Pesticide injection device for pine nematode disease prevention and control

Abstract

The invention discloses a pesticide injection device for pine nematode disease prevention and control, and relates to the technical field of pine nematode disease prevention and control, the pesticide injection device comprises a supply box, a drilling machine, a measuring rod and a drilling rod, the drilling machine is connected with a wire, the other end of the wire is connected with the supply box, a battery is installed in the supply box, and pesticide is stored in the supply box; a mounting box is fixedly connected to the upper end of the end, away from the drilling machine, of the base, a driving mechanism and a medicine supply mechanism are arranged in the mounting box, a sliding groove is formed in the side wall of the end, away from the drilling machine, of the mounting box, one measuring rod is fixedly connected with the mounting box, the other measuring rod is fixedly connected with a sliding block, the sliding block is in sliding connection with the sliding groove, and the drill rod is slidably sleeved with an indicating rod. The pine tree pesticide injection device has the advantages that pesticide injection can be directly conducted on pine trees after punching is conducted, the pesticide injection efficiency is remarkably improved, the punching depth and the pesticide injection amount can be accurately controlled according to pine trees with different diameters, and the control effect on the pine tree nematode disease is improved.

Description

Technical Field

[0001] The invention relates to the technical field of pine nematode disease prevention and control, and in particular to a drug injection device for pine nematode disease prevention and control. Background Art

[0002] Pine wilt disease, also known as pine wilt, is a devastating forest disease caused by pine wood nematodes. The main vector insect for pine wood nematodes is Monochamus alternatus, also known as pine brown beetle. The entire reproduction cycle of pine wood nematodes takes place inside pine trees. When the vector insects carrying pine wood nematodes feed on healthy pine branches or lay eggs, the nematodes enter the pine tree and spread the disease.

[0003] In the process of preventing and controlling pine wood nematode disease, it is necessary to drill holes in the tree trunks and inject medicine, that is, drill holes first and then inject. After the existing injection device finishes drilling, a separate injection device needs to be used for injection. The steps are cumbersome, which reduces the injection efficiency. In addition, when injecting medicine in the field, the staff cannot accurately judge the diameter of the pine tree, and thus cannot accurately control the drilling depth, and cannot accurately control the injection amount according to the different diameters of pine trees to save medicine. Summary of the Invention

[0004] The purpose of the present invention is to provide a drug injection device for preventing and controlling pine nematode disease, so that the pine tree can be directly injected with drugs after drilling, which significantly improves the injection efficiency. The drilling depth and injection amount can be accurately controlled according to the diameters of pine trees, thereby improving the prevention and control effect of pine nematode disease.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a drug injection device for the prevention and control of pine nematode disease, comprising a supply box, a drill rig, a measuring rod and a drill rod, a wire connected to the drill rig, the other end of the wire is connected to the supply box, batteries are installed in the supply box and medicines are stored, the bottom of the drill rig is fixedly connected to a base, the upper end of the base away from the drill rig is fixedly connected to an installation box, a driving mechanism and a drug supply mechanism are provided inside the installation box, a slide groove is provided on the side wall of the installation box away from the drill rig, two measuring rods are provided, one measuring rod is fixedly connected to the installation box, and a slider is fixedly connected to the other measuring rod, the slider is slidably connected to the slide groove, and an indicator rod is provided on the sliding sleeve of the drill rod.

[0006] The driving mechanism includes a second rotating shaft and a second rack. A round rod is fixedly connected to the inside of the mounting box, and the outside of the round rod is slidably connected to the rack. The inside of the mounting box is rotatably connected to the second rotating shaft, and the outside of the second rotating shaft is coaxially fixed with a second gear and a first bevel gear. The second gear is meshed with the second rack, and the second rack is fixed to the slider.

[0007] The driving mechanism also includes a rack 1, a rotating shaft 1 and a gear 1. The rotating shaft 1 is rotatably connected to the inside of the installation box. The outside of the rotating shaft 1 is coaxially connected to the gear 1 and the bevel gear 2. The bevel gear 2 is meshed with the bevel gear 1. The inside of the installation box is also fixed with a limit rod. One end of the limit rod is slidably plugged into the rack 1. Limit blocks are provided on both side walls of the rack 1. A limit groove is also provided on the installation box. The rack 1 is slidably connected to the inside of the limit groove. The rack 1 is meshed with the gear 1. The upper end of the rack 1 is fixed to the bottom end of the indicator rod.

[0008] The ends of the two measuring rods away from the mounting box are fixed with a guide rod, the measuring rod fixed to the mounting box is fixed with a sleeve, the measuring rod slidably connected to the mounting box is fixed with a sleeve rod, one end of the sleeve rod is slidably connected to the sleeve, and a spring four is fixed between the sleeve rod and the sleeve.

[0009] The medicine supply mechanism includes a transition tube, a clamping tube, a conical head and a medicine supply box. The medicine supply box is fixedly connected to the inside of the installation box. The medicine supply box is connected to a medicine supply tube. A tube clamp is fixedly connected to the base. The end of the medicine supply tube away from the medicine supply box passes through the tube clamp and is bundled with a wire and connected to the inside of the supply box. A push rod is also fixedly connected to the upper end of rack one. Push plates one and two are slidably connected to the inside of the medicine supply box. A spring three is fixedly connected between push plates one and two, and the push rod is fixedly connected to push plate one.

[0010] The upper end of the medicine supply box is fixedly connected to a support column and is connected to a medicine outlet pipe. The upper end of the support column is fixedly connected to a transition pipe, which is connected to the medicine outlet pipe. The output end of the drilling rig is fixedly connected to a clamping head, which is provided with a limiting ring 1, and the end of the clamping head is fixedly connected to an insert rod 3. The limiting ring 1 is rotatably connected to the inside of the transition pipe, and a clamping pipe is provided between the drill rod and the transition pipe.

[0011] A second socket and a second limiting ring are provided on the clamping tube. The second limiting ring is rotatably connected to the inside of the transition tube. The third plug rod is inserted into the second socket. A fixed ring is fixedly connected to the outside of the clamping tube and a slip ring is slidably connected. A second spring is fixedly connected between the slip ring and the fixed ring. A stop block is provided on one side of the slip ring. A spring is fixedly connected between the stop block and the clamping tube. An end of the stop block close to the clamping tube is fixedly connected to a first plug rod, which slides and extends into the inside of the clamping tube.

[0012] A pipe hole is provided inside the drill pipe, and the transition pipe, the clamping pipe and the pipe hole are connected. A socket 1 is provided inside the clamping pipe, and an insertion rod 2 is fixedly connected to one end of the conical head. The insertion rod 2 slides through the drill pipe away from the end of the conical head and is slidably plugged into the socket 1, and the insertion rod 1 is slidably plugged into the insertion rod 2, and the drill pipe is threadedly connected to the clamping pipe.

[0013] Beneficial effects of the present invention:

[0014] 1. Through the arrangement of the measuring rod and the driving mechanism, when drilling holes in pine trees of different diameters, the measuring rod can be used to abut against the outer wall of the pine tree to measure the diameter of the pine tree. At the same time, the indicator rod is driven by the rack 1, rack 2, gear 1 and other structures to move on the drill rod to obtain the drillable depth of the drill rod, thereby achieving precise control of the drilling depth when injecting medicine into pine trees of different diameters, ensuring that the medicine can penetrate a certain distance into the xylem of the pine tree, allowing the medicine to spread throughout the entire pine tree, and ensuring the prevention and control effect of pine nematode disease.

[0015] 2. Through the setting of the medicine supply mechanism, when the measuring rod is in contact with the outer wall of the pine tree to measure the diameter of the pine tree, the movement of the measuring rod can also drive the movement of the push rod, and the greater the moving distance of the measuring rod, the greater the moving distance of the push rod. When the push rod pushes the push plate 1 and the push plate 2 to move, the medicine inside the medicine supply box is injected into the tree hole through the transition pipe, the clamping pipe, and the pipe hole, thereby realizing precise control of the injection amount when injecting medicine to pine trees of different diameters, saving medicine while ensuring the prevention and control effect of pine nematode disease.

[0016] 3. Through the setting of the conical head, the conical head can rotate with the drill rod during drilling to facilitate drilling, and at the same time seal the pipe hole to avoid blockage of the pipe hole and affect the subsequent outflow of the agent. When injecting the agent, the conical head can be separated from the drill rod, so that the agent can flow out of the pipe hole and directly realize the injection of the agent, avoiding the need to use a separate injection device for injection after drilling, simplifying the injection steps and significantly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the local structure of the present invention Figure 1 ;

[0019] Figure 3 It is a schematic diagram of the local structure of the present invention Figure 2 ;

[0020] Figure 4 This is the enlarged view of point A;

[0021] Figure 5 This is an enlarged view of point B;

[0022] Figure 6 This is a schematic diagram of the internal structure of the medicine box of the present invention;

[0023] Figure 7 This is a diagram showing the connection structure of the drill rod of the present invention;

[0024] Figure 8 is a cross-sectional view of the clamping rod of the present invention;

[0025] Figure 9 is a cross-sectional view of a transition duct of the present invention;

[0026] Figure 10 It is a cross-sectional view of the clamping tube of the present invention.

[0027] In the figure, 1. supply box; 2. conductor; 3. drilling rig; 4. drug supply pipe; 5. drill rod; 6. guide rod; 7. measuring rod; 8. mounting box; 9. base; 10. sleeve rod; 11. slider; 12. slideway; 13. indicator rod; 14. conical head; 15. support column; 16. transition pipe; 17. clamping head; 18. sleeve; 19. rack (1); 20. push rod; 21. push plate (1); 22. clamping tube; 23. limit groove; 24. gear (1); 25. rack (2); 26. round rod; 27. limit rod ; 28. Limit block; 29. ​​Rotating shaft one; 30. Gear two; 31. Rotating shaft two; 32. Bevel gear one; 33. Bevel gear two; 34. Stop block; 35. Insert rod one; 36. Spring one; 37. Slip ring; 38. Spring two; 39. Fixed ring; 40. Push plate two; 41. Spring three; 42. Limit ring one; 43. Pipe hole; 44. Insert rod two; 45. Limit ring two; 46. Insert rod three; 47. Socket one; 48. Socket two; 49. Pipe clamp; 50. Medicine supply box; 51. Medicine outlet pipe. DETAILED DESCRIPTION

[0028] The following is a further description of specific embodiments of the present invention in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is intended to facilitate understanding of the present invention and does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0029] like Figures 1-10The shown device is a drug injection device for preventing and controlling pine nematode disease, comprising a supply box 1, a drill rig 3, a measuring rod 7 and a drill rod 5. The drill rig 3 is connected to a wire 2, the other end of the wire 2 is connected to the supply box 1, the supply box 1 is equipped with a battery and stores medicine, the bottom of the drill rig 3 is fixedly connected to a base 9, the upper end of the base 9 away from the drill rig 3 is fixedly connected to an installation box 8, a driving mechanism and a drug supply mechanism are arranged inside the installation box 8, a slide groove 12 is arranged on the side wall of the end of the installation box 8 away from the drill rig 3, two measuring rods 7 are provided, one measuring rod 7 is fixedly connected to the installation box 8, and the other measuring rod 7 is fixedly connected to a slider 11, the slider 11 is slidably connected to the slide groove 12, and an indicator rod 13 is provided on the sliding sleeve of the drill rod 5. Because the diameters of pine trees are different, generally, the older the pine trees with larger diameters are, the more phloem and xylem they have. The thicker the part, the more difficult it is to drill a hole. Only the xylem of the pine tree has a conduction system that can transport the injected medicine to the whole body of the pine tree. Therefore, the drilling depth requirement needs to be 5-7 cm deep into the xylem of the pine tree. When drilling in the field, the staff cannot accurately judge the diameter of the pine tree and obtain the accurate drilling depth based on the diameter of the pine tree, which will lead to poor prevention and control effect of nematode disease after injection. The measuring rod 7 set in the present application can measure the diameter of the pine tree, and the movement of the measuring rod 7 when measuring the diameter of the pine tree can be used to drive the indicator rod 13 to slide on the drill rod 5 to accurately indicate the drilling depth of the drill rod 5 corresponding to the measured diameter of the pine tree, so as to achieve accurate control of the drilling depth according to trees of different diameters, ensure that the injection of the medicine goes 5-7 cm deep into the xylem of the pine tree, and ensure the prevention and control effect of the medicine on nematode disease.

[0030] The driving mechanism includes a second rotating shaft 31 and a second rack 25. A round rod 26 is fixedly connected to the inside of the mounting box 8, and the outside of the round rod 26 is slidably connected to the second rack 25. The inside of the mounting box 8 is rotatably connected to the second rotating shaft 31, and the outside of the second rotating shaft 31 is coaxially fixed with a second gear 30 and a first bevel gear 32. The second gear 30 is meshed with the second rack 25, and the slider 11 is fixed to the rack 25.

[0031] The driving mechanism also includes a rack 19, a rotating shaft 29 and a gear 24. The rotating shaft 29 is rotatably connected to the inside of the installation box 8. The outside of the rotating shaft 29 is coaxially connected to the gear 24 and the bevel gear 2 33. The bevel gear 2 33 is meshed with the bevel gear 1 32. The interior of the installation box 8 is also fixed with a limit rod 27. One end of the limit rod 27 is slidably plugged into the rack 19. Limit blocks 28 are provided on both side walls of the rack 19. The installation box 8 is also provided with a limit groove 23. , rack 19 is slidably connected to the inside of the limit groove 23, rack 19 is meshed with gear 1 24, the upper end of the rack 19 is fixed to the bottom end of the indicator rod 13, and the meshing connection between gear 2 30 and rack 25 and the meshing connection between rack 19 and gear 1 24 can ensure a high-precision transmission ratio, so that the measuring rod 7 can be accurately transmitted to the indicator rod 13 when moving, thereby realizing the use of precise coordination of the mechanical structure to improve the indicating length of the indicator rod 13 and improve the accuracy of the drilling depth.

[0032] The two measuring rods 7 are fixedly connected to a guide rod 6 at one end away from the mounting box 8. The setting of the guide rod 6 makes it convenient to clamp the pine tree between the two measuring rods 7. The measuring rod 7 fixed to the mounting box 8 is fixed with a sleeve 18, and the measuring rod 7 slidingly connected to the mounting box 8 is fixed with a sleeve rod 10. One end of the sleeve rod 10 is slidingly connected to the sleeve 18, and a spring four is fixed between the sleeve rod 10 and the sleeve 18. After the subsequent drilling and injection is completed, under the action of the spring four, the sleeve rod 10 retracts into the sleeve 18, and the two measuring rods 7 can be reset.

[0033] The medicine supply mechanism includes a transition tube 16, a clamping tube 22, a conical head 14 and a medicine supply box 50. The medicine supply box 50 is fixedly connected to the interior of the installation box 8. The medicine supply box 50 is connected to a medicine supply pipe 4. The base 9 is fixedly provided with a pipe clamp 49. The end of the medicine supply pipe 4 away from the medicine supply box 50 passes through the pipe clamp 49 and is bundled with the wire 2 and connected to the interior of the supply box 1. The upper end of the rack 19 is also fixedly provided with a push rod 20. The interior of the medicine supply box 50 is slidingly connected with a push plate 1 21 and a push plate 2 40. A spring 3 41 is fixedly provided between the push plate 1 21 and the push plate 2 40. The push rod 20 is fixedly provided with the push plate 1 21. When the measuring rod 7 is reset, the push rod 20 can be subsequently driven by the driving mechanism to move in the direction close to the measuring rod 7, so that the push rod drives the push plates 1 21 and the push plates 2 40 to slide inside the medicine supply box 50, and the medicine inside the supply box 1 is drawn into the medicine supply box 50 through the medicine supply pipe 4 for the next injection.

[0034] The upper end of the medicine supply box 50 is fixedly connected to the support column 15 and is connected to the medicine outlet pipe 51. The upper end of the support column 15 is fixedly connected to the transition pipe 16, and the transition pipe 16 is connected to the medicine outlet pipe 51. The output end of the drilling rig 3 is fixedly connected to the clamping head 17, and the clamping head 17 is provided with a limiting ring 42, and the end of the clamping head 17 is fixedly connected to the insertion rod 3 46, and the limiting ring 42 is rotatably connected to the inside of the transition pipe 16. A clamping pipe 22 is provided between the drill rod 5 and the transition pipe 16.

[0035] The clamping tube 22 is provided with a second insertion hole 48 and a second limiting ring 45. The second limiting ring 45 is rotatably connected to the inside of the transition tube 16, and the third insertion rod 46 is inserted into the inside of the second insertion hole 48. The outside of the clamping tube 22 is fixedly connected to a fixing ring 39 and a sliding ring 37 is slidably connected. A second spring 38 is fixedly connected between the slip ring 37 and the fixing ring 39. One side of the slip ring 37 is provided with a stop block 34. A spring 1 36 is fixedly connected between the stop block 34 and the clamping tube 22. An insertion rod 1 35 is fixedly connected to the end of the stop block 34 close to the clamping tube 22. The insertion rod 1 35 slides and extends into the inside of the clamping tube 22. The arrangement of the transition tube 16 can not only enable the clamping head 17 to drive the clamping tube 22 to rotate, but also realize that when the clamping tube 22 rotates, the clamping head 17 can drive the clamping tube 22 to rotate, and can also realize that when the clamping tube 22 rotates, the clamping tube 22 is injected into the pipe hole 43 through the transition tube 16 and the clamping tube 22. Subsequently, the drill rod 5 is used to directly inject the medicine into the tree hole, thereby improving work efficiency.

[0036] A pipe hole 43 is provided inside the drill rod 5, and the transition pipe 16 and the clamping tube 22 are connected to the pipe hole 43. A socket 1 47 is provided inside the clamping tube 22. A second plug rod 44 is fixed to one end of the conical head 14. The end of the second plug rod 44 away from the conical head 14 slides through the drill rod 5 and is slidably plugged into the socket 1 47. The first plug rod 35 is slidably plugged into the second plug rod 44, and the drill rod 5 is threadedly connected to the clamping tube 22.

[0037] Working principle of the present invention:

[0038] When in use, the staff can carry the supply box 1 on their back. Figure 1The length of the middle conductor 2 and the drug supply tube 4 does not represent the actual length, but is only for the purpose of showing the accompanying drawings more concisely. First, tighten the threads of the drill rod 5 and the clamping tube 22, then turn the slip ring 37 so that the slip ring 37 squeezes the block 34, and the block 34 drives the insertion rod 1 35 to extend from the inside of the clamping tube 22. Then, slide the insertion rod 2 44 of the conical head 14 into the inside of the drill rod 5, and slide the insertion rod 2 44 into the socket 1 47. Then, loosen the slip ring 37, the slip ring 37 is separated from the block 34, and the block 34 is pressed against the spring 1 36. Under the action of the action, the first insertion rod 35 is inserted into the second insertion rod 44 to limit the conical head 14. The conical head 14 is tightly fitted with the end of the drill rod 5 to block the pipe hole 43, so that the conical head 14 can rotate with the drill rod 5, which is convenient for drilling. At the same time, it can prevent debris from entering the pipe hole 43 during drilling, causing blockage in the pipe hole 43 and affecting the outflow of the medicine. When it is necessary to inject medicine, the conical head 14 can be separated from the end of the drill rod 5 by an end distance, so that the medicine can enter the wood of the pine tree;

[0039] Then when it is necessary to drill a hole in the pine tree, and the hole depth reaches 5-7 cm into the xylem of the pine tree, the staff can hold the drill rig 3 so that the guide rod 6 abuts against the outer wall of the pine tree until the two measuring rods 7 abut against the outer wall of the pine tree. In the process of the measuring rod 7 abutting against the outer wall of the pine tree, the measuring rod 7 fixed to the installation box 8 remains stationary, and the measuring rod 7 slidingly connected to the installation box 8 will slide along the slide groove 12, and the measuring rod 7 will move away from the fixed measuring rod 7 until the two measuring rods 7 abut against the outer wall of the pine tree. When the sliding measuring rod 7 moves, it will drive the rack 2 25 to move along the round rod 26 through the slider 11. When the rack 2 25 moves, it drives the gear 2 30 to rotate. When the gear 2 30 rotates, it drives the coaxial bevel gear 1 32 to rotate. The bevel gear 1 32 drives the bevel gear 2 33 to rotate. The bevel gear 3 33 drives the coaxial gear 1 24 to rotate. The gear 1 24 drives the rack 19 along the limit groove 23 and the limit rod 27 When the rack 19 moves, it will drive the indicator rod 13 fixed thereto to move, and the indicator rod 13 will slide on the drill rod 5. The larger the diameter of the pine tree, the greater the distance the measuring rod 7 moves, the greater the distance the rack 19 drives the indicator rod 13 to move, and the greater the drilling depth of the drill rod 5. The length of the drill rod 5 between the indicator rod 13 and the conical head 14 can reach a hole depth of 5-7 cm in the xylem of the pine tree, thereby accurately controlling the drilling depth according to the diameter of different pine trees, and avoiding the situation where the hole depth is small, resulting in the agent only staying in the phloem and other parts, and unable to enter the transport system of the pine xylem, resulting in the agent being completely unable to play a role, thereby reducing the prevention and control effect of pine nematode disease. When the hole depth is large, the agent will enter the heartwood of the pine tree. After entering the heartwood, it is difficult for the agent to be transported to the crown, and most of it will remain near the hole, which will also reduce the prevention and control effect of pine nematode disease.

[0040] Then the drilling rig 3 is started, and the clamping head 17 of the drilling rig 3 drives the clamping tube 22 to rotate through the insertion rod 3 46, and the clamping tube 22 drives the drill rod 5 threaded therewith to rotate, and the drill rod 5 drives the conical head 14 to rotate through the insertion rod 2 44, thereby drilling a hole in the pine tree. At the same time, when the above-mentioned rack 19 moves, it also drives the push rod 20 to move. The larger the diameter of the pine tree, the greater the distance the rack 19 drives the push rod 20 to move. The push rod 20 drives the push rod 1 21 to squeeze the spring 3 41. The spring 3 41 is in a compressed state to store energy. Since the conical head 14 is in contact with the drill rod 5 at this time, the pipe hole 43 on the drill rod 5 is blocked. Therefore, the push plate 2 40 remains stationary under the elastic compression of the spring 3 41.

[0041] After the drilling is completed, the drill rod 5 can be extended a short distance from the tree hole, and then the slip ring 37 can be toggled so that the slip ring 37 squeezes the block 34, which will drive the insertion rod 1 35 to extend from the inside of the clamping tube 22, and the conical head 14 is released from the limit. The energy-storing spring 31 can now drive the push plate 2 40 to squeeze the medicine inside the medicine supply box 50, and enter the transition pipe 16, the clamping tube 22, and the tube hole 43 of the drill rod 5 in sequence through the medicine outlet pipe 51. The medicine inside the tube hole 43 impacts the conical head 14. At this time, the conical head 14 is no longer limited and can slide on the drill rod 5 through the insertion rod 2 44. The conical head 14 is separated from the drill rod 5 for a distance, and the medicine will flow into the pine tree hole, so that different amounts of medicine can be injected according to the diameter of the pine tree, saving medicine while ensuring the prevention and control effect of pine nematode disease. No electric energy is needed to provide power for injecting medicine, and all the electric energy can be used for drilling holes in pine trees, so that more pine trees can be injected at one time.

[0042] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A drug injection device for preventing and controlling pine nematode disease, characterized by: The invention comprises a supply box (1), a drilling machine (3), a measuring rod (7) and a drilling rod (5); a wire (2) is connected to the drilling machine (3); the other end of the wire (2) is connected to the supply box (1); a battery is installed in the supply box (1) and medicine is stored; a base (9) is fixedly connected to the bottom of the drilling machine (3); an upper end of the base (9) away from the drilling machine (3) is fixedly connected to an installation box (8); a driving mechanism and a medicine supply mechanism are provided inside the installation box (8); The driving mechanism includes a rack (19), a rotating shaft (29) and a gear (24). The mounting box (8) is further provided with a limiting groove (23), and the rack (19) is slidably connected to the inside of the limiting groove (23); The medicine supply mechanism includes a transition tube (16), a clamping tube (22), a conical head (14) and a medicine supply box (50). The medicine supply box (50) is fixedly connected to the inside of the installation box (8). The medicine supply box (50) is connected to a medicine supply tube (4). A tube clamp (49) is fixedly connected to the base (9). One end of the medicine supply tube (4) away from the medicine supply box (50) passes through the tube clamp (49) and is bundled with the wire (2) and connected to the inside of the supply box (1). The upper end of the rack (19) is also fixedly connected to a push rod (20). The inside of the medicine supply box (50) is slidably connected to a push plate (21) and a push plate (40). A spring (41) is fixedly connected between the push plate (21) and the push plate (40). The push rod (20) is fixedly connected to the push plate (21).

2. The drug injection device for preventing and controlling pine nematode disease according to claim 1, characterized in that: The rotating shaft 1 (29) is rotatably connected to the inside of the installation box (8), and the outside of the rotating shaft 1 (29) is coaxially connected to the gear 1 (24) and the bevel gear 2 (33), and the bevel gear 2 (33) is meshed with the bevel gear 1 (32). The interior of the installation box (8) is also fixed with a limit rod (27), one end of the limit rod (27) is slidably plugged with the rack 1 (19), and limit blocks (28) are provided on both side walls of the rack 1 (19), the rack 1 (19) is meshed with the gear 1 (24), and the upper end of the rack 1 (19) is fixed with the bottom end of the indicator rod (13).

3. The drug injection device for preventing and controlling pine nematode disease according to claim 2, characterized in that: The driving mechanism further comprises a second rotating shaft (31) and a second rack (25), the interior of the mounting box (8) is fixedly connected to a round rod (26), the exterior of the round rod (26) is slidably connected to the second rack (25), the interior of the mounting box (8) is rotatably connected to the second rotating shaft (31), the exterior of the second rotating shaft (31) is coaxially fixedly connected to the second gear (30) and the first bevel gear (32), the second gear (30) is meshedly connected to the second rack (25), and the second rack (25) is fixedly connected to the slider (11).

4. The drug injection device for preventing and controlling pine nematode disease according to claim 1, characterized in that: A slide groove (12) is provided on the side wall of the end of the installation box (8) away from the drilling machine (3), and two measuring rods (7) are provided, one measuring rod (7) is fixed to the installation box (8), and a slider (11) is fixed to the other measuring rod (7), and the slider (11) is slidably connected to the slide groove (12). The drilling rod (5) is slidably sleeved with an indicator rod (13), and the ends of the two measuring rods (7) away from the installation box (8) are fixed to a guide rod (6), and the measuring rod (7) fixed to the installation box (8) is fixed to a sleeve (18), and the measuring rod (7) slidably connected to the installation box (8) is fixed to a sleeve rod (10), one end of the sleeve rod (10) is slidably connected to the sleeve (18), and a spring (4) is fixed between the sleeve rod (10) and the sleeve (18).

5. The drug injection device for preventing and controlling pine nematode disease according to claim 1, characterized in that: The upper end of the medicine supply box (50) is fixedly connected to a support column (15) and is connected to a medicine outlet pipe (51). The upper end of the support column (15) is fixedly connected to a transition pipe (16). The transition pipe (16) is connected to the medicine outlet pipe (51). The output end of the drilling rig (3) is fixedly connected to a clamping head (17). A limiting ring (42) is provided on the clamping head (17). The end of the clamping head (17) is fixedly connected to an insert rod (46). The limiting ring (42) is rotatably connected to the inside of the transition pipe (16). A clamping pipe (22) is provided between the drill rod (5) and the transition pipe (16).

6. The drug injection device for preventing and controlling pine nematode disease according to claim 5, characterized in that: The clamping tube (22) is provided with a second jack (48) and a second limiting ring (45), the second limiting ring (45) is rotatably connected to the inside of the transition tube (16), and the third plug rod (46) is plugged into the inside of the second jack (48). The outside of the clamping tube (22) is fixedly connected with a fixed ring (39) and a sliding ring (37), and a second spring (38) is fixedly connected between the slip ring (37) and the fixed ring (39). A stop block (34) is provided on one side of the slip ring (37), and a first spring (36) is fixedly connected between the stop block (34) and the clamping tube (22). An end of the stop block (34) close to the clamping tube (22) is fixedly connected with a first plug rod (35), and the first plug rod (35) slides and extends into the inside of the clamping tube (22).

7. The drug injection device for preventing and controlling pine nematode disease according to claim 5, characterized in that: The drill rod (5) is provided with a pipe hole (43) inside, the transition pipe (16), the clamping tube (22) and the pipe hole (43) are communicated, the clamping tube (22) is provided with a first plug hole (47) inside, one end of the conical head (14) is fixedly connected with a second plug rod (44), the end of the second plug rod (44) away from the conical head (14) slides through the drill rod (5) and is slidably plugged into the first plug hole (47), and the first plug rod (35) is slidably plugged into the second plug rod (44), and the drill rod (5) is threadedly connected to the clamping tube (22).

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