CN219145303U - Photovoltaic board supporting base that supporting angle can be changed - Google Patents

Abstract

The utility model discloses a photovoltaic panel supporting base with a changeable supporting angle, and relates to the technical field of photovoltaic panels. The photovoltaic panel cleaning device comprises a photovoltaic panel main body, a supporting base main body and a driving assembly, wherein the photovoltaic panel main body is arranged on the upper side of the supporting base main body, anti-collision air bags are arranged on the periphery and the bottom side of the photovoltaic panel main body, first cleaning brushes are clamped on two sides of the supporting base main body, connecting frames are clamped at two ends of the supporting base main body in a rotating mode, the driving assembly is arranged at one end of the supporting base main body, and a sliding block is rotatably connected on one side of the driving assembly. According to the utility model, through the photovoltaic panel main body, the supporting base main body and the driving assembly, the problems that when the photovoltaic panel supporting base with the changeable supporting angle is in actual use, gaps between the photovoltaic panel with the adjustable supporting angle and the ground or the roof are large, damage is easily caused by external impact, sundries such as branches and fallen leaves are easily accumulated around the supporting base, and a user is required to clean at regular time are solved.

Description

Photovoltaic board supporting base that supporting angle can be changed

Technical Field

The utility model belongs to the technical field of photovoltaic panels, and particularly relates to a photovoltaic panel supporting base with a changeable supporting angle.

Background

The photovoltaic panel, also called solar cell, is a photoelectric semiconductor thin sheet which directly generates electricity by utilizing sunlight, is the most important part in a solar power generation system, and mainly comprises toughened glass, EVA, a battery piece, a back plate, an aluminum alloy frame and the like, can provide energy sources for mobile phones, computers and the like, can also supply power for houses, is a clean energy source, and is characterized in that when the photovoltaic panel is installed, in order to better perform photoelectric conversion, the damage probability of the photovoltaic panel is reduced, a support base is usually required to be installed at a fixed position, the photovoltaic panel is fixedly connected with the support base through the photovoltaic panel, so that the support base supports the photovoltaic panel, most of the support bases can adjust the angle of the support, the photovoltaic panel can better receive illumination when the photovoltaic panel is used, the photoelectric conversion efficiency is improved, but the photovoltaic panel still has the following defects in actual use:

1. the utility model with the publication number of CN216819765U discloses a photovoltaic panel supporting base, one end of a bottom plate is hinged with a supporting plate, a supporting rod is hinged on the bottom plate, one end, close to the supporting plate, of the supporting rod is hinged with the supporting plate, the supporting rod is of a telescopic structure with adjustable length, the photovoltaic panel supporting base can adjust the installation angle of a photovoltaic panel according to the angle of illumination, so that the effect of receiving illumination by the photovoltaic panel is improved, but in actual use, the gap between the photovoltaic panel and the ground or roof after the installation angle is adjusted by the supporting base is larger, the damage risk caused by external force impact is larger, and the maintenance cost is increased;

2. the photovoltaic board supports the base and often only has the supporting function to the photovoltaic board, owing to support the base and exist certain volume, pile up debris such as branch, fallen leaves easily around supporting the base when using, need the user to clear up regularly, and the photovoltaic board can cause certain shielding to supporting the base, and the personnel of being inconvenient for cleans, uses comparatively inconveniently.

Disclosure of Invention

The utility model aims to provide a photovoltaic panel supporting base with a changeable supporting angle, which solves the problems that when the photovoltaic panel supporting base with the changeable supporting angle is in actual use, gaps between a photovoltaic panel with the adjustable supporting angle and the ground or a roof are large, damage is easily caused by external force impact, sundries such as branches, fallen leaves and the like are easily accumulated around the supporting base, a user is required to clean at regular time, and the use is inconvenient.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a photovoltaic panel supporting base with changeable supporting angle, which comprises a photovoltaic panel main body, a supporting base main body and a driving component, wherein the photovoltaic panel main body is arranged on the upper side of the supporting base main body, anti-collision air bags are arranged on the periphery and the bottom side of the photovoltaic panel main body, the anti-collision air bags can be inflated and extruded on the periphery and the bottom side of the outer side of the photovoltaic panel main body through inflating the anti-collision air bags, the photovoltaic panel main body is subjected to anti-collision protection, the probability of damage caused by accidents in use is reduced, first cleaning brushes are clamped on two sides of the supporting base main body, connecting frames are clamped on two ends of the supporting base main body in a rotating way, when sundries are accumulated around the supporting base main body, the first cleaning brushes can be enabled to be accumulated on one place through controlling the movement of the supporting base main body, the probability of damage caused by accidents is further reduced, the cleaning efficiency is improved through the connecting frames, one end of the supporting base main body is provided with a driving component, and a driving component is rotatably connected with a driving screw rod to drive the inner side of the supporting base main body to rotate, and the photovoltaic panel is driven by the driving component to rotate around the driving screw rod, and the photovoltaic panel is further convenient to clean.

Further, a photovoltaic plate outer frame is fixedly clamped at the bottom side of the photovoltaic plate main body, the anti-collision air bags are clamped at the periphery and the bottom side of the photovoltaic plate outer frame, one side of each anti-collision air bag is fixedly clamped with an air inlet one-way valve, and one side of each anti-collision air bag is penetrated and spirally connected with an air exhaust knob;

when the photovoltaic panel main body is installed, the anti-collision air bags can be inflated and extruded at the periphery and the bottom end of the outer frame of the photovoltaic panel by inflating the air inlet check valve, so that the anti-collision air bags can release stress generated by impact when the photovoltaic panel main body is used, the damage probability of the photovoltaic panel main body is reduced, and the maintenance cost is reduced.

Further, connecting screws are welded and fixed on the periphery of the bottom side of the outer frame of the photovoltaic panel, the connecting screws penetrate and are inserted into the upper side of the anti-collision air bag, and two nuts are screwed on the peripheral surface of one connecting screw from top to bottom;

can fix between photovoltaic board frame and the connecting plate through screwing a plurality of nuts, easy operation is convenient, reduces the installation degree of difficulty.

Further, a supporting tube is welded and fixed on the upper side of the supporting base main body, an air cylinder is clamped on the inner side of the supporting tube, a connecting tube is clamped on the upper end of the peripheral surface of the supporting tube in a sliding manner, the upper end of the air cylinder is clamped on the bottom end of the inner side of the connecting tube, a first rotating motor is clamped on the upper end of the inner side of the connecting tube, a rotating shaft is clamped on the upper side of the rotating shaft, a connecting plate is clamped on one end of the bottom side of the connecting plate, a second rotating motor is clamped and fixed on one side of the rotating shaft, through holes are formed in the periphery of the upper side of the connecting plate in a penetrating manner, connecting screws are inserted on the inner side of the through holes in a penetrating manner, and two nuts are respectively attached to the upper side and the lower side of the connecting plate;

can drive the reciprocates of connecting plate and photovoltaic board main part through the cylinder, can drive connecting plate and photovoltaic board main part through first rotation motor and rotate in the horizontal direction, can drive connecting plate and photovoltaic board main part through the second rotation motor and rotate in vertical direction, be convenient for adjust suitable position and angle with photovoltaic board main part, improve photoelectric conversion efficiency.

Further, universal wheels are rotationally clamped around the bottom side of the supporting base main body, the bottom end of the connecting frame is fixedly clamped with a second cleaning brush, a first connecting socket is formed in the connecting frame relative to the other end of the supporting base main body, one side of the connecting frame is rotatably connected with a bolt, and one end of the bolt penetrates through and is inserted into the inner side of the first connecting socket;

when the cleaning machine is in actual use, the first cleaning brush and the second cleaning brush can clean the ground and accumulate sundries at one place through the movement of the supporting base main body, so that a user can clean the cleaning machine conveniently, and the using convenience of the cleaning machine is improved.

Further, one end of the connecting frame is provided with an extension frame, the extension frame is positioned at the other end of the connecting frame opposite to the supporting base main body, the bottom end of the extension frame is fixedly clamped with a third cleaning brush, one end of the extension frame is provided with a second connecting socket, the other end of the extension frame is fixedly welded with a first connecting plug block, one bolt is rotatably connected to one side of the extension frame, one end of the bolt is inserted into the inner side of the second connecting socket in a penetrating manner, the first connecting plug block is inserted into the inner side of the first connecting socket, and one bolt is rotatably connected and fixed to one side of the first connecting plug block;

the extension frame is connected to one end of the connecting frame, so that the cleaning area of the supporting base main body during movement can be increased, the cleaning efficiency is improved, and the universality of the cleaning device is improved.

Further, a sliding groove is formed in one side of the driving assembly, a driving screw is rotatably clamped on the inner side of the sliding groove, fixing plates are fixedly welded on the bottom sides of two ends of the driving assembly, one end of the sliding block is penetrated and clamped with a threaded pipe, the threaded pipe is rotatably connected to the outer peripheral surface of the driving screw, the sliding block is slidably clamped on the inner side of the sliding groove, a rotating block is clamped on one end of the sliding block, the rotating block is positioned at the other end of the sliding block opposite to the driving assembly, a second connecting plug block is fixedly welded on one end of the rotating block, the second connecting plug block is inserted on the inner side of the second connecting socket, and one bolt is rotatably connected and fixed on one side of the second connecting plug block;

when cleaning is needed, a user can drive the sliding block to move along the sliding groove by controlling the driving assembly to rotate the driving screw in the positive direction, and further drive the supporting base body to move and clean the ground or the roof, so that the operation is simple and convenient, and the automation degree of the photovoltaic panel supporting base is improved.

The utility model has the following beneficial effects:

1. according to the utility model, the photovoltaic panel main body is arranged, so that the problems that the angle of the photovoltaic panel supporting base is adjusted, the installation angle of the photovoltaic panel can be adjusted according to the illumination angle, the illumination receiving effect of the photovoltaic panel is improved, when the photovoltaic panel is in actual use, gaps between the photovoltaic panel and the ground or the roof after the installation angle is adjusted through the supporting base are larger, the damage risk caused by external force impact is larger, and the maintenance expense is increased are solved, and when the photovoltaic panel main body is installed, the anti-collision protection is carried out by inflating an anti-collision airbag to expand the anti-collision airbag and extruding the anti-collision airbag on the periphery and the bottom side of the photovoltaic panel outer frame, so that the probability of damage to the photovoltaic panel main body caused by accidental impact is reduced, and the maintenance expense is reduced.

2. According to the utility model, the problems that the supporting base body and the driving assembly are arranged, so that the supporting base of the photovoltaic panel always only has the supporting function of the photovoltaic panel, because the supporting base has a certain volume, sundries such as branches and fallen leaves are easy to accumulate around the supporting base during use, a user needs to clean the supporting base at regular time, the photovoltaic panel can cause certain shielding to the supporting base, the cleaning is inconvenient for the user, the use is inconvenient are solved, after long-time use, the supporting base body and the photovoltaic panel body move along the sliding groove by driving the rotation of the driving screw rod through the driving assembly when certain sundries are accumulated around the supporting base body, the first cleaning brush, the second cleaning brush and the third cleaning brush clean the ground, the sundries are cleaned at one place, and the cleaning is convenient for the user, so that the use convenience is improved.

Drawings

FIG. 1 is a structural effect diagram of the present utility model;

FIG. 2 is a block diagram of a photovoltaic panel body of the present utility model;

FIG. 3 is a bottom view of the photovoltaic panel housing of the present utility model;

FIG. 4 is a block diagram of a support base body of the present utility model;

FIG. 5 is a bottom view of the support base body of the present utility model;

fig. 6 is a block diagram of a drive assembly of the present utility model.

Reference numerals:

1. a photovoltaic panel body; 101. an anti-collision air bag; 102. a photovoltaic panel outer frame; 103. an air inlet one-way valve; 104. a gas discharge knob; 105. a connecting screw; 106. a nut; 2. a support base body; 201. a connecting plate; 202. a connecting frame; 203. a first cleaning brush; 204. an extension rack; 205. a cylinder; 206. a first rotating motor; 207. a second rotating motor; 208. a rotating shaft; 209. a through hole; 210. a support tube; 211. a connecting pipe; 212. a universal wheel; 213. a second cleaning brush; 214. a first connection socket; 215. a bolt; 216. a first connection plug; 217. a third cleaning brush; 218. a second connection socket; 3. a drive assembly; 301. a slide block; 302. a chute; 303. a threaded tube; 304. a rotating block; 305. driving a screw; 306. a fixing plate; 307. and a second connecting plug.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the utility model discloses a supporting base for a photovoltaic panel with changeable supporting angle, which comprises a photovoltaic panel main body 1, a supporting base main body 2 and a driving component 3, wherein the photovoltaic panel main body 1 is arranged on the upper side of the supporting base main body 2, an anti-collision air bag 101 is arranged on the periphery and the bottom side of the photovoltaic panel main body 1, when the supporting base main body is installed, the anti-collision air bag 101 is inflated and extruded on the periphery and the bottom side of the outer side of the photovoltaic panel frame 102 through inflating the anti-collision air bag 101, when the supporting base main body is used, the anti-collision protection is carried out on the photovoltaic panel main body 1, the two sides of the supporting base main body 2 are clamped with a first cleaning brush 203, the two ends of the supporting base main body 2 are rotatably clamped with a connecting frame 202, when the supporting base main body 2 is installed, the connecting frame 202 is rotated according to the required cleaning area, the connecting frame 202 is rotated to open and a proper number of extension frames 204 are inserted and fixed at one end of the connecting frame 202, when the supporting base main body 2 is used, the utility model is used, the first cleaning brush 203, the second cleaning brush 213 and the third cleaning brush 217 can be driven to clean the ground or the roof through controlling the movement of the supporting base main body 2, the supporting base main body 2 to be piled on the periphery, the driving component 3 is driven by the driving component, and the driving component 3 is further driven to drive the driving component 301 to rotate, and the driving component 3 is arranged on the inner side of the supporting main body 2, and the driving component is driven to rotate, and the driving component 301 is driven to drive 3.

As shown in fig. 1-3, a photovoltaic panel outer frame 102 is fixedly clamped at the bottom side of a photovoltaic panel main body 1, an anti-collision air bag 101 is clamped at the periphery and the bottom side of the photovoltaic panel outer frame 102, an air inlet one-way valve 103 is clamped at one side of the anti-collision air bag 101, an air exhaust knob 104 is penetrated and screwed at one side of the anti-collision air bag 101, a connecting screw 105 is fixedly welded at the periphery of the bottom side of the photovoltaic panel outer frame 102, the connecting screw 105 penetrates and is inserted at the upper side of the anti-collision air bag 101, and two nuts 106 are screwed on the peripheral surface of one connecting screw 105 from top to bottom;

when the photovoltaic panel main body 1 is installed, the outer peripheral surface of each connecting screw rod 105 is screwed with one nut 106, the connecting screw rods 105 are inserted into the inner sides of the through holes 209, the connecting plates 201 are attached to the nuts 106, one nut 106 is screwed on the outer peripheral surface of each connecting screw rod 105 again, the relative positions between the connecting plates 201 and the photovoltaic panel main body 1 are locked, and the air inlet check valve 103 is inflated to expand the anti-collision air bags 101 and extrude the anti-collision air bags to the periphery and the bottom end of the photovoltaic panel outer frame 102, so that the anti-collision air bags 101 can release stress generated by impact when the photovoltaic panel main body 1 is used, and the damage probability of the photovoltaic panel main body 1 is reduced.

As shown in fig. 1, 4 and 5, a support tube 210 is welded and fixed on the upper side of the support base body 2, an air cylinder 205 is clamped on the inner side of the support tube 210, a connecting tube 211 is clamped on the upper end of the peripheral surface of the support tube 210 in a sliding manner, the upper end of the air cylinder 205 is clamped on the bottom end of the inner side of the connecting tube 211, a first rotating motor 206 is clamped on the upper end of the inner side of the connecting tube 211, a rotating shaft 208 is clamped on the upper side of the rotating shaft 208, a connecting plate 201 is clamped on one end of the bottom side of the connecting plate 201, a second rotating motor 207 is clamped and fixed on one side of the rotating shaft 208, through holes 209 are formed around the upper side of the connecting plate 201 in a penetrating manner, connecting screws 105 are inserted on the inner side of the through holes 209 in a penetrating manner, two nuts 106 are respectively attached on the upper side and the lower side of the connecting plate 201, universal wheels 212 are clamped on the periphery of the bottom side of the support base body 2 in a rotating manner, the second cleaning brush 213 is clamped and fixed at the bottom end of the connecting frame 202, a first connecting socket 214 is formed at the other end of the connecting frame 202 relative to the supporting base main body 2, a bolt 215 is screwed on one side of the connecting frame 202, one end of the bolt 215 is inserted into the inner side of the first connecting socket 214 in a penetrating manner, an extension frame 204 is arranged at one end of the connecting frame 202 relative to the other end of the supporting base main body 2, a third cleaning brush 217 is clamped and fixed at the bottom end of the extension frame 204, a second connecting socket 218 is formed at one end of the extension frame 204, a first connecting insert 216 is welded and fixed at the other end of the extension frame 204, one bolt 215 is screwed on one side of the extension frame 204, one end of the bolt 215 is inserted into the inner side of the second connecting socket 218 in a penetrating manner, the first connecting insert 216 is inserted into the inner side of the first connecting socket 214, and one bolt 215 is screwed and fixed on one side of the first connecting insert 216;

when the photovoltaic panel is installed, the universal wheels 212 drive the supporting base body 2 to move to a proper position, the connecting frame 202 is opened through rotation according to the area to be cleaned, the first connecting plug 216 of the extending frame 204 is plugged into the first connecting socket 214, the connecting frame 204 and the connecting frame 202 are fixedly connected through screwing the fixing bolt 215, the first connecting plug 216 of the other extending frame 204 is plugged into the inner side of the second connecting socket 218 of the extending frame 204, the connecting bolts 215 are screwed, the two extending frames 204 are fixedly connected, the connecting pipe 211 is driven to move up and down through the air cylinder 205, the photovoltaic panel body 1 is moved to a proper height, the connecting plate 201 and the photovoltaic panel body 1 are driven to rotate in the horizontal direction through the first rotating motor 206, the connecting plate 201 and the photovoltaic panel body 1 are driven to rotate in the vertical direction through the second rotating motor 207, and the photovoltaic panel body 1 is adjusted to a proper angle.

As shown in fig. 1 and 6, a sliding groove 302 is formed on one side of the driving assembly 3, a driving screw 305 is rotationally clamped on the inner side of the sliding groove 302, fixing plates 306 are welded and fixed on the bottom sides of two ends of the driving assembly 3, one end of a sliding block 301 is penetrated and clamped with a threaded pipe 303, the threaded pipe 303 is screwed on the outer circumferential surface of the driving screw 305, the sliding block 301 is slidingly clamped on the inner side of the sliding groove 302, one end of the sliding block 301 is clamped with a rotating block 304, the rotating block 304 is positioned on the other end of the sliding block 301 relative to the driving assembly 3, a second connecting plug 307 is welded and fixed on one end of the rotating block 304, the second connecting plug 307 is inserted and connected on the inner side of the second connecting socket 218, and one bolt 215 is screwed and fixed on one side of the second connecting plug 307;

when cleaning is required, a user controls the driving assembly 3 to rotate the driving screw 305 in the positive direction, drives the threaded pipe 303 to rotate, enables the sliding block 301 to move along the sliding groove 302, further drives the supporting base main body 2 to move, and cleans the ground or the roof through the first cleaning brush 203, the second cleaning brush 213 and the third cleaning brush 217.

One specific application of this embodiment is: when in installation, the supporting base body 2 is driven by the universal wheels 212 to move to a proper position, the connecting frame 202 is opened by rotating according to the area to be cleaned, the first connecting plug 216 of the extending frame 204 is plugged into the first connecting socket 214, the connecting frame 204 and the connecting frame 202 are fixedly connected by screwing the fixing bolt 215, the first connecting plug 216 of the other extending frame 204 is plugged into the inner side of the second connecting socket 218 of the extending frame 204, the connecting frame 204 is fixedly connected by screwing the fixing bolt 215, the connecting pipe 211 is driven by the air cylinder 205 to move up and down, the photovoltaic panel body 1 is moved to a proper height, the connecting plate 201 and the photovoltaic panel body 1 are driven by the first rotating motor 206 to rotate in the horizontal direction, the connecting plate 201 and the photovoltaic panel body 1 are driven by the second rotating motor 207 to rotate in the vertical direction, the photovoltaic panel body 1 is adjusted to a proper angle, the utility model is characterized in that a nut 106 is screwed on the outer peripheral surface of each connecting screw 105, the connecting screw 105 is inserted into the inner side of a through hole 209, the connecting plate 201 is attached to the nut 106, a nut 106 is screwed on the outer peripheral surface of each connecting screw 105 and is locked at the relative position between the connecting plate 201 and the photovoltaic panel main body 1, and the anti-collision air bag 101 is inflated and extruded at the periphery and the bottom end of the photovoltaic panel outer frame 102 by inflating the air inlet one-way valve 103, so that the anti-collision air bag 101 can release stress generated by impact when the anti-collision air bag is used, the damage probability of the photovoltaic panel main body 1 is reduced, after a certain sundries are accumulated on the outer peripheral surface of the supporting base main body 2 after long-time use, a user drives the driving assembly 3 to rotate in the positive direction of the driving screw 305, drives the threaded pipe 303 to rotate, drives the sliding block 301 to move along the sliding groove 302, and further drives the supporting base main body 2 to move, the floor or roof is cleaned by the first cleaning brush 203, the second cleaning brush 213 and the third cleaning brush 217.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (7)

1. The utility model provides a photovoltaic board support base that supporting angle can be changed, includes photovoltaic board main part (1), supports base main part (2) and drive assembly (3), its characterized in that: the novel cleaning brush comprises a supporting base body (2), wherein a photovoltaic plate body (1) is arranged on the upper side of the supporting base body (2), an anti-collision air bag (101) is arranged around and at the bottom side of the photovoltaic plate body (1), first cleaning brushes (203) are clamped on two sides of the supporting base body (2), connecting frames (202) are clamped at two ends of the supporting base body (2) in a rotating mode, a driving assembly (3) is arranged at one end of the supporting base body (2), and a sliding block (301) is connected on one side of the driving assembly (3) in a rotating mode.

2. The photovoltaic panel support base with changeable support angle according to claim 1, wherein: the anti-collision air bag is characterized in that a photovoltaic plate outer frame (102) is fixedly clamped at the bottom side of the photovoltaic plate main body (1), the anti-collision air bag (101) is clamped around the photovoltaic plate outer frame (102) and at the bottom side, an air inlet one-way valve (103) is clamped at one side of the anti-collision air bag (101), and an exhaust knob (104) is rotatably connected at one side of the anti-collision air bag (101).

3. A photovoltaic panel support base with changeable support angle according to claim 2, characterized in that: the photovoltaic panel outer frame (102) is welded and fixed with connecting screws (105) around the bottom side, the connecting screws (105) penetrate and are inserted into the upper side of the anti-collision air bag (101), and two nuts (106) are screwed on the outer peripheral surface of one connecting screw (105) from top to bottom.

4. A photovoltaic panel support base with changeable support angle according to claim 3, characterized in that: support base main part (2) upside welding is fixed with stay tube (210), stay tube (210) inboard joint has cylinder (205), stay tube (210) outer peripheral face upper end slip joint has connecting pipe (211), cylinder (205) upper end joint is in connecting pipe (211) inboard bottom, connecting pipe (211) inboard upper end joint has first rotation motor (206), first rotation motor (206) upside joint has pivot (208), pivot (208) upside rotation joint has connecting plate (201), connecting plate (201) downside one end joint has second rotation motor (207), second rotation motor (207) joint is fixed in pivot (208) one side, through-hole (209) have been seted up in the running through all around of connecting plate (201) upside, connecting screw (105) run through and peg graft in through-hole (209) inboard, two nut (106) laminating respectively in connecting plate (201) upper and lower both sides.

5. The photovoltaic panel support base with changeable support angle according to claim 1, wherein: the novel cleaning brush comprises a supporting base body (2), wherein universal wheels (212) are rotationally clamped around the bottom side of the supporting base body (2), a second cleaning brush (213) is fixedly clamped at the bottom end of a connecting frame (202), a first connecting socket (214) is formed in the connecting frame (202) relative to the other end of the supporting base body (2), a bolt (215) is screwed on one side of the connecting frame (202), and one end of the bolt (215) is inserted into the inner side of the first connecting socket (214) in a penetrating mode.

6. The photovoltaic panel support base with changeable support angle according to claim 5, wherein: the utility model discloses a cleaning brush, including connecting frame (202), connecting frame (204), extension frame (204), second connection socket (218) are offered to extension frame (204) one end, extension frame (204) other end welded fastening has first connection plug (216), one bolt (215) connect in extension frame (204) one side soon, one bolt (215) one end runs through and inserts in second connection socket (218) inboard, first connection plug (216) are pegged graft in first connection socket (214) inboard, one bolt (215) connect in rotation is fixed in first connection plug (216) one side.

7. The photovoltaic panel support base with changeable support angle according to claim 6, wherein: the sliding block type electric motor is characterized in that a sliding groove (302) is formed in one side of the driving assembly (3), a driving screw (305) is rotatably clamped on the inner side of the sliding groove (302), a fixing plate (306) is fixedly welded on the bottom sides of two ends of the driving assembly (3), a threaded pipe (303) is penetrated and clamped at one end of the sliding block (301), the threaded pipe (303) is rotatably connected to the outer peripheral surface of the driving screw (305), the sliding block (301) is slidably clamped on the inner side of the sliding groove (302), a rotating block (304) is clamped on one end of the sliding block (301), the rotating block (304) is located at the other end of the sliding block (301) opposite to the driving assembly (3), a second connecting plug (307) is fixedly welded on one end of the rotating block (304), the second connecting plug (307) is inserted on the inner side of the second connecting socket (218), and one bolt (215) is rotatably fixed on one side of the second connecting plug (307).

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