Detachable pesticide bin structure applied to plant protection aircraft

Abstract

The utility model relates to the technical field of plant protection unmanned aerial vehicles, and discloses a detachable pesticide bin structure applied to a plant protection aircraft, a pesticide box with a pier base on a hoop belt is placed in a frame of a track frame, and the track frame and the pesticide box are locked and fixed through a locking socket. Sliding rail ends of the track frame are slidably connected with pulley seats in a pairwise symmetrical mode, and support ends of the pulley seats are connected with telescopic arm rods. When the pesticide bin structure of the plant protection aircraft is installed and used, the arm rod connecting direction of the telescopic arm rod is flexibly adjusted and corrected based on the sliding rail combination of the rail frame and the pulley seat, then the installation seat is adjusted and corrected again under the telescopic adjustment of the telescopic arm rod, and the pesticide bin structure is convenient to install and use. The device is matched and correspondingly installed with a foot stool or a bin body of the plant protection aircraft, the flexible regulation and control performance is better, and the device can adapt to installation and matching work of different plant protection aircrafts.

Description

Technical Field

[0001] The utility model relates to the technical field of plant protection unmanned aerial vehicles, and in particular to a detachable medicine bin structure applied to a plant protection aircraft. Background Art

[0002] With the rapid development of drone technology, there are more and more types of drones. Among them, plant protection drones, as a form of agricultural drones, are not only used for spraying and applying pesticides, but also for spreading fertilizers, seeds, feed, and other tasks. They can meet the diverse needs of farmers, improve production efficiency, and greatly provide convenience for agricultural planting.

[0003] Plant protection UAVs are usually equipped with a medicine tank structure under their fuselage as a container for liquid medicine, as shown in a new type of multifunctional medicine tank structure for plant protection UAVs disclosed on the China Patent Network (publication announcement number CN207744622U). During the installation and use of this type of medicine tank structure, the medicine tank body is connected to the aircraft tripod in a bracket manner through the side medicine tank installation handle, and then the countersunk hole in the battery compartment above the medicine tank and the wave-breaking groove below are designed to slow down the shaking of the liquid medicine during the flight of the plant protection UAV, and also to suppress the generation of vortex at the water outlet during operation, which leads to air leakage.

[0004] However, there are still some shortcomings in the above-mentioned patents and the medicine box structure of the plant protection drone adopted in the existing market: the existing bracket installation method of connecting the medicine box structure to the aircraft tripod has large installation limitations and can usually only adapt to a single model of aircraft. It is very easy to cause mismatch in the installation of the on-site environment due to external changes in the environment. To this end, the technicians in this field provide a detachable medicine bin structure applied to the plant protection aircraft to solve the problems raised in the above background technology. Utility Model Content

[0005] The main purpose of the utility model is to provide a detachable medicine bin structure for use in a plant protection aircraft, which can effectively solve the problem that the medicine bin structure of the existing plant protection aircraft in the background technology has relatively single flexibility and adaptability.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a detachable medicine bin structure applied to a plant protection aircraft, comprising a track frame and a hoop belt symmetrically arranged at the bottom of the track frame;

[0007] A medicine box with a pier seat on the hoop belt is placed inside the frame of the track frame, and the track frame and the medicine box are locked and fixed by a locking socket;

[0008] The slide rail ends of the track frame are slidably connected to pulley seats in pairs, and the support ends of the pulley seats are connected to telescopic arms;

[0009] A battery seat is arranged at the upper end of the medicine box, and a medicine liquid spraying mechanism is arranged inside the medicine box.

[0010] As a further solution of the utility model: the upper and lower ends of the support of the pulley seat are symmetrically provided with guide wheels slidably connected to the track frame.

[0011] As a further solution of the utility model: the telescopic arm includes a telescopic screw sleeve, one end of the telescopic screw sleeve is screwed with a first telescopic screw connected to the pulley seat, and the other end of the telescopic screw sleeve is screwed with a second telescopic screw, and a mounting seat is provided at the top end of the shaft of the second telescopic screw.

[0012] As a further solution of the utility model: the threads of the first telescopic screw and the second telescopic screw are arranged symmetrically in forward and reverse directions along the center of the telescopic screw sleeve.

[0013] As a further solution of the utility model: the locking socket includes a support seat symmetrically installed on both sides of the track frame, a locking screw is screwed through the middle of the support seat, a knob is provided at one end of the screw rod of the locking screw, and a locking column is provided at the other end of the thread of the locking screw which is pressed against the medicine box.

[0014] As a further solution of the utility model: locking slots that coincide with the locking posts are symmetrically provided on both sides of the medicine box.

[0015] As a further solution of the utility model: the medicine liquid spraying mechanism includes a water pump installed inside the medicine box body, the liquid suction end of the water pump is connected to a water suction pipe, and filter mesh cylinders are installed at both ends of the water suction pipe, the liquid discharge end of the water pump is connected to a drain pipe, and the other end of the drain pipe passes through the medicine box and is connected to a shunt pipe, and the bottom of the shunt pipe is connected to multiple groups of nozzles.

[0016] As a further solution of the utility model: the bottom of the medicine box is provided with an inner groove for built-in shunt pipe and nozzle.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. When the medicine bin structure of the plant protection aircraft of the utility model is installed and used, the arm connection position of the telescopic arm is flexibly adjusted and calibrated based on the slide rail combination of the track frame and the pulley seat, and then under the telescopic adjustment of the telescopic arm, its mounting seat is adjusted and calibrated again to match the tripod or bin body of the plant protection aircraft for corresponding installation. It has better flexible adjustment performance and can adapt to the installation and matching work of different plant protection aircraft.

[0019] 2. During the installation and use of the medicine bin structure of the plant protection aircraft of the utility model, based on the pier of the medicine box with the track frame and the hoop belt, and under the locking limit of the locking socket, it has the performance of simple and convenient disassembly and replacement. When the power of the battery holder above the medicine box is exhausted, the medicine box can be directly disassembled and replaced with a new one to carry out non-stop spraying work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a detachable medicine bin structure used in a plant protection aircraft according to the utility model;

[0021] Figure 2 This is a schematic diagram of the unfolded structure of a detachable medicine bin structure used in a plant protection aircraft according to the utility model;

[0022] Figure 3 This is a schematic structural diagram of a telescopic arm and a locking socket in a detachable medicine bin structure used in a plant protection aircraft according to the utility model;

[0023] Figure 4 The utility model is a structural schematic diagram of a medicine liquid spraying mechanism in a detachable medicine bin structure used in a plant protection aircraft.

[0024] In the figure: 1. track frame; 2. pulley seat; 3. telescopic arm; 31. first telescopic screw; 32. telescopic screw sleeve; 33. second telescopic screw; 34. mounting seat; 4. locking socket; 41. support seat; 42. knob; 43. locking screw; 44. locking column; 5. medicine box; 6. battery holder; 7. medicine injection valve; 8. hoop belt; 9. locking slot; 10. inner groove; 11. water pump; 12. suction pipe; 13. filter screen cylinder; 14. drain pipe; 15. diverter pipe; 16. nozzle. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 an indirect connection 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.

[0028] Please refer to Figure 1-4 As shown, a detachable medicine bin structure used in a plant protection aircraft comprises a track frame 1 and a hoop belt 8 symmetrically arranged at the bottom of the track frame 1, the slide rail ends of the track frame 1 are symmetrically slidably connected with pulley seats 2, the upper and lower ends of the supports of the pulley seats 2 are symmetrically provided with guide wheels slidably connected to the track frame 1, based on the slide rail assembly of the pulley seat 2 and the track frame 1, the arm connection position of the telescopic arm 3 is flexibly adjusted and calibrated to adapt to the complex and changeable installation environment on site and to be more conveniently connected to the plant protection aircraft.

[0029] The support end of the pulley seat 2 is connected to the telescopic arm 3, and the telescopic arm 3 includes a telescopic screw sleeve 32. One end of the telescopic screw sleeve 32 is screwed with a first telescopic screw 31 connected to the pulley seat 2, and the other end of the telescopic screw sleeve 32 is screwed with a second telescopic screw 33. A mounting seat 34 is provided at the top of the shaft of the second telescopic screw 33. The threads of the first telescopic screw 31 and the second telescopic screw 33 are symmetrically arranged in positive and reverse directions along the center of the telescopic screw sleeve 32. By rotating the telescopic screw sleeve 32, the first telescopic screw 31 and the second telescopic screw 33 are driven to telescope and push out in opposite directions, and the installation orientation of the mounting seat 34 is further adjusted and calibrated to better connect with the plant protection aircraft body or the tripod, reduce its installation difficulty, and improve the flexibility and adaptability of on-site installation.

[0030] A medicine box 5 with a pier seat on the hoop belt 8 is placed inside the frame of the track frame 1, and the track frame 1 and the medicine box 5 are locked and fixed by a locking socket 4. The locking socket 4 includes a support seat 41 symmetrically installed on both sides of the track frame 1. A locking screw 43 is screwed through the middle of the support seat 41. A knob 42 is provided at one end of the screw rod of the locking screw 43, and a locking column 44 is provided at the other end of the thread of the locking screw 43 to press against the medicine box 5. The box body of the medicine box 5 Locking slots 9 that overlap with the locking posts 44 are symmetrically provided on both sides. During agricultural spraying using the plant protection aircraft, when the battery holder 6 is exhausted, the knob 42 of the locking socket 4 can be rotated to drive the locking screw 43 to rotate spirally, and the locking post 44 can be moved out of the locking slots 9 on the medicine box 5 to release the locked state. Then, the medicine box 5 can be taken out of the track frame 1 and a new medicine box overall structure can be replaced to facilitate continuous and uninterrupted spraying.

[0031] A battery holder 6 is provided at the upper end of the medicine box 5, and a liquid medicine spraying mechanism is provided inside the medicine box 5. The liquid medicine spraying mechanism includes a water pump 11 installed inside the medicine box 5. The liquid suction end of the water pump 11 is connected to a water suction pipe 12, and filter screen cylinders 13 are installed at both ends of the water suction pipe 12. The liquid discharge end of the water pump 11 is connected to a drain pipe 14, and the other end of the drain pipe 14 passes through the medicine box 5 and is connected to the shunt pipe 15. The bottom of the shunt pipe 15 is connected to multiple groups of nozzles 16. The medicine box 5 An inner groove 10 with a built-in shunt pipe 15 and a nozzle 16 is provided at the bottom of the box. When using the plant protection aircraft for agricultural spraying, the medicine liquid is added to the medicine box 5 through the injection valve 7. After the plant protection aircraft drives the medicine box into the air, the water pump 11 is controlled to work, and the medicine liquid in the medicine box 5 is filtered and pumped through the combination of the filter cylinder 13 and the suction pipe 12, and is supplied to the nozzle 16 through the combination of the drainage pipe 14 and the shunt pipe 15, and is sprayed out through the nozzle 16, so as to carry out agricultural spraying in the form of a drone.

[0032] The working principle of the utility model is as follows: when the medicine bin structure is installed on the plant protection aircraft for spraying, the arm connection position of the telescopic arm 3 is flexibly adjusted and calibrated based on the pulley seat 2 and the slide rail assembly of the track frame 1, and the first telescopic screw 31 and the second telescopic screw 33 are driven to telescope and push out in opposite directions by rotating the telescopic screw sleeve 32 synchronously, and the installation position of the mounting seat 34 is further adjusted and calibrated to better connect with the plant protection aircraft body or the tripod;

[0033] After the subsequent medicine bin structure is installed, the medicine liquid is added into the medicine box 5 through the medicine injection valve 7. After the subsequent plant protection aircraft drives the medicine box to take off, the water pump 11 is controlled to work, and the medicine liquid in the medicine box 5 is filtered and pumped through the combination of the filter cylinder 13 and the water pumping pipe 12, and then supplied to the nozzle 16 through the combination of the drainage pipe 14 and the diversion pipe 15, and sprayed out through the nozzle 16, so as to carry out agricultural spraying work in the form of a drone;

[0034] Furthermore, when the battery holder 6 at the upper end of the medicine box 5 is exhausted, the plant protection aircraft is landed. At this time, the knob 42 of the locking socket 4 is turned to drive the locking screw 43 to rotate spirally, and the locking column 44 is moved out of the locking slot 9 on the medicine box 5 to release the locked state. Then the medicine box 5 is taken out of the track frame 1 and a new medicine box overall structure is replaced to facilitate continuous and uninterrupted spraying work and improve agricultural spraying efficiency.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A detachable medicine bin structure used in a plant protection aircraft, characterized in that: It comprises a track frame (1) and a hoop belt (8) symmetrically arranged at the bottom of the track frame (1); A medicine box (5) with a pier seat on a hoop belt (8) is placed inside the frame of the track frame (1), and the track frame (1) and the medicine box (5) are locked and fixed by a locking socket (4); The slide rail ends of the track frame (1) are slidably connected to pulley seats (2) in pairs, and the support ends of the pulley seats (2) are connected to telescopic arms (3); A battery holder (6) is provided at the upper end of the medicine box (5), and a medicine liquid spraying mechanism is provided inside the medicine box (5).

2. The detachable medicine bin structure used in a plant protection aircraft according to claim 1, characterized in that: The upper and lower ends of the support of the pulley seat (2) are symmetrically provided with guide wheels which are slidably connected to the track frame (1).

3. The detachable medicine bin structure used in a plant protection aircraft according to claim 1, characterized in that: The telescopic arm (3) comprises a telescopic screw sleeve (32), one end of which is screwed with a first telescopic screw rod (31) connected to the pulley seat (2), and the other end of which is screwed with a second telescopic screw rod (33), and a mounting seat (34) is provided at the top end of the shaft of the second telescopic screw rod (33).

4. The detachable medicine bin structure used in a plant protection aircraft according to claim 3, characterized in that: The threads of the first telescopic screw (31) and the second telescopic screw (33) are arranged symmetrically in forward and reverse directions along the center of the telescopic screw sleeve (32).

5. The detachable medicine bin structure used in a plant protection aircraft according to claim 1, characterized in that: The locking socket (4) comprises a support seat (41) symmetrically mounted on both sides of the rail frame (1), a locking screw (43) is threadedly connected through the middle of the support seat (41), a knob (42) is provided at one end of the screw rod of the locking screw (43), and a locking column (44) is provided at the other end of the threaded end of the locking screw (43) for pressing against the medicine box (5).

6. The detachable medicine bin structure used in a plant protection aircraft according to claim 5, characterized in that: The medicine box (5) has locking slots (9) symmetrically arranged on both sides of the box body and overlapping with the locking posts (44).

7. The detachable medicine bin structure used in a plant protection aircraft according to claim 1, characterized in that: The liquid medicine spraying mechanism comprises a water pump (11) installed inside the medicine box (5), the liquid suction end of the water pump (11) is connected to a water suction pipe (12), and both ends of the water suction pipe (12) are installed with filter screens (13), the liquid discharge end of the water pump (11) is connected to a drainage pipe (14), and the other end of the drainage pipe (14) passes through the medicine box (5) and is connected to a shunt pipe (15), and the bottom of the shunt pipe (15) is connected to a plurality of nozzles (16).

8. The detachable medicine bin structure used in a plant protection aircraft according to claim 7, characterized in that: The bottom of the medicine box (5) is provided with an inner groove (10) for housing a shunt pipe (15) and a nozzle (16).

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