CN108402019A - A kind of plant protection drone convenient for medicine liquid spray - Google Patents
A kind of plant protection drone convenient for medicine liquid spray Download PDFInfo
- Publication number
- CN108402019A CN108402019A CN201810453012.8A CN201810453012A CN108402019A CN 108402019 A CN108402019 A CN 108402019A CN 201810453012 A CN201810453012 A CN 201810453012A CN 108402019 A CN108402019 A CN 108402019A
- Authority
- CN
- China
- Prior art keywords
- plate
- spray
- medicine
- medicine liquid
- liquid spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000007921 spray Substances 0.000 title claims abstract description 68
- 239000003814 drug Substances 0.000 title claims abstract description 63
- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 229940079593 drug Drugs 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010029216 Nervousness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
- A01M7/0032—Pressure sprayers
- A01M7/0042—Field sprayers, e.g. self-propelled, drawn or tractor-mounted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
-
- 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
- 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
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of plant protection drones convenient for medicine liquid spray,Including fuselage,The fuselage bottom end is surrounded by support leg,Support plate is equipped between the support leg,The support plate surface both ends are equipped with fixed plate,The fixed plate side is equipped with clamping plate,Spray tank is equipped between the clamping plate,The spray tank outer surface is equipped with spray pump and sub-tube,The support plate bottom end is equipped with the second hydraulic telescopic rod,Second hydraulic telescopic rod lower end is equipped with connecting rod,The connecting rod both ends are connected with medicine supplying pipe,The support leg is equipped with fixed frame,The fuselage both sides are equipped with horn,The horn end is equipped with propeller,The present invention,In medicine liquid spray,Reduce influence of the unmanned plane propeller wind-force to medicine liquid spray when,So that medicine liquid spray is uniform,Spray effect is good,And medicine supplying pipe can be dismantled and be put,It avoids it and the case where damaging of colliding with occurs,The replacement of the repair to medicine supplying pipe upper nozzle is also allowed for simultaneously.
Description
Technical field
The present invention relates to null vehicle technology field, specifically a kind of plant protection drones convenient for medicine liquid spray.
Background technology
Plant protection drone also known as unmanned vehicle, as the term suggests it is to protect the unmanned of operation to fly for agriculture and forestry plant
Machine, the type unmanned aerial vehicle fly control, spraying mechanism three parts group by flying platform (fixed-wing, helicopter, Multi-axis aircraft), navigation
At, by ground remote control or navigation fly control, to realize spraying operation, medicament, seed, pulvis etc., existing plant protection can be sprayed
The height of unmanned plane nozzle and agriculture and forestry plant can not be adjusted, when spraying liquid, since unmanned plane during flying is too low, and unmanned plane spiral
The wind-force that paddle rotation generates crops can be blown it is at random skew, it is uneven so as to cause medicine liquid spray, spray effect is low, and
Jet pipe can not folding and unfolding, damage of easily colliding with, be not easy to after damage repair replace.
Invention content
The purpose of the present invention is to provide a kind of plant protection drone convenient for medicine liquid spray, with solve in the prior art nobody
Machine sprinkler height is not easy to adjust, and sprays the problems such as uneven efficiency is low.
To achieve the above object, the present invention provides the following technical solutions：A kind of plant protection drone convenient for medicine liquid spray, packet
Fuselage is included, the fuselage bottom end is surrounded by support leg, support plate, the support plate surface both ends are equipped between the support leg
Equipped with fixed plate, the fixed plate side is equipped with clamping plate, is connected by buffer spring between the clamping plate and fixed plate, the folder
Spray tank is equipped between plate, the spray tank is detachably placed in support plate upper end, and the fuselage bottom end is stretched equipped with the first hydraulic pressure
Contracting bar, first hydraulic telescopic rod lower end are equipped with pressure plate, and the pressure plate is compressed with spray tank upper surface and connected, the medicine
Liquid case outer surface be equipped with spray pump and sub-tube, between the spray pump and spray tank be equipped with take out pencil, the spray pump with point
Drug discharging tube is equipped between pencil, the support plate bottom end is equipped with the second hydraulic telescopic rod, and second hydraulic telescopic rod lower end is set
There are connecting rod, the connecting rod both ends to be threaded with medicine supplying pipe, hose, the confession are equipped between the medicine supplying pipe and drug discharging tube
Pencil bottom end is equipped with nozzle, and the support leg is equipped with fixed frame, and the fuselage both sides are equipped with horn, and the horn end is equipped with
Propeller.
Preferably, the support leg bottom end is equipped with bottom bar, and the bottom bar bottom surface is equipped with beam.
Preferably, the medicine supplying pipe connecting pin is equipped with threaded connecting sleeve, and both ends are equipped with threaded connection slot in the connecting rod.
Preferably, there are six the nozzle is set altogether, the mutual equidistantly distributed of nozzle is in the bottom end of medicine supplying pipe.
Preferably, the fixed frame is in inner concavity, and the fixed frame is mounted on support leg centre position outboard end.
Preferably, the fixed frame is equipped with limiting plate, is connected by torsional spring between the limiting plate and fixed frame, described
Limiting plate inner surface, which is equipped with, compresses cotton.
Compared with prior art, the beneficial effects of the invention are as follows：In medicine liquid spray, unmanned plane propeller wind-force is reduced
Influence when to medicine liquid spray so that medicine liquid spray is uniform, and spray effect is good, and medicine supplying pipe can be dismantled and be put, it is avoided
There is the case where damaging of colliding with, while also allowing for the replacement of the repair to medicine supplying pipe upper nozzle, in the clamping plate of spray tank both sides setting
It can either be clamped fixation to spray tank, while can be acted on by buffer spring, when slowing down liquid shaking inside spray tank
What is generated rocks power, ensures the stability of unmanned plane, and in the first hydraulic telescopic rod lower end, the pressure plate of setting is used for spray tank
It is fixed, improves the stability of medicine-chest, the fixed frame of setting is used to put the medicine supplying pipe of dismounting in support leg both sides, supplies
Pencil, which is put, not to take up space conveniently, is not easy to collide with, and the limiting plate being arranged on fixed frame can be by compressing cotton effect to putting
Medicine supplying pipe carry out limit compression, avoid its sliding from falling, bottom bar bottom surface setting beam can be when unmanned plane lands
Slow down the vibratory forces generated when unmanned plane is contacted with bottom surface, damping, buffering protection is provided for unmanned plane landing.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is spray tank of the present invention, spray pump and drug discharging tube connection diagram.
Fig. 3 is medicine supplying pipe of the present invention and connecting rod connection diagram.
Fig. 4 is fixed rack structure schematic diagram of the present invention.
In figure：1, propeller；2, horn；3, fuselage；4, pressure plate；5, the first hydraulic telescopic rod；6, spray tank；7, it supports
Leg；8, clamping plate；9, buffer spring；10, fixed frame；11, support plate；12, bottom bar；13, fixed plate；14, hose；15, the second liquid
Press telescopic rod；16, beam；17, medicine supplying pipe；18, nozzle；19, connecting rod；20, pencil is taken out；21, spray pump；22, drug discharging tube；
23, sub-tube；24, threaded connecting sleeve, 25, threaded connection slot；26, torsional spring；27, limiting plate；28, cotton is compressed.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-4, in the embodiment of the present invention, a kind of plant protection drone convenient for medicine liquid spray, including fuselage 3, machine
3 bottom end of body is surrounded by support leg 7, and support plate 11 is equipped between support leg 7, and 11 surface both ends of support plate are equipped with fixed plate 13,
13 side of fixed plate is equipped with clamping plate 8, is connected by buffer spring 9 between clamping plate 8 and fixed plate 13, and liquid is equipped between clamping plate 8
Case 6, spray tank 6 are detachably placed in 11 upper end of support plate, and clamping plate 8 can either be clamped fixation to spray tank 6, while can
Acted on by buffer spring 9, slow down generated when 6 inside liquid of spray tank shakes rock power, ensure the stability of unmanned plane, machine
3 bottom end of body is equipped with the first hydraulic telescopic rod 5, and 5 lower end of the first hydraulic telescopic rod is equipped with pressure plate 4, on pressure plate 4 and spray tank 6
Surface compresses connection, and pressure plate 4 improves the stability of spray tank 6,6 appearance of spray tank for being fixed to spray tank 6
Face is equipped with spray pump 21 and sub-tube 23, is equipped between spray pump 21 and spray tank 6 and takes out pencil 20, spray pump 21 and sub-tube 23
Between be equipped with drug discharging tube 22,11 bottom end of support plate be equipped with the second hydraulic telescopic rod 15,15 lower end of the second hydraulic telescopic rod be equipped with connect
Extension bar 19,19 both ends of connecting rod are threaded with medicine supplying pipe 17, and hose 14, medicine supplying pipe are equipped between medicine supplying pipe 17 and drug discharging tube 22
17 bottom ends are equipped with nozzle 18, and support leg 7 is equipped with fixed frame 10, and fixed frame 10 is used to put the medicine supplying pipe 17 of dismounting, medicine supplying pipe
17, which put convenience, does not take up space, and is not easy to collide with, and 3 both sides of fuselage are equipped with horn 2, and 2 end of horn is equipped with propeller 1,7 bottom of support leg
End be equipped with bottom bar 12,12 bottom surface of bottom bar be equipped with beam 16, beam 16 can slow down when unmanned plane land unmanned plane and
The vibratory forces that bottom surface generates when contacting provide damping, buffering protection for unmanned plane landing, and 17 connecting pin of medicine supplying pipe connects equipped with screw thread
Female connector 24, both ends, which are equipped with, in connecting rod 19 is threadedly coupled slot 25, and there are six nozzle 18 is set altogether, nozzle 18 is between each other equidistantly point
Cloth is in the bottom end of medicine supplying pipe 17, and fixed frame 10 is in inner concavity, and fixed frame 10 is mounted on 7 centre position outboard end of support leg, fixed
Frame 10 is equipped with limiting plate 27, is connected by torsional spring 26 between limiting plate 27 and fixed frame 10, and 27 inner surface of limiting plate is equipped with pressure
Tight cotton 28, limiting plate 27 can carry out limit compression to the medicine supplying pipe 17 put by compressing the effect of cotton 28, its sliding avoided to fall
It falls.
The present invention operation principle be：Power supply is equipped in fuselage 3, spray tank 6 is placed in support plate 11, the clamping plate of both sides
8 can be acted on by buffer spring 9, be clamped to spray tank 6, and simultaneous buffering spring 9 can slow down 6 inside liquid of spray tank and shake
What is generated when dynamic rocks power, ensures the stability of unmanned plane, starts the first hydraulic telescopic rod 5, and the first hydraulic telescopic rod 5 pushes pressure
Tight plate 4 moves down, and stops moving down when pressure plate 4 compresses spray tank 6, and unmanned plane lift-off to suitable position starts medicine-sucking pump 20, takes out
Liquid in spray tank 6 is extracted into medicine supplying pipe 17 by Teat pipette 20, is then sprayed by the nozzle 18 of medicine supplying pipe 17, is passed through adjusting
Second hydraulic telescopic rod 15 so that medicine supplying pipe 17 moves down into the sprinkling that maximum distance is convenient for liquid, at this time due to the spiral shell of unmanned plane
Rotation paddle 1 has certain altitude apart from crops to be sprayed, and crops are smaller by the effect of 1 wind-force of propeller, are not in the torsion that skews
Bent situation, such liquid will uniformly be sprayed at crop surface so that medicine liquid spray effect reaches best, waits for medicine liquid spray
After the completion, the second hydraulic telescopic rod 15 is adjusted so that medicine supplying pipe 17 moves up, unmanned plane stable landing, being connected through a screw thread set 24 will
Medicine supplying pipe 17 is dismantled, and is then placed on fixed frame 10, is fixed by limiting plate 27, is used convenient for next time.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of plant protection drone convenient for medicine liquid spray, including fuselage (3), it is characterised in that：Fuselage (3) bottom end surrounding
Equipped with support leg (7), support plate (11) is equipped between the support leg (7), support plate (11) the surface both ends, which are equipped with, to be fixed
Plate (13), fixed plate (13) side are equipped with clamping plate (8), pass through buffer spring between the clamping plate (8) and fixed plate (13)
(9) it connecting, spray tank (6) is equipped between the clamping plate (8), the spray tank (6) is detachably placed in support plate (11) upper end,
Fuselage (3) bottom end is equipped with the first hydraulic telescopic rod (5), and the first hydraulic telescopic rod (5) lower end is equipped with pressure plate (4),
The pressure plate (4) compresses with spray tank (6) upper surface and connects, and spray tank (6) outer surface is equipped with spray pump (21) and divides
Pencil (23) is equipped between the spray pump (21) and spray tank (6) and takes out pencil (20), the spray pump (21) and sub-tube
(23) drug discharging tube (22) is equipped between, support plate (11) bottom end is equipped with the second hydraulic telescopic rod (15), second hydraulic pressure
Telescopic rod (15) lower end is equipped with connecting rod (19), and connecting rod (19) both ends are threaded with medicine supplying pipe (17), described for medicine
It manages and is equipped with hose (14) between (17) and drug discharging tube (22), medicine supplying pipe (17) bottom end is equipped with nozzle (18), the support leg
(7) it is equipped with fixed frame (10), fuselage (3) both sides are equipped with horn (2), and horn (2) end is equipped with propeller (1).
2. a kind of plant protection drone convenient for medicine liquid spray according to claim 1, it is characterised in that：The support leg (7)
Bottom end is equipped with bottom bar (12), and bottom bar (12) bottom surface is equipped with beam (16).
3. a kind of plant protection drone convenient for medicine liquid spray according to claim 1, it is characterised in that：The medicine supplying pipe (17)
Connecting pin is equipped with threaded connecting sleeve (24), and the interior both ends of the connecting rod (19), which are equipped with, is threadedly coupled slot (25).
4. a kind of plant protection drone convenient for medicine liquid spray according to claim 1, it is characterised in that：The nozzle (18) is altogether
There are six if, bottom end of the mutual equidistantly distributed of the nozzle (18) in medicine supplying pipe (17).
5. a kind of plant protection drone convenient for medicine liquid spray according to claim 1, it is characterised in that：The fixed frame (10)
In inner concavity, the fixed frame (10) is mounted on support leg (7) centre position outboard end.
6. a kind of plant protection drone convenient for medicine liquid spray according to claim 1, it is characterised in that：The fixed frame (10)
It is equipped with limiting plate (27), is connect by torsional spring (26) between the limiting plate (27) and fixed frame (10), the limiting plate
(27) inner surface, which is equipped with, compresses cotton (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453012.8A CN108402019A (en) | 2018-05-14 | 2018-05-14 | A kind of plant protection drone convenient for medicine liquid spray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453012.8A CN108402019A (en) | 2018-05-14 | 2018-05-14 | A kind of plant protection drone convenient for medicine liquid spray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108402019A true CN108402019A (en) | 2018-08-17 |
Family
ID=63139026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810453012.8A Withdrawn CN108402019A (en) | 2018-05-14 | 2018-05-14 | A kind of plant protection drone convenient for medicine liquid spray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108402019A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180354624A1 (en) * | 2017-06-08 | 2018-12-13 | Yongbiao Liu | Drone for Agriculture |
| CN109263989A (en) * | 2018-08-21 | 2019-01-25 | 孙炳连 | A kind of plant protection drone |
| CN109677613A (en) * | 2019-01-26 | 2019-04-26 | 乾美航空科技邢台有限公司 | A kind of big payload helicopter imitates landform spray appliance with plant protection |
| CN110027712A (en) * | 2019-04-10 | 2019-07-19 | 塔里木大学 | A kind of essence amount device for administration of drugs of cotton diseases and insect pests prevention and treatment |
| CN112357088A (en) * | 2020-10-27 | 2021-02-12 | 湖北山石智能科技有限公司 | Plant protection unmanned aerial vehicle spray tank fixing base |
| CN112429239A (en) * | 2020-11-17 | 2021-03-02 | 司徒海酮 | Unmanned aerial vehicle for spraying pesticide and method thereof |
| CN113277086A (en) * | 2021-05-11 | 2021-08-20 | 中国热带农业科学院橡胶研究所 | Multi-rotor-wing smoke type plant protection unmanned aerial vehicle |
| CN113306723A (en) * | 2021-05-24 | 2021-08-27 | 中国热带农业科学院橡胶研究所 | Pesticide sprays operation unmanned aerial vehicle's sprinkler |
-
2018
- 2018-05-14 CN CN201810453012.8A patent/CN108402019A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180354624A1 (en) * | 2017-06-08 | 2018-12-13 | Yongbiao Liu | Drone for Agriculture |
| US10364029B2 (en) * | 2017-06-08 | 2019-07-30 | Yongbiao Liu | Drone for agriculture |
| CN109263989A (en) * | 2018-08-21 | 2019-01-25 | 孙炳连 | A kind of plant protection drone |
| CN109677613A (en) * | 2019-01-26 | 2019-04-26 | 乾美航空科技邢台有限公司 | A kind of big payload helicopter imitates landform spray appliance with plant protection |
| CN110027712A (en) * | 2019-04-10 | 2019-07-19 | 塔里木大学 | A kind of essence amount device for administration of drugs of cotton diseases and insect pests prevention and treatment |
| CN112357088A (en) * | 2020-10-27 | 2021-02-12 | 湖北山石智能科技有限公司 | Plant protection unmanned aerial vehicle spray tank fixing base |
| CN112429239A (en) * | 2020-11-17 | 2021-03-02 | 司徒海酮 | Unmanned aerial vehicle for spraying pesticide and method thereof |
| CN113277086A (en) * | 2021-05-11 | 2021-08-20 | 中国热带农业科学院橡胶研究所 | Multi-rotor-wing smoke type plant protection unmanned aerial vehicle |
| CN113306723A (en) * | 2021-05-24 | 2021-08-27 | 中国热带农业科学院橡胶研究所 | Pesticide sprays operation unmanned aerial vehicle's sprinkler |
| CN113306723B (en) * | 2021-05-24 | 2023-01-10 | 中国热带农业科学院橡胶研究所 | A spraying device for a pesticide spraying drone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108402019A (en) | A kind of plant protection drone convenient for medicine liquid spray | |
| TWI598269B (en) | Unmanned flying spraying system | |
| CN203921200U (en) | The unmanned fog machine of many rotors | |
| CN209567085U (en) | A kind of easy-to-mount pesticide spraying plant protection drone | |
| CN208242678U (en) | A kind of plant protection drone convenient for medicine liquid spray | |
| WO2019205140A1 (en) | Agricultural drone | |
| CN108990945A (en) | A kind of more rotor plant protection drones of ultra-wide spraying swath | |
| CN205922630U (en) | Small -size pesticide sprays unmanned aerial vehicle suitable for south hilly area | |
| CN211996156U (en) | Agricultural unmanned aerial vehicle convenient to adjust and spray angle | |
| CN204674832U (en) | A kind of herbal sprinkling unmanned plane | |
| CN210445442U (en) | Unmanned aerial vehicle device of spraying insecticide | |
| CN211196596U (en) | Plant protection unmanned aerial vehicle descending protector | |
| CN208498802U (en) | A kind of unmanned plane fruit-tree spraying device | |
| CN206024971U (en) | Plant protection unmanned aerial vehicle's folding spray lance device | |
| CN205418100U (en) | Plant protection unmanned plane | |
| CN115477014A (en) | A drone for pesticide spraying | |
| CN207809783U (en) | A kind of crops spray unmanned plane automatically | |
| WO2023028840A1 (en) | Plant protection unmanned aerial vehicle, and operation method and spraying assembly of plant protection unmanned aerial vehicle | |
| CN206687001U (en) | A kind of flusher for driving away pest and disease damage | |
| CN208134629U (en) | A kind of unmanned plane flies anti-spraying apparatus | |
| CN207678723U (en) | A kind of unmanned plane for fruit tree plant protection | |
| CN208181432U (en) | A kind of overhead remote control plant protection machine of symmetrical expression centre of gravity | |
| CN108402012A (en) | A kind of plant protection drone being readily transported | |
| CN208760905U (en) | A kind of agricultural vegetables plant protection drone | |
| CN209535456U (en) | A kind of quality guarantee unmanned plane of the pesticide spraying convenient for folding storage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180817 |