Unmanned aerial vehicle airborne pesticide spraying device

By simplifying the connection by using a pullable pull rod mechanism in the drone-mounted pesticide spraying device, and using multi-motor drive gear driven stirring rollers to achieve uniform mixing of the agent, the problems of cumbersome connection and uneven mixing in the prior art are solved, and the convenience and efficiency of use are improved.

CN222603534UActive Publication Date: 2025-03-14ZHUHAI SEZ SHIQI PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202421376717.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-17
Publication Date
2025-03-14
Estimated Expiration
2034-06-17

AI Technical Summary

Technical Problem

The existing drone-borne pesticide spraying device has cumbersome connection structure, which is inconvenient for installation and disassembly, and it is impossible to mix multiple agents evenly, making it inconvenient to use.

Method used

A drone-born pesticide spraying device is designed, using a pullable pull rod mechanism to simplify the connection with the drone, and the uniform mixing of the agent is achieved through a multi-motor driven gear-driven stirring roller.

Benefits of technology

It realizes the fast and convenient connection of the drone spraying device, and automatically mixes various agents evenly, improving the convenience and efficiency of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an unmanned aerial vehicle airborne pesticide spraying device in the technical field of pesticide spraying devices, which comprises a mixing bin and a connecting seat, the connecting seat is fixedly connected to the top of the mixing bin, an adding pipe is fixedly connected to the rear side of the outer side wall of the mixing bin, and a water pump is fixedly connected to the bottom of an inner cavity of the mixing bin. A liquid conveying pipe is fixedly connected to the bottom of the water pump, the bottom end of the liquid conveying pipe penetrates through the mixing bin and extends to the bottom of the mixing bin, a spraying pipe is fixedly connected to the bottom end of the liquid conveying pipe, a mounting bin is formed in the upper side of the interior of the mixing bin, and a first motor is fixedly connected to the bottom of an inner cavity of the mounting bin; the airborne pesticide spraying device of the unmanned aerial vehicle is reasonable in structural design, the spraying device and the unmanned aerial vehicle can be quickly and conveniently assembled and connected, various pesticides in the mixing bin can be automatically and uniformly mixed, and the airborne pesticide spraying device is convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of pesticide spraying devices, in particular to a pesticide spraying device carried by an unmanned aerial vehicle. Background Art

[0002] Agricultural drones have many advantages, such as low operating altitude, less drift, and the ability to hover in the air. They do not require a dedicated take-off and landing airport. The downward airflow generated by the rotor helps increase the penetration of the fog into crops, has a high prevention and control effect, and can be operated by remote control from a long distance. Spraying workers avoid the risk of exposure to pesticides, thereby improving the safety of spraying operations.

[0003] The connection structure between the existing drone-mounted pesticide spraying device and the drone is relatively complicated. Most of them are connected between the spraying device and the drone through multiple fixing bolts, which is inconvenient to install and disassemble the spraying device. In addition, the existing drone-mounted pesticide spraying device cannot evenly mix multiple agents. The staff needs to mix the multiple agents in advance and then pour them into the spraying device, which is inconvenient in practical use. For this reason, we propose a drone-mounted pesticide spraying device. Utility Model Content

[0004] The purpose of the utility model is to provide an airborne pesticide spraying device for an unmanned aerial vehicle, so as to solve the problem raised in the above background technology that the connection structure between the existing airborne pesticide spraying device for an unmanned aerial vehicle and the unmanned aerial vehicle is relatively complicated, and most of them are connected between the spraying device and the unmanned aerial vehicle by multiple fixing bolts, which is inconvenient to install and disassemble the spraying device, and the existing airborne pesticide spraying device for an unmanned aerial vehicle cannot evenly mix multiple agents, and the staff needs to mix the multiple agents in advance and then pour them into the spraying device, which is relatively inconvenient in practical use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an unmanned aerial vehicle airborne pesticide spraying device, comprising a mixing chamber and a connecting seat, the connecting seat is fixedly connected to the top of the mixing chamber, an adding pipe is fixedly connected to the rear side of the outer side wall of the mixing chamber, a water pump is fixedly connected to the bottom of the inner cavity of the mixing chamber, an infusion pipe is fixedly connected to the bottom of the water pump, the bottom end of the infusion pipe passes through the mixing chamber and extends to the bottom of the mixing chamber, and a spray pipe is fixedly connected to the bottom end of the infusion pipe, an installation chamber is opened on the upper side of the interior of the mixing chamber, a first motor is fixedly connected to the bottom of the inner cavity of the installation chamber, and the bottom end of the power output shaft of the first motor passes through the installation chamber and extends to the installation chamber The inner cavity of the mounting plate, and the bottom end of the power output shaft of the first motor is fixedly connected to the mounting plate, the bottom of the inner cavity of the mounting plate is fixedly connected to the second motor, the bottom end of the power output shaft of the second motor passes through the mounting plate and extends to the bottom of the mounting plate, and the bottom end of the power output shaft of the second motor is fixedly connected to a driving rod, an outer wall of the driving rod is rotatably connected with a gear-driven stirring roller, and the gear-driven stirring rollers are evenly distributed around the outer wall, and the gear-driven stirring rollers are arranged in sequence from top to bottom around the outer wall, the ends of the gear-driven stirring rollers around the outer wall pass through the driving rod and extend to the inner cavity of the driving rod, and the bottom of the inner cavity of the driving rod is fixedly connected to a third motor.

[0006] As a further description of the above technical solution:

[0007] The top end of the power output shaft of the third motor is fixedly connected with a mounting rod, the outer side wall of the mounting rod is fixedly connected with a driving gear, and the driving gears are arranged in sequence from top to bottom, and the driving gear is meshedly connected with the gear driven stirring roller.

[0008] As a further description of the above technical solution:

[0009] The connecting seat has installation grooves on the front and rear sides, a pressure plate is slidably connected between the top and bottom of the inner cavity of the installation grooves on the front and rear sides, and tenons are fixedly connected to the upper and lower sides of the inner side walls of the pressure plates on the front and rear sides.

[0010] As a further description of the above technical solution:

[0011] The ends of the tenons on the front and rear sides pass through the installation grooves on the front and rear sides and extend to the inner cavity of the connecting seat, and the front tenon is plugged into the rear tenon, and pull rods are plugged into the front and rear sides of the outer wall of the connecting seat.

[0012] As a further description of the above technical solution:

[0013] The ends of the pull rods on the front and rear sides pass through the connecting seat and extend to the inner cavities of the mounting grooves on the front and rear sides, and the ends of the pull rods on the front and rear sides are fixedly connected to the pressure plates on the front and rear sides.

[0014] As a further description of the above technical solution:

[0015] The outer side walls of the pull rods on the front and rear sides are sleeved with return springs, and the return springs on the front and rear sides are located in the inner cavities of the installation grooves on the front and rear sides.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The drone-mounted pesticide spraying device, when assembling and connecting the spraying device and the drone, pull the pull rods on both sides so that the pull rods on both sides drive the pressure plates on both sides to squeeze the return springs on both sides, so that the tenons installed on the pressure plates on both sides are moved to the installation grooves on both sides, and then the connecting head at the bottom of the drone is aligned with the connecting seat and inserted. After the insertion is in place, release the pull rods on both sides to reset the return springs on both sides that have been squeezed, push the pressure plates on both sides to move, and insert the tenons on both sides installed on the pressure plates on both sides into the drone connecting head, so as to connect the spraying device and the drone, thereby quickly and conveniently completing the assembly connection between the spraying device and the drone.

[0018] 2. The drone-mounted pesticide spraying device injects multiple agents into the mixing chamber through the adding tube, starts the first motor to drive the mounting plate to rotate with the first motor as the center, so that the driving rod moves around the mixing chamber, and then starts the second motor to drive the driving rod to rotate. At the same time, the third motor is started to drive the mounting rod to rotate, so that the driving gear on the mounting rod rotates and drives the gear meshing with it to rotate the driven stirring roller, so that the multiple agents in the mixing chamber are evenly mixed, so that the multiple agents in the mixing chamber can be automatically mixed evenly, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a drone-mounted pesticide spraying device proposed by the utility model;

[0020] Figure 2 This is a left-side sectional structural schematic diagram of a drone-mounted pesticide spraying device proposed by the utility model;

[0021] Figure 3 This is a front view cross-sectional structural schematic diagram of a drone-mounted pesticide spraying device proposed by the utility model;

[0022] Figure 4 The utility model provides a drone-mounted pesticide spraying device Figure 2 Enlarged structural diagram at A in the middle.

[0023] In the figure: 100, mixing chamber; 110, adding pipe; 120, water pump; 121, infusion tube; 130, spray pipe; 140, installation chamber; 150, first motor; 160, installation plate; 161, second motor; 170, driving rod; 171, gear-driven stirring roller; 180, third motor; 181, installation rod; 182, driving gear; 200, connecting seat; 210, installation groove; 220, pressure plate; 221, tenon; 230, pull rod; 231, return spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a drone-mounted pesticide spraying device, which can quickly and conveniently complete the assembly connection between the spraying device and the drone, and can automatically mix multiple pesticides in the mixing chamber evenly, which is easy to use. Figure 1-4, comprising a mixing chamber 100 and a connecting seat 200;

[0028] Please refer again Figure 1-4The mixing bin 100 is used to install the main structure. An addition pipe 110 is fixedly connected to the rear side of the outer wall of the mixing bin 100. The addition pipe 110 is used to add medicine. A water pump 120 is fixedly connected to the bottom of the inner cavity of the mixing bin 100. The water pump 120 is used to transport the medicine to the infusion pipe 121. The bottom of the water pump 120 is fixedly connected to the infusion pipe 121. The infusion pipe 121 is used to transport the medicine to the spray pipe 130. The bottom end of the infusion pipe 121 passes through the mixing bin 100 and extends to the bottom of the mixing bin 100. The bottom end of the infusion pipe 121 is fixedly connected to the spray pipe 130. The spray pipe 130 is used to spray medicine. An installation bin 140 is opened on the upper side of the interior of the mixing bin 100. The installation bin 140 is used to install the first motor 150. The installation bin 14 0 is fixedly connected to a first motor 150 at the bottom of the inner cavity, and the first motor 150 is used to drive the mounting plate 160 to rotate. The bottom end of the power output shaft of the first motor 150 penetrates the mounting chamber 140 and extends to the inner cavity of the mounting chamber 140, and the bottom end of the power output shaft of the first motor 150 is fixedly connected to the mounting plate 160, and the mounting plate 160 is used to install the second motor 161. The bottom of the inner cavity of the mounting plate 160 is fixedly connected to a second motor 161, and the second motor 161 is used to drive the driving rod 170 to rotate. The bottom end of the power output shaft of the second motor 161 penetrates the mounting plate 160 and extends to the bottom of the mounting plate 160, and the bottom end of the power output shaft of the second motor 161 is fixedly connected to the driving rod 170, and the driving rod 170 is used to install the main structure, driving The outer wall of the rod 170 is rotatably connected with a gear-driven stirring roller 171, which is used to mix and stir the medicine, and the gear-driven stirring rollers 171 are evenly distributed around the outer wall, and are arranged in sequence from top to bottom around the outer wall. The ends of the gear-driven stirring rollers 171 around the outer wall penetrate the driving rod 170 and extend to the inner cavity of the driving rod 170. The bottom of the inner cavity of the driving rod 170 is fixedly connected with a third motor 180, and the third motor 180 is used to drive the mounting rod 181. The top end of the power output shaft of the third motor 180 is fixedly connected with the mounting rod 181, and the mounting rod 181 is used to install a driving gear 182. The outer wall of the mounting rod 181 is fixedly connected with the driving gear 182. 2 is used to drive the gear driven stirring roller 171 to rotate, and the driving gear 182 is arranged in sequence from top to bottom, and the driving gear 182 is meshed and connected with the gear driven stirring roller 171. After the multiple medicines are injected into the mixing chamber 100 through the adding tube 110, the first motor 150 is started to drive the mounting plate 160 to rotate with the first motor 150 as the center, so that the driving rod 170 moves around the mixing chamber 100, and then the second motor 161 is started to drive the driving rod 170 to rotate, and at the same time, the third motor 180 is started to drive the mounting rod 181 to rotate, so that the driving gear 182 on the mounting rod 181 rotates and drives the gear driven stirring roller 171 meshed with it to rotate, so as to evenly mix the multiple medicines in the mixing chamber 100;

[0029] In summary, the various medicines in the mixing chamber 100 can be automatically and evenly mixed, which is convenient for use;

[0030] Please refer again Figure 1-3 , the connecting seat 200 is fixedly connected to the top of the mixing bin 100, and mounting grooves 210 are opened on the front and rear sides of the interior of the connecting seat 200. The mounting grooves 210 are used to install the pressure plate 220. The pressure plate 220 is slidably connected between the top and bottom of the inner cavity of the front and rear mounting grooves 210. The pressure plate 220 is used to install the tenon 221. The inner side walls of the front and rear pressure plates 220 are fixedly connected with the tenon 221 on the upper and lower sides. The tenon 221 is used to connect the spraying device to the connecting head of the drone. The ends of the front and rear tenons 221 pass through the front and rear mounting grooves 210 and extend to the inner cavity of the connecting seat 200, and the front tenon 221 is plugged with the rear tenon 221. The outer side walls of the connecting seat 200 are plugged with pull rods 230 on the front and rear sides. The pull rods 230 are used to connect the pressure plate 220. The ends of the front and rear pull rods 230 pass through the connecting seat 200 and extend to the inner cavity of the front and rear mounting grooves 210, and the front and rear pull rods The ends of the rod 230 are fixedly connected to the front and rear pressure plates 220, and the outer side walls of the front and rear pull rods 230 are sleeved with return springs 231, which are used to reset the pressure plates 220, and the front and rear return springs 231 are located in the inner cavities of the front and rear mounting grooves 210. When the spraying device is assembled and connected with the drone, the pull rods 230 on both sides are pulled to drive the pressure plates 220 on both sides to squeeze the return springs 231 on both sides, so that the tenons 221 installed on the pressure plates 220 on both sides move into the mounting grooves 210 on both sides, and then the connecting head at the bottom of the drone is aligned with the connecting seat 200 and inserted. After the insertion is in place, the pull rods 230 on both sides are released to reset the squeezed return springs 231 on both sides, and the pressure plates 220 on both sides are pushed to move so that the tenons 221 on both sides installed on the pressure plates 220 on both sides are inserted into the drone connecting head, so as to connect the spraying device with the drone.

[0031] In summary, the assembly connection between the spraying device and the drone can be completed quickly and conveniently;

[0032] During specific use, when assembling and connecting the spraying device and the drone, the technicians in this technical field pull the pull rods 230 on both sides so that the pull rods 230 on both sides drive the pressure plates 220 on both sides to squeeze the return springs 231 on both sides, so that the tenons 221 installed on the pressure plates 220 on both sides move into the installation grooves 210 on both sides, and then align the connecting head at the bottom of the drone with the connecting seat 200 and insert it. After the insertion is in place, the pull rods 230 on both sides are released to reset the return springs 231 on both sides, and the pressure plates 220 on both sides are pushed to move so that the tenons 221 on both sides installed on the pressure plates 220 on both sides are inserted into the drone connecting head, so as to connect the spraying device and the drone, and add a variety of drugs through the adding tube 110. After being injected into the mixing bin 100, the first motor 150 is started to drive the mounting plate 160 to rotate with the first motor 150 as the center, so that the driving rod 170 moves around the mixing bin 100, and then the second motor 161 is started to drive the driving rod 170 to rotate, and at the same time, the third motor 180 is started to drive the mounting rod 181 to rotate, so that the driving gear 182 on the mounting rod 181 rotates and drives the gear meshing with it to drive the stirring roller 171 to rotate, so that the various medicines in the mixing bin 100 are evenly mixed. After the mixing is completed, the water pump 120 is started to transport the medicine to the infusion pipe 121, and then the infusion pipe 121 transports the medicine to the spray pipe 130 to spray the crops.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A drone-mounted pesticide spraying device, characterized in that: The invention comprises a mixing chamber (100) and a connecting seat (200), wherein the connecting seat (200) is fixedly connected to the top of the mixing chamber (100), an adding pipe (110) is fixedly connected to the rear side of the outer wall of the mixing chamber (100), a water pump (120) is fixedly connected to the bottom of the inner cavity of the mixing chamber (100), and an infusion pipe (121) is fixedly connected to the bottom of the water pump (120), and the bottom end of the infusion pipe (121) passes through the mixing chamber (100). 0) and extends to the bottom of the mixing chamber (100), and the bottom end of the infusion tube (121) is fixedly connected to a spray pipe (130), an installation chamber (140) is opened on the upper side of the interior of the mixing chamber (100), a first motor (150) is fixedly connected to the bottom of the inner cavity of the installation chamber (140), the bottom end of the power output shaft of the first motor (150) passes through the installation chamber (140) and extends to the inner cavity of the installation chamber (140), and the first motor (150) is fixedly connected to the bottom of the inner cavity of the installation chamber (140). The bottom end of the power output shaft of a motor (150) is fixedly connected to a mounting plate (160), the bottom of the inner cavity of the mounting plate (160) is fixedly connected to a second motor (161), the bottom end of the power output shaft of the second motor (161) passes through the mounting plate (160) and extends to the bottom of the mounting plate (160), and the bottom end of the power output shaft of the second motor (161) is fixedly connected to a driving rod (170), an outer wall of the driving rod (170) is rotatably connected to a gear driven stirring roller (171), and the gear driven stirring rollers (171) are evenly distributed around the outer wall, and the gear driven stirring rollers (171) are arranged in sequence from top to bottom around the outer wall, and the ends of the gear driven stirring rollers (171) around the outer wall pass through the driving rod (170) and extend to the inner cavity of the driving rod (170), and the bottom of the inner cavity of the driving rod (170) is fixedly connected to a third motor (180).

2. The pesticide spraying device mounted on a drone according to claim 1, characterized in that: The top end of the power output shaft of the third motor (180) is fixedly connected to a mounting rod (181), the outer side wall of the mounting rod (181) is fixedly connected to a driving gear (182), and the driving gears (182) are arranged in sequence from top to bottom, and the driving gear (182) is meshedly connected with the gear-driven stirring roller (171).

3. The pesticide spraying device mounted on a drone according to claim 1, characterized in that: The connection seat (200) is provided with mounting grooves (210) on both the front and rear sides, a pressing plate (220) is slidably connected between the top and bottom of the inner cavity of the mounting grooves (210) on the front and rear sides, and a tenon (221) is fixedly connected to the upper and lower sides of the inner side walls of the pressing plates (220) on the front and rear sides.

4. The pesticide spraying device mounted on a drone according to claim 3, characterized in that: The ends of the tenons (221) on the front and rear sides pass through the installation grooves (210) on the front and rear sides and extend to the inner cavity of the connecting seat (200), and the front tenon (221) is plugged into the rear tenon (221), and pull rods (230) are plugged into the front and rear sides of the outer wall of the connecting seat (200).

5. The pesticide spraying device mounted on a drone according to claim 4, characterized in that: The ends of the pull rods (230) on the front and rear sides pass through the connecting seat (200) and extend to the inner cavity of the installation grooves (210) on the front and rear sides, and the ends of the pull rods (230) on the front and rear sides are fixedly connected to the pressure plates (220) on the front and rear sides.

6. The pesticide spraying device mounted on a drone according to claim 5, characterized in that: The outer side walls of the pull rods (230) on the front and rear sides are sleeved with return springs (231), and the return springs (231) on the front and rear sides are located in the inner cavities of the installation grooves (210) on the front and rear sides.