CN110104179B - Agricultural unmanned aerial vehicle particle sprinkling device and sprinkling method - Google Patents
Agricultural unmanned aerial vehicle particle sprinkling device and sprinkling method Download PDFInfo
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- CN110104179B CN110104179B CN201910446710.XA CN201910446710A CN110104179B CN 110104179 B CN110104179 B CN 110104179B CN 201910446710 A CN201910446710 A CN 201910446710A CN 110104179 B CN110104179 B CN 110104179B
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- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
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Abstract
The invention provides a granule throwing device and a throwing method of an agricultural unmanned aerial vehicle, wherein the granule throwing device comprises a sleeve and a medicine kettle, the sleeve is vertically arranged at the lower end of the medicine kettle, a discharge hole of the medicine kettle is positioned at the upper side in the sleeve, a sealing mechanism is arranged in the sleeve, a feed inlet of the sealing mechanism is communicated with the discharge hole of the medicine kettle, a sliding cover is arranged at the lower end of the discharge hole of the sealing mechanism, and a throwing mechanism for forming a downward wind field at the discharge hole of the sleeve is arranged in the sleeve at the lower end of the sliding cover. The throwing mechanism forms negative pressure in the sleeve, adopts the negative pressure principle to suck out the medicine particles from the medicine kettle, and avoids the condition that the medicine weight is small and the particles are large to block the blanking port; the throwing mechanism forms a downward wind field at the discharge port of the sleeve, so that the drug throwing effect is better, and the drug is prevented from being blown away by the wind field of the body propeller; the collision of the medicine with the device like centrifugal throwing in the process of throwing down the medicine particles can not cause the medicine to be broken.
Description
Technical Field
The invention relates to the technical field of agricultural unmanned aerial vehicles, in particular to an agricultural unmanned aerial vehicle particle throwing device and a throwing method.
Background
At present, the technology of spraying water aqua pesticide by using an unmanned aerial vehicle is mature day by day, the water aqua mainly uses a pressure pump or a centrifugal spraying device to spray the water aqua pesticide of a pesticide kettle, and the pesticide effect can be improved by spraying micron-sized fogdrops, but the mode is not suitable for throwing particles, the particles cannot be atomized by throwing, and the particles cannot be sprayed through a spray head. The existing unmanned aerial vehicle is thrown and is generally directly poured by using a medicine pot or the granules are rotated by a centrifugal device to throw out the device, so that large granules or very light granules of the medicine are encountered, for example, a microcapsule suspending agent is not applicable, the medicine is characterized in that the medicine is composed of very small microcapsules, the microcapsules are made into medicine granules, the medicine is characterized by large volume and small weight, the medicine effect can be influenced by destroying the medicine granules during throwing, the medicine can be blocked under a blanking port in a gravity material leakage mode, and the medicine microcapsules can be destroyed during centrifugal throwing. CN206760016U is fed and discharged through a motor-driven discharge wheel, and particles are scattered through a scattering disk driven by a gear transmission mechanism, and when the structure is used for scattering microcapsule particles, the drug microcapsules are easily damaged.
Disclosure of Invention
The invention provides a granule throwing device and a throwing method of an agricultural unmanned aerial vehicle, wherein a throwing mechanism forms negative pressure in a sleeve, and medicine granules are sucked out of a medicine kettle by adopting a negative pressure principle, so that the condition that a blanking port is blocked when the medicine weight is small and the granules are large is avoided; the throwing mechanism forms a downward wind field at the discharge port of the sleeve, so that the drug throwing effect is better, and the drug is prevented from being blown away by the wind field of the body propeller; the collision of the medicine with the device like centrifugal throwing in the process of throwing down the medicine particles can not cause the medicine to be broken.
The technical scheme of the invention is realized as follows: the utility model provides an agricultural unmanned aerial vehicle granule throwing device, includes sleeve and medicine kettle, and the sleeve is vertical to be set up in the lower extreme of medicine kettle, and the discharge gate of medicine kettle is located the upside in the sleeve, is provided with sealing mechanism in the sleeve, and sealing mechanism's feed inlet communicates with each other with the discharge gate of medicine kettle, and sealing mechanism's discharge gate lower extreme is provided with the slipcover, is provided with in the sleeve of slipcover lower extreme and is used for forming the throwing mechanism of pushing down the wind field at telescopic discharge gate.
Further, the sliding cover comprises a conical cover body with a downward opening, air inlet channels are uniformly distributed on the outer side wall of the conical cover body along the circumferential direction, air inlets are arranged at positions, corresponding to the air inlet channels, on the sleeve, the air inlets and the air inlet channels are in one-to-one correspondence and are connected in a sealing mode, and the air inlets and the air inlet channels are matched to supply air to the inner side of the conical cover body.
Further, the throwing mechanism comprises a motor protection cover, a vertical downward driving motor is arranged in the motor protection cover, a propeller is arranged at the output end of the driving motor, the upper end of the motor protection cover is connected with the inner side wall of the sliding cover in a sealing manner, and the propeller is located at a position close to the sleeve discharge hole.
Further, sealing mechanism includes first fixed plate and second fixed plate, be provided with the import hole that the discharge gate of medicine kettle links to each other on the second fixed plate, be provided with the exit hole corresponding to the position of import hole on the first fixed plate, be provided with first shrouding and with first shrouding complex second shrouding between import hole and the exit hole, one side of first shrouding is provided with the rocking arm, the one end of rocking arm rotates with first shrouding and links to each other, the other end links to each other with steering engine driven rotatory gear, the steering engine sets up on first fixed plate, the one end that the second shrouding is close to rotatory gear rotates with first fixed plate and links to each other, and be provided with the drive tooth with rotatory gear engagement, be provided with the gag lever post on the first fixed plate, the one end that the second shrouding was kept away from is provided with along the gliding reducing hole of gag lever post.
Further, one end of the rocker arm, which is far away from the first sealing plate, is connected with the rotary gear through a first screw and is connected with the output end of the steering engine through a second screw.
Further, the rocker arm is located one side of the first sealing plate, which is close to the second fixing plate, and the second fixing plate is provided with a limiting hole for limiting the rotation angle of the rocker arm.
The particle throwing method of the agricultural unmanned aerial vehicle adopts the particle throwing device and comprises the following steps:
(1) Loading the particles to be sprayed into a medicine kettle, opening a driving motor, driving a propeller to rotate by the driving motor, and forming a downward wind field at a discharge hole of the sleeve;
(2) Opening the sealing mechanism, dispersing particles along the outer side wall of the sliding cover, entering between the sleeve and the motor protection cover, and throwing the particles through a down-pressure wind field;
(3) When the throwing of the particles is completed, the sealing mechanism and the driving motor are closed.
The invention has the beneficial effects that:
1. according to the invention, the throwing mechanism drives the propeller to provide a wind field through the driving motor, negative pressure is formed in the sleeve, and medicine particles are sucked out of the medicine kettle by adopting a negative pressure principle, so that the condition that a blanking port is blocked when the weight of the medicine is small and the particles are large is avoided; the throwing mechanism forms a downward wind field at the discharge port of the sleeve, so that the drug throwing effect is better, and the drug is prevented from being blown away by the wind field of the body propeller; the medicine particles are not broken due to collision between the medicine and the device like centrifugal throwing in the process of throwing down;
2. the sliding cover is favorable for uniformly dispersing the drug particles between the sleeve and the motor protective cover, so that the blanking is smoother, meanwhile, the sliding cover is matched with the throwing mechanism, the air inlet and the air inlet channel are matched to feed air to the inner side of the conical cover body, and the throwing mechanism forms a downward wind field at the discharge hole of the sleeve;
3. the sealing mechanism is used for adjusting the throwing amount of the drug particles, and the first sealing plate and the second sealing plate are opened and closed through the cooperation of the rotary gear, the rocker arm and the transmission gear, so that the whole structure is simple and is not easy to fail; the rocker arm is respectively connected with the rotary gear and the steering engine through the first screw and the second screw, so that the anti-skid function is realized, and the transmission failure is avoided;
4. the reducing hole and the gag lever post cooperation of sealing mechanism realize the restriction of first shrouding rotation angle, and the occupation space of whole device has been reduced to the setting of limiting hole, is used for restricting rocking arm rotation angle once, realizes the accurate closure of first shrouding and second shrouding, avoids appearing first sealing door and second sealing door to hurt.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a connection structure of a door closing mechanism and a slide cover;
FIG. 3 is a schematic diagram of a slide cover;
FIG. 4 is a schematic view of the construction of the sprinkling mechanism;
FIG. 5 is a schematic structural view of a sleeve;
FIG. 6 is a schematic structural view of a sealing mechanism;
FIG. 7 is a schematic view of the closure of the first and second closure plates;
fig. 8 is a schematic view of the first and second seal plates in an open configuration.
Sleeve 1, medicine kettle 2, closing mechanism 3, sliding cover 4, conical cover body 5, air inlet channel 6, air inlet 7, motor protection cover 8, driving motor 9, screw 10, connecting block 11, first fixed plate 12, second fixed plate 13, inlet hole 14, outlet hole 15, first shrouding 16, second shrouding 17, spacing hole 18, steering wheel 19, rotary gear 20, driving tooth 21, gag lever post 22, reducing hole 23, first screw 24, second screw 25, rocking arm 26.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
The terms "upper" and "lower" in the present invention refer to the positional relationship shown in fig. 1.
Example 1
As shown in fig. 1-5, the agricultural unmanned aerial vehicle granule throwing device comprises a sleeve 1 and a medicine kettle 2, wherein the sleeve 1 is fixed at the lower end of the medicine kettle 2 in a vertical sealing manner, a discharge hole of the medicine kettle 2 is positioned at the upper side in the sleeve 1, a horizontal sealing mechanism 3 is arranged in the sleeve 1, a feed inlet of the sealing mechanism 3 is communicated with the discharge hole of the medicine kettle 2, a sliding cover 4 is arranged at the lower end of the discharge hole of the sealing mechanism 3, the sliding cover 4 comprises a conical cover body 5 with a downward opening, air inlet channels 6 are uniformly distributed on the outer side wall of the conical cover body 5 along the circumferential direction, an air inlet 7 communicated with the air inlet channels 6 is arranged at the position, corresponding to the air inlet channels 6, on the sleeve 1, and the air inlet 7 and the air inlet channels 6 are matched to air inlet to the inner side of the conical cover body 5.
The sleeve 1 at the lower end of the sliding cover 4 is internally provided with a throwing mechanism for forming a downward wind field at a discharge hole of the sleeve 1. The throwing mechanism comprises a vertical motor protection cover 8, a driving motor 9 vertically downwards arranged in the motor protection cover 8 and a propeller 10 arranged at the output end of the driving motor 9, wherein the propeller 10 is positioned at a position close to a discharge hole of the sleeve 1, and the driving motor 9 is a brushless motor.
The edge of the conical cover body 5 between the adjacent air inlet channels 6 is fixedly provided with a horizontal connecting block 11, one end of the connecting block 11 is connected with the sleeve 1 through a screw, the air inlet channels 6 and the air inlet 7 are correspondingly and hermetically connected, the other end of the connecting block 11 is fixedly connected with the upper end of the motor protection cover 8 through a screw, the upper end of the motor protection cover 8 is hermetically connected with the inner side wall of the sliding cover 4, and drug particles are prevented from entering the driving motor.
Example two
This embodiment is substantially the same as the first embodiment except that: as shown in fig. 2 and 6 to 8, the sealing mechanism 3 includes a horizontal first fixing plate 12 and a second fixing plate 13, and the first fixing plate 12 and the second fixing plate 13 are parallel to each other and fixedly connected by screws. The second fixed plate 13 is provided with an inlet hole 14 communicated with a discharge hole of the medicine kettle 2, the first fixed plate 12 is provided with an outlet hole 15 corresponding to the position of the inlet hole 14, a first sealing plate 16 and a second sealing plate 17 matched with the first sealing plate 16 are arranged between the inlet hole 14 and the outlet hole 15, one side, close to the first sealing plate 16, of the second sealing plate 17 is provided with an arc-shaped groove, the position, corresponding to the arc-shaped groove, of the first sealing plate 16 is provided with an arc-shaped protrusion, the arc-shaped groove and the arc-shaped protrusion are closed, and the first fixed plate 12 and the second fixed plate 13 are connected with the upper end of the air inlet channel 6 through screws.
The side that first shrouding 16 is close to second fixed plate 13 is provided with rocking arm 26, be provided with the spacing hole 18 that is used for restricting rocking arm 26 rotation angle on the second fixed plate 13, the one end of rocking arm 26 rotates with first shrouding 16 and links to each other, the other end links to each other with steering wheel 19 driven rotation gear 20, steering wheel 19 passes through the screw fixation on the first fixed plate 12, steering wheel 19 is located the outside of first fixed plate 12, the one end that second shrouding 17 is close to rotation gear 20 rotates with first fixed plate 12 and links to each other, and be provided with the driving tooth 21 with rotation gear 20 meshing, be provided with gag lever post 22 on the first fixed plate 12, the one end that second shrouding 17 was kept away from to first shrouding 16 is provided with along gag lever post 22 gliding reducing hole 23, the diameter of reducing hole 23 is greater than the diameter of gag lever post 22.
The end of the rocker arm 26 remote from the first closing plate 16 is connected to the rotary gear 20 by a first screw 24 and to the output of the steering engine 19 by a second screw 25. The output end of the steering engine 19 is provided with a driving gear, and the rotating gear 20 is provided with an internal gear meshed with the driving gear.
The application method of the embodiment comprises the following steps: when the material leakage is avoided, the steering engine 19 does not work, and the first sealing plate 16 and the second sealing plate 17 are closed; when the material is leaked, the steering engine 19 swings for a certain angle, the swinging angle of the steering engine 19 is transmitted to the rocker arm 26 through the rotary gear 20, the rocker arm 26 drives the first sealing plate 16 to be opened, when the first sealing plate 16 is opened, the reducing hole 23 slides along the limiting rod 22, and the limiting hole 18 limits the maximum rotating angle of the rocker arm 26; at the same time, the rotary gear 20 drives the second sealing plate 17 to open through the transmission gear 21, so that material leakage is realized.
Example III
The agricultural unmanned aerial vehicle particle throwing method adopts the particle throwing device in the first embodiment and the second embodiment, and comprises the following steps:
(1) The particle sprinkling device is arranged at the lower end of the agricultural unmanned aerial vehicle body through a connecting rod, particles to be sprinkled are filled into the medicine kettle 2, the driving motor 9 is turned on, the driving motor 9 drives the propeller 10 to rotate, external air enters the sliding cover 4 through the air inlet 7 and the air inlet channel 6 and is discharged through the motor protection cover 8 and the sleeve 1, and the propeller 10 forms a downward wind field at a discharge hole of the sleeve 1;
(2) The throwing mechanism forms negative pressure in the sleeve 1, the sealing mechanism 3 is opened, particles are sucked out from the medicine kettle 2, the particles are dispersed between the sleeve 1 and the motor protection cover 8 along the outer side wall of the sliding cover 4, the sleeve 1 rectifies the particles, the particles are thrown through the downward-pressure wind field, the discharge of the particles is accelerated, and the blockage of the particles is avoided.
(3) When the throwing of the particles is completed, the sealing mechanism 3 and the driving motor 9 are closed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (3)
1. Agricultural unmanned aerial vehicle granule throwing device, its characterized in that: the automatic spraying device comprises a sleeve (1) and a medicine kettle (2), wherein the sleeve (1) is vertically arranged at the lower end of the medicine kettle (2), a discharge hole of the medicine kettle (2) is positioned at the upper side in the sleeve (1), a sealing mechanism (3) is arranged in the sleeve (1), a feed inlet of the sealing mechanism (3) is communicated with the discharge hole of the medicine kettle (2), a sliding cover (4) is arranged at the lower end of the discharge hole of the sealing mechanism (3), and a spraying mechanism for forming a downward-pressing wind field at the discharge hole of the sleeve (1) is arranged in the sleeve (1) at the lower end of the sliding cover (4);
the sliding cover (4) comprises a conical cover body (5) with a downward opening, air inlet channels (6) are uniformly distributed on the outer side wall of the conical cover body (5) along the circumferential direction, air inlets (7) are formed in positions, corresponding to the air inlet channels (6), of the sleeve (1), the air inlets (7) are in one-to-one correspondence with the air inlet channels (6) and are connected in a sealing mode, and the air inlets (7) and the air inlet channels (6) are matched to feed air to the inner side of the conical cover body (5);
the throwing mechanism comprises a motor protection cover (8), a vertically downward driving motor (9) is arranged in the motor protection cover (8), a propeller (10) is arranged at the output end of the driving motor (9), the upper end of the motor protection cover (8) is connected with the inner side wall of the sliding cover (4) in a sealing way, and the propeller (10) is positioned at a position close to a discharge hole of the sleeve (1);
the granule sprinkling method of the agricultural unmanned aerial vehicle comprises the following steps:
(1) The method comprises the steps of loading particles to be thrown into a medicine kettle (2), opening a driving motor (9), driving a propeller (10) to rotate by the driving motor (9), enabling an air inlet (7) and an air inlet channel (6) to be matched to enter air towards the inner side of a conical cover body (5), forming a downward wind field at a discharge hole of a sleeve (1), and forming negative pressure in the sleeve (1);
(2) Opening the sealing mechanism (3), dispersing particles along the outer side wall of the sliding cover (4) between the sleeve (1) and the motor protection cover (8), and throwing the particles through a downward-pressure wind field;
(3) When the throwing of the particles is completed, the sealing mechanism (3) and the driving motor (9) are closed;
the sealing mechanism (3) comprises a first fixed plate (12) and a second fixed plate (13), an inlet hole (14) communicated with a discharge hole of the medicine kettle (2) is formed in the second fixed plate (13), an outlet hole (15) is formed in the first fixed plate (12) corresponding to the position of the inlet hole (14), a first sealing plate (16) and a second sealing plate (17) matched with the first sealing plate (16) are arranged between the inlet hole (14) and the outlet hole (15), a rocker arm (26) is arranged on one side of the first sealing plate (16), one end of the rocker arm (26) is rotationally connected with the first sealing plate (16), a rotary gear (20) driven by a steering engine (19) is connected with the other end of the steering engine (19), one end, close to the rotary gear (20), of the second sealing plate (17) is rotationally connected with the first fixed plate (12), a transmission tooth (21) meshed with the rotary gear (20) is arranged, a limiting rod (22) is arranged on the first fixed plate (12), and one end, far away from the first sealing plate (16), of the second sealing plate (17), of the rotary gear (20) is provided with a limiting rod (23).
2. The agricultural unmanned aerial vehicle particle slinging device of claim 1, wherein: one end of the rocker arm (26) far away from the first sealing plate (16) is connected with the rotary gear (20) through a first screw (24), and is connected with the output end of the steering engine (19) through a second screw (25).
3. The agricultural unmanned aerial vehicle particle slinging device of claim 1 or 2, wherein: the rocker arm (26) is located one side of the first sealing plate (16) close to the second fixing plate (13), and a limiting hole (18) used for limiting the rotation angle of the rocker arm (26) is formed in the second fixing plate (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910446710.XA CN110104179B (en) | 2019-05-27 | 2019-05-27 | Agricultural unmanned aerial vehicle particle sprinkling device and sprinkling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446710.XA CN110104179B (en) | 2019-05-27 | 2019-05-27 | Agricultural unmanned aerial vehicle particle sprinkling device and sprinkling method |
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| CN110104179A CN110104179A (en) | 2019-08-09 |
| CN110104179B true CN110104179B (en) | 2023-09-19 |
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| CN201910446710.XA Active CN110104179B (en) | 2019-05-27 | 2019-05-27 | Agricultural unmanned aerial vehicle particle sprinkling device and sprinkling method |
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| CN114489115B (en) * | 2021-12-24 | 2023-11-03 | 安阳全丰航空植保科技股份有限公司 | Unmanned aerial vehicle particle throwing-based spray width detection method |
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| CN109515716A (en) * | 2018-11-26 | 2019-03-26 | 罗瑞琪 | A kind of agriculture unmanned plane air blast supercharging device of sowing |
| CN210175129U (en) * | 2019-05-27 | 2020-03-24 | 安阳全丰航空植保科技股份有限公司 | Agricultural unmanned aerial vehicle granule jettison device |
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2019
- 2019-05-27 CN CN201910446710.XA patent/CN110104179B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09271228A (en) * | 1996-04-08 | 1997-10-21 | Yanmar Agricult Equip Co Ltd | Fertilization device |
| CN106628184A (en) * | 2016-01-15 | 2017-05-10 | 深圳高科新农技术有限公司 | Dusting device and flying dusting device |
| CN205906219U (en) * | 2016-07-12 | 2017-01-25 | 云南绿飞农业科技有限公司 | Agricultural unmanned aerial vehicle powder releaser |
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| CN109515716A (en) * | 2018-11-26 | 2019-03-26 | 罗瑞琪 | A kind of agriculture unmanned plane air blast supercharging device of sowing |
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Effective date of registration: 20191224 Address after: 455000, Anyang, Henan Province North Zone Industrial Park Road, the middle of the North Road Applicant after: ANYANG QUANFENG AERIAL CROP PROTECTION TECHNOLOGY CO.,LTD. Applicant after: ANYANG QUANFENG BIOLOGICAL TECHNOLOGY CO.,LTD. Address before: 455000, Anyang, Henan Province North Zone Industrial Park Road, the middle of the North Road Applicant before: ANYANG QUANFENG AERIAL CROP PROTECTION TECHNOLOGY CO.,LTD. |
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