CN111937570A

CN111937570A - Weeding equipment for agricultural production

Info

Publication number: CN111937570A
Application number: CN202010863236.3A
Authority: CN
Inventors: 田丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2020-11-17

Abstract

The invention relates to weeding equipment for agricultural production, which comprises a main body, a driving device, a connecting pipe, a sealing plate, a pushing handle, a first bearing, two moving wheels, a plurality of blades, a heat dissipation mechanism and a cleaning mechanism, wherein the heat dissipation mechanism comprises a filter screen, a cylinder, a moving plate, an air cylinder, a piston, a first spring, a second bearing, an air outlet pipe, a rotating assembly, two fixed blocks, two connecting assemblies and two air inlet pipes, the cleaning mechanism comprises a driving plate, a connecting block, two driving rods, two connecting rods, two supporting rods and a plurality of cleaning assemblies, the cleaning assemblies comprise hinged rods, a connecting box, a telescopic pipe, two scraping plates and two nozzles, the weeding equipment for agricultural production realizes the function of dissipating heat inside the main body through the heat dissipation mechanism, avoids the overheating inside the main body from damaging the equipment, and accordingly improves the reliability of the equipment, through clearance mechanism, realized the function of clearance blade, avoided weeds winding and influence the weeding effect of blade.

Description

Weeding equipment for agricultural production

Technical Field

The invention relates to the field of intelligent agriculture, in particular to weeding equipment for agricultural production.

Background

The mower is a mechanical tool for trimming lawn and vegetation, and is composed of cutter head, engine, walking wheels, walking mechanism, blades, handrail and control unit.

When the conventional mower works, weeds are easily wound on the blade, so that the normal weeding work of the blade is influenced, and moreover, when the conventional mower works, the electronic element in the main body is easily heated during working, and the electronic element in the main body is easily damaged when the main body is overheated, so that the probability of equipment damage is increased, and the reliability of the conventional mower is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a weeding device for agricultural production is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a weeding device for agricultural production comprises a main body, a driving device, a connecting pipe, a sealing plate, a pushing handle, a first bearing, two moving wheels and a plurality of blades, wherein the two moving wheels are respectively arranged at two sides below the main body, the pushing handle is fixed at one side of the main body, the driving device is arranged at the bottom in the main body, the driving device is connected with one end of the connecting pipe, a through hole is arranged below the main body, the inner wall of the through hole is fixedly connected with the outer ring of the first bearing, the other end of the connecting pipe penetrates through the through hole and is arranged below the main body, the periphery of the sealing plate is fixedly connected with the inner wall of the other end of the connecting pipe, the periphery of the connecting pipe is fixedly connected with the inner ring of the first bearing, the blades are uniformly fixed at the other end of the connecting pipe in the circumferential direction, a PLC is arranged in the main body, a heat dissipation mechanism and a, the cleaning mechanism is arranged on the connecting pipe and connected with the heat dissipation mechanism;

the heat dissipation mechanism includes filter screen, cylinder, movable plate, inflator, piston, first spring, second bearing, outlet duct, runner assembly, two fixed blocks, two coupling assembling and two intake pipes, one side of keeping away from the pushing hands of main part is equipped with the opening, filter screen and open-ended inner wall fixed connection, the vertical top of fixing in the main part of cylinder body of cylinder, the top of main part is equipped with the round hole, the gas pole of cylinder passes round hole and movable plate fixed connection, and two coupling assembling are connected with the both sides of the below of movable plate respectively, the inside at the main part is fixed to the inflator, the piston sets up the inside at the inflator, the inner wall sealing connection of piston and inflator, the both ends of first spring are connected with the below of piston and the bottom in the inflator respectively, the both sides of inflator all communicate with the intake pipe, the below of inflator is equipped with the perforation, the outer ring of the second bearing is fixedly connected with the inner wall of the through hole, one end of the air outlet pipe is communicated with the air cylinder, one end of the air outlet pipe is fixedly connected with the inner ring of the second bearing, the other end of the air outlet pipe is arranged in the connecting pipe, the air outlet pipe is fixedly connected with the inner wall of the connecting pipe through a fixing block, the air outlet pipe and the connecting pipe are coaxially arranged, the rotating assembly is arranged in the air cylinder, the rotating assembly is connected with the upper part of the piston, the rotating assembly is connected with the connecting assembly, and the connecting assembly is connected with the cleaning mechanism;

the cleaning mechanism comprises a drive plate, a connecting block, two drive rods, two connecting rods, two supporting rods and a plurality of cleaning components, the drive plate is horizontally arranged below the main body, assembly holes are formed in the connecting block, the connecting pipe penetrates through the assembly holes, the two connecting rods are symmetrically arranged about the axis of the assembly holes, one end of each connecting rod is fixedly connected with the inner wall of each assembly hole, two grooves are formed in the connecting pipe, the grooves correspond to the connecting rods one to one, the other ends of the connecting rods are arranged in the grooves, the connecting rods are in sliding connection with the grooves, annular grooves are formed in the lower portion of the drive plate, one ends of the two supporting rods are fixedly connected with the two sides above the connecting block respectively, the other ends of the supporting rods are arranged in the annular grooves, the other ends of the supporting rods are matched with the annular grooves, the, the cleaning device comprises a main body, a plurality of driving rods, a connecting assembly, a plurality of blades, a plurality of cleaning assemblies and a plurality of connecting blocks, wherein the driving rods correspond to the connecting assembly one by one, two small holes are arranged below the main body, the driving rods correspond to the small holes one by one, two sides of each driving rod are fixedly connected with one end of each driving rod, the other end of each driving rod penetrates through the small holes to be connected with the connecting assembly, the number of the cleaning assemblies is equal to that of the blades, the cleaning assemblies correspond;

the clearance subassembly includes hinge bar, connecting box, flexible pipe, two scraper blades and two nozzles, two scraper blades respectively with the both sides fixed connection of the below of connecting box, the below at the connecting box is fixed to the nozzle, nozzle and connecting box intercommunication, the both ends of hinge bar are articulated with the top and the connecting block of connecting box respectively, the connecting box is through the one end intercommunication of keeping away from the inflator of flexible pipe and outlet duct.

As preferred, in order to drive the piston and remove, rotating assembly includes pivot, carousel and two third bearings, and two third bearings are fixed respectively on the inner wall of the both sides of inflator, the inner circle fixed connection of pivot and third bearing, the centre of a circle department and pivot fixed connection of keeping away from of carousel, the carousel supports with the top of piston and leans on, the both sides of inflator all are equipped with the through hole, the both ends of pivot are passed two through holes respectively and are connected with two coupling assembling.

Preferably, in order to drive the rotating shaft to rotate, the connecting assembly comprises a connecting gear and a rack, two ends of the rotating shaft are respectively and fixedly connected with the two connecting gears, one end of the rack is fixed below the moving plate, the connecting gear is meshed with the rack, and the other end of the rack is fixedly connected with one end, far away from the driving plate, of the driving rod.

Preferably, the connecting gear is coated with grease in order to make the connecting gear smoothly rotate.

Preferably, in order to drive the connecting pipe to rotate, the driving device comprises a motor, a first gear and a second gear, the motor is fixed at the bottom inside the main body and is in transmission connection with the first gear, the second gear is fixedly connected with the connecting pipe, and the first gear is meshed with the second gear.

Preferably, in order to reduce wear, the cleaning assembly further comprises a rubber pad fixed on one side of the scraper close to the blade, and the rubber pad is abutted against the blade.

Preferably, in order to restrict the moving direction of the connecting box, the cleaning assembly further comprises a limiting rod, one end of the limiting rod is fixed below the connecting box, a sliding groove is formed in the blade, the other end of the limiting rod is arranged in the sliding groove, the limiting rod is matched with the sliding groove, and the limiting rod is connected with the sliding groove in a sliding mode.

Preferably, in order to avoid the separation of the limiting rod from the sliding groove, the sliding groove is a dovetail groove.

Preferably, in order to control the operation of the equipment, a key is fixed on the push handle, and the key is electrically connected with the PLC.

Preferably, the motor is a servo motor for precise and stable operation of the motor.

The weeding device for agricultural production has the advantages that the function of radiating the inside of the main body is realized through the radiating mechanism, the device is prevented from being damaged due to overheating inside the main body, the reliability of the device is improved, compared with the existing radiating mechanism, the radiating mechanism and the cleaning mechanism are integrated into a linkage mechanism, the same driving source is adopted, the energy is saved, the environment is protected, the function of cleaning the blade is realized through the cleaning mechanism, the weeding effect of the blade is prevented from being influenced by weed winding, compared with the existing cleaning mechanism, the cleaning mechanism can also enable the nozzle to blow air to the blade, so that weeds adhered to the blade can be blown off, and the effect of cleaning the blade is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the construction of a weeding apparatus for agricultural production of the present invention;

FIG. 2 is a schematic structural view of a heat dissipating mechanism of the weeding apparatus for agricultural production of the present invention;

FIG. 3 is a schematic structural view of a cleaning mechanism of the weeding apparatus for agricultural production of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a side view of a cleaning assembly of the weeding apparatus for agricultural production of the present invention;

in the figure: 1. the automatic cleaning device comprises a main body, a moving wheel, a pushing handle, a motor, a first gear, a second gear, a connecting pipe, a blade, a filter screen, a cylinder, a moving plate, a rack, a connecting gear, a rotating shaft, a rotating disc, a piston, a first spring, a cylinder, an air inlet pipe, a connecting rod, a piston, a driving rod, a driving plate, a driving rod, a supporting rod, a connecting block, a connecting rod, a hinge rod, a connecting box, a telescopic pipe, a scraping plate, a nozzle, a rubber pad, a limiting rod and a key, wherein the moving wheel is 2, the pushing handle is 3, the motor is 4, the first gear is 5, the second gear is 6, the connecting gear is 7, the rotating disc is 16, the piston is.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a weeding apparatus for agricultural production, comprising a main body 1, a driving device, a connecting pipe 7, a sealing plate, a push handle 3, a first bearing, two moving wheels 2 and a plurality of blades 8, wherein the two moving wheels 2 are respectively arranged at two sides of the lower part of the main body 1, the push handle 3 is fixed at one side of the main body 1, the driving device is arranged at the bottom of the main body 1, the driving device is connected with one end of the connecting pipe 7, a through hole is arranged below the main body 1, the inner wall of the through hole is fixedly connected with the outer ring of the first bearing, the other end of the connecting pipe 7 passes through the through hole and is arranged below the main body 1, the periphery of the sealing plate is fixedly connected with the inner wall of the other end of the connecting pipe 7, the periphery of the connecting pipe 7 is fixedly connected with the first bearing, the inner rings 8 of the blades are circumferentially and uniformly fixed at the other, the cleaning device also comprises a heat dissipation mechanism and a cleaning mechanism, wherein the heat dissipation mechanism is arranged inside the main body 1, the cleaning mechanism is arranged on the connecting pipe 7, and the cleaning mechanism is connected with the heat dissipation mechanism;

PLCs, i.e., programmable logic controllers, are generally used for the processing of data and the receipt and output of instructions for central control.

This a weeding equipment for agricultural production has realized through heat dissipation mechanism to the inside radiating function of main part 1, avoids 1 inside overheated and damage equipment of main part to improve the reliability of equipment, through clearance mechanism, realized the function of clearance blade 8, avoid weeds winding and influence the weeding effect of blade 8.

As shown in fig. 2, the heat dissipation mechanism includes a filter screen 9, a cylinder 10, a movable plate 11, an air cylinder 18, a piston 16, a first spring 17, a second bearing, an air outlet pipe 20, a rotation assembly, two fixed blocks, two connection assemblies and two air inlet pipes 19, one side of the main body 1 away from the pushing hands 3 is provided with an opening, the filter screen 9 is fixedly connected with the inner wall of the opening, the cylinder body of the cylinder 10 is vertically fixed above the main body 1, a round hole is arranged above the main body 1, an air rod of the cylinder 10 passes through the round hole and is fixedly connected with the movable plate 11, the two connection assemblies are respectively connected with two sides of the lower part of the movable plate 11, the air cylinder 18 is fixed inside the main body 1, the piston 16 is arranged inside the air cylinder 18, the piston 16 is connected with the inner wall of the air cylinder 18 in a sealing manner, two ends of the first spring, both sides of the inflator 18 are communicated with an air inlet pipe 19, a perforation is arranged below the inflator 18, an outer ring of the second bearing is fixedly connected with an inner wall of the perforation, one end of an air outlet pipe 20 is communicated with the inflator 18, one end of the air outlet pipe 20 is fixedly connected with an inner ring of the second bearing, the other end of the air outlet pipe 20 is arranged inside the connecting pipe 7, the air outlet pipe 20 is fixedly connected with the inner wall of the connecting pipe 7 through a fixing block, the air outlet pipe 20 is coaxially arranged with the connecting pipe 7, a rotating assembly is arranged inside the inflator 18 and is connected with the upper part of the piston 16, the rotating assembly is connected with a connecting assembly, and the connecting assembly is connected with a cleaning mechanism;

when the heat dissipation work is carried out, the control cylinder 10 is started, the air rod extends or stretches, the movable plate 11 is driven to move up and down, the connecting assembly works, the rotating assembly is driven, the piston 16 moves up and down in the air cylinder 18, hot air in the main body 1 is guided into the air cylinder 18 through the air inlet pipe 19 and then guided into the air outlet pipe 20, air pressure in the main body 1 is reduced, external air is convenient to enter the main body 1 after impurity removal through the filter screen 9, cooling work is carried out on the inside of the main body 1, damage to equipment due to overheating in the main body 1 is avoided, and reliability of the equipment is improved.

As shown in fig. 3-5, the cleaning mechanism includes a driving plate 22, a connecting block 24, two driving rods 21, two connecting rods 25, two supporting rods 23 and a plurality of cleaning assemblies, the driving plate 22 is horizontally disposed below the main body 1, an assembly hole is disposed on the connecting block 24, the connecting pipe 7 passes through the assembly hole, the two connecting rods 25 are symmetrically disposed about the axis of the assembly hole, one end of each connecting rod 25 is fixedly connected with the inner wall of the assembly hole, two grooves are disposed on the connecting pipe 7, the grooves correspond to the connecting rods 25 one to one, the other end of each connecting rod 25 is disposed inside the corresponding groove, the connecting rods 25 are slidably connected with the corresponding grooves, an annular groove is disposed below the driving plate 22, one end of each supporting rod 23 is fixedly connected with both sides of the upper portion of the connecting block 24, the other end of each supporting rod 23 is disposed inside the annular groove, and the other, the annular groove is a dovetail groove, the supporting rods 23 are in sliding connection with the annular groove, the driving rods 21 are in one-to-one correspondence with the connecting assemblies, two small holes are formed below the main body 1, the driving rods 21 are in one-to-one correspondence with the small holes, two sides of the driving plate 22 are fixedly connected with one ends of the two driving rods 21 respectively, the other ends of the driving rods 21 penetrate through the small holes to be connected with the connecting assemblies, the number of the cleaning assemblies is equal to that of the blades 8, the cleaning assemblies are in one-to-one correspondence with the blades 8, and the cleaning assemblies are connected with the connecting;

the cleaning assembly comprises a hinged rod 26, a connecting box 27, a telescopic pipe 28, two scraping plates 29 and two nozzles 30, wherein the two scraping plates 29 are fixedly connected with two sides of the lower portion of the connecting box 27 respectively, the nozzles 30 are fixed below the connecting box 27, the nozzles 30 are communicated with the connecting box 27, two ends of the hinged rod 26 are hinged with the upper portion of the connecting box 27 and the connecting block 24 respectively, and the connecting box 27 is communicated with one end, far away from the air cylinder 18, of the air outlet pipe 20 through the telescopic pipe 28.

Coupling assembling during operation, drive actuating lever 21 and remove, make drive plate 22 reciprocate along connecting pipe 7, drive connecting block 24 through branch 23 and reciprocate on connecting pipe 7, make connecting box 27 along the round trip movement of blade 8 through hinge bar 26, thereby make scraper blade 29 round trip movement, thereby will twine the weeds of blade 8 and scrape off, avoid weeds winding and influence the weeding effect of blade 8, heat dissipation mechanism work simultaneously, can be with the leading-in outlet duct 20 of the steam in the main part 1, in leading-in connecting box 27 through flexible pipe 28, thereby make nozzle 30 blow to blade 8, thereby can blow off the weeds of adhesion on blade 8, thereby the effect of clearance blade 8 has been promoted.

Preferably, in order to drive the piston 16 to move, the rotating assembly comprises a rotating shaft 14, a rotating disc 15 and two third bearings, the two third bearings are respectively fixed on the inner walls of the two sides of the air cylinder 18, the inner ring of the rotating shaft 14 is fixedly connected with the third bearings, the position, far away from the center of the circle, of the rotating disc 15 is fixedly connected with the rotating shaft 14, the rotating disc 15 is abutted against the upper side of the piston 16, through holes are respectively formed in the two sides of the air cylinder 18, and the two ends of the rotating shaft 14 respectively penetrate through the two through holes to be connected with the two connecting assemblies.

Preferably, in order to drive the rotating shaft 14 to rotate, the connecting assembly includes a connecting gear 13 and a rack 12, two ends of the rotating shaft 14 are respectively and fixedly connected with the two connecting gears 13, one end of the rack 12 is fixed below the moving plate 11, the connecting gear 13 is meshed with the rack 12, and the other end of the rack 12 is fixedly connected with one end of the driving rod 21, which is far away from the driving plate 22.

When the air cylinder 10 extends the air rod, the moving plate 11 is driven to move downwards, so that the rack 12 moves downwards, the connecting gear 13 rotates through the meshing of the connecting gear 13 and the rack 12, the rotating shaft 14 is driven to rotate, the rotating disc 15 rotates, when the air cylinder 10 retracts the air rod, the moving plate 11 is driven to move upwards, so that the rack 12 moves upwards, the connecting gear 13 rotates reversely, the rotating shaft 14 rotates reversely, the function of rotating the rotating shaft 14 back and forth is achieved, and therefore the piston 16 moves up and down in the air cylinder 18.

Preferably, in order to make the connecting gear 13 smoothly rotate, the connecting gear 13 is coated with grease, so that the friction between the connecting gear 13 and the rack 12 is reduced, and the connecting gear 13 can be more smoothly rotated.

Preferably, in order to drive the connecting pipe 7 to rotate, the driving device comprises a motor 4, a first gear 5 and a second gear 6, the motor 4 is fixed at the bottom inside the main body 1, the motor 4 is in transmission connection with the first gear 5, the second gear 6 is fixedly connected with the connecting pipe 7, and the first gear 5 is meshed with the second gear 6.

When carrying out weeding work, control motor 4 starts, drives first gear 5 and rotates, through the meshing of first gear 5 with second gear 6 for second gear 6 rotates, thereby drives connecting pipe 7 and rotates, makes blade 8 rotate, thereby carries out weeding work.

Preferably, in order to reduce wear, the cleaning assembly further comprises a rubber pad 31, the rubber pad 31 is fixed on one side of the scraper 29 close to the blade 8, and the rubber pad 31 is abutted with the blade 8.

By arranging the rubber pad 31, the rigid contact force when the blade 8 is in direct contact with the scraper 29 is avoided, so that the abrasion of the blade 8 is reduced, and the service life of the blade 8 is prolonged.

Preferably, in order to limit the moving direction of the connecting box 27, the cleaning assembly further comprises a limiting rod 32, one end of the limiting rod 32 is fixed below the connecting box 27, a sliding groove is formed in the blade 8, the other end of the limiting rod 32 is arranged inside the sliding groove, the limiting rod 32 is matched with the sliding groove, and the limiting rod 32 is connected with the sliding groove in a sliding manner.

Preferably, in order to avoid the separation of the limiting rod 32 from the sliding groove, the sliding groove is a dovetail groove.

When the connection box 27 moves, the limiting rod 32 is driven to move along the sliding groove, so that the moving direction of the connection box 27 is limited, and the connection box 27 is more stable when moving.

Preferably, in order to control the operation of the equipment, the push handle 3 is fixed with a key 33, and the key 33 is electrically connected with the PLC.

Through setting up button 33, can control equipment work to the intelligent degree of equipment has been improved.

Preferably, the motor 4 is a servo motor in order to make the motor 4 work accurately and stably.

When the heat dissipation work is carried out, the control cylinder 10 is started, the air rod extends or stretches, the movable plate 11 is driven to move up and down, the connecting assembly works, the rotating assembly is driven, the piston 16 moves up and down in the air cylinder 18, hot air in the main body 1 is guided into the air cylinder 18 through the air inlet pipe 19 and then guided into the air outlet pipe 20, air pressure in the main body 1 is reduced, external air is convenient to enter the main body 1 after impurity removal through the filter screen 9, cooling work is carried out on the inside of the main body 1, damage to equipment due to overheating in the main body 1 is avoided, and reliability of the equipment is improved. Coupling assembling during operation, drive actuating lever 21 and remove, make drive plate 22 reciprocate along connecting pipe 7, drive connecting block 24 through branch 23 and reciprocate on connecting pipe 7, make connecting box 27 along the round trip movement of blade 8 through hinge bar 26, thereby make scraper blade 29 round trip movement, thereby will twine the weeds of blade 8 and scrape off, avoid weeds winding and influence the weeding effect of blade 8, heat dissipation mechanism work simultaneously, can be with the leading-in outlet duct 20 of the steam in the main part 1, in leading-in connecting box 27 through flexible pipe 28, thereby make nozzle 30 blow to blade 8, thereby can blow off the weeds of adhesion on blade 8, thereby the effect of clearance blade 8 has been promoted.

Compared with the prior art, this a weeding equipment for agricultural production passes through heat dissipation mechanism, realized 1 inside radiating function to the main part, avoid 1 inside overheated and damage equipment of main part, thereby the reliability of equipment has been improved, compare with current heat dissipation mechanism, this heat dissipation mechanism and clearance mechanism link gear as an organic whole, all adopt same driving source, more energy-concerving and environment-protective, through clearance mechanism, the function of clearance blade 8 has been realized, avoid weeds winding and influence the weeding effect of blade 8, compare with current clearance mechanism, this clearance mechanism still can make nozzle 30 blow to blade 8, thereby can blow off the weeds of adhesion on blade 8, the effect of clearance blade 8 has been promoted.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A weeding apparatus for agricultural production comprises a main body (1), a driving device, a connecting pipe (7), a sealing plate, a pushing handle (3), a first bearing, two moving wheels (2) and a plurality of blades (8), wherein the two moving wheels (2) are respectively arranged at two sides below the main body (1), the pushing handle (3) is fixed at one side of the main body (1), the driving device is arranged at the bottom in the main body (1), the driving device is connected with one end of the connecting pipe (7), a through hole is arranged below the main body (1), the inner wall of the through hole is fixedly connected with the outer ring of the first bearing, the other end of the connecting pipe (7) passes through the through hole and is arranged below the main body (1), the periphery of the sealing plate is fixedly connected with the inner wall of the other end of the connecting pipe (7), the periphery of the connecting pipe (7) is fixedly connected with the inner ring of the first bearing, the cutting blade (8) is circumferentially and uniformly fixed at the other end of the connecting pipe (7), and the PLC is arranged in the main body (1), and the cutting blade cleaning machine is characterized by further comprising a heat dissipation mechanism and a cleaning mechanism, wherein the heat dissipation mechanism is arranged in the main body (1), the cleaning mechanism is arranged on the connecting pipe (7), and the cleaning mechanism is connected with the heat dissipation mechanism;

the heat dissipation mechanism comprises a filter screen (9), a cylinder (10), a moving plate (11), an air cylinder (18), a piston (16), a first spring (17), a second bearing, an air outlet pipe (20), a rotating assembly, two fixed blocks, two connecting assemblies and two air inlet pipes (19), one side of the main body (1) far away from the pushing hands (3) is provided with an opening, the filter screen (9) is fixedly connected with the inner wall of the opening, the cylinder body of the cylinder (10) is vertically fixed above the main body (1), the top of the main body (1) is provided with a round hole, an air rod of the cylinder (10) penetrates through the round hole to be fixedly connected with the moving plate (11), the two connecting assemblies are respectively connected with the two sides of the lower part of the moving plate (11), the air cylinder (18) is fixed in the main body (1), the piston (16) is arranged in the air cylinder (18), and the piston (16) is hermetically connected, the both ends of first spring (17) are connected with the bottom in the below of piston (16) and inflator (18) respectively, the both sides of inflator (18) all communicate with intake pipe (19), the below of inflator (18) is equipped with the perforation, the outer lane and the fenestrate inner wall fixed connection of second bearing, the one end and inflator (18) the intercommunication of outlet duct (20), the one end of outlet duct (20) and the inner circle fixed connection of second bearing, the other end setting of outlet duct (20) is in the inside of connecting pipe (7), inner wall fixed connection of fixed block and connecting pipe (7) is passed through to outlet duct (20), outlet duct (20) and connecting pipe (7) coaxial setting, rotating assembly sets up the inside at inflator (18), rotating assembly is connected with the top of piston (16), rotating assembly is connected with coupling assembling, the connecting assembly is connected with the cleaning mechanism;

the cleaning mechanism comprises a driving plate (22), a connecting block (24), two driving rods (21), two connecting rods (25), two supporting rods (23) and a plurality of cleaning components, wherein the driving plate (22) is horizontally arranged below the main body (1), assembling holes are formed in the connecting block (24), the connecting pipe (7) penetrates through the assembling holes, the two connecting rods (25) are symmetrically arranged about the axis of the assembling holes, one end of each connecting rod (25) is fixedly connected with the inner wall of each assembling hole, two grooves are formed in the connecting pipe (7), the grooves correspond to the connecting rods (25) one by one, the other end of each connecting rod (25) is arranged inside each groove, the connecting rods (25) are connected with the grooves in a sliding mode, annular grooves are formed in the lower portion of the driving plate (22), and one ends of the two supporting rods (23) are fixedly connected with the two sides of the upper portion of the connecting block (, the other end of the supporting rod (23) is arranged inside the annular groove, the other end of the supporting rod (23) is matched with the annular groove, the annular groove is a dovetail groove, the supporting rod (23) is connected with the annular groove in a sliding mode, the driving rods (21) are in one-to-one correspondence with the connecting assemblies, two small holes are formed in the lower portion of the main body (1), the driving rods (21) are in one-to-one correspondence with the small holes, two sides of each driving plate (22) are fixedly connected with one ends of the two driving rods (21), the other ends of the driving rods (21) penetrate through the small holes to be connected with the connecting assemblies, the number of the cleaning assemblies is equal to that of the blades (8), the cleaning assemblies are in one-to-one correspondence with the blades (8);

the clearance subassembly includes articulated rod (26), connecting box (27), flexible pipe (28), two scraper blades (29) and two nozzle (30), two scraper blades (29) respectively with the both sides fixed connection of the below of connecting box (27), the below at connecting box (27) is fixed in nozzle (30), nozzle (30) and connecting box (27) intercommunication, the both ends of articulated rod (26) are articulated with the top and connecting block (24) of connecting box (27) respectively, connecting box (27) are through the one end intercommunication of keeping away from inflator (18) of flexible pipe (28) and outlet duct (20).

2. The weeding apparatus for agricultural production according to claim 1, wherein the rotating assembly includes a rotating shaft (14), a rotating disc (15), and two third bearings, the two third bearings are respectively fixed on the inner walls of the two sides of the air cylinder (18), the rotating shaft (14) is fixedly connected with the inner ring of the third bearing, the position of the rotating disc (15) far away from the center of the circle is fixedly connected with the rotating shaft (14), the rotating disc (15) abuts against the upper side of the piston (16), the two sides of the air cylinder (18) are respectively provided with a through hole, and the two ends of the rotating shaft (14) are respectively connected with the two connecting assemblies through the two through holes.

3. The weeding apparatus for agricultural production according to claim 2, wherein the connecting assembly includes a connecting gear (13) and a rack (12), the two ends of the rotating shaft (14) are fixedly connected to the two connecting gears (13), respectively, one end of the rack (12) is fixed below the moving plate (11), the connecting gear (13) is engaged with the rack (12), and the other end of the rack (12) is fixedly connected to one end of the driving rod (21) far away from the driving plate (22).

4. A weeding apparatus for agricultural production as claimed in claim 3, wherein the connecting gear (13) is coated with grease.

5. A weeding apparatus as claimed in claim 1, wherein the drive means comprises an electric motor (4), a first gear (5) and a second gear (6), the electric motor (4) being fixed at the bottom inside the main body (1), the electric motor (4) being in driving connection with the first gear (5), the second gear (6) being in fixed connection with the connecting pipe (7), the first gear (5) being in mesh with the second gear (6).

6. A weeding apparatus for agricultural production as claimed in claim 1, wherein the cleaning assembly further comprises a rubber pad (31), the rubber pad (31) being fixed to the side of the scraper (29) near the blade (8), the rubber pad (31) abutting against the blade (8).

7. A weeding apparatus for agricultural production according to claim 1, wherein the cleaning assembly further comprises a limiting rod (32), one end of the limiting rod (32) is fixed below the connecting box (27), the blade (8) is provided with a sliding slot, the other end of the limiting rod (32) is arranged inside the sliding slot, the limiting rod (32) is matched with the sliding slot, and the limiting rod (32) is slidably connected with the sliding slot.

8. A weeding apparatus as claimed in claim 7, in which the chute is a dovetail slot.

9. A weeding apparatus for agricultural production as claimed in claim 1, wherein the push handle (3) is fixed with a push button (33), the push button (33) being electrically connected to the PLC.

10. Weeding apparatus for agricultural production according to claim 5, wherein the motor (4) is a servo motor.