A forestry disease and pest control drug spraying device and method

Abstract

The application discloses a forestry disease and insect pest prevention and treatment medicine spraying device and method, belongs to the technical field of forestry medicine spraying devices, and is characterized in that: the device comprises a walking assembly and a spraying assembly, the walking assembly is hingedly connected with the spraying assembly, a medicine containing box is installed on the walking assembly, the medicine containing box is connected with a pump body through a pipeline, and the pump body is connected with the spraying assembly through a pipeline. Compared with the prior art, the device has the characteristics of increased spraying range and enhanced penetration.

Description

Technical Field

[0001] This invention relates to the field of forestry spraying equipment technology, and in particular to a pesticide spraying device and method for the prevention and control of forestry pests and diseases. Background Technology

[0002] Forest pest and disease control spraying equipment, as the name suggests, is a crucial tool specifically designed for the precise and efficient spraying of pesticides or biological control agents onto trees. Its purpose is to prevent or control various pests and diseases, thereby protecting the healthy growth of forest resources. This type of equipment plays a vital role in forestry management, directly impacting the health of trees and the balance of the entire ecosystem.

[0003] Currently, with the advancement of technology, pesticide spraying equipment is constantly being innovated. One relatively advanced method is using drone technology for pesticide spraying. Drones, with their advantages of high flexibility, wide operating range, and ease of operation, have been widely used in forestry pest and disease control. However, drone spraying operations face challenges when dealing with complex environments with dense trees and lush foliage. The dense foliage obscures the area below, making it difficult for drones to evenly spray pesticides onto the branches, leaves, and trunk. This not only affects the control effect but may also lead to pesticide waste and environmental pollution. Therefore, despite the many advantages of drone spraying, its limitations are also evident in certain situations.

[0004] Another common pesticide spraying equipment is the fog cannon. Fog cannons use high pressure to mix water and pesticides, forming a mist of droplets that are then propelled by wind over long distances, covering a relatively large area. However, existing fog cannons still have shortcomings in spraying distance and penetration. Especially when facing tall, dense trees, the spraying effect of fog cannons is often unsatisfactory, making it difficult to ensure that the pesticide reaches deep into dense foliage areas to achieve comprehensive control. Furthermore, the use of fog cannons can be limited by natural conditions such as terrain and wind direction, further affecting their effectiveness. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of the prior art by providing a pesticide spraying device and method for controlling forest pests and diseases, thereby increasing the spraying range and enhancing penetration.

[0006] This invention provides a pesticide spraying device for controlling forest pests and diseases, characterized in that: it includes a walking assembly and a spraying assembly, the walking assembly and the spraying assembly being hinged together; a pesticide tank is installed on the walking assembly, the pesticide tank being connected to a pump body via a pipe, and the pump body being connected to the spraying assembly via a pipe; the spraying assembly includes a cylinder, a first impeller, a second impeller, an inner rotating shaft, a first outer rotating shaft, a second outer rotating shaft, and a reduction mechanism; the cylinder has a cavity with openings at both ends, and a first fixing frame is installed inside the cavity of the cylinder; the first fixing frame has a through hole at its center, and a first frameless torque motor is installed in the through hole of the first fixing frame; the inner ring of the first frameless torque motor is connected to the outer wall of the first outer rotating shaft; the first and second outer rotating shafts have axial through holes. The inner rotating shaft passes sequentially through the axial through holes of the first and second outer rotating shafts. The first and second outer rotating shafts are rotatably connected to the inner rotating shaft via bearings. The first outer rotating shaft is fixedly connected to the first impeller, and the second outer rotating shaft is connected to the second impeller. The first outer rotating shaft is connected to the inner rotating shaft via a reduction mechanism, and the first and second outer rotating shafts are connected via a coaxial reverse rotation mechanism. The inner rotating shaft has an inlet chamber with one open end, and the opening of the inner rotating shaft is connected to the pump body via a rotary joint and a pipe. The sealed end of the inner rotating shaft is provided with multiple vertically connected inlet pipes, the outer ends of which are connected to an annular pipe. The inlet chamber of the inner rotating shaft is sequentially connected to the cavities of the inlet pipes and the annular pipe. The annular pipe is provided with multiple atomizing nozzles evenly distributed in a circular shape.

[0007] Furthermore, the walking assembly is rotatably connected to the support frame via a rotating platform, and the upper end of the support frame is hinged to the spraying assembly.

[0008] Furthermore, the support frame is connected to the spray assembly via a telescopic rod, with the lower end of the telescopic rod hinged to the support frame and the upper end of the telescopic rod hinged to the spray assembly.

[0009] Furthermore, the reduction mechanism includes a drive gear, a transmission gear, and an internal gear ring. A first rotating outer shaft is fixedly connected to the gear hole of the drive gear. A plurality of rotating shafts evenly distributed in a circular pattern are mounted on a first fixed frame. The rotating shafts are rotatably connected to the gear holes of the transmission gears. The drive gear meshes externally with the transmission gear. The internal gear ring is fixedly connected to a connecting frame. A through hole is provided at the center of the connecting frame. The through hole of the connecting frame is fixedly connected to the rotating inner shaft. The internal gear ring meshes internally with the transmission gear.

[0010] Furthermore, the transmission gear is provided with multiple fan-shaped vent holes evenly distributed in a circumferential pattern.

[0011] Furthermore, the coaxial reverse rotation mechanism includes a driving bevel gear, a driven bevel gear, and a transmission bevel gear. A first rotating outer shaft is fixedly connected to the gear hole of the driving bevel gear, and a second rotating outer shaft is fixedly connected to the gear hole of the driven bevel gear. The driving bevel gear and the driven bevel gear mesh with the transmission bevel gear respectively. A second fixed frame is fixedly installed inside the cavity of the cylinder. Two symmetrically distributed connecting shafts are fixedly installed on the second fixed frame. The inner ends of the connecting shafts are rotatably connected to the gear hole of the transmission bevel gear.

[0012] Furthermore, the atomizing nozzle is tilted outwards towards the center line of the annular tube.

[0013] A method for spraying pesticides for the control of forest pests and diseases, characterized in that: S1. Pour the prepared medicine solution into the liquid collection tank; S2. Move this device to the location of the trees that need to be sprayed via the walking assembly, so that the spraying assembly is facing the trees that need to be sprayed; S3. Start the telescopic rod, which will cause the spraying assembly to rotate to a suitable angle for spraying. S4. Start the pump body. The pump body sends the liquid medicine in the medicine tank into the inlet chamber of the rotating inner shaft, and then through the infusion pipe and the ring pipe, and finally sprays it out through the atomizing nozzle. S5. Start the frameless motor. The frameless motor drives the first rotating outer shaft to rotate. The first rotating outer shaft drives the first impeller to rotate. The first impeller blows the pesticide mist sprayed from the atomizing nozzle toward the trees that need to be sprayed. S6. When the first rotating outer shaft rotates, the first rotating outer shaft drives the second rotating outer shaft to rotate in the opposite direction through the coaxial reverse rotation mechanism. The second rotating outer shaft drives the second impeller to rotate. The second impeller accelerates the airflow delivered into the cylinder by the first impeller, so that the airflow blown out of the cylinder can be blown further. S7. When the first rotating outer shaft rotates, it drives the annular tube to rotate through the reduction mechanism. The annular tube drives the atomizing nozzle to rotate, so that the sprayed drug is spiral and can be sprayed further.

[0014] Compared with the prior art, the present invention has the following outstanding advantages: 1. The present invention has a first blade and a second blade, which rotate in opposite directions. When the first blade and the second blade are rotating, they can cancel out part of the centrifugal force, reduce vibration, and make the present invention run more smoothly. 2. When the present invention is in operation, rotating the inner shaft can drive the annular tube to rotate, and the annular tube drives the atomizing nozzle to rotate, so that the sprayed medicine is spiral and the medicine is sprayed further. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the spraying assembly of the present invention; Figure 3 This is a front view of the spray assembly of the present invention; Figure 4 yes Figure 3 A sectional view of section AA; Figure 5 This is a left view of the spraying assembly of the present invention; Figure 6 This is a schematic diagram of the rotating platform of the present invention; The components include: 1. Walking assembly; 2. Medicine tank; 3. Spraying assembly; 31. Cylinder; 32. Annular pipe; 321. Infusion pipe; 322. Atomizing nozzle; 33. First impeller; 34. Rotating inner shaft; 341. Second rotating outer shaft; 342. First rotating outer shaft; 35. First frameless torque motor; 36. Second impeller; 37. Coaxial reverse rotation mechanism; 371. Driven bevel gear; 372. Transmission bevel gear; 373. Connecting shaft; 374. Second fixed frame; 375. Driving bevel gear; 38. First fixed frame; 4. Support frame; 5. Reduction mechanism; 51. Internal gear ring; 52. Transmission gear; 53. Driving gear; 54. Connecting frame; 6. Rotating table; 61. Flange; 62. Rotating cylinder; 63. Second frameless torque motor; 64. Chassis; 65. Fixed cylinder. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0017] like Figure 1 As shown, the present invention includes a walking assembly 1 and a spraying assembly 3.

[0018] The walking assembly 1 is rotatably connected to the support frame 4 via the rotating platform 6. The upper end of the support frame 4 is hinged to the spraying assembly 3. The support frame 4 is connected to the spraying assembly 3 via a telescopic rod. The lower end of the telescopic rod is hinged to the support frame 4, and the upper end of the telescopic rod is hinged to the spraying assembly 3.

[0019] like Figure 6 As shown, the rotating platform 6 includes a flange 61, a rotating cylinder 62, a second frameless torque motor 63, a base 64, and a fixed cylinder 65. The fixed cylinder 65 is coaxially and fixedly connected to the base 64. The lower end of the flange 61 is fixedly connected to the rotating cylinder 62. The second frameless torque motor 63 is fixedly installed inside the cavity of the fixed cylinder 65. The inner ring of the second frameless torque motor 63 is fixedly connected to the rotating cylinder 62. The rotating cylinder 62 and the fixed cylinder 65 are rotatably connected by bearings.

[0020] The flange 61 is provided with a through hole that communicates with the cavity of the rotating cylinder 62, and the base plate 64 is provided with a through hole that communicates with the cavity of the fixed cylinder 65, so that the through hole of the flange 61 is connected with the through hole on the base plate 64.

[0021] A medicine tank 2 is fixedly installed on the walking assembly 1. The medicine tank 2 is connected to the pump body through a pipe, and the pump body is connected to the spraying assembly 3 through a pipe.

[0022] like Figure 2 and 3 As shown, the spraying assembly 3 includes a cylinder 31, a first impeller 33, a second impeller 36, an inner rotating shaft 34, a first outer rotating shaft 342, a second outer rotating shaft 341, and a reduction mechanism 5. The cylinder 31 has a cavity with openings at both ends. A first fixing frame 38 is fixedly installed inside the cavity of the cylinder 31. A through hole is provided at the center of the first fixing frame 38. A first frameless torque motor 35 is fixedly installed in the through hole of the first fixing frame 38. The inner ring of the first frameless torque motor 35 is fixedly connected to the outer wall of the first outer rotating shaft 342.

[0023] The first rotating outer shaft 342 and the second rotating outer shaft 341 are provided with axial through holes. The rotating inner shaft 34 passes through the axial through holes of the first rotating outer shaft 342 and the second rotating outer shaft 341 in sequence. The first rotating outer shaft 342 and the second rotating outer shaft 341 are rotatably connected to the rotating inner shaft 34 through bearings. The first rotating outer shaft 342 is fixedly connected to the first impeller 33. The second rotating outer shaft 341 is fixedly connected to the second impeller 36. The first rotating outer shaft 342 is connected to the rotating inner shaft 34 through a reduction mechanism 5. The first rotating outer shaft 342 and the second rotating outer shaft 341 are connected through a coaxial reverse rotation mechanism 37.

[0024] The blades of the first impeller 33 and the second impeller 36 rotate in opposite directions.

[0025] like Figure 4 As shown, the reduction mechanism 5 includes a drive gear 53, a transmission gear 52, and an internal gear ring 51. The first rotating outer shaft 342 is fixedly connected to the gear hole of the drive gear 53. A plurality of rotating shafts evenly distributed in a circular pattern are mounted on the first fixed frame 38. The rotating shafts are rotatably connected to the gear hole of the transmission gear 52. The drive gear 53 meshes externally with the transmission gear 52. The internal gear ring 51 is fixedly connected to the connecting frame 54. A through hole is provided at the center of the connecting frame 54. The through hole of the connecting frame 54 is fixedly connected to the rotating inner shaft 34. The internal gear ring 51 meshes internally with the transmission gear 52.

[0026] In the optimized design, the transmission gear 52 is provided with multiple fan-shaped vent holes that are evenly distributed in a circular pattern.

[0027] The cylinder 31 is equipped with a dustproof end cover at one end where the deceleration mechanism 5 is installed, and a dustproof net is provided on the dustproof end cover.

[0028] The coaxial reverse rotation mechanism 37 includes a driving bevel gear 375, a driven bevel gear 371, and a transmission bevel gear 372. A first rotating outer shaft 342 is fixedly connected to the gear hole of the driving bevel gear 375, and a second rotating outer shaft 341 is fixedly connected to the gear hole of the driven bevel gear 371. The driving bevel gear 375 and the driven bevel gear 371 respectively mesh with the transmission bevel gear 372. A second fixing frame 374 is fixedly installed in the cavity of the cylinder 31. Two symmetrically distributed connecting shafts 373 are fixedly installed on the second fixing frame 374. The inner ends of the connecting shafts 373 are rotatably connected to the gear hole of the transmission bevel gear 372.

[0029] In this embodiment, the transmission ratio between the driving bevel gear 375 and the driven bevel gear 371 is greater than 1, so that the rotational speed of the second impeller 36 is less than the rotational speed of the first impeller 33. As a result, the torque generated by the rotation of the second impeller 36 and the annular tube 32 in the same direction can offset the torque generated by the rotation of the first impeller 33.

[0030] The rotating inner shaft 34 is provided with a liquid inlet chamber with one open end. The opening of the rotating inner shaft 34 is connected to the pump body through a rotary joint and a pipe. The sealed end of the rotating inner shaft 34 is provided with multiple infusion pipes 321 vertically fixedly connected. The outer end of the infusion pipes 321 is connected to the annular pipe 32. The liquid inlet chamber of the rotating inner shaft 34 is connected to the lumen of the infusion pipes 321 and the annular pipe 32 in sequence. The annular pipe 32 is provided with multiple atomizing nozzles 322 evenly distributed in a circumferential shape.

[0031] In the optimized scheme, the atomizing nozzle 322 is arranged tilted outwards towards the center line of the annular tube 32.

[0032] like Figure 5 As shown, multiple guide vanes 39 are installed on the inner wall of the cylinder 31 between the annular tube 32 and the second impeller 36. The inner ends of the multiple guide vanes 39 are connected by a rotating sleeve 391. The rotating sleeve 391 is provided with a rotating through hole. The rotating inner shaft 34 passes through the rotating through hole on the rotating sleeve 391, and the two are rotatably connected.

[0033] The air guide vane 39 is spiral-shaped, which enables the impeller to blow out spiral air.

[0034] The lower end of the support frame 4 is provided with a through hole, and the upper end face of the travel assembly 1 is provided with a through hole. A rotary joint is installed at the through hole on the upper end face of the travel assembly 1. The through hole of the support frame 4 and the through hole of the flange 61 of the rotating table 6 are arranged coaxially. The rotary joint at the opening of the inner rotating shaft 34 is connected to the rotary joint on the travel assembly 1 through a pipe. The rotary joint on the travel assembly 1 is connected to the medicine tank 2 through a pipe and the pump body.

[0035] A method for spraying pesticides for the control of forest pests and diseases includes the following steps: S1. Pour the prepared medicine solution into medicine container 2; S2. Move this device to the location of the trees that need to be sprayed via the walking assembly 1, so that the spraying assembly 3 is facing the trees that need to be sprayed; S3. Start the telescopic rod. The telescopic rod will drive the spray assembly 3 to rotate to a suitable angle for spraying. S4. Start the pump body. The pump body sends the liquid medicine in the medicine tank 2 into the liquid inlet chamber of the rotating inner shaft 34, and then through the infusion pipe 321 and the annular pipe 32, and finally sprays it out through the atomizing nozzle 322. S5. Start the first frameless motor 35. The first frameless motor 35 drives the first rotating outer shaft 342 to rotate. The first rotating outer shaft 342 drives the first impeller 33 to rotate. The first impeller 33 blows the sprayed medicine mist from the atomizing nozzle 322 toward the trees that need to be sprayed. S6. When the first rotating outer shaft 342 rotates, the first rotating outer shaft 342 drives the second rotating outer shaft 341 to rotate in the opposite direction through the coaxial reverse rotation mechanism 37. The second rotating outer shaft 341 drives the second impeller 36 to rotate. The second impeller 36 accelerates the airflow that the first impeller 33 delivers into the cylinder 31 and discharges it, so that the airflow blown out of the cylinder 31 can be blown further. S7. When the first rotating outer shaft 342 rotates, the first rotating outer shaft 342 drives the annular tube 32 to rotate through the reduction mechanism 5. The annular tube 32 drives the atomizing nozzle 322 to rotate, so that the sprayed drug is spiral and the drug is sprayed further.

[0036] It should be noted that the specific embodiments of the present invention have been described in detail. For those skilled in the art, various obvious changes made to it without departing from the spirit and scope of the present invention are within the protection scope of the present invention.

Claims

1. A pesticide spraying device for the control of forest pests and diseases, characterized in that: The system includes a walking assembly (1) and a spraying assembly (3), which are hinged together. A medicine tank (2) is installed on the walking assembly (1), which is connected to the pump body via a pipe. The pump body is connected to the spraying assembly (3) via a pipe. The spraying assembly (3) includes a cylinder (31), a first impeller (33), a second impeller (36), an inner rotating shaft (34), a first outer rotating shaft (342), a second outer rotating shaft (341), and a reduction mechanism (5). The cylinder (31) has a cavity with openings at both ends. A first fixing frame (38) is installed inside the cavity of the cylinder (31), and a through hole is provided at the center of the first fixing frame (38). A first frameless torque motor (35) is installed in the through hole of the first fixed bracket (38). The inner ring of the first frameless torque motor (35) is connected to the outer wall of the first rotating outer shaft (342). The first rotating outer shaft (342) and the second rotating outer shaft (341) are provided with axial through holes. The rotating inner shaft (34) passes through the axial through holes of the first rotating outer shaft (342) and the second rotating outer shaft (341) in sequence. The first rotating outer shaft (342) and the second rotating outer shaft (341) are rotatably connected to the rotating inner shaft (34) through bearings respectively. The first rotating outer shaft (342) is fixedly connected to the first impeller (33). The second rotating outer shaft (341) is connected to the second impeller (36). A rotating outer shaft (342) is connected to a rotating inner shaft (34) via a reduction mechanism (5); the first rotating outer shaft (342) and the second rotating outer shaft (341) are connected via a coaxial reverse rotation mechanism (37), which includes a driving bevel gear (375), a driven bevel gear (371), and a transmission bevel gear (372). The first rotating outer shaft (342) is connected to the gear hole of the driving bevel gear (375), and the second rotating outer shaft (341) is connected to the gear hole of the driven bevel gear (371). The driving bevel gear (375) and the driven bevel gear (371) mesh with the transmission bevel gear (372) respectively. The cavity of the cylinder (31) is equipped with... There is a second fixed frame (374), on which two symmetrically distributed connecting shafts (373) are mounted. The inner end of the connecting shaft (373) is rotatably connected to the gear hole of the transmission bevel gear (372). The transmission ratio between the driving bevel gear (375) and the driven bevel gear (371) is greater than 1, so that the rotation speed of the second impeller (36) is less than the rotation speed of the first impeller (33). Thus, the torque generated by the rotation of the second impeller (36) and the annular tube (32) in the same direction can offset the torque generated by the rotation of the first impeller (33). The rotating inner shaft (34) is provided with a liquid inlet chamber with one end open. The opening of the rotating inner shaft (34) is connected to the pump body through a rotary joint and a pipe.The sealed end of the rotating inner shaft (34) is provided with multiple infusion tubes (321) vertically connected. The outer end of the infusion tubes (321) is connected to the annular tube (32). The inlet chamber of the rotating inner shaft (34) is connected to the chambers of the infusion tubes (321) and the annular tube (32) in sequence. The annular tube (32) is provided with multiple atomizing nozzles (322) evenly distributed in a circular shape.

2. The pesticide spraying equipment for forestry pest and disease control according to claim 1, characterized in that: The walking assembly (1) is rotatably connected to the support frame (4) via a rotating platform (6), and the upper end of the support frame (4) is hinged to the spraying assembly (3).

3. The pesticide spraying equipment for forestry pest and disease control according to claim 2, characterized in that: The support frame (4) is connected to the spray assembly (3) via a telescopic rod. The lower end of the telescopic rod is hinged to the support frame (4), and the upper end of the telescopic rod is hinged to the spray assembly (3).

4. The pesticide spraying equipment for forestry pest and disease control according to claim 1, characterized in that: The speed reduction mechanism (5) includes a drive gear (53), a transmission gear (52), and an internal gear ring (51). The first rotating outer shaft (342) is fixedly connected to the gear hole of the drive gear (53). A plurality of rotating shafts evenly distributed in a circular pattern are installed on the first fixed frame (38). The rotating shafts are rotatably connected to the gear hole of the transmission gear (52). The drive gear (53) meshes externally with the transmission gear (52). The internal gear ring (51) is connected to the connecting frame (54). A through hole is provided at the center of the connecting frame (54). The through hole of the connecting frame (54) is connected to the rotating inner shaft (34). The internal gear ring (51) meshes internally with the transmission gear (52).

5. A pesticide spraying device for forestry pest and disease control according to claim 4, characterized in that: The transmission gear (52) is provided with multiple fan-shaped vent holes that are evenly distributed in a circular shape.

6. The pesticide spraying equipment for forestry pest and disease control according to claim 1, characterized in that: The atomizing nozzle (322) is tilted outward toward the center line of the annular tube (32).

7. A method for spraying pesticides using the pesticide spraying equipment for forestry pest and disease control as described in claim 1, characterized in that: S1. Pour the prepared medicine solution into the liquid collection tank; S2. Move this device to the location of the trees that need to be sprayed via the walking assembly (1), so that the spraying assembly (3) faces the trees that need to be sprayed; S3. Start the telescopic rod, which drives the spraying assembly (3) to rotate to a suitable spraying angle; S4. Start the pump body. The pump body sends the liquid medicine in the medicine tank (2) into the liquid inlet chamber of the rotating inner shaft (34), and then through the infusion pipe (321) and the ring pipe (32), and finally sprays it out through the atomizing nozzle (322). S5. Start the frameless motor. The frameless motor drives the first rotating outer shaft (342) to rotate. The first rotating outer shaft (342) drives the first impeller (33) to rotate. The first impeller (33) blows the sprayed medicine mist from the atomizing nozzle (322) toward the trees that need to be sprayed. S6. When the first rotating outer shaft (342) rotates, the first rotating outer shaft (342) drives the second rotating outer shaft (341) to rotate in the opposite direction through the coaxial reverse rotation mechanism (37). The second rotating outer shaft (341) drives the second impeller (36) to rotate. The second impeller (36) accelerates the airflow delivered into the cylinder (31) by the first impeller (33), so that the airflow blown out of the cylinder (31) can blow further. S7. When the first rotating outer shaft (342) rotates, the first rotating outer shaft (342) drives the annular tube (32) to rotate through the deceleration mechanism (5), and the annular tube (32) drives the atomizing nozzle (322) to rotate, so that the sprayed drug is spiral and the drug is sprayed further.

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