Pesticide spraying device for removing and treating pine wood nematode disease

Abstract

The invention relates to the technical field of forestry protection, in particular to a pesticide spraying device for pine wood nematode disease removal and treatment, which comprises a treatment box, a controller and a cloud processor, a grinding plate is arranged in the treatment box, the grinding plate divides the interior of the treatment box into a grinding cavity and a mixing cavity, the grinding cavity is communicated with the mixing cavity, and a grinding assembly is arranged in the grinding cavity; a mixing assembly is arranged in the mixing cavity; a fixing frame is arranged on one side of the treatment box, a driving part is arranged in the fixing frame, and output shafts at the two ends of the driving part extend into the grinding cavity and out of the fixing frame correspondingly and are rotationally matched with the side wall of the treatment box and the side wall of the fixing frame correspondingly; a rotating disc is arranged on an output shaft of the driving part, a hinge shaft is arranged on one side of the rotating disc, a hinge rod is arranged on the hinge shaft, a moving plate is arranged at one end of the hinge rod, and a spraying assembly is arranged on one side of the moving plate. The grinding assembly, the mixing assembly and the spraying assembly are simultaneously driven by the driving part, the spraying position and the spraying angle are controlled, and the spraying accuracy and the spraying quality are improved.

Description

Technical Field

[0001] The invention relates to the technical field of forestry protection, and in particular to a spraying device for eliminating pine wood nematode disease. Background Art

[0002] Pine wilt disease is a pine tree disease caused by pine wood nematodes, which are mainly spread by pine beetles. The disease has the characteristics of rapid transmission, high mortality rate, and difficulty in prevention and control, causing serious damage to pine resources. Once infected, the water and nutrient transport channels of the pine tree will be quickly blocked, causing the pine tree to wither and die. Every year, a large number of pine trees die due to pine wilt disease, which not only destroys the ecological balance, but also brings serious economic losses.

[0003] Some existing spray devices for the control of pine wood nematode disease mainly adopt drilling and injecting drugs or large-scale aerial spraying of pesticides when controlling pine wood nematode disease. Although the pine wood nematode disease can be controlled to a certain extent, the control effect of the drilling and injecting drugs is poor, especially for large pine trees, which need to inject a large amount of drugs to achieve control effects. The aerial spraying method will cause the drug liquid to disperse when spraying, thereby reducing the control effect of the drug liquid.

[0004] In summary, the problem that some existing spray devices for controlling pine wood nematode disease use aerial spraying to reduce the control effect of the liquid medicine has become a difficult problem that needs to be solved urgently in this field. Therefore, it is necessary to propose a spray device for controlling pine wood nematode disease. Summary of the invention

[0005] To solve the above problems, the present invention provides a spraying device for eliminating pine wood nematode disease, which simultaneously drives a grinding component, a mixing component and a spraying component through a driving member, controls the spraying position and spraying angle, and improves the accuracy and quality of the spraying.

[0006] In order to achieve the above-mentioned purpose, the technical scheme of the present invention is as follows: a spraying device for eliminating pine wood nematode disease, comprising a processing box, a feed port is opened on the top of the processing box, and also comprises a controller, the controller is electrically connected to a cloud processor and a cloud database, a grinding plate with a U-shaped cross-section is fixedly connected to the inner side wall of the processing box, a plurality of grinding through holes are opened on the grinding plate, the grinding plate divides the inside of the processing box into a grinding chamber and a mixing chamber from top to bottom in sequence, the grinding chamber is connected with the mixing chamber through the grinding through holes, a grinding assembly for grinding solid medicinal materials into medicinal powder is arranged inside the grinding chamber, a liquid inlet is opened on the side wall of the mixing chamber, the mixing chamber is filled with liquid medicine, and a mixing assembly for mixing medicinal powder and liquid medicine is arranged inside the mixing chamber.

[0007] A fixed frame is fixedly connected to one side of the processing box, and a driving member is fixedly connected to the inner wall of the fixed frame. The controller is used to control the rotation of the output shaft of the driving member. The output shaft at one end of the driving member penetrates the side wall of the processing box and extends into the grinding chamber and rotates with the side wall of the processing box. The output shaft at the other end of the driving member penetrates the side wall of the fixed frame and extends to the outside of the fixed frame and rotates with the side wall of the fixed frame.

[0008] The output shaft of the driving member located outside the fixed frame is coaxially fixedly connected with a rotating disk, and the rotating disk is eccentrically fixedly connected with a hinge shaft on the side away from the output shaft of the driving member, and a hinge rod is hinged on the hinge shaft, and a movable plate is hinged on the end of the hinge rod away from the hinge shaft, and the side of the movable plate away from the hinge rod is vertically slidably connected to the outer wall of the fixed frame, and a spraying component for spraying medicine is provided on the side of the movable plate away from the fixed frame.

[0009] The technical principles of the above scheme are as follows:

[0010] The staff puts the solid medicinal materials into the grinding chamber through the feed port, adds liquid medicine into the mixing chamber through the liquid inlet, and starts the drive unit through the controller. At this time, the output shaft of the drive unit rotates, driving the grinding component, mixing component and spraying component to operate.

[0011] The grinding component grinds the solid medicinal material into medicinal powder. The medicinal powder falls into the mixing chamber through the grinding through hole, and the medicinal liquid and medicinal powder are fully mixed under the stirring action of the mixing component. Finally, the spraying device adjusts the spraying position and angle through the spraying component to spray the medicinal liquid.

[0012] The above scheme has the following beneficial effects:

[0013] 1. In the present invention, the driving member not only provides power for the grinding assembly, but also cleverly realizes the up and down movement of the spraying assembly, thereby effectively controlling the position and spraying angle of the spraying assembly, improving the spraying accuracy and spraying quality, ensuring that the liquid medicine can be evenly sprayed to the target area, and achieving a good prevention and control effect.

[0014] 2. The present invention, through the built-in grinding component and mixing component, the device can automatically grind solid medicinal materials into powder and fully mix them with liquid medicine. This design not only improves the utilization rate of medicinal materials, but also ensures the uniformity of liquid medicine components, thereby improving the spraying effect.

[0015] 3. The present invention electrically connects the controller with the cloud processor, so that the device can be remotely monitored and controlled, which improves the convenience and flexibility of operation and reduces the difficulty and cost of manual operation.

[0016] Furthermore, the grinding assembly includes a grinding rod coaxially fixedly connected to the output shaft of the driving member, the end of the grinding rod away from the driving member is rotatably connected to the inner wall of the grinding chamber, and a plurality of grinding rollers are coaxially fixedly connected to the grinding rod, and the grinding rollers are all rotatably matched with the grinding plate.

[0017] Beneficial effects: The design of coaxial fixed connection of several grinding rollers on the grinding rod ensures the uniformity of grinding action. As the grinding rod rotates, the uniform distribution of grinding rollers on the grinding plate greatly reduces the accumulation and local over-grinding of medicinal materials during the grinding process, thereby improving the grinding efficiency.

[0018] Furthermore, the mixing assembly includes a stirring rod rotatably engaged with the bottom wall of the mixing chamber, and the stirring rod is fixedly connected to a plurality of stirring blades along the circumference of its side wall. One end of the stirring rod away from the bottom wall of the mixing chamber passes through the grinding plate and extends into the grinding chamber and rotatably engages with the grinding plate.

[0019] One end of the stirring rod away from the bottom wall of the mixing chamber is coaxially fixedly connected with a transverse bevel gear, and the grinding rod is coaxially fixedly connected with a vertical bevel gear, and the transverse bevel gear is meshed with the vertical bevel gear.

[0020] Beneficial effects: The design of the stirring blade ensures that the liquid medicine and the medicinal material powder are fully mixed in the mixing chamber. As the stirring rod rotates, the stirring blade will produce a strong stirring effect in the mixing chamber, so that the liquid medicine and the medicinal material powder can be evenly and fully combined.

[0021] Furthermore, the spray assembly includes a limit frame fixedly connected to the inner side wall of the fixed frame, the side wall of the limit frame is vertically opened with an "Ω"-shaped limit groove, the limit groove is vertically slidably matched with a limit shaft, the limit shaft is eccentrically fixedly connected to a limit block, the limit block is eccentrically fixedly connected to a limit rod on the side away from the limit shaft, the side wall of the fixed frame is opened with a through groove, the limit rod extends to the outside of the fixed frame through the through groove, and the limit rod also penetrates the movable plate to extend to the outside of the movable plate and rotates with the movable plate.

[0022] One end of the limit rod outside the movable plate is coaxially fixedly connected with a spray block, the top of the spray block is fixedly connected with a spray plate, the top of the spray plate is fixedly connected with a plurality of atomizing nozzles, and the atomizing nozzles are all connected with the mixing chamber.

[0023] Beneficial effect: Through the sliding cooperation between the "Ω"-shaped limiting groove on the limiting frame and the limiting shaft, precise control of the limiting rod is achieved, thereby achieving precise control of the spraying position and angle.

[0024] Furthermore, a top cover is detachably connected to the feed inlet.

[0025] Beneficial effect: The close fit between the top cover and the feed port enhances the sealing of the device, helps prevent external impurities from entering the device, and maintains the purity of the liquid medicine and the normal operation of the device.

[0026] Furthermore, the drug solution is selected from one or more of avermectin preparations, thiacloprid preparations, imidacloprid preparations and green Wei Lei preparations.

[0027] Beneficial effects: The combination of one or more of avermectin preparations, thiacloprid preparations, imidacloprid preparations and green Weilei preparations can bring into play the synergistic effect of various agents and improve the control effect. Different agents can complement each other and enhance the killing effect on pine wood nematodes and their vector insects.

[0028] Furthermore, a base is fixedly connected to the bottom of the processing box, and a camera is fixedly connected to one side of the base. The controller is used to receive image information collected by the camera and send the image information to the cloud processor. The cloud processor analyzes the pine wood nematode disease situation in the current environment and determines whether spraying is required.

[0029] Beneficial effects: The cloud processor uses advanced image recognition and machine learning technologies to accurately determine the current situation of pine wood nematode disease. Based on the analysis results, the cloud processor can intelligently decide whether to spray pesticides, as well as the type, concentration, frequency and other parameters of the sprays. This intelligent monitoring and decision-making process greatly improves the accuracy and efficiency of prevention and control work.

[0030] Furthermore, a crawler track is fixedly connected to the bottom of the base, and the controller is used to control the movement of the crawler track.

[0031] Beneficial effects: The crawler design enables the spraying device to move stably under various terrain conditions, thus ensuring that the device can quickly reach the disease-affected area and carry out timely and effective prevention and control work.

[0032] Furthermore, the side walls of the processing box are symmetrically fixedly connected with solar panels.

[0033] Beneficial effects: Solar panels can capture and convert solar energy into electricity, providing green and sustainable energy for the device, reducing the spraying device's dependence on traditional electricity, thereby reducing the risk of device damage caused by power failure or instability. This helps to extend the service life of the device and reduce maintenance and replacement costs.

[0034] Furthermore, a backup power cavity is opened inside the base, and a backup power source is fixedly connected inside the backup power cavity.

[0035] Beneficial effect: The existence of the backup power supply reduces the possibility that the spraying device cannot operate normally due to insufficient power, thereby improving the overall reliability of the spraying device.

[0036] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 The figure is an axonometric diagram of a spraying device for eliminating pine wood nematode disease according to the present invention.

[0038] Figure 2 for Figure 1 Schematic diagram of the cross section along AA.

[0039] Figure 3 for Figure 1 Schematic diagram of the cross section along BB.

[0040] Figure 4 It is a side sectional schematic diagram of a treatment box and a fixing frame in the spraying device for eliminating pine wood nematode disease of the present invention.

[0041] The figure marks in the drawings of the specification include: 1. processing box; 2. base; 3. crawler; 4. camera; 5. grinding plate; 6. fixed frame; 7. grinding rod; 8. grinding roller; 9. stirring rod; 10. stirring blade; 11. horizontal bevel gear; 12. vertical bevel gear; 13. rotating disk; 14. hinged rod; 15. movable plate; 16. limit frame; 17. limit shaft; 18. limit block; 19. limit rod; 20. spray block; 21. spray plate; 22. atomizing nozzle; 23. top cover; 24. solar panel; 25. backup power supply. DETAILED DESCRIPTION

[0042] The following is further described in detail through specific implementation methods:

[0043] Embodiment 1:

[0044] As attached Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown: a spraying device for eliminating pine wood nematode disease, including a processing box 1, a feed port is opened on the top of the processing box 1, and a top cover 23 is detachably connected to the feed port by a thread, and also includes a controller, the controller is electrically connected to a cloud processor and a cloud database, a base 2 is integrally formed at the bottom of the processing box 1, a track 3 is fixedly installed with bolts on the bottom of the base 2, the controller is used to control the movement of the track 3, a camera 4 is fixedly connected to one side of the base 2 by screws, the controller is used to receive image information collected by the camera 4, and send the image information to the cloud processor, which analyzes the pine wood nematode disease situation in the current environment and determines whether spraying operation is needed.

[0045] The inner wall of the treatment box 1 is integrally formed with a grinding plate 5 with a U-shaped cross-section, and a plurality of grinding through holes are formed on the grinding plate 5. The grinding plate 5 divides the inside of the treatment box 1 into a grinding chamber and a mixing chamber from top to bottom. The grinding chamber is connected to the mixing chamber through the grinding through holes. A grinding assembly for grinding solid medicinal materials into medicinal powder is provided inside the grinding chamber. A liquid inlet is provided on the side wall of the mixing chamber. The mixing chamber is filled with liquid medicine, and a mixing assembly for mixing medicinal powder and liquid medicine is provided inside the mixing chamber. The liquid medicine is selected from one or more of avermectin preparations, thiacloprid preparations, imidacloprid preparations, and green Weilei preparations.

[0046] A fixed frame 6 is welded to one side of the processing box 1, and a driving member is fixedly connected to the inner wall of the fixed frame 6 by bolts, and the controller is used to control the rotation of the output shaft of the driving member. In this embodiment, the driving member uses a double-headed motor, and the output shaft at one end of the double-headed motor penetrates the side wall of the processing box 1 and extends into the grinding chamber and rotates with the side wall of the processing box 1, and the output shaft at the other end of the double-headed motor penetrates the side wall of the fixed frame 6 and extends to the outside of the fixed frame 6 and rotates with the side wall of the fixed frame 6.

[0047] The grinding assembly includes a grinding rod 7 which is coaxially bolted to the output shaft of the double-headed motor. Figure 4 As shown, the left end of the grinding rod 7 is rotatably connected to the inner wall of the grinding chamber, and a plurality of grinding rollers 8 are coaxially and integrally formed on the grinding rod 7 , and the grinding rollers 8 are all rotatably matched with the grinding plate 5 .

[0048] The mixing assembly includes a stirring rod 9 rotatably engaged with the bottom wall of the mixing chamber, and a plurality of stirring blades 10 are welded to the stirring rod 9 along the circumference of the side wall. Figure 4 As shown, the upper end of the stirring rod 9 passes through the grinding plate 5 and extends into the grinding chamber and rotates with the grinding plate 5.

[0049] A transverse bevel gear 11 is coaxially fixedly connected to the upper end of the stirring rod 9 , and a vertical bevel gear 12 is coaxially fixedly connected to the grinding rod 7 . The transverse bevel gear 11 is meshed with the vertical bevel gear 12 .

[0050] like Figure 1 As shown, the output shaft of the double-headed motor located outside the fixed frame 6 is coaxially fixed with a rotating disk 13, and a hinge shaft is eccentrically welded on the right side of the rotating disk 13. A hinge rod 14 is hinged on the hinge shaft, and a movable plate 15 is hinged at the bottom end of the hinge rod 14. The left side of the movable plate 15 is vertically slidably connected to the outer side wall of the fixed frame 6, and a spraying component for spraying medicine is provided on the right side of the movable plate 15.

[0051] The spray assembly includes a limit frame 16 welded to the inner wall of the fixed frame 6, and the side wall of the limit frame 16 is vertically provided with an "Ω"-shaped limit groove, and a limit shaft 17 is vertically slidably fitted in the limit groove, and the limit shaft 17 is eccentrically welded with a limit block 18, such as Figure 4As shown, a limiting rod 19 is eccentrically welded on the right side of the limiting block 18, and a through slot is opened on the side wall of the fixed frame 6. The limiting rod 19 extends to the outside of the fixed frame 6 through the through slot. The limiting rod 19 also penetrates the movable plate 15 and extends to the outside of the movable plate 15 and rotates with the movable plate 15.

[0052] A spray block 20 is coaxially welded to one end of the limit rod 19 outside the movable plate 15. A spray plate 21 is integrally formed on the top of the spray block 20. A plurality of atomizing nozzles 22 are fixedly connected to the top of the spray plate 21 by screws. The atomizing nozzles 22 are all connected to the mixing chamber.

[0053] The specific implementation process is as follows: the staff adds liquid medicine into the mixing chamber through the liquid inlet, and puts the solid medicinal material into the grinding chamber through the feed inlet. The staff starts the double-headed motor through the controller, and the output shaft of the double-headed motor rotates, driving the grinding rod 7 to rotate, and the grinding rod 7 drives the grinding roller 8 to rotate together, grinding the solid medicinal material into medicinal material powder, which will fall into the mixing chamber through the grinding through hole.

[0054] During the rotation process, the grinding rod 7 will also drive the vertical bevel gear 12 coaxially fixed therewith to rotate, and then the vertical bevel gear 12 will drive the transverse bevel gear 11 to rotate, and the transverse bevel gear 11 will drive the stirring rod 9 to rotate, and the stirring rod 9 will drive the stirring blade 10 to rotate, so as to fully mix the medicinal powder and the medicinal liquid.

[0055] After the medicinal powder and the liquid medicine are fully mixed, the staff moves the spraying device to the forest area, retrieves and loads the movement route of the spraying device from the cloud database, and then starts the crawler 3 through the controller to drive the spraying device to move along the predetermined movement route.

[0056] During the movement of the spraying device, the camera 4 will collect image information of the current environment in real time and send the image information to the controller, which will send the image information to the cloud processor. The cloud processor will make real-time judgments on the current environmental conditions. When an obstacle appears in front, the cloud processor will adjust the route of the spraying device in real time according to the image information of the current environment.

[0057] When the pine needles in the image information appear yellow-brown and the pine tree wilts, the cloud processor determines that the pine tree is suffering from pine wilt disease. At this time, the cloud processor sends a spraying signal to the controller, and the controller controls the operation of the crawler 3 to drive the spraying device to the root of the pine tree.

[0058] After the spraying device reaches the root of the pine tree, the controller controls the double-headed motor output shaft to rotate, the double-headed motor output shaft drives the rotating disk 13 to rotate, the rotating disk 13 drives the hinge shaft to rotate, the hinge shaft drives the hinge rod 14 to swing up and down, and the hinge rod 14 drives the moving plate 15 to move up and down.

[0059] The movable plate 15 will drive the limit rod 19 to move up and down with it during the up and down movement, the limit rod 19 will drive the limit block 18 to move up and down, and the limit rod 19 will drive the limit shaft 17 to move up and down. Thanks to the design of the vertical "Ω"-shaped limit groove, the limit shaft 17 will be blocked by the limit groove when it moves up and down. At this time, since the limit rod 19 and the limit block 18, as well as the limit block 18 and the limit shaft 17 are all eccentrically designed, when the limit shaft 17 is blocked, the limit block 18 eccentrically set with it will rotate, and then the limit block 18 will drive the limit rod 19 to rotate. At this time, the limit rod 19 will drive the spray block 20 to rotate, the spray block 20 will drive the spray plate 21 to rotate, and then the spray plate 21 will drive the atomizing nozzle 22 to rotate, so as to adjust the angle and position of the atomizing nozzle 22.

[0060] After the angle and position of the atomizing nozzle 22 are adjusted, the liquid medicine in the mixing chamber will be sprayed out through the atomizing nozzle 22, so that the liquid medicine is accurately sprayed on the roots and side walls of the pine trees suffering from pine wood nematode disease, thereby achieving targeted treatment.

[0061] The present invention automatically grinds solid medicinal materials into powder through built-in grinding components and mixing components, and fully mixes them with liquid medicine, which not only improves the utilization rate of medicinal materials, but also ensures the uniformity of liquid medicine components, thereby improving the spraying effect. At the same time, the present invention also improves the accuracy and quality of spraying by adjusting the spraying position and spraying angle of the spraying component, ensuring that the liquid medicine can be evenly sprayed to the target area to achieve a good prevention and control effect.

[0062] Embodiment 2:

[0063] As attached Figure 1 , Figure 2 and Figure 3 As shown, the difference from Example 1 is that a solar panel 24 is symmetrically embedded and installed on the side wall of the processing box 1, a backup power cavity is opened inside the base 2, and a backup power supply 25 is bolted and fixed inside the backup power cavity.

[0064] The specific implementation process is as follows: when the solar panel 24 is exposed to sunlight, it will charge the backup power supply 25, thereby storing backup energy for the spraying device and reducing the energy consumption of the spraying device.

[0065] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A spraying device for eliminating pine wood nematode disease, comprising a treatment box (1), the top of which is provided with a feed inlet, characterized in that: Also included is a controller, the controller being electrically connected to a cloud processor and a cloud database; A grinding plate (5) having a U-shaped cross section is fixedly connected to the inner wall of the processing box (1), a plurality of grinding through holes are formed on the grinding plate (5), and the grinding plate (5) divides the interior of the processing box (1) into a grinding chamber and a mixing chamber from top to bottom in sequence; The grinding chamber is connected to the mixing chamber through a grinding through hole, and a grinding assembly for grinding solid medicinal materials into medicinal material powder is arranged inside the grinding chamber; The side wall of the mixing chamber is provided with a liquid inlet; the mixing chamber is filled with liquid medicine; a mixing component for mixing medicinal material powder and liquid medicine is provided inside the mixing chamber; A fixed frame (6) is fixedly connected to one side of the processing box (1), and a driving member is fixedly connected to the inner side wall of the fixed frame (6). The controller is used to control the rotational operation of the output shaft of the driving member. The output shaft at one end of the driving member passes through the side wall of the processing box (1) and extends into the grinding chamber and is rotationally matched with the side wall of the processing box (1). The output shaft at the other end of the driving member passes through the side wall of the fixed frame (6) and extends outside the fixed frame (6) and is rotationally matched with the side wall of the fixed frame (6). The output shaft of the driving member located outside the fixed frame (6) is coaxially fixedly connected to a rotating disk (13); the rotating disk (13) is eccentrically fixedly connected to a hinge shaft at a side away from the output shaft of the driving member; a hinge rod (14) is hingedly connected to the hinge shaft; a movable plate (15) is hingedly connected to one end of the hinge rod (14) away from the hinge shaft; and the movable plate (15) is vertically slidably connected to an outer wall of the fixed frame (6) at a side away from the hinge rod (14); A spraying assembly for spraying medicine is provided on one side of the movable plate (15) away from the fixed frame (6).

2. The spraying device for eliminating pine wood nematode disease according to claim 1, characterized in that: The grinding assembly comprises a grinding rod (7) coaxially fixedly connected to the output shaft of the driving member, the end of the grinding rod (7) away from the driving member is rotatably connected to the inner wall of the grinding chamber, and a plurality of grinding rollers (8) are coaxially fixedly connected to the grinding rod (7), and the grinding rollers (8) are all rotatably matched with the grinding plate (5).

3. The spraying device for eliminating pine wood nematode disease according to claim 2, characterized in that: The mixing assembly comprises a stirring rod (9) rotatably engaged with the bottom wall of the mixing chamber, a plurality of stirring blades (10) being fixedly connected to the stirring rod (9) along the circumferential direction of the side wall thereof, and an end of the stirring rod (9) away from the bottom wall of the mixing chamber passes through the grinding plate (5) and extends into the grinding chamber and is rotatably engaged with the grinding plate (5); One end of the stirring rod (9) away from the bottom wall of the mixing chamber is coaxially fixedly connected to a transverse bevel gear (11), and the grinding rod (7) is coaxially fixedly connected to a vertical bevel gear (12), and the transverse bevel gear (11) is meshed with the vertical bevel gear (12).

4. The spraying device for eliminating pine wood nematode disease according to claim 3, characterized in that: The spray assembly comprises a limit frame (16) fixedly connected to the inner side wall of the fixed frame (6); the side wall of the limit frame (16) is vertically provided with an "Ω"-shaped limit groove; a limit shaft (17) is vertically slidably fitted in the limit groove; the limit shaft (17) is eccentrically fixedly connected to a limit block (18); the limit block (18) is eccentrically fixedly connected to a limit rod (19) at a side away from the limit shaft (17); the side wall of the fixed frame (6) is provided with a through groove; the limit rod (19) extends to the outside of the fixed frame (6) through the through groove; the limit rod (19) also penetrates the movable plate (15) to extend to the outside of the movable plate (15) and is rotationally fitted with the movable plate (15); One end of a limit rod (19) located outside the movable plate (15) is coaxially fixedly connected to a spray block (20), a top of the spray block (20) is fixedly connected to a spray plate (21), a top of the spray plate (21) is fixedly connected to a plurality of atomizing nozzles (22), and the atomizing nozzles (22) are all connected to the mixing chamber.

5. The spraying device for eliminating pine wood nematode disease according to claim 4, characterized in that: A top cover (23) is detachably connected to the feed inlet.

6. The spraying device for eliminating pine wood nematode disease according to claim 5, characterized in that: The liquid medicine is selected from one or more of avermectin preparation, thiacloprid preparation, imidacloprid preparation and green Wei Lei preparation.

7. The spraying device for eliminating pine wood nematode disease according to claim 6, characterized in that: The bottom of the processing box (1) is fixedly connected to a base (2), and one side of the base (2) is fixedly connected to a camera (4). The controller is used to receive image information collected by the camera (4) and send the image information to a cloud processor, which analyzes the pine wood nematode disease situation in the current environment and determines whether spraying is required.

8. The spraying device for eliminating pine wood nematode disease according to claim 7, characterized in that: A crawler belt (3) is fixedly connected to the bottom of the base (2), and a controller is used to control the movement of the crawler belt (3).

9. The spraying device for eliminating pine wood nematode disease according to claim 8, characterized in that: The side walls of the processing box (1) are symmetrically fixedly connected with solar panels (24).

10. The spraying device for eliminating pine wood nematode disease according to claim 9, characterized in that: A backup power cavity is provided inside the base (2), and a backup power source (25) is fixedly connected inside the backup power cavity.

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