Agricultural plant protection unmanned aerial vehicle spraying mechanism

Abstract

The utility model relates to the technical field of plant protection unmanned aerial vehicle accessories, and particularly discloses an agricultural plant protection unmanned aerial vehicle spraying mechanism which comprises a liquid storage tank and an installation plate arranged at the upper end of the liquid storage tank, the installation plate is installed at the bottom of an external unmanned aerial vehicle, and a plurality of separation pieces are installed on the lower surface of the installation plate and correspond to the interior of the liquid storage tank. The outer ring faces of all the partition pieces are jointly and slidably sleeved with a smoothing plate with the hollow interior. The pesticide liquid shaking distance is shortened under the action of the partition pieces, then the pesticide liquid shaking amplitude is effectively reduced, namely the phenomenon that the flight attitude of the unmanned aerial vehicle is interfered when the pesticide liquid shakes is reduced, meanwhile, the pesticide liquid shaking kinetic energy is consumed through the smoothing plate, the pesticide liquid shaking amplitude is further reduced, and through the arrangement of the collecting cover, the pesticide liquid can be collected conveniently. The liquid medicine in the liquid storage box can be fully pumped out, and the phenomenon that a large amount of liquid medicine is left at the bottom of a flat-bottom medicine storage box in a traditional scheme is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plant protection UAV accessories, in particular to a spraying mechanism of an agricultural plant protection UAV. Background Art

[0002] Plant protection UAVs are often used for spraying and fertilizing crops, and the existing Chinese patent with application number: 201922347612.9 discloses a spraying mechanism of a plant protection UAV, including a fuselage, a plurality of arms are arranged on the fuselage, propellers are arranged on the arms, two frames are arranged at the lower end of the fuselage, a support rod is connected between the two frames, a medicine storage box is arranged on the support rod, a medicine pump is arranged at the lower end of the support rod, and the medicine pump is connected to the medicine storage box through a hose, and two electric telescopic rods are symmetrically arranged at the lower end of the support rod, and a horizontally arranged connecting rod is connected to the end of each electric telescopic rod, a liquid outlet pipe and a mounting head are arranged between the two connecting rods, and the liquid outlet pipe and the mounting head are connected to each other, and a rotating tube is arranged through the mounting head from top to bottom, and the rotating tube is connected to the upper part of the mounting head through a bearing, and a bearing end cover is also installed on the upper end of the bearing, and the lower end of the rotating tube is connected to two spray pipes through a three-way joint, and a plurality of atomizing nozzles are arranged on the spray pipe, and the atomizing nozzles on the two spray pipes are tilted in different directions.

[0003] When the above technology is in use, although the effect of adjusting the height of the spray pipe is achieved by setting a telescopic rod, since the medicine storage box in the technology is not provided with corresponding components for separating the liquid, the liquid in the liquid storage tank shakes too much during the flight of the drone, which can easily interfere with the flight of the drone, thereby reducing the flight stability of the drone. Therefore, in order to solve the above technical problems, we propose a spraying mechanism for an agricultural plant protection drone. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an agricultural plant protection drone spraying mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A spraying mechanism of an agricultural plant protection UAV comprises a liquid storage tank and a mounting plate arranged at the upper end of the liquid storage tank, the mounting plate is mounted on the bottom of an external UAV, a plurality of partition plates are mounted on the lower surface of the mounting plate corresponding to the interior of the liquid storage tank, the outer annular surfaces of the partition plates are slidably sleeved with an internal hollow smoothing plate, the outer annular surface of the smoothing plate is in contact with the inner wall of the liquid storage tank, a collecting hood is mounted on the lower end surface of the liquid storage tank, one end of the lower surface of the collecting hood protrudes downward and is connected to a liquid outlet pipe, an electric valve is mounted on the pipe body of the liquid outlet pipe and a pump is connected to the end of the pipe body away from the collecting hood, the output end of the pump is connected to a plurality of nozzles through a connecting pipe, a liquid injection pipe is mounted on one end of the collecting hood, and a matching height adjustment component is arranged on one side of the liquid storage tank corresponding to the nozzle.

[0007] Preferably, the height adjustment assembly includes a telescopic cylinder and a linkage plate, the telescopic cylinder is installed on one side of the liquid storage tank with the output end in a vertical downward state, the linkage plate is installed at the output end of the telescopic cylinder, and a plurality of nozzles are installed on the lower surface of the linkage plate.

[0008] Preferably, a guide seat is fixed to a side of the liquid storage tank away from the telescopic cylinder, a guide rod is slidably inserted inside the guide seat, and the lower end of the guide rod is fixed to the upper surface of the linkage plate.

[0009] Preferably, the upper end of the liquid injection tube extends to the upper end of the liquid storage tank and is in an outwardly expanded state, and a sealing cover is provided at the upper end of the liquid injection tube.

[0010] Preferably, the sealing cover is connected to the liquid injection tube via a lock, and the body of the liquid injection tube is transparent.

[0011] Preferably, a plurality of threaded holes are provided on the plate body of the smoothing plate, and a counterweight rod is installed on the smoothing plate through the threaded holes.

[0012] Preferably, a pressure relief groove is provided in the plate body of the mounting plate corresponding to the liquid storage tank, and a dust filter plug is provided inside the pressure relief groove.

[0013] The utility model proposes an agricultural plant protection drone spraying mechanism, which has the following beneficial effects:

[0014] 1: In the utility model, since the internal space of the liquid storage tank is divided by a plurality of partitions, the shaking distance of the medicine liquid is shortened under the action of the partitions, thereby effectively reducing the shaking amplitude of the medicine liquid, that is, reducing the phenomenon that the medicine liquid causes interference to the flight posture of the drone when it shakes. At the same time, since the caressing plate floats on the surface of the medicine liquid, when the medicine liquid shakes, the medicine liquid needs to push the caressing plate to move up and down, thereby wasting the kinetic energy of the medicine liquid shaking, that is, the shaking amplitude of the medicine liquid is further reduced under the action of the caressing plate, and through the setting of the collecting cover, the medicine liquid inside the liquid storage tank can be fully extracted, that is, avoiding the phenomenon that a large amount of medicine liquid remains at the bottom of the flat-bottomed medicine storage box in the traditional solution.

[0015] 2: The setting of the height adjustment component in the utility model makes it easy to control the height of the nozzle through the telescopic cylinder during use, so as to avoid the nozzle from interfering with the take-off and landing of the UAV. The setting of the guide rod improves the stability of the linkage plate; the transparent tube body of the liquid injection tube makes it easy for personnel to judge the height of the liquid inside the liquid storage tank; the setting of the counterweight rod makes it easy for personnel to adjust the weight of the smoothing plate, so as to control the smoothing effect of the smoothing plate on the liquid; a dust filter plug is provided inside the pressure relief groove, and the setting of the pressure relief groove makes it easy to adjust the air pressure inside the liquid storage tank during the up and down floating of the smoothing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a one-view schematic diagram of a spraying mechanism of an agricultural plant protection UAV proposed in the utility model;

[0017] Figure 2 This is a schematic diagram from another perspective of a spraying mechanism of an agricultural plant protection UAV proposed in the utility model;

[0018] Figure 3 This is a structural schematic diagram of a spraying mechanism of an agricultural plant protection UAV proposed in the utility model;

[0019] Figure 4 This is a schematic diagram of the coordination between the injection pipe and the collection cover of the spraying mechanism of an agricultural plant protection UAV proposed in the utility model;

[0020] Figure 5 This is a schematic diagram of the cooperation between the separator and the smoothing plate of the spraying mechanism of an agricultural plant protection UAV proposed in the utility model;

[0021] Figure 6 This is a schematic diagram of the coordination between the comforting plate and the mounting plate of the spraying mechanism of an agricultural plant protection UAV proposed in the utility model.

[0022] In the figure: 1. liquid storage tank; 2. mounting plate; 3. partition plate; 4. smoothing plate; 5. collecting cover; 6. liquid outlet pipe; 7. pump; 8. connecting pipe; 9. nozzle; 10. liquid injection pipe; 11. telescopic cylinder; 12. linkage plate; 13. guide rod; 14. sealing cover; 15. counterweight rod; 16. pressure relief groove; 17. dust filter plug. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] Reference Figure 1-6A spraying mechanism of an agricultural plant protection UAV comprises a liquid storage tank 1 and a mounting plate 2 arranged at the upper end of the liquid storage tank 1, the mounting plate 2 is mounted on the bottom of the external UAV, a plurality of partition plates 3 are mounted on the lower surface of the mounting plate 2 corresponding to the interior of the liquid storage tank 1, the outer annular surfaces of each partition plate 3 are slidably sleeved with an internal hollow caressing plate 4, the outer annular surface of the caressing plate 4 is in contact with the inner wall of the liquid storage tank 1, a collecting cover 5 is mounted on the lower end surface of the liquid storage tank 1, one end of the lower surface of the collecting cover 5 protrudes downward and is connected to a liquid outlet pipe 6, an electric valve is mounted on the pipe body of the liquid outlet pipe 6 and a pump 7 is connected to the end of the pipe body away from the collecting cover 5, the output end of the pump 7 is connected to a plurality of nozzles 9 through a connecting pipe 8, a liquid injection pipe 10 is mounted on one end of the collecting cover 5, and a matching height adjustment component is provided on one side of the liquid storage tank 1 corresponding to the nozzle 9.

[0026] Example 2

[0027] Reference Figure 1-6 , when other parts are the same as those in Example 1, the difference between this embodiment and Example 1 is that:

[0028] The height adjustment component includes a telescopic cylinder 11 and a linkage plate 12. The telescopic cylinder 11 is installed on one side of the liquid storage tank 1 and the output end is in a vertical downward state. The linkage plate 12 is installed at the output end of the telescopic cylinder 11. A plurality of nozzles 9 are installed on the lower surface of the linkage plate 12. A guide seat is fixed on the side of the liquid storage tank 1 away from the telescopic cylinder 11. A guide rod 13 is slidably inserted inside the guide seat. The lower end of the guide rod 13 is fixed to the upper surface of the linkage plate 12. The setting of the height adjustment component makes it convenient to control the height of the nozzle 9 through the telescopic cylinder 11 during use, thereby avoiding interference of the nozzle 9 with the take-off and landing of the drone. The setting of the guide rod 13 improves the stability of the linkage plate 12.

[0029] The upper end of the injection tube 10 extends to the upper end of the liquid storage tank 1 and is in an outward expansion state. The upper end of the injection tube 10 is provided with a sealing cover 14. The setting of the injection tube 10 is convenient for injecting liquid medicine into the liquid storage tank 1; the sealing cover 14 and the injection tube 10 are connected by a lock, and the tube body of the injection tube 10 is transparent, and the transparent tube body is convenient for personnel to judge the height of the liquid medicine inside the liquid storage tank 1; a plurality of threaded holes are provided on the plate body of the smoothing plate 4, and a counterweight rod 15 is installed on the smoothing plate 4 through the threaded holes. The setting of the counterweight rod 15 makes it convenient for personnel to adjust the weight of the smoothing plate 4, thereby facilitating the control of the smoothing effect of the smoothing plate 4 on the liquid medicine; a pressure relief groove 16 is provided in the plate body of the mounting plate 2 corresponding to the liquid storage tank 1, and a dust filter plug 17 is provided inside the pressure relief groove 16. The setting of the pressure relief groove 16 is convenient for adjusting the internal air pressure of the liquid storage tank 1 during the floating of the smoothing plate 4.

[0030] Principle and advantages of use: During the use of the utility model, the liquid storage tank 1 and the mounting plate 2 are installed by bolts, so that it is convenient to maintain the inside of the liquid storage tank 1 during subsequent use, and the mounting plate 2 is installed at the bottom of the external drone, and the pump 7 and the electric valve in this scheme are connected to the external drone, that is, the external medicine enters the inside of the collection cover 5 through the injection pipe 10, and then the medicine enters the bottom of the liquid storage tank 1. At this time, the continuously pouring medicine pushes the smoothing plate 4 until the smoothing plate 4 moves to the lower surface of the mounting plate 2, and the filling of the medicine is completed at this time; and then when the drone takes off and flies subsequently with this scheme, the drone applies kinetic energy to the liquid inside the liquid storage tank 1 during movement, so that the medicine shakes inside the liquid storage tank 1, but because the internal space of the liquid storage tank 1 is divided by a number of partitions 3, the shaking distance of the medicine is shortened under the action of the partitions 3, thereby effectively reducing the shaking amplitude of the medicine, that is, reducing the phenomenon that the shaking of the medicine causes interference to the flight posture of the drone.

[0031] At the same time, in the above process, since the caressing plate 4 is slidably sleeved on the plate body of the dividing sheet 3, and the caressing plate 4 floats on the surface of the liquid medicine, when the liquid medicine shakes, the liquid medicine needs to push the caressing plate 4 to move up and down, thereby losing kinetic energy, that is, the shaking amplitude of the liquid medicine is further reduced under the action of the caressing plate 4, and the liquid medicine inside the liquid storage tank 1 can be fully extracted by setting the collecting cover 5, that is, the phenomenon of more residual liquid medicine at the bottom of the flat-bottomed medicine storage tank in the traditional solution is avoided; in summary, during the use of this solution, since the internal space of the liquid storage tank 1 is divided by a plurality of dividing sheets 3, The partition plate 3 shortens the shaking distance of the medicine liquid, thereby effectively reducing the shaking amplitude of the medicine liquid, that is, reducing the phenomenon that the shaking of the medicine liquid interferes with the flight posture of the drone. At the same time, since the caressing plate 4 floats on the surface of the medicine liquid, when the medicine liquid shakes, the medicine liquid needs to push the caressing plate 4 to move up and down, thereby wasting the kinetic energy of the medicine liquid shaking, that is, under the action of the caressing plate 4, the shaking amplitude of the medicine liquid is further reduced. Moreover, through the setting of the collecting cover 5, the medicine liquid inside the liquid storage tank 1 can be fully extracted, that is, avoiding the phenomenon that a large amount of medicine liquid remains at the bottom of the flat-bottomed medicine storage tank in the traditional solution.

[0032] It should be further explained that the setting of the height adjustment component makes it convenient to control the height of the nozzle 9 through the telescopic cylinder 11 during use, so as to avoid the nozzle 9 from interfering with the take-off and landing of the drone. The setting of the guide rod 13 improves the stability of the linkage plate 12; the transparent tube body of the liquid injection tube 10 makes it convenient for personnel to judge the height of the liquid inside the liquid storage tank 1; the setting of the counterweight rod 15 makes it convenient for personnel to adjust the weight of the smoothing plate 4, so as to control the smoothing effect of the smoothing plate 4 on the liquid; a dust filter plug 17 is provided inside the pressure relief groove 16, and the setting of the pressure relief groove 16 makes it convenient to adjust the internal air pressure of the liquid storage tank 1 during the up and down floating of the smoothing plate 4.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spraying mechanism for an agricultural plant protection drone, comprising a liquid storage tank (1) and a mounting plate (2) arranged at the upper end of the liquid storage tank (1), wherein the mounting plate (2) is mounted on the bottom of an external drone, characterized in that: A plurality of partition plates (3) are installed on the lower surface of the mounting plate (2) corresponding to the interior of the liquid storage tank (1); the outer annular surfaces of the partition plates (3) are slidably sleeved with an internally hollow smoothing plate (4); the outer annular surface of the smoothing plate (4) is in contact with the inner wall of the liquid storage tank (1); a collecting hood (5) is installed on the lower end surface of the liquid storage tank (1); one end of the lower surface of the collecting hood (5) is protruding downward and is connected to a liquid outlet pipe (6); an electric valve is installed on the body of the liquid outlet pipe (6); and a pump (7) is connected to the end of the body away from the collecting hood (5); the output end of the pump (7) is connected to a plurality of nozzles (9) via a connecting pipe (8); a liquid injection pipe (10) is installed on one end of the collecting hood (5); and a height adjustment component is provided on one side of the liquid storage tank (1) corresponding to the nozzle (9).

2. The agricultural plant protection drone spraying mechanism according to claim 1, characterized in that: The height adjustment assembly comprises a telescopic cylinder (11) and a linkage plate (12); the telescopic cylinder (11) is mounted on one side of the liquid storage tank (1) with its output end in a vertically downward position; the linkage plate (12) is mounted on the output end of the telescopic cylinder (11); and a plurality of nozzles (9) are mounted on the lower surface of the linkage plate (12).

3. The agricultural plant protection drone spraying mechanism according to claim 2, characterized in that: A guide seat is fixed on the side of the liquid storage box (1) away from the telescopic cylinder (11), a guide rod (13) is slidably inserted inside the guide seat, and the lower end of the guide rod (13) is fixed on the upper surface of the linkage plate (12).

4. The agricultural plant protection drone spraying mechanism according to claim 1, characterized in that: The upper end of the liquid injection pipe (10) extends to the upper end of the liquid storage tank (1) and is in an outwardly expanded state. A sealing cover (14) is provided at the upper end of the liquid injection pipe (10).

5. The agricultural plant protection drone spraying mechanism according to claim 4, characterized in that: The sealing cover (14) is connected to the liquid injection tube (10) via a lock, and the body of the liquid injection tube (10) is in a transparent state.

6. The agricultural plant protection drone spraying mechanism according to claim 1, characterized in that: The plate body of the smoothing plate (4) is provided with a plurality of threaded holes, and a counterweight rod (15) is installed on the smoothing plate (4) through the threaded holes.

7. The agricultural plant protection drone spraying mechanism according to claim 1, characterized in that: A pressure relief groove (16) is provided in the plate body of the mounting plate (2) corresponding to the liquid storage tank (1), and a dust filter plug (17) is provided inside the pressure relief groove (16).

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