CN111530803A - Photovoltaic panel cleaning robot with guide rail mechanism and stable operation - Google Patents

Abstract

The invention discloses a photovoltaic panel cleaning robot with a guide rail mechanism and stable operation, which relates to the technical field of photovoltaic panel cleaning and solves the problem that dust and other impurities will fall on the surface of the photovoltaic panel during the long-term use of the existing solar photovoltaic panel. A problem that greatly affects the efficiency of solar photovoltaic panels to absorb solar energy. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation includes a photovoltaic panel installation frame, several photovoltaic panels are evenly installed in the interior of the photovoltaic panel installation frame, and two sliders are evenly installed on the upper end surface of the photovoltaic panel installation frame. A rail base, two L-shaped connecting plates are evenly installed on one side of the slide rail base. The invention can clean the surface of the solar photovoltaic panel by installing a lateral moving mechanism, a longitudinal moving mechanism, a supporting threaded rod, a wiping cloth and a cleaning brush, avoiding dust accumulation and affecting the solar energy absorption efficiency of the photovoltaic panel, and has a simple structure and convenient operation. .

Description

A photovoltaic panel cleaning robot with guide rail mechanism and stable operation

technical field

The invention relates to the technical field of photovoltaic panel cleaning, in particular to a photovoltaic panel cleaning robot with a guide rail mechanism and stable operation.

Background technique

With the rapid development of society and economy, photovoltaic panels are panels used to absorb solar energy in solar photovoltaic modules. A solar photovoltaic module is a power generation device that generates direct current when exposed to sunlight. It is composed of thin solid photovoltaic cells made of silicon. Since there are no moving parts, it can be operated for a long time without causing any loss. Simple photovoltaic cells can provide energy for watches and computers, and more complex photovoltaic systems can be used for houses. Lighting, and powering the grid, solar photovoltaic modules can be made into different shapes, and components can be connected to generate more electricity, photovoltaic panel cleaning robots are devices that clean solar photovoltaic panels.

However, the existing existing solar photovoltaic panels will have dust and other impurities falling on the surface of the photovoltaic panels during long-term use, which will have a great impact on the efficiency of solar photovoltaic panels to absorb solar energy; therefore, it does not meet the existing requirements. demand; therefore, the existing demand is not met, for which we propose a photovoltaic panel cleaning robot with a guide rail mechanism and stable operation.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a photovoltaic panel cleaning robot with a guide rail mechanism and stable operation, so as to solve the problem that the existing solar photovoltaic panels proposed in the above background technology will have dust and other impurities falling on the surface of the photovoltaic panel during long-term use. , has a great impact on the efficiency of solar photovoltaic panels to absorb solar energy; therefore, does not meet the existing needs and other problems.

In order to achieve the above purpose, the present invention provides the following technical solutions: a photovoltaic panel cleaning robot with a guide rail mechanism and stable operation, including a photovoltaic panel installation frame, and a plurality of photovoltaic panels are evenly installed in the interior of the photovoltaic panel installation frame, and the photovoltaic panel Two slide rail bases are evenly installed on the upper end surface of the board mounting frame, two L-shaped connecting plates are evenly installed on one side of the slide rail base, and guide slide rails are installed on the upper surface of the slide rail base, and the guide rails are installed on the upper surface of the slide rail base. One side of the slide rail is provided with a guide limit chute, a lateral movement mechanism is installed above the guide slide rail, and two support threaded rods are evenly installed in the middle of the two lateral movement mechanisms. Two limit plates are evenly installed on the outside, and a longitudinal moving mechanism is installed in the middle of the two support threaded rods;

The longitudinal movement mechanism includes a protective outer casing, two longitudinal power motors are evenly installed inside the protective outer casing, a longitudinal power motor bevel gear is installed at the front end of the longitudinal power motor, and one of the longitudinal power motor bevel gears is installed. A transmission bevel gear is installed on the side, a moving support block is installed on both sides of the protective outer casing, a rotating threaded sleeve is installed on the inner side of the moving support block, and a rotating threaded sleeve is installed on the outside of the rotating threaded sleeve a gear, a transmission gear is installed on one side of the rotating threaded casing gear;

A wiping turntable is installed below the longitudinal moving mechanism, and a cleaning brush is installed on the lower end surface of the wiping turntable.

Preferably, the lateral movement mechanism includes a U-shaped moving frame, a plurality of moving roller shafts are evenly installed in the middle of the U-shaped moving frame, and a moving roller is installed on the outer side of the moving roller shaft, and one end of the moving roller shaft is installed A transmission pulley is installed on the outside, a transverse power motor pulley is installed above the transmission pulley, and a transverse power motor is installed on one side of the transverse power motor pulley.

Preferably, a wiping cloth fixing plate is installed on the outer side of the wiping turntable, and four fixing rods are evenly installed in the middle of the wiping cloth fixing plate and the protective outer casing, and the fixing rods are connected with the protective outer casing and the wiping cloth. The fixing plates are all fixed by welding.

Preferably, the outer surfaces of the support threaded rod located in the middle part of the two limiting plates and the inner side of the rotating threaded sleeve are provided with threads with the same rotation direction, and the rotating threaded sleeve and the supporting threaded rod are threadedly connected.

Preferably, several positioning rods are evenly installed in the middle of the L-shaped connecting plate and the slide rail base, and a return spring is provided on the outer side of the positioning rods.

Preferably, synchronous pulleys are installed on the rear sides of the transmission gear and the transmission bevel gear, and belts are installed on the outer sides of the two synchronous pulleys.

Preferably, ball bearings are provided on the outer sides of both ends of the rotating threaded sleeve and the middle of the moving support block, and the rotating threaded sleeve and the moving support block are connected by ball bearings.

Preferably, one end of the support threaded rod is completely fitted with one side of the lateral movement mechanism, and the support screw rod and the lateral movement mechanism are fixed by welding.

Preferably, a guide limit slide bar is installed below the moving roller, a connecting rod is arranged on one side of the guide limit slide bar, and one end of the connecting rod is inserted into the inner side of the U-shaped moving frame. A light spring is arranged between the limit slide bar and the U-shaped moving frame.

Preferably, the lower end surface of the wiping cloth piece fixing plate is evenly provided with four wiping cloth pieces, and the wiping cloth piece and the wiping cloth piece fixing plate are fixed by an adhesive.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, the transmission mechanism is driven by the lateral power motor inside the lateral movement mechanism, so that the moving mechanism drives the rotating cleaning brush and the sliding wiping cloth under the longitudinal movement mechanism between the two supporting threaded rods to follow the photovoltaic panel installation frame and the photovoltaic panel. To move, the photovoltaic panel installation frame and photovoltaic panel can be cleaned horizontally, and then when the lateral movement mechanism moves to the end of the guide rail, the longitudinal power motor inside the longitudinal movement mechanism is activated, so that the longitudinal power motor drives the gear set to rotate, By rotating the threaded connection between the threaded sleeve and the supporting threaded rod, the wiping cloth and the cleaning brush are displaced longitudinally, and then the lateral movement mechanism is moved in the opposite direction along the guide rails, so that the cleaning brush and the wiping cloth can move the photovoltaic panel in the opposite direction. Cleaning other parts of the surface, and repeating the operation in sequence can clean the surface of the photovoltaic panel in an all-round way, avoid dust accumulation, affect the solar energy absorption efficiency of the photovoltaic panel, and operate stably;

2. In the present invention, the slide rail base is fixed on both sides of the photovoltaic panel installation frame, and then the two lateral moving mechanisms are lifted and placed above one end of the two slide rail bases, and then the two slide rail bases are pulled to make the The slide rail base is separated from the L-shaped connecting plate and the internal return spring is passively compressed, so that the guide rails above the two slide rail bases are located in the middle of the U-shaped moving frame, and then the guide limit slide bar is pressed to the inside of the U-shaped moving frame. move, so that the connecting rod on the side of the guide limit slide rod enters the inner U-shaped moving frame and the light spring is passively compressed. At this time, the U-shaped moving frame is placed downward, so that the moving roller shaft in the middle of the U-shaped moving frame is engaged in the sliding frame. The surface of the guide rail above the rail base, at this time, release the guide limit slide bar, so that the light spring elastically restores, and the guide limit slide bar is reset, so that the side of the guide limit slide bar is clamped into the side of the guide slide rail Inside the guide limit chute, the U-shaped moving frame will be completely engaged with the surface of the guide rail, and will not easily shift and dislocate, which is convenient for the installation and fixation of the device, and can prevent the device from moving during the movement process. Errors and offsets occur, and the device is easy to disassemble for recycling and storage.

Description of drawings

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is the side view of the whole of the present invention;

Fig. 3 is the structural schematic diagram of the longitudinal movement mechanism of the present invention;

Fig. 4 is the structural schematic diagram of the mobile support block of the present invention;

Fig. 5 is the partial structure schematic diagram of the protective outer casing of the present invention;

FIG. 6 is a schematic structural diagram of the lateral movement mechanism of the present invention.

In the figure: 1. Photovoltaic panel installation frame; 2. Photovoltaic panel; 3. L-shaped connecting plate; 4. Slide rail base; 5. Guide limit chute; 6. Lateral moving mechanism; 601, U-shaped moving frame; 602 , lateral power motor; 603, lateral power motor pulley; 604, transmission pulley; 605, moving roller shaft; 606, moving roller; 607, guide limit slider; 7, support threaded rod; 8, longitudinal movement mechanism; 801, Protective outer casing; 802, moving support block; 803, rotating threaded casing; 804, rotating threaded casing gear; 805, transmission gear; 806, transmission bevel gear; 807, longitudinal power motor bevel gear; 808, longitudinal power motor; 809, timing pulley; 9, wiping cloth fixed plate; 10, wiping cloth; 11, guide rail; 12, wiping turntable; 13, cleaning brush; 14, limit plate.

Detailed ways

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

The photovoltaic panel 2 (model XKD-350), the lateral power motor 602 (model 5GN15K) and the longitudinal power motor 808 (model GA12-N20) mentioned in the present invention can all be purchased in the market or privately.

Please refer to FIG. 1 to FIG. 6 , an embodiment provided by the present invention: a photovoltaic panel cleaning robot with a guide rail mechanism and stable operation, including a photovoltaic panel mounting frame 1, and a plurality of photovoltaic panels are evenly installed in the interior of the photovoltaic panel mounting frame 1 Plate 2, two slide rail bases 4 are evenly installed on the upper end surface of the photovoltaic panel installation frame 1, two L-shaped connecting plates 3 are evenly installed on one side of the slide rail base 4, and guide slides are installed on the upper surface of the slide rail base 4. Rail 11, one side of the guide rail 11 is provided with a guide limit chute 5, a lateral movement mechanism 6 is installed above the guide rail 11, and two support threaded rods 7 are evenly installed in the middle of the two lateral movement mechanisms 6, Two limit plates 14 are evenly installed on the outer side of the support threaded rods 7 to limit the stroke of the longitudinal moving mechanism 8 to ensure stable operation of the device without causing bumps. Drive the wiping cloth 10 and the cleaning brush 13 to change positions, so as to facilitate the comprehensive cleaning of the photovoltaic panel 2 and the photovoltaic panel installation frame 1;

The longitudinal movement mechanism 8 includes a protective outer casing 801 , two longitudinal power motors 808 are evenly installed inside the protective outer casing 801 , a longitudinal power motor bevel gear 807 is installed at the front end of the longitudinal power motor 808 , and one side of the longitudinal power motor bevel gear 807 is installed. A transmission bevel gear 806 is installed, a moving support block 802 is installed on both sides of the protective outer casing 801, a rotating threaded sleeve 803 is installed on the inner side of the moving support block 802, and a rotating threaded sleeve gear is installed on the outside of the rotating threaded sleeve 803 804, a transmission gear 805 is installed on one side of the rotating threaded casing gear 804;

A wiping turntable 12 is installed below the vertical movement mechanism 8 , and a cleaning brush 13 is installed on the lower end surface of the wiping turntable 12 .

Further, the lateral movement mechanism 6 includes a U-shaped moving frame 601, a plurality of moving roller shafts 605 are evenly installed in the middle of the U-shaped moving frame 601, a moving roller 606 is installed on the outer side of the moving roller shaft 605, and one end of the moving roller shaft 605 is installed on the outside There is a drive pulley 604, a lateral power motor pulley 603 is installed above the drive pulley 604, and a lateral power motor 602 is installed on one side of the lateral power motor pulley 603, which facilitates lateral movement of the device and facilitates cleaning of the photovoltaic panel 2.

Further, a wiping cloth fixing plate 9 is installed on the outer side of the wiping turntable 12, and four fixing rods are evenly installed in the middle of the wiping cloth fixing plate 9 and the protective outer casing 801. The fixing rods are connected with the protective outer casing 801 and the wiping cloth fixing plate. 9 are fixed by welding, which enhances the stability and connectivity of the wiping cloth fixing plate 9.

Further, the outer surface of the support threaded rod 7 located in the middle part of the two limiting plates 14 and the inner side of the rotating threaded sleeve 803 are provided with threads with the same rotation direction, and the rotating threaded sleeve 803 and the supporting threaded rod 7 are connected by thread, and the threaded connection is threaded. The rotating threaded sleeve 803 can move along the surface of the supporting threaded rod 7 after being rotated, so as to facilitate the operation of the device.

Further, several positioning rods are evenly installed in the middle of the L-shaped connecting plate 3 and the slide rail base 4, and the outer side of the positioning rod is provided with a return spring, so that the connection between the L-shaped connecting plate 3 and the slide rail base 4 is more stable, and it is convenient to use, Easy to fix the device.

Further, timing pulleys 809 are installed on the rear sides of the transmission gear 805 and the transmission bevel gear 806, and belts are provided on the outer sides of the two timing pulleys 809 to facilitate the synchronous rotation of the two timing pulleys 809 and facilitate motion transmission.

Further, ball bearings are provided on the outer sides of the two ends of the rotating threaded sleeve 803 and the middle of the moving support block 802, and the rotating threaded sleeve 803 and the moving support block 802 are connected by ball bearings, which is convenient for the rotating threaded sleeve 803 to rotate freely. will cause hindrance.

Further, one end of the supporting threaded rod 7 is completely fitted with one side of the lateral movement mechanism 6, and the supporting threaded rod 7 and the lateral movement mechanism 6 are fixed by welding to ensure that the supporting threaded rod 7 is completely fixed and will not rotate, ensuring that the threaded sleeve is rotated. Tube 803 runs smoothly.

Further, a guide limit slide bar 607 is installed below the moving roller 606 , a connecting rod is provided on one side of the guide limit slide bar 607 , and one end of the connecting rod is inserted into the inner side of the U-shaped moving frame 601 , and the guide limit slide bar 607 A light spring is arranged between the U-shaped moving frame 601 and the guide limit slide bar 607 to smoothly engage into the guide limit chute 5 to guide the operation of the device and avoid device dislocation.

Further, the lower end surface of the wiping cloth fixing plate 9 is evenly provided with four wiping cloths 10, and the wiping cloth 10 and the wiping cloth fixing plate 9 are fixed by an adhesive, and the wiping cloth 10 can clean the area left by the cleaning brush. Cleaning makes cleaning more comprehensive and thorough.

Working principle: When using, firstly fix the slide rail base 4 on both sides of the photovoltaic panel installation frame 1, then lift the two lateral movement mechanisms 6 and place them above one end of the two slide rail bases 4, and then place the two slide rail bases 4 The rail base 4 is pulled, so that the slide rail base 4 is separated from the L-shaped connecting plate 3 and the internal return spring is passively compressed, so that the guide rail 11 above the two slide rail bases 4 is located in the middle of the U-shaped moving frame 601, and then the The guide limit slide bar 607 is pressed toward the inner side of the U-shaped moving frame 601, so that the connecting rod on the side of the guide limit slide bar 607 enters the U-shaped moving frame 601 and the light spring is passively compressed. placed down, so that the moving roller shaft 605 in the middle of the U-shaped moving frame 601 is engaged with the surface of the guide rail 11 above the slide rail base 4, at this time, the guide limit slide bar 607 is released, so that the light spring is elastically restored, and the guide The limit slide bar 607 is reset, so that the side of the guide limit slide bar 607 is inserted into the guide limit slide slot 5 on the side of the guide slide rail 11 , and the U-shaped moving frame 601 will be completely engaged with the guide slide rail 11 at this time. The surface of the device is not prone to offset and dislocation, which is convenient for the installation and fixation of the device, and can prevent errors and offsets during the movement of the device, and it is convenient to disassemble the device and facilitate recycling and storage. After the lateral movement mechanism 6 and the two guide rails 11 are connected, the power supply of the device can be turned on. After the power is turned on, the power mechanism connected to the upper end of the wiper turntable 12 will drive the wiper turntable 12 and the bottom surface of the lower end of the wiper turntable 12 to fit the photovoltaic panel 2 and the photovoltaic panel. The cleaning brush 13 on the surface of the board mounting frame 1 rotates. At this time, the lateral power motor 602 can be activated, so that the lateral power motor 602 rotates by driving the lateral power motor pulley 603, so that the lateral power motor pulley 603 is driven and the drive pulley 604. The belt rotates so that the drive pulley 604 and the moving roller shaft 605 fixed to the drive pulley 604 rotate, and when the moving roller shaft 605 rotates, it drives the fixed moving roller 606 outside it to rotate, and when the moving roller 606 rotates, it rotates with the guide rail 11 The friction will cause the moving roller 606 to drive the lateral moving mechanism 6 to move along the surface of the guide rail 11 as a whole, so that the two lateral moving mechanisms 6 drive the two supporting threaded rods 7 to move so that the supporting threaded rod 7 drives the longitudinal moving mechanism 8 The wiping turntable 12 and the cleaning brush 13 that rotate under the longitudinal moving mechanism 8 and the wiping cloth 10 fixed on the bottom surface of the wiping cloth fixing plate 9 are attached to the surface of the photovoltaic panel 2 and the photovoltaic panel mounting frame 1 and slide. At this time, the rotating cleaning The brush 13 and the sliding wiper 10 will clean the dust and impurities on the surface of the photovoltaic panel 2. When the lateral movement mechanism 6 moves to the other end of the guide rail 11, the longitudinal power motor 808 is activated, so that the longitudinal power motor 808 drives the The longitudinal power motor bevel gear 807 rotates so that the longitudinal power motor bevel gear 807 drives the transmission bevel gear 806 meshing with it and the transmission bevel gear 806 806 The synchronous pulley 809 fixed on the same shaft rotates, and the synchronous pulley 809 will transmit the motion through the belt to another synchronous pulley 809 and the transmission gear 805 fixed on the same shaft as this synchronous pulley 809, so that the transmission gear 805 rotates , when the transmission gear 805 rotates, it will drive the rotating threaded sleeve gear 804 and the rotating threaded sleeve 803 fixed to the rotating threaded sleeve gear 804 to rotate. The moving support block 802 moves along the support threaded rod 7, so that the longitudinal positions of the cleaning brush 13 and the wiping cloth 10 are shifted, and then the lateral power motor 602 is activated in the reverse direction, so that the lateral movement mechanism 6 moves along the guide rail 11. The reverse movement makes the cleaning brush 13 and the wiping cloth 10 clean other positions on the surface of the photovoltaic panel 2, so that the surface of the photovoltaic panel 2 can be cleaned in an all-round way, so as to avoid dust accumulation and affect the solar energy absorption efficiency of the photovoltaic panel 2. Stable operation, simple structure and convenient operation.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and range of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (10)

1. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation, comprising a photovoltaic panel installation frame (1), characterized in that: several photovoltaic panels (2) are evenly installed in the interior of the photovoltaic panel installation frame (1), Two sliding rail bases (4) are evenly installed on the upper end surface of the photovoltaic panel installation frame (1), and two L-shaped connecting plates (3) are evenly installed on one side of the sliding rail base (4). A guide slide rail (11) is installed on the upper surface of the slide rail base (4), one side of the guide slide rail (11) is provided with a guide limit chute (5), and the upper part of the guide slide rail (11) A lateral movement mechanism (6) is installed, two support threaded rods (7) are evenly installed in the middle of the two lateral movement mechanisms (6), and two limit positions are evenly installed on the outer side of the support threaded rod (7). a plate (14), a longitudinal moving mechanism (8) is installed in the middle of the two supporting threaded rods (7); The longitudinal movement mechanism (8) includes a protective outer casing (801), two longitudinal power motors (808) are evenly installed in the inside of the protective outer casing (801), and a front end of the longitudinal power motor (808) is installed with A longitudinal power motor bevel gear (807), a transmission bevel gear (806) is installed on one side of the longitudinal power motor bevel gear (807), and a moving support block (802) is installed on both sides of the protective outer casing (801) ), a rotating threaded sleeve (803) is installed on the inner side of the moving support block (802), and a rotating threaded sleeve gear (804) is installed on the outside of the rotating threaded sleeve (803). A transmission gear (805) is installed on one side of the gear (804); A wiping turntable (12) is installed below the longitudinal moving mechanism (8), and a cleaning brush (13) is installed on the lower end surface of the wiping turntable (12). 2. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, characterized in that: the lateral moving mechanism (6) comprises a U-shaped moving frame (601), and the U-shaped moving frame ( 601) is evenly installed in the middle of several moving roller shafts (605), the outer side of the moving roller shaft (605) is installed with a moving roller (606), and one end of the moving roller shaft (605) is installed on the outside of a drive pulley (605). 604), a lateral power motor pulley (603) is installed above the drive pulley (604), and a lateral power motor (602) is installed on one side of the lateral power motor pulley (603). 3. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, characterized in that: a wiping cloth fixing plate (9) is installed on the outer side of the wiping turntable (12), and the wiping cloth Four fixing rods are evenly installed in the middle of the sheet fixing plate (9) and the protective outer casing (801), and the fixing rods, the protective outer casing (801) and the wiping cloth sheet fixing plate (9) are all fixed by welding. 4. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, characterized in that: the support threaded rod (7) is located between the outer surface of the middle part of the two limit plates (14) and the rotating thread The inner side of the sleeve (803) is provided with threads with the same direction of rotation, and the rotating threaded sleeve (803) is connected with the support threaded rod (7) through threads. 5. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, characterized in that: several positioning positions are evenly installed in the middle of the L-shaped connecting plate (3) and the slide rail base (4). A rod, the outer side of the positioning rod is provided with a return spring. 6. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, wherein a timing pulley (809) is installed on the rear side of the transmission gear (805) and the transmission bevel gear (806). ), the outer sides of the two timing pulleys (809) are provided with belts. 7. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, characterized in that: the outer sides of both ends of the rotating threaded sleeve (803) and the middle of the moving support block (802) are both provided There is a ball bearing, and the rotating threaded sleeve (803) is connected with the moving support block (802) through the ball bearing. 8. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 1, characterized in that: one end of the support threaded rod (7) is completely fitted with one side of the lateral movement mechanism (6), The support threaded rod (7) and the lateral movement mechanism (6) are fixed by welding. 9 . The photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 2 , wherein a guide and limit slide bar ( 607 ) is installed under the moving roller ( 606 ), and the guide limit One side of the position sliding rod (607) is provided with a connecting rod, one end of the connecting rod is inserted into the inner side of the U-shaped moving frame (601), and the guiding limit sliding rod (607) is connected to the U-shaped moving frame (601) There is a light spring in the middle. 10. A photovoltaic panel cleaning robot with a guide rail mechanism and stable operation according to claim 3, characterized in that: the lower end surface of the wiping cloth piece fixing plate (9) is evenly provided with four wiping cloth pieces (10) , the wiping cloth sheet (10) and the wiping cloth sheet fixing plate (9) are fixed by an adhesive.

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