Tray loading mechanism for sowing and fertilizer spreading of unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle seeding and fertilizer spreading tray loading mechanism which comprises a material barrel and a spreading frame, the spreading frame is installed at the bottom end of the material barrel, a motor box is installed on the side wall of the spreading frame, a spreading tray is arranged below the spreading frame, an adjusting motor is installed at the bottom end of the spreading tray, and the adjusting motor is connected with the motor box. A rotating block is installed at the output end of the adjusting motor, a plurality of sets of limiting strips are symmetrically installed in the sowing disc at equal intervals, telescopic plates are slidably installed in the limiting strips, a plurality of sets of connecting arms are installed on the side wall of the rotating block at equal intervals, and linkage rods are installed at the ends, away from the rotating block, of the connecting arms. According to the device, the discharging amount can be conveniently adjusted in a staggered mode, the inner wall can be conveniently scraped and swept in an abutting mode, the sowing range can be conveniently adjusted, seeds and chemical fertilizers are prevented from being coagulated into blocks, and the sowing flexibility and the scraping and sweeping cleaning convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a tray loading mechanism, in particular to a tray loading mechanism for a drone for sowing and fertilizing. Background Art

[0002] As the name suggests, agricultural drones are unmanned aircraft used for agricultural and forestry plant protection operations. The drones are composed of three parts: a flight platform, a navigation flight control, and a spraying mechanism. Spraying operations are achieved through ground remote control or navigation flight control. They can spray pesticides, seeds, powders, etc. Agricultural drones are not only used for spraying pesticides, but also for spreading fertilizers, sowing seeds, spreading feed, and other tasks to meet the diverse needs of farmers and improve production efficiency. Drones need to use a spreader when sowing and fertilizing, and a loading mechanism is needed at the bottom of the spreader. The sowing range of the traditional loading mechanism cannot be adjusted. In order to better sow fertilizers and seeds, a loading mechanism for drone sowing and fertilizing is proposed.

[0003] For example, a loading mechanism for seeding and fertilizing of a drone disclosed in the authorization announcement number CN217673215U includes a mechanism body, a power supply is arranged at the left external position of the mechanism body, a connecting line is arranged at the left external position of the power supply, a knob is arranged at the upper right external position of the mechanism body, a chassis is arranged at the lower position of the mechanism body, a spreading port is arranged at the inner position of the chassis, a motor seat is arranged at the upper middle position of the inner side of the mechanism body, a main shaft is arranged at the upper position of the motor seat, stirring rods are arranged at the left and right sides of the main shaft, and a pressure rod is arranged at the connection position between the motor seat and the mechanism body;

[0004] Although the stirring device is provided to stir the fertilizers, seeds and other materials inside the main body of the mechanism, break them up, prevent the fertilizers, seeds and other materials from condensing together, and prevent the dispensing outlet from being blocked;

[0005] However, the problem that the existing tray loading mechanism is not conducive to convenient misalignment adjustment of the amount of material discharged and convenient tight-type scraping and sweeping of the inner wall during use is not solved, and is not conducive to convenient adjustment of the sowing range, which affects the flexibility of sowing and the convenience of scraping and cleaning. Utility Model Content

[0006] The purpose of the utility model is to provide a tray loading mechanism for UAV sowing and fertilizing, so as to solve the problem in the above-mentioned background technology that the tray loading mechanism is not convenient for convenient offset adjustment of the amount of material discharged and convenient tight-type scraping and sweeping of the inner wall, which is not conducive to convenient adjustment of the sowing range, affecting the flexibility of sowing and the convenience of scraping and cleaning.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a loading mechanism for unmanned aerial vehicle sowing and fertilizing, comprising a material barrel and a sowing frame, the sowing frame is installed at the bottom end of the material barrel, a motor box is installed on the side wall of the sowing frame, a sowing plate is arranged below the sowing frame, an adjustment motor is installed at the bottom end of the sowing plate, a rotating block is installed at the output end of the adjustment motor, a plurality of groups of limit strips with equal spacing are symmetrically installed inside the sowing plate, telescopic plates are slidably installed inside the limit strips, a plurality of groups of connecting arms with equal spacing are installed on the side walls of the rotating block, a linkage rod is installed at one end of the connecting arm away from the rotating block, a hinge shaft is installed at one end of the linkage rod close to the connecting arm, and the linkage rod is movably connected to the connecting arm through the hinge shaft, a linkage shaft is installed at one end of the linkage rod close to the telescopic plate, and the linkage rod is movably connected to the telescopic plate through the linkage shaft.

[0008] Preferably, a cross frame is installed on the inner wall of the spreading frame, and an integrated frame is installed at the bottom end of the cross frame.

[0009] Preferably, a driving motor is installed inside the integrated frame, a driving shaft is installed at the output end of the driving motor, and the driving shaft is connected to the spreading disc.

[0010] Preferably, a connecting frame and a stirring frame are symmetrically mounted on the surface of the driving shaft, and a scraping frame is disposed at one end of the connecting frame away from the driving shaft, and the scraping frame is connected to the connecting frame.

[0011] Preferably, a scraping plate is slidably installed inside the scraping frame, and a plurality of groups of springs with equal spacing are installed on one side of the scraping plate close to the scraping frame, and the springs are fixedly connected to the scraping frame, and the scraping plate is slidably connected to the inner wall of the spreading frame.

[0012] Preferably, a lower material distribution plate is fixedly mounted on the inner wall of the spreading frame below the connecting frame, and the lower material distribution plate is movably connected to the driving shaft.

[0013] Preferably, an upper material distribution tray is arranged above the lower material distribution tray, and the upper material distribution tray is movably connected to the driving shaft, and a gear ring is installed on the side wall of the upper material distribution tray.

[0014] Preferably, a stepper motor is installed inside the motor box, a gear is installed at the output end of the stepper motor, and the gear and the gear ring are meshed with each other.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the loading mechanism not only realizes convenient offset adjustment of the amount of material discharged and convenient tight-fitting scraping and sweeping of the inner wall, which facilitates convenient adjustment of the sowing range and prevents seeds and fertilizers from condensing into lumps, but also improves the flexibility of sowing and the convenience of scraping and cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a front view structural schematic diagram of the utility model;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the spreading frame of the utility model;

[0019] Figure 4 It is a front view cross-sectional structural schematic diagram of the spreading frame of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the telescopic plate of the utility model.

[0021] In the figure: 1. material barrel; 2. motor box; 3. spreading frame; 4. spreading plate; 5. cross frame; 6. integrated frame; 7. driving motor; 8. connecting frame; 9. stirring frame; 10. driving shaft; 11. upper material distribution plate; 12. lower material distribution plate; 13. adjustment motor; 14. scraping frame; 15. scraping plate; 16. spring; 17. stepping motor; 18. gear; 19. gear ring; 20. connecting arm; 21. hinge shaft; 22. linkage rod; 23. linkage shaft; 24. limit strip; 25. telescopic plate; 26. rotating block. DETAILED DESCRIPTION

[0022] 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. 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.

[0023] See also Figure 1-5The utility model provides an embodiment: a tray loading mechanism for UAV sowing and fertilizing, comprising a material barrel 1 and a sowing frame 3, the sowing frame 3 is installed at the bottom end of the material barrel 1, the motor box 2 is installed on the side wall of the sowing frame 3, a sowing tray 4 is arranged below the sowing frame 3, an adjustment motor 13 is installed at the bottom end of the sowing tray 4, the adjustment motor 13 plays a role of power drive, a rotating block 26 is installed at the output end of the adjustment motor 13, and a plurality of groups of limit strips 24 with equal spacing are symmetrically installed inside the sowing tray 4 , a telescopic plate 25 is slidably installed inside the limit strip 24, and multiple groups of connecting arms 20 with equal spacing are installed on the side walls of the rotating block 26. A linkage rod 22 is installed at one end of the connecting arm 20 away from the rotating block 26, and a hinge shaft 21 is installed at one end of the linkage rod 22 close to the connecting arm 20, and the linkage rod 22 is movably connected to the connecting arm 20 through the hinge shaft 21. A linkage shaft 23 is installed at one end of the linkage rod 22 close to the telescopic plate 25, and the linkage rod 22 is movably connected to the telescopic plate 25 through the linkage shaft 23;

[0024] First, the device is installed on the drone, and seeds and fertilizers are poured into the barrel 1 at the same time. The device is connected to the circuit and controller of the drone. The fertilizers and seeds enter the interior of the sowing frame 3 through the barrel 1, and fall to the upper surface of the sowing disc 4 through the holes on the surface of the upper distribution disc 11 and the lower distribution disc 12. At this time, the drive motor 7 is turned on, and the drive shaft 10 is driven by the drive motor 7 to rotate, and the sowing disc 4 is driven by the drive shaft 10 to rotate. Under the action of centrifugal force, the sowing disc 4 sprinkles the seeds and fertilizers to complete the sowing operation. When the amount of seeds and fertilizers needs to be adjusted, the stepper motor 17 is turned on, and the stepper motor 17 drives the gear 18 to rotate. Under the mutual engagement of the gear 18 and the gear ring 19, the gear 18 drives the gear ring 19 to rotate, and the gear ring 19 drives the upper distribution disc 11 to rotate around the drive shaft 10 as the axis. The upper material distribution plate 11 is used to offset and block the holes on the surface of the lower material distribution plate 12, so as to adjust the material discharge aperture, thereby adjusting the size of the material discharge amount. If it is necessary to partially adjust the sowing range, the adjustment motor 13 is turned on, and the adjustment motor 13 drives the rotating block 26 to rotate, and the rotating block 26 drives the connecting arm 20 to rotate, and the connecting arm 20 drives the linkage rod 22 to rotate through the hinge shaft 21, and the linkage rod 22 drives the telescopic plate 25 to slide inside the limit bar 24 through the linkage shaft 23, so that multiple groups of telescopic plates 25 are extended from the inside of the sowing plate 4 to increase the diameter of the sowing plate 4, so that the movement path of the seeds on the sowing plate 4 is increased, so as to throw the seeds farther, to increase the sowing range, and realize convenient dislocation adjustment of the material discharge amount, facilitate convenient adjustment of the sowing range, and improve the flexibility of sowing;

[0025] A cross frame 5 is installed on the inner wall of the spreading frame 3, and an integrated frame 6 is installed at the bottom end of the cross frame 5;

[0026] A driving motor 7 is installed inside the integrated frame 6, and the driving motor 7 plays a role of power driving. A driving shaft 10 is installed at the output end of the driving motor 7, and the driving shaft 10 is connected to the spreading disc 4;

[0027] The surface of the driving shaft 10 is symmetrically provided with a connecting frame 8 and a stirring frame 9, and one end of the connecting frame 8 away from the driving shaft 10 is provided with a scraping frame 14, and the scraping frame 14 is connected to the connecting frame 8;

[0028] A scraping plate 15 is slidably installed inside the scraping frame 14, and a plurality of groups of springs 16 with equal spacing are installed on the side of the scraping plate 15 close to the scraping frame 14, and the springs 16 are fixedly connected to the scraping frame 14, and the scraping plate 15 is slidably connected to the inner wall of the sowing frame 3, and a lower material distribution plate 12 is fixedly installed on the inner wall of the sowing frame 3 below the connecting frame 8, and the lower material distribution plate 12 is movably connected to the driving shaft 10;

[0029] An upper material distribution tray 11 is arranged above the lower material distribution tray 12, and the upper material distribution tray 11 is movably connected to the driving shaft 10, a gear ring 19 is installed on the side wall of the upper material distribution tray 11, a stepper motor 17 is installed inside the motor box 2, the stepper motor 17 plays a role of power drive, and a gear 18 is installed at the output end of the stepper motor 17, and the gear 18 and the gear ring 19 are meshed with each other;

[0030] Under the rotation of the driving shaft 10, the driving shaft 10 synchronously drives the stirring frame 9 and the connecting frame 8 to rotate, and the stirring frame 9 is used to break up the seeds and fertilizers inside the sowing frame 3 to prevent them from condensing into lumps. The connecting frame 8 drives the scraping frame 14 to rotate, and the scraping frame 14 drives the scraping plate 15 to rotate. Under the elastic action of the spring 16, the spring 16 provides elastic force to the scraping plate 15 to make the scraping plate 15 always close to the inner wall of the sowing frame 3, so that the scraping plate 15 can scrape the seeds and fertilizers remaining on the inner wall of the sowing frame 3, thereby realizing convenient tight-fitting scraping of the inner wall, preventing the seeds and fertilizers from condensing into lumps, and improving the convenience of scraping and cleaning.

[0031] Working principle: First, install the device on the drone, pour seeds and fertilizers into the barrel 1, connect the device to the circuit and controller of the drone, and the fertilizers and seeds enter the inside of the sowing frame 3 through the barrel 1, and fall to the upper surface of the sowing disc 4 through the holes on the surface of the upper and lower material distribution discs 11 and 12. The drive motor 7 drives the drive shaft 10 to rotate, and the drive shaft 10 drives the sowing disc 4 to rotate. Under the action of centrifugal force, the sowing disc 4 sprinkles the seeds and fertilizers to After the sowing operation is completed, when the amount of seed and fertilizer to be fed needs to be adjusted, the stepper motor 17 drives the gear 18 to rotate, the gear 18 drives the gear ring 19 to rotate, and the gear ring 19 drives the upper material distribution plate 11 to rotate with the drive shaft 10 as the axis, and the upper material distribution plate 11 is used to offset and block the holes on the surface of the lower material distribution plate 12, so as to adjust the material discharge aperture, thereby adjusting the size of the material discharge amount. If it is necessary to partially adjust the sowing range, the adjustment motor 13 drives the rotating block 26 to rotate, and the rotating block 26 drives the connecting arm 20 rotates, the connecting arm 20 drives the linkage rod 22 to rotate through the hinge shaft 21, and the linkage rod 22 drives the telescopic plate 25 to slide inside the limit bar 24 through the linkage shaft 23, so that multiple groups of telescopic plates 25 are extended from the inside of the sowing disk 4 to increase the diameter of the sowing disk 4, so that the movement path of the seeds on the sowing disk 4 is increased, so as to throw the seeds farther and increase the sowing range. Under the rotation of the driving shaft 10, the driving shaft 10 synchronously drives the stirring frame 9 and the connecting frame 8 to rotate. The stirring frame 9 is used to break up the seeds and fertilizers inside the sowing frame 3 to prevent them from condensing into lumps. The connecting frame 8 drives the scraping frame 14 to rotate, and the scraping frame 14 drives the scraping plate 15 to rotate. Under the elastic action of the spring 16, the spring 16 provides elastic force to the scraping plate 15 to make the scraping plate 15 always close to the inner wall of the sowing frame 3, so that the scraping plate 15 can scrape the seeds and fertilizers remaining on the inner wall of the sowing frame 3, thereby completing the use of the loading mechanism for drone sowing and fertilizing.

Claims

1. A tray loading mechanism for unmanned aerial vehicle seeding and fertilizing, comprising a material bucket (1) and a seeding frame (3), characterized in that: A spreading frame (3) is installed at the bottom end of the material barrel (1), a motor box (2) is installed on the side wall of the spreading frame (3), a spreading disc (4) is arranged below the spreading frame (3), an adjustment motor (13) is installed at the bottom end of the spreading disc (4), a rotating block (26) is installed at the output end of the adjustment motor (13), a plurality of groups of limit strips (24) with equal spacing are symmetrically installed inside the spreading disc (4), a telescopic plate (25) is slidably installed inside the limit strips (24), and the rotating block (26) is provided with a plurality of groups of limit strips (24) with equal spacing. ) are mounted on the side walls of the connecting arm (20) at equal intervals, a linkage rod (22) is mounted on one end of the connecting arm (20) away from the rotating block (26), a hinge shaft (21) is mounted on one end of the linkage rod (22) close to the connecting arm (20), and the linkage rod (22) is movably connected to the connecting arm (20) via the hinge shaft (21), and a linkage shaft (23) is mounted on one end of the linkage rod (22) close to the telescopic plate (25), and the linkage rod (22) is movably connected to the telescopic plate (25) via the linkage shaft (23).

2. The tray loading mechanism for UAV sowing and fertilizing according to claim 1, characterized in that: A cross frame (5) is installed on the inner wall of the spreading frame (3), and an integrated frame (6) is installed at the bottom end of the cross frame (5).

3. The tray loading mechanism for UAV sowing and fertilizing according to claim 2, characterized in that: A driving motor (7) is installed inside the integrated frame (6), a driving shaft (10) is installed at the output end of the driving motor (7), and the driving shaft (10) is connected to the spreading disc (4).

4. The tray loading mechanism for UAV sowing and fertilizing according to claim 3, characterized in that: The surface of the driving shaft (10) is symmetrically provided with a connecting frame (8) and a stirring frame (9); one end of the connecting frame (8) away from the driving shaft (10) is provided with a scraping frame (14), and the scraping frame (14) is connected to the connecting frame (8).

5. The tray loading mechanism for UAV sowing and fertilizing according to claim 4, characterized in that: A scraping plate (15) is slidably mounted inside the scraping frame (14), and a plurality of groups of springs (16) with equal spacing are mounted on one side of the scraping plate (15) close to the scraping frame (14), and the springs (16) are fixedly connected to the scraping frame (14), and the scraping plate (15) is slidably connected to the inner wall of the sowing frame (3).

6. The tray loading mechanism for UAV sowing and fertilizing according to claim 4, characterized in that: A lower material distribution plate (12) is fixedly mounted on the inner wall of the spreading frame (3) below the connecting frame (8), and the lower material distribution plate (12) is movably connected to the driving shaft (10).

7. The tray loading mechanism for UAV sowing and fertilizing according to claim 6, characterized in that: An upper material distribution disc (11) is arranged above the lower material distribution disc (12), and the upper material distribution disc (11) is movably connected to the driving shaft (10), and a gear ring (19) is installed on the side wall of the upper material distribution disc (11).

8. The tray loading mechanism for UAV sowing and fertilizing according to claim 1, characterized in that: A stepper motor (17) is installed inside the motor box (2), a gear (18) is installed at the output end of the stepper motor (17), and the gear (18) and the gear ring (19) are meshed with each other.

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