CN110697036A - Intelligent buoyancy auxiliary lifting device for plant protection unmanned aerial vehicle - Google Patents
Intelligent buoyancy auxiliary lifting device for plant protection unmanned aerial vehicle Download PDFInfo
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- CN110697036A CN110697036A CN201910948631.9A CN201910948631A CN110697036A CN 110697036 A CN110697036 A CN 110697036A CN 201910948631 A CN201910948631 A CN 201910948631A CN 110697036 A CN110697036 A CN 110697036A
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- 239000003814 drug Substances 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 16
- 239000000575 pesticide Substances 0.000 description 25
- 239000007789 gas Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 230000005484 gravity Effects 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
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- 238000005265 energy consumption Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
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- 229910001873 dinitrogen Inorganic materials 0.000 description 2
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- 238000012544 monitoring process Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 208000024330 bloating Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/30—Lighter-than-air aircraft, e.g. aerostatic aircraft
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- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention belongs to the technical field of plant protection unmanned aerial vehicles, and particularly relates to an intelligent buoyancy auxiliary lifting device for a plant protection unmanned aerial vehicle, which comprises an unmanned aerial vehicle and an auxiliary lifting device; the unmanned aerial vehicle comprises a machine body, a medicine box, a spray pipe, a rotor wing, a machine arm, a landing frame and a controller, wherein the medicine box is detachably arranged below the machine body; the number of the rotor wings is at least four, and the rotor wings are arranged on the outer side of the aircraft body at equal angle intervals; the horn and the rotor wing are arranged in one-to-one correspondence; the spray pipes are connected below the machine arm through support pipes; the falling frames are symmetrically arranged on two sides of the machine body; the auxiliary lifting device is positioned below the medicine chest and comprises a pressing plate, a pull rope, a support, an inflator pump and an air bag; the inflator pump is communicated with the air bag through a pipeline; the pressure plate is positioned in the medicine box, the auxiliary lifting device is controlled to work through the liquid medicine in the medicine box, the auxiliary lifting device can be opened when the liquid medicine is used up, the unmanned aerial vehicle is buffered when descending, and therefore the safety performance of the unmanned aerial vehicle is improved.
Description
Technical Field
The invention belongs to the technical field of plant protection unmanned aerial vehicles, and particularly relates to an intelligent buoyancy auxiliary lifting device for a plant protection unmanned aerial vehicle.
Background
The unmanned plane is called unmanned plane for short, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. Because the device has the advantages of low cost, good cost-effectiveness ratio, good maneuvering performance, convenient use and the like, the device is widely applied to the fields of aerial photography, agriculture, plant protection, self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, electric power inspection, disaster relief, movie and television shooting and the like. Unmanned aerial vehicle is the aircraft that begins to put into practical use gradually at present, and it has flexible, the reaction is quick, unmanned flight, operation require advantage such as low. The unmanned aerial vehicle is provided with various sensors, such as a camera, can realize real-time image transmission and high-risk area detection functions, and is widely applied to the fields of fire fighting, military affairs, traffic, police affairs, exploration, meteorology and the like so as to realize cruise shooting and monitoring of specified areas.
Some technical schemes of unmanned aerial vehicle auxiliary lifting devices also appear in the prior art, for example, a chinese patent with application number 2017111705300 discloses a buoyancy auxiliary lifting unmanned aerial vehicle, which comprises an unmanned aerial vehicle, wherein the upper end side wall of the unmanned aerial vehicle is provided with a connecting block, a fixing block is arranged above the connecting block, the upper end side wall of the fixing block is provided with an air bag, the lower end side wall of the fixing block is provided with a mounting groove, the connecting block penetrates into the mounting groove to be arranged, the connecting block is of a hollow structure, both side walls of the connecting block are provided with grooves, the bottoms of the grooves are connected with clamping blocks through a plurality of springs, the side wall of the mounting groove is provided with a first clamping groove matched with the clamping blocks, the inner wall of the connecting block is rotatably connected with a vertically arranged first threaded rod through a first rotating part, a rotating rod is transversely arranged in the, and a first helical gear matched with the first threaded rod is arranged at one end of the rotating rod close to the first threaded rod.
This technical scheme simple structure, convenient operation, this buoyancy is assisted and is risen unmanned aerial vehicle duration stronger, the operation is more nimble. However, in the technical scheme, the auxiliary lifting of the unmanned aerial vehicle can only be realized, and other functions cannot be realized.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides the intelligent buoyancy auxiliary lifting device for the plant protection unmanned aerial vehicle, which is simple in structure and convenient to operate, can control the auxiliary lifting device to work through liquid medicine in a medicine box, can open the auxiliary lifting device when the liquid medicine is used up, and realizes buffering when the unmanned aerial vehicle descends, so that the safety performance of the unmanned aerial vehicle is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent buoyancy auxiliary lifting device for a plant protection unmanned aerial vehicle comprises the unmanned aerial vehicle and an auxiliary lifting device; the unmanned aerial vehicle comprises a machine body, a medicine box, a spray pipe, a rotor wing, a machine arm, a landing frame and a controller, wherein the medicine box is detachably arranged below the machine body; the controller is fixedly installed in the machine body and used for controlling the normal operation of the unmanned aerial vehicle; the number of the rotor wings is at least four, and the rotor wings are arranged on the outer side of the aircraft body at equal angle intervals; the horn and the rotor wing are arranged in one-to-one correspondence; the spray pipes are connected below the machine arm through support pipes, and a group of spray heads are arranged below the spray pipes; the falling frames are symmetrically arranged on two sides of the machine body; the auxiliary lifting device is positioned below the pesticide box and used for assisting the unmanned aerial vehicle to ascend; the auxiliary lifting device comprises a pressing plate, a pull rope, a support, an inflator pump and an air bag; the inflator pump is communicated with the air bag through a pipeline; the pressing plate is positioned in the medicine box and is elastically connected to the bottom wall of the medicine box through a spring; one end of the strut is fixedly connected to the bottom of the medicine box, and the other end of the strut is connected with one end of the connecting rod through a spring; the other end of the connecting rod is fixedly connected with a fixed block; the fixed block is provided with an annular groove; the number of the air bags corresponding to the machine arms is at least four, the air bags are all arranged in a spherical segment shape, a group of air bags can form a sphere, the upper parts of the air bags are all hinged to the side wall of the medicine chest through a supporting rod, and the lower ends of the air bags are all fixedly connected with an inserting plate; the end part of the plug board can be inserted into an annular groove on the fixed block; the stay cord corresponds the gasbag and is equipped with four at least, and stay cord homogeneous end is connected on the clamp plate, and the stay cord other end passes the through-hole that is provided with on the medical kit lateral wall and is connected with branch. When the plant protection unmanned aerial vehicle works, when the plant protection unmanned aerial vehicle needs to take off to spray pesticide, firstly mixed liquid medicine is guided into the pesticide box, the pressing plate can be gradually compressed in the process that the liquid medicine enters the pesticide box, the pressing plate is enabled to gradually move downwards under the action of the liquid medicine so as to be positioned at the bottom of the pesticide box, at the moment, the pressing plate releases the pulling of the pulling rope, the pulling rope can release the pulling of the supporting rod, at the moment, the supporting rod can concentrate towards the strut at the bottom of the pesticide box under the action of manual swing, a worker simultaneously pulls the fixing block at the bottom, the fixing block drives the connecting rod to move downwards under the pulling force of the spring, at the moment, the inserting plates arranged at the end parts of the four air bags can be combined together and jointly inserted into the annular groove arranged on the fixing block, at the moment, the worker releases the pulling of the fixing block, the unmanned aerial vehicle is prevented from loosening, then the inflator pump is controlled to charge nitrogen into the air bag, and the nitrogen teaches that the air is light, so that the air bag is gradually expanded to provide a certain buoyancy for the unmanned aerial vehicle, the auxiliary lifting of the unmanned aerial vehicle is facilitated, and the energy consumption caused by the self gravity when the unmanned aerial vehicle ascends is reduced; when the pesticide spraying of the unmanned aerial vehicle is finished, no pesticide liquid is in the pesticide box, the pressing plate moves upwards under the action of the spring at the moment, so that the pulling rope is pulled, the pulling rope can pull the connected airbags, the four airbags are separated from the fixed block and are unfolded, the unfolded airbags are all positioned below the rotor wing, on one hand, the contact area between the airbags and the air can be increased, the falling speed of the unmanned aerial vehicle is reduced, so that the safety of the unmanned aerial vehicle during falling is improved, on the other hand, if the unmanned aerial vehicle falls in a place with uneven ground, the unmanned aerial vehicle is toppled over, the unfolded airbags can provide buffer for the rotor wing of the unmanned aerial vehicle, the rotor wing and the horn are prevented from being damaged, and; this technical scheme is through being equipped with the supplementary device that rises in medical kit below, thereby utilize the clamp plate to judge whether unmanned aerial vehicle needs work, make clamp plate control gasbag make up into the spheroid, provide buoyancy when unmanned aerial vehicle rises, alleviate unmanned aerial vehicle because the rising that self gravity leads to is slow, the gasbag can open when unmanned aerial vehicle needs descend simultaneously, improve the descending security of unmanned aerial vehicle, and prevent that rotor and the impaired condition of horn that unmanned aerial vehicle does not stop steadily to empty and cause from taking place.
Preferably, clamping plates are arranged on one sides of the air bags close to the pillars; the splint is hinged by two support plate end portions, one support plate other end is hinged at the position of the air bag close to the upper portion, and the other end of the other support plate is hinged at the position of the air bag close to the inserting plate. The during operation, when spheroid is constituteed to each gasbag, thereby because the fixed block can be under the effect of spring rebound locking picture peg, splint one end that the gasbag inboard set up this moment can rebound under the promotion of picture peg, the contained angle of splint can reduce gradually until the fixed block is not rising this moment, and contained angle in the splint reduces can extrude the gasbag inboard of pasting tightly, thereby make in the gasbag gaseous outside removal arch that receives the extrusion, thereby increase the spheroidal volume of constituteing between each gasbag, controller control pump fills the contained angle department that certain nitrogen gas got into each splint this moment, make gas increase, and then increase spheroidal assistance and rise the effect, and can cooperate the fixed block to the effect of tightening between each gasbag.
Preferably, a sealing film is arranged at the included angle of the clamping plate; a cavity is formed between the sealing film and the clamping plate; one side of each inserting plate close to the corresponding support column is provided with a spherical cavity; the spherical cavities are communicated with the cavity through air pipes. The during operation, when each gasbag opened under the effect of stay cord, the tip of splint breaks away from the extrusion of fixed block this moment to cooperate with inside gas and make splint angle crescent, thereby make the gas in the cavity receive the extrusion, the trachea is leading-in to the spherical intracavity portion that links to each other afterwards through, makes spherical chamber bulge, further promotes the gasbag and takes place the buffering when empting unmanned aerial vehicle, avoids unmanned family rotor and horn to damage, improves unmanned aerial vehicle's life.
Preferably, a group of magnetic sheets are arranged on the sealing film at intervals; the magnetic sheets arranged on the two symmetrical sealing films repel each other magnetically. The during operation, because magnetism repellent's magnetic sheet for splint aggravate the shrink under the repulsion effect of each magnetic sheet, the angle of splint reduces relatively, thereby makes the cavity internal gas lead-in to the spherical intracavity that links to each other under the compression, and the gaseous increase of spherical intracavity can be bloated, and the spherical chamber of bloating can extrude the lateral wall of ring channel by force, and then improves the compactness between picture peg and the ring channel, avoids the picture peg to drop easily.
Preferably, an air hole is arranged above the air bag; a first elastic membrane is arranged inside the air hole; two ends of the first elastic membrane are fixedly connected to two sides of the air hole; the position of the spray head is right opposite to the air hole arranged above the air bag. The during operation, when unmanned aerial vehicle need descend, gasbag this moment is the state of opening, the tip of shower nozzle can just in time be touched to the gas pocket that the gasbag top set up, make in the tip of shower nozzle stretches into the gas pocket, thereby promote an elastic membrane, an elastic membrane receives thrust to open, thereby emit some gas in the gasbag, gasbag shrink is relatively flat this moment, thereby the area of contact of gasbag bottom and air has been increased, cushion effect when the increase whereabouts, the perk under the air current effect that the gasbag tip produced when unmanned aerial vehicle whereabouts simultaneously, thereby better protection horn and rotor.
Preferably, the rotor wing is connected with the horn through a horizontally arranged cylinder; a leakage groove is formed in the side wall of the cylinder; a second elastic film is arranged on the leakage groove; two ends of the second elastic membrane are fixedly connected to two sides of the leakage groove respectively; the top end of the supporting tube is inserted into the leakage groove. The during operation, when the gasbag opened the extrusion shower nozzle, the stay tube of connecting on the shower nozzle can slide to the small opening on the cylinder lateral wall to jack-up elastic membrane No. two, make the gas in the cylinder reduce, the end of cylinder can contract, thereby shorten the length on the horn, make horn and rotor wholly be located under the protection of gasbag, improve unmanned aerial vehicle's security.
The invention has the following beneficial effects:
1. according to the unmanned aerial vehicle landing device, the auxiliary lifting device is arranged below the medicine chest, so that whether the unmanned aerial vehicle needs to work or not is judged by utilizing the pressing plate, the pressing plate controls the air bag to be combined into a sphere, buoyancy is provided when the unmanned aerial vehicle ascends, the slow ascending of the unmanned aerial vehicle caused by the gravity of the unmanned aerial vehicle is reduced, meanwhile, the air bag can be opened when the unmanned aerial vehicle needs to land, the landing safety of the unmanned aerial vehicle is improved, and the condition that the rotor wing and the horn are damaged due to the fact that the.
2. According to the invention, the magnetic sheets are arranged on the sealing film, and then the repulsion force between the magnetic sheets is utilized, so that the gas in the cavity is pressed into the spherical cavity, and the expanded spherical cavity can forcibly extrude the side wall of the annular groove, thereby improving the tightness between the inserting plate and the annular groove and preventing the inserting plate from falling off easily; simultaneously when each gasbag opens, the extrusion that the tip of splint breaks away from the fixed block makes splint angle crescent, and the gas in the cavity is led into inside the spherical chamber that links to each other after receiving the extrusion for spherical chamber is bloated, further promotes the gasbag and takes place the buffering when empting unmanned aerial vehicle, improves unmanned aerial vehicle's life.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a schematic view of the auxiliary lifting device of the present invention when deployed;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is an enlarged view of a portion of FIG. 4 at C;
FIG. 7 is an enlarged view of a portion of FIG. 4 at D;
FIG. 8 is a schematic view of the bladder of the present invention in combination;
in the figure: unmanned aerial vehicle 1, fuselage 11, medical kit 12, spray tube 13, rotor 14, horn 15, frame 16 that falls, stay tube 17, shower nozzle 18, assist and rise device 2, clamp plate 21, stay cord 22, pillar 23, gasbag 24, gas pocket 241, connecting rod 25, fixed block 26, ring channel 27, branch 28, picture peg 29, splint 3, seal membrane 4, cavity 5, spherical chamber 6, elastic membrane 7, cylinder 8, elastic membrane 81 No. two.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, the intelligent buoyancy auxiliary lifting device for a plant protection unmanned aerial vehicle according to the present invention includes an unmanned aerial vehicle 1 and an auxiliary lifting device 2; the unmanned aerial vehicle 1 comprises a body 11, a medicine box 12, a spray pipe 13, a rotor wing 14, a horn 15, a landing frame 16 and a controller, wherein the medicine box 12 is detachably mounted below the body 11; the controller is fixedly installed inside the machine body 11 and is used for controlling the unmanned aerial vehicle 1 to normally operate; the number of the rotary wings 14 is at least four, and the rotary wings 14 are arranged on the outer side of the fuselage 11 at equal angle intervals; the horn 15 and the rotor 14 are arranged in one-to-one correspondence; the spray pipes 13 are connected below the horn 15 through support pipes 17, and a group of spray heads 18 are arranged below the spray pipes 13; the falling frames 16 are symmetrically arranged at two sides of the machine body 11; the auxiliary lifting device 2 is positioned below the medicine chest 12, and the auxiliary lifting device 2 is used for assisting the unmanned aerial vehicle 1 to ascend; the auxiliary lifting device 2 comprises a pressure plate 21, a pull rope 22, a support 23, an inflator pump and an air bag 24; the inflator is communicated with the air bag 24 through a pipeline; the pressing plate 21 is positioned inside the medicine box 12, and the pressing plate 21 is elastically connected to the bottom wall of the medicine box 12 through a spring; one end of the strut 23 is fixedly connected with the bottom of the medicine box 12, and the other end is connected with one end of a connecting rod 25 through a spring; the other end of the connecting rod 25 is fixedly connected with a fixed block 26; the fixed block 26 is provided with an annular groove 27; the number of the air bags 24 is at least four corresponding to the machine arm 15, the air bags 24 are all arranged in a spherical segment shape, a group of air bags 24 can form a sphere, the upper parts of the air bags 24 are all hinged on the side wall of the medicine chest 12 through a supporting rod 28, and the lower ends of the air bags 24 are all fixedly connected with an inserting plate 29; the end part of the inserting plate 29 can be inserted into the annular groove 27 on the fixing block 26; at least four pull ropes 22 are arranged corresponding to the air bags 24, one ends of the pull ropes 22 are connected to the pressing plate 21, and the other ends of the pull ropes 22 penetrate through holes formed in the side walls of the medicine boxes 12 to be connected with the supporting rods 28. When the plant protection unmanned aerial vehicle 1 needs to take off to spray pesticide, firstly mixed liquid medicine needs to be introduced into the pesticide box 12, the pressing plate 21 is gradually compressed in the process that the liquid medicine enters the pesticide box 12, the pressing plate 21 gradually moves downwards under the action of the liquid medicine to be located at the bottom of the pesticide box 12, at the moment, the pressing plate 21 releases the pulling of the pulling rope 22, the pulling rope 22 releases the pulling of the supporting rod 28, at the moment, the supporting rod 28 can concentrate towards the supporting column 23 at the bottom of the pesticide box 12 under the action of manual swing, a worker simultaneously pulls the fixing block 26 at the bottom, the fixing block 26 drives the connecting rod 25 to move downwards under the pulling force of the spring, at the moment, the inserting plates 29 arranged at the end parts of the four air bags 24 are combined together and jointly inserted into the annular groove 27 arranged on the fixing block 26, at the moment, the worker releases the pulling of the fixing block 26, and the fixing block 26 and, the combined sphere is fixedly clamped to avoid loosening, then the inflator pump is controlled to charge nitrogen into the air bag 24, the nitrogen is lighter than air, the air bag 24 is gradually expanded to provide certain buoyancy for the unmanned aerial vehicle 1, the unmanned aerial vehicle 1 is assisted to ascend, and energy consumption caused by self gravity when the unmanned aerial vehicle 1 ascends is reduced; when the spraying of pesticide is finished, the unmanned aerial vehicle 1 has no pesticide liquid in the pesticide box 12, at the moment, the pressing plate 21 moves upwards under the action of the spring, so that the pulling rope 22 is pulled, the pulling rope 22 can pull the connected airbags 24, the four airbags 24 are separated from the fixed blocks 26 and are fixed and unfolded, the unfolded airbags 24 are located below the rotor wings 14, on one hand, the contact area between the airbags 24 and the air can be increased, the falling speed of the unmanned aerial vehicle 1 is reduced, the safety of the unmanned aerial vehicle 1 during landing is improved, on the other hand, if the unmanned aerial vehicle 1 splashes on an uneven ground place, the unmanned aerial vehicle 1 topples over, the unfolded airbags 24 can provide buffer for the rotor wings 14 of the unmanned aerial vehicle 1, the rotor wings 14 and the horn 15 are prevented from being damaged, and meanwhile, the airbags; this technical scheme is through being equipped with in 12 below of medical kit and assisting and rise device 2, thereby utilize clamp plate 21 to judge whether unmanned aerial vehicle 1 needs work, make clamp plate 21 control gasbag 24 make up into spherically, provide buoyancy when unmanned aerial vehicle 1 rises, alleviate the ascending slow that unmanned aerial vehicle 1 leads to because the gravity of self, gasbag 24 can open when unmanned aerial vehicle 1 needs to descend simultaneously, improve the security that unmanned aerial vehicle 1 descends, and prevent that unmanned aerial vehicle 1 from not stopping steadily to empty the impaired condition of rotor 14 and horn 15 that causes and taking place.
As an embodiment, a splint 3 is disposed on one side of the air bag 24 close to the pillar 23; the splint 3 is hinged by two ends, one end of the splint is hinged at the position above the air bag 24, and the other end of the splint is hinged at the position of the air bag 24 close to the inserting plate 29. During operation, when each gasbag 24 constitutes the spheroid, thereby because fixed block 26 can move up under the effect of spring locking picture peg 29, 3 one end of splint that gasbag 24 inboard set up this moment can be at picture peg 29's promotion rebound, the contained angle of splint 3 can dwindle gradually until fixed block 26 is not rising this moment, and contained angle in splint 3 dwindles can extrude the gasbag 24 inboard of pasting tightly, thereby it is protruding to move to the outside to make gas in the gasbag 24 receive the extrusion, thereby increase the spheroid volume of constituteing between each gasbag 24, the controller control pump fills the contained angle department that certain nitrogen gas got into each splint 3 this moment, make gas increase, and then increase spheroidal supplementary lift effect, and can cooperate the fixed block 26 to tighten the effect between each gasbag 24.
As one embodiment, a sealing film 4 is arranged at the corner of the clamping plate 3; a cavity 5 is formed between the sealing film 4 and the clamping plate 3; one side of each insert plate 29 close to the support column 23 is provided with a spherical cavity 6; the spherical cavities 6 are communicated with the cavity 5 through air pipes. The during operation, when each gasbag 24 opens under the effect of stay cord 22, the tip of splint 3 breaks away from the extrusion of fixed block 26 this moment, and cooperate with inside gas and make 3 angles of splint increase gradually, thereby make the gas in the cavity 5 receive the extrusion, introduce into continuous spherical chamber 6 inside through the trachea afterwards, make spherical chamber 6 bulge, further promote the gasbag 24 to unmanned aerial vehicle 1 and take place the buffering when empting, avoid unmanned house rotor 14 and horn 15 to damage, improve unmanned aerial vehicle 1's life.
As one embodiment, a group of magnetic sheets are arranged on the sealing film 4 at intervals; the magnetic sheets arranged on the two symmetrical sealing films 4 repel each other magnetically. During operation, because the magnetic sheet that magnetism repels each other for splint 3 aggravates the shrink under the repulsion effect of each magnetic sheet, splint 3's angle reduces relatively, thereby makes in cavity 5 gas be in the spherical chamber 6 that leads to linking to each other by the compression, and the increase of gas can be heaved in the spherical chamber 6, and the spherical chamber 6 that heaves can extrude the lateral wall of ring channel 27 by force, and then improves the compactness between picture peg 29 and the ring channel 27, avoids picture peg 29 to drop easily.
As an embodiment, an air hole 241 is provided above the air bag 24; a first elastic membrane 7 is arranged in the air hole 241; two ends of the first elastic membrane are fixedly connected to two sides of the air hole 241; the spray head 18 is positioned to face an air hole 241 provided above the air bag 24. The during operation, when unmanned aerial vehicle 1 need descend, gasbag 24 at this moment is the state of opening, the tip of shower nozzle 18 can just in time be touched to the gas pocket 241 that sets up in the gasbag 24 top, make the tip of shower nozzle 18 stretch into in the gas pocket 241, thereby promote an elastic membrane 7, elastic membrane 7 is opened by thrust, thereby emit partly gaseous in the gasbag 24, gasbag 24 shrink is flat relatively this moment, thereby the area of contact of gasbag 24 bottom and air has been increased, the cushion effect when the increase whereabouts, the perk under the air current effect that gasbag 24 tip produced when unmanned aerial vehicle 1 whereabouts simultaneously, thereby better protection horn 15 and rotor 14.
As one embodiment, the rotor 14 is connected with the horn 15 through a horizontally disposed cylinder 8; a leakage groove is formed in the side wall of the cylinder 8; a second elastic membrane 81 is arranged on the leakage groove; two ends of the second elastic membrane 81 are fixedly connected to two sides of the leakage groove respectively; the top end of the supporting pipe 17 is inserted into the leakage groove. The during operation, when gasbag 24 opened extrusion shower nozzle 18, stay tube 17 of connecting on the shower nozzle 18 can slide to the small opening on the cylinder 8 lateral wall to jack-up No. two elastic membranes 81, make the gas in the cylinder 8 reduce, the end of cylinder 8 can contract, thereby shorten the length on the horn 15, make horn 15 and rotor 14 wholly be located under gasbag 24's the protection, improve unmanned aerial vehicle 1's security.
When the plant protection unmanned aerial vehicle 1 needs to take off to spray pesticide, firstly mixed liquid medicine needs to be introduced into the pesticide box 12, the pressing plate 21 is gradually compressed in the process that the liquid medicine enters the pesticide box 12, the pressing plate 21 gradually moves downwards under the action of the liquid medicine to be located at the bottom of the pesticide box 12, at the moment, the pressing plate 21 releases the pulling of the pulling rope 22, the pulling rope 22 releases the pulling of the supporting rod 28, at the moment, the supporting rod 28 can concentrate towards the supporting column 23 at the bottom of the pesticide box 12 under the action of manual swing, a worker simultaneously pulls the fixing block 26 at the bottom, the fixing block 26 drives the connecting rod 25 to move downwards under the pulling force of the spring, at the moment, the inserting plates 29 arranged at the end parts of the four air bags 24 are combined together and jointly inserted into the annular groove 27 arranged on the fixing block 26, at the moment, the worker releases the pulling of the fixing block 26, and the fixing block 26 and, the combined sphere is fixedly clamped to avoid loosening, then the air pump is controlled to inflate the air bag 24, so that the air bag 24 gradually expands to provide certain buoyancy for the unmanned aerial vehicle 1, the unmanned aerial vehicle 1 is assisted to lift, and energy consumption caused by self gravity when the unmanned aerial vehicle 1 lifts is reduced; when the spraying of pesticide is finished, the unmanned aerial vehicle 1 has no pesticide liquid in the pesticide box 12, at the moment, the pressing plate 21 moves upwards under the action of the spring, so that the pulling rope 22 is pulled, the pulling rope 22 can pull the connected airbags 24, the four airbags 24 are separated from the fixed blocks 26 and are fixed and unfolded, the unfolded airbags 24 are located below the rotor wings 14, on one hand, the contact area between the airbags 24 and the air can be increased, the falling speed of the unmanned aerial vehicle 1 is reduced, the safety of the unmanned aerial vehicle 1 during landing is improved, on the other hand, if the unmanned aerial vehicle 1 splashes on an uneven ground place, the unmanned aerial vehicle 1 topples over, the unfolded airbags 24 can provide buffer for the rotor wings 14 of the unmanned aerial vehicle 1, the rotor wings 14 and the horn 15 are prevented from being damaged, and meanwhile, the airbags; this technical scheme is through being equipped with in 12 below of medical kit and assisting and rise device 2, thereby utilize clamp plate 21 to judge whether unmanned aerial vehicle 1 needs work, make clamp plate 21 control gasbag 24 make up into spherically, provide buoyancy when unmanned aerial vehicle 1 rises, alleviate the ascending slow that unmanned aerial vehicle 1 leads to because the gravity of self, gasbag 24 can open when unmanned aerial vehicle 1 needs to descend simultaneously, improve the security that unmanned aerial vehicle 1 descends, and prevent that unmanned aerial vehicle 1 from not stopping steadily to empty the impaired condition of rotor 14 and horn 15 that causes and taking place.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An intelligent buoyancy auxiliary lifting device for a plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle (1) and an auxiliary lifting device (2); the unmanned aerial vehicle (1) comprises a vehicle body (11), a medicine box (12), a spray pipe (13), a rotor wing (14), a vehicle arm (15), a landing frame (16) and a controller, wherein the medicine box (12) is detachably mounted below the vehicle body (11); the controller is fixedly installed inside the machine body (11) and is used for controlling the normal operation of the unmanned aerial vehicle (1); the number of the rotary wings (14) is at least four, and the rotary wings (14) are arranged on the outer side of the fuselage (11) at equal angle intervals; the horn (15) and the rotor wing (14) are arranged in a one-to-one correspondence manner; the spray pipes (13) are connected below the machine arm (15) through support pipes (17), and a group of spray heads (18) are arranged below the spray pipes (13); the falling frames (16) are symmetrically arranged at two sides of the machine body (11); the auxiliary lifting device (2) is positioned below the medicine chest (12), and the auxiliary lifting device (2) is used for assisting the unmanned aerial vehicle (1) to ascend; the method is characterized in that: the auxiliary lifting device (2) comprises a pressure plate (21), a pull rope (22), a support column (23), an inflator pump and an air bag (24); the inflator pump is communicated with the air bag (24) through a pipeline; the pressing plate (21) is positioned inside the medicine chest (12), and the pressing plate (21) is elastically connected to the bottom wall of the medicine chest (12) through a spring; one end of the strut (23) is fixedly connected with the bottom of the medicine box (12), and the other end of the strut is connected with one end of the connecting rod (25) through a spring; the other end of the connecting rod (25) is fixedly connected with a fixed block (26); an annular groove (27) is formed in the fixed block (26); the number of the air bags (24) is at least four corresponding to the machine arm (15), the air bags (24) are all arranged in a spherical segment shape, a group of air bags (24) can form a sphere, the upper parts of the air bags (24) are all hinged to the side wall of the medicine chest (12) through a support rod (28), and the lower ends of the air bags (24) are all fixedly connected with an inserting plate (29); the end part of the inserting plate (29) can be inserted into an annular groove (27) on the fixing block (26); the number of the pull ropes (22) is at least four corresponding to the air bags (24), the uniform ends of the pull ropes (22) are connected to the pressing plate (21), and the other ends of the pull ropes (22) penetrate through holes formed in the side wall of the medicine chest (12) and are connected with the supporting rods (28).
2. The intelligent buoyancy assisted lifting device for the plant protection unmanned aerial vehicle according to claim 1, wherein: clamping plates (3) are arranged on one sides of the air bags (24) close to the pillars (23); the splint (3) is hinged by two support plate ends, wherein the other end of one support plate is hinged at the position of the air bag (24) close to the upper part, and the other end of the other support plate is hinged at the position of the air bag (24) close to the insert plate (29).
3. The intelligent buoyancy assisted lifting device for the plant protection unmanned aerial vehicle according to claim 2, wherein: a sealing film (4) is arranged at the included angle of the clamping plate (3); a cavity (5) is formed between the sealing film (4) and the clamping plate (3); one side of the insert plate (29) close to the support column (23) is provided with a spherical cavity (6); the spherical cavities (6) are communicated with the cavity (5) through air pipes.
4. The intelligent buoyancy assisted lifting device for plant protection unmanned aerial vehicle of claim 3, wherein: a group of magnetic sheets are arranged on the sealing film (4) at intervals; the magnetic sheets arranged on the two symmetrical sealing films (4) repel each other magnetically.
5. The intelligent buoyancy assisted lifting device for the plant protection unmanned aerial vehicle according to claim 2, wherein: an air hole (241) is arranged above the air bag (24); a first elastic membrane (7) is arranged in the air hole (241); two ends of the first elastic membrane (7) are fixedly connected with two sides of the air hole (241); the spray head (18) is positioned right opposite to the air hole (241) arranged above the air bag (24).
6. The intelligent buoyancy assisted lifting device for plant protection unmanned aerial vehicle of claim 5, wherein: the rotor (14) is connected with the horn (15) through a cylinder (8) which is horizontally arranged; a leakage groove is formed in the side wall of the air cylinder (8); a second elastic membrane (81) is arranged on the leakage groove; two ends of the second elastic membrane (81) are fixedly connected to two sides of the leakage groove respectively; the top end of the supporting pipe (17) is inserted into the leakage groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948631.9A CN110697036A (en) | 2019-10-08 | 2019-10-08 | Intelligent buoyancy auxiliary lifting device for plant protection unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910948631.9A CN110697036A (en) | 2019-10-08 | 2019-10-08 | Intelligent buoyancy auxiliary lifting device for plant protection unmanned aerial vehicle |
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| CN110697036A true CN110697036A (en) | 2020-01-17 |
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| CN201910948631.9A Pending CN110697036A (en) | 2019-10-08 | 2019-10-08 | Intelligent buoyancy auxiliary lifting device for plant protection unmanned aerial vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717405A (en) * | 2020-06-23 | 2020-09-29 | 长沙航华电子科技有限公司 | Buoyancy auxiliary lifting device for unmanned aerial vehicle |
| CN111717409A (en) * | 2020-06-23 | 2020-09-29 | 长沙航华电子科技有限公司 | High-pressure pneumatic boosting take-off device of light unmanned aerial vehicle |
| CN112520018A (en) * | 2020-12-26 | 2021-03-19 | 河南正大航空工业股份有限公司 | Plant protection unmanned aerial vehicle foot rest |
| CN113682464A (en) * | 2021-09-09 | 2021-11-23 | 江苏汉科航空科技有限公司 | Anti-rollover unmanned aerial vehicle easy for emergency floating support |
| CN113951228A (en) * | 2021-09-22 | 2022-01-21 | 彭颖 | Agricultural plant protection unmanned aerial vehicle |
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2019
- 2019-10-08 CN CN201910948631.9A patent/CN110697036A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111717405A (en) * | 2020-06-23 | 2020-09-29 | 长沙航华电子科技有限公司 | Buoyancy auxiliary lifting device for unmanned aerial vehicle |
| CN111717409A (en) * | 2020-06-23 | 2020-09-29 | 长沙航华电子科技有限公司 | High-pressure pneumatic boosting take-off device of light unmanned aerial vehicle |
| CN112520018A (en) * | 2020-12-26 | 2021-03-19 | 河南正大航空工业股份有限公司 | Plant protection unmanned aerial vehicle foot rest |
| CN113682464A (en) * | 2021-09-09 | 2021-11-23 | 江苏汉科航空科技有限公司 | Anti-rollover unmanned aerial vehicle easy for emergency floating support |
| CN113682464B (en) * | 2021-09-09 | 2022-08-12 | 江苏汉科航空科技有限公司 | Anti-rollover unmanned aerial vehicle easy for emergency floating support |
| CN113951228A (en) * | 2021-09-22 | 2022-01-21 | 彭颖 | Agricultural plant protection unmanned aerial vehicle |
| CN113951228B (en) * | 2021-09-22 | 2023-08-18 | 南京南华航空产业有限公司 | Agricultural plant protection unmanned aerial vehicle |
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