CN111776225A

CN111776225A - Many rotors unmanned aerial vehicle that laxative

Info

Publication number: CN111776225A
Application number: CN202010699748.0A
Authority: CN
Inventors: 王东明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2020-10-16
Anticipated expiration: 2040-07-17
Also published as: CN111776225B

Abstract

The invention relates to the technical field of agricultural unmanned aerial vehicles and discloses a multi-rotor pesticide spraying unmanned aerial vehicle which comprises a vehicle body, wherein supporting rods are fixedly installed on four sides of the vehicle body, one side, close to the vehicle body, of each supporting rod is broken and fixedly provided with a bending head, and a first motor is fixedly installed on the upper surface of one end of each supporting rod. This unmanned aerial vehicle is made up to many rotors, through movable mounting's high pressure nozzle and pendulum rod clearance fit, at driving gear one, driving gear two, awl tooth one, awl tooth two. Under the transmission cooperation of rotation tooth for high pressure nozzle when spraying the medicine fog, ascending reverse action power converts the displacement of pendulum rod into, converts the revolving force of driving tooth one again, and it is rotatory to rotate the tooth and drive the fog head, makes spun medicine fog have the rotary force, and the rotatory downward spray range of medicine fog is wider, and the direction is the slope downwards, produces the air current at the rotor and blows under the combined action that crops slope, and the medicine fog is direct to reach the crops bottom more fully.

Description

Many rotors unmanned aerial vehicle that laxative

Technical Field

The invention relates to the technical field of agricultural unmanned aerial vehicles, in particular to a multi-rotor pesticide spraying unmanned aerial vehicle.

Background

As a big agricultural country in China, a lot of basic farmlands exist, a large amount of agricultural plant protection operation is needed every year, the number of people suffering from pesticide poisoning in China is large every year, the technology of spraying pesticides by unmanned aerial vehicles needs to be developed, the rotor wing pesticide spraying unmanned aerial vehicle can load 8-10 kilograms of pesticides, the pesticides are sprayed at low altitude, one mu of land can be sprayed per minute, and the spraying efficiency is thirty times that of the traditional manual method.

Present many rotors unmanned aerial vehicle that laxies, add into the medicine case behind the pesticide mixing water, the staff utilizes remote controller control unmanned aerial vehicle rotor rotation rate in the field, thereby control unmanned aerial vehicle flight advances, the mixed liquid of pesticide in the medicine case gets into the water knockout drum simultaneously, the mixed liquid of pesticide after the part leads to pipe and gets into corresponding peristaltic pump, the mixed liquid pressurization of pesticide that corresponds convection current, make the pesticide carry high pressure nozzle, under high pressure nozzle's atomization, the mixed liquid of pesticide becomes vaporific blowout, under the down air current effect that the rotor that corresponds in each high pressure nozzle top produced, the downward penetrating power of medicine fog is strengthened.

When the multi-rotor pesticide spraying unmanned aerial vehicle works, the high-pressure spray head has upward acting force on the support rod when spraying pesticide mist, and the support rod extends out of the machine body, so that the support rod shakes under the action of rotation of the rotor and the upward acting force of the high-pressure spray head, the rotor mounted on the support rod shakes, and the unmanned aerial vehicle is unstable in flight; the number of peristaltic pump is the same with the rotor number, is four under the general condition, and four peristaltic pump simultaneous workings consume the electric energy too much, cause unmanned aerial vehicle to store electric energy consumption too fast, and unmanned aerial vehicle flight time shortens.

Disclosure of Invention

The invention provides a multi-rotor pesticide spraying unmanned aerial vehicle which has the advantages of more stable flight of the unmanned aerial vehicle and less consumption of pressurization power consumption of pesticide mixtures, and solves the problems that the high-pressure spray head sprays pesticide mist, the unmanned aerial vehicle has unstable flight, a plurality of peristaltic pumps are higher in setting power consumption, and the unmanned aerial vehicle is short in flight time.

The invention provides the following technical scheme: a multi-rotor pesticide spraying unmanned aerial vehicle comprises a machine body, wherein a supporting rod is fixedly mounted on four sides of the machine body, one side of the supporting rod, which is close to the machine body, is broken and fixedly provided with a bending head, a first motor is fixedly mounted on the upper surface of one end of the supporting rod, a rotor is fixedly sleeved on the upper surface of the first motor, a water pipe is fixedly mounted on the lower surface of the supporting rod, a bracket is fixedly mounted on the lower surface of the machine body, a water tank is fixedly mounted on the lower surface of the machine body and matched with the bracket, a water distributor is fixedly mounted at the bottom of the water tank, a high-pressure spray head is movably sleeved on the lower surface of one end of the supporting rod, a second motor is fixedly mounted in the middle of the lower surface of the machine body, a rotating rod is arranged at the bottom end of the second, the utility model discloses a fog head, including bracing piece, push rod, pendulum rod, spring, driving tooth one, driving tooth two, one side meshing of driving tooth two has awl tooth one, the lower part meshing of awl tooth one has awl tooth two, the below of awl tooth two has the rotation tooth through the axle transmission, rotation tooth and the meshing of fog head surface sawtooth.

Preferably, the upper part of the rotating rod is fixedly provided with a rotating blade, the rotating blade is positioned above the water tank, the upper cover of the water tank is provided with a groove matched with the rotating blade, the outer surface of the rotating rod is movably sleeved with a movable ring, the outer surface of the movable ring is fixedly provided with a stretching pressing sheet, the stretching pressing sheet is fixedly arranged on the upper part of the inner surface of the water tank, the upper part of the back surface of the water tank is fixedly provided with an exhaust groove, and the exhaust groove is positioned between the top of the water tank and the stretching pressing sheet.

Preferably, the exhaust groove is located in the opposite direction of the advancing direction of the water tank, and the outlet direction is inclined downwards.

Preferably, the stretching pressing sheet is made of elastic rubber and is arranged in the water tank in a conical shape.

Preferably, the length of the rotating rod is matched with the length of the liquid medicine outlet at the bottom of the water tank.

Preferably, the lower surface of the machine body is a streamline bottom plate, and the streamline bottom plate is a streamline cambered surface.

Preferably, the other end of the spring is fixed with the top of the inner cavity of the support rod, the swing rod is meshed with a central protruding shaft gear of the first transmission gear, and spray holes of the high-pressure spray head are in annular distribution fit with spray holes of the spray head.

Preferably, the outer surface of the spray head is provided with a saw-toothed structure, the length of saw teeth of the spray head is longer than the upward moving distance of the high-pressure spray head, and the rotating teeth are meshed with the upper part of the spray head in a non-operating state.

The invention has the following beneficial effects:

1. this unmanned aerial vehicle is made up a prescription to many rotors, high pressure nozzle and pendulum rod clearance fit through movable mounting, at driving tooth one, driving tooth two, awl tooth one, awl tooth two, rotate under the transmission cooperation of tooth, make high pressure nozzle when spraying the medicine fog, ascending reverse acting force, the displacement of converting into the pendulum rod, convert the revolving force of driving tooth one again, it is rotatory to rotate tooth drive fog head, make spun medicine fog have the revolving force, the rotatory downward spray scope of medicine fog is wider, and the direction is downward for the slope, produce the combined action that the air current blown crops slope at the rotor under, the medicine fog directly reachs the crops bottom more fully.

2. This unmanned aerial vehicle of making up a prescription of many rotors, it is rotatory with the helicla flute to drive the dwang through two motors, the bottom export normal running fit of dwang and water tank, the liquid medicine of dwang in to the water tank has the pressurization to carry the effect, carry the liquid medicine pressurization in the water knockout drum, carry each high pressure nozzle with liquid medicine homodisperse through the water knockout drum in, pressurize through a power unit motor two, reduce the consumption of battery in the organism, unmanned aerial vehicle lasts the flight time longer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of one end of the support bar of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a side view schematic diagram of the medicine box of the present invention.

In the figure: 1. a body; 2. a support bar; 3. bending the head; 4. a first motor; 5. a rotor; 6. a high pressure spray head; 7. a water pipe; 8. a support; 9. a water tank; 10. a water separator; 11. a second motor; 12. rotating the rod; 13. a helical groove; 14. atomizing; 15. a push rod; 16. a swing rod; 17. a spring; 18. a first transmission gear; 19. a second transmission gear; 20. a first bevel gear; 21. a second bevel gear; 22. rotating the teeth; 23. rotating the leaf; 24. a movable ring; 25. stretching and tabletting; 26. an exhaust groove; 27. a streamline bottom plate.

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. 1-4, a multi-rotor unmanned aerial vehicle for insecticide spraying comprises a main body 1, a support rod 2 is fixedly installed on four sides of the main body 1, one side of the support rod 2, which is close to the main body 1, is broken and fixedly installed with a bending head 3, a motor 1 is fixedly installed on the upper surface of one end of the support rod 2, a rotor 5 is fixedly sleeved on the upper surface of the motor 4, a water pipe 7 is fixedly installed on the lower surface of the support rod 2, a bracket 8 is fixedly installed on the lower surface of the main body 1, a water tank 9 is fixedly installed on the lower surface of the main body 1 and matched with the bracket 8, a water distributor 10 is fixedly installed at the bottom of the water tank 9, a high-pressure nozzle 6 is movably sleeved on the lower surface of one end of the support rod 2, a motor two 11 is fixedly installed in the middle of the lower surface of the main body 1, the top fixed mounting of high pressure nozzle 6 has push rod 15, the inside of bracing piece 2 one end and with push rod 15 cooperation movable mounting have pendulum rod 16, the top fixed mounting of pendulum rod 16 has spring 17, the internal surface meshing of pendulum rod 16 has driving tooth one 18, one side meshing of driving tooth one 18 has driving tooth two 19, one side meshing of driving tooth two 19 has awl tooth one 20, the lower part meshing of awl tooth one 20 has awl tooth two 21, there is rotation tooth 22 below of awl tooth two 21 through the axle transmission,

rotation tooth

22 and 14 outer surface sawtooth meshing of fog head.

Wherein, the upper portion fixed mounting of dwang 12 has rotating vane 23, rotating vane 23 is located the top of water tank 9, the upper cover of water tank 9 is opened and is equipped with the groove with rotating vane 23 complex, the surface movable sleeve of dwang 12 is equipped with loose collar 24, the surface fixed mounting of loose collar 24 has tensile preforming 25, the upper portion fixed mounting of tensile preforming 25 and water tank 9 internal surface, the upper portion fixed mounting at the water tank 9 back has exhaust duct 26, exhaust duct 26 is located between the top of water tank 9 and the tensile preforming 25, through the loose collar 24 of cooperation installation, tensile preforming 25, under the air current that rotating vane 23 rotated and blows in, can have a downward collision extrusion force to tensile preforming 25, can have further pressurization effect to the liquid medicine in the water tank 9, the liquid medicine that pressurizes fully is under the effect of high pressure nozzle 6, it is vaporific better to be present.

Wherein, exhaust duct 26 is located the opposite direction of water tank 9 advancing direction, and the export direction is downward to one side, through the exhaust duct 26 that sets up for the air current that revolving leaf 23 blew into downwards pushes up tensile preforming 25 and pressurizes the back, sprays out through exhaust duct 26, to the medicine fog that scatters in the air at the back, blows once more to and the crops of below blow askewly, further make the medicine can fall the bottom of crops, the effect of killing pesticides and removing harmful is stronger.

Wherein, tensile preforming 25 is made for elastic rubber, is the toper and sets up in water tank 9, makes tensile preforming 25 can take place deformation to pressurize the liquid medicine under the effect of revolving leaf 23 through gliding movable ring 24, and the tensile preforming 25 of toper for the liquid medicine after the pressurization overflows tensile preforming 25 upper surface, still can slide and pressurize in dwang 12.

Wherein, the length of dwang 12 and the liquid medicine export length cooperation of water tank 9 bottom, through the helicla flute 13 length that sets up, guarantee that helicla flute 13 has the effect of pressurization transport, do not hinder activity ring 24 downward movement again, the deformation pressurization effect of tensile preforming 25 of control.

Wherein, the lower surface of organism 1 sets up to streamline bottom plate 27, and streamline bottom plate 27 is the streamline cambered surface, through the streamline bottom plate 27 that sets up for from the air acceleration of streamline bottom plate 27 process, the intensity of blowing downwards of rotatory leaf 23 is guaranteed to the very fast velocity of flow, because the effect of breathing in of rotatory leaf 23, makes to form the negative pressure between rotatory leaf 23 and the streamline bottom plate 27, makes organism 1 have the power in an orientation, and unmanned aerial vehicle rises more easily.

The other end of the spring 17 is fixed to the top of the inner cavity of the support rod 2, the swing rod 16 is in gear engagement with a central protruding shaft of the first transmission gear 18, spray holes of the high-pressure spray heads (6) are in annular distribution fit with spray holes of the fog heads (14), through the cooperation of the swing rod 16 and the spring 17, the high-pressure spray heads (6) move upwards under the reaction force when spraying the pesticide mist, the fog heads (14) rotate under the transmission of the first transmission gear 18, the spray holes of the fog heads (14) are communicated with the spray holes of the high-pressure spray heads (6) in a staggered mode, the upward reaction force of the high-pressure spray heads (6) appears at intervals, the swing rod (16) swings in a reciprocating mode, the fog heads (14) are driven to rotate in a reciprocating mode, the pesticide mist is sprayed in a reciprocating mode.

Wherein, the jagged structure has been seted up to fog head 14, and the sawtooth length ratio of fog head 14 is longer than high-pressure nozzle 6 distance of moving up, rotates the tooth 22 and meshes with the upper portion of fog head 14 under the inoperative condition, through the uneven fog head 14 of thickness and the cooperation of rotating tooth 22 for fog head 14 still can mesh with rotating tooth 22 after reciprocating, guarantees to rotate the revolving force that tooth 22 transmission given fog head 14, and the medicine fog can rotate all the time and spray.

The working principle of the pesticide spraying unmanned aerial vehicle is as follows:

pesticide and water are mixed and injected into a water tank 9, a worker controls a first motor 4 to work through a remote controller to drive a rotor wing 5 to rotate, so that a machine body 1 rises, a second motor 11 works to drive a rotating rod 12 to rotate, a spiral groove 13 pressurizes and conveys liquid medicine to the inside of a water distributor 10, the water distributor 10 uniformly and separately conveys the liquid medicine to each high-pressure spray nozzle 6, the high-pressure spray nozzles 6 spray the liquid medicine in a foggy shape, the reaction force of the water spray pushes a push rod 15 to move upwards to enable a swing rod 16 to move upwards to be meshed with a central cam gear of a first transmission gear 18, and under the elastic recovery action of a spring 17, the rotating teeth 22 can continuously drive a fog head 14 to rotate in a reciprocating manner, the fog head 14 rotates to be in staggered fit with the spray holes of the high-pressure spray nozzles 6, the upward force in the high-pressure spray nozzles 6 is changed, and the, the direction of the pesticide fog changes continuously and can reach the root of crops more easily, the rotating blade 23 rotates under the action of the rotating rod 12, the airflow below the streamline bottom plate 27 is conveyed to the upper part of the inner cavity of the water tank 9, the movable ring 24 is blown to move downwards, the stretching pressing sheet 25 is enabled to deform to pressurize the pesticide, the airflow is discharged from the exhaust groove 26, and the pesticide fog dissipated in the air at the back is further blown to the root of the crops.

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.

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

1. The utility model provides an unmanned aerial vehicle is beaten to many rotors, includes organism (1), bracing piece (2) are installed on the four sides of organism (1), elbow (3) are installed in bracing piece (2), motor (4) cover is equipped with rotor (5), water pipe (7) are installed in bracing piece (2), support (8) are installed in organism (1), water tank (9) are installed in organism (1), water knockout drum (10), its characterized in that are installed in water tank (9): the lower surface movable sleeve of bracing piece (2) one end is equipped with high pressure nozzle (6), the middle part fixed mounting of organism (1) lower surface has motor two (11), there is dwang (12) bottom that the bottom of motor two (11) stretches out to water tank (9), the lower extreme integrated into one piece of dwang (12) has helicla flute (13), high pressure nozzle (6) are including fog head (14), the top fixed mounting of high pressure nozzle (6) has push rod (15), the inside of bracing piece (2) one end and have pendulum rod (16) with push rod (15) cooperation movable mounting, the top fixed mounting of pendulum rod (16) has spring (17), the internal surface meshing of pendulum rod (16) has transmission tooth (18), one side meshing of transmission tooth (18) has transmission tooth two (19), one side meshing of transmission tooth two (19) has awl tooth (20), the lower part of the first bevel gear (20) is meshed with a second bevel gear (21), a rotating gear (22) is arranged below the second bevel gear (21) through shaft transmission, and the rotating gear (22) is meshed with the outer surface of the fog head (14) in a sawtooth mode.

2. A multi-rotor insecticide spraying drone according to claim 1, characterized in that: the upper portion fixed mounting of dwang (12) has revolving leaf (23), revolving leaf (23) are located the top of water tank (9), the upper cover of water tank (9) is opened and is equipped with and revolving leaf (23) complex groove, the surface movable sleeve of dwang (12) is equipped with loose ring (24), the fixed surface of loose ring (24) installs tensile preforming (25), the upper portion fixed mounting of tensile preforming (25) and water tank (9) internal surface, the upper portion fixed mounting at the water tank (9) back has exhaust duct (26), exhaust duct (26) are located between the top of water tank (9) and tensile preforming (25).

3. A multi-rotor insecticide spraying drone according to claim 2, characterized in that: the exhaust groove (26) is positioned in the opposite direction of the advancing direction of the water tank (9), and the outlet direction is inclined downwards.

4. A multi-rotor insecticide spraying drone according to claim 2, characterized in that: the stretching pressing sheet (25) is made of elastic rubber and is arranged in the water tank (9) in a conical shape.

5. A multi-rotor insecticide spraying drone according to claim 1, characterized in that: the length of the rotating rod (12) is matched with the length of a liquid medicine outlet at the bottom of the water tank (9).

6. A multi-rotor insecticide spraying drone according to claim 1, characterized in that: the lower surface of the machine body (1) is provided with a streamline bottom plate (27), and the streamline bottom plate (27) is a streamline cambered surface.

7. A multi-rotor insecticide spraying drone according to claim 1, characterized in that: the other end of the spring (17) is fixed with the top of the inner cavity of the support rod (2), the swing rod (16) is meshed with a central protruding shaft gear of the first transmission gear (18), and spray holes of the high-pressure spray head (6) are matched with spray holes of the spray head (14) in an annular distribution mode.

8. A multi-rotor insecticide spraying drone according to claim 1, characterized in that: the outer surface of the fog head (14) is provided with a saw-toothed structure, the length of saw teeth of the fog head (14) is longer than the upward moving distance of the high-pressure spray head (6), and the rotating teeth (22) are meshed with the upper part of the fog head (14) in a non-working state.