CN-224211286-U - Agricultural plant protection unmanned aerial vehicle

CN224211286UCN 224211286 UCN224211286 UCN 224211286UCN-224211286-U

Abstract

The utility model relates to the technical field of agricultural unmanned aerial vehicles and discloses an agricultural plant protection unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein the bottom of the unmanned aerial vehicle body is fixedly connected with a medicine box, the periphery side is fixedly connected with a plurality of fixing rods, the end part of each fixing rod is connected with an organic arm through a folding assembly, the folding assembly comprises a sleeve fixedly connected with the fixing rods, a through groove is formed in one side wall of the sleeve, a rotating shaft is rotatably connected with the side wall of the sleeve, a connecting block is fixedly connected to the rotating shaft, the organic arm is fixedly connected to the side of the connecting block, a pressing plate is arranged on the connecting block, the pressing plate is connected with a locking pin capable of transversely sliding, a locking groove is formed in the side wall of the sleeve, the locking pin can be embedded into the locking groove to limit the organic arm to rotate, and a first reset spring is sleeved on the locking pin and is used for driving the locking pin to be embedded into the locking groove. The folding type unmanned aerial vehicle has the advantages that the folding type unmanned aerial vehicle structure is adopted, the rapid folding of the unmanned aerial vehicle is realized, the transportation and storage space requirements are remarkably reduced, and the convenience of the agricultural unmanned aerial vehicle is improved.

Inventors

XIANG JINGGUO
ZHOU JIN
SHEN QIANG
XU YEPING

Assignees

湖南森江智保科技有限责任公司

Dates

Publication Date: 20260508
Application Date: 20250630

Claims (6)

1. The agricultural plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), wherein a medicine box (3) is fixedly connected to the bottom of the unmanned aerial vehicle body (1), a plurality of fixing rods (2) are fixedly connected to the periphery of the unmanned aerial vehicle body (1), each fixing rod (2) is connected with a horn (6) through a folding component, the folding component comprises a sleeve (4) fixedly connected with the fixing rods (2), a through groove is formed in one side wall of the sleeve (4), a rotating shaft (5) is rotatably connected to the side wall of the sleeve (4) on one side of the through groove, a connecting block (7) is fixedly connected to the rotating shaft (5), the horn (6) is fixedly connected to the side of the connecting block (7), a pressing plate (11) is arranged on the connecting block (7), a locking pin (8) capable of transversely sliding is connected to the pressing plate, a locking groove (12) is formed in the side wall of the sleeve (4), the locking pin (8) can be embedded into the locking groove (12) to limit the rotation of the horn (6), and a first reset pin (8) is embedded into the locking groove (10).
2. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein the first limiting plate (9) is fixedly arranged on the locking pin (8), one end of the first return spring (10) is abutted to the first limiting plate (9), and the other end of the first return spring is abutted to the inner wall of the horn (6).
3. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein a spraying pipe (13) communicated with the medicine box (3) is fixedly connected to the unmanned aerial vehicle body (1), and a plurality of nozzles (14) are fixedly connected to the outer wall of the spraying pipe (13).
4. The agricultural plant protection unmanned aerial vehicle according to claim 3, wherein the tail end in the spraying pipe (13) is detachably connected with an extension pipe (15) through a connecting mechanism, the connecting mechanism comprises a connecting pipe (16) fixedly connected to the end part of the extension pipe (15), the connecting pipe (16) is inserted into an inner cavity of the spraying pipe (13), an annular clamping groove (17) is formed in the outer wall of the connecting pipe (16), a steel ball (19) is arranged in a through hole in the side wall of the spraying pipe (13), the steel ball (19) can be partially embedded into the clamping groove (17), a disassembling sleeve (20) is arranged on the outer wall of the spraying pipe (13) in a sliding sleeve mode and used for pushing the steel ball (19) to be separated from the clamping groove (17), and a compression spring (21) is sleeved between the spraying pipe (13) and the disassembling sleeve (20) and used for keeping a locking state of the steel ball (19).
5. The agricultural plant protection unmanned aerial vehicle of claim 4, wherein the spray pipe (13) is internally provided with a self-sealing valve, the self-sealing valve comprises a valve seat (22) fixed in an inner cavity of the spray pipe (13), a radial penetrating groove (23) is formed in the side wall of the valve seat (22), a push rod (24) is arranged on the side wall of the valve seat (22) in a sliding mode, a baffle (25) is arranged at one end, far away from the connecting pipe (16), of the push rod (24), a sealing ring (26) is sleeved on the push rod (24), the sealing ring (26) is tightly attached to the inner wall of the valve seat (22) in a normal state, a limiting plate II (28) is fixedly connected to the outer wall of the push rod (24), a second reset spring (27) is sleeved on the push rod (24), one end of the second reset spring (27) is abutted to the limiting plate II, and the other end of the second reset spring is abutted to the inner wall of the valve seat (22) and is used for driving the baffle (25) to drive the sealing ring (26) to seal a flow channel.
6. The agricultural plant protection unmanned aerial vehicle of claim 5, wherein a top plate (18) is arranged in the connecting pipe (16), and when the connecting pipe (16) is inserted, the top plate (18) pushes the ejector rod (24) to move in a direction away from the connecting pipe (16), so that the baffle (25) drives the sealing ring (26) to separate from the valve seat (22) to form a flow passage.

Description

Agricultural plant protection unmanned aerial vehicle Technical Field The utility model relates to the technical field of agricultural unmanned aerial vehicles, in particular to an agricultural plant protection unmanned aerial vehicle. Background In modern agricultural production, plant protection work has gradually been turned from traditional manual work to efficient, intelligent unmanned operation. The agricultural plant protection unmanned aerial vehicle is used as key equipment for realizing accurate spraying, automatic inspection and data acquisition, and has remarkable advantages in the aspects of improving pesticide utilization rate, reducing labor cost, reducing environmental pollution and the like. With the development of agricultural unmanned aerial vehicle technology, the structural integration level of the unmanned aerial vehicle is continuously improved, the functions are increasingly diversified, and the unmanned aerial vehicle is widely applied to plant protection links of various crops such as fields, orchards, paddy fields and the like, and becomes an important tool for promoting intelligent agricultural development. The existing agricultural plant protection unmanned aerial vehicle generally adopts a rigid horn structure to provide stable power output and flight attitude control, and a spraying component of the existing agricultural plant protection unmanned aerial vehicle is mainly of a fixed structure, and completes uniform spraying operation of liquid pesticide or fertilizer through integrated layout. In the aspect of structural connection, the assembly of parts is usually realized by adopting a mechanical buckle or bolt connection mode, meanwhile, the spraying on-off of a part of machine types is controlled by a power pipeline and a manual valve, and the whole rigidity of a part of machine arm structures is guaranteed by adopting a non-foldable design. Although the structure has certain stability and strength, the structure has certain limitation in portability and modularization expansibility. However, the existing agricultural unmanned aerial vehicle is of a fixed structure, so that the whole size is large, the storage and the transportation are inconvenient when the unmanned aerial vehicle is not operated, the occupied space is large, the use flexibility of the unmanned aerial vehicle in a terrain complex or transportation limited environment is limited, the operation convenience and the on-site deployment efficiency of equipment are reduced, and the increasingly-increased application demands on the portable and foldable plant protection unmanned aerial vehicle structure are difficult to meet. Disclosure of Invention In order to make up for the defects, the utility model provides an agricultural plant protection unmanned aerial vehicle, and aims to solve the problems of low folding efficiency of a horn and poor adaptability of a spraying system. In order to achieve the purpose, the agricultural plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a medicine box is fixedly connected to the bottom of the unmanned aerial vehicle body, a plurality of fixing rods are fixedly connected to the periphery of the unmanned aerial vehicle body, the end portion of each fixing rod is connected with an organic arm through a folding assembly, the folding assembly comprises a sleeve fixedly connected with the fixing rods, a through groove is formed in one side wall of the sleeve, a rotating shaft is rotatably connected to the side wall of the sleeve, a connecting block is fixedly connected to the rotating shaft, the organic arms are fixedly connected to the side of the connecting block, a pressing plate is arranged on the connecting block, a locking pin capable of transversely sliding is connected to the pressing plate, a locking groove is formed in the side wall of the sleeve, the locking pin can be embedded into the locking groove to limit the organic arms to rotate, and a first reset spring is sleeved on the locking pin and used for driving the locking pin to be embedded into the locking groove. As further description of the technical scheme, the first limiting plate is fixedly arranged on the locking pin, one end of the first return spring is abutted against the first limiting plate, and the other end of the first return spring is abutted against the inner wall of the arm. As further description of the technical scheme, the unmanned aerial vehicle body is fixedly connected with a spraying pipe communicated with the medicine box, and the outer wall of the spraying pipe is fixedly connected with a plurality of nozzles. The spray pipe is characterized in that the tail end in the spray pipe is detachably connected with an extension pipe through a connecting mechanism, the connecting mechanism comprises a connecting pipe fixedly connected to the end part of the extension pipe, the connecting pipe is inserted into the inner cavity of the spray pipe, an annular c