CN205837204U - A kind of plant protection unmanned plane rotatable spray boom and plant protection unmanned plane thereof - Google Patents
A kind of plant protection unmanned plane rotatable spray boom and plant protection unmanned plane thereof Download PDFInfo
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- CN205837204U CN205837204U CN201620835438.6U CN201620835438U CN205837204U CN 205837204 U CN205837204 U CN 205837204U CN 201620835438 U CN201620835438 U CN 201620835438U CN 205837204 U CN205837204 U CN 205837204U
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- spray boom
- unmanned plane
- plant protection
- connecting rod
- protection unmanned
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Abstract
The utility model discloses a kind of rotatable spray boom of plant protection unmanned plane and plant protection unmanned plane thereof, belong to plant protection unmanned plane field.A kind of rotatable spray boom of plant protection unmanned plane of the present utility model, seat is fixed including fixed mount, body cradle, power transmission shaft, first connecting rod, second connecting rod and spray boom, described body cradle is fixed on below fixed mount, described body cradle, first connecting rod, second connecting rod and spray boom are fixed seat and are hinged composition quadric chain, first connecting rod is fixing with the power transmission shaft driven on motor to be connected, fix to connect on seat at spray boom and have spray boom, be disposed with shower nozzle along spray bar length direction, or be directly connected to loading hose.This utility model controls the rotation of spray boom, stabilized structure by quadric chain, rotates flexibly, is favorably improved fruit tree and sprays the uniformity of dispenser.
Description
Technical field
This utility model relates to plant protection unmanned air vehicle technique field, more particularly, it relates to a kind of plant protection unmanned plane is with revolving
Turn spray boom and plant protection unmanned plane thereof.
Background technology
Plant protection unmanned plane the most more and more enters in modern agriculture operation, mostly in Plain or hilly country at present
On carry out spraying operation.When spraying common crops, the spray boom of plant protection unmanned plane can be horizontally disposed with, and sprays the most equal
Even.But in orchard forestry spraying operation, the spray boom angle of unmanned plane fog machine be affect pesticide spraying quality important because of
Element, simultaneously most important to the flight safety of unmanned plane fog machine.
Due to the particularity of orchard forestry plant protection, generally for ensureing to spray prevention effect, it is required that unmanned plane plant protection
Machine keeps a relatively low altitude.But owing to the growth of trees is random, the distance of trees surrounding is also different,
Plant protection unmanned plane spray boom be easy to encounter around trees and damage.
In order to not allow unmanned plane fog machine in spraying operation because spray boom encounters trees damage, flight width the most all can be left
Degree surplus, but highly it is difficult to control during actual job, therefore, can only be in trees top spray operation.General trees
Become sector structure growth, not good from trees surrounding spray effect from the effect of trees top spray.And existing unmanned plane is planted
Spray boom on guarantor's machine flusher is mostly integrally fixed on undercarriage or on medicine-chest, therefore, has two problems needing to solve: 1,
In order to trees being reached preferable spray effect, it is desirable to the spray boom of plant protection unmanned plane has certain anglec of rotation；2, due to reality
The complexity of operation, it is desirable to the angle of spray boom is according to the alteration of form of trees.
Find through retrieval, open, such as Chinese patent about the existing partial monopoly document of rotatable unmanned plane spray boom technology
Number: ZL201520950301.0, authorized announcement date: on April 13rd, 2016, invention and created name is: plant protection unmanned plane spray boom and
Plant protection unmanned plane, this application case discloses a kind of plant protection unmanned plane spray boom and plant protection unmanned plane, and plant protection unmanned plane spray boom includes spray
Bar main body, spray boom main body is evenly equipped with shower nozzle on along its length, be provided with the controller for controlling its flight in plant protection unmanned plane；
The end of spray boom main body is arranged on plant protection unmanned plane by support, and spray boom main body has the degree of freedom rotated along support, support
In be provided with gear-box, gear-box is provided with the reduction gearing fixed with spray boom main body, and the master being meshed with reduction gearing
Moving gear, support is externally provided with motor, and the output shaft of motor passes gear-box, is connected on driving gear, spray boom master
Body is additionally provided with distance measuring sensor, and motor, distance measuring sensor all connect with controller signals.
Although this patent formula is capable of rotating purpose, but it is directly connected to spray boom in the rotating shaft of reductor, by
Length and distribution of weight reason in spray boom, it is easy to fracture in junction, structure design is unreasonable.
And for example China Patent No.: ZL 201520643208.5, authorized announcement date: on February 24th, 2016, innovation and creation name
Be referred to as: a kind of plant protection unmanned plane pesticide spraying device, a kind of plant protection unmanned plane pesticide spraying device, including membrane pump, spray boom and
Umbrella shape shower nozzle, described membrane pump one end is connected with medicine-chest, the other end is connected with described spray boom, and described spray boom includes fork and horizontal stroke
Bar, described fork includes three sections of contraction poles being mutually inserted, and the contraction pole at middle part is shunk by Coupling with the contraction pole of both sides
And elongate support, the contraction pole of both sides is connected with cross bar, and cross bar arranges described umbrella shape shower nozzle.
This patent formula uses connecting rod form drive spray boom to rotate, but its major function is to realize folding, namely
Flexible by expansion link realizes being rotated up of spray boom, and in spraying operation, mainly needs spray boom to rotate down, because of
This, this patent formula is unable to reach preferable spray effect.
Utility model content
1. utility model to solve the technical problem that
The purpose of this utility model is to overcome the spray boom of plant protection unmanned plane in prior art can not rotate to adapt to fruit tree
Spray the deficiency of dispenser, it is provided that a kind of plant protection unmanned plane rotatable spray boom and plant protection unmanned plane thereof, this utility model passes through
Quadric chain controls the rotation of spray boom, stabilized structure, rotates flexibly, is favorably improved the uniformity of sprayer spraying fruit tree medicine.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is:
A kind of rotatable spray boom of plant protection unmanned plane of the present utility model, including fixed mount, body cradle, power transmission shaft, first
Connecting rod, second connecting rod and spray boom fix seat, and described body cradle is fixed on below fixed mount, described body cradle, first connecting rod, second
Connecting rod and spray boom are fixed seat and are hinged composition quadric chain, and first connecting rod is fixing with the power transmission shaft driven on motor to be connected,
Spray boom fixes connection on seat spray boom.
Further improving as this utility model, described driving motor is fixed on fixed mount side, and power transmission shaft leads to
Cross bearing block to be arranged on fixed mount.
Further improving as this utility model, it is solid that described first connecting rod and second connecting rod are all symmetricly set on spray boom
Reservation both sides.
Further improve as this utility model, described spray boom is wound with loading hose, loading hose connects
It is connected to sprinkler head, and the spout of sprinkler head is downward.
Further improving as this utility model, be disposed with shower nozzle along spray bar length direction, this shower nozzle is positioned at
Below spray boom, shower nozzle water inlet is connected with the loading hose on spray boom.
Further improving as this utility model, described spray boom is fixed seat and is internally provided with loading hole, loading hose
Spray boom central cavity is pierced into from loading hole.
Further improving as this utility model, described spray boom is symmetrically mounted on unmanned plane both sides, fixing of both sides
Frame is connected by middle part connecting rod.
A kind of plant protection unmanned plane that this use is novel, including unmanned plane body and medicine-chest, equipped with power on unmanned plane body
Profit requires the rotatable spray boom according to any one of 1～9, and wherein, the loading hose in spray boom connects with medicine-chest.
Further improving as this utility model, be fixed with hanger bar below described unmanned plane body, middle part connects
Bar is connected with hanger bar, arranges rotatable spray rod device at connecting rod two ends, middle part.
Further improve as this utility model, described unmanned plane body is provided with camera head.
3. beneficial effect
The technical scheme using this utility model to provide, compared with prior art, has the advantages that
(1) a kind of rotatable spray boom of plant protection unmanned plane of the present utility model, body cradle, first connecting rod, second connecting rod and
Spray boom is fixed be hinged composition quadric chain, first connecting rod and second connecting rod of seat and is all symmetricly set on spray boom and fixes seat both sides,
By driving motor controlling rotary angle, not only structural strength is high, and rotates flexibly, it is easy to adjust spray boom angle, permissible
Make spray boom preferably cover above fruit tree, be suitably for sprayer spraying fruit tree medicine and use；
(2) a kind of rotatable spray boom of plant protection unmanned plane of the present utility model, uses loading hose to carry out loading, this loading
Flexible pipe is quality of rubber materials, can avoid the medicine corrosion to spray boom, and be easier to seal；This loading hose can be wrapped in spray
On bar and carry shower nozzle, or inserting jet pipe shower nozzle with jet pipe on and is combined, different occupation modes all can reach control turn
The purpose of dynamic angle；
(3) a kind of plant protection unmanned plane of the present utility model, is arranged on rotatable spray rod device on unmanned plane body, and right
Claim to be arranged on unmanned plane body both sides, middle connected by middle part connecting rod, then two side sprays can be adjusted the most respectively
The rotational angle of bar, is prevented effectively from the collision with trees, has preferable using effect, reasonable in design, and principle is simple, just
In promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotatable spray boom of a kind of plant protection unmanned plane of the present utility model；
Fig. 2 is the structural representation driving motor and fixed mount in this utility model；
Fig. 3 is the structural representation of a kind of plant protection unmanned plane in this utility model.
Label declaration in schematic diagram: 1, middle part connecting rod；2, fixed mount；3, body cradle；4, power transmission shaft；5, first even
Bar；6, second connecting rod；7, spray boom fixes seat；8, loading hole；9, spray boom；10, shower nozzle；11, motor is driven；12, unmanned plane body；
13, hanger bar；14, medicine-chest；15, loading hose.
Detailed description of the invention
For further appreciating that content of the present utility model, in conjunction with the accompanying drawings and embodiments this utility model is described in detail.
Embodiment 1
In conjunction with Fig. 1, Fig. 2, a kind of rotatable spray boom of plant protection unmanned plane of the present embodiment, including fixed mount 2, body cradle 3,
Power transmission shaft 4, first connecting rod 5, second connecting rod 6 and spray boom fix seat 7, and body cradle 3 is fixed on below fixed mount 2, and both connect into
Integrative-structure, wherein, it is hinged that the lower end of body cradle 3 and spray boom fix seat 7 end, and spray boom fixes seat 7 apart from end certain distance
Place is hinged with second connecting rod 6, and the other end of second connecting rod 6 and one end of first connecting rod 5 are hinged, and first connecting rod 5 other end is fixed
On power transmission shaft 4, this power transmission shaft 4 is arranged on fixed mount 2 by bearing block, then, body cradle 3, first connecting rod 5, second are even
Bar 6 and spray boom are fixed seat 7 and are formed quadric chain, relatively can swing.Fixed mount 2 side is provided with driving motor 11, transmission
Axle 4 drives by driving motor 11.
When power transmission shaft 4 rotates, first connecting rod 5 swings, so drive second connecting rod 6 action, make spray boom fix seat 7 around
Its end pin joint swings, and fixing to connect on seat 7 at spray boom has spray boom 9, then can realize the purpose driving spray boom 9 to rotate.
Further, the fixed mount 2 in the present embodiment is a rectangular frame, and as shown in Figure 2, body cradle 3 is V-arrangement knot
Structure, the upper end of body cradle 3 fixes with fixed mount 2 bottom surface.Spray boom is fixed seat 7 and is had certain width, first connecting rod 5 and second
Connecting rod 6 is all symmetricly set on spray boom and fixes seat 7 both sides, is equivalent to spray boom and fixes seat 7 both sides and be provided with a quadric chain,
Then there is higher structural strength, reduce spray bar length and the gravity impact on control accuracy.
In use, fixed mount 2 can be affixed directly on unmanned plane, it is possible to two fixed mounts 2 are connected by middle part
Extension bar 1 is connected, then middle part connecting rod 1 is fixed on unmanned plane, and namely two spray booms 9 are symmetrically mounted on unmanned plane both sides,
The angle of spray boom 9 can be adjusted respectively to adapt to the use demand that plant protection is sprayed.
Embodiment 2
A kind of rotatable spray boom of plant protection unmanned plane of the present embodiment, its basic structure is same as in Example 1, its difference
Place is: the present embodiment is wound with loading hose on spray boom 9, and connecting on loading hose has sprinkler head, and the spray of sprinkler head
Mouth is downwards.This loading hose is connected with medicine-chest, can directly carry out plant protection work.
Spray boom 9 in the present embodiment primarily serves support loading hose effect, and loading hose can use quality of rubber materials.Adopt
On the one hand can reduce the medicine corrosion to spray boom by this structure, on the other hand have better seal, medicine is not easy to let out
Dew.
Embodiment 3
A kind of rotatable spray boom of plant protection unmanned plane of the present embodiment, its basic structure is same as in Example 1, its difference
Place is: be disposed with shower nozzle 10 along spray boom 9 length direction, and this shower nozzle 10 is positioned at below spray boom 9, shower nozzle 10 water inlet and spray
Loading hose on bar 9 is connected.Shower nozzle 10 is fixed on below spray boom 9, and stability is more preferable, is not easy to rotate deflection during use.
Further, spray boom 9 is the tubular structure of hollow, and described spray boom is fixed seat 7 and is internally provided with loading hole 8, loading
Flexible pipe pierces into spray boom 9 central cavity from loading hole 8.Loading hose is arranged on inside spray boom, loading hose is had preferably
Protective effect, prevents it from being scratched by outside branch.
Embodiment 4
In conjunction with Fig. 3, for the rotatable spray boom of plant protection unmanned plane in above-described embodiment, present invention also offers one kind and plant
Protecting unmanned plane, this plant protection unmanned plane is mainly made up of unmanned plane body 12 and medicine-chest 14, equipped with revolving on unmanned plane body 12
Turning spray boom, wherein, the loading hose 15 in spray boom 9 connects with medicine-chest 14.Hanger bar 13 it is fixed with below unmanned plane body 12, in
Portion's connecting rod 1 is connected with hanger bar 13, arranges rotatable spray rod device at middle part connecting rod 1 two ends, just may utilize this plant protection without
Man-machine carry out spraying operation.Camera head also can be set on unmanned plane body 12, it is simple to object, observation are sprayed in clearer observation
Plant growing way etc..
Time specifically used, installing rotatable spray boom, the driving motor 11 then controlling both sides rotates, first connecting rod 5 around
The central axial lower swing of power transmission shaft 4, and be delivered to spray boom by 6 motions of second connecting rod and fix seat 7, make spray boom fix seat 7
Rotate with the jointed shaft of body cradle 3 around it, and then realize the rotation that spray boom 9 is downward, along the spacing of spray boom 9 length direction Yu trees
More uniform, the uniformity spraying dispenser is more preferable.Additionally, two driving motors 11 also can be controlled respectively so that it is rotational angle is not
With, to avoid other trees work influence to plant protection unmanned plane, it is prevented effectively from the collision with trees, has and preferably use effect
Really, reasonable in design, principle is simple, it is simple to promote the use of.
Schematically being described this utility model and embodiment thereof above, this description does not has restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, creating in the case of objective without departing from this utility model, designing without creative
The frame mode similar to this technical scheme and embodiment, all should belong to protection domain of the present utility model.
Claims (10)
1. the rotatable spray boom of plant protection unmanned plane, it is characterised in that: include fixed mount (2), body cradle (3), power transmission shaft
(4), first connecting rod (5), second connecting rod (6) and spray boom fix seat (7), described body cradle (3) is fixed on fixed mount (2) lower section,
Described body cradle (3), first connecting rod (5), second connecting rod (6) and spray boom are fixed seat (7) and are hinged composition quadric chain, and first
Connecting rod (5) is fixing with the power transmission shaft (4) driven on motor (11) to be connected, and fixing the upper connection of seat (7) at spray boom has spray boom (9).
A kind of rotatable spray boom of plant protection unmanned plane the most according to claim 1, it is characterised in that: described driving motor
(11) being fixed on fixed mount (2) side, power transmission shaft (4) is arranged on fixed mount (2) by bearing block.
A kind of rotatable spray boom of plant protection unmanned plane the most according to claim 1, it is characterised in that: described first connecting rod
(5) all it is symmetricly set on spray boom fixes seat (7) both sides with second connecting rod (6).
A kind of rotatable spray boom of plant protection unmanned plane the most according to claim 1, it is characterised in that: on described spray boom (9)
Being wound with loading hose, connecting on loading hose has sprinkler head, and the spout of sprinkler head is downward.
A kind of rotatable spray boom of plant protection unmanned plane the most according to claim 1, it is characterised in that: along spray boom (9) length
Direction is disposed with shower nozzle (10), and this shower nozzle (10) is positioned at spray boom (9) lower section, on shower nozzle (10) water inlet and spray boom (9)
Loading hose is connected.
A kind of rotatable spray boom of plant protection unmanned plane the most according to claim 5, it is characterised in that: described spray boom fixes seat
(7) being internally provided with loading hole (8), loading hose pierces into spray boom (9) central cavity from loading hole (8).
7. according to a kind of rotatable spray boom of plant protection unmanned plane according to any one of Claims 1 to 5, it is characterised in that: institute
Stating spray boom (9) and be symmetrically mounted on unmanned plane both sides, the fixed mount (2) of both sides is connected by middle part connecting rod (1).
8. a plant protection unmanned plane, including unmanned plane body (12) and medicine-chest (14), it is characterised in that: in unmanned plane body (12)
On equipped with the rotatable spray boom according to any one of claim 1～7, wherein, the loading hose (15) in spray boom (9) and medicine-chest
(14) connection.
A kind of plant protection unmanned plane the most according to claim 8, it is characterised in that: described unmanned plane body (12) lower section is fixing
There are hanger bar (13), middle part connecting rod (1) to be connected with hanger bar (13), rotatable spray boom is set at middle part connecting rod (1) two ends
Device.
A kind of plant protection unmanned plane the most according to claim 8, it is characterised in that: described unmanned plane body (12) is upper to be arranged
There is camera head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835438.6U CN205837204U (en) | 2016-08-03 | 2016-08-03 | A kind of plant protection unmanned plane rotatable spray boom and plant protection unmanned plane thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835438.6U CN205837204U (en) | 2016-08-03 | 2016-08-03 | A kind of plant protection unmanned plane rotatable spray boom and plant protection unmanned plane thereof |
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| Publication Number | Publication Date |
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| CN205837204U true CN205837204U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620835438.6U Expired - Fee Related CN205837204U (en) | 2016-08-03 | 2016-08-03 | A kind of plant protection unmanned plane rotatable spray boom and plant protection unmanned plane thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472538A (en) * | 2017-07-18 | 2017-12-15 | 深圳市雷凌广通技术研发有限公司 | A kind of Intelligent unattended machine for pesticide spraying |
| CN107985596A (en) * | 2018-01-15 | 2018-05-04 | 安徽翼讯飞行安全技术有限公司 | A kind of plant protection unmanned plane |
| CN108248866A (en) * | 2018-01-16 | 2018-07-06 | 安徽翼讯飞行安全技术有限公司 | A kind of more rotor plant protection unmanned planes |
| CN108849807A (en) * | 2018-05-16 | 2018-11-23 | 农业部南京农业机械化研究所 | For adjusting the compact automatic folding device of plant protection drone spray boom height |
| CN108945472A (en) * | 2018-08-01 | 2018-12-07 | 芜湖彰鸿工程技术有限公司 | Spray unmanned plane |
| CN109263989A (en) * | 2018-08-21 | 2019-01-25 | 孙炳连 | A kind of plant protection drone |
| CN109287442A (en) * | 2018-11-08 | 2019-02-01 | 赵雪虎 | A kind of water flow driving Chinese herbal medicine Irrigation shower head |
| CN109305366A (en) * | 2018-09-17 | 2019-02-05 | 三明学院 | A kind of novel spray boom and unmanned plane sprinkling system |
| WO2019048907A1 (en) * | 2017-09-08 | 2019-03-14 | Pleatman Andrew | Angle-adjusting sub-assembly and unmanned aerial vehicle and apparatus comprising same |
| CN109677614A (en) * | 2019-01-31 | 2019-04-26 | 临沂大学 | A kind of plant protection drone |
| CN110001964A (en) * | 2019-04-24 | 2019-07-12 | 罗嘉宇 | A kind of pesticide spraying plant protection drone |
| CN110341960A (en) * | 2019-08-21 | 2019-10-18 | 广州极飞科技有限公司 | Liquid-jet device Wiring structure, spray system and unmanned machine |
| CN111938709A (en) * | 2020-07-22 | 2020-11-17 | 西安交通大学医学院第一附属医院 | Body fluid storage device |
| CN111994282A (en) * | 2020-09-30 | 2020-11-27 | 海南中橡科技有限公司 | Rotatable medicine unmanned aerial vehicle that spouts |
| CN113693051A (en) * | 2018-12-10 | 2021-11-26 | 拜耳公司 | Spray vehicle |
| CN113841677A (en) * | 2021-10-29 | 2021-12-28 | 深圳市丰农源科技有限公司 | Plant protection unmanned aerial vehicle's flexible folding spray arm |
| CN114506457A (en) * | 2022-03-11 | 2022-05-17 | 山东理工大学 | Large-load plant protection unmanned aerial vehicle with adjustable spraying amplitude and pesticide application amount |
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2016
- 2016-08-03 CN CN201620835438.6U patent/CN205837204U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472538A (en) * | 2017-07-18 | 2017-12-15 | 深圳市雷凌广通技术研发有限公司 | A kind of Intelligent unattended machine for pesticide spraying |
| WO2019048907A1 (en) * | 2017-09-08 | 2019-03-14 | Pleatman Andrew | Angle-adjusting sub-assembly and unmanned aerial vehicle and apparatus comprising same |
| CN107985596A (en) * | 2018-01-15 | 2018-05-04 | 安徽翼讯飞行安全技术有限公司 | A kind of plant protection unmanned plane |
| CN108248866A (en) * | 2018-01-16 | 2018-07-06 | 安徽翼讯飞行安全技术有限公司 | A kind of more rotor plant protection unmanned planes |
| CN108849807A (en) * | 2018-05-16 | 2018-11-23 | 农业部南京农业机械化研究所 | For adjusting the compact automatic folding device of plant protection drone spray boom height |
| CN108849807B (en) * | 2018-05-16 | 2023-12-29 | 农业部南京农业机械化研究所 | A automatic folding device of compact for adjusting plant protection unmanned aerial vehicle spray lance height |
| CN108945472A (en) * | 2018-08-01 | 2018-12-07 | 芜湖彰鸿工程技术有限公司 | Spray unmanned plane |
| CN109263989A (en) * | 2018-08-21 | 2019-01-25 | 孙炳连 | A kind of plant protection drone |
| CN109305366A (en) * | 2018-09-17 | 2019-02-05 | 三明学院 | A kind of novel spray boom and unmanned plane sprinkling system |
| CN109287442A (en) * | 2018-11-08 | 2019-02-01 | 赵雪虎 | A kind of water flow driving Chinese herbal medicine Irrigation shower head |
| CN113693051A (en) * | 2018-12-10 | 2021-11-26 | 拜耳公司 | Spray vehicle |
| CN113693051B (en) * | 2018-12-10 | 2023-08-22 | 拜耳公司 | spray delivery vehicle |
| CN109677614A (en) * | 2019-01-31 | 2019-04-26 | 临沂大学 | A kind of plant protection drone |
| CN109677614B (en) * | 2019-01-31 | 2024-03-19 | 临沂大学 | Plant protection unmanned aerial vehicle |
| CN110001964B (en) * | 2019-04-24 | 2020-12-01 | 北京裕禄农业科技集团有限公司 | Pesticide sprays plant protection unmanned aerial vehicle |
| CN110001964A (en) * | 2019-04-24 | 2019-07-12 | 罗嘉宇 | A kind of pesticide spraying plant protection drone |
| CN110341960A (en) * | 2019-08-21 | 2019-10-18 | 广州极飞科技有限公司 | Liquid-jet device Wiring structure, spray system and unmanned machine |
| CN111938709A (en) * | 2020-07-22 | 2020-11-17 | 西安交通大学医学院第一附属医院 | Body fluid storage device |
| CN111994282A (en) * | 2020-09-30 | 2020-11-27 | 海南中橡科技有限公司 | Rotatable medicine unmanned aerial vehicle that spouts |
| CN111994282B (en) * | 2020-09-30 | 2021-12-03 | 海南天然橡胶产业集团股份有限公司 | Rotatable medicine unmanned aerial vehicle that spouts |
| CN113841677A (en) * | 2021-10-29 | 2021-12-28 | 深圳市丰农源科技有限公司 | Plant protection unmanned aerial vehicle's flexible folding spray arm |
| CN114506457A (en) * | 2022-03-11 | 2022-05-17 | 山东理工大学 | Large-load plant protection unmanned aerial vehicle with adjustable spraying amplitude and pesticide application amount |
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