阅读说明：本技术 一种光伏发电维护清洁装置 (Photovoltaic power generation maintains cleaning device ) 是由 李印权 钟建华 陶小亮 于 2021-05-31 设计创作，主要内容包括：本发明公开了一种光伏发电维护清洁装置,属于清洁装置领域,包括支架、刷洗部件以及储水部件。支架包括第一竖杆、第二竖杆、滑轨以及横板。刷洗部件包括丝杆、导向杆、清刷辊、第一滑块、第二滑块以及电机。通过设置的刷洗部件与储水部件的配合可以实现清刷辊的上下往复刷洗光伏发电板,并且在刷洗的过程中水箱可以不间断均匀地出水,使清洁清刷更加高效。同时本装置还可以配合不同宽度的光伏发电板进行调节,提高本装置的使用效率。(The invention discloses a photovoltaic power generation maintenance cleaning device, which belongs to the field of cleaning devices and comprises a support, a brushing part and a water storage part. The support includes first montant, second montant, slide rail and diaphragm. The brushing part comprises a screw rod, a guide rod, a brushing roller, a first sliding block, a second sliding block and a motor. Through the cooperation of the scrubbing part and the water storage part, the photovoltaic power generation board can be scrubbed in an up-and-down reciprocating mode by the scrubbing roller, water can be discharged from the water tank uninterruptedly and uniformly in the scrubbing process, and therefore cleaning and brushing are more efficient. Simultaneously, the device can also be matched with photovoltaic power generation boards with different widths to adjust, and the service efficiency of the device is improved.)

1. The utility model provides a photovoltaic power generation maintains cleaning device which characterized in that: comprises a bracket, a brushing part and a water storage part;

the water storage component comprises a water tank and a base (12), the base (12) is fixed at the bottom of the water tank,

the support comprises a first vertical rod (21), a second vertical rod (22), a sliding rail and a transverse plate (23);

the upper end of a first vertical rod (21) is fixed at one side of the bottom of a base (12), a slide rail is fixed at the bottom of the base (12), the upper end of a second vertical rod (22) is connected on the slide rail in a sliding way, the second vertical rod (22) is arranged in parallel with the first vertical rod (21), the lower end of the second vertical rod (22) is provided with a through groove which penetrates through the left side and the right side of the second vertical rod, a transverse plate (23) is arranged in parallel with the base (12), one end of the transverse plate (23) is fixed at one side of the first vertical rod (21), the other end of the transverse plate (23) penetrates through the through groove,

the brushing part comprises a screw rod (31), a guide rod (32), a brushing roller (35), a first sliding block (33), a second sliding block (34) and a motor (36);

screw rod (31) are connected on first montant (21), guide bar (32) are fixed in on second montant (22), first slider (33) rotate respectively with second slider (34) and are connected in the both ends of scrub roller, first slider (33) and screw rod (31) screw-thread fit, second slider (34) sliding connection is on guide bar (32), motor (36) are fixed in water tank one side through the support, the power output shaft of motor (36) is fixed with drive gear (37), be fixed with first crown gear (38) and second crown gear (39) on screw rod (31), first crown gear (38) or second crown gear (39) and drive gear (37) meshing.

2. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 1, wherein:

the lead screw (31) is rotatably connected with a sliding seat (30), the sliding seat (30) is connected to the first vertical rod (21) in a sliding mode, a push-pull component used for pushing and pulling the sliding seat (30) is arranged on the first vertical rod (21), and the push-pull component drives the sliding seat (30) to move up and down.

3. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 1, wherein:

the water tank comprises a main tank (11), a guide tank (13) and a guide piece;

guide box (13) are fixed in the bottom of main tank (11), and guide box (13) and main tank (11) intercommunication, guide box (13) configuration is into cylindrical section of thick bamboo, the guide includes cowl (17) and output tube (14) more than two, delivery outlet (15) have been seted up to one side of guide box (13), guide box (13) outside is provided with spacing cover (16), cowl (17) joint is in spacing cover (16), output tube (14) evenly connected is on cowl (17) more than two, be provided with the plug-in closing cap on output tube (14).

4. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 3, wherein:

the water tank also comprises a water control part, and the water control part comprises a rotating roller (41), a shifting plate (42), a water retaining sheet (43) and a transmission shaft;

it connects in main tank (11) to change roller (41) rotation, the one end and drive gear (37) lateral wall fixed connection of transmission shaft, the other end of transmission shaft runs through the water tank lateral wall and changes roller (41) fixed connection, dial board (42) evenly to be fixed in more than two and change roller (41) outside, trompil (18) with guide box (13) intercommunication are seted up in main tank (11), water blocking piece (43) are connected in main tank (11) through spring (45), one side of water blocking piece (43) is fixed with plectrum (44), plectrum (44) are located and dial board (42) complex position, it stirs plectrum (44) to change roller (41) rotation and drive and dial board (42).

5. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 3, wherein:

the top of the main box (11) is connected with a rain receiving hopper (19), and a filter screen (10) which is obliquely arranged is connected in the rain receiving hopper (19).

6. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 1, wherein:

the cleaning roller (35) is formed by connecting a first joint (351), a second joint (352) and more than two connecting sections (353),

and an inserting plate (354), a second joint (352) and a connecting section (353) are fixed on one side of the first connecting joint and one side of the connecting section (353), inserting grooves (355) are formed in the other sides of the first connecting joint, the inserting plate (354) is matched with the inserting grooves (355), the first connecting joint (351) is rotatably connected with the first sliding block (33), and the second connecting joint (352) is rotatably connected with the second sliding block (34).

7. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 1, wherein:

the device also comprises a bottom frame, wherein the bottom frame comprises a bottom plate (51), a connecting block (52), a jacking rod (56) and a bearing plate (55);

connecting block (52) are fixed in the one end of bottom plate (51), have inlayed movable block (53) on connecting block (52), movable block (53) rotate with connecting block (52) and are connected, seted up fluting (54) on movable block (53), the one end of accepting board (55) is rotated and is connected on connecting block (52), the stiff end of ejector pin (56) is rotated and is connected on bottom plate (51), the free end of ejector pin (56) is rotated and is connected on accepting board (55).

8. A photovoltaic power generation maintenance cleaning apparatus in accordance with claim 7, wherein:

and the back of the first vertical rod (21) and the back of the second vertical rod (22) are both fixed with a sucker (25).

9. A photovoltaic power generation maintenance cleaning apparatus as claimed in claim 1, wherein:

the transverse plate (23) is sleeved with a clamping sleeve (24) used for fixing the position of the second vertical rod (22).

Technical Field

The invention relates to the field of cleaning devices, in particular to a photovoltaic power generation maintenance cleaning device.

Background

The use of new energy is more and more widespread, and among them, solar energy is deeply favored by people as a clean energy. The utilization of solar energy currently uses mainly the photovoltaic effect for power generation. In the daily use process, air dust can be attached to the photovoltaic power generation panel, the light incoming amount of the photovoltaic power generation panel is reduced, and the power generation efficiency is further reduced. Therefore, dust attached to the photovoltaic power generation panel needs to be cleaned in time. At present, the photovoltaic panel is cleaned mainly manually, and the efficiency is very low.

Disclosure of Invention

In order to overcome the defect of low cleaning efficiency of the photovoltaic power generation panel in the prior art, the invention aims to provide a photovoltaic power generation maintenance cleaning device which is high in automation degree, can automatically clean the photovoltaic power generation panel and greatly improves the cleaning efficiency of the photovoltaic power generation panel.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a photovoltaic power generation maintenance cleaning device which comprises a support, a brushing part and a water storage part. The water storage part comprises a water tank and a base, the base is fixed at the bottom of the water tank, and the support comprises a first vertical rod, a second vertical rod, a sliding rail and a transverse plate. The upper end of first montant is fixed in one side of base bottom, slide rail unable adjustment base's bottom, the upper end sliding connection of second montant is on the slide rail, second montant and first montant parallel arrangement, the logical groove that runs through its left and right sides is seted up to the lower extreme of second montant, the diaphragm with base parallel arrangement, the one end of diaphragm is fixed in one side of first montant, the other end of diaphragm passes logical groove, the scrubbing component includes the lead screw, the guide bar, the cleaning roller, first slider, second slider and motor. The lead screw is connected on first montant, and the guide bar is fixed in on the second montant, and first slider rotates respectively with the second slider and connects in the both ends of cleaning roller, first slider and lead screw thread fit, and second slider sliding connection is on the guide bar, and the motor is fixed in water tank one side through the support, and the power output shaft of motor is fixed with drive gear, is fixed with first crown gear and second crown gear on the lead screw, and first crown gear or second crown gear and drive gear mesh.

In a preferred technical scheme of the invention, the screw rod is rotatably connected with a sliding seat, the sliding seat is connected to a first vertical rod in a sliding manner, the first vertical rod is provided with a push-pull component for pushing and pulling the sliding seat, and the push-pull component drives the sliding seat to move up and down.

In a preferred embodiment of the present invention, the water tank includes a main tank, a guide tank, and a guide. The guide box is fixed in the bottom of main tank, and guide box and main tank intercommunication, and the guide box configuration is a cylindrical section of thick bamboo, and the guide includes cowl and the output tube more than two, and the delivery outlet has been seted up to one side of guide box, and the outside position that is close to the delivery outlet of guide box is provided with spacing cover, and the cowl joint is in spacing cover, and the output tube is evenly connected on cowl more than two, is provided with the plug-in closing cap on the output tube.

In a preferred technical scheme of the invention, the water tank further comprises a water control part, the water control part comprises a rotating roller, shifting plates, water blocking sheets and a transmission shaft, the rotating roller is rotatably connected in the main tank, one end of the transmission shaft is fixedly connected with the side wall of the driving gear, the other end of the transmission shaft penetrates through the side wall of the water tank and is fixedly connected with the rotating roller, more than two shifting plates are uniformly fixed outside the rotating roller, the main tank is provided with an opening communicated with the guide tank, the water blocking sheets are connected in the main tank through springs, shifting sheets are fixed on one sides of the water blocking sheets and are positioned at positions matched with the shifting plates, and the rotating roller rotates and drives the shifting plates to shift the shifting sheets.

In a preferred technical scheme of the invention, the top of the main box is connected with a rain-connecting bucket, and a filter screen which is obliquely arranged is connected in the rain-connecting bucket.

In a better technical scheme of the invention, the cleaning roller is formed by connecting a first joint, a second joint and more than two connecting sections, an inserting plate is fixed on one side of the first joint and one side of each connecting section, slots are formed in the second joint and the other side of each connecting section, the inserting plate is matched with the slots, the first joint is rotationally connected with the first sliding block, and the second joint is rotationally connected with the second sliding block.

In a preferred technical scheme of the invention, the device further comprises a bottom frame, wherein the bottom frame comprises a bottom plate, a connecting block, a push rod and a bearing plate. The connecting block is fixed in the one end of bottom plate, has inlayed the movable block on the connecting block, and the movable block rotates with the connecting block to be connected, has seted up the fluting on the movable block, and the one end of accepting the board rotates to be connected on the connecting block, and the stiff end of ejector pin rotates to be connected on the bottom plate, and the free end of ejector pin rotates to be connected on accepting the board.

In a preferred technical scheme of the invention, the back of the first vertical rod and the back of the second vertical rod are both fixed with suckers.

In a preferred technical scheme of the invention, the transverse plate is sleeved with a clamping sleeve for fixing the position of the second vertical rod.

The invention has the beneficial effects that:

according to the photovoltaic power generation maintenance cleaning device provided by the invention, the photovoltaic power generation plate can be brushed up and down in a reciprocating manner by the brushing roller through the matching of the arranged brushing part and the water storage part, and the water can be discharged from the water tank uninterruptedly and uniformly in the brushing process, so that the cleaning and brushing are more efficient. Simultaneously, the device can also be matched with photovoltaic power generation boards with different widths to adjust, and the service efficiency of the device is improved.

Drawings

FIG. 1 is a schematic structural diagram of a photovoltaic power generation maintenance and cleaning device according to an embodiment of the present invention;

FIG. 2 is a schematic side view of the tank of FIG. 1;

FIG. 3 is a schematic structural diagram of a base in a photovoltaic power generation maintenance and cleaning device according to an embodiment of the present invention;

FIG. 4 is a schematic view of the construction of the brushroll of FIG. 1;

fig. 5 is a side view of the connection section of fig. 4.

In the figure:

11-a main box, 12-a base, 13-a guide box, 14-an output pipe, 15-an output port, 16-a limit cover, 17-an arc baffle, 18-an opening, 19-a rain receiving hopper, 10-a filter screen, 21-a first vertical rod, 22-a second vertical rod, 23-a transverse plate, 24-a clamping sleeve, 25-a sucker, 30-a sliding seat, 31-a screw rod, 32-a guide rod, 33-a first sliding block, 34-a second sliding block, 35-a cleaning roller, 351-a first joint, 352-a second joint, 353-a connecting section, 354-a plug board, 355-a slot, 36-a motor, 37-a driving gear, 38-a first crown gear, 39-a second crown gear, 41-a rotating roller and 42-a shifting board, 43-water retaining sheet, 44-shifting sheet, 45-spring, 51-bottom plate, 52-connecting block, 53-movable block, 54-slotted, 55-bearing plate and 56-ejector rod.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-5, an embodiment provides a photovoltaic power generation maintenance cleaning device, which comprises a bracket, a brushing part and a water storage part. The water storage part comprises a water tank and a base 12, the base 12 is fixed at the bottom of the water tank, and the support comprises a first vertical rod 21, a second vertical rod 22, a sliding rail and a transverse plate 23. The upper end of first montant 21 is fixed in one side of base 12 bottom, the bottom of slide rail unable adjustment base 12, the upper end sliding connection of second montant 22 is on the slide rail, second montant 22 and first montant 21 parallel arrangement, the logical groove that runs through its left and right sides is seted up to the lower extreme of second montant 22, diaphragm 23 with base 12 parallel arrangement, one end of diaphragm 23 is fixed in one side of first montant 21, logical groove is passed to the other end of diaphragm 23, the scrubbing component includes lead screw 31, the guide bar 32, the cleaning roller 35, first slider 33, second slider 34 and motor 36. The screw rod 31 is connected to the first vertical rod 21, the guide rod 32 is fixed to the second vertical rod 22, the first sliding block 33 and the second sliding block 34 are respectively connected to two ends of the cleaning roller in a rotating mode, the first sliding block 33 is in threaded fit with the screw rod 31, the second sliding block 34 is connected to the guide rod 32 in a sliding mode, the motor 36 is fixed to one side of the water tank through the support, the driving gear 37 is fixed to a power output shaft of the motor 36, the first crown gear 38 and the second crown gear 39 are fixed to the screw rod 31, and the first crown gear 38 or the second crown gear 39 is meshed with the driving gear 37.

The photovoltaic power generation maintenance cleaning device provided by the embodiment is installed on a photovoltaic power generation panel, and the width of the cleaning device can be adjusted according to the width of the photovoltaic panel to be cleaned. When adjusting the width of cleaning device, slide second montant 22 along the slide rail, the logical groove of second montant 22 lower extreme slides along diaphragm 23, and the distance between first montant 21 and second montant 22 can adapt the width of photovoltaic power generation board, then install the device on the photovoltaic power generation board. The first vertical bar 21 and the second vertical bar 22 are placed on the photovoltaic power generation panel, and the brush roller 35 abuts against the photovoltaic power generation panel and can be started immediately for cleaning. The motor 36 is started, the motor 36 drives the driving gear 37 to rotate, the screw rod 31 slides to enable the first crown gear 38 to be meshed with the driving gear 37, the motor 36 drives the screw rod 31 to rotate through the driving gear 37 and the first crown gear 38, the screw rod 31 rotates to extend the screw rod 31 to slide along with the first sliding block 33 which is driven to be meshed with the screw rod, the first sliding block 33 drives the cleaning roller 35 which is connected in a rotating mode to rotate in the sliding process, then the photovoltaic power generation panel is cleaned, dust is swept, and dust adhered to the photovoltaic power generation panel is brushed away. When the cleaning roller 35 cleans one end all the time, the screw 31 moves integrally, so that the first crown gear 38 on the screw is disconnected from the driving gear 37, the second crown gear 39 is meshed with the driving gear 37, at this time, the driving gear 37 drives the screw 31 to rotate through the second crown gear 39, the first crown gear 38 and the second crown gear 39 are symmetrically arranged by taking the driving gear 37 as the center, the screw 31 is driven to rotate in the opposite direction by the second crown gear 39, the screw 31 rotating in the opposite direction drives the first sliding block 33 to move in the opposite direction, the cleaning roller 35 rolls in the opposite direction, the surface of the photovoltaic power generation panel is cleaned again, and dust and dirt on the surface of the photovoltaic power generation panel are fully clear. In the process that the cleaning roller 35 moves up and down, the second sliding block 34 on the left side slides on the guide rod 32 of the second vertical rod 22, and the guide rod 32 can limit the second sliding block 34, so that the cleaning roller 35 cannot incline in the moving process. In the rotating and brushing process of the brushing roller 35, water can be discharged from the water tank synchronously, and the outputted cleaning water falls along the photovoltaic power generation board and brushes off dust and stains attached to the photovoltaic power generation board in cooperation with the rotation of the brushing roller 35. The photovoltaic power generation that this embodiment provided maintains cleaning device can the not electricity generation board of the different width of adaptation, and simple structure simultaneously can drive brush roll 35 through motor 36 and do reciprocal roll and clean photovoltaic power generation board, and the clean water of cooperation water tank output reaches fine clean effect, and clean process automation goes on, and efficient suitability is strong.

Further, a sliding seat 30 is rotatably connected to the screw rod 31, the sliding seat 30 is slidably connected to the first vertical rod 21, a push-pull component for pushing and pulling the sliding seat 30 is arranged on the first vertical rod 21, and the push-pull component drives the sliding seat 30 to move up and down. Both ends of the screw rod 31 are rotatably connected with the sliding seats 30, the screw rod 31 can be driven to slide up and down on the first vertical rod 21 in a sliding mode, and along with the up-and-down movement of the screw rod 31, the first crown gear 38 or the second crown gear 39 on the screw rod 31 is meshed with the driving gear 37, so that the screw rod 31 is adjusted to rotate forwards or backwards, the cleaning roller 35 is moved forwards or backwards, a push-and-pull component used for pushing sliding movement in the embodiment is configured to be an air cylinder, the stretching of the air cylinder can drive the screw rod 31 to move upwards and downwards, and the adjusting process is convenient and fast.

Further, the water tank includes a main tank 11, a guide tank 13, and a guide. Guide box 13 is fixed in the bottom of main tank 11, and guide box 13 and main tank 11 intercommunication, guide box 13 configures to cylindrical section of thick bamboo, the guide includes cowl 17 and two or more output tubes 14, delivery outlet 15 has been seted up to one side of guide box 13, the outside position that is close to delivery outlet 15 of guide box 13 is provided with spacing cover 16, cowl 17 joint is in spacing cover 16, output tube 14 evenly connects on cowl 17 more than two, be provided with the plug-in closing cap on the output tube 14.

Water of usefulness is cleaned in water tank internal loading, and rivers in the water tank adjust the angle of output tube 14 through the angle of adjustment cowl 17 in to guide box 13, and then the angle of the water column of adjustment output lets the water column that erupts to spray photovoltaic power generation board on, and the rotation of the water cooperation cleaning roller 35 that erupts is cleaned, brushes away the spot on the photovoltaic power generation board, strengthens cleaning roller 35's cleaning performance.

Further, the water tank still includes water control spare, water control spare is including changeing roller 41, dial plate 42, breakwater 43 and transmission shaft, change roller 41 and rotate and connect in main tank 11, the one end and the drive gear 37 lateral wall fixed connection of transmission shaft, the other end of transmission shaft runs through the water tank lateral wall and changes roller 41 fixed connection, dial plate 42 evenly be fixed in change roller 41 outsidely more than two, main tank 11 is seted up the trompil 18 with the guide box 13 intercommunication, breakwater 43 passes through spring 45 and connects in main tank 11, one side of breakwater 43 is fixed with dial plate 44, dial plate 44 is located and dials plate 42 complex position, change roller 41 is rotatory and drive dial plate 42 and stir dial plate 44. In the cleaning process, the motor 36 drives the screw rod 31 to rotate, and simultaneously drives the rotating roller 41 to rotate through the transmission shaft. When the roller 41 is not rotating, the water blocking plate 43 is pushed by the spring 45 to abut against the opening 18, so that the water in the water tank cannot flow into the guide box 13. After the device starts cleaning, the motor 36 drives the rotating roller 41 to rotate through the transmission shaft, in the rotating process of the rotating roller 41, the poking plate 42 on the rotating roller 41 continuously pokes the poking sheet 44 on the water retaining sheet 43, the poking sheet 44 poked by the poking plate 42 drives the water retaining sheet 43 to be loosened from the open hole 18 through the poking sheet 44 every time, water in the water tank flows into the guide box 13, and the water retaining sheet 43 resets under the action of the spring 45 after the poking plate 42 rotates. Through the arrangement, the water tank can automatically discharge water when the device is started, automatic adjustment is realized, and the pressure of manual control is saved.

Further, a rain receiving bucket 19 is connected to the top of the main box 11, and the filter screen 10 is connected to the rain receiving bucket 19 in an inclined manner. The rain receiving hopper 19 can receive rainwater falling down in rainy days, and the filter screen 10 can block sundries falling along with the rainwater, so that the sundries are prevented from entering the main tank 11 from the rain receiving hopper 19 to block water supply.

Further, the brush roller 35 is formed by connecting a first joint 351, a second joint 352 and more than two connecting sections 353, an inserting plate 354 is fixed on one side of the first joint and one side of each connecting section 353, a slot 355 is formed on the other side of each second joint 352 and the other side of each connecting section 353, the inserting plates 354 are matched with the slot 355, the first joint 351 is rotatably connected with the first sliding block 33, and the second joint 352 is rotatably connected with the second sliding block 34. After the distance between the first vertical rod 21 and the second vertical rod 22 is adjusted according to the width of the photovoltaic power generation panel, connecting sections 353 with proper quantity are selected according to the width to be spliced, then the connecting sections 353 are connected to the first joint 351 and the second joint 352, the connecting sections 353 and the joints are connected with the inserting grooves 355 through inserting plates 354, the inserting plates 354 are rectangular, rotation power can be well transmitted, and the connecting sections 353, the first joint 351 and the second joint 352 can rotate synchronously.

Further, the base frame is further included, and the base frame includes a bottom plate 51, a connecting block 52, an ejector rod 56 and a bearing plate 55. Connecting block 52 is fixed in the one end of bottom plate 51, has inlayed movable block 53 on the connecting block 52, and movable block 53 rotates with connecting block 52 to be connected, has seted up fluting 54 on the movable block 53, and the one end of accepting board 55 rotates to be connected on connecting block 52, and the stiff end of ejector pin 56 rotates to be connected on bottom plate 51, and the free end of ejector pin 56 rotates to be connected on accepting board 55.

When the device is not properly placed on the photovoltaic power generation board, the bottom frame can be utilized to support the cleaning device, the bottoms of the first vertical rod 21 and the second vertical rod 22 are inserted into the groove 54, the first vertical rod 21 and the second vertical rod 22 lean against the bearing plate 55, the angle of the bearing plate 55 can be adjusted by adjusting the extension or shortening of the ejector rod 56, so that the angle of the first vertical rod 21 and the angle of the second vertical rod 22 are close to the inclination angle of the photovoltaic power generation board to be cleaned, the cleaning roller 35 can touch the photovoltaic power generation board, the bearing plate 55 provides a supporting bearing for the cleaning device, the cleaning device can still achieve the cleaning purpose under the condition that the photovoltaic power generation board is not placed, the use flexibility of the cleaning device is improved, the cleaning device can be suitable for more types of photovoltaic power generation boards, and the application scene is wider.

Further, the suction cups 25 are fixed to the back of the first vertical bar 21 and the back of the second vertical bar 22. Make it can adsorb photovoltaic power generation board fire and also can adsorb on accepting board 55 through sucking disc 25, sucking disc 25 has better adsorption efficiency, adsorbs fixedly and releases to adsorb and all very simple swift connections, is favorable to improving the convenience that the device installation was removed.

Furthermore, a clamping sleeve 24 for fixing the position of the second vertical rod 22 is sleeved on the transverse plate 23. After the second vertical rod 22 is pulled to a proper position along the transverse plate 23, the clamping sleeve 24 is abutted against the second vertical rod 22, so that the second vertical rod 22 is prevented from shifting in the cleaning and maintenance process, and the overall stability of the device is prevented from being influenced.

Other techniques of the present embodiment employ existing techniques.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.