Landing buffer device for plant protection unmanned aerial vehicle

Abstract

The utility model relates to the technical field of plant protection unmanned aerial vehicles, and discloses a landing buffer device for a plant protection unmanned aerial vehicle, which comprises a fuselage, landing frames are fixedly connected to the periphery of the bottom of the fuselage, buffer shells are fixedly connected to the middle lower parts of the multiple landing frames, and fixing plates are fixedly connected to the bottoms of the multiple landing frames. The left side and the right side of the fixing plate are both fixedly connected with fixing blocks, grooves are formed in the inner wall of the buffer shell, the outer portion of the fixing plate is connected to the inner wall of the buffer shell in a sliding mode, and a plurality of fixing columns are fixedly connected to the bottom of the buffer shell. And a plurality of springs are arranged at equal intervals, so that a fixing plate can slowly move up and down in the buffer shell, the unmanned aerial vehicle after landing is stabilized in the water tank shell, a cleaning brush washes stains at the bottom of the buffer shell, and the next flight efficiency and the plant protection effect are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a landing buffer device for a plant protection unmanned aerial vehicle. Background Art

[0002] Plant protection UAV, also known as unmanned aerial vehicle, is an unmanned aircraft used for agricultural and forestry plant protection operations. This type of UAV consists of three parts: flight platform, navigation flight control, and spraying mechanism. It realizes spraying operations through ground remote control or navigation flight control. It is mainly used for spraying pesticides, fertilizing, irrigation or other plant protection activities.

[0003] Plant protection drones are usually used in agricultural and forestry planting areas such as farmlands, orchards, vineyards, and forests. These locations are often accompanied by mud, stones, and undulating land. When the drone lands, the uneven ground may cause the drone to lose control or become unstable when landing. This requires the addition of a landing cushioning device to reduce the resistance of the fuselage during descent and the power of operation.

[0004] The existing landing buffer device of the plant protection UAV is made of soft materials, such as rubber and foam plastic, which cannot effectively reduce the impact force on the undulating ground, resulting in damage to the structure or equipment of the UAV. Therefore, a landing buffer device for a plant protection UAV is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a landing buffer device for a plant protection UAV, aiming to improve the problem that the existing landing buffer device for a plant protection UAV in the prior art may not be able to effectively mitigate the impact force, resulting in damage to its structure or equipment.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a landing buffer device for a plant protection drone, including a fuselage, the bottom of the fuselage is fixedly connected with a landing frame on all sides, the middle and lower parts of multiple landing frames are fixedly connected with a buffer shell, the bottoms of multiple landing frames are fixedly connected with a fixed plate, the left and right sides of the fixed plate are fixedly connected with a fixed block, the inner wall of the buffer shell is provided with a groove, the outside of the fixed plate is slidably connected to the inner wall of the buffer shell, the bottom of the buffer shell is fixedly connected with multiple fixed columns, the tops of multiple fixed columns are slidably connected with sliding columns, the outer walls of the sliding columns are fixedly connected with springs, and the bottom of the buffer shell is provided with a cleaning mechanism.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism includes a water tank shell, the top of the water tank shell is arranged at the bottom of the buffer shell, the top of the water tank shell is fixedly connected to a triangular support frame, the front side of the water tank shell is fixedly connected to a servo motor 1, the output end of the servo motor 1 passes through the front side of the water tank shell and is rotatably connected to a threaded rod, the outer wall of the threaded rod is fixedly connected to the inner left side of the water tank shell, the inner right side of the water tank shell is fixedly connected to a support rod, the outer wall of the threaded rod is threadedly connected to a cleaning brush, and the right end of the cleaning brush is slidably connected to the outer wall of the support rod.

[0009] As a further description of the above technical solution:

[0010] The outer walls of the fuselage are all fixedly connected with fixing rods, the tops of the plurality of fixing rods are all fixedly connected with servo motors 2, and the output ends of the plurality of servo motors 2 are all fixedly connected with propellers.

[0011] As a further description of the above technical solution:

[0012] The bottoms of the plurality of fixed rods are all fixedly connected with water pipes, and the bottoms of the water pipes are connected with atomizing nozzles.

[0013] As a further description of the above technical solution:

[0014] The middle parts of the plurality of floor stands are all fixedly connected with a fixing stand.

[0015] As a further description of the above technical solution:

[0016] The bottom of the fuselage is fixedly connected with a medicine box.

[0017] As a further description of the above technical solution:

[0018] The bottom of the buffer shell is fixedly connected with an anti-skid pad.

[0019] As a further description of the above technical solution:

[0020] The left side of the fixing frame is fixedly connected with a sensor.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, when the UAV lands, the landing frame first contacts the ground, and the impact force is transmitted to the buffer shell. The fixed plate slides in the buffer shell to slow down the spread of the impact force and disperse it to the entire shell. A plurality of equidistant springs are arranged at the bottom of the buffer shell, so that the fixed plate can move up and down slowly in the buffer shell, absorb stronger impact force, and finally land stably, thereby avoiding damage to the fuselage body and extending the service life of the UAV.

[0023] 2. In the utility model, after landing, the UAV is stabilized in the water tank shell. When the servo motor is started, the threaded rod begins to rotate, and the cleaning brush moves accordingly. The movement of the cleaning brush washes the stains on the bottom of the buffer shell, so that the plant protection UAV remains clean after maintaining a high-frequency spraying operation, ensuring the next flight efficiency and plant protection effect, and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a three-dimensional schematic diagram of a landing buffer device for a plant protection UAV proposed by the utility model;

[0025] Figure 2 This is a three-dimensional schematic diagram of the drone body of a landing buffer device for a plant protection drone proposed in the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of a buffer shell of a landing buffer device for a plant protection UAV proposed by the utility model;

[0027] Figure 4 This is a schematic structural diagram of a water tank shell of a landing buffer device for a plant protection UAV proposed by the utility model.

[0028] Legend:

[0029] 1. Body; 2. Floor stand; 3. Fixed plate; 4. Buffer shell; 5. Fixed block; 6. Groove; 7. Fixed column; 8. Sliding column; 9. Spring; 10. Cleaning mechanism; 1001. Water tank shell; 1002. Servo motor one; 1003. Threaded rod; 1004. Triangular support frame; 1005. Support rod; 1006. Cleaning brush; 11. Fixed rod; 12. Servo motor two; 13. Propeller; 14. Water pipe; 15. Atomizing nozzle; 16. Fixed frame; 17. Medicine box; 18. Anti-slip mat; 19. Sensor. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a landing buffer device for a plant protection UAV, including a fuselage 1, a landing frame 2 is fixedly connected to the bottom of the fuselage 1, a buffer shell 4 is fixedly connected to the middle and lower parts of multiple landing frames 2, a fixing plate 3 is fixedly connected to the bottom of multiple landing frames 2, a fixing block 5 is fixedly connected to the left and right sides of the fixing plate 3, a groove 6 is opened on the inner wall of the buffer shell 4, the outer part of the fixing plate 3 is slidably connected to the inner wall of the buffer shell 4, a plurality of fixing columns 7 are fixedly connected to the bottom of the buffer shell 4, and the tops of the plurality of fixing columns 7 are fixedly connected. A sliding column 8 is slidably connected, a spring 9 is fixedly connected to the outer wall of the sliding column 8, and a cleaning mechanism 10 is arranged at the bottom of the buffer shell 4; a fixing rod 11 is fixedly connected to the outer wall of the fuselage 1, a servo motor 12 is fixedly connected to the top of a plurality of fixing rods 11, and a propeller 13 is fixedly connected to the output end of a plurality of servo motors 12; a water pipe 14 is fixedly connected to the bottom of the plurality of fixing rods 11, and an atomizing nozzle 15 is connected to the bottom of the water pipe 14; a medicine box 17 is fixedly connected to the bottom of the fuselage 1; and a non-slip pad 18 is fixedly connected to the bottom of the buffer shell 4.

[0032] Specifically, when the UAV generates great force when landing, the landing frame 2 first contacts the ground and transmits the impact force to the buffer shell 4. A fixed plate 3 is arranged at the bottom of the landing frame 2. The outside of the fixed plate 3 wraps the buffer shell 4. A groove 6 is provided on the inner wall of the buffer shell 4. The fixed plate 3 is connected to the buffer shell 4 through the fixed block 5 and can slide inside it, thereby slowing down the propagation speed of the impact force and dispersing it to the entire buffer shell 4. In addition, a plurality of fixed columns 7 are connected to the bottom of the buffer shell 4, and a sliding column 8 is connected to the top of the plurality of fixed columns 7. A plurality of equidistant springs 9 are installed on the outer wall of the sliding column 8. When the fixed plate 3 is squeezed downward, the plurality of equidistant springs 9 are used to make it move slowly up and down, thereby absorbing a stronger impact force and finally landing stably. The anti-slip pad 18 at the bottom of the buffer shell 4 protects the entire device and avoids damage to the device body.

[0033] Reference Figure 1 and Figure 4 The utility model provides an embodiment: the cleaning mechanism 10 includes a water tank shell 1001, the top of the water tank shell 1001 is arranged at the bottom of the buffer shell 4, the top of the water tank shell 1001 is fixedly connected to a triangular support frame 1004, the front side of the water tank shell 1001 is fixedly connected to a servo motor 1002, the output end of the servo motor 1002 passes through the front side of the water tank shell 1001 and is rotatably connected to a threaded rod 1003, the outer wall of the threaded rod 1003 is fixedly connected to the inner left side of the water tank shell 1001, the inner right side of the water tank shell 1001 is fixedly connected to a support rod 1005, the outer wall of the threaded rod 1003 is threadedly connected to a cleaning brush 1006, and the right end of the cleaning brush 1006 is slidably connected to the outer wall of the support rod 1005. Water tank shell 1001

[0034] Specifically, when the spraying task is completed, the plant protection UAV is fixed on the triangular support frame 1004 to ensure that the plant protection UAV will not shake or tilt during the cleaning process, and clean water is stored inside the water tank shell 1001. The servo motor 1002 is started, and the threaded rod 1003 starts to rotate. The cleaning brush 1006 also moves accordingly, so that it brushes back and forth on the bottom of the buffer shell 4, thereby removing dirt and stains on the surface, so that the plant protection UAV remains clean during frequent operations, ensuring the next flight efficiency and plant protection effect.

[0035] Reference Figure 1 and Figure 2 The utility model provides an embodiment in which a fixing frame 16 is fixedly connected to the middle of each of the plurality of landing frames 2 ; a sensor 19 is fixedly connected to the left side of the fixing frame 16 .

[0036] Specifically, the fixing frame 16 enhances the stability of the plant protection UAV when it lands, and the sensor 19 is used to control the take-off, landing, heading, altitude and spraying operations of the UAV.

[0037] Working principle: Servo motor 12 drives propeller 13 to rotate, providing lift and propulsion to enable it to take off, fly and land. When the plant protection UAV is working, the material in the medicine box 17 is connected to the atomizing nozzle 15 through the water pipe 14 and sprayed into the farmland. When the spraying operation is completed, the UAV will land. When the UAV lands and generates great force, the landing frame 2 first contacts the ground and transmits the impact force to the buffer shell 4. A fixed plate 3 is provided at the bottom of the landing frame 2. The outside of the fixed plate 3 is wrapped with the buffer shell 4. A groove 6 is provided on the inner wall of the buffer shell 4. The fixed plate 3 is connected to the buffer shell 4 through the fixed block 5 and can slide inside it. At this time, the propagation speed of the impact force is slowed down and dispersed throughout the buffer shell 4. In addition, a plurality of fixed columns 7 are connected to the bottom of the buffer shell 4, and the tops of the plurality of fixed columns 7 are connected to sliding columns. 8. The outer wall of the sliding column 8 is installed with multiple equidistant springs 9. When the fixed plate 3 is squeezed downward, the multiple equidistant springs 9 make it move up and down slowly, absorb stronger impact force, and finally land stably. The anti-skid pad 18 at the bottom of the buffer shell 4 protects the entire device to avoid damage to the device body. When the spraying task is completed, the plant protection UAV is fixed on the triangular support frame 1004 to ensure that the plant protection UAV will not shake or tilt during the cleaning process. Clear water is stored in the water tank shell 1001, and the servo motor 1002 is started. The threaded rod 1003 starts to rotate, and the cleaning brush 1006 also moves accordingly, so that it scrubs back and forth at the bottom of the buffer shell 4, thereby removing dirt and stains on the surface, so that the plant protection UAV remains clean during frequent operations, ensuring the next flight efficiency and plant protection effect.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A landing cushioning device for a plant protection UAV, comprising a fuselage (1), characterized in that: The bottom of the fuselage (1) is fixedly connected with a landing frame (2) on all sides, the middle and lower parts of the plurality of landing frames (2) are fixedly connected with a buffer shell (4), the bottoms of the plurality of landing frames (2) are fixedly connected with a fixing plate (3), the left and right sides of the fixing plate (3) are fixedly connected with a fixing block (5), the inner wall of the buffer shell (4) is provided with a groove (6), the outside of the fixing plate (3) is slidably connected to the inner wall of the buffer shell (4), the bottom of the buffer shell (4) is fixedly connected with a plurality of fixing columns (7), the tops of the plurality of fixing columns (7) are slidably connected with a sliding column (8), the outer wall of the sliding column (8) is fixedly connected with a spring (9), and the bottom of the buffer shell (4) is provided with a cleaning mechanism (10).

2. The landing buffer device for a plant protection drone according to claim 1, characterized in that: The cleaning mechanism (10) comprises a water tank shell (1001), the top of the water tank shell (1001) is arranged at the bottom of the buffer shell (4), the top of the water tank shell (1001) is fixedly connected to a triangular support frame (1004), the front side of the water tank shell (1001) is fixedly connected to a servo motor 1 (1002), the output end of the servo motor 1 (1002) passes through the front side of the water tank shell (1001) and is rotatably connected to a threaded rod (1003), the outer wall of the threaded rod (1003) is fixedly connected to the inner left side of the water tank shell (1001), the inner right side of the water tank shell (1001) is fixedly connected to a support rod (1005), the outer wall of the threaded rod (1003) is threadedly connected to a cleaning brush (1006), and the right end of the cleaning brush (1006) is slidably connected to the outer wall of the support rod (1005).

3. The landing buffer device for a plant protection drone according to claim 1, characterized in that: The outer wall of the fuselage (1) is fixedly connected to a fixing rod (11), the tops of the plurality of fixing rods (11) are fixedly connected to a servo motor 2 (12), and the output ends of the plurality of servo motors 2 (12) are fixedly connected to a propeller (13).

4. The landing buffer device for a plant protection UAV according to claim 3, characterized in that: The bottoms of the plurality of fixed rods (11) are all fixedly connected to water pipes (14), and the bottoms of the water pipes (14) are connected to atomizing nozzles (15).

5. The landing buffer device for a plant protection UAV according to claim 1, characterized in that: The middle parts of the plurality of floor stands (2) are all fixedly connected to a fixing stand (16).

6. The landing buffer device for a plant protection UAV according to claim 1, characterized in that: A medicine box (17) is fixedly connected to the bottom of the body (1).

7. The landing buffer device for a plant protection drone according to claim 1, characterized in that: An anti-slip pad (18) is fixedly connected to the bottom of the buffer shell (4).

8. The landing buffer device for a plant protection UAV according to claim 5, characterized in that: A sensor (19) is fixedly connected to the left side of the fixing frame (16).

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