CN219834073U - Photovoltaic cell piece self-cleaning system - Google Patents

Abstract

The utility model belongs to the technical field of photovoltaic cells, and particularly relates to a photovoltaic cell self-cleaning system, which aims to solve the technical problems that the cleaning effect is poor and water is wasted when the photovoltaic cells are cleaned.

Description

Photovoltaic cell piece self-cleaning system

Technical Field

The utility model belongs to the technical field of photovoltaic cells, and particularly relates to a photovoltaic cell self-cleaning system.

Background

The self-cleaning system for the photovoltaic cell is a common device in the technical field of photovoltaic cell, but when the photovoltaic cell is cleaned, the cleaning effect of the general self-cleaning system for the photovoltaic cell is poor, and meanwhile, the water is wasted.

Disclosure of Invention

The utility model aims to provide a self-cleaning system for a photovoltaic cell, which aims to solve the technical problems that the cleaning effect is poor and water is wasted when the photovoltaic cell is cleaned.

In order to achieve the above purpose, the specific technical scheme of the photovoltaic cell self-cleaning system provided by the utility model is as follows:

the utility model provides a photovoltaic cell piece automatically cleaning system, includes the photovoltaic cell piece, including installing support, battery piece fixed bolster, roll cleaning subassembly, water spray subassembly and interlock subassembly, fixed mounting has battery piece fixed bolster on the installing support, installs a plurality of photovoltaic cell pieces on the battery piece fixed bolster, installs roll cleaning subassembly on the battery piece fixed bolster, and roll cleaning subassembly is connected with the interlock subassembly, and the interlock subassembly is connected with water spray subassembly, and roll cleaning subassembly, water spray subassembly and interlock subassembly are installed simultaneously on the installing support.

Further, the rolling cleaning assembly comprises a first rectangular limiting frame, a driving rotary column, a driving rod, a first rectangular sliding block, a cleaning roller, meshing straight teeth and a matching rack, the first rectangular sliding groove is formed in the battery piece fixing support, the first inner end of the first rectangular sliding groove is fixedly provided with the first inner end sliding column, a rectangular matching block is arranged on the driving rod and is slidably mounted at the inner end of the first rectangular sliding groove, the first rectangular limiting frame is fixedly mounted on the battery piece fixing support, the first rectangular sliding block is slidably mounted on the first rectangular limiting frame and is rotatably connected with one end of the driving rotary column, the meshing straight teeth are fixedly mounted on the driving rotary column, the cleaning roller is fixedly mounted on the driving rotary column and is matched and connected with one end of the driving rod, the other end of the driving rod is connected with the linkage assembly, the meshing straight teeth are in meshed transmission with the matching rack, and the matching rack is fixedly connected with the battery piece fixing support.

Further, the water spraying component comprises a water outlet pipe, a transition sleeve, a piston sleeve, a communicating water pipe, a water tank, a piston connecting rod, a hinged connecting rod, a driving turntable, a rectangular sliding groove II, an inner end clamping groove I, an execution motor and an inner end piston plate, one end of the water outlet pipe is arranged on the upper side of a photovoltaic cell piece, the other end of the water outlet pipe is fixedly arranged in the transition sleeve, the piston sleeve is fixedly arranged on the transition sleeve, the inner end of the piston sleeve is slidably provided with the inner end piston plate, the inner end piston plate is fixedly arranged at one end of the piston connecting rod, the other end of the piston connecting rod is hinged on the hinged connecting rod, the hinged connecting rod is hinged with the inner end sliding block I, the piston sleeve is fixedly arranged on the bracket III, the mounting bracket II is fixedly arranged on the bracket II, the driving turntable is rotatably arranged on the bracket III, the rectangular sliding groove II is arranged on the driving turntable, the inner end of the rectangular sliding groove II is provided with a plurality of inner end clamping grooves I, the rectangular matching block is provided with inner end clamping rods I in a sliding manner, the number of the inner end clamping rods I is two, an inner end clamping rod pushing spring I is arranged between the two inner end clamping rods I, the inner end clamping rods I are matched and connected with the inner end clamping grooves I, a driving bevel gear I is fixedly arranged on a driving rotary table and is in meshed transmission with the driving bevel gear II, the driving bevel gear II is fixedly arranged at one end of a bevel gear rotating shaft II, a bracket I is fixedly arranged on a mounting bracket, the other end of the bevel gear rotating shaft II is rotatably arranged on the bracket I, a base I is fixedly arranged on the mounting bracket, an executing motor is arranged on the base I, an output shaft of the executing motor is connected with the bevel gear rotating shaft II, a transition sleeve is fixedly arranged at one end of a communicating water pipe, the other end of the communicating water pipe is arranged in a water tank, and a plurality of rectangular through holes are formed in the circumference of the part of the communicating water pipe arranged in the water tank.

Further, a plurality of the inner end clamping grooves are arranged along the radial linear array of the driving turntable.

Further, a one-way water outlet valve is arranged between the transition sleeve and the water outlet pipe, so that one-way water outlet between the transition sleeve and the water outlet pipe is realized.

Further, a one-way water inlet valve is arranged between the transition sleeve and the communicating water pipe.

Further, the interlock subassembly is including connecting the first, connection band pulley, driving belt one, band pulley pivot one, connection band pulley two and drive awl tooth three, connection band pulley one fixed mounting is in the one end of connecting the first, the other end fixed mounting of connection swivel post has drive awl tooth three, connection swivel post one is rotated and is installed on the installing support, driving belt one end is connected on connection band pulley one, driving belt one's the other end is connected in band pulley pivot one, connection band pulley two fixed mounting is in band pulley pivot one, band pulley pivot one is rotated and is installed on the installing support, drive awl tooth three with drive awl tooth one meshing transmission, install the actuating cylinder on connection band pulley two, actuating cylinder and actuating lever sliding fit are connected.

The utility model has the advantages that:

1. the driving rod is driven to move through the linkage assembly, the driving rod drives the rectangular matching block to slide back and forth at the inner end of the first rectangular chute, the driving column is driven to move through the driving rod, meanwhile, the first rectangular sliding block slides back and forth at the inner end of the first rectangular limiting frame, further, the driving column is driven to rotate through meshing transmission between the meshing straight teeth and the matched racks, the cleaning roller is driven to rotate, rolling contact between the cleaning roller and the photovoltaic cell is realized through the rolling contact between the cleaning roller and the photovoltaic cell, and rolling cleaning of dirt such as dust retained on the photovoltaic cell is realized through the matching of the water spraying assembly, so that cleaning efficiency is improved;

2. starting an execution motor and driving a bevel gear rotating shaft II to rotate, driving a driving turntable to rotate through meshed transmission between a driving bevel gear I and a driving bevel gear II, driving a hinged connecting rod to move through sliding fit between a rectangular sliding groove II and an inner end sliding block I, driving a piston connecting rod and an inner end piston plate to reciprocate along the axial direction of a piston sleeve through the hinged connecting rod, further enabling water in a water tank to enter a communicating water pipe through a rectangular through hole, flow into a water outlet pipe through a transition sleeve and flow out through the water outlet pipe, enabling water flow to flow along the inclined direction of a photovoltaic cell under the action of gravity, and matching with a cleaning roller to clean the photovoltaic cell; meanwhile, the first inner end sliding block is slid along the second rectangular sliding groove, so that the radius of the first inner end sliding block along with the circumferential movement of the driving turntable is changed, the stroke of the inner end piston plate in the reciprocating movement of the inner end of the piston sleeve is changed, the water yield is adjusted, the photovoltaic cell is washed secondarily, and the washing effect is improved; meanwhile, the water yield is regulated, so that the flushing effect is achieved, and meanwhile, the water saving effect is realized;

3. the first driving bevel gear rotates and drives the second bevel gear rotating shaft to rotate, the first connecting belt pulley is driven to move through the first connecting rotating column, the first belt pulley rotating shaft is driven to rotate through the first connecting belt pulley, the second driving belt pulley is driven to move through the second connecting belt pulley, and the driving rod drives the first inner end sliding block to reciprocate at the inner end of the first inner end sliding block through sliding fit between the driving column and the driving rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the whole structure of the present utility model;

FIG. 3 is a schematic view of the section line location of FIG. 1;

FIG. 4 is a cross-sectional view taken along section A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along section B-B of FIG. 3;

FIG. 6 is a cross-sectional view taken along section C-C of FIG. 3;

FIG. 7 is a cross-sectional view taken along section D-D of FIG. 3;

FIG. 8 is a schematic view of a driving rod structure according to the present utility model;

FIG. 9 is a schematic view of a mounting bracket of the present utility model;

the figure indicates:

a mounting bracket 1; a battery piece fixing support 2; a rectangular chute I3; an inner end strut I4; a first rectangular limiting frame 5; driving the rotary column 6; a drive lever 7; a rectangular sliding block I8; a washing drum 9; engaging the spur gear 10; a mating rack 11; a water outlet pipe 12; a transition sleeve 13; a piston sleeve 14; a communicating water pipe 15; a water tank 16; a piston rod 17; a hinge link 18; a drive turntable 19; rectangular sliding grooves II 20; an inner end clamping groove I21; an execution motor 22; a first connecting rotary column 23; a first connecting belt pulley 24; a first transmission belt 25; pulley spindle one 26; a second connecting belt wheel 27; driving the first bevel gear 28; driving the second bevel gear 29; a bevel gear rotating shaft II 30; a photovoltaic cell 31; a rectangular through hole 32; an inner end piston plate 33; an inner end slider 34; an inner end clamping rod I35; the inner clamping rod pushes the first spring 36; driving three bevel gears 37; a rectangular mating block 38; a bracket one 39; a first base 40; a second bracket 41; a third bracket 42; the post 43 is driven.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

As shown in fig. 1-9, a self-cleaning system for photovoltaic cell pieces comprises a photovoltaic cell piece 31, and comprises a mounting bracket 1, a cell piece fixing support 2, a rolling cleaning assembly, a water spraying assembly and a linkage assembly, wherein the cell piece fixing support 2 is fixedly installed on the mounting bracket 1, a plurality of photovoltaic cell pieces 31 are installed on the cell piece fixing support 2, the rolling cleaning assembly is connected with the linkage assembly, the linkage assembly is connected with the water spraying assembly, and the rolling cleaning assembly, the water spraying assembly and the linkage assembly are simultaneously installed on the mounting bracket 1.

Example 2

As shown in fig. 1-9, the rolling cleaning assembly comprises a rectangular limiting frame one 5, a driving rotary column 6, a driving rod 7, a rectangular sliding block one 8, a cleaning roller 9, meshing straight teeth 10 and a matching rack 11, wherein a rectangular sliding groove one 3 is formed in the battery piece fixing support 2, the inner end of the rectangular sliding groove one 3 is fixedly provided with an inner end sliding column one 4, a rectangular matching block 38 is arranged on the driving rod 7, the rectangular matching block 38 is slidably arranged at the inner end of the rectangular sliding groove one 3, the rectangular limiting frame one 5 is fixedly arranged on the battery piece fixing support 2, the rectangular sliding block one 8 is slidably arranged on the rectangular limiting frame one 5, the rectangular sliding block one 8 is rotatably connected with one end of the driving rotary column 6, the other end of the driving rotary column 6 is fixedly provided with the meshing straight teeth 10, the cleaning roller 9 is fixedly arranged on the driving rotary column 6, the driving rotary column 6 is in matched connection with one end of the driving rod 7, the other end of the driving rod 7 is connected with the matching rack 11, the matching rack 11 is in meshed transmission, the matching rack 11 is fixedly connected with the battery piece fixing support 2, the inner end is slidably arranged through the inner end sliding column one 4, the rectangular sliding block one end sliding column 7 is slidably arranged on the driving rotary column 7, the inner end 7 is slidably arranged on the driving rotary column 7, the driving rotary column 7 is in sliding column 6 is in sliding contact with the cleaning roller 6, and the cleaning roller 31 is in sliding mode, the sliding groove 6 is in contact with the cleaning roller 6 is in sliding mode, and the sliding groove 31 is in contact with the driving rotary column 6, and the cleaning roller 6 is in sliding roller 6 is in contact with the sliding roller 6, and the cleaning roller is in contact with the sliding roller 6 is in contact with the cleaning roller 3, and the cleaning roller is in the sliding roller is in contact with the cleaning roller 3. The cleaning efficiency is improved.

Example 3

As shown in fig. 1-9, the water spraying assembly comprises a water outlet pipe 12, a transition sleeve 13, a piston sleeve 14, a communicating water pipe 15, a water tank 16, a piston connecting rod 17, a hinged connecting rod 18, a driving turntable 19, a rectangular sliding groove two 20, an inner end clamping groove one 21, an actuating motor 22 and an inner end piston plate 33, wherein one end of the water outlet pipe 12 is arranged on the upper side of a photovoltaic cell piece 31, the other end of the water outlet pipe 12 is fixedly arranged in the transition sleeve 13, the piston sleeve 14 is fixedly arranged on the transition sleeve 13, the inner end of the piston sleeve 14 is slidably arranged with an inner end piston plate 33, the inner end piston plate 33 is fixedly arranged at one end of the piston connecting rod 17, the other end of the piston connecting rod 17 is hinged on the hinged connecting rod 18, the hinged connecting rod 18 is hinged with an inner end sliding block one 34, the piston sleeve 14 is fixedly arranged on a bracket three 42, a bracket two 41 is fixedly arranged on the mounting bracket 1, the bracket two 41 is fixedly connected with the bracket three 42, the third bracket 42 is rotatably provided with a driving turntable 19, the driving turntable 19 is provided with a second rectangular chute 20, the inner end of the second rectangular chute 20 is provided with a plurality of first inner end clamping grooves 21, the rectangular matching block 38 is provided with a first inner end clamping rod 35 in a sliding manner, the first inner end clamping rods 35 are provided with two inner end clamping rods, an inner end clamping rod pushing spring 36 is arranged between the first inner end clamping rods 35, the first inner end clamping rods 35 are connected with the first inner end clamping grooves 21 in a matching manner, the driving turntable 19 is fixedly provided with a first driving bevel gear 28, the first driving bevel gear 28 is meshed with and transmitted with a second driving bevel gear 29, the second driving bevel gear 29 is fixedly arranged at one end of a second bevel gear rotating shaft 30, the mounting bracket 1 is fixedly provided with a first bracket 39, the other end of the second bevel gear rotating shaft 30 is rotatably arranged on the first bracket 39, the mounting bracket 1 is fixedly provided with a first base 40, the first base 40 is provided with an actuating motor 22, the output shaft of the execution motor 22 is connected with a bevel gear rotating shaft II 30, the transition sleeve 13 is fixedly arranged at one end of the communication water pipe 15, the other end of the communication water pipe 15 is arranged in the water tank 16, a plurality of rectangular through holes 32 are circumferentially formed in the part, which is arranged in the water tank 16, of the communication water pipe 15, the execution motor 22 is started to drive the bevel gear rotating shaft II 30 to rotate, the driving turntable 19 is driven to rotate through the meshing transmission between the driving bevel gear II 28 and the driving bevel gear II 29, the hinged connecting rod 18 is driven to move through the sliding fit between the rectangular sliding groove II 20 and the inner end sliding block I34, the piston connecting rod 17 and the inner end piston plate 33 are driven to reciprocate along the axial direction of the piston sleeve 14 through the hinged connecting rod 18, water in the water tank 16 enters the communication water pipe 15 through the rectangular through the through holes 32, flows into the water outlet pipe 12 through the transition sleeve 13, flows out through the water outlet pipe 12, and is driven to flow along the inclined direction of the photovoltaic cell 31 under the action of gravity, and the cleaning drum 9 is matched to clean the photovoltaic cell 31; meanwhile, the first inner end sliding block 34 is slid along the second rectangular sliding groove 20, so that the radius of the first inner end sliding block 34 along with the circumferential movement of the driving turntable 19 is changed, the stroke of the inner end piston plate 33 in the inner end of the piston sleeve 14 is changed, the water yield is adjusted, the photovoltaic cell 31 is washed and simultaneously the photovoltaic cell 31 is washed by adjusting the water yield, and the washing effect is improved; meanwhile, the water yield is regulated, so that the flushing effect is achieved, and meanwhile, the water saving effect is realized.

Wherein, a plurality of said inner end clamping grooves 21 are arranged along the radial linear array of the driving turntable 19.

Example 1

As shown in fig. 1-9, a one-way water outlet valve is arranged between the transition sleeve 13 and the water outlet pipe 12, so that one-way water outlet between the transition sleeve 13 and the water outlet pipe 12 is realized.

Example 1

As shown in fig. 1-9, a one-way water inlet valve is arranged between the transition sleeve 13 and the communicating water pipe 15.

Example 4

As shown in fig. 1-9, the linkage assembly comprises a first connecting rotary column 23, a first connecting belt pulley 24, a first transmission belt 25, a first belt pulley rotating shaft 26, a second connecting belt pulley 27 and a third driving bevel gear 37, wherein the first connecting belt pulley 24 is fixedly arranged at one end of the first connecting rotary column 23, the third driving bevel gear 37 is fixedly arranged at the other end of the first connecting rotary column 23, the first connecting rotary column 23 is rotatably arranged on the mounting bracket 1, one end of the first transmission belt 25 is connected to the first connecting belt pulley 24, the other end of the first transmission belt 25 is connected to the first belt pulley rotating shaft 26, the second connecting belt pulley 27 is fixedly arranged on the first belt pulley rotating shaft 26, the first belt pulley rotating shaft 26 is rotatably arranged on the mounting bracket 1, the third driving bevel gear 37 is in meshed transmission with the first driving bevel gear 28, the second connecting belt pulley 27 is provided with the driving column 43, the driving column 43 is in sliding fit with the driving rod 7, the first driving bevel gear 28 rotates and drives the second bevel gear rotating shaft 30 to rotate, the first connecting rotary column 23 drives the first connecting belt pulley 24 to move, the first connecting belt pulley 24 drives the first inner end to rotate, the first belt pulley rotating shaft 26 drives the second belt pulley rotating shaft 26 to rotate, the second inner end 7 is connected to the second belt pulley rotating shaft 7 to the inner end to the driving pulley 7 to slide through the driving rod 43, and the inner end 34 is in sliding fit with the driving rod 34.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (4)

1. The utility model provides a photovoltaic cell piece automatically cleaning system, includes photovoltaic cell piece (31), a serial communication port, including installing support (1), battery piece fixed bolster (2), roll cleaning subassembly, water spray subassembly and interlock subassembly, fixed mounting has battery piece fixed bolster (2) on installing support (1), installs a plurality of photovoltaic cell pieces (31) on battery piece fixed bolster (2), installs roll cleaning subassembly on battery piece fixed bolster (2), and roll cleaning subassembly is connected with the interlock subassembly, and the interlock subassembly is connected with water spray subassembly, and roll cleaning subassembly, water spray subassembly and interlock subassembly are installed simultaneously on installing support (1).

2. The self-cleaning system for photovoltaic cells according to claim 1, wherein the rolling cleaning assembly comprises a rectangular limiting frame I (5), a driving rotary column (6), a driving rod (7), a rectangular sliding block I (8), a cleaning roller (9), a meshing straight tooth (10) and a matching rack (11), the rectangular sliding groove I (3) is arranged on the cell fixing support (2), the inner end of the rectangular sliding groove I (3) is fixedly provided with the inner end sliding column I (4), the driving rod (7) is provided with a rectangular matching block (38), the rectangular matching block (38) is slidably mounted at the inner end of the rectangular sliding groove I (3) and is slidably and limitedly mounted through the inner end sliding column I (4), the rectangular limiting frame I (5) is fixedly mounted on the cell fixing support (2), the rectangular sliding block I (8) is slidably mounted on the rectangular sliding block I (5), one end of the rectangular sliding block I (8) is rotatably connected with one end of the driving rotary column (6), the other end of the driving rotary column (6) is fixedly provided with the meshing straight tooth (10), the cleaning roller (9) is fixedly mounted on the inner end of the driving rotary column (6), the other end of the driving rotary column (6) is in meshed connection with the driving rack (11), the other end of the driving rotary column (7) is meshed with the driving rack (11), the matching rack (11) is fixedly connected with the battery piece fixing support (2).

3. The self-cleaning system for photovoltaic cells according to claim 1, wherein the water spraying assembly comprises a water outlet pipe (12), a transition sleeve (13), a piston sleeve (14), a communicating water pipe (15), a water tank (16), a piston connecting rod (17), a hinged connecting rod (18), a driving turntable (19), a rectangular sliding groove II (20), an inner end clamping groove I (21), an execution motor (22) and an inner end piston plate (33), one end of the water outlet pipe (12) is arranged on the upper side of the photovoltaic cell (31), the other end of the water outlet pipe (12) is fixedly arranged in the transition sleeve (13), a piston sleeve (14) is fixedly arranged on the transition sleeve (13), the inner end of the piston sleeve (14) is slidably provided with an inner end plate (33), the inner end plate (33) is fixedly arranged at one end of the piston connecting rod (17), the other end of the piston connecting rod (17) is hinged on the hinged connecting rod (18), the hinged connecting rod (18) is hinged with the inner end sliding block I (34), the piston sleeve (14) is fixedly arranged on a bracket III (42), a bracket II (41) is fixedly arranged on the mounting bracket II (41), a bracket 41) is fixedly arranged on the bracket III (41), the bracket (41) is fixedly connected with the bracket III (41) and the driving turntable (41) is fixedly arranged on the bracket III (41), a rectangular sliding groove II (20) is formed in the driving turntable (19), a plurality of inner end clamping grooves I (21) are formed in the inner end of the rectangular sliding groove II (20), an inner end clamping rod I (35) is slidably mounted on a rectangular matching block (38), two inner end clamping rods I (35) are arranged, an inner end clamping rod pushing spring I (36) is arranged between the two inner end clamping rods I (35), the inner end clamping rods I (35) are matched and connected with the inner end clamping grooves I (21), a driving bevel tooth I (28) is fixedly mounted on the driving turntable (19), the driving bevel tooth I (28) is meshed and transmitted with the driving bevel tooth II (29), the driving bevel tooth II (29) is fixedly mounted at one end of a bevel tooth rotating shaft II (30), a bracket I (39) is fixedly mounted on a mounting bracket (1), the other end of the bevel tooth rotating shaft II (30) is rotatably mounted on the bracket I (39), a base I (40) is fixedly mounted on the mounting bracket I (1), an actuating motor (22) is mounted on the base I (40), an actuating motor (22) is fixedly connected with the driving bevel tooth II (28) and is fixedly connected with the driving bevel tooth II (29) at one end of the driving bevel rotating shaft II (15), the other end of the driving bevel rotating shaft II (30) is fixedly connected with the driving bevel rotating shaft II (15), the driving bevel is fixedly connected with the driving bevel carrier (15) and the driving bevel is fixedly connected with the driving bevel carrier (15, and a plurality of rectangular through holes (32) are formed in the circumference of the part of the communicating water pipe (15) arranged in the water tank (16).

4. A self-cleaning system for photovoltaic cells according to claim 3, characterized in that the linkage assembly comprises a first connecting rotary column (23), a first connecting belt pulley (24), a first driving belt pulley (25), a first belt pulley rotating shaft (26), a second connecting belt pulley (27) and a third driving bevel gear (37), the first connecting belt pulley (24) is fixedly arranged at one end of the first connecting rotary column (23), the third driving bevel gear (37) is fixedly arranged at the other end of the first connecting rotary column (23), the first connecting rotary column (23) is rotatably arranged on the mounting bracket (1), one end of the first driving belt pulley (25) is connected to the first connecting belt pulley (24), the other end of the first driving belt pulley (25) is connected to the first belt pulley rotating shaft (26), the second connecting belt pulley (27) is fixedly arranged on the first belt pulley rotating shaft (26), the first belt pulley rotating shaft (26) is rotatably arranged on the mounting bracket (1), the third driving bevel gear (37) is meshed with the first driving bevel gear (28), the second connecting belt pulley (27) is provided with the driving belt pulley (43), and the driving belt pulley (43) is slidably matched with the driving rod (7).