CN112537440A - Plant protection unmanned aerial vehicle for agricultural - Google Patents

Plant protection unmanned aerial vehicle for agricultural Download PDF

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Publication number
CN112537440A
CN112537440A CN202011570036.5A CN202011570036A CN112537440A CN 112537440 A CN112537440 A CN 112537440A CN 202011570036 A CN202011570036 A CN 202011570036A CN 112537440 A CN112537440 A CN 112537440A
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China
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water tank
unmanned aerial
aerial vehicle
fixedly connected
bracket
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CN202011570036.5A
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CN112537440B (en
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张雷
程军
孙伟
崔磊
贾啸傲
路明顺
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Henan Zhengda Aviation Industry Co ltd
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Henan Zhengda Aviation Industry Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C17/00Aircraft stabilisation not otherwise provided for
    • B64C17/02Aircraft stabilisation not otherwise provided for by gravity or inertia-actuated apparatus
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0082Undercarriages, frames, mountings, couplings, tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/02Undercarriages
    • B64C25/04Arrangement or disposition on aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/32Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/58Arrangements or adaptations of shock-absorbers or springs
    • B64C25/62Spring shock-absorbers; Springs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight
    • B64D1/16Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
    • B64D1/18Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Mechanical Engineering (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

本发明公开了一种农业用植保无人机,包括无人机主体,无人机主体包括控制箱和机臂,所述控制箱的上方固定连接有吊环,所述机臂的下方固定连接有托架总成,所述托架总成包括托架连接杆和托架连接框,所述托架连接框的两侧固定连接有托架铰接杆,所述托架连接框远离托架铰接杆的两侧套接有套接螺柱,所述套接螺柱的下方固定连接有水箱板总成。该农业用植保无人机,通过吊环、托架总成、套接螺柱和水箱板总成的配合设置,使该农业用植保无人机具备了水箱的重心与无人机的重心便于调整进而保证飞行平稳的效果,通过托架总成、支腿总成和弹性支撑轴的配合设置,使该农业用植保无人机具备了落地时支腿可吸收缓冲力进而保护控制箱的效果。

Figure 202011570036

The invention discloses an agricultural plant protection unmanned aerial vehicle, comprising an unmanned aerial vehicle main body, the unmanned aerial vehicle main body comprises a control box and an arm, a lifting ring is fixedly connected to the upper part of the control box, and a lower part of the arm is fixedly connected with a lifting ring. A bracket assembly, the bracket assembly includes a bracket connecting rod and a bracket connecting frame, two sides of the bracket connecting frame are fixedly connected with a bracket hinge rod, and the bracket connecting frame is far away from the bracket hinge rod Two sides of the sleeve are sleeved with sleeve studs, and the lower part of the sleeve studs is fixedly connected with a water tank plate assembly. The agricultural plant protection drone has the center of gravity of the water tank and the center of gravity of the drone through the coordination of the lifting ring, the bracket assembly, the socket stud and the water tank plate assembly, which is easy to adjust. In order to ensure the effect of stable flight, through the cooperation of the bracket assembly, the outrigger assembly and the elastic support shaft, the agricultural plant protection drone has the effect that the outrigger can absorb the buffer force and protect the control box when it lands.

Figure 202011570036

Description

Plant protection unmanned aerial vehicle for agricultural
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an agricultural plant protection unmanned aerial vehicle.
Background
Plant protection unmanned aerial vehicle, the name of the name is an unmanned aircraft who is used for agriculture and forestry plant protection operation, this type unmanned aircraft is by flight platform (fixed wing, helicopter, multiaxis aircraft), the navigation flies the accuse, spray mechanism triplex, fly the accuse through ground remote control or navigation, realize spraying the operation, can spray the medicament, the seed, powder etc., plant protection unmanned aerial vehicle has the operation height low, it is few to drift, can hover in the air, need not special take off and land airport, the downdraft that the rotor produced helps increasing the penetrability of fog flow to the crop, prevention and cure effect is high, remote control operation, spray the operation personnel and avoided exposing in the danger of pesticide, a great deal of advantages such as spraying operation security have been improved.
But current plant protection unmanned aerial vehicle has some not knowing parts in the use, and the focus of water tank and unmanned aerial vehicle's focus on the one hand is not convenient for adjust when a straight line leads to easy crash, and the impact that produces when on the other hand unmanned aerial vehicle falls to the ground greatly leads to being used for breaking down.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an agricultural plant protection unmanned aerial vehicle which has the advantages that the gravity center of a water tank and the gravity center of the unmanned aerial vehicle are convenient to adjust so as to ensure stable flight, supporting legs can absorb buffering force when the unmanned aerial vehicle lands on the ground so as to protect a control box, and the like, and solves the problems that the gravity center of the water tank and the gravity center of the unmanned aerial vehicle are not convenient to adjust in a straight line so as to cause easy crash, and the unmanned aerial vehicle has large impact when falling to the ground so as to cause failure.
(II) technical scheme
In order to realize the purposes that the gravity center of the water tank and the gravity center of the unmanned aerial vehicle are convenient to adjust so as to ensure stable flight and the landing legs of the unmanned aerial vehicle can absorb the buffering force when the unmanned aerial vehicle lands on the ground so as to protect the control box, the invention provides the following technical scheme: an agricultural plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle main body, wherein the unmanned aerial vehicle main body comprises a control box and a machine arm, a lifting ring is fixedly connected above the control box, a bracket assembly is fixedly connected below the machine arm, the bracket assembly comprises a bracket connecting rod and a bracket connecting frame, bracket hinge rods are fixedly connected on two sides of the bracket connecting frame, sleeve studs are sleeved on two sides of the bracket connecting frame away from the bracket hinge rods, a water tank plate assembly is fixedly connected below the sleeve studs, a water tank assembly is inserted below the water tank plate assembly, support leg assemblies are hinged on two sides of the bracket connecting frame close to the bracket hinge rods, each support leg assembly comprises a support leg sleeve and a support leg support tube, a support leg intermediate shaft is fixedly connected between the support leg sleeve and the support leg support tube, and a lower hinge rod is fixedly connected in the middle of the support leg intermediate shaft, an elastic supporting shaft is fixedly connected between the lower hinged rod and the bracket hinged rod.
Preferably, the hanging ring is located in the middle of the upper portion of the control box, and the bracket connecting rods are evenly distributed at four corners of the bracket connecting frame and diverge outwards.
Preferably, the socket stud comprises a screw sleeve, a screw step shaft is fixedly connected to one side of the screw sleeve, and a locking stud is fixedly connected to one end of the screw step shaft.
Preferably, the water tank plate assembly comprises a water tank mounting plate, screw clearance holes are formed in two sides of the water tank mounting plate, the water tank mounting plate is close to the locking block fixedly connected with the upper part of the screw clearance holes, and the water tank mounting plate is fixedly connected with a water tank mounting groove plate below the water tank mounting plate.
Preferably, the elastic support shaft comprises a compression hinged lower sleeve and a compression hinged upper sleeve, a compression rod is fixedly connected in the middle of the compression hinged lower sleeve, a compression sleeve is fixedly connected in the middle of the compression hinged upper sleeve, and a compression spring is inserted in the compression sleeve.
Preferably, a water tank top plate is fixedly connected to the upper portion of the water tank assembly, the water tank mounting groove plate is of an L shape, the distance between the lower transverse plate and the lower surface of the water tank mounting plate is larger than the thickness of the water tank top plate, and a butterfly stud is in threaded connection with the lower portion of the water tank mounting groove plate.
Preferably, the screw sleeve is in clearance fit with the bracket connecting frame, and a locking nut is in threaded connection with the lower part of the locking stud.
Preferably, the number of the landing leg assemblies is two and is symmetrically distributed on two sides of the unmanned aerial vehicle main body, the landing leg supporting tubes are outwards diverged, and the landing leg supporting tubes are lower than the lower surface of the water tank assembly.
Preferably, the water tank mounting plate is provided with the interval with the screw rod step axle, the top of locking piece is provided with the cambered surface, and the radius of cambered surface is the same with the radius of bracket connection frame.
(III) advantageous effects
Compared with the prior art, the invention provides an agricultural plant protection unmanned aerial vehicle, which has the following beneficial effects:
1. this plant protection unmanned aerial vehicle for agricultural, through rings, the bracket assembly, cup joint the cooperation setting of double-screw bolt and water tank board assembly, make this plant protection unmanned aerial vehicle for agricultural possess the focus of water tank and unmanned aerial vehicle's focus be convenient for adjust and then guarantee the steady effect of flight, owing to cup joint the double-screw bolt and can slide all be convenient for adjust the position of water tank board assembly and then be convenient for adjust the focus on the bracket assembly, so be convenient for adjust the position of water tank assembly and then be convenient for adjust the focus because the water tank assembly can slide in water tank board assembly below, can hoist this unmanned aerial vehicle main part level through rings, and then be convenient for observe whether the focus of water tank and the vertical coincidence of the focus of unmanned aerial vehicle main.
2. This plant protection unmanned aerial vehicle for agricultural sets up through the cooperation of bracket assembly, landing leg assembly and elastic support axle, makes this plant protection unmanned aerial vehicle for agricultural possess when falling to the ground the landing leg can absorb the cushion effect of power and then protect the control box, is provided with the elastic support axle between bracket assembly and the landing leg assembly, and the elasticity that the elastic support axle was overcome to this unmanned aerial vehicle when falling to the ground the landing leg assembly is broken way and then is absorbed the buffering toward both sides.
Drawings
Fig. 1 is a schematic structural view of an overall three-dimensional view of an agricultural plant protection unmanned aerial vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a partial enlarged view of an agricultural plant protection unmanned aerial vehicle provided by the invention;
FIG. 3 is a schematic structural diagram of a main view of an agricultural plant protection unmanned aerial vehicle according to the present invention;
fig. 4 is a schematic structural diagram of a partial three-dimensional view of an agricultural plant protection unmanned aerial vehicle according to the present invention;
fig. 5 is a schematic structural diagram of a partial explosion view of an agricultural plant protection unmanned aerial vehicle according to the present invention;
fig. 6 is a schematic structural view of an elastic support shaft of the agricultural plant protection unmanned aerial vehicle provided by the invention.
In the figure: 1. an unmanned aerial vehicle main body; 101. a control box; 102. a horn; 103. a hoisting ring; 104. a bracket assembly; 1041. a bracket connecting rod; 1042. a bracket connection frame; 1043. a bracket hinge rod; 2. sleeving a stud; 201. a screw sleeve; 202. a screw step shaft; 203. locking the stud; 3. a water tank plate assembly; 301. a water tank mounting plate; 302. a screw clearance hole; 303. locking the block; 304. a trough plate is arranged on the water tank; 4. a water tank assembly; 401. a water tank top plate; 5. a leg assembly; 501. a leg sleeve; 502. a supporting tube of the supporting leg; 503. a leg intermediate shaft; 6. a lower hinge rod; 7. an elastic support shaft; 701. compressing and hinging the lower sleeve; 702. compressing and hinging the upper sleeve; 703. a compression rod; 704. compressing the sleeve; 705. a compression spring; 8. a butterfly stud; 9. and locking the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an agricultural plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle body 1, the unmanned aerial vehicle body 1 comprises a control box 101 and a boom 102, a suspension ring 103 is fixedly connected above the control box 101, a bracket assembly 104 is fixedly connected below the boom 102, the suspension ring 103 is located at the middle position above the control box 101, the bracket assembly 104 comprises a bracket connecting rod 1041 and a bracket connecting frame 1042, two sides of the bracket connecting frame 1042 are fixedly connected with bracket hinge rods 1043, the bracket connecting rods 1041 are uniformly distributed at four corners of the bracket connecting frame 1042 and diverge outwards, two sides of the bracket connecting frame 1042 far away from the bracket hinge rods 1043 are sleeved with socket studs 2, the socket studs 2 comprise screw sleeves 201, one side of the screw sleeves 201 is fixedly connected with screw step shafts 202, one end of the screw step shafts 202 is fixedly connected with locking studs 203, the screw sleeves 201 are in clearance fit with the bracket connecting frame 1042, the lower part of the locking stud 203 is in threaded connection with a locking nut 9, the lower part of the socket stud 2 is fixedly connected with a water tank plate assembly 3, the water tank plate assembly 3 comprises a water tank mounting plate 301, two sides of the water tank mounting plate 301 are provided with screw clearance holes 302, the upper part of the water tank mounting plate 301 close to the screw clearance holes 302 is fixedly connected with a locking block 303, the lower part of the water tank mounting plate 301 is fixedly connected with a water tank mounting groove plate 304, the water tank mounting plate 301 and the screw step shaft 202 are provided with a distance, the upper part of the locking block 303 is provided with a cambered surface, the radius of the cambered surface is the same as that of the bracket connecting frame 1042, the lower part of the water tank plate assembly 3 is inserted with a water tank assembly 4, the upper part of the water tank assembly 4 is fixedly connected with a water tank top plate 401, the water tank mounting groove plate 304 is in an L shape, the distance between the lower transverse plate and the lower surface, the both sides that bracket link frame 1042 is close to bracket articulated pole 1043 articulate there is landing leg assembly 5, landing leg assembly 5 includes landing leg sleeve 501 and landing leg supporting tube 502, fixedly connected with landing leg jackshaft 503 between landing leg sleeve 501 and the landing leg supporting tube 502, the quantity of landing leg assembly 5 is two symmetric distribution in unmanned aerial vehicle main part 1 both sides, the toward outer division of landing leg supporting tube 502, landing leg supporting tube 502 is less than the lower surface of water tank assembly 4, the middle fixedly connected with below articulated pole 6 of landing leg jackshaft 503, fixedly connected with elasticity back shaft 7 between below articulated pole 6 and the bracket articulated pole 1043, elasticity back shaft 7 includes that the articulated sleeve 701 of compression articulates lower sleeve 701 and compression articulates and goes up sleeve 702, the articulated middle fixedly connected with compression pole 703 of sleeve 701 of compression, the articulated middle fixedly connected with compression sleeve 704 of going up sleeve 702 of compression, compression spring 705 is pegged graft to the inside of compression sleeve.
When the unmanned aerial vehicle main body 1 is lifted by the hanging ring 103 alone, the arm 102 is horizontal, which indicates that the vertical direction of the hanging ring 103 coincides with the gravity center of the unmanned aerial vehicle main body 1, then the water tank assembly 4 is fixedly connected below the unmanned aerial vehicle main body 1 in advance, at the moment, the butterfly stud 8 and the lock nut 9 are both in an unlocked state, and the translation direction of the water tank plate assembly 3 relative to the bracket assembly 104 is vertical to the translation direction of the water tank assembly 4 relative to the water tank plate assembly 3, water is further filled into the water tank assembly 4, then the unmanned aerial vehicle is integrally lifted by the hanging ring 103 again, if the arm 102 is horizontal at the moment, which indicates that the gravity center of the water tank assembly 4 coincides with the vertical direction of the gravity center of the unmanned aerial vehicle main body 1, if the arm 102 is not horizontal at the moment, the position of the water tank plate assembly 3 relative to the bracket assembly 104 is further adjusted, and the position of the water tank assembly 4 relative, until horn 102 is in the horizontality, then screw up butterfly stud 8 and lock nut 9 simultaneously, and then realize the focus of the adjustment water tank of being convenient for and unmanned aerial vehicle's focus, landing leg supporting tube 502 lands earlier when unmanned aerial vehicle lands, if the earth of landing point is softer, this landing leg supporting tube 502 directly sinks into ground and can alleviate the buffering, if the ground of landing point is very hard, because the below of landing leg assembly 5 is taken off outwards, because unmanned aerial vehicle main part 1's inertia when landing leg supporting tube 502 lands, make landing leg supporting tube 502 overcome compression spring 705's elasticity and continue to open outwards, and then play the effect that alleviates the buffering.
To sum up, the agricultural plant protection unmanned aerial vehicle has the effects that the center of gravity of the water tank and the center of gravity of the unmanned aerial vehicle are convenient to adjust and the flying stability is ensured by the matching arrangement of the hanging ring 103, the bracket assembly 104, the socket stud 2 and the water tank plate assembly 3, the socket stud 2 can slide on the bracket assembly 104 to facilitate the adjustment of the position of the water tank plate assembly 3 and the adjustment of the center of gravity, the water tank assembly 4 can slide below the water tank plate assembly 3 to facilitate the adjustment of the position of the water tank assembly 4 and the adjustment of the center of gravity, the main body 1 of the unmanned aerial vehicle can be horizontally lifted by the hanging ring 103 to facilitate the observation of whether the center of gravity of the water tank vertically coincides with the center of gravity of the main body 1 of the unmanned aerial vehicle, and the supporting leg assembly 5 and the elastic supporting shaft 7 are matched to ensure that the supporting legs can absorb the buffering force when the unmanned aerial vehicle falls to the ground so as to protect the control box, an elastic supporting shaft 7 is arranged between the bracket assembly 104 and the supporting leg assembly 5, and when the unmanned aerial vehicle lands on the ground, the supporting leg assembly 5 overcomes the elasticity of the elastic supporting shaft 7 and diverges towards two sides to absorb buffering.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a plant protection unmanned aerial vehicle for agricultural, includes unmanned aerial vehicle main part (1), its characterized in that: the unmanned aerial vehicle main body (1) comprises a control box (101) and a horn (102), a lifting ring (103) is fixedly connected to the upper portion of the control box (101), a bracket assembly (104) is fixedly connected to the lower portion of the horn (102), the bracket assembly (104) comprises a bracket connecting rod (1041) and a bracket connecting frame (1042), bracket hinged rods (1043) are fixedly connected to the two sides of the bracket connecting frame (1042), socket studs (2) are sleeved on the two sides of the bracket connecting frame (1042) far away from the bracket hinged rods (1043), a water tank plate assembly (3) is fixedly connected to the lower portion of the socket studs (2), a water tank assembly (4) is inserted into the lower portion of the water tank plate assembly (3), support leg assemblies (5) are hinged to the two sides of the bracket connecting frame (1042) close to the bracket hinged rods (1043), each support leg assembly (5) comprises a support leg sleeve (501) and a support leg support tube (502), the supporting leg support structure is characterized in that a supporting leg intermediate shaft (503) is fixedly connected between the supporting leg sleeve (501) and the supporting leg support tube (502), a lower hinged rod (6) is fixedly connected in the middle of the supporting leg intermediate shaft (503), and an elastic support shaft (7) is fixedly connected between the lower hinged rod (6) and the bracket hinged rod (1043).
2. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein: the lifting rings (103) are located in the middle of the upper portion of the control box (101), and the bracket connecting rods (1041) are evenly distributed at four corners of the bracket connecting frame (1042) and are outwards diverged.
3. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein: the socket joint stud (2) comprises a screw sleeve (201), one side of the screw sleeve (201) is fixedly connected with a screw step shaft (202), and one end of the screw step shaft (202) is fixedly connected with a locking stud (203).
4. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein: the water tank plate assembly (3) comprises a water tank mounting plate (301), screw clearance holes (302) are formed in two sides of the water tank mounting plate (301), a locking block (303) is fixedly connected to the upper portion of the water tank mounting plate (301) close to the screw clearance holes (302), and a water tank mounting groove plate (304) is fixedly connected to the lower portion of the water tank mounting plate (301).
5. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein: the elastic support shaft (7) comprises a compression hinged lower sleeve (701) and a compression hinged upper sleeve (702), a compression rod (703) is fixedly connected to the middle of the compression hinged lower sleeve (701), a compression sleeve (704) is fixedly connected to the middle of the compression hinged upper sleeve (702), and a compression spring (705) is inserted into the compression sleeve (704).
6. The agricultural plant protection unmanned aerial vehicle of claim 4, wherein: the water tank is characterized in that a water tank top plate (401) is fixedly connected to the upper portion of the water tank assembly (4), the water tank mounting groove plate (304) is L-shaped, the distance between the lower transverse plate and the lower surface of the water tank mounting plate (301) is larger than the thickness of the water tank top plate (401), and a butterfly stud (8) is in threaded connection with the lower portion of the water tank mounting groove plate (304).
7. The agricultural plant protection unmanned aerial vehicle of claim 4, wherein: the screw rod sleeve (201) is in clearance fit with the bracket connecting frame (1042), and a locking nut (9) is in threaded connection with the lower portion of the locking stud (203).
8. The agricultural plant protection unmanned aerial vehicle of claim 1, wherein: the number of landing leg assembly (5) is two symmetric distributions in unmanned aerial vehicle main part (1) both sides, the outside division of landing leg supporting tube (502), landing leg supporting tube (502) are less than the lower surface of water tank assembly (4).
9. The agricultural plant protection unmanned aerial vehicle of claim 4, wherein: the water tank mounting plate (301) and the screw step shaft (202) are provided with a distance, an arc surface is arranged above the locking block (303), and the radius of the arc surface is the same as that of the bracket connecting frame (1042).
CN202011570036.5A 2020-12-26 2020-12-26 Agricultural plant protection drone Active CN112537440B (en)

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CN214356645U (en) * 2020-12-26 2021-10-08 河南正大航空工业股份有限公司 Plant protection unmanned aerial vehicle for agricultural

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CN113650779A (en) * 2021-08-10 2021-11-16 山东翼智城智能技术有限公司 Modularization agricultural intelligence unmanned aerial vehicle subassembly
CN118092489A (en) * 2024-02-29 2024-05-28 广州迪测智能科技有限公司 Multi-aircraft collaborative operation system

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