CN112212278A

CN112212278A - Equipment that solar panel snow removal removed dust of street lamp

Info

Publication number: CN112212278A
Application number: CN202011182744.1A
Authority: CN
Inventors: 褚婷缇
Original assignee: Tianjin Ulan Lamp Co ltd
Current assignee: Tianjin Ulan Lamp Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-12

Abstract

The invention discloses a device for removing snow and dust of a solar panel of a street lamp, which comprises a street lamp pole, wherein a machine body is fixedly arranged on the upper side of the street lamp pole, a cleaning cavity is arranged in the machine body, a moving groove is fixedly arranged on the lower side of the cleaning cavity, a moving cavity is arranged in the moving groove, a belt wheel cavity is arranged on the right side of the machine body, a power cavity is arranged on the left side of the machine body, a steering cavity is arranged on the lower side of the power cavity, a switching cavity is arranged on the lower side of the steering cavity, a gear cavity is arranged on the right side of the steering cavity, an automatic and movable switching device is arranged on the left side of the machine body, a movable device for switching steering is arranged in the moving cavity, and a cleaning device for cleaning snow and dust accumulated on the solar panel is arranged in, and keep solar panel's clean and tidy, also can clear up surperficial dust when needing, make solar panel can fully receive sunshine.

Description

Equipment that solar panel snow removal removed dust of street lamp

Technical Field

The invention relates to the field of solar LED lamps, in particular to a device for removing snow and dust of a solar panel of a street lamp.

Background

At present, along with the development of society, constantly develop in the aspect of people's energy-conservation and energy utilization, wherein including solar energy utilization, solar energy LED lamp is with the sunlight as energy source, daytime charge and use evening, need not complicated expensive pipeline and lay, can adjust the overall arrangement of lamps and lanterns wantonly, safe energy-conserving pollution-free, it is reliable and stable to need not manual operation work, save the charges of electricity, non-maintaining, but when snowing, solar panel can be covered by snow, can't absorb sunshine, need clear up snow, but manual cleaning is too troublesome, a large amount of LED lamps greatly increased intensity of labour and cost, and long-term use can make solar panel accumulate the dust, this absorption that also can weaken sunshine.

Disclosure of Invention

Aiming at the technical defects, the invention provides a device for removing snow and dust of a solar panel of a street lamp, which can overcome the defects.

The invention discloses a device for removing snow and dust of a solar panel of a street lamp, which comprises a street lamp pole, wherein a machine body is fixedly arranged on the upper side of the street lamp pole, a cleaning cavity is arranged in the machine body, a moving groove is fixedly arranged on the lower side of the cleaning cavity, a moving cavity is arranged in the moving groove, a belt wheel cavity is arranged on the right side of the machine body, a power cavity is arranged on the left side of the machine body, a steering cavity is arranged on the lower side of the power cavity, a switching cavity is arranged on the lower side of the steering cavity, a gear cavity is arranged on the right side of the steering cavity, and a switching device for switching;

the switching device comprises a main motor fixedly arranged on the right side wall of the power cavity, the main motor is in power connection with a motor shaft, a first belt wheel is fixedly arranged on the motor shaft, an electromagnetic impeller is fixedly arranged on the left side wall of the switching cavity, a first rotating shaft is in power connection with the electromagnetic impeller and can rotate, a second belt wheel is in splined connection with the first rotating shaft, the second belt wheel is in rotating connection with the left side wall of the switching cavity, a power belt is connected between the second belt wheel and the first belt wheel, a first gear is fixedly arranged on the right side of the first rotating shaft, a second rotating shaft is rotatably connected between the switching cavity and the gear cavity, a second gear is fixedly arranged on the left side of the second rotating shaft, a second half gear is fixedly arranged on the second rotating shaft in the gear cavity, the half gear is an incomplete gear, a fixed sliding plate is fixedly arranged on the lower side wall of the steering, the rotating shaft six can rotate in the fixed sliding plate, a rotating shaft sleeve I is rotatably connected to the lower side of the rotating shaft six, a supporting slide rod is slidably connected to the lower side wall of the steering cavity, a connecting push rod fixedly connected with the rotating shaft sleeve I is fixedly arranged on the supporting slide rod, a contact push plate is fixedly arranged on the left side of the connecting push rod, and a bevel gear five and a gear four are fixedly arranged on a rotating shaft seven;

the movable cavity is provided with a movable device for switching and steering, and the cleaning cavity is internally provided with a cleaning device for cleaning snow and dust accumulated on the solar panel.

Preferably, the six middle rotating shafts are rotatably connected with a second rotating shaft sleeve, the left side of the second rotating shaft sleeve is rotatably connected with a seventh rotating shaft, the seventh rotating shaft slides in the left side wall of the switching cavity, the right side wall of the steering cavity is fixedly provided with a fixed sleeve, the fixed sleeve is slidably connected with a sliding rod fixedly connected with the second rotating shaft sleeve, a reset spring is connected between the sliding rod and the fixed sleeve, the six high-pressure water of the rotating shafts and a bevel gear four meshed with the bevel gear five are fixedly arranged on the six upper sides of the rotating shafts, the steering cavity and the moving cavity are rotatably connected with a fifth rotating shaft, the five left side of the rotating shafts is fixedly provided with a first bevel gear meshed with the bevel gear three, the five right side of the rotating shafts is fixedly provided with a second bevel gear, the five right side of the rotating shafts is fixedly provided with a screw rod.

Preferably, cleaning device installs including rotating the center pin of lateral wall about the clearance chamber, the center pin right side has set firmly to rotate to be connected in the pivot four of pulley chamber lateral wall, the pulley four has set firmly in the pivot four, the gear chamber with it is connected with pivot three to rotate between the pulley chamber, in the gear chamber the pivot three on set firmly with half gear engagement's gear three, in the pulley chamber the pulley three on set firmly pulley three in the pivot, pulley three with be connected with driving belt between the pulley four, two fixed blocks have set firmly on the center pin, every pressure detector has set firmly in the fixed block, sliding connection has the connecting block on the pressure detector, the connecting block with be connected with pressure spring between the pressure detector, two solar panel has set firmly on the connecting block.

Preferably, the mobile device includes fixed mounting and is in remove the steering gear of chamber right side wall one, set firmly push rod one on the steering gear one, sliding connection has the buffering push rod in the push rod one, the buffering push rod with be connected with buffer spring one between the push rod one, the shifting chute left side has set firmly steering gear two, push rod two has set firmly on the steering gear two, sliding connection has the slurcam in the push rod two, the slurcam with be connected with buffer spring two between the push rod two, threaded connection has the removal nut on the lead screw, the last gliding nut connecting rod of shifting chute that has set firmly of removal nut, nut connecting rod upside has set firmly the brush board, be equipped with the brush of clearance on the brush board.

The beneficial effects are that: the utility model provides an equipment that solar panel of street lamp removed snow and removes dust, wherein detection device can automated inspection snow and supplementary mobile device clearance snow, mobile device can make a round trip reciprocating motion, with the adnexed snow on the clearance solar panel, auto-control switching over of auto-control removes and detection device's function, this equipment can automated inspection and clearance snow, need not artifical manual clearance, can reduce human cost and intensity of labour, and keep solar panel clean and tidy, also can clear up surperficial dust when needing, make solar panel can fully receive sunshine.

Drawings

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

FIG. 1 is a schematic overall sectional view of the snow and dust removing device of a solar panel of a street lamp, which is a front view structure;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

fig. 3 is a partial enlarged view of the invention at B in fig. 1.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-3, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a device for removing snow and dust of a solar panel of a street lamp, which comprises a street lamp post 63, wherein a machine body 10 is fixedly arranged on the upper side of the street lamp post 63, a cleaning cavity 70 is arranged in the machine body 10, a moving groove 34 is fixedly arranged on the lower side of the cleaning cavity 70, a moving cavity 71 is arranged in the moving groove 34, a belt wheel cavity 69 is arranged on the right side of the machine body 10, a power cavity 65 is arranged on the left side of the machine body 10, a steering cavity 66 is arranged on the lower side of the power cavity 65, a switching cavity 67 is arranged on the lower side of the steering cavity 66, a gear cavity 68 is arranged on the right side of the steering cavity 66, a switching device 74 for switching between automatic operation and moving operation is arranged on the left side of the machine body 10, the switching device 74 comprises a main motor 11 fixedly arranged on the right side wall of the power cavity 65, the main motor 11 is in power connection with a motor, the electromagnetic pusher 17 is connected with a first rotating shaft 16 in a power mode, the first rotating shaft 16 can rotate, a second belt wheel 15 is connected to the first rotating shaft 16 in a spline mode, the second belt wheel 15 is connected to the left side wall of the switching cavity 67 in a rotating mode, a power belt 14 is connected between the second belt wheel 15 and the first belt wheel 13, a first gear 18 is fixedly arranged on the right side of the first rotating shaft 16, a second rotating shaft 19 is connected between the switching cavity 67 and the gear cavity 68 in a rotating mode, a second gear 20 is fixedly arranged on the left side of the second rotating shaft 19, a second half gear 21 is fixedly arranged on the second rotating shaft 19 in the gear cavity 68, the half gear 21 is an incomplete gear, a fixed sliding plate 64 is fixedly arranged on the lower side wall of the steering cavity 66, a sixth rotating shaft 51 is connected to the fixed sliding plate 64 in a sliding mode, the sixth rotating shaft 51 can rotate in the fixed sliding plate 64, and, a supporting slide rod 57 is connected to the lower side wall of the steering cavity 66 in a sliding manner, a connecting push rod 58 fixedly connected with the first rotating shaft sleeve 56 is fixedly arranged on the supporting slide rod 57, a contact push plate 59 is fixedly arranged on the left side of the connecting push rod 58, a bevel gear five 53 and a gear four 54 are fixedly arranged on the seventh rotating shaft 55, a moving device 73 for switching steering is arranged at the position of the moving cavity 71, and a cleaning device 72 for cleaning snow and dust on the solar panel is arranged in the cleaning cavity 70.

Beneficially, a second rotating shaft sleeve 60 is rotatably connected to the sixth rotating shaft 51, a seventh rotating shaft 55 is rotatably connected to the left side of the second rotating shaft sleeve 60, the seventh rotating shaft 55 slides in the left side wall of the switching cavity 67, a fixed sleeve 61 is fixedly arranged on the right side wall of the steering cavity 66, a sliding rod 75 fixedly connected with the second rotating shaft sleeve 60 is slidably connected to the fixed sleeve 61, a return spring 62 is connected between the sliding rod 75 and the fixed sleeve 61, a fourth bevel gear 52 meshed with the fifth bevel gear 53 is arranged on the sixth rotating shaft 51, a third bevel gear 50 is fixedly arranged on the upper side of the sixth rotating shaft 51, a fifth rotating shaft 47 is rotatably connected between the steering cavity 66 and the moving cavity 71, a first bevel gear 48 meshed with the third bevel gear 50 is fixedly arranged on the left side of the fifth rotating shaft 47, a second bevel gear 49 is fixedly arranged on the right side of the fifth rotating shaft 47, and a screw rod 35, the right side of the screw 35 is rotatably connected with the right side wall of the moving cavity 71, so that the main motor 11 is started, the motor shaft 12 rotates to drive the first belt wheel 13 to rotate, the second belt wheel 15 is driven to rotate by the power belt 14, the first rotating shaft 16 is driven to rotate to drive the first gear 18 to rotate, when the electromagnetic impeller 17 is started, the electromagnetic impeller 17 drives the first rotating shaft 16 to move left, the first gear 18 moves left and is meshed with the second gear 20, the first gear 18 drives the second gear 20 to rotate, the second gear 20 drives the half gear 21 to rotate, when the electromagnetic impeller 17 drives the first rotating shaft 16 to move right, the first gear 18 moves right and is meshed with the fourth gear 54, the first gear 18 drives the fourth gear 54 to rotate, the fifth gear 53 rotates, the fifth gear 53 drives the fourth gear 52 and the third gear 50 to rotate, the rotating shaft six 51 rotates in the fixed sliding plate 64, the bevel gear three 50 drives the bevel gear one 48 and the rotating shaft five 47 to rotate, and the rotating shaft five 47 drives the screw rod 35 to rotate.

Beneficially, the cleaning device 72 includes a central shaft 28 rotatably installed on left and right side walls of the cleaning chamber 70, a rotating shaft four 27 rotatably connected to a side wall of the pulley chamber 69 is fixedly installed on the right side of the central shaft 28, a pulley four 26 is fixedly installed on the rotating shaft four 27, a rotating shaft three 23 is rotatably connected between the gear chamber 68 and the pulley chamber 69, a gear three 22 engaged with the half gear 21 is fixedly installed on the rotating shaft three 23 in the gear chamber 68, a pulley three 24 is fixedly installed on the rotating shaft three 23 in the pulley chamber 69, a transmission belt 25 is connected between the pulley three 24 and the pulley four 26, two fixing blocks 29 are fixedly installed on the central shaft 28, a pressure detector 31 is fixedly installed in each fixing block 29, a connecting block 33 is slidably connected to the pressure detector 31, and a pressure spring 32 is connected between the connecting block 33 and the pressure detector 31, two solar panel 30 has set firmly on the connecting block 33, thereby work as behind solar panel 30 snow, snow pushes down solar panel 30, connecting block 33 is in decline in the fixed block 29, the compression pressure spring 32, pressure detector 31 detects pressure, starts main motor 11, then works as when half gear 21 rotates, half gear 21 drives three 22 of gear rotate, drive three 24 of band pulley rotate, through driving belt 25 drives four 26 of band pulley with four 27 of pivot rotate, four 27 of pivot drive center pin 28 rotates, makes solar panel 30 rotatory arrive in clearance chamber 70, half gear 21 drives three 22 of gear rotate can make solar panel 30 just rotate in clearance chamber 70 and perpendicularly down.

Advantageously, the moving device 73 comprises a first steering gear 36 fixedly mounted on the right side wall of the moving cavity 71, a first push rod 37 is fixedly mounted on the first steering gear 36, a buffer push rod 39 is slidably connected in the first push rod 37, a first buffer spring 38 is connected between the buffer push rod 39 and the first push rod 37, a second steering gear 44 is fixedly mounted on the left side of the moving cavity 34, a second push rod 46 is fixedly mounted on the second steering gear 44, a pushing plate 43 is slidably connected in the second push rod 46, a second buffer spring 45 is connected between the pushing plate 43 and the second push rod 46, a moving nut 40 is threadedly connected to the screw rod 35, a nut connecting rod 41 sliding in the moving cavity 34 is fixedly mounted on the moving nut 40, a brush plate 42 is fixedly mounted on the upper side of the nut connecting rod 41, a cleaning brush is arranged on the brush plate 42, so that when the solar panel 30 enters the cleaning cavity 70, the electromagnetic driver 17 pushes the gear 18 to move right, so that the gear 18 is meshed with the gear four 54, the gear 18 drives the gear four 54 to rotate, and then drives the rotating shaft five 47 and the screw rod 35 to rotate, so that the moving nut 40 moves on the screw rod 35, and drives the nut connecting rod 41 and the brush plate 42 to move, the brush on the brush plate 42 cleans the surface of the solar panel 30, when the moving nut 40 moves rightmost, the moving nut 40 pushes the buffer push rod 39, the buffer spring one 38 is compressed, the diverter one 36 controls the electromagnetic driver 17 to drive the rotating shaft one 16 to move right continuously, the gear 18 moves right to push the contact push plate 59 and the connecting push rod 58, the support slide rod 57 slides on the lower side wall of the diversion cavity 66, and pushes the rotating shaft six 51 to move right, the rotating shaft six 51 slides in the fixed sliding plate 64, the rotating shaft six 51 drives the rotating shaft seven 55 and the sliding rod 75 to move to the right, the rotating shaft seven 55 drives the bevel gear five 53 and the gear four 54 to move, the gear one 18 is meshed with the gear four 54, the return spring 62 is compressed, the bevel gear three 50 moves to the right and is meshed with the bevel gear two 49, the bevel gear three 50 drives the bevel gear two 49 to rotate, the rotating shaft five 47 is reversed, the screw rod 35 is reversed, the moving nut 40 moves to the left, the brushes on the brush plate 42 clean the surface of the solar panel 30 again, when the moving nut 40 moves to the leftmost side of the moving cavity 71, the moving nut 40 pushes the pushing plate 43 to compress the buffer spring two 45, and the diverter two 44 controls the electromagnetic pusher 17 to drive the rotating shaft one 16 to move to the left, the rotating shaft six 51 moves to the left under the action of the return spring 62, the gear one 18 is separated from the contact push plate 59, the rotating shaft six 51 is reset, the bevel gear three 50 is meshed with the bevel gear one 48 again, the gear one 18 is kept meshed with the gear four 54, and when snow does not exist, the main motor 11 can be started to clean dust on the surface of the solar panel 30.

In the initial state, the main motor 11 and the electromagnetic driver 17 are not activated, the solar panel 30 is outside the body 10, the moving nut 40 is on the left side of the screw 35, and the first gear 18 is separated from the second gear 20 and the fourth gear 54.

When the work is started, the main motor 11 is started, the motor shaft 12 rotates to drive the belt wheel 13 to rotate, the belt wheel 15 is driven to rotate through the power belt 14, the rotating shaft 16 rotates to drive the gear wheel 18 to rotate, when the electromagnetic impeller 17 drives the rotating shaft 16 to move left after being started, the gear wheel 18 moves left and is meshed with the gear wheel 20, the gear wheel 18 drives the gear wheel 20 to rotate, the gear wheel 20 drives the half gear 21 to rotate, when the electromagnetic impeller 17 drives the rotating shaft 16 to move right, the gear wheel 18 moves right and is meshed with the gear wheel four 54, the gear wheel 18 drives the gear wheel four 54 to rotate, the bevel gear wheel five 53 rotates, the bevel gear wheel five 53 drives the bevel gear wheel four 52 and the bevel gear wheel three 50 to rotate, the rotating shaft six 51 rotates in the fixed sliding plate 64, the bevel gear wheel three 50 drives the bevel gear wheel one 48 and the rotating shaft five 47 to rotate, the rotating shaft five 47 drives the screw 35, the accumulated snow presses the solar panel 30 downwards, the connecting block 33 descends in the fixed block 29, the pressure spring 32 is compressed, the pressure detector 31 detects the pressure, the main motor 11 is started, then when the half gear 21 rotates, the half gear 21 drives the gear three 22 to rotate, the belt wheel three 24 is driven to rotate, the belt wheel four 26 and the rotating shaft four 27 are driven to rotate through the transmission belt 25, the rotating shaft four 27 drives the central shaft 28 to rotate, the solar panel 30 rotates into the cleaning cavity 70, the half gear 21 drives the gear three 22 to rotate, the solar panel 30 can just rotate in the cleaning cavity 70 and vertically downwards, after the solar panel 30 enters the cleaning cavity 70, the electromagnetic pusher 17 pushes the gear one 18 to move rightwards, the gear one 18 is meshed with the gear four 54, the gear one 18 drives the gear four 54 to rotate, then the rotating shaft five 47 and the screw rod 35 are driven to rotate, the moving nut 40 moves on the screw rod 35, the nut connecting rod 41 and the brush plate, the surface of the solar panel 30 is cleaned by the brush on the brush plate 42, when the moving nut 40 moves rightmost, the moving nut 40 pushes the buffer push rod 39, the buffer spring I38 is compressed, the diverter I36 controls the electromagnetic pusher 17 to drive the rotating shaft I16 to move rightmost, the gear I18 moves rightmost to push the contact push plate 59 and the connecting push rod 58, the support slide rod 57 slides on the lower side wall of the steering cavity 66 to push the rotating shaft VI 51 to move rightmost, the rotating shaft VI 51 slides in the fixed slide plate 64, the rotating shaft VI 51 drives the rotating shaft VII 55 and the slide rod 75 to move rightmost, the rotating shaft VII drives the bevel gear V53 and the gear IV 54 to move, the gear I18 is kept meshed with the gear IV 54, the return spring 62 is compressed, the bevel gear III 50 moves rightmost and is meshed with the bevel gear II 49, the bevel gear III 50 drives the bevel gear II 49 to rotate, the rotating shaft V47 is reversed, the screw 35 is reversed, the moving nut 40 moves leftmost, when the moving nut 40 moves to the leftmost side of the moving cavity 71, the moving nut 40 pushes the pushing plate 43 to compress the second buffer spring 45, the second diverter 44 controls the electromagnetic pusher 17 to drive the first rotating shaft 16 to move leftwards, the sixth rotating shaft 51 moves leftwards under the action of the return spring 62, the first gear 18 is separated from the contact pushing plate 59, the sixth rotating shaft 51 is reset, the third bevel gear 50 is meshed with the first bevel gear 48 again, the first gear 18 is kept meshed with the fourth gear 54, and when snow does not exist, the main motor 11 can be started to clean dust on the surface of the solar panel 30.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an equipment that solar panel snow removal removed dust of street lamp, includes light pole, its characterized in that: the street lamp comprises a street lamp pole, and is characterized in that a machine body is fixedly arranged on the upper side of the street lamp pole, a cleaning cavity is arranged in the machine body, a moving groove is fixedly arranged on the lower side of the cleaning cavity, a moving cavity is arranged in the moving groove, a belt wheel cavity is arranged on the right side of the machine body, a power cavity is arranged on the left side of the machine body, a steering cavity is arranged on the lower side of the power cavity, a switching cavity is arranged on the lower side of the steering cavity, a gear cavity is arranged on the right side of the steering cavity, and;

2. The solar panel snow and dust removing apparatus for street lamps according to claim 1, wherein: six rotary connections in the pivot have pivot cover two, two left sides of pivot cover rotate and are connected with pivot seven, pivot seven is in slide in the switching chamber left side wall, turn to the chamber right side wall and set firmly fixed cover, in the fixed cover sliding connection have with two fixed connection's of pivot cover slide bar, the slide bar with be connected with reset spring between the fixed cover, six high-pressure water in the pivot with five meshing bevel gears four, six upside in the pivot have set firmly bevel gear three, turn to the chamber with it is connected with pivot five to move to rotate between the chamber, five left sides in the pivot have set firmly with three meshing bevel gears one, five right sides in the pivot have set firmly bevel gear two, five right sides in the pivot have set firmly the lead screw, the lead screw right side with it is connected to move the chamber right side wall rotation.

3. The solar panel snow and dust removing apparatus for street lamps according to claim 1, wherein: cleaning device installs including rotating the center pin of lateral wall about the clearance chamber, the center pin right side has set firmly to rotate to be connected the pivot four of pulley chamber lateral wall, the pivot four is last to set firmly band pulley four, the gear chamber with it is three to rotate between the band pulley chamber to be connected with the pivot, in the gear chamber the pivot three go up set firmly with half gear engagement's gear three, in the band pulley chamber the pivot three is last to set firmly band pulley three, band pulley three with be connected with driving belt between the band pulley four, two fixed blocks have set firmly on the center pin, every thermodetector has set firmly in the fixed block, sliding connection has the connecting block on the thermodetector, the connecting block with be connected with compression spring, two be connected with solar panel on the connecting block.

4. The solar panel snow and dust removing apparatus for street lamps according to claim 1, wherein: the moving device comprises a first steering gear fixedly installed on the right side wall of the moving cavity, a first push rod is fixedly arranged on the first steering gear, a buffer push rod is slidably connected to the first push rod, the buffer push rod is connected with a first buffer spring between the first push rod, a second steering gear is fixedly arranged on the left side of the moving groove, a second push rod is fixedly arranged on the second steering gear, a push plate is slidably connected to the second push rod, the push plate is connected with a second buffer spring between the second push rod, a moving nut is connected to the lead screw in a threaded manner, a nut connecting rod sliding in the moving groove is fixedly arranged on the moving nut, a brush plate is fixedly arranged on the upper side of the nut connecting rod, and a brush for cleaning is arranged on the brush plate.