A fertilizing spraying unmanned aerial vehicle

Abstract

The utility model relates to a kind of unmanned aerial vehicle of fertilization spraying, belong to unmanned aerial vehicle fertilization technical field. Mainly including unmanned aerial vehicle, U-shaped socket, liquid medicine bucket, stirring device, elastic limit pin, liquid medicine pump, liquid supply pipe, spray head;U-shaped socket is installed in unmanned aerial vehicle fuselage bottom, stirring device is installed in liquid medicine bucket, and the top of liquid medicine bucket is equipped with the clamping flange matched with U-shaped socket;Liquid medicine bucket is pushed into U-shaped socket from the opening side of U-shaped socket by clamping flange, and the bottom of unmanned aerial vehicle fuselage in the opening side of U-shaped socket is equipped with the elastic limit pin preventing clamping flange from sliding out;The inlet section and charging port of one side of liquid medicine bucket are extended, can be added chemical fertilizer liquid without disassembling liquid medicine bucket;Liquid medicine bucket is installed and fixed by U-shaped socket, clamping flange and elastic limit pin, and it is convenient, fast to disassemble and assemble, connection is stable and reliable, effectively improve work efficiency;Equipped with stirring device, chemical fertilizer liquid can be stirred, prevent chemical fertilizer from depositing, guarantee the uniformity of chemical fertilizer liquid.

Description

Technical Field

[0001] This utility model belongs to the field of drone fertilization technology, specifically relating to a fertilizer spraying drone. Background Technology

[0002] With the migration of rural labor and the aging population, fewer young people are engaged in agriculture, making moderately scaled operations an inevitable trend. Drone fertilization is characterized by high efficiency and precision, and using drones for fertilization can shorten fertilization time and reduce damage to seedlings caused by trampling.

[0003] After a drone completes a fertilization flight, the solution inside the fertilizer tank needs to be replaced. However, the installation and disassembly of the fertilizer tank is quite troublesome, which greatly reduces work efficiency. In addition, watering and pesticide preparation are mainly done manually, which can easily lead to uneven mixing and sedimentation. Summary of the Invention

[0004] In order to overcome the problems of the cumbersome installation and disassembly of fertilizer spraying tanks in the prior art, which greatly reduces work efficiency, and the fact that water injection and pesticide preparation are mainly done manually, which easily leads to uneven mixing and sedimentation, this utility model provides a fertilizer spraying drone.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A fertilizer spraying drone mainly includes a drone 1, a U-shaped bayonet 2, a liquid tank 3, a stirring device 4, an elastic limiting pin 5, a liquid pump 6, a liquid supply pipe 7, and a nozzle 8. The U-shaped bayonet 2 is installed at the bottom of the drone 1, and the stirring device 4 is installed inside the liquid tank 3. The top of the liquid tank 3 is provided with a snap-fit ​​flange 31 that matches the U-shaped bayonet 2. The liquid tank 3 is pushed into the U-shaped bayonet 2 from the opening side through the snap-fit ​​flange 31. On the bottom of the drone 1 on the opening side, there is an elastic limiting pin 5 to prevent the jamming flange 31 from slipping out. The liquid pump 6 is installed on the top of the drone 1. The liquid pump 6 is connected to the bottom of the liquid tank 3 through a hose. The liquid supply pipe 7 is installed on the cantilever of the drone 1. The nozzle 8 is installed at the end of the liquid supply pipe 7. The front end of the liquid supply pipe 7 is connected to the liquid pump 6. The liquid tank 3 has an extended feeding section 32 on one side. The feeding section 32 has a feeding port 33. The feeding port 33 has a threaded cover. The cover has an air hole to balance the internal and external pressure difference.

[0006] Furthermore, the bottom of the medicine tank 3 is equipped with casters 34 for easy movement.

[0007] Furthermore, the caster wheel 34 is installed at the bottom of the medicine tank 3 via a lifting device. The lifting device includes a telescopic frame 11, a support platform 12, a crossbeam 13, a double-threaded screw 14, a connecting rod 15, and a guide rod 16. The double-threaded screw 14 is a screw with a left-hand thread at one end and a right-hand thread at the other end. The two crossbeams 13 are threadedly connected to the left-hand thread section and the right-hand thread section of the double-threaded screw 14, respectively. One end of the guide rod 16 is fixed on one of the crossbeams 13, and the other crossbeam 13 is slidably installed on the guide rod 16. The telescopic frame 11 and the support platform 12 are located below and above the two crossbeams 13, respectively. The left side of the telescopic frame 11 and the support platform 12 is hinged to the left crossbeam 13 via the connecting rod 15, and the right side of the telescopic frame 11 and the support platform 12 is hinged to the right crossbeam 13 via the connecting rod 15. The caster wheel 34 is installed at the bottom of the telescopic frame 11, and the support platform 12 is installed at the bottom of the medicine tank 3.

[0008] Furthermore, the top of the medicine tank 3 is provided with a top cover 35, which is detachably installed on the top of the medicine tank 3. The top of the top cover 35 is recessed to form an installation cavity 36. The stirring device 4 includes a motor 41 and a stirring shaft 42. The motor 41 is installed in the installation cavity 36, and the top of the stirring shaft 42 is installed at the bottom of the top cover 35. The motor 41 and the stirring shaft 42 are connected in a transmission connection.

[0009] Furthermore, the bottom of the liquid tank 3 is provided with an insertion hole 43 for limiting the bottom of the stirring shaft 42.

[0010] Furthermore, the elastic limiting pin 5 includes a mounting box 51, a guide post 52, a spring 53, a slider 54, and a limiting pin 55. The mounting box 51 is embedded in the bottom of the drone 1. The guide post 52 is installed upright in the mounting box 51. The spring 53 is fitted on the guide post 52. The slider 54 compresses the spring 53 and is slidably installed on the guide post 52. The upper end of the limiting pin 55 is fixed on the slider 54, and the lower end of the limiting pin 55 extends out of the mounting box 51.

[0011] Furthermore, the bottom outer side of the limiting pin 55 is provided with an inclined surface 56 to facilitate retraction under force.

[0012] The beneficial effects of this utility model are: This utility model features an extended feed section and a feeding port on one side of the liquid fertilizer tank, allowing for the addition of fertilizer solution without disassembling the tank. The tank is secured using a U-shaped snap-fit, snap-fit ​​flange, and elastic limiting pin, making assembly and disassembly convenient, quick, and the connection stable and reliable, effectively improving work efficiency. Furthermore, this utility model includes a stirring device to agitate the fertilizer solution, preventing sedimentation and ensuring its uniformity. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of the main axonometric projection of this utility model.

[0014] Figure 2 This is a three-dimensional schematic diagram of the elevation axis measurement of this utility model.

[0015] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0016] Figure 4 yes Figure 3 A magnified schematic diagram of the structure at point A in the middle.

[0017] Figure 5 This is a three-dimensional schematic diagram of the U-shaped bayonet mounting structure of this utility model.

[0018] Figure 6 This is a three-dimensional schematic diagram of the medicine liquid tank of this utility model.

[0019] Figure 7 This is a cross-sectional structural diagram of the elastic limiting pin of this utility model. Detailed Implementation

[0020] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.

[0021] This utility model discloses a fertilizer spraying drone, which mainly includes a drone 1, a U-shaped bayonet 2, a liquid tank 3, a stirring device 4, an elastic limiting pin 5, a liquid pump 6, a supply pipe 7, and a nozzle 8. The U-shaped bayonet 2 is installed at the bottom of the drone 1, the stirring device 4 is installed inside the liquid tank 3, and the top of the liquid tank 3 is provided with a snap-fit ​​flange 31 that matches the U-shaped bayonet 2. The liquid tank 3 is pushed into the U-shaped bayonet 2 from the opening side through the snap-fit ​​flange 31. An elastic limiting pin 5 is installed at the bottom of the drone 1 at the opening side of the U-shaped bayonet 2 to prevent the snap-fit ​​flange 31 from slipping out. The liquid pump 6 is installed at the top of the drone 1 and is connected to the bottom of the liquid tank 3 through a hose. The supply pipe 7 is installed at the bottom of the drone 1. On the cantilever of the drone 1, the nozzle 8 is installed at the end of the liquid supply pipe 7, and the front end of the liquid supply pipe 7 is connected to the liquid pump 6; the liquid tank 3 has an extended feed section 32 on one side, and a feeding port 33 on the feed section 32. The feeding port 33 has a threaded cover, and the cover has an air hole to balance the internal and external pressure difference; the liquid tank 3 of this utility model has an extended feed section 32 and a feeding port 33 on one side, which can realize the addition of fertilizer liquid without disassembling the liquid tank 3; the liquid tank 3 is installed and fixed by a U-shaped buckle 2, a snap-fit ​​flange 31 and an elastic limiting pin 5, which is convenient and quick to disassemble and assemble, and the connection is stable and reliable, effectively improving work efficiency; this utility model also has a stirring device, which can stir the fertilizer liquid to prevent fertilizer sedimentation and ensure the uniformity of the fertilizer liquid.

[0022] The bottom of the liquid medicine tank 3 is equipped with casters 34 for easy movement. When changing the liquid medicine tank 3, the casters 34 make it easy to move the liquid medicine tank 3, reducing the labor intensity of the operator.

[0023] The caster wheel 34 is installed at the bottom of the medicine tank 3 via a lifting device. The lifting device includes a telescopic frame 11, a support platform 12, a crossbeam 13, a double-threaded screw 14, a connecting rod 15, and a guide rod 16. The double-threaded screw 14 has a left-hand thread at one end and a right-hand thread at the other end. The two crossbeams 13 are threadedly connected to the left-hand and right-hand thread sections of the double-threaded screw 14, respectively. One end of the guide rod 16 is fixed to one of the crossbeams 13, and the other crossbeam 13 is slidably mounted on the guide rod 16. The telescopic frame 11 and the support platform 12 are located below and above the two crossbeams 13, respectively. The left side of the telescopic frame 11 and the support platform 12 is hinged to the left crossbeam 13 via the connecting rod 15, and the right side of the telescopic frame 11 and the support platform 12 is hinged to the left crossbeam 13 via the connecting rod 15. 5 is hinged to the right crossbeam 13, the universal wheel 34 is installed at the bottom of the telescopic frame 11, and the support platform 12 is installed at the bottom of the liquid tank 3; the end of the double threaded screw 14 is equipped with a handwheel for easy force adjustment. When the double threaded screw 14 is rotated, the two crossbeams 13 move towards or away from each other. By changing the tilt angle of the connecting rod 15 when it is supported, the distance between the telescopic frame 11 and the support platform 12 can be adjusted; the support height of the liquid tank 3 can be adjusted by the lifting device, which facilitates the docking operation of the snap-fit ​​flange 31 and the U-shaped bayonet 2. There is no need for the operator to lift the liquid tank 3 filled with fertilizer liquid, reducing the labor intensity of the operator; after the installation is completed, the universal wheel 34 is retracted by the lifting device and supported by the support feet of the UAV 1 to ensure the stability of the UAV 1 during take-off and landing.

[0024] The medicine tank 3 is provided with a top cover 35, which is detachably installed on the top of the medicine tank 3. The top of the top cover 35 is recessed to form an installation cavity 36. The stirring device 4 includes a motor 41 and a stirring shaft 42. The motor 41 is installed in the installation cavity 36, and the top of the stirring shaft 42 is installed at the bottom of the top cover 35. The motor 41 and the stirring shaft 42 are connected in a transmission manner. By embedding the motor in the top cover 35, the problem of dryness between the motor 41 and the drone 1 during the installation of the medicine tank 3 can be avoided. The installation distance between the medicine tank 3 and the drone 1 can be effectively reduced, ensuring that the medicine tank 3 has sufficient installation space and its capacity.

[0025] The bottom of the liquid tank 3 is provided with an insertion hole 43 to limit the bottom of the stirring shaft 42, thereby reducing the vibration of the stirring shaft 42 and ensuring the stability of the stirring shaft 42.

[0026] The elastic limiting pin 5 includes a mounting box 51, a guide post 52, a spring 53, a slider 54, and a limiting pin 55. The mounting box 51 is embedded in the bottom of the drone 1. The guide post 52 is installed upright in the mounting box 51. The spring 53 is fitted onto the guide post 52. The slider 54 compresses the spring 53 and is slidably mounted on the guide post 52. The upper end of the limiting pin 55 is fixed to the slider 54, and the lower end of the limiting pin 55 extends out of the mounting box 51. The elastic limiting pin 55 supports the liquid tank 3 and prevents it from sliding out laterally, ensuring the reliability of the installation. The limiting pin 55 can elastically extend and retract when subjected to pressure, making it easy to operate, saving time and effort, and providing convenience and speed.

[0027] The bottom outer side of the limiting pin 55 is provided with an inclined surface 56 to facilitate the retraction under force, ensuring that no pressure is applied to the limiting pin 55 when it is pushed in. The pressure of the locking flange 31 against the inclined surface 56 can retract the limiting pin 55, ensuring convenient, quick and time-saving operation.

[0028] Work process: This utility model features a fertilizer tank 3 with an extended feed section 32 and a feeding port 33 on one side, allowing fertilizer solution to be added without disassembling the tank 3. The tank 3 is secured by a U-shaped latch 2, a snap-fit ​​flange 31, and an elastic limiting pin 5, making assembly and disassembly convenient and quick, ensuring stable and reliable connection, and effectively improving work efficiency. The limiting pin 55 is elastically retractable, retracting under pressure. The bottom outer side of the limiting pin 55 has an inclined surface 56 to facilitate retraction under pressure, ensuring that no pressure is applied to the limiting pin 55 during insertion. The snap-fit ​​flange 31's pressure against the inclined surface 56 causes the limiting pin 55 to retract, ensuring convenient, quick, and labor-saving operation. This utility model also includes a stirring device to agitate the fertilizer solution, preventing sedimentation and ensuring uniformity. A double-threaded screw 1 is also included. The end of 4 is equipped with a handwheel for easy force adjustment. When the double threaded screw 14 is rotated, the two crossbeams 13 move towards or away from each other. By changing the tilt angle of the connecting rod 15 when it is supported, the distance between the telescopic frame 11 and the support platform 12 can be adjusted. The lifting device can adjust the support height of the liquid tank 3, which facilitates the docking operation of the snap-fit ​​flange 31 and the U-shaped bayonet 2. It eliminates the need for operators to lift the liquid tank 3 filled with fertilizer liquid, reducing the labor intensity of operators. After installation, the universal wheel 34 is retracted by the lifting device and supported by the support feet of the drone 1 to ensure the stability of the drone 1 during takeoff and landing. The bottom of the liquid tank 3 is equipped with universal wheel 34 for easy movement. When replacing the liquid tank 3, the universal wheel 34 can be used to move the liquid tank 3, reducing the labor intensity of operators.

[0029] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.

Claims

1. A fertilizer spraying drone, characterized in that: The fertilizer spraying drone includes a drone (1), a U-shaped bayonet (2), a liquid tank (3), a stirring device (4), an elastic limiting pin (5), a liquid pump (6), a liquid supply pipe (7), and a nozzle (8). The U-shaped bayonet (2) is installed at the bottom of the drone (1), and the stirring device (4) is installed inside the liquid tank (3). The top of the liquid tank (3) is provided with a snap-fit ​​flange (31) that matches the U-shaped bayonet (2). The liquid tank (3) is pushed into the U-shaped bayonet (2) from the opening side through the snap-fit ​​flange (31). The drone (1) is on the opening side of the U-shaped bayonet (2). The bottom of the machine body is equipped with an elastic limit pin (5) to prevent the locking flange (31) from sliding out. The liquid pump (6) is installed on the top of the drone (1) and the liquid pump (6) is connected to the bottom of the liquid tank (3) through a hose. The liquid supply pipe (7) is installed on the cantilever of the drone (1). The nozzle (8) is installed at the end of the liquid supply pipe (7) and the front end of the liquid supply pipe (7) is connected to the liquid pump (6). The liquid tank (3) has an extended feed section (32) on one side. The feed section (32) has a feeding port (33). The feeding port (33) has a threaded cover. The cover has an air hole to balance the internal and external pressure difference.

2. The fertilizer spraying drone as described in claim 1, characterized in that: The medicine tank (3) is equipped with casters (34) at the bottom for easy movement.

3. The fertilizer spraying drone as described in claim 2, characterized in that: The caster wheel (34) is installed at the bottom of the liquid tank (3) via a lifting device. The lifting device includes a telescopic frame (11), a support platform (12), a crossbeam (13), a double-threaded screw (14), a connecting rod (15), and a guide rod (16). The double-threaded screw (14) is a screw with a left-hand thread at one end and a right-hand thread at the other end. The two crossbeams (13) are threadedly connected to the left-hand thread section and the right-hand thread section of the double-threaded screw (14) respectively. One end of the guide rod (16) is fixed to one of the crossbeams (13). On top, another crossbeam (13) is slidably mounted on the guide rod (16). The telescopic frame (11) and the support platform (12) are located below and above the two crossbeams (13) respectively. The left side of the telescopic frame (11) and the support platform (12) is hinged to the left crossbeam (13) via the connecting rod (15). The right side of the telescopic frame (11) and the support platform (12) is hinged to the right crossbeam (13) via the connecting rod (15). The universal wheel (34) is installed at the bottom of the telescopic frame (11), and the support platform (12) is installed at the bottom of the liquid tank (3).

4. A fertilizer spraying drone as described in any one of claims 1-3, characterized in that: The liquid medicine tank (3) is provided with a top cover (35). The top cover (35) is detachably installed on the top of the liquid medicine tank (3). The top of the top cover (35) is recessed to form an installation cavity (36). The stirring device (4) includes a motor (41) and a stirring shaft (42). The motor (41) is installed in the installation cavity (36). The top of the stirring shaft (42) is installed at the bottom of the top cover (35). The motor (41) and the stirring shaft (42) are connected in a transmission.

5. A fertilizer spraying drone as described in claim 4, characterized in that: The bottom of the liquid tank (3) is provided with an insertion hole (43) for limiting the bottom of the stirring shaft (42).

6. A fertilizer spraying drone as described in any one of claims 1-3 and 5, characterized in that: The elastic limiting pin (5) includes a mounting box (51), a guide post (52), a spring (53), a slider (54), and a limiting pin (55). The mounting box (51) is embedded in the bottom of the drone (1). The guide post (52) is installed upright in the mounting box (51). The spring (53) is fitted on the guide post (52). The slider (54) compresses the spring (53) and is slidably installed on the guide post (52). The upper end of the limiting pin (55) is fixed on the slider (54), and the lower end of the limiting pin (55) extends out of the mounting box (51).

7. A fertilizer spraying drone as described in claim 6, characterized in that: The bottom outer side of the limiting pin (55) is provided with an inclined surface (56) to facilitate the retraction under force.

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