives the cleaning hair to move, thereby cleaning the dust on the solar panel, improving the cleaning efficiency and quality of the photovoltaic panel, the driving motor drives the worm to rotate, the worm is engaged with the worm gear, the rotation of the worm drives the rotation of the worm gear, the rotation of the worm gear drives the rotation of the rotating shaft, the rotation of the rotating shaft drives the rotation of the rotating rod, the movement of one end of the push-pull rod drives the sliding sleeve to move back and forth along the first vertical rod, the movement of the sliding sleeve along the first vertical rod can drive one end of the rotating arm to move back and forth, the back-and-forth movement of one end of the rotating arm will drive the cleaning plate to move back and forth along the support rod, thereby ensuring the normal work of the cleaning piece.

[0024] 6)The spraying mechanism is used to spray cleaning water on the photovoltaic panel, so as to soften the fly carcass or excrement adhered to the light panel, thereby facilitating the cleaning of the photovoltaic panel.

[0025] 7)The walking mechanism can drive the device to move along the photovoltaic panel, thereby ensuring the normal work of the device and improving the cleaning efficiency and quality of the device on the photovoltaic panel; the second moving wheel is in contact with the side wall of the photovoltaic panel to be cleaned, and the device can move along the photovoltaic panel, thereby improving the cleaning efficiency and quality of the device, and the setting of the first and second installation rods ensures that the device can walk between two photovoltaic panels with inclination, thereby improving the working efficiency of the device.

[0026] 8) The adjustment mechanism of this device allows for the rotational adjustment of the first and second mounting rods, ensuring that the walking mechanism can move along the misaligned photovoltaic panels, which greatly improves the moving efficiency of the device.

[0027] 9) The second spring in this device is used to provide downward force for the pressing rod and the ball, ensuring that the ball is always in contact with the scraper, thereby pressing the scraper downward and ensuring that one side of the scraper is always in contact with the ground, thus scraping the cleaning water off the photovoltaic panel and preventing the cleaning water on the photovoltaic panel from coming into contact with dust or impurities in the air. The scraper can also scrape off softened flying insect corpses and feces, improving the cleaning efficiency of the photovoltaic panel.

[0028] 10) The cleaning belt of this device can move the dust on the photovoltaic panel to one side of the photovoltaic panel and remove it from one side, ensuring the cleaning efficiency and quality of the photovoltaic panel. The drive motor drives the first bevel gear to rotate, the first bevel gear meshes with the second bevel gear, the rotation of the first bevel gear drives the rotation of the second bevel gear, the rotation of the second bevel gear drives the shaft to rotate, the rotation of the shaft drives the third pulley to rotate, the rotation of the third pulley drives the second belt to rotate, the rotation of the second belt drives the fourth pulley to rotate, the rotation of the fourth pulley drives the rotating roller on which the fourth pulley is mounted to rotate, the rotation of the rotating roller drives the cleaning belt to rotate, and the rotation of the cleaning belt achieves the purpose of cleaning the impurities on the photovoltaic panel. Attached Figure Description

[0029] Appendix Figure 1 This is a schematic diagram of the structure of the present invention.

[0030] Appendix Figure 2 This is a schematic diagram of the frame structure in this invention.

[0031] Appendix Figure 3 This is a schematic diagram of the installation structure of the walking mechanism in this invention.

[0032] Appendix Figure 4 This is the present invention. Figure 3 Enlarged view of point A in the middle.

[0033] Appendix Figure 5 This is a schematic diagram of the installation structure of the adjusting component in this invention.

[0034] Appendix Figure 6 This is a schematic diagram of the installation structure of the spraying mechanism in this invention.

[0035] Appendix Figure 7 This is a schematic diagram of the cleaning component in this invention.

[0036] Appendix Figure 8 This is a bottom view of the cleaning component in this invention.

[0037] AppendixFigure 9 is a structural schematic view of the cleaning plate in the present application.

[0038] attached Figure 10 is a structural schematic view of the driving member in the present application.

[0039] attached Figure 11 is a structural schematic view of the shoveling member in the present application.

[0040] attached Figure 12 is a structural schematic view of the shoveling member in the present application Figure 11 .

[0041] attached Figure 13 is a structural schematic view of the shoveling member in the present application.

[0042] attached Figure 14 is a structural schematic view of the shoveling member in the present application Figure 13 .

[0043] in the figure:

[0044] 1, support plate;

[0045] 2, frame; 201, support column; 202, cross bar; 203, second vertical rod; 204, first vertical rod; 205, vertical rod;

[0046] 3, walking mechanism; 301, adjusting member; 302, first moving wheel; 303, walking member; 304, bottom plate;

[0047] 305, fixed shaft; 306, second mounting rod; 307, connecting shaft; 308, second moving wheel; 309, first belt; 3010, first pulley; 3011, motor; 3012, second pulley; 3013, first mounting rod;

[0048] 3014, pulling rod; 3015, rotating arm; 3016, gear; 3017, rotating shaft; 3018, rack; 3019, air cylinder;

[0049] 4, spraying mechanism; 401, spraying pipe; 402, connecting pipe; 403, spray head;

[0050] 5, cleaning member; 501, cleaning plate; 502, support block; 503, rotating arm; 504, support rod; 505, fixed block; 506, strip-shaped hole; 507, guide rod; 508, second sliding block; 509, first sliding block; 5010, cleaning hair; 5011, fixed groove; 5012, fixed rod; 5013, first spring;

[0051] 6, driving member; 601, driving motor; 602, mounting seat; 603, worm; 604, rotating shaft; 605, worm gear; 606, rotating rod; 607, sliding sleeve; 608, push-pull rod;

[0052] 7. Material feeding component; 701. First tilting rod; 702. Cleaning belt; 703. Rotating roller; 704. Fourth pulley; 705. Second belt; 706. Second tilting rod; 707. Protrusion; 708. Support base; 709. Second bevel gear; 7010. First bevel gear; 7011. Third pulley; 7012. Connecting shaft;

[0053] 8. Scraper component; 801. Scraper blade; 802. Connecting rod; 803. Mounting plate; 804. Sealing block; 805. Pressing rod; 806. Second spring; 807. Ball; 808. Rotating sleeve. Detailed Implementation

[0054] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0055] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0056] like Figure 1 As shown, a cleaning device for cleaning the surface of photovoltaic panels includes a support plate 1, a frame 2, a cleaning component 5, a spraying mechanism 4, a walking mechanism 3, and a scraper component 8. The support plate 1 is located in the lower middle part of the frame 2 and is connected to the frame 2. A driving component 6 is installed on the support plate 1 and is located on the top of the support plate 1. The scraper component 8 and the cleaning component 5 are symmetrically arranged on both sides of the frame 2, and the cleaning component 5 is connected to the driving component 6.

[0057] like Figure 7 , Figure 8As shown in the figure, the cleaning member 5 comprises a cleaning plate 501, cleaning hairs 5010, a support rod 504 and a rotating arm 503, the rotating arm 503 and the support rod 504 are symmetrically arranged on both sides of the center line of the support plate 1, the support rod 504 is arranged on one side of the support plate 1 and connected with the support plate 1, one end of the rotating arm 503 is rotatably installed on the driving member 6, a fixed block 505 is fixedly installed on the support rod 504, a strip-shaped hole 506 is formed in the middle of the rotating arm 503, a first sliding block 509 and a second sliding block 508 are arranged in the strip-shaped hole 506, the first sliding block 509 and the second sliding block 508 are both slidingly arranged in the strip-shaped hole 506, the first sliding block 509 is rotatably installed on the fixed block 505, a support block 502 is fixedly installed on the top of the cleaning plate 501, the second sliding block 508 is rotatably installed on the support block 502, and the cleaning hairs 5010 are arranged in plurality, and the plurality of cleaning hairs 5010 are uniformly distributed on the bottom of the cleaning plate 501.

[0058] As shown in the figure, Figure 1 The walking mechanism 3 is arranged below the frame 2 and connected with the frame 2, and the spraying mechanism 4 is arranged at the bottom of the support plate 1 and connected with the support plate 1.

[0059] As an optimization scheme of the present application, as shown in the figure, Figure 9 A fixed groove 5011 is formed in one side wall of the cleaning plate 501, a fixed rod 5012 and a first spring 5013 are fixedly installed in the fixed groove 5011, both ends of the fixed rod 5012 are fixedly installed on the two side walls of the fixed groove 5011, the end of the support rod 504 is arranged in the fixed groove 5011, the support rod 504 is slidingly matched with the fixed rod 5012, and the first spring 5013 is symmetrically arranged on both sides of the center line of the fixed groove 5011 and located between the support rod 504 and the side wall of the fixed groove 5011.

[0060] The fixed groove 5011, the support rod 504 and the fixed rod 5012 serve the purpose of guiding, preventing the cleaning plate 501 from shaking during cleaning of the photovoltaic panel, and greatly ensuring the cleaning quality and efficiency of the cleaning plate 501 on the photovoltaic panel.

[0061] As an optimization scheme of the present application, as shown in the figure, Figure 8 A guide rod 507 is further arranged in the strip-shaped hole 506, both ends of the guide rod 507 are fixedly installed on the two side walls of the strip-shaped hole 506, and the first sliding block 509 and the second sliding block 508 are slidingly connected with the guide rod 507.

[0062] The guide rod 507 is arranged to guide and support the first sliding block 509 and the second sliding block 508.

[0063] As an optimization of the present application, as shown in Figure 2 The frame 2 comprises a first vertical rod 204, a second vertical rod 203, a horizontal rod 202, four vertical rods 205, and support columns 201. The support columns 201 are symmetrically arranged on both sides of the center line of the support plate 1, and the middle portions of the support columns 201 are fixedly installed on the support plate 1. The four vertical rods 205 are fixedly installed at the ends of the support columns 201 on both sides of the center line of the support plate 1. The first vertical rod 204 and the second vertical rod 203 are symmetrically arranged on both sides of the center line of the support plate 1, and the ends of the first vertical rod 204 and the second vertical rod 203 are fixedly installed on the vertical rods 205 at the ends of the support columns 201. The horizontal rod 202 is symmetrically arranged at the ends of the first vertical rod 204 and the second vertical rod 203, and the ends of the horizontal rod 202 are fixedly installed on the first vertical rod 204 and the second vertical rod 203.

[0064] The first vertical rod 204 and the second vertical rod 203 are arranged to strengthen the device and ensure the strength of the device. The support columns 201 are arranged to support the vertical rods 205, the first vertical rod 204, and the second vertical rod 203, ensuring the normal operation of the device.

[0065] As an optimization of the present application, as shown in Figure 10 The driving member 6 comprises a mounting seat 602, a driving motor 601, a rotating shaft 604, a worm gear 605, a worm 603, a rotating rod 606, a push-pull rod 608, and a sliding sleeve 607. The sliding sleeve 607 is slidingly installed on the first vertical rod 204. One end of the rotating arm 503 is rotatably installed on the side wall of the sliding sleeve 607. The mounting seat 602 is fixedly installed on the middle portion of the support plate 1. The rotating shaft 604 is rotatably installed on the fixed seat. The worm gear 605 is fixedly installed on the rotating shaft 604. The rotating rod 606 is arranged on one side of the fixed seat, and one end of the rotating rod 606 is fixedly installed on the rotating shaft 604. The two ends of the push-pull rod 608 are rotatably connected with the sliding sleeve 607 and the other end of the rotating rod 606. The worm 603 is arranged below the worm gear 605 and is engaged with the worm gear 605. The driving motor 601 is fixedly installed on the mounting seat 602, and the worm 603 is fixedly installed on the output shaft of the driving motor 601.

[0066] The driving member 6 is used for driving the cleaning plate 501 to move, the cleaning plate 501 moves to drive the cleaning hair 5010 to move, thereby cleaning the dust on the solar panel, improving the cleaning efficiency and the cleaning quality of the photovoltaic panel, the driving motor 601 drives the worm 603 to rotate, the worm 603 is engaged with the worm gear 605, the worm 603 drives the worm gear 605 to rotate, the worm gear 605 drives the rotating shaft 604 to rotate, the rotating shaft 604 drives the rotating rod 606 to rotate, one end of the push-pull rod 608 is moved to drive the sliding sleeve 607 to move along the first vertical rod 204, the sliding sleeve 607 moves along the first vertical rod 204 to drive one end of the rotating arm 503 to move reciprocally, the reciprocating movement of one end of the rotating arm 503 drives the cleaning plate 501 to move reciprocally along the support rod 504, thereby ensuring the normal work of the cleaning member 5.

[0067] As an optimization scheme of the present application, as shown in Figure 6 The spraying mechanism 4 comprises a spraying pipe 401, a connecting pipe 402 and a plurality of spray heads 403 uniformly distributed at the bottom of the spraying pipe 401, the spraying pipe 401 is installed at the bottom of the support plate 1, one end of the connecting pipe 402 is connected with the spraying pipe 401, and the other end of the connecting pipe 402 is connected with a water source outside.

[0068] The spraying mechanism 4 is used for spraying cleaning water on the photovoltaic panel, for softening the dead bodies of flying insects or excrement adhered on the light panel, thereby facilitating the cleaning of the photovoltaic panel.

[0069] As an optimization scheme of the present application, as shown in Figure 3 The walking mechanism 3 comprises a bottom plate 304 symmetrically arranged at the center line of the first vertical rod 204 and the second vertical rod 203, a first moving wheel 302, a walking member 303 and an adjusting member 301, the bottom plate 304 is arranged below the vertical rod 205 and is fixedly connected with the vertical rod 205, the first moving wheel 302 is arranged at the bottom of the bottom plate 304 and is close to the middle of the side of the support plate 1, the walking member 303 is arranged at the bottom of the bottom plate 304, and the adjusting member 301 is installed on the support plate 1 and is connected with the walking member 303 on the bottom plate 304 at the two ends of the center line of the first vertical rod 204.

[0070] The walking mechanism 3 can drive the device to move along the photovoltaic panel, thereby ensuring the normal work of the device and improving the cleaning efficiency and the cleaning quality of the device on the photovoltaic panel.

[0071] As an optimization scheme of the present application, as shown in Figure 4As shown in the figure, the walking piece 303 comprises a mounting frame, a connecting shaft 307, a fixing shaft 305, a second moving wheel 308, a motor 3011, a first belt wheel 3010, a second belt wheel 3012 and a first belt 309, the mounting frame comprises a first mounting rod 3013 and a second mounting rod 306, the ends of the first mounting rod 3013 and the second mounting rod 306 are connected, and the included angle between the first mounting rod 3013 and the second mounting rod 306 is obtuse, the fixing shaft 305 is fixedly installed on the bottom plate 304, and the connecting part of the first mounting rod 3013 and the second mounting rod 306 is rotatably installed on the fixing shaft 305, the connecting shaft 307 is fixedly installed on the other end of the first mounting rod 3013 and the second mounting rod 306, the second moving wheel 308 is fixedly installed on the connecting shaft 307 on the other end of the first mounting rod 3013 and the second mounting rod 306 respectively, the motor 3011 is arranged at the connecting part of the first mounting rod 3013 and the second mounting rod 306, and the motor 3011 is connected with the first mounting rod 3013 and the second mounting rod 306, the first belt wheel 3010 is fixedly installed on the output shaft of the motor 3011, the second belt wheel 3012 is fixedly installed on the connecting shaft 307, and the first belt wheel 3010 and the second belt wheel 3012 are connected through the first belt 309, and the two ends of the adjusting piece 301 are rotatably installed on the connecting shaft 307 on the first mounting rod 3013 on the bottom plate 304 on the center line of the first vertical rod 204.

[0072] The second moving wheel 308 is in contact with the side wall of the photovoltaic panel to be cleaned, and the device can move along the photovoltaic panel, so that the cleaning efficiency and the cleaning quality of the device are improved, and the setting of the first mounting rod 3013 and the second mounting rod 306 ensures that the device can walk between two photovoltaic panels with inclination, so that the working efficiency of the device is improved.

[0073] As an optimization scheme of the present application, as shown in the figure, Figure 5 As shown in the figure, the adjusting piece 301 comprises a pulling rod 3014, a rack 3018, a cylinder 3019, a gear 3016, a rotating shaft 3017 and a rotating arm 3015, the gear 3016 is fixedly installed on the rotating shaft 3017, the rotating shaft 3017 is rotatably installed on the bottom of the support plate 1, the middle part of the rotating arm 3015 is fixedly installed on the rotating shaft 3017, the rack 3018 is arranged on one side of the gear 3016, and the rack 3018 is engaged with the gear 3016, the cylinder 3019 is arranged on one side of the rack 3018, and the piston rod of the cylinder 3019 is fixedly installed on the side wall of the rack 3018, and the pulling rod 3014 is symmetrically arranged on the two ends of the rotating arm 3015, and the two ends of the pulling rod 3014 are rotatably installed on the connecting shaft 307 on the rotating arm 3015 and the first mounting rod 3013 respectively.

[0074] The adjusting piece 301 is arranged to rotate the first mounting rod 3013 and the second mounting rod 306, so that the walking mechanism 3 can move between the staggered photovoltaic panels, and the moving efficiency of the device is greatly improved.

[0075] As an optimization of the present application, as shown in Figure 13 、 Figure 14 The scraping piece 8 comprises a scraping plate 801, a mounting plate 803, a pressing rod 805, a second spring 806, a blocking block 804 and a ball 807. The connecting rods 802 are fixedly installed on both sides of the center line of the scraping plate 801, and the rotating sleeves 808 are fixedly installed on the connecting rods 802. The rotating sleeves 808 are rotatably installed on the supporting columns 201. The mounting plate 803 is fixedly installed on one side of the supporting plate 1. The pressing rod 805 is slidably installed on the supporting plate 1. The ball 807 is fixedly installed at the bottom of the pressing rod 805. The ball 807 cooperates with the scraping plate 801. The blocking block 804 is fixedly installed at the top of the pressing rod 805. The second spring 806 is sleeved on the pressing rod 805, and the second spring 806 is located between the ball 807 and the mounting plate 803.

[0076] The second spring 806 is arranged to provide power for the downward movement of the pressing rod 805 and the ball 807, so that the ball 807 is always in contact with the scraping plate 801, thereby achieving the purpose of pressing the scraping plate 801 downward, and ensuring that one side of the scraping plate 801 is always in contact with the ground, so that the cleaning water on the photovoltaic panel is scraped clean, preventing the cleaning water on the photovoltaic panel from contacting the dust or impurities in the air, and the scraping plate 801 can also scrape off the softened dead insects and excrement, thereby improving the cleaning efficiency of the photovoltaic panel.

[0077] As an optimization of the present application, as shown in Figure 11 、 Figure 12As shown, the cleaning device further comprises a material stirring member 7, which comprises a cleaning belt 702, a second belt 705, a first inclined rod 701, a second inclined rod 706, a connecting shaft 7012, a first bevel gear 7010, a second bevel gear 709, a third belt wheel 7011, a support seat 708, a fourth belt wheel 704 and a rotating roller 703. The first inclined rod 701 and the second inclined rod 706 are symmetrically arranged at two ends of the support plate 1 and symmetrically arranged on both sides of the center line of the support rod 504. The rotating roller 703 is symmetrically arranged at two ends of the support plate 1 and rotatably connected with the first inclined rod 701 or the second inclined rod 706 at two ends thereof. The rotating roller 703 mounted on the first inclined rod 701 is connected with the rotating roller 703 mounted on the second inclined rod 706 through the cleaning belt 702. A plurality of protrusions 707 are uniformly arranged on the cleaning belt 702. The first bevel gear 7010 is fixedly mounted on the output shaft of the motor and located on one side of the worm 603. The support seat 708 is fixedly mounted on the other side of the mounting seat 602. The connecting shaft 7012 is rotatably mounted on the support seat 708. The second bevel gear 709 is fixedly mounted on the connecting shaft 7012 and engaged with the first bevel gear 7010. The third belt wheel 7011 is fixedly mounted on the connecting shaft 7012 and located on one side of the second bevel gear 709. The fourth belt wheel 704 is fixedly mounted on one of the rotating rollers 703 and connected with the third belt wheel 7011 through the second belt 705.

[0078] The cleaning belt 702 can move the dust on the photovoltaic panel to one side of the photovoltaic panel and remove the dust from the one side of the photovoltaic panel, thereby ensuring the cleaning efficiency and cleaning quality of the photovoltaic panel. The driving motor 601 drives the first bevel gear 7010 to rotate, the first bevel gear 7010 is engaged with the second bevel gear 709, the first bevel gear 7010 drives the second bevel gear 709 to rotate, the second bevel gear 709 drives the connecting shaft 7012 to rotate, the connecting shaft 7012 drives the third belt wheel 7011 to rotate, the third belt wheel 7011 drives the second belt 705 to rotate, the second belt 705 drives the fourth belt wheel 704 to rotate, the fourth belt wheel 704 drives the rotating roller 703 on which the fourth belt wheel 704 is mounted to rotate, the rotating roller 703 drives the cleaning belt 702 to rotate, and the cleaning belt 702 rotates to clean the impurities on the photovoltaic panel.

[0079] Embodiment 1

[0080] In operation, the first mobile wheel 302 is placed on the upper surface of the photovoltaic panel, the second mobile wheel 308 on the bottom plate 304 on both sides of the center line of the first vertical rod 204 and the second vertical rod 203 is in contact with the side wall of the photovoltaic panel, achieving the purpose of placing the device on the photovoltaic panel, the third pulley 7011 is driven to rotate by the electric motor 3011, the second belt 705 is driven to rotate by the rotation of the third pulley 7011, the fourth pulley 704 is driven to rotate by the rotation of the second belt 705, the second mobile wheel 308 is driven to rotate by the rotation of the fourth pulley 704, and the second mobile wheel 308 is driven to move along the side wall of the photovoltaic panel, thereby achieving the purpose of moving the device;

[0081] The driving motor 601 drives the worm 603 to rotate, the worm 603 is engaged with the worm gear 605, the rotation of the worm 603 drives the worm gear 605 to rotate, the rotation of the worm gear 605 drives the rotating shaft 604 to rotate, the rotation of the rotating shaft 604 drives the rotating rod 606 to rotate, one end of the push-pull rod 608 is moved by the rotation of the rotating rod 606, the sliding sleeve 607 is moved back and forth along the first vertical rod 204 by the movement of one end of the push-pull rod 608, the sliding sleeve 607 moving back and forth along the first vertical rod 204 can drive one end of the rotating arm 503 to move back and forth, the rotating arm 503 moving back and forth at one end will drive the cleaning plate 501 to move back and forth along the support rod 504, the cleaning plate 501 moving back and forth will drive the cleaning hair 5010 to move back and forth, the cleaning hair 5010 moving in the process can not only remove the dust on the surface of the photovoltaic panel, but also can scatter the feces and fly corpses stuck on the surface of the photovoltaic panel, greatly improving the cleaning efficiency and cleaning quality of the surface of the photovoltaic panel.

[0082] Example 2

[0083] When the device moves to the dislocation between the two photovoltaic panels, the second moving wheel 308 in contact with the sidewall of the photovoltaic panel moves to the dislocation, the opening cylinder 3019 extends the piston rod to drive the rack 3018 to move, the rack 3018 is engaged with the gear 3016, the movement of the rack 3018 drives the gear 3016 to rotate, the rotation of the gear 3016 drives the rotating shaft 3017 to rotate, the rotation of the rotating shaft 3017 drives the rotating arm 3015 to rotate, the rotation of the rotating arm 3015 pulls one end of the pulling rod 3014 arranged at both ends of the rotating arm 3015 to move, the movement of one end of the pulling rod 3014 pulls the first mounting rod 3013 to rotate along the fixed shaft 305, the rotation of the first mounting rod 3013 drives the second mounting rod 306 to rotate, the rotation of the second mounting rod 306 drives the second moving wheel 308 attached to the photovoltaic panel to move away from the photovoltaic panel, while the second moving wheel 308 on the first mounting rod 3013 moves towards the photovoltaic panel, until the second moving wheel 308 on the first mounting rod 3013 is in contact with the sidewall of the photovoltaic panel, then the second moving wheel 308 on the first mounting rod 3013 moves along the sidewall of the photovoltaic panel to the adjacent dislocation between the photovoltaic panels, the piston rod of the retraction cylinder 3019 drives the rack 3018 to rotate in the opposite direction, the rack 3018 drives the gear 3016 to rotate in the opposite direction, the rotation of the gear 3016 drives the rotating arm 3015 to rotate in the opposite direction, the rotating arm 3015 drives one end of the pulling rod 3014 to move outward, the movement of one end of the pulling rod 3014 drives the other end of the pulling rod 3014 to pull the first mounting rod 3013 to rotate along the fixed shaft 305, the rotation of the first mounting rod 3013 drives the second mounting rod 306 to rotate, until the second moving wheel 308 on the second mounting rod 306 is in contact with the sidewall of the photovoltaic panel, achieving the purpose of crossing the adjacent dislocation between the photovoltaic panels, greatly improving the cleaning efficiency and quality of the photovoltaic panels.

[0084] Example 3

[0085] When the middle impurities need to be scraped off, the motor 3011 drives the first bevel gear 7010 to rotate, the first bevel gear 7010 drives the second bevel gear 709 to rotate, the second bevel gear 709 drives the connecting shaft 7012 to rotate, the connecting shaft 7012 drives the third pulley 7011 to rotate, the third pulley 7011 drives the fourth pulley 704 to rotate through the second belt 705, the fourth pulley 704 drives the rotating roller 703 to rotate, the rotating roller 703 drives the cleaning belt 702 to rotate, the rotation of the cleaning belt 702 can drive the impurities on the surface of the photovoltaic panel to move out from one side of the photovoltaic panel, ensuring the efficiency and quality of the cleaning of the surface of the photovoltaic panel.

[0086] Example 4

[0087] The cleaning water is input from the connecting pipe 402 to the spraying pipe 401, and the cleaning water in the spraying pipe 401 is sprayed from the spray head 403 to the photovoltaic panel, so as to soften the excrement and the dead bodies of flying insects on the photovoltaic panel, and the cleaning water and the dead bodies of flying insects softened on the surface of the photovoltaic panel are scraped clean by the scraping plate 801, so that the cleaning efficiency and the cleaning quality of the surface of the photovoltaic panel are greatly improved.

[0088] The above is only an example and a description of the structure of the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the scope defined by the structure of the present application, which shall belong to the protection scope of the present application.

Claims

1. A cleaning device for cleaning the surface of photovoltaic panels, comprising a support plate, a frame, a sweeping component, a spraying mechanism, a traveling mechanism, and a scraping component, characterized in that, The support plate is located in the lower middle part of the frame and is connected to the frame. A driving component is installed on the support plate and is located at the top of the support plate. The scraping component and the cleaning component are symmetrically arranged on both sides of the frame and the cleaning component is connected to the driving component. The cleaning component includes a cleaning plate, cleaning bristles, a support rod, and a rotating arm. The rotating arm and the support rod are symmetrically arranged on both sides of the center line of the support plate. The support rod is located on one side of the support plate and is connected to the support plate. One end of the rotating arm is rotatably mounted on a driving component. A fixing block is fixedly mounted on the support rod. A strip-shaped hole is opened in the middle of the rotating arm. A first slider and a second slider are arranged in the strip-shaped hole. Both the first slider and the second slider are slidably arranged in the strip-shaped hole. The first slider is rotatably mounted on the fixing block. A support block is fixedly mounted on the top of the cleaning plate. The second slider is rotatably mounted on the support block. A plurality of cleaning bristles are provided and are evenly distributed on the bottom of the cleaning plate. The walking mechanism is located below the frame and is connected to the frame; the spraying mechanism is located at the bottom of the support plate and is connected to the support plate. The frame includes a first vertical rod, a second vertical rod, a horizontal rod, an upright rod, and a support column. The support column is symmetrically arranged on both sides of the center line of the support plate, and the middle part of the support column is fixedly installed on the support plate. There are four upright rods, which are respectively fixedly installed at both ends of the support column on both sides of the center line of the support plate. The first vertical rod and the second vertical rod are symmetrically arranged on both sides of the center line of the support plate, and the two ends of the first vertical rod and the second vertical rod are respectively fixedly installed on the upright rod at the end of the support column. The horizontal rod is symmetrically arranged at both ends of the first vertical rod and the second vertical rod, and the two ends of the horizontal rod are respectively fixedly installed on the first vertical rod and the second vertical rod. The walking mechanism includes a base plate symmetrically arranged at both ends of the center line of the first vertical rod and the second vertical rod, a first moving wheel, a walking component, and an adjusting component. The base plate is located below the vertical rod and is fixedly connected to the vertical rod. The first moving wheel is located at the bottom of the base plate near the middle of the side of the support plate. The walking component is located at the bottom of the base plate. The adjusting component is installed on the support plate, and both ends of the adjusting component are respectively connected to the walking component on the base plate at both ends of the center line of the first vertical rod. The traveling component includes a mounting frame, a connecting shaft, a fixed shaft, a second moving wheel, a motor, a first pulley, a second pulley, and a first belt. The mounting frame includes a first mounting rod and a second mounting rod, the ends of which are connected, and the included angle between the first and second mounting rods is an obtuse angle. The fixed shaft is fixedly mounted on the base plate, and the connection point of the first and second mounting rods is rotatably mounted on the fixed shaft. The connecting shaft is fixedly mounted on the other end of the first and second mounting rods. The second moving wheel is fixedly mounted on the connecting shaft at the other end of the first and second mounting rods. The motor is located at the connection point of the first and second mounting rods and is connected to both the first and second mounting rods. The first pulley is fixedly mounted on the output shaft of the motor, and the second pulley is fixedly mounted on the connecting shaft. The first and second pulleys are connected by a first belt. The two ends of the adjusting component are rotatably mounted on the connecting shaft on the first mounting rod at both ends of the base plate of the first vertical rod centerline. The adjusting component includes a pull rod, a rack, a cylinder, a gear, a rotating shaft, and a rotating arm. The gear is fixedly mounted on the rotating shaft, which is rotatably mounted on the bottom of the support plate. The middle part of the rotating arm is fixedly mounted on the rotating shaft. The rack is located on one side of the gear and meshes with the gear. The cylinder is located on one side of the rack, and the piston rod of the cylinder is fixedly mounted on the side wall of the rack. The pull rod is symmetrically arranged at both ends of the rotating arm, and the two ends of the pull rod are rotatably mounted on the connecting shaft on the rotating arm and the first mounting rod, respectively. When the device moves between the two misaligned photovoltaic panels, the second moving wheel, which is in contact with the sidewall of the photovoltaic panel, moves to the misalignment point. This opens the cylinder, extending the piston rod and causing the rack to move. The rack meshes with the gear, and the rack's movement drives the gear to rotate. The gear's rotation drives the rotating shaft to rotate, which in turn drives the rotating arm to rotate. The rotating arm's rotation pulls one end of a pull rod located at each end of the rotating arm. This movement of the pull rod then pulls the first mounting rod to rotate along a fixed axis. The rotation of the first mounting rod drives the second mounting rod to rotate. The rotation of the second mounting rod causes the second moving wheel, which is in contact with the photovoltaic panel, to move away from the photovoltaic panel, while the second moving wheel on the first mounting rod moves closer to the photovoltaic panel. The first mounting rod moves until the second moving wheel on the first mounting rod contacts the side wall of the photovoltaic panel. Then, the second moving wheel on the first mounting rod moves along the side wall of the photovoltaic panel to the two adjacent misaligned photovoltaic panels. The piston rod of the retracting cylinder drives the rack to rotate in the opposite direction. The reverse rotation of the rack drives the gear to rotate in the opposite direction. The reverse rotation of the gear drives the rotating arm to rotate in the opposite direction. The reverse rotation of the rotating arm pushes one end of the pulling rod outward. The movement of one end of the pulling rod will pull the other end of the pulling rod to pull the first mounting rod to rotate along the fixed axis. The rotation of the first mounting rod will drive the second mounting rod to rotate until the second moving wheel on the second mounting rod contacts the side wall of the other photovoltaic panel. Finally, the crossing of the adjacent misaligned photovoltaic panels is completed. The scraping component includes a scraper plate, a mounting plate, a pressing rod, a second spring, a sealing block, and a ball. Connecting rods are fixedly installed on both sides of the center line of the scraper plate, and rotating sleeves are fixedly installed on the connecting rods. The rotating sleeves are rotatably installed on the support column. The mounting plate is fixedly installed on one side of the support plate. The pressing rod is slidably installed on the support plate. The ball is fixedly installed at the bottom of the pressing rod and cooperates with the scraper plate. The sealing block is fixedly installed at the top of the pressing rod. The second spring is sleeved on the pressing rod and is located between the ball and the mounting plate.

2. The cleaning device for cleaning the surface of photovoltaic panels according to claim 1, characterized in that, A fixing groove is formed on one side wall of the cleaning plate. A fixing rod and a first spring are fixedly installed inside the fixing groove. The two ends of the fixing rod are respectively fixedly installed on the two side walls of the fixing groove. The end of the support rod is set in the fixing groove. The support rod and the fixing rod are slidably engaged. The first spring is symmetrically arranged on both sides of the center line of the fixing groove and is located between the support rod and the side wall of the fixing groove. A guide rod is also provided in the strip hole. The two ends of the guide rod are respectively fixedly installed on the two side walls of the strip hole. The first slider and the second slider are slidably connected to the guide rod.

3. The cleaning device for cleaning the surface of photovoltaic panels according to claim 1, characterized in that, The driving component includes a mounting base, a drive motor, a rotating shaft, a worm gear, a worm, a rotating rod, a push-pull rod, and a sliding sleeve. The sliding sleeve is slidably mounted on the first vertical rod. One end of the rotating arm is rotatably mounted on the side wall of the sliding sleeve. The mounting base is fixedly mounted in the middle of the support plate. The rotating shaft is rotatably mounted on the fixed base. The worm gear is fixedly mounted on the rotating shaft. The rotating rod is located on one side of the fixed base, and one end of the rotating rod is fixedly mounted on the rotating shaft. Both ends of the push-pull rod are rotatably connected to the sliding sleeve and the other end of the rotating rod, respectively. The worm is located below the worm gear and meshes with the worm gear. The drive motor is fixedly mounted on the mounting base, and the worm is fixedly mounted on the output shaft of the drive motor.

4. The cleaning device for cleaning the surface of a photovoltaic panel according to claim 3, characterized in that, The spraying mechanism includes a spray pipe, a connecting pipe, and several nozzles evenly distributed at the bottom of the spray pipe. The spray pipe is installed at the bottom of the support plate. One end of the connecting pipe is connected to the spray pipe, and the other end of the connecting pipe is connected to an external water source.

5. The cleaning device for cleaning the surface of a photovoltaic panel according to claim 3, characterized in that, It also includes a material-pushing component, which comprises a sweeping belt, a second belt, a first tilting rod, a second tilting rod, a connecting shaft, a first bevel gear, a second bevel gear, a third pulley, a support base, a fourth pulley, and a rotating roller. The first and second tilting rods are symmetrically arranged at both ends of the support plate, and are also symmetrically arranged on both sides of the center line of the support rod. The rotating rollers are symmetrically arranged at both ends of the support plate, and are rotatably connected to either the first or second tilting rod at both ends. The rotating roller mounted on the first tilting rod is connected to the rotating roller mounted on the second tilting rod via the sweeping belt. Several protrusions are evenly arranged on the sweeping belt. The first bevel gear is fixedly mounted on the output shaft of the motor and is located on one side of the worm gear. The support base is fixedly mounted on the other side of the mounting base. The connecting shaft is rotatably mounted on the support base. The second bevel gear is fixedly mounted on the connecting shaft and meshes with the first bevel gear. The third pulley is fixedly mounted on the connecting shaft and is located on one side of the second bevel gear. The fourth pulley is fixedly mounted on one of the rotating rollers and is connected to the third pulley via the second belt.

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