CN214482152U

CN214482152U - Self-adaptive multifunctional intelligent corn weeding machine

Info

Publication number: CN214482152U
Application number: CN202120450192.1U
Authority: CN
Inventors: 张馨悦; 方梁菲
Original assignee: Anhui Agricultural University AHAU
Current assignee: Anhui Agricultural University AHAU
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-26
Anticipated expiration: 2031-03-02

Abstract

The embodiment of the utility model relates to the field of weeders, in particular to a self-adaptive multifunctional intelligent corn weeder, which comprises a chassis, a pesticide spraying assembly and a weeder, wherein the front and the back connecting ends of the chassis are respectively provided with an adjusting assembly, and the height of the chassis and the wheel distance of two rolling wheels under the chassis are driven and adjusted by the adjusting assemblies; the pesticide spraying assembly is arranged on the rear end face of the chassis, and is used for accurately spraying pesticide to the targets of weeds among the corn plants; the rotary-cut weeder is arranged in the middle of the chassis, weeds among corn rows are removed through the weeder, and the rotary-cut weeder can perform intertillage and soil loosening on the corn rows while rotary-cut weeding is performed. The utility model discloses can carry out weeds to the difference of maize field inter-row spacing difference and maize seedling's high difference and handle, application scope is wide, can utilize moreover to spout the medicine subassembly and spout the medicine processing to weeds, realizes mechanical and chemical double weeding, has guaranteed weeding rate and weeding effect.

Description

Self-adaptive multifunctional intelligent corn weeding machine

Technical Field

The embodiment of the utility model provides a relate to the weeder field, specifically are multi-functional intelligent maize weeder of self-adaptation formula.

Background

Corn is one of the most important grain crops in China, and the planting area and the yield of the corn are third in China. However, weeds in corn fields greatly compromise yield and quality.

Nearly half of corn fields in China are reported to be damaged by weeds of different degrees, and serious weeds even reduce the yield of corn by nearly 50 percent, thereby greatly damaging the agricultural product economy of the country.

At present, the main weeding methods at home and abroad include artificial weeding, mechanical weeding, chemical weeding and the like. The artificial weeding method is adopted in only a few parts of areas; the chemical weeding method is high in efficiency, saves manpower, is the mainstream weeding method at present, but the chemical weeding method can effectively control weeds and simultaneously has a plurality of adverse effects, such as the herbicide resistance of field weeds caused by the repeated use of a large amount of herbicides, severe pollution to the farmland environment, threat of pesticide residue to the diet health of people, and the like.

In recent years, with the increasing awareness of environmental protection, various weeding machines are in operation.

Although the mechanical corn weeder can eliminate weeds between plants and weeds between rows, the wheel track and the ground clearance of the device are not adjustable, the device cannot process weeds aiming at different row spacing of corn fields and different heights of corn seedlings, the using occasions have limitations, and the mechanical corn weeder only processes grass cutting, so that the weed removal rate is low and the weeding effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a multi-functional intelligent maize weeder of self-adaptation formula to solve the problem that proposes in the above-mentioned background art. In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

an adaptive multifunctional intelligent corn weeding machine, comprising:

the adjusting components are arranged at the front and rear connecting ends of the chassis, and the height of the chassis and the wheel track of two rolling wheels under the chassis are driven and adjusted through the adjusting components;

the pesticide spraying assembly is arranged on the rear end face of the chassis, and is used for accurately spraying pesticide to the target on weeds among the corn plants; the weeder is arranged in the middle of the chassis and is used for removing weeds among the corn rows;

the adjusting assembly comprises an installation frame, a sliding cavity, a lifting piece, a spacing piece, a support and rolling wheels, the installation frame is fixedly welded at the connecting end of the chassis, and the horizontal sliding cavity is formed in the installation frame; install the promotion piece of two sets of symmetric distributions in the slip chamber, just promote piece and slip chamber sliding connection, install spacing piece between two promotion pieces, the support is all installed to the bottom of each promotion piece, and installs on the support and rotate the rotatory step motor of the wheel that rolls of the roll of connection and be used for driving.

As the embodiment of the utility model provides a technical scheme's further injects, the weeder is including rotating motor, pivot, driving gear, chain and cylinder weeding cutter, rotate the motor and pass through rack-mount on the chassis, just two outputs that rotate the motor all have the pivot through the coupling joint, and the equal fixed mounting in both ends of pivot has the driving gear, just the driving gear passes through the chain and is connected with the driven gear meshing on the cylinder weeding cutter, and two sets of cylinder weeding cutters pass through the aircraft bonnet and rotate and install under the chassis.

As a further limitation of the technical solution of the embodiment of the present invention, the lifting member includes an electric push rod, a mounting plate and an anti-slip cap, the electric push rod is fixed on the mounting plate, and the mounting plate is fixedly mounted on the top of the bracket, the telescopic rod of the electric push rod extends out of the sliding cavity and is fixedly mounted with the anti-slip cap, and the top of the telescopic rod of the electric push rod is engaged with the sliding cavity and is connected with the sliding cavity in a horizontal sliding manner;

when the maize seedling height in for the adaptation different maize lands, open the electric putter in four promotion pieces to electric putter promotes the mounting bracket and makes the mounting bracket prop up the chassis, consequently, the chassis can be adjusted with the height on ground.

As a further limitation of the technical solution of the embodiment of the present invention, the spacing member includes a lead screw and a driving motor, the middle portion of the lead screw is rotatably mounted on the connecting frame, and the connecting frame is fixedly mounted at the bottom of the chassis, two thread sections with opposite thread directions are formed on the lead screw, the two thread sections respectively pass through the telescopic rods of the electric push rods at two sides and are in threaded connection with the thread through holes formed in the telescopic rods, the driving motor is fixedly mounted at the bottom of the chassis, and the output end of the driving motor is engaged with the connecting wheel on the lead screw through the connecting wheel;

during the maize seedling inter space for adapting to different maize fields, it is rotatory to drive the fifth wheel through opening driving motor, because the fifth wheel is connected with the fifth wheel meshing on the lead screw, the lead screw rotates, and electric putter's telescopic link top and slip chamber block and slide chamber horizontal sliding connection, the telescopic link of two electric putter of rotatory back of lead screw is along the screw through-hole along the motion of doing in opposite directions or carrying on the back mutually, thereby adjust the interval of two wheels that roll on the mounting bracket in real time, consequently, the weeder can adapt to different maize fields inter space, make the wheel spacing of this weeder and the size of ground clearance adjustable, can carry out weed treatment to the difference of height of maize field inter space difference and maize seedling, make the use occasion of this weeder bigger.

As a further limitation of the technical solution of the present invention, the spraying component includes an installation block, a spraying pipe, a connecting pipe and a nozzle, the installation block is fixedly installed on the rear end face of the chassis, and a plurality of spraying pipes are fixedly installed on the installation block and distributed at equal intervals, the bottom of each spraying pipe is installed with the nozzle through the connecting pipe; a medicine box is fixedly mounted on the chassis, and the output end of a liquid discharge pump in the medicine box is communicated with the medicine spraying pipe through a guide pipe.

As the embodiment of the utility model provides a technical scheme further prescribe a limit to, the medical kit bottom has two pesticide spouts, extends to frame front end department through transparent tubule, and the liquid medicine is through the filter arrival flow divider under the effect of liquid pump, and the flow divider has two independent exports, opens the flowing back pump and makes the liquid medicine in the medical kit discharge from the shower nozzle.

As the embodiment of the utility model provides a technical scheme's further injects, cylinder weeding cutter demountable installation is under the chassis, wherein, is equipped with the sleeve in cylinder weeding cutter cross-section center department, and department is equipped with the through-hole that runs through in the middle of the sleeve, the muffjoint of cutter axle and cutter center department, be equipped with on the cutter transmission shaft with the sleeve in the middle of the through-hole assorted fixed orifices of department, the through-hole of department passes through pin zonulae occludens in the middle of fixed orifices and the sleeve.

As the embodiment of the utility model provides a technical scheme's further injects, the subassembly of making a video recording is installed to the bottom on chassis, and make a video recording the subassembly include the camera and with camera electric connection's image processor, the camera passes through the rack-mount in the bottom on chassis, image processor installs in the camera.

As the embodiment of the utility model provides a technical scheme's further injects, still fixed mounting has gasoline engine, gear control switch and handle on the chassis.

Compared with the prior art, the utility model discloses the beneficial effect of embodiment is:

1. the utility model precisely sprays the target to the weeds among the corn plants through the pesticide spraying component; weeds among the corn rows are removed through the weeder, and the rotary-cut weeder can also intertill and loosen the soil among the corn rows while rotary-cut weeding is carried out;

2. the utility model discloses open the electric putter among four lifting members, thereby electric putter promotes the mounting bracket and makes the mounting bracket support the chassis, so the height of chassis and ground can be adjusted, it is rotatory to drive the fifth wheel through opening driving motor, so the telescopic link of two electric putter is along with the screw through-hole along the screw opposite or back-to-back motion after the screw rotation, thereby adjust the interval of two rolling wheels on the mounting bracket in real time, therefore the weeder can adapt to different maize ground row spacing, make the wheel base of this weeder and the size of ground clearance adjustable, can carry out weed treatment to maize field row spacing difference and maize seedling's height difference, make the use occasion of this weeder bigger;

3. the utility model discloses it is rotatory to open rotation motor and drive two pivots, because the epaxial driving gear of commentaries on classics passes through the chain and is connected with the driven gear meshing on the cylinder weeding cutter, consequently, cylinder weeding cutter rolls, not only can carry out machinery and mow, can also utilize two cylinder weeding cutters to carry out two-way weeding and handle for the weeding rate is higher and weeding effect is better.

To sum up, the embodiment of the utility model provides an among the multi-functional intelligent maize weeder, rotary-cut formula weeder can also carry out the intertillage to maize interline when rotary-cut is weeded, and the wheel base of weeder and the size of ground clearance are adjustable, can carry out weed treatment to the difference of maize field row interval difference and maize seedling's height, and application scope is wide, and the use occasion is bigger, just the utility model discloses a weeder not only can mow the processing to weeds through rotary-cut formula weeding cutter, can utilize moreover to spout the medicine subassembly and spout the medicine processing to weeds, realizes mechanical and chemical double weeding, and the function is diversified, has guaranteed weeding rate and weeding effect.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed 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 present invention.

Fig. 1 is the utility model provides a perspective view of multi-functional intelligent maize weeder of self-adaptation formula.

Fig. 2 is a perspective view of a first view angle of the adjusting assembly of the corn weeding machine of the present invention.

Fig. 3 is a perspective view of a second view angle of the adjusting assembly of the corn weeding machine of the present invention.

Fig. 4 is the utility model provides a two stereograms of visual angle of multi-functional intelligent maize weeder of self-adaptation formula.

Fig. 5 is the utility model provides a three perspective views of visual angle of multi-functional intelligent maize weeder of self-adaptation formula.

In the figure: 1. a chassis; 2. an adjustment assembly; 21. a mounting frame; 22. a sliding cavity; 23. a lifting member; 231. an electric push rod; 232. mounting a plate; 233. an anti-slip cap; 24. a spacing member; 241. a lead screw; 242. a drive motor; 25. a support; 26. a rolling wheel; 3. a weeder; 31. rotating the motor; 32. a rotating shaft; 33. a driving gear; 34. a chain; 35. a roller weeding cutter; 4. a gasoline engine; 5. a gear control switch; 6. a handle; 7. a pesticide spraying component; 71. installing the block; 72. a pesticide spraying pipe; 73. a connecting pipe; 74. a spray head; 8. a camera assembly; 9. a medicine chest.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The first embodiment is as follows:

as shown in fig. 1, in the preferred embodiment provided by the present invention, the self-adaptive multifunctional intelligent corn weeding machine comprises a chassis 1 and a pesticide spraying assembly 7, wherein a gasoline engine 4, a gear control switch 5 and a handle 6 are fixedly mounted on the chassis 1; adjusting components 2 are mounted at the front connecting end and the rear connecting end of the chassis 1.

The weeding machine provided by the embodiment of the utility model drives and adjusts the height of the chassis 1 and the wheel track of two rolling wheels 26 under the chassis 1 through the adjusting component 2; the middle part of the chassis 1 is provided with a weeder 3, and weeds among corn rows are removed through the weeder 3; the pesticide spraying assembly 7 is installed on the rear end face of the chassis 1, and the target is sprayed with the weeds among the corn plants through the pesticide spraying assembly 7.

Specifically, as shown in fig. 1 to 3, in the embodiment of the present invention, the adjusting assembly 2 includes an installation frame 21, a sliding cavity 22, a lifting member 23, a spacing member 24, a bracket 25 and a rolling wheel 26, the installation frame 21 is fixedly welded to the connection end of the chassis 1, and the installation frame 21 is provided with the sliding cavity 22 horizontally arranged;

install the promotion piece 23 of two sets of symmetric distributions in the slip chamber 22, just promote piece 23 and slip chamber 22 sliding connection, install spacing piece 24 between two promotion pieces 23, support 25 is all installed to the bottom of each promotion piece 23, and installs on the support 25 and rotate the rotatory step motor of rolling wheel 26 and be used for driving.

Further, please refer to fig. 2 and fig. 3, in an embodiment of the present invention, the lifting member 23 includes an electric push rod 231, a mounting plate 232, and an anti-slip cap 233, the electric push rod 231 is fixed on the mounting plate 232, the mounting plate 232 is fixedly mounted on the top of the bracket 25, a telescopic rod of the electric push rod 231 extends out of the sliding cavity 22 and is fixedly mounted with the anti-slip cap 233, and the top of the telescopic rod of the electric push rod 231 is engaged with the sliding cavity 22 and horizontally slidably connected with the sliding cavity 22;

further, please refer to fig. 2 and fig. 3, in the embodiment of the present invention, the spacing member 24 includes a lead screw 241 and a driving motor 242, the middle portion of the lead screw 241 is rotatably installed on the connecting frame, and the connecting frame is fixedly installed at the bottom of the chassis 1, two thread sections with opposite thread directions are provided on the lead screw 241, the two thread sections respectively pass through the telescopic rods of the electric push rods 231 at two sides and are in threaded connection with the thread through holes provided by the telescopic rods, the driving motor 242 is fixedly installed at the bottom of the chassis 1, and the output end of the driving motor 242 is engaged with the connecting wheel on the lead screw 241 through the connecting wheel.

It should be noted that: in order to adapt to the heights of the corn seedlings in different corn fields, the electric push rods 231 in the four lifting pieces 23 are started, so that the electric push rods 231 push the mounting frames 21 to enable the mounting frames 21 to support the chassis 1, and therefore the height of the chassis 1 and the ground is adjusted.

In addition, when the corn seedling row spacing of different corn fields is adapted, the driving motor 242 is started to drive the connecting wheel to rotate, the connecting wheel is meshed with the connecting wheel on the lead screw 241, so the lead screw 241 rotates, the top of the telescopic rod of the electric push rod 231 is clamped with the sliding cavity 22 and horizontally and slidably connected with the sliding cavity 22, the telescopic rods of the two electric push rods 231 after the lead screw 241 rotates move in the opposite direction or in the opposite direction along the lead screw 241 along the threaded through hole, the spacing of the two rolling wheels 26 on the mounting frame 21 is adjusted in real time, so the weeding machine can adapt to different corn field row spacing, the wheel spacing and the ground clearance of the weeding machine can be adjusted, the weeding treatment can be carried out according to different corn field row spacing and different heights of the corn seedlings, and the use occasion of the weeding machine is larger.

Example two:

as shown in fig. 1, fig. 4 and fig. 5, the difference from the first embodiment is that, in the self-adaptive multifunctional intelligent corn weeder provided by the present invention, preferably, the weeder 3 is a rotary cutter type weeder, and the rotary cutter type weeder can plough and loosen the soil between corn rows while performing rotary cutting weeding.

Specifically, weeder 3 is including rotating motor 31, pivot 32, driving gear 33, chain 34 and cylinder weeding cutter 35, rotate motor 31 and pass through rack-mount on chassis 1, just two outputs of rotating motor 31 all have pivot 32 through the coupling joint, and the equal fixed mounting in both ends of pivot 32 has driving gear 33, just driving gear 33 passes through chain 34 and is connected with the driven gear meshing on the cylinder weeding cutter 35, and two sets of cylinder weeding cutters 35 rotate through the aircraft bonnet and install under chassis 1.

It should be noted that: open and rotate motor 31 and drive two pivots 32 rotatoryly, because the driven gear meshing that the driving gear 33 on the pivot 32 passes through on chain 34 and the cylinder weeding cutter 35 is connected, consequently cylinder weeding cutter 35 rolls, not only can carry out machinery and mow, can also utilize two cylinder weeding cutters 35 to carry out two-way weeding and handle for the weeding rate is higher and weeding effect is better.

Example three:

what is different from the second embodiment is in the embodiment of the utility model provides an, cylinder weeding cutter 35 can also be connected through the transmission shaft of frame below, when starting gasoline engine 4, will drive the derailleur and rotate, and the derailleur is in higher position, and the transmission shaft of cutter is connected with the drive mechanism of derailleur, and the derailleur can realize the regulation to cutter slew velocity to adapt to different soil specialties.

Example four:

different from the third embodiment, in the preferred embodiment provided by the utility model, the cylinder weeding cutter 35 is designed to simply dismantle, to the main weeds of maize ground different grade type, can make the weeder have corresponding weeding through changing the cutter to improve the weeding efficiency of machine, also can further strengthen the universality and the application of this machine.

Specifically, in the embodiment of the utility model, be equipped with the sleeve in cylinder weeding cutter 35 cross-section center department, department is equipped with the through-hole that runs through in the middle of the sleeve, the muffjoint of cutter axle and cutter center department, be equipped with on the cutter transmission shaft with the sleeve in the middle of locate through-hole assorted fixed orifices, the fixed orifices passes through pin zonulae occludens with sleeve in the middle of locating the through-hole, has guaranteed the stability of machine cutter when the function, the rotational speed governing of cutter is controlled by STM32 development board.

Example five:

as shown in fig. 1, 4 and 5, the fourth difference from the embodiment is that, in the self-adaptive multifunctional intelligent corn weeding machine provided by the present invention, the pesticide spraying assembly 7 includes an installation block 71, pesticide spraying pipes 72, a connecting pipe 73 and a spray head 74, the installation block 71 is fixedly installed on the rear end surface of the chassis 1, and the installation block 71 is fixedly installed with a plurality of pesticide spraying pipes 72 distributed at equal intervals, and the bottom of each pesticide spraying pipe 72 is installed with the spray head 74 through the connecting pipe 73; a medicine box 9 is fixedly arranged on the chassis 1, and the output end of a liquid discharge pump in the medicine box 9 is communicated with the medicine spraying pipe 72 through a conduit.

It should be noted that: there are two liquid medicine spouts in medical kit 9 bottom, and the liquid medicine spout attaches in the frame downside, extends to frame front end shower nozzle department through transparent tubule, and the liquid medicine passes through the filter under the effect of liquid pump and reachs the flow divider, and the flow divider has two independent exports, can guarantee the pressure etc. of two exports, and the system pipeline keeps operating pressure, opens the flowing back pump and makes the liquid medicine in the medical kit 9 discharge from shower nozzle 74.

Further, in the preferred embodiment provided by the present invention, the bottom of the chassis 1 is provided with a camera assembly 8, and the camera assembly 8 includes a camera and an image processor electrically connected to the camera, the camera is installed at the bottom of the chassis 1 through a frame, and the image processor is installed in the camera;

in order to realize accurate, the appropriate amount spouts the medicine to the target, this equipment utilizes OpenMV machine vision technique to participate in weeds image recognition to the soil that is turned over and brushed by the cutter, as shown in fig. 4, regional a has illustrated the utility model provides a range that camera module 8 covered when carrying out weeds image recognition utilizes the camera to gather weeds distribution image to with data transfer to image processor, the analysis calculates spouts the medicine position, utilizes the steering wheel adjustment shower nozzle 74's of installation on the installation chunk 71 angle, spouts the medicine to the weeds variable through the solenoid valve that changes on the connecting pipe 73.

To sum up, the utility model provides a maize weeder's theory of operation as follows:

in order to adapt to the heights of the corn seedlings in different corn fields, the electric push rods 231 in the four lifting pieces 23 are started, so that the electric push rods 231 push the mounting frame 21 to enable the mounting frame 21 to support the chassis 1, and therefore the height of the chassis 1 and the ground is adjusted;

in order to adapt to the line spacing of the corn seedlings in different corn fields, the driving motor 242 is started to drive the connecting wheel to rotate, the connecting wheel is meshed with the connecting wheel on the lead screw 241, so that the lead screw 241 rotates, and the top of the telescopic rod of the electric push rod 231 is clamped with the sliding cavity 22 and is horizontally and slidably connected with the sliding cavity 22;

therefore, in the embodiment of the utility model provides an in, the telescopic link of two electric putter 231 after lead screw 241 is rotatory is along with screw thread through-hole along lead screw 241 with opposite directions or back-to-back motion to adjust two roll wheel 26's intervals on the mounting bracket 21 in real time, consequently the weeder can adapt to different maize lands row spacing, make the wheel base of this weeder and the size of ground clearance adjustable, can carry out weed processing to the difference of maize field row spacing difference and maize seedling's high difference, make the use occasion of this weeder bigger.

In addition, it is rotatory to open rotation motor 31 and drive two pivot 32, because the driving gear 33 on the pivot 32 passes through chain 34 and is connected with the driven gear meshing on the cylinder weeding cutter 35, consequently cylinder weeding cutter 35 rolls, not only can carry out mechanical mowing, can also utilize two cylinder weeding cutters 35 to carry out two-way weeding processing, make the weeding rate higher and weeding effect better, wherein, cylinder weeding cutter 35 designs into simply to dismantle, to the main weeds of maize field different grade type, can make the weeder can have corresponding weeding through changing the cutter, thereby improve the weeding efficiency of machine, also can further strengthen the universality and the application of this machine.

Be equipped with the sleeve in cylinder weeding cutter 35 cross-section center department, the department is equipped with the through-hole that runs through in the middle of the sleeve, the muffjoint of cutter axle and cutter center department, be equipped with on the cutter transmission shaft with the sleeve in the middle of the through-hole assorted fixed orifices, the through-hole passes through pin zonulae occludens in the middle of fixed orifices and the sleeve, the stability of machine cutter when the function has been guaranteed, the rotational speed governing of cutter is controlled by STM32 development board, there are two places pesticide spray pipes to attach under the medical kit 9 bottom frame downside, extend to frame front end shower nozzle department through transparent tubule, the liquid medicine passes through the filter arrival flow divider under the effect of liquid pump, the flow divider has two independent exports, can guarantee the pressure etc. of two exports, the system pipeline keeps operating pressure, it makes the liquid medicine in the medical kit 9 discharge from shower nozzle 74 to open the flowing back pump.

Furthermore, in order to realize accurate and proper pesticide spraying to the target, the device utilizes OpenMV to carry out weed image recognition on the soil which is turned over and brushed by the cutter, a camera is used for acquiring a weed distribution image, data are transmitted to an image processor, the pesticide spraying position is analyzed and calculated, a steering engine arranged on the mounting block 71 is used for adjusting the angle of the spray nozzle 74, and the variable pesticide spraying to the weeds is carried out by changing the electromagnetic valve on the connecting pipe 73.

To sum up, the utility model provides an among the weeder, rotary-cut formula weeder can also carry out the intertillage to maize interline when rotary-cut is weeded, and the wheel base of weeder and the size of ground clearance are adjustable, can carry out weed control to the difference in height of maize field row interval difference and maize seedling, application scope is wide, use occasion is bigger, and the weeder not only can weed the processing through rotary-cut formula weeding cutter, and can utilize to spout the medicine subassembly and spout medicine processing to weeds, realize mechanical and chemical weeding, the function is diversified, weed removal rate and weeding effect have been guaranteed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a multi-functional intelligent maize weeder of self-adaptation formula which characterized in that includes:

the device comprises a chassis (1), wherein adjusting components (2) are respectively arranged at the front and rear connecting ends of the chassis (1), and the adjusting components (2) are used for driving and adjusting the height of the chassis (1) and the wheel track of two rolling wheels (26) below the chassis (1);

the pesticide spraying assembly (7), the pesticide spraying assembly (7) is installed on the rear end face of the chassis (1); the weeder (3) is arranged in the middle of the chassis (1);

wherein the adjusting component (2) comprises a mounting frame (21), a sliding cavity (22), a lifting piece (23), a spacing piece (24), a bracket (25) and a rolling wheel (26); the mounting frame (21) is fixedly welded at the connecting end of the chassis (1); a sliding cavity (22) which is horizontally arranged is formed in the mounting rack (21);

install promotion piece (23) of two sets of symmetric distributions in slip chamber (22), and promote piece (23) and slip chamber (22) sliding connection, install spacing piece (24) between two promotion pieces (23), support (25) are all installed to the bottom of each promotion piece (23), and install on support (25) and rotate rolling wheel (26) of connecting and be used for driving the step motor that rolls wheel (26) rotation.

2. The self-adaptive multifunctional intelligent corn weeder as claimed in claim 1, wherein the weeder (3) comprises a rotating motor (31), a rotating shaft (32), a driving gear (33), a chain (34) and roller weeding cutters (35), the rotating motor (31) is mounted on the chassis (1) through a rack, two output ends of the rotating motor (31) are connected with the rotating shaft (32) through a coupler, the driving gear (33) is fixedly mounted at two ends of the rotating shaft (32), the driving gear (33) is meshed with driven gears on the roller weeding cutters (35) through the chain (34), and the two sets of roller weeding cutters (35) are rotatably mounted under the chassis (1) through a hood.

3. The self-adaptive multifunctional intelligent corn weeding machine according to claim 2, wherein the lifting member (23) comprises an electric push rod (231), a mounting plate (232) and an anti-slip cap (233), the electric push rod (231) is fixedly arranged on the mounting plate (232), and the mounting plate (232) is fixedly arranged on the top of the bracket (25);

the telescopic rod of the electric push rod (231) extends out of the sliding cavity (22) and is fixedly provided with an anti-skidding cap (233);

the top of the telescopic rod of the electric push rod (231) is clamped with the sliding cavity (22) and is horizontally connected with the sliding cavity (22) in a sliding manner.

4. The self-adaptive multifunctional intelligent corn weeding machine according to claim 3, wherein the spacing piece (24) comprises a lead screw (241) and a driving motor (242), the middle part of the lead screw (241) is rotatably mounted on a connecting frame, the connecting frame is fixedly mounted at the bottom of the chassis (1), two thread sections with opposite thread directions are formed in the lead screw (241), the two thread sections respectively penetrate through the telescopic rods of the electric push rods (231) at two sides and are in threaded connection with the thread through holes formed in the telescopic rods, the driving motor (242) is fixedly mounted at the bottom of the chassis (1), and the output end of the driving motor (242) is in meshed connection with the connecting wheel on the lead screw (241) through a connecting wheel.

5. The self-adaptive multifunctional intelligent corn weeding machine according to any one of claims 2-4, wherein the pesticide spraying assembly (7) comprises a mounting block (71), a pesticide spraying pipe (72), a connecting pipe (73) and a spraying head (74), and the mounting block (71) is fixedly mounted on the rear end face of the chassis (1); a plurality of pesticide spraying pipes (72) which are distributed at equal intervals are fixedly arranged on the mounting block (71), and a spray head (74) is arranged at the bottom of each pesticide spraying pipe (72) through a connecting pipe (73); a medicine box (9) is fixedly mounted on the chassis (1), and the output end of a liquid discharge pump in the medicine box (9) is communicated with the medicine spraying pipe (72) through a guide pipe.

6. The self-adaptive multifunctional intelligent corn weeding machine according to claim 5, wherein the bottom of the pesticide box (9) is provided with two pesticide spraying pipes which extend to the front end of the machine frame through a transparent thin pipe, pesticide liquid reaches the flow dividing valve through a filter under the action of the liquid pump, the flow dividing valve is provided with two independent outlets, and the liquid discharging pump is started to discharge the pesticide liquid in the pesticide box (9) from the spray head (74).

7. The self-adaptive multifunctional intelligent corn weeding machine as claimed in claim 6, wherein the roller weeding cutter (35) is detachably mounted under the chassis (1), a sleeve is arranged at the center of the cross section of the roller weeding cutter (35), a through hole is formed in the middle of the sleeve, the cutter shaft is connected with the sleeve at the center of the cutter, a fixing hole matched with the through hole in the middle of the sleeve is formed in the cutter transmission shaft, and the fixing hole is tightly connected with the through hole in the middle of the sleeve through a pin.

8. The self-adaptive multifunctional intelligent corn weeding machine according to any one of claims 1-4, wherein the bottom of the chassis (1) is provided with the camera assembly (8), the camera assembly (8) comprises a camera and an image processor electrically connected with the camera, the camera is arranged at the bottom of the chassis (1) through a rack, and the image processor is arranged in the camera.

9. The self-adaptive multifunctional intelligent corn weeding machine according to claim 8, wherein the chassis (1) is also fixedly provided with a gasoline engine (4), a gear control switch (5) and a handle (6).