Photovoltaic panel cleaning machine

Abstract

The utility model discloses a photovoltaic panel cleaning machine which comprises a holding rod, a mounting frame and a cleaning disc, a water passing pipeline is arranged on the holding rod, and a spray head communicated with the water passing pipeline is arranged on the mounting frame; the mounting frame comprises a shell, a driving motor and a mounting disc connected with the output end of the driving motor, and one end of the holding rod is connected with the shell; a positioning groove extending in the axial direction of the mounting disc is formed in the end, away from the holding rod, of the mounting disc. A limiting groove extending in the radial direction of the mounting disc is reserved in the wall face of the positioning groove. The cleaning disc comprises a disc body and a positioning ring which are connected, the positioning ring is slidably connected with the mounting disc through a positioning groove, the side face of the positioning ring is slidably connected with a positioning piece in the radial direction, one end of the positioning piece is located in the positioning ring, and the other end of the positioning piece can slide into the limiting groove; the end face, deviating from the positioning ring, of the disc body is provided with brushes or dry cloth. The photovoltaic panel cleaning device solves the problems that in the prior art, in the whole photovoltaic panel cleaning process, the labor intensity is still large, and the cleaning efficiency is still low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of photovoltaic power generation cleaning equipment, specifically relates to a photovoltaic panel cleaning machine. BACKGROUND

[0002] The statements in this section merely provide background information related to the present disclosure and can not constitute prior art.

[0003] The photovoltaic panel is mainly used for solar power generation, and the weather condition is the biggest factor restricting power generation. In addition to avoiding the loss caused by the failure of electrical equipment, the photovoltaic panel cleaning is particularly important. The cleaning of the photovoltaic panel mainly includes manual mop cleaning, high-pressure water washing, electric cleaning machine cleaning, automatic cleaning, large-scale cleaning vehicle cleaning and the like. The manual mop cleaning needs to continuously mop the photovoltaic panel back and forth with the mop, which has high labor intensity, low cleaning efficiency, high labor cost and poor cleaning effect. The high-pressure water washing needs a large amount of water, and if the water pressure is too high, the photovoltaic panel may be cracked. The automatic cleaning is to install a cleaning device on the photovoltaic module array, and the device is automatically cleaned by rotating the motor through automatic program control. The equipment cost of the automatic cleaning and the large-scale cleaning vehicle is very high.

[0004] The prior art can also clean the photovoltaic panel by using the handheld photovoltaic panel electric turntable cleaning machine shown in CN219420711U. When the electric turntable cleaning machine is used, the worker holds the handle, the motor drives the turntable or the roller to rotate, and the brush on the turntable or the roller rotates while spraying water to remove the dirt and bird droppings on the surface of the photovoltaic panel.

[0005] However, in actual use, after cleaning the photovoltaic panel, a dry towel needs to be used to wipe the photovoltaic panel to dry the water droplets on the photovoltaic panel, so that the labor intensity of the entire photovoltaic panel cleaning process is still large, and the cleaning efficiency is still low. UTILITY MODEL CONTENTS

[0006] The utility model aims at the problem that the labor intensity of the entire photovoltaic panel cleaning process is still large and the cleaning efficiency is still low in the prior art, and provides a photovoltaic panel cleaning machine to solve the above problem.

[0007] The technical scheme of the utility model is as follows:

[0008] A photovoltaic panel cleaning machine comprises a handle, a mounting frame and a cleaning disc, wherein,

[0009] A water pipeline is arranged on the handle, and a spray head is arranged on the mounting frame and connected with the water pipeline;

[0010] The mounting frame comprises a housing, a driving motor mounted in the housing, and a mounting disc connected with an output end of the driving motor, one end of the handle bar is connected with the housing,

[0011] An axial positioning groove is arranged on the end of the mounting disc away from the handle bar,

[0012] The cleaning disc comprises a disc body and a positioning ring which are both annular and connected, the positioning ring is slidably connected with the mounting disc through the positioning groove, at least one positioning member is slidably connected with the ring side surface of the positioning ring in the radial direction, and the other end of the positioning member can be slid into the limiting groove,

[0013] The end surface of the disc body away from the positioning ring is provided with a brush or dry cloth.

[0014] The technical scheme provided by the utility model has at least the following beneficial effects:

[0015] Through the above structure, when in use, the water pipeline is opened, at this time, the spray head can spray water to assist the brush on the disc body to clean, the driving motor drives the mounting disc to rotate, at the same time, the positioning ring rotates together with the transmission between the positioning member and the limiting groove, and further drives the brush to rotate, because the centrifugal force is outward when the cleaning disc rotates, at this time, the positioning member in the limiting groove is more difficult to come out, at this time, the staff can clean the surface of the photovoltaic panel by holding the handle bar,

[0016] After cleaning, the driving motor and the water pipeline are closed, the positioning member can be manually slid to slide towards the axial position of the positioning ring until it is separated from the limiting groove, the unlocking of the cleaning disc and the mounting disc can be completed, then the cleaning disc is slid away from the mounting disc to separate the cleaning disc and the mounting disc, then the cleaning disc provided with the dry cloth is slid into the mounting disc, and the cleaning disc is connected with the mounting disc through the cooperation of the positioning member and the limiting groove, at the same time, the driving motor is started to wipe the surface of the photovoltaic panel by using the cleaning disc with the dry cloth,

[0017] Obviously, compared with the prior art, the cleaning disc can be quickly and conveniently disassembled to replace the brush and the dry cloth, and then the cleaning of the photovoltaic panel can be sequentially completed by using the same device, the staff can more simply and quickly wipe the photovoltaic panel by replacing the cleaning disc with the dry cloth, the labor intensity of the staff is reduced, and the work efficiency is improved.

[0018] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the positioning member comprises a positioning sliding block and an elastic member, wherein,

[0019] The positioning slider is connected on the ring side of the positioning ring in the radial direction of the positioning ring, the elastic member extends in the radial direction of the positioning ring, one end of the elastic member is connected with the positioning slider, and the other end of the elastic member is connected with the positioning ring.

[0020] The technical scheme provided by the utility model has at least the following beneficial effects:

[0021] Through the arrangement of the elastic member, the positioning slider is always extruded towards the outside of the positioning ring, so that the positioning ring can be stably connected with the mounting disc.

[0022] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the positioning slider further comprises a positioning step, the positioning ring is provided with a stepped surface, and the stepped surface is used for abutting against the positioning step to limit the sliding of the positioning slider.

[0023] The technical scheme provided by the utility model has at least the following beneficial effects:

[0024] Through the arrangement of the positioning step, when the worker slides the positioning slider to dismount the cleaning disc and the mounting disc, the positioning slider is prevented from being pulled out due to excessive force.

[0025] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, an empty groove is reserved at one end of the positioning slider which faces the axis of the positioning ring, and the empty groove is provided with an opening at one end which faces away from the mounting disc.

[0026] The technical scheme provided by the utility model has at least the following beneficial effects:

[0027] The empty groove can greatly facilitate the worker to pull the positioning slider out of the limiting groove.

[0028] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the number of limiting grooves is 2, 3, 4 or 5, the limiting grooves are distributed in the circumferential direction of the positioning groove, the number of positioning members is the same as that of the limiting grooves, and the positioning members are distributed in the circumferential direction of the positioning ring.

[0029] The technical scheme provided by the utility model has at least the following beneficial effects:

[0030] Through the arrangement of the limiting grooves and the positioning members in the above-mentioned number, on the one hand, the connection between the cleaning disc and the mounting disc can be enhanced, and on the other hand, the worker can conveniently replace the cleaning disc through one-handed operation.

[0031] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the outer ring side of the mounting disc is provided with a positioning lug, and at least part of the limiting grooves is located in the positioning lug.

[0032] The technical scheme provided by the utility model has at least the following beneficial effects:

[0033] Through the setting of the positioning lug, the length of the limiting groove can be increased to ensure that the positioning slider and the mounting disc have sufficient contact area, thereby reducing the size of the mounting disc and the weight of the mounting frame, and facilitating the operation of the staff.

[0034] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the spray head is arranged on the end face of the mounting disc facing the brush.

[0035] The technical scheme provided by the utility model has at least the following beneficial effects:

[0036] By arranging the spray head on the above-mentioned end face, the photovoltaic panel panel surface can be directly faced to increase the spray washing effect.

[0037] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the inner wall surface of the positioning groove is provided with a key groove extending along the axial direction, and the outer wall surface of the positioning ring is provided with a positioning key sliding in the key groove.

[0038] The technical scheme provided by the utility model has at least the following beneficial effects:

[0039] Through the setting of the positioning key and the key groove, on the one hand, the transmission effect of the mounting disc and the cleaning disc can be enhanced, and on the other hand, the staff can also conveniently align the positioning slider and the limiting groove.

[0040] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the handle rod is a telescopic rod.

[0041] The technical scheme provided by the utility model has at least the following beneficial effects:

[0042] Through the telescopic rod, different environments and different types of photovoltaic panels can be adapted, and the staff can conveniently adjust the length of the handle rod according to the actual situation.

[0043] In the photovoltaic panel cleaning machine provided in one of the embodiments of the utility model, the handle rod is rotationally connected to the mounting frame with one end connected to the mounting frame as the center.

[0044] The technical scheme provided by the utility model has at least the following beneficial effects:

[0045] Through the above-mentioned rotational connection, the staff can conveniently clean the panel surface of the photovoltaic panel, so that the brush end face of the disc body can always face the panel surface of the photovoltaic panel. BRIEF DESCRIPTION OF DRAWINGS

[0046] Figure 1It is the overall structure schematic diagram of photovoltaic panel cleaning machine;

[0047] Figure 2 It is Figure 1 It is the local enlarged view at A in the middle;

[0048] Figure 3 It is the structure schematic diagram of another view of photovoltaic panel cleaning machine;

[0049] Figure 4 It is Figure 3 It is the local enlarged view at B in the middle;

[0050] Figure 5 It is the specific structure schematic diagram of installation disc and cleaning disc;

[0051] Figure 6 It is the specific structure schematic diagram of positioning member;

[0052] Figure 7 It is the exploded view of installation disc and cleaning disc.

[0053] In the drawings, the components represented by each reference numeral are listed as follows:

[0054] 1, handle bar;

[0055] 2, installation frame; 20, shell, 21, installation disc, 210, positioning groove, 211, limiting groove, 212, positioning lug;

[0056] 3, cleaning disc; 30, disc body, 31, positioning ring, 32, brush, 33, positioning member, 331, positioning sliding block, 332, elastic member, 333, positioning step, 334, empty groove;

[0057] 4, water pipeline, 5, spray head, 6, rotating shaft, 7, valve. DETAILED DESCRIPTION

[0058] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying such entity or action are in any way prior or posterior in time or order. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0059] The features and performance of this utility model will be further described in detail below with reference to the embodiments.

[0060] Example 1

[0061] This utility model provides a photovoltaic panel cleaning machine, please refer to the following: Figure 1 As shown, it includes: a handle 1, a mounting bracket 2, and a cleaning disc 3, wherein,

[0062] Please refer to this section. Figure 2 As shown, one end of the handle 1 is connected to the mounting frame 2, specifically to the housing 20 of the mounting frame 2. A water pipe 4 is provided on the handle 1, and a nozzle 5 connected to the water pipe 4 is provided on the mounting frame 2. The handle 1 is also provided with a regulating valve 7 for adjusting the amount of water sprayed from the water pipe 4. The connection structure and implementation of the nozzle 5, the regulating valve 7, and the water pipe 4 are existing technologies and will not be described in detail here.

[0063] The mounting bracket 2 includes a housing 20, a drive motor (not shown in the figure) installed in the housing 20, and a mounting plate 21 connected to the output end of the drive motor;

[0064] Please refer to this section. Figure 3 and Figure 4 As shown, the mounting plate 21 has a positioning groove 210 extending axially along the end opposite to the grip 1. In this embodiment, the mounting plate 21 is a hollow cylinder with an open bottom. The positioning groove 210 is the hollow area inside the mounting plate 21. Please refer to [the diagram / reference here]. Figure 7 As shown, the inner wall of the positioning groove 210 has at least one limiting groove 211 extending radially along the mounting plate 21;

[0065] The cleaning disc 3 includes a disc body 30 and a positioning ring 31 that are both circular and connected. The specific structure of the cleaning disc 3 is a large disc with an empty central area facing the mounting disc 21, and the central area protrudes towards the mounting disc 21 to form the positioning ring 31.

[0066] The positioning ring 31 is slidably connected to the mounting plate 21 through the positioning groove 210. At least one positioning element 33 is slidably connected to the ring side of the positioning ring 31 along its radial direction. One end of the positioning element 33 is located in the central hollow part of the positioning ring 31, and the other end of the positioning element 33 can slide into the limiting groove 211.

[0067] The end face of the disc body 30 opposite to the positioning ring 31 is provided with a brush 32 or a dry cloth. It should be understood that when this device is used, two cleaning discs 3 are provided. The end face of the disc body 30 of one cleaning disc 3 is provided with a brush 32, and the end face of the disc body 30 of the other cleaning disc 3 is provided with a dry cloth.

[0068] The technical scheme provided by the utility model has at least the following beneficial effects:

[0069] Through the above structure, when in use, the water pipeline 4 is opened, at this time, the nozzle 5 can spray water to assist the brush 32 on the disc body 30 to clean, the driving motor drives the installation disc 21 to rotate, at the same time, the positioning ring 31 rotates together with the transmission between the positioning member 33 and the limiting groove 211, and further drives the brush 32 to rotate, because the centrifugal force is outward when the cleaning disc 3 rotates, at this time, the positioning member 33 in the limiting groove 211 is more difficult to come out, at this time, the staff can clean the surface of the photovoltaic panel by holding the handle 1;

[0070] After cleaning, the driving motor and the water pipeline 4 are closed, the positioning member 33 can be manually slid to slide towards the axial position of the positioning ring 31, until the positioning member 33 is separated from the limiting groove 211, the cleaning disc 3 and the installation disc 21 can be unlocked, then the cleaning disc 3 is slid away from the installation disc 21 to separate the cleaning disc 3 and the installation disc 21, after that, the cleaning disc 3 provided with dry cloth is slid into the installation disc 21, and the cleaning disc 3 and the installation disc 21 are connected through the cooperation of the positioning member 33 and the limiting groove 211, at the same time, the driving motor is started to wipe the surface of the photovoltaic panel by using the cleaning disc 3 provided with dry cloth;

[0071] Obviously, compared with the prior art, the cleaning disc 3 can be quickly and conveniently disassembled to replace the brush 32 and dry cloth, and then the photovoltaic panel can be sequentially cleaned by using the same device, the staff can wipe the photovoltaic panel more simply and quickly by replacing the cleaning disc 3 provided with dry cloth, the labor intensity of the staff is reduced, and the work efficiency is improved.

[0072] Specifically, the positioning member 33 comprises a positioning sliding block 331 and an elastic member 332, wherein,

[0073] Here, please refer to Figure 5 and Figure 7 It is shown that the side surface of the positioning ring 31 is provided with a sliding groove penetrating along the radial direction thereof, the positioning sliding block 331 is slidably connected in the sliding groove, the elastic member 332 extends along the radial direction of the positioning ring 31, one end of the elastic member 332 is connected with the positioning sliding block 331, the other end of the elastic member 332 is connected with the positioning ring 31, and the specific arrangement mode of the elastic member 332 can refer to Figure 6 It is shown that the spring installation grooves are arranged on both sides of the positioning sliding block 331, the spring is arranged in the spring installation groove, the spring installation groove is also slidably connected in the sliding groove, and is connected with the positioning ring 31, and further the positioning sliding block 331 is always extruded away from the axial direction of the positioning ring 31 by the elastic force of the spring;

[0074] The elastic member 332 is arranged to always press the positioning slider 331 towards the outside of the positioning ring 31, so that the positioning ring 31 can be stably connected with the mounting disc 21.

[0075] Specifically, the positioning slider 331 further comprises a positioning step 333, and the positioning ring 31 is provided with a stepped surface for abutting against the positioning step 333 to limit the sliding of the positioning slider 331.

[0076] The positioning step 333 is arranged to avoid the positioning slider 331 from being pulled out due to excessive force when the worker slides the positioning slider 331 to disassemble the cleaning disc 3 and the mounting disc 21.

[0077] Specifically, the positioning slider 331 is provided with a hollow groove 334 at one end of the axis of the positioning ring 31, and the hollow groove 334 is open at one end away from the mounting disc 21.

[0078] The hollow groove 334 can greatly facilitate the pulling of the positioning slider 331 to slide out of the limiting groove 211.

[0079] Specifically, the number of the limiting grooves 211 is 2, 3, 4 or 5, and the embodiment is described by taking 4 as an example. The limiting grooves 211 are distributed circumferentially along the positioning groove 210, and the number of the positioning members 33 is the same as that of the limiting grooves 211. The positioning members 33 are distributed circumferentially along the positioning ring 31.

[0080] The limiting grooves 211 and the positioning members 33 are arranged in the above-mentioned number, which can enhance the connection between the cleaning disc 3 and the mounting disc 21, and also ensure that the worker can conveniently replace the cleaning disc 3 by single-handed operation.

[0081] Specifically, the outer ring side surface of the mounting disc 21 is provided with a positioning lug 212, and at least part of the limiting grooves 211 is located in the positioning lug 212.

[0082] The positioning lug 212 is arranged to increase the length of the limiting grooves 211 to ensure that the positioning slider 331 has sufficient contact area with the mounting disc 21, thereby reducing the size of the mounting disc 21, reducing the weight of the mounting rack 2, and facilitating the operation of the worker.

[0083] Specifically, the spray head 5 is arranged on the end surface of the mounting disc 21 facing the brush 32.

[0084] The spray head 5 is arranged on the above-mentioned end surface to face the surface of the photovoltaic panel to increase the washing effect, and of course, the spray head 5 can also be arranged on the housing 20 for convenient installation.

[0085] Specifically, the inner wall surface of the positioning groove 210 is provided with a key groove extending along the axial direction thereof, and the outer wall surface of the positioning ring 31 is provided with a positioning key for sliding in the key groove, neither of which is shown in the drawings.

[0086] By the positioning key and the key groove, on the one hand, the transmission effect of the mounting disc 21 and the cleaning disc 3 can be enhanced, and on the other hand, the staff can align the positioning sliding block 331 with the limiting groove 211.

[0087] Specifically, the handle 1 is a telescopic rod.

[0088] The telescopic rod can adapt to different environments and different types of photovoltaic panels, and the staff can adjust the length of the handle 1 according to the actual situation.

[0089] Specifically, the handle 1 is rotatably connected to the mounting frame 2 at the end connected to the mounting frame 2, as shown in Figure 2 The right end of the handle 1 is rotatably connected to one end of the mounting frame 2 through a rotating shaft 6 extending radially along the handle 1, at this time, the mounting disc 21 and the cleaning disc 3 can be rotated through the rotating shaft 6 to adjust the angle between them and the handle 1.

[0090] Through the above-mentioned rotating connection, the staff can conveniently clean the surface of the photovoltaic panel to ensure that the end surface of the brush 32 of the disc body 30 can always face the surface of the photovoltaic panel.

[0091] The specific working process of the utility model is as follows:

[0092] In use, the water pipeline 4 and the driving motor are opened, at this time, the spray head 5 can spray water to assist the brush 32 on the disc body 30 in cleaning, the driving motor drives the mounting disc 21 to rotate, at the same time, the positioning ring 31 rotates together with the driving motor through the transmission between the positioning sliding block 331 and the limiting groove 211, and further drives the brush 32 to rotate, since the centrifugal force is outward when the cleaning disc 3 rotates, at this time, the positioning member 33 in the limiting groove 211 is more difficult to come out, at this time, the staff can hold the handle 1 to clean the surface of the photovoltaic panel;

[0093] After cleaning is completed, the driving motor and the water pipeline 4 are closed, the fingers are buckled into different air slots 334, and are inwardly gathered, all the positioning sliding blocks 331 can be slid towards the axial position of the positioning ring 31 until they are separated from the limiting groove 211, the unlocking of the cleaning disc 3 and the mounting disc 21 can be completed, then the cleaning disc 3 configured with dry cloth is slid into the mounting disc 21, and the two are connected through the cooperation of the positioning member 33 and the limiting groove 211, at the same time, the driving motor is started to use the cleaning disc 3 with dry cloth to wipe the surface of the photovoltaic panel;

[0094] Obviously, compared with the prior art, the present patent can quickly and conveniently disassemble and clean the cleaning disc 3 to replace the brush 32 and the dry cloth, thereby realizing the sequential completion of the cleaning of the photovoltaic panel through the same device. By replacing the cleaning disc 3 with the dry cloth, the worker can more simply and quickly wipe the photovoltaic panel, thereby reducing the labor intensity of the worker and improving the work efficiency.

[0095] The above-described embodiments only express the specific implementation of the present application, and the description is more specific and detailed, but it cannot be understood as a limitation on the protection scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, without departing from the technical concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application.

[0096] This background section is provided to generally present the context of the present application, the work of the current named inventors, the work described in this background section to the extent described in this section, and the description of this section at the time of application, neither explicitly nor implicitly, is recognized as prior art of the present application.

Claims

1. A photovoltaic panel cleaning machine characterized in that, The utility model relates to a kind of cleaning device, including: Grip (1), mounting bracket (2) and cleaning tray (3);Wherein, water pipeline (4) is provided on the grip (1), and the mounting bracket (2) is equipped with the spray head (5) being communicated with the water pipeline (4); The mounting bracket (2) includes: housing (20), drive motor mounted in the housing (20) and mounting disc (21) connected with the output end of the drive motor, one end of the grip (1) is connected with the housing (20); The end of the mounting disc (21) away from the grip (1) is provided with a positioning groove (210) extending along the mounting disc (21) in the axial direction, and the inner wall surface of the positioning groove (210) is provided with at least one limiting groove (211) extending along the mounting disc (21) in the radial direction. The cleaning tray (3) includes: a disc body (30) and a positioning ring (31) connected in a circular ring shape, the positioning ring (31) is slidably connected with the mounting disc (21) through the positioning groove (210), and the ring side surface of the positioning ring (31) is slidably connected with at least one positioning piece (33) in the radial direction thereof, one end of the positioning piece (33) can be slid into the limiting groove (211). The end surface of the disc body (30) away from the positioning ring (31) is provided with a brush (32) or a dry cloth.

2. A photovoltaic panel cleaning machine according to claim 1, wherein, The positioning piece (33) includes: a positioning sliding block (331) and an elastic piece (332), wherein the positioning sliding block (331) is slidably connected to the ring side surface of the positioning ring (31) in the radial direction of the positioning ring (31), the elastic piece (332) extends in the radial direction of the positioning ring (31), one end of the elastic piece (332) is connected with the positioning sliding block (331), and the other end of the elastic piece (332) is connected with the positioning ring (31).

3. A photovoltaic panel cleaning machine according to claim 2, wherein, The positioning sliding block (331) further includes: a positioning step (333), the positioning ring (31) is provided with a stepped surface, and the stepped surface is used to abut against the positioning step (333) to limit the sliding of the positioning sliding block (331).

4. A photovoltaic panel cleaning machine according to claim 2, wherein, One end of the positioning sliding block (331) towards the axis of the positioning ring (31) is provided with a hollow groove (334) opening away from the mounting disc (21).

5. A photovoltaic panel cleaning machine according to claim 4, wherein, The number of limiting grooves (211) is 2, 3, 4 or 5, each limiting groove (211) is distributed in the circumferential direction of the positioning groove (210), and the number of positioning pieces (33) is the same as that of limiting grooves (211), each positioning piece (33) is distributed in the circumferential direction of the positioning ring (31).

6. A photovoltaic panel cleaning machine according to claim 2, wherein, The outer ring side surface of the mounting disc (21) is provided with a positioning lug (212), and at least part of the limiting grooves (211) is located in the positioning lug (212).

7. A photovoltaic panel cleaning machine according to claim 1, wherein, The spray head (5) is provided on the end surface of the mounting disc (21) towards the brush (32).

8. A photovoltaic panel cleaning machine according to claim 1, wherein, The inner wall surface of the positioning groove (210) is provided with a key groove extending in the axial direction thereof, and the outer wall surface of the positioning ring (31) is provided with a positioning key for sliding in the key groove.

9. A photovoltaic panel cleaning machine according to claim 1, wherein, The grip (1) is a telescopic rod.

10. A photovoltaic panel cleaning machine according to claim 1, wherein, The handle (1) is pivotally connected to the mounting bracket (2) at one end thereof.

Images