CN115156119A

CN115156119A - Cleaning equipment for photovoltaic power plant

Info

Publication number: CN115156119A
Application number: CN202210882521.9A
Authority: CN
Inventors: 曾青桂; 张冬梅; 曾小威; 曾辉
Original assignee: Dongguan Xifu Electric Technology Co ltd
Current assignee: Dongguan Xifu Electric Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-10-11

Abstract

The invention relates to the technical field of photovoltaic power generation corollary equipment, and particularly discloses cleaning equipment for a photovoltaic power station; the cleaning machine comprises cleaning rollers, a moving machine frame and a water storage tank, wherein guide sliding grooves are formed in the front inner wall and the rear inner wall of the moving machine frame, transverse bar arms extending out of the left end face and the right end face of the moving machine frame are arranged on the two guide sliding grooves, racks are arranged on opposite faces of the two transverse bar arms, a stretching motor is arranged on the upper surface of the moving machine frame, a gear is connected to the end, extending into an inner cavity of the moving machine frame, of an output shaft of the stretching motor, the outer end of each transverse bar arm is connected with a mounting plate, a cleaning motor is arranged at the lower end of the outer side face of each mounting plate, a cleaning roller is connected to the output shaft of each cleaning motor, and the two cleaning rollers are arranged in a staggered mode from front to back; this photovoltaic power plant can carry out automatically regulated according to the condition when carrying out the surface clearance to the photovoltaic power plant of different width sizes, its extensive applicability, and the walking stability of whole equipment is high simultaneously, has improved the clean effect of cleaning device to the photovoltaic board surface.

Description

Cleaning equipment for photovoltaic power plant

Technical Field

The invention relates to the technical field of photovoltaic power generation corollary equipment, and particularly discloses cleaning equipment for a photovoltaic power station.

Background

With the continuous growth of the photovoltaic market, domestic centralized photovoltaic power stations and large photovoltaic energy bases are rapidly developed. Because the photovoltaic power station is installed outdoors, dust is easy to fall on the light receiving surface of the photovoltaic panel, and if the dust is not cleaned in time, dirt is easy to form, so that the power generation efficiency of the photovoltaic power station is influenced, and the service life of the photovoltaic power station is also shortened.

At present photovoltaic power plant's cleanness mainly divide into artifical clean and mechanized self-cleaning, earlier leads to pipe when artifical clean to spray the washing liquid to the photovoltaic board surface, then uses the brush of scraping to clean, and it is not only clean inefficiency, and intensity of labour is great moreover, need drop into a large amount of human costs. The mechanical automatic cleaning is to use related cleaning equipment to walk on the surface of the photovoltaic panel, and cleaning liquid and brushes rotating at high speed are sprayed to remove dust on the surface of the photovoltaic panel in the walking process, so that the mechanical automatic cleaning has the advantage of high cleaning efficiency.

For example, the invention patent with the application number of CN2015103004583 discloses a photovoltaic power station cleaning device, which comprises a transverse moving frame arranged on the upper side and the lower side of a photovoltaic array, a longitudinal moving frame arranged on the transverse moving frame, a rolling brush cleaning device connected on the longitudinal moving frame, a transverse driving device connected on the transverse moving frame, a longitudinal driving device connected on the longitudinal moving frame, a rolling brush cleaning device connected on the longitudinal moving frame, and a rolling brush cleaning device lifting mechanism arranged on the longitudinal moving frame. Although this photovoltaic power plant belt cleaning device has realized photovoltaic module's the washing of having the water round brush, full automatic operation can be realized to the during operation, use manpower sparingly, improve the clean effect in photovoltaic power plant, this photovoltaic power plant belt cleaning device can only walk cleanly to the photovoltaic board subassembly of single width, it is different to be subject to the width that various influence factors lead to the photovoltaic board, some photovoltaic boards only set up a photovoltaic board on the width direction, and probably set up polylith photovoltaic board on some photovoltaic board its width, therefore this photovoltaic power plant belt cleaning device is not applicable to all photovoltaic power plant clearance at the in-service use in-process. In addition, this photovoltaic power plant belt cleaning device's running gear is one-way drive, and in addition photovoltaic board slope device leads to belt cleaning device walking unstability easily to the clean effect to photovoltaic board surface has been influenced. Consequently, to the above-mentioned technical problem that current photovoltaic power plant belt cleaning device exists, this application provides a cleaning equipment for photovoltaic power plant that can effectively solve above-mentioned technical problem.

Disclosure of Invention

The invention aims to provide cleaning equipment for a photovoltaic power station, and aims to solve the problems of low cleaning efficiency, high labor intensity, low applicability and unstable walking of the conventional mechanical cleaning equipment in the conventional cleaning process.

The invention is realized by the following technical scheme:

a cleaning device for a photovoltaic power station comprises a cleaning roller, a moving machine frame and a water storage tank, wherein guide sliding grooves are formed in the front inner wall and the rear inner wall of the moving machine frame, transverse bar arms extending out of the left end face and the right end face of the moving machine frame respectively are arranged on the two guide sliding grooves in a sliding mode, racks are arranged on opposite faces of the two transverse bar arms, a stretching motor is arranged in the center of the upper surface of the moving machine frame, a gear is connected to the end portion, extending into the inner cavity of the moving machine frame, of an output shaft of the stretching motor, and the front end and the rear end of the gear are meshed with the two racks respectively;

the outer end of each transverse bar arm is connected with a mounting plate, the two mounting plates extend in tandem, the lower end of the outer side surface of each mounting plate is provided with a cleaning motor, an output shaft of each cleaning motor is connected with a cleaning roller, the two cleaning rollers are arranged in a staggered manner from front to back, each mounting plate extends downwards to form a wheel frame plate, the upper traveling wheel and the lower positioning wheel are symmetrically arranged on the wheel frame plate from top to bottom, and the upper traveling wheel and a roller shaft of the cleaning roller are connected through a transmission belt;

the storage water tank sets up the upper surface at the mobile frame, be provided with the transfer pump on the storage water tank, the play liquid end of transfer pump is connected with the shower assembly, the both ends of shower assembly respectively with two mounting panel fixed connection, be located two shower assembly lower surface interval is provided with a plurality of shower nozzles between the mounting panel.

As a further arrangement of the above scheme, each of the horizontal bar arms is connected with a guide rail bar matched with the guide sliding groove on the side surface facing the corresponding guide sliding groove.

As a further arrangement of the scheme, the front outer side face and the rear outer side face of the moving machine frame are both connected with horizontal strips, horizontal sliding grooves are formed in the horizontal strips, each horizontal sliding groove is internally provided with a roller shaft seat in a sliding mode, and the free end of the cleaning roller is rotatably connected with a bearing in the corresponding roller shaft seat.

As a further arrangement of the above scheme, the outer side surface of the lower end of the wheel frame plate is connected with a vertical block, a vertical sliding groove is formed in the vertical block, a moving block is slidably arranged in the vertical sliding groove, a wheel shaft of the lower positioning wheel is rotatably connected with a bearing in the moving block, the lower surface of the vertical block is in threaded connection with an adjusting screw rod extending into the vertical sliding groove, the top end of the adjusting screw rod is movably connected with the lower surface of the moving block, and the lower end of the adjusting screw rod is connected with a hand wheel.

In the specific arrangement of the scheme, the outer end of the wheel shaft of the upper traveling wheel is provided with a driven belt wheel, the roll shaft of the cleaning roll is provided with a driving belt wheel, and the transmission belt is arranged between the driving belt wheel and the driven belt wheel.

As a further arrangement of the scheme, movable carrier wheel assemblies are arranged at the left end and the right end of the lower surface of the moving machine frame.

As the concrete setting of above-mentioned scheme, symmetrical connection is two at two connecting pieces of mobile frame lower surface around movable riding wheel subassembly includes all to rotate on the connecting piece and be connected with the movable rod, two the movable rod is the splayed setting, and is connected with spring part, every between two movable rods the lower extreme of movable rod all rotates and is connected with the gyro wheel.

As the concrete setting of above-mentioned scheme, the shower subassembly includes the flexible pipe of feed liquor that is connected with the transfer pump, with two mounting panel fixed connection's hard pipe and set up at the flexible pipe that sprays of mobile frame below, a plurality of the equidistant setting of shower nozzle is at the lower extreme that sprays flexible pipe.

As a further arrangement of the scheme, the upper surface of the water storage tank is connected with a water adding pipe, and the water storage tank is further provided with a liquid level meter which is convenient for observing the liquid level inside.

As the further setting of above-mentioned scheme, still include the battery, battery and storage water tank set up respectively in the removal frame upper surface of extending the motor left and right sides, and still are provided with charging socket on the battery.

Has the beneficial effects that:

1) When the cleaning equipment disclosed by the invention is used for cleaning the surfaces of photovoltaic power stations with different width sizes, the stretching motor is controlled to rotate, then the two cross bar arms move backwards and unfold under the meshing transmission of the gear and the rack, and because the cleaning roller is arranged on the mounting plate at the end part of each cross bar arm, the effective cleaning width of the cleaning roller is increased in the unfolding process, so that the cleaning requirements of the surfaces of different photovoltaic power stations are met; simultaneously in addition the flexible setting of shower subassembly for two horizontal bar arms also increase thereupon and satisfy the demand expanding the length of in-process shower, the shower nozzle that evenly arranges sprays out the cleaning fluid and washes photovoltaic board surface, washes the effect of brushing of in-process recombination cleaning roller, can effectively guarantee the clean effect to photovoltaic power plant.

2) According to the invention, the upper travelling wheel and the lower positioning wheel are arranged at the lower end of the mounting plate provided with the cleaning roller, when the whole cleaning equipment is mounted on a photovoltaic plate, the frame of the photovoltaic plate is clamped between the upper travelling wheel and the lower positioning wheel, and meanwhile, the upper travelling wheel and the roller shaft of the cleaning roller are synchronously driven through a belt, so that the whole cleaning equipment can automatically travel in the rotation process of the cleaning roller, a power source is not required to be additionally arranged to drive the equipment to move, and the processing cost and the electric energy loss of the equipment are reduced; in addition, the lower positioning wheel can adjust the distance between the lower positioning wheel and the upper traveling wheel through the adjusting screw rod, so that the upper traveling wheel and the lower positioning wheel can clamp the frame of the photovoltaic panel tightly, the deviation or slippage in the moving process of the cleaning equipment is prevented, the stable traveling of the whole cleaning equipment is effectively ensured, and the cleaning effect of the cleaning equipment on the surface of the photovoltaic panel is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a first angular perspective structure of the present invention;

FIG. 2 is a schematic perspective view of a second embodiment of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the mobile machine frame, the water storage tank, the storage battery and the like in the invention;

FIG. 4 is a schematic diagram of the internal three-dimensional structure of the mobile frame according to the present invention;

FIG. 5 is a schematic view of a first angle perspective structure of a horizontal arm, a cleaning roller and the like in the present invention;

FIG. 6 is a schematic view of a second angle perspective structure of the horizontal arm, the cleaning roller, etc. of the present invention;

FIG. 7 is a schematic perspective view of the shower assembly of the present invention;

FIG. 8 is an enlarged view of the structure at A in FIG. 5;

FIG. 9 is an enlarged view of the structure of FIG. 6 at B according to the present invention;

FIG. 10 is an enlarged view of the structure of FIG. 2 at C.

Wherein:

1-cleaning roller, 2-moving machine frame, 201-guide chute, 202-horizontal bar, 203-roller shaft seat, 3-horizontal bar arm, 301-rack, 302-mounting plate, 304-wheel frame plate, 305-upper traveling wheel, 306-lower positioning wheel, 307-transmission belt, 308-guide bar, 309-vertical block, 3091-vertical chute, 310-moving block, 311-adjusting screw rod, 312-hand wheel, 313-driven pulley, 314-driving pulley, 4-extension motor, 401-gear, 5-water storage tank, 501-infusion pump, 502-water feeding pipe, 6-spray pipe assembly, 601-spray head, 602-liquid inlet telescopic pipe, 603-hard pipe, 604-spray telescopic pipe, 7-movable carrier assembly, 701-connecting piece, 702-movable rod, 703-spring piece, 704-roller, 8-storage battery, 801-charging socket.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 10, in conjunction with embodiments.

Example 1

Embodiment 1 discloses a cleaning equipment for photovoltaic power plant, refer to fig. 1, fig. 2 and fig. 3, and the main part of this cleaning equipment includes cleaning roller 1, mobile machine frame 2, storage water tank 5, battery 8 and shower subassembly 6. Wherein, with storage water tank 5, battery 8 fixed setting respectively in both ends about mobile machine frame 2 upper surface for weight evenly distributed between them is at both ends, guarantees whole mobile machine frame 2 gravity balance nature. In addition, in order to penetrate the liquid level in the water storage tank 5 in time, a liquid level meter (not shown) is further provided on the water storage tank 5, and a water supply pipe 502 is connected to the upper surface of the water storage tank 5. Meanwhile, in order to supplement electric energy to the storage battery 8, a charging socket 801 is further arranged on the storage battery 8, so that the storage battery 8 is charged conveniently.

Referring to fig. 4, 5 and 6, the inner walls all are provided with the guide chute 201 around the mobile frame 2, all slide on two guide chutes 201 and be provided with the crossband arm 3 to two crossband arms 3 stretch out the setting of the terminal surface about the mobile frame 2 respectively. In order to ensure the moving stability of the horizontal arm 3, a guide rail 308 matched with the guide chute 201 is connected to the side surface of each horizontal arm 3 facing the corresponding guide chute 201, and the horizontal arm 3 can move stably through the guide cooperation of the guide rail 308 and the guide chute 201, so that the horizontal arm 3 extends and unfolds from two end surfaces of the moving machine frame 2. All be provided with rack 301 on the opposite face of two horizontal bar arms 3 to upper surface center department at mobile frame 2 is provided with extension motor 4 (be located between storage water tank 5, the battery 8), should extend motor 7 for having self-locking function's direct current motor when specifically setting up, has gear 401 at the end connection that the output shaft that extends motor 4 stretches into mobile frame 2 inner chamber, and both ends mesh setting with two racks 301 respectively around gear 401. When the whole cleaning equipment is required to be installed on the photovoltaic panel, the stretching motor 7 can be controlled to rotate for certain number of turns or angle according to the whole width of the photovoltaic panel, and then the two cross bar arms 3 are extended, unfolded or shortened and adjusted from the two end faces of the moving machine frame 2 through the meshing transmission of the gear 401 and the rack 301, so that the use requirements of the photovoltaic panels with different sizes are met.

Referring to fig. 5, 6 and 8, a mounting plate 302 is attached to the outer end of each crossbar arm 3, and the mounting plates 302 attached to the outer ends of the two crossbar arms 3 extend forward and rearward one by one. In that

The lateral surface lower extreme of every mounting panel 302 all is provided with clearance motor 303, and this clearance motor 303 can select to use conventional direct current motor to all be connected with a cleaning roll 1 on the output shaft of every clearance motor 303, and dislocation set around two cleaning rolls 1. The two cleaning rollers 1 are rotated by the driving action of the cleaning motor 303, and dust covered on the surface of the photovoltaic panel is cleaned and removed by the bristles on the outer surfaces of the cleaning rollers 1 in the rotating process.

Meanwhile, each mounting plate 302 extends downwards to form a wheel frame plate 304, an upper traveling wheel 305 and a lower positioning wheel 306 are arranged on the wheel frame plate 304, the upper traveling wheel 305 and the lower positioning wheel 306 are symmetrically arranged up and down, and a wheel gap between the upper traveling wheel 305 and the lower positioning wheel 306 can clamp the outer frame of the photovoltaic panel to enable the outer frame to move along the outer frame of the photovoltaic panel. In order to realize the automatic walking of the whole cleaning device, the upper walking wheel 305 is connected with the roller shaft of the cleaning roller 1 through a transmission belt 307. Specifically, a driven pulley 313 is provided at the outer end of the wheel shaft of the upper traveling wheel 305, a driving pulley 314 is provided on the roller shaft of the cleaning roller 1, and then the transmission belt 307 is provided between the driving pulley 314 and the driven pulley 313. When the cleaning motor 303 drives the cleaning roller 1 to rotate, the upper traveling wheel 305 can rotate under the action of the transmission belt 307, so that the whole cleaning device travels along the upper surface of the photovoltaic panel.

Referring to fig. 3 and 7, an infusion pump 501 is disposed on the water storage tank 5, a shower assembly 6 is connected to an outlet end of the infusion pump 501, two ends of the shower assembly 6 are respectively fixedly connected to the two mounting plates 302, and a plurality of nozzles 601 are disposed at intervals on the lower surface of the shower assembly 6 between the two mounting plates 302. When the spraying pipe assembly 6 is specifically arranged, the spraying pipe assembly comprises a liquid inlet telescopic pipe 602 connected with the infusion pump 501, a hard pipe 603 fixedly connected with the two mounting plates 302 and a spraying telescopic pipe 604 arranged below the mobile machine frame 2, and a plurality of spray heads 601 are arranged at the lower end of the spraying telescopic pipe 604 at equal intervals. The shower assembly 6 of above-mentioned setting can expand or the in-process of accomodating is automatic to stretch out and draw back at horizontal arm 3 to its shower nozzle 601 homoenergetic of in-process that extends or shortens at the body sets up along the equidistant of the upper surface of photovoltaic board, makes its cleaning equipment in the walking in-process through the washing liquid of transfer pump 501 with storage water tank 5, then evenly spouts from every shower nozzle 601 and erodees, and the effect that reunion cleaning roller 1's effect of reunion can be automatic with the dust sanitization on photovoltaic board surface.

Example 2

Embodiment 2 discloses a cleaning device for photovoltaic power plant, refer to fig. 1, fig. 2 and fig. 3, and the main part of this cleaning device includes cleaning roller 1, mobile frame 2, storage water tank 5, battery 8 and shower subassembly 6. Wherein, with storage water tank 5, battery 8 respectively fixed setting at the left and right sides both ends of mobile machine frame 2 upper surface for weight evenly distributed between them guarantees whole mobile machine frame 2 gravity balance nature at both ends. In addition, in order to penetrate the liquid level in the water storage tank 5 in time, a liquid level meter (not shown in the figure) is further provided on the water storage tank 5, and a water adding pipe 502 is connected to the upper surface of the water storage tank 5. Meanwhile, in order to supplement electric energy to the storage battery 8, a charging socket 801 is further arranged on the storage battery 8, so that the storage battery 8 is charged conveniently.

Referring to fig. 4, 5 and 6, the inner walls all are provided with guide sliding grooves 201 around the mobile machine frame 2, and the horizontal bar arms 3 are arranged on the two guide sliding grooves 201 in a sliding manner, and the two horizontal bar arms 3 respectively extend out of the left and right end faces of the mobile machine frame 2. In order to ensure the stability of the movement of the horizontal arm 3, a guide rail 308 matched with the guide chute 201 is connected to the side surface of each horizontal arm 3 facing the corresponding guide chute 201, and the horizontal arm 3 can move horizontally and stably under the guide cooperation action of the guide rail 308 and the guide chute 201, so that the horizontal arm 3 extends and unfolds from two end surfaces of the moving machine frame 2. All be provided with rack 301 on the opposite face of two horizontal bar arms 3 to upper surface center department at mobile frame 2 is provided with extension motor 4 (is located between storage water tank 5, the battery 8), should extend motor 7 for the direct current motor who has self-locking function when specifically setting up, has gear 401 at the end connection that the output shaft that extends motor 4 stretches into mobile frame 2 inner chamber, and both ends mesh setting with two racks 301 respectively around gear 401. When the whole cleaning equipment is required to be installed on the photovoltaic panel, the stretching motor 7 can be controlled to rotate for certain number of turns or angle according to the whole width of the photovoltaic panel, and then the two cross bar arms 3 are extended, unfolded or shortened and adjusted from the two end faces of the moving machine frame 2 through the meshing transmission of the gear 401 and the rack 301, so that the use requirements of the photovoltaic panels with different sizes are met.

Referring to fig. 5, 6 and 8, a mounting plate 302 is attached to the outer end of each crossbar arm 3, and the mounting plates 302 attached to the outer ends of the two crossbar arms 3 extend one forward and one rearward. In that

The lateral surface lower extreme of every mounting panel 302 all is provided with clearance motor 303, and this clearance motor 303 can select to use conventional direct current motor to all be connected with a cleaning roll 1 on the output shaft of every clearance motor 303, and dislocation set around two cleaning rolls 1. The two cleaning rollers 1 are rotated by the driving action of the cleaning motor 303, and dust covered on the surface of the photovoltaic panel is cleaned and removed by the bristles on the outer surfaces of the cleaning rollers 1 in the rotating process. In order to guarantee the stability of the high-speed rotatory in-process of cleaning roller 1, this embodiment 2 still lateral surface all is connected with horizontal bar 202 around mobile frame 2, and horizontal spout has all been seted up on two horizontal bars 202, it is provided with roller axle bed 203 to all slide in every horizontal spout again, then the free end with the corresponding bearing rotation in roller axle bed 203 of cleaning roller 1 is connected, thereby make the free end of cleaning roller 1 receive the bearing effect, make it have higher stability at high-speed rotatory in-process, guarantee cleaning roller 1 to the clean effect on photovoltaic board surface.

In addition, in order to ensure that the upper traveling wheels 305 and the lower positioning wheels 306 can clamp the outer frame of the photovoltaic panel, and improve the traveling stability of the whole cleaning device under the driving of the upper traveling wheels 305 and the lower positioning wheels 306, the embodiment 2 further improves and designs the lower positioning wheels 306. Specifically, referring to fig. 9, in this embodiment, a vertical block 309 is connected to an outer side surface of a lower end of the wheel carrier plate 304, a vertical sliding groove 3091 is formed in the vertical block 309, a moving block 310 is slidably disposed in the vertical sliding groove 3091, and then a wheel shaft of the lower positioning wheel 306 is rotatably connected to a bearing in the moving block 310. The lower surface of the vertical block 309 is in threaded connection with an adjusting screw 311 extending into the vertical sliding groove 3091, the top end of the adjusting screw 311 is movably connected with the lower surface of the moving block 310, and then the lower end of the adjusting screw 311 is connected with a hand wheel 312. The above-mentioned design of lower locating wheel 306 in this embodiment 2 can be according to the actual conditions of photovoltaic panel frame, adjusts the movable block 310 through rotatory hand wheel 312 and removes along vertical spout 3091, and the upper and lower surface that can be totally with the photovoltaic panel frame is tight up to going up walking wheel 305 and lower locating wheel 306, does not take place the skew, then starts whole cleaning device again and can effectively improve the stability of cleaning device when walking along the photovoltaic panel, can not take place skew and slippage.

Referring to fig. 3 and 7, an infusion pump 501 is disposed on the water storage tank 5, a shower assembly 6 is connected to an outlet end of the infusion pump 501, two ends of the shower assembly 6 are respectively fixedly connected to the two mounting plates 302, and a plurality of nozzles 601 are disposed at intervals on the lower surface of the shower assembly 6 between the two mounting plates 302. In the specific arrangement, the spray pipe assembly 6 comprises a liquid inlet telescopic pipe 602 connected with the liquid delivery pump 501, a hard pipe 603 fixedly connected with the two mounting plates 302, and a spray telescopic pipe 604 arranged below the mobile machine frame 2, and a plurality of spray heads 601 are arranged at the lower end of the spray telescopic pipe 604 at equal intervals. Above-mentioned shower subassembly 6 that sets up can expand or stretch out and draw back automatically at the in-process that horizontal arm 3 expandes or accomodate to its shower nozzle 601 homoenergetic can be along the equidistant setting of the upper surface of photovoltaic board at the in-process that the body extension or shorten, makes its cleaning equipment in the walking in-process through the washing liquid of transfer pump 501 with storage water tank 5, then evenly spout from every shower nozzle 601 and erode, and the effect that combines cleaning roller 1 again can be with the dust sanitization on photovoltaic board surface.

Finally, referring to fig. 10, in the present embodiment 2, movable carrier roller assemblies 7 are further provided at both left and right ends of the lower surface of the moving machine frame 2. The structure of concrete movable riding wheel subassembly 7 includes that front and back symmetric connection is connected with two connecting pieces 701 on mobile frame 2 lower surface, all rotates on two connecting pieces 701 and is connected with movable rod 702 to two movable rod 702 are the splayed setting, then are connected with spring part 703 between two movable rod 702, and all rotate at the lower extreme of every movable rod 702 and are connected with gyro wheel 704. This movable idler wheel subassembly 7 set up can be at the in-process of cleaning device walking for gyro wheel 704 plays the supporting effect to moving machine frame 2 with the upper surface looks butt of photovoltaic board, prevents because of storage water tank 5, battery 8 weight are too big, directly collapses the upper surface at the photovoltaic board.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cleaning equipment for photovoltaic power plant, includes cleaning roller (1), mobile frame (2) and storage water tank (5), its characterized in that, the inner wall all is provided with direction spout (201) around mobile frame (2), two slide on direction spout (201) and be provided with horizontal bar arm (3) that stretches out terminal surface about mobile frame (2) respectively, two all be provided with rack (301) on the opposite face of horizontal bar arm (3), the upper surface center department of mobile frame (2) is provided with extension motor (4), the end connection that the output shaft of extension motor (4) stretched into mobile frame (2) inner chamber has gear (401), and both ends mesh setting with two rack (301) respectively around gear (401);

the outer end of each transverse bar arm (3) is connected with a mounting plate (302), the two mounting plates (302) extend in tandem, the lower end of the outer side face of each mounting plate (302) is provided with a cleaning motor (303), the output shaft of each cleaning motor (303) is connected with a cleaning roller (1), the two cleaning rollers (1) are arranged in a staggered mode from front to back, a wheel frame plate (304) extends downwards from each mounting plate (302), an upper travelling wheel (305) and a lower positioning wheel (306) are symmetrically arranged on the upper portion and the lower portion of the wheel frame plate (304), and the upper travelling wheel (305) and the roller shaft of the cleaning roller (1) are connected through a transmission belt (307);

storage water tank (5) set up the upper surface at mobile machine frame (2), be provided with infusion pump (501) on storage water tank (5), the play liquid end of infusion pump (501) is connected with shower assembly (6), the both ends of shower assembly (6) are located two with two mounting panel (302) fixed connection respectively shower assembly (6) lower surface interval is provided with a plurality of shower nozzles (601) between mounting panel (302).

2. Cleaning device for photovoltaic plants according to claim 1, characterized in that on the side of each of the crossbar arms (3) facing the corresponding guide runner (201) there is connected a guide rail (308) matching the guide runner (201).

3. The cleaning device for the photovoltaic power plant of claim 2, characterized in that the front and back lateral surfaces of the mobile machine frame (2) are connected with horizontal strips (202), two horizontal sliding grooves are formed in the horizontal strips (202), a roller shaft seat (203) is arranged in each horizontal sliding groove in a sliding manner, and the free end of the cleaning roller (1) is rotatably connected with a bearing in the corresponding roller shaft seat (203).

4. The cleaning device for the photovoltaic power station as claimed in claim 1, wherein a vertical block (309) is connected to the outer side face of the lower end of the wheel frame plate (304), a vertical sliding groove (3091) is formed in the vertical block (309), a moving block (310) is arranged in the vertical sliding groove (3091) in a sliding manner, a wheel shaft of the lower positioning wheel (306) is rotatably connected with a bearing in the moving block (310), an adjusting screw (311) extending into the vertical sliding groove (3091) is in threaded connection with the lower surface of the vertical block (309), the top end of the adjusting screw (311) is movably connected with the lower surface of the moving block (310), and a hand wheel (312) is connected to the lower end of the adjusting screw (311).

5. The cleaning apparatus for photovoltaic power plants as claimed in claim 1, characterized in that the outer end of the axle of the upper travelling wheel (305) is provided with a driven pulley (313), the roll shaft of the cleaning roll (1) is provided with a driving pulley (314), and the drive belt (307) is arranged between the driving pulley (314) and the driven pulley (313).

6. Cleaning apparatus for photovoltaic power plants according to claim 1 characterized in that the mobile machine frame (2) is provided with movable idler assemblies (7) at both the left and right ends of its lower surface.

7. The cleaning equipment for the photovoltaic power station as defined in claim 6, wherein the movable carrier wheel assembly (7) comprises two connecting pieces (701) symmetrically connected to the lower surface of the moving machine frame (2) in a front-back manner, two movable rods (702) are rotatably connected to the two connecting pieces (701), two movable rods (702) are arranged in a splayed manner, a spring part (703) is connected between the two movable rods (702), and each movable rod (702) is rotatably connected to a roller (704) at the lower end.

8. Cleaning equipment for photovoltaic power plant according to claim 1, characterized in that the spray pipe assembly (6) includes a liquid inlet telescopic pipe (602) connected with the infusion pump (501), a hard pipe (603) fixedly connected with two mounting plates (302) and a spray telescopic pipe (604) arranged below the mobile machine frame (2), and a plurality of spray heads (601) are arranged at the lower end of the spray telescopic pipe (604) at equal intervals.

9. The cleaning equipment for the photovoltaic power station as recited in claim 8, characterized in that the upper surface of the water storage tank (5) is connected with a water adding pipe (502), and a liquid level meter for conveniently observing the internal liquid level is further arranged on the water storage tank (5).

10. The cleaning equipment for photovoltaic power plant of claim 1, characterized by further comprising a storage battery (8), wherein the storage battery (8) and the water storage tank (5) are respectively arranged on the upper surfaces of the moving machine frames (2) at the left and right sides of the stretching motor (4), and a charging socket (801) is further arranged on the storage battery (8).