CN207371745U - The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle - Google Patents

The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle Download PDF

Info

Publication number
CN207371745U
CN207371745U CN201721289753.4U CN201721289753U CN207371745U CN 207371745 U CN207371745 U CN 207371745U CN 201721289753 U CN201721289753 U CN 201721289753U CN 207371745 U CN207371745 U CN 207371745U
Authority
CN
China
Prior art keywords
plant protection
aerial vehicle
unmanned aerial
slot
protection unmanned
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Withdrawn - After Issue
Application number
CN201721289753.4U
Other languages
Chinese (zh)
Inventor
蔡晨
薛新宇
杨风波
周晴晴
秦维彩
顾伟
孙竹
张宋超
丁素明
周良富
崔龙飞
张玲
周立新
金永奎
孔伟
陈晨
乐飞翔
孙涛
徐阳
王宝坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Original Assignee
Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture filed Critical Nanjing Research Institute for Agricultural Mechanization Ministry of Agriculture
Priority to CN201721289753.4U priority Critical patent/CN207371745U/en
Application granted granted Critical
Publication of CN207371745U publication Critical patent/CN207371745U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/08Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements in association with stationary outlet or deflecting elements
    • B05B3/082Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements in association with stationary outlet or deflecting elements the spraying being effected by centrifugal forces
    • B05B3/085Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements in association with stationary outlet or deflecting elements the spraying being effected by centrifugal forces in association with sectorial deflectors

Landscapes

  • Special Spraying Apparatus (AREA)

Abstract

The utility model is related to a kind of adaptive fan-shaped mist rotating centrifugal nozzles of plant protection unmanned aerial vehicle, belong to technical field of plant protection machinery.The nozzle includes the bottom case for extending into liquid storage box, and the bottom of side wall, which is formed, has annular return slot, and bottom case upper end mounting bracket is simultaneously stamped upper cover;The one side of upper cover and bottom case binding site away from mounting bracket extension section has fan-spray opening;Motor is fixed in upper cover and mounting bracket, motor output shaft is sequentially connected with spiral flow diverter, the upper end of flow diverter is equipped with horn-like atomizing disk, there is liquid slot hole in the middle part of the baseplane of atomizing disk, slot hole periphery is formed with concentric circles membranization slot and its top is equipped with baffle, and the horn-like madial wall of atomizing disk is formed with the fog water content of generatrix direction.The utility model can be coupled with spray field, make the fan-shaped mist droplet of ejection have preferable anti-drift ability, while can ensure that flow and rotating speed positive correlation, simplify spraying system, realize the adaptive of rotating speed and flow under different mist droplet particle sizes.

Description

The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle
Technical field
The utility model is related to a kind of centrifugal energy nozzle, the adaptive fan-shaped mist rotating centrifugal of especially a kind of plant protection unmanned aerial vehicle Nozzle belongs to technical field of plant protection machinery.
Background technology
In recent years, plant protection unmanned aerial vehicle is quickly grown in agricultural.Rotating centrifugal nozzle is because its spectrum of fog drop is narrow, is not easy to plug The advantages that be very suitable for aviation high concentration dispenser.
According to the applicant understood, though the distinctive 360o horizontal sprayings angle of existing rotating centrifugal nozzle has the characteristics that spraying swath is big, But it can cause to deposit in spraying swath under the influence of crosswind uneven.In addition, more nozzle superposition spray fields are difficult to revolve with plant protection unmanned aerial vehicle Wing wind field is coupled, and is also easy to produce even more serious float of mist droplet, influences pesticide supplying effect, and poisoning is generated in non-target area.
Research shows that mist droplet particle size and coverage density are the key indexes for determining pesticide supplying effect, while spectrum of fog drop is narrow, droplet More tiny, atomization uniformity is better.Its major influence factors is to be atomized disk rotating speed and medicinal liquid flow, most narrow in grain size spectrum of fog drop On the premise of, rotating speed is in functional relation with flow.Although existing rotating centrifugal nozzle can be realized by changing atomization disk rotating speed The adjusting of mist droplet particle size, but corresponding flow can not be adapted to, therefore the optimal mist droplet particle size of different operating modes cannot be obtained.
The content of the invention
The purpose of this utility model is that:It can be with aircraft rotary wing wind in view of the deficienciess of the prior art, providing one kind It is coupled, effectively inhibits float of mist droplet, and the adaptive fan-shaped mist rotating centrifugal of the plant protection unmanned aerial vehicle of flow Auto-matching Nozzle.
To achieve the above object, the adaptive fan-shaped mist rotating centrifugal nozzle of the plant protection unmanned aerial vehicle of the utility model is basic Technical solution is:It is made of including upper end bell mouth shape side wall, lower end cylinder bottom cavity extend into the bottom case of liquid storage box, the side The bottom of wall is formed with the annular return slot towards liquid storage box return duct, and the installation with extension section is fixed in the bottom case upper end Stent and the upper cover for being stamped spherical crown circular cone training wall;The one side of the upper cover and bottom case binding site away from mounting bracket extension section With fan-spray opening;Motor is fixed in the upper cover and mounting bracket, the motor output shaft directed downwardly is with being placed in bottom The twin-feed spiral flow diverter of intracavitary is sequentially connected, and the upper end of the flow diverter is equipped with the horn-like mist of linkage being located in base side walls Change disk, have in the middle part of the baseplane of the atomizing disk one group it is radial go out liquid slot hole, the slot hole periphery is formed with concentric circles membranization Slot and its top is equipped with baffle, the horn-like madial wall of the atomizing disk is formed with the fog water content of generatrix direction.
During work, motor drives flow diverter rotation, and the liquid in liquid storage box is transported to atomizing disk, enters from its bottom slot hole In disk and under baffle and centrifugal action, even formation liquid film is first spread out by membranization slot laterally along atomizing disk bottom surface, then by atomizing disk The fog water content of side is thrown away, it is most of by opening shape into the ideal pie-shaped wedge spray that droplet is tiny, spectrum of fog drop is narrow.Outside due to upper cover Shape is in spherical crown circular cone, therefore plant protection unmanned aerial vehicle rotor air-flow can be made diagonally downward, to be coupled by training wall with spray field, Make the fan-shaped mist droplet of ejection there is preferable anti-drift ability.Meanwhile the utility model is linked due to atomizing disk and flow diverter, Delivery pump is not only eliminated, but also flow and rotating speed positive correlation are can ensure that without separately setting regulation device, simplifies spraying system, Realize the adaptive of rotating speed and flow under different mist droplet particle sizes.
The utility model further improves, and the refluxing opening one side of the liquid storage box is equipped with liquid inlet, the liquid storage box Inner end be hinged with switch, there is inlet plug corresponding with liquid inlet and refluxing opening and reflux respectively on the switch Plug, the inlet plug flow back plug away from coercive mechanism adjacent to coercive mechanism.Therefore, when liquid storage box liquid level is excessively high, switch exists It floats under the action of buoyancy, inlet plug closing liquid inlet, reflux plug closed reflux mouth.With spraying for liquid, liquid level is fallen after rise, is floated Sub switch declines automatically, and reflux plug is always opened prior to inlet plug, reflux liquid is made preferentially to participate in atomization process, it is ensured that bottom case Middle no liquid accumulation, prevents evaporating, emitting, dripping or leaking of liquid or gas conscientiously.
Further, the membranization slot is by being in be spaced apart the semi-cylindrical hill of concentric circles to be formed.
Further, radial teeth corresponding with each fog water content respectively is distributed in the upper end outer circle of the atomizing disk.
Further, the bottom case lower end has circumferentially uniformly distributed bottom through-hole.
Also further, the caulking groove fastened with liquid storage box upper end collar extension card slot is formed on the bottom of the side wall.
Description of the drawings
Fig. 1 is the external structure schematic diagram of the utility model one embodiment.
Fig. 2 is the perspective cross-sectional structure diagram of Fig. 1.
Fig. 3 is the bottom case structure schematic diagram in Fig. 1 embodiments.
Fig. 4 is the B-B sectional views of Fig. 3.
Fig. 5 is the atomizing disk structure diagram of Fig. 1 embodiments.
Reference numeral is as follows:Upper cover 1, training wall 1-1, upper cover mounting hole 1-2, motor down-lead mouth 1-3, motor cabinet 2, installation Stent 2-1, motor cabinet mounting hole 2-2, bottom case 3, opening 3-1, bottom case mounting hole 3-2, side wall 3-3, backflash 3-4, return duct 3-5, bottom cavity 3-6, bottom through-hole 3-7, caulking groove 3-8, liquid storage box 4, card slot 4-1, plinth 5, refluxing opening 5-1, liquid inlet 5-2, Atomizing disk 6, axis hole 6-1, slot hole 6-2, annular groove 6-3, flow diverter 7, turret wall 7-3, baffle 8, bearing 9, float 10, reflux plug 10-1, inlet plug 10-2, limited block 10-3, O-ring seal 11, seal washer 12, motor 13.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The plant protection unmanned aerial vehicle of the present embodiment adaptively fan-shaped mist rotating centrifugal nozzle as shown in Figure 1 and Figure 2, bottom case 3 it is upper It holds and is extend into for bell mouth shape side wall 3-3, the cylindrical bottom cavity 3-6 of lower end in liquid storage box 4.
Referring to Fig. 3, Fig. 4, the caulking groove fastened with 4 upper end collar extension card slot 4-1 of liquid storage box is formed on the bottom of 3 side wall 3-3 of bottom case 3-8 and with towards liquid storage box return duct 3-5 annular return slot 3-4.Bottom case lower end has six circumferentially uniformly distributed bottoms Through hole 3-7.Liquid storage box 4 is hollow shell structure, and top has annular wall edge card slot 4-1, caulking groove 3-8 corresponding with bottom case 3 Rotate grafting.It is sealed between liquid storage box 4 and bottom case 3 by seal washer 12.One end grafting of plinth 5 and liquid storage box 4 It is connected, has and be located at liquid storage box 4 one side refluxing opening 5-1 and liquid inlet 5-2 corresponding with return duct 3-5.
The mounting bracket 2-1 with holes extension section is fixed in 3 upper end of bottom case, and is stamped the upper of spherical crown circular cone training wall 1-1 Lid 1.Since the training wall 1-1 on 1 top of upper cover is in coniform revolution slope surface, plant protection unmanned aerial vehicle rotor air-flow passes through water conservancy diversion Wall 1-1 generates effect obliquely, is coupled with spray field, and droplet is made to carry better anti-drift ability.1 top one side of upper cover is set There is motor down-lead mouth 1-3, for motor internal lead and external circuit grafting.Upper cover mounting hole 1-2 is along outer circumference array.Upper cover 1 and one side of 3 binding site of bottom case away from mounting bracket 2-1 extension sections have sector open 3-1.Upper cover 1 and mounting bracket 2-1 Interior fixed motor 13,13 output shaft directed downwardly of motor are supported in bottom bearing 9, with the twin-feed spiral flow diverter being placed in bottom cavity 7 are sequentially connected.More specifically, atomizing disk 6 is in back taper truncated cone-shaped, and top opens, and there are the structures such as groove in inside, mounted on bottom case 3 inside;It is equipped with and motor 13 and the matched axis hole 6-1 of 8 main shaft of baffle at the bottom axle center of atomizing disk 6 so that motor 13 can drive atomizing disk 6 to rotate at a high speed, and liquid centrifugation is thrown away.6 bottom center of atomizing disk is equipped with the slot hole 6- of circumference array 2, to flow into liquid;Lower outside has annular groove 6-3.
Flow diverter 7 is twin-feed spiral structure, and outside is horizontal direction upper rotary wall 7-3;Center of top has threaded hole, to Atomizing disk 6 is connected;Bottom is the shaft being inserted into bearing 9.
The upper end of flow diverter 7 is equipped with the horn-like atomizing disk 6 of linkage being located in base side walls 3-3, the atomizing disk 6 such as Fig. 5 It is shown, have in the middle part of baseplane one group six it is radial go out liquid slot hole 6-2, the periphery of slot hole 6-2, which is formed with, is spaced apart concentric circles Semi-cylindrical hill formed membranization slot and its top be equipped with baffle 8.The horn-like madial wall of atomizing disk 6 is densely covered with generatrix direction Fog water content, and radial teeth corresponding with each fog water content respectively is distributed in upper end outer circle.Therefore, flow diverter transports to atomizing disk Liquid under the action of the centrifugal, spreads out into liquid film, by fog water content through membranization slot and shunts, then is thrown away through radial teeth, can be preferably by mist Change.
In addition, the refluxing opening 5-1 one sides of liquid storage box 4 are equipped with liquid inlet 5-2, the inner end of liquid storage box 4 is away from insertion bottom case bottom The one side of chamber 3-6 is hinged with switch 10, has on switch 10 corresponding with liquid inlet 5-2 and refluxing opening 5-1 respectively Spherical crown convex inlet plug 10-2 and reflux plug 10-1, wherein inlet plug 10-2 flows back plug 10-1 away from hinged adjacent to coercive mechanism Point.There are limited block 10-3 in inlet plug 10-2 one sides to support and /V.Therefore, not only the liquid level of liquid storage box can be by floating Sub switch automatic open close liquid inlet and refluxing opening, and during liquid level falling, reflux plug is always opened prior to inlet plug, makes reflux Liquid preferentially participates in atomization process, it is ensured that is accumulated in bottom case without liquid.
Motor cabinet 2 is concave shaped revolving body, and motor 13 is placed in 2 middle part of motor cabinet and main shaft is located on central axes, by fixed Position hole is fixed.3 inner space of rotating centrifugal atomizing disk is made full use of, makes structure compacter.The mounting bracket 2-1 of rear side to Stationary nozzle is installed.
When using plant protection unmanned aerial vehicle adaptively fan-shaped mist rotating centrifugal nozzle, fixed first by mounting bracket 2-1 In plant protection unmanned aerial vehicle spray boom.Liquid flows into liquid storage box 4 from pipeline through liquid inlet 5-2, and passes through bottom through-hole 3-7 and flow into bottom cavity 3-6, flow diverter 7 is rotated in bottom cavity 3-6 high speeds generates negative pressure, and liquid flows into atomizing disk 6 along turret wall 7-3 through slot hole 6-2, by To the effect of baffle 8, share equally to form liquid film and finally thrown away by 6 edge of atomizing disk laterally along 6 bottom surface of atomizing disk and complete atomization process, And pass through the 3-1 that is open and form fan-shaped spray.Remaining circumferential droplet is subject to the stop of bottom case 3 to flow to backflash 3-4 along side wall 3-3, Liquid storage box 4 is flowed to by return duct 3-5 after collecting.When 4 liquid level of liquid storage box is excessively high, float 10 floats under the action of buoyancy, Inlet plug 10-2 closes liquid inlet 5-2, reflux plug 10-1 closed reflux mouths 5-1.With spraying for liquid, liquid level is fallen after rise, float 10 decline, and reflux plug 10-1 is always opened prior to inlet plug 10-2, reflux liquid is made preferentially to participate in atomization process, it is ensured that bottom case It is accumulated in 3 without liquid.Therefore float 10 plays the role of preventing evaporating, emitting, dripping or leaking of liquid or gas simultaneously.
Existing centrifugal atomization apparatus needs to control flow and two parameters of rotating speed, achievees the effect that adjust mist droplet particle size, But adjusting flow needs additional configuration control system, and can not realize that grain size optimizes in real time.And what the utility model used Structure type, atomizing disk 6 link with flow diverter 7, it is ensured that flow and rotating speed positive correlation simplify spraying system, realizes difference Rotating speed and flow is adaptive under mist droplet particle size.By the flow diverter 7 with different gradient turret wall 7-3 that changes the outfit, to meet not With the job requirements of range of flow.
It the above is only the preferred embodiment of the utility model, the scope of protection of the utility model is not limited merely to above-mentioned Embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should be pointed out that pair For those skilled in the art, several improvements and modifications under the premise of the utility model principle is not departed from, It should be regarded as the scope of protection of the utility model.

Claims (6)

1. a kind of adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle, including upper end by bell mouth shape side wall(3-3)Structure Into, lower end cylinder bottom cavity(3-6)It extend into liquid storage box(4)Bottom case(3), the bottom of the side wall, which forms to have, leads to liquid storage Box return duct(3-5)Annular return slot(3-4), the mounting bracket with extension section is fixed in the bottom case upper end(2-1)And it covers There is spherical crown circular cone training wall(1-1)Upper cover(1);The one side of the upper cover and bottom case binding site away from mounting bracket extension section With sector open(3-1);Motor is fixed in the upper cover and mounting bracket(13), the motor output shaft directed downwardly is with disposing Twin-feed spiral flow diverter in bottom cavity(7)It is sequentially connected, the upper end of the flow diverter is equipped with the linkage being located in base side walls Horn-like atomizing disk(6), have in the middle part of the baseplane of the atomizing disk one group it is radial go out liquid slot hole(6-2), outside the slot hole It encloses and is formed with concentric circles membranization slot and its top is equipped with baffle(8), the horn-like madial wall of the atomizing disk is formed with generatrix direction Fog water content.
2. the adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle according to claim 1, it is characterised in that:It is described Liquid storage box(4)Refluxing opening(5-1)One side is equipped with liquid inlet(5-2), the inner end of the liquid storage box is hinged with switch(10), There is inlet plug corresponding with liquid inlet and refluxing opening respectively on the switch(10-2)It is filled in reflux(10-1), it is described enter Stream plug flows back plug away from coercive mechanism adjacent to coercive mechanism.
3. the adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle according to claim 2, it is characterised in that:It is described Membranization slot is by being in be spaced apart the semi-cylindrical hill of concentric circles to be formed.
4. the adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle according to claim 3, it is characterised in that:It is described Radial teeth corresponding with each fog water content respectively is distributed in the upper end outer circle of atomizing disk.
5. the adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle according to claim 4, it is characterised in that:It is described Bottom case lower end has circumferentially uniformly distributed bottom through-hole.
6. the adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle according to claim 5, it is characterised in that:It is described The caulking groove fastened with liquid storage box upper end collar extension card slot is formed on the bottom of side wall.
CN201721289753.4U 2017-10-09 2017-10-09 The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle Withdrawn - After Issue CN207371745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721289753.4U CN207371745U (en) 2017-10-09 2017-10-09 The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721289753.4U CN207371745U (en) 2017-10-09 2017-10-09 The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle

Publications (1)

Publication Number Publication Date
CN207371745U true CN207371745U (en) 2018-05-18

Family

ID=62337854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721289753.4U Withdrawn - After Issue CN207371745U (en) 2017-10-09 2017-10-09 The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle

Country Status (1)

Country Link
CN (1) CN207371745U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107694779A (en) * 2017-10-09 2018-02-16 农业部南京农业机械化研究所 The adaptive fan-shaped mist rotating centrifugal shower nozzle of plant protection unmanned aerial vehicle
FR3107197A1 (en) * 2020-02-16 2021-08-20 Sprai Rotating Disc Nebulizer for Inhalation
CN113854267A (en) * 2021-09-28 2021-12-31 深圳市丰农源科技有限公司 Atomizing sprinkler for unmanned aerial vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107694779A (en) * 2017-10-09 2018-02-16 农业部南京农业机械化研究所 The adaptive fan-shaped mist rotating centrifugal shower nozzle of plant protection unmanned aerial vehicle
CN107694779B (en) * 2017-10-09 2022-11-22 农业部南京农业机械化研究所 Self-adaptive fan-shaped fog rotating centrifugal nozzle of plant protection unmanned aerial vehicle
FR3107197A1 (en) * 2020-02-16 2021-08-20 Sprai Rotating Disc Nebulizer for Inhalation
CN113854267A (en) * 2021-09-28 2021-12-31 深圳市丰农源科技有限公司 Atomizing sprinkler for unmanned aerial vehicle
CN113854267B (en) * 2021-09-28 2022-12-09 深圳市丰农源科技有限公司 Atomizing sprinkler for unmanned aerial vehicle

Similar Documents

Publication Publication Date Title
CN207371745U (en) The adaptive fan-shaped mist rotating centrifugal nozzle of plant protection unmanned aerial vehicle
CN105750107B (en) Flusher and the unmanned plane with it
CN106216119A (en) The liquid centrifugal atomizing dish of a kind of electric high-speed rotation and atomization method
WO2019119244A1 (en) Centrifugal swing disc, spraying device and unmanned aerial vehicle
CN206743848U (en) A kind of solid particle tossed device suitable for unmanned plane
CN108480076B (en) Nozzle structure and the unmanned vehicle for using the nozzle structure
CN107694779A (en) The adaptive fan-shaped mist rotating centrifugal shower nozzle of plant protection unmanned aerial vehicle
CN103785561A (en) Multi-layer atomizer
CN204685377U (en) Nozzle structure and use the unmanned vehicle of this nozzle structure
CN207185185U (en) Broadcast application device
CN113385316A (en) Centrifugal atomizing spray head
CN207170051U (en) A kind of centrifugal water smoke machine
CN106005415B (en) A kind of single rotor unmanned helicopter for shedding granule
CN106005422B (en) A kind of more rotor unmanned helicopters for shedding granule
CN205738108U (en) For shedding many rotor unmanned helicopters of granule
CN207981459U (en) A kind of centrifugal atomization apparatus
CN109317323A (en) Centrifugal energy nozzle and flusher
CN108114828A (en) A kind of high speed revolves cup flush coater
CN209317950U (en) Centrifugal energy nozzle and flusher
CN203750728U (en) Multilayer atomizer
CN208341042U (en) A kind of dustless paint spraying apparatus of novel environment friendly
CN208018807U (en) A kind of high speed rotation cup flush coater
CN209080165U (en) A kind of atomizing plant protection drone
CN206198948U (en) A kind of multi-functional organic waste gas treatment device
CN206965960U (en) Centrifugal energy nozzle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20180518

Effective date of abandoning: 20221122

AV01 Patent right actively abandoned

Granted publication date: 20180518

Effective date of abandoning: 20221122

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned