Pesticide spraying device for agricultural unmanned aerial vehicle
By designing an agricultural drone spraying device with gears and racks, the problem of large space occupancy in existing devices during take-off and landing is solved, and the rapid take-off and efficient spraying of drones is achieved.
Patent Information
- Application Number
- CN202421791838.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-27
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-27
AI Technical Summary
The existing agricultural drone spraying devices occupy a large amount of space during take-off and landing, limiting the take-off and landing area and spraying efficiency of the drone.
A spraying device including a main frame, gear, rack and electric cylinder is designed. Through the cooperation of gear and rack, the fixing rod and nozzle can be folded up during the take-off and landing of the drone, reducing space occupation, and quickly unfolding during operation to expand the spray range.
It realizes rapid take-off and landing during take-off and landing and efficient spraying during operation, improving the operation flexibility and operation efficiency of the drone.
Smart Images

Figure CN222786826U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of unmanned aerial vehicles, and more specifically, particularly relates to a pesticide spraying device for agricultural unmanned aerial vehicles. Background Art
[0002] During the agricultural planting process, crops need to be sprayed with pesticides. Currently, in order to spray pesticides efficiently and evenly, agricultural plant protection drones are often used to carry pesticides and spray them in the air.
[0003] In the existing technology, when spraying a large area of agricultural planting land, a longer spray rod is usually installed at the bottom of the drone to increase the spraying range and spraying efficiency. However, the existing spray rod is usually fixed at the bottom of the drone. When the drone takes off and lands, it needs to be in a wider area to take off and land safely. The take-off and landing area has high requirements and has certain limitations when used. Therefore, in view of this, the existing structure and defects are studied and improved, and a pesticide spraying device for agricultural drones is provided, in order to achieve a more practical purpose. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a pesticide spraying device for agricultural drones, which is achieved by the following specific technical means:
[0005] A pesticide spraying device for an agricultural unmanned aerial vehicle comprises a spraying device installed on the bottom side of the unmanned aerial vehicle, the spraying device comprises a main frame fixed on the bottom side of the unmanned aerial vehicle, installation steps are arranged on both the left and right sides of the bottom end of the main frame, and through grooves are arranged on the top sides of the installation steps, racks are slidably installed inside the through grooves, the racks are vertically arranged, and the bottom ends are commonly connected to a movable plate, the movable plate is arranged on the bottom side of the main frame, an electric cylinder is fixedly installed on the top of the movable plate, and the top end of the electric cylinder is fixedly connected to the bottom end of the main frame; fixed rods are rotatably installed on both the left and right sides of the main frame, and gears are fixedly installed on one end of the fixed rods, and the gears are respectively meshed with the racks; nozzles are installed on the bottom sides of the fixed rods, and a plurality of groups of nozzles are equidistantly installed on the bottom sides of the nozzles.
[0006] Furthermore, a fixing frame is fixedly installed on the top side of the installation step, a rotating shaft is fixedly installed on one end of the fixing rod, and both ends of the rotating shaft are rotatably connected to the fixing frame, and the gear is fixedly installed on the outside of the rotating shaft.
[0007] Furthermore, two groups of mounting holes are symmetrically arranged on the top side of the main frame, and fixing bolts for fixing connection with the bottom side of the drone are installed in the mounting holes.
[0008] Furthermore, a pump is fixedly installed inside the main frame, and the output end of the pump is connected to the nozzle through a tee.
[0009] Furthermore, the input end of the pump is connected to a water inlet pipe, and the other end of the water inlet pipe passes through the main frame.
[0010] Furthermore, the nozzle is a PVC hose.
[0011] Furthermore, a plurality of clamps for fixing the nozzles are fixedly mounted on the outer side of the fixing rod.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] The utility model can quickly drive the fixing rod through the cooperation of the gear and rack installed on the side of the main frame with the electric cylinder, so that when the UAV takes off and lands, the fixing rod can be folded upward to drive the nozzle to fold up, thereby reducing the space occupied by the fixing rod and the nozzle, which is beneficial to the rapid take-off and landing of the UAV. At the same time, during operation, the fixing rod and the nozzle can be quickly unfolded to expand the spraying range of the UAV and improve the operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the installation of the spraying device of the utility model.
[0015] Figure 2 This is a schematic diagram of the structure of the spraying device of the utility model Figure 1 .
[0016] Figure 3 This is a schematic diagram of the structure of the spraying device of the utility model Figure 2 .
[0017] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0018] 1. UAV; 2. Spraying device; 201. Main frame; 202. Moving plate; 203. Electric cylinder; 204. Rack; 205. Gear; 206. Fixed rod; 207. Nozzle; 208. Nozzle; 209. Pump; 2010. Water inlet pipe; 2011. Fixing bolt; 2012. Fixed frame. DETAILED DESCRIPTION
[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example
[0022] As attached Figure 1 To Attachment Figure 3 As shown:
[0023] The utility model provides a pesticide spraying device for an agricultural unmanned aerial vehicle, comprising a spraying device 2 installed on the bottom side of an unmanned aerial vehicle 1, the spraying device 2 comprising a main frame 201 fixed on the bottom side of the unmanned aerial vehicle 1, the bottom end of the main frame 201 is provided with mounting steps on both sides, and the top sides of the mounting steps are provided with through grooves, the through grooves are slidably provided with racks 204, the racks 204 are vertically arranged, and the bottom ends are commonly connected with a moving plate 202, the moving plate 202 is arranged on the main frame 201, and the moving plate 202 is arranged on the main frame 201. On the bottom side of the frame 201, an electric cylinder 203 is fixedly installed on the top of the movable plate 202, and the top of the electric cylinder 203 is fixedly connected to the bottom end of the main frame 201; fixed rods 206 are rotatably installed on the left and right sides of the main frame 201, and gears 205 are fixedly installed on one end of the fixed rods 206, and the gears 205 are respectively engaged with the racks 204; nozzles 207 are installed on the bottom sides of the fixed rods 206, and multiple groups of nozzles 208 are equidistantly installed on the bottom sides of the nozzles 207.
[0024] Among them, the top side of the installation step is fixedly installed with a fixing frame 2012, one end of the fixing rod 206 is fixedly installed with a rotating shaft, and both ends of the rotating shaft are rotatably connected to the fixing frame 2012, and the gear 205 is fixedly installed on the outside of the rotating shaft.
[0025] Among them, two groups of mounting holes are symmetrically arranged on the top side of the main frame 201, and fixing bolts 2011 for fixing connection with the bottom side of the drone 1 are installed in each of the mounting holes to facilitate installation and disassembly with the drone 1.
[0026] A pump 209 is fixedly installed inside the main frame 201 , and an output end of the pump 209 is connected to the nozzle 207 via a tee.
[0027] The input end of the pump 209 is connected to a water inlet pipe 2010 , and the other end of the water inlet pipe 2010 passes through the main frame 201 .
[0028] The nozzle 207 is a PVC hose, so that when the fixing rod 206 is folded up, the nozzle 207 can be adjusted adaptively and is not easy to break.
[0029] A plurality of clamps for fixing the nozzle 207 are fixedly mounted on the outer side of the fixing rod 206 to facilitate the installation and removal of the nozzle 207 .
[0030] The working principle of this embodiment is as follows: when in use, the spraying device 2 is first fixedly installed on the bottom side of the drone 1, and then the electric cylinder 203 in the spraying device 2 is connected to the control unit and the power supply unit of the drone 1 by means of a wiring harness, and the water inlet pipe 2010 is externally connected to the drug storage cartridge of the drone 1 by means of a pipe, after which the drone 1 can be controlled to perform flight operations by means of a wireless remote controller matched with the drone 1; when the drone 1 flies over the operation site, the wireless remote controller can be used to start the electric cylinder 203 to push the moving plate 202 downward, and during the downward movement of the moving plate 202, the rack 204 drives the gear 205 to rotate, so as to drive the fixing rod 206 to rotate to a horizontal state, after which the spraying operation can begin.
[0031] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A pesticide spraying device for an agricultural drone, comprising a spraying device (2) mounted on the bottom side of a drone (1), the spraying device (2) comprising a main frame (201) fixed on the bottom side of the drone (1), characterized in that: The bottom end of the main frame (201) is provided with mounting steps on both sides, and the top sides of the mounting steps are provided with through grooves, and racks (204) are slidably mounted inside the through grooves, and the racks (204) are vertically arranged, and the bottom ends are commonly connected to a movable plate (202), and the movable plate (202) is arranged on the bottom side of the main frame (201), and an electric cylinder (203) is fixedly mounted on the top end of the movable plate (202), and the top end of the electric cylinder (203) is fixedly connected to the bottom end of the main frame (201); fixed rods (206) are rotatably mounted on both sides of the main frame (201), and one end of the fixed rods (206) is fixedly mounted with gears (205), and the gears (205) are respectively meshed with the racks (204); nozzles (207) are mounted on the bottom sides of the fixed rods (206), and a plurality of groups of nozzles (208) are equidistantly mounted on the bottom sides of the nozzles (207).
2. The pesticide spraying device for agricultural drone as claimed in claim 1, characterized in that: A fixing frame (2012) is fixedly mounted on the top side of the installation step, a rotating shaft is fixedly mounted on one end of the fixing rod (206), and both ends of the rotating shaft are rotatably connected to the fixing frame (2012), and the gear (205) is fixedly mounted on the outside of the rotating shaft.
3. The pesticide spraying device for agricultural drone as claimed in claim 1, characterized in that: Two groups of mounting holes are symmetrically arranged on the top side of the main frame (201), and fixing bolts (211) are installed in each of the mounting holes for fixed connection with the bottom side of the drone (1).
4. The pesticide spraying device for agricultural drone as claimed in claim 1, characterized in that: A pump (209) is fixedly installed inside the main frame (201), and an output end of the pump (209) is connected to the nozzle (207) via a tee.
5. The pesticide spraying device for agricultural drone as claimed in claim 4, characterized in that: The input end of the pump (209) is connected to a water inlet pipe (2010), and the other end of the water inlet pipe (2010) passes through the main frame (201).
6. The pesticide spraying device for agricultural drone as claimed in claim 1, characterized in that: The spray pipe (207) is a PVC hose.
7. The pesticide spraying device for agricultural drone as claimed in claim 1, characterized in that: A plurality of groups of clamps for fixing the nozzle (207) are fixedly mounted on the outer side of the fixing rod (206).