CN208119437U - A kind of plant protection drone - Google Patents
A kind of plant protection drone Download PDFInfo
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- CN208119437U CN208119437U CN201820244730.XU CN201820244730U CN208119437U CN 208119437 U CN208119437 U CN 208119437U CN 201820244730 U CN201820244730 U CN 201820244730U CN 208119437 U CN208119437 U CN 208119437U
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- plant protection
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- protection drone
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Abstract
The utility model belongs to air vehicle technique field, discloses a kind of plant protection drone, including fuselage, the undercarriage being arranged in below fuselage, the medicine-chest being arranged in below fuselage, the cantilever connecting with standard of fuselage and the lifting device being arranged on cantilever.Fuselage is polygon box body, is provided with control system in fuselage, control system includes mainboard, the processor being arranged on mainboard, the signal receiving/transmission device being arranged on mainboard and the positioning device being arranged on mainboard；Medicine-chest is equipped with battery compartment, is equipped with battery in battery compartment and battery is electrically connected with mainboard；It is provided with crossbeam on undercarriage, grug transportation tube is connected on crossbeam, and the both ends of crossbeam and middle part are respectively equipped with a nozzle, grug transportation tube is connected to medicine-chest and nozzle；One end of cantilever is connect by connection component with fuselage, and lifting device is located at the other end of spiral arm.The utility model it is light-weight, structure is simple, meets the heavy-duty of plant protection drone, long continuation of the journey demand, is worth of widely use.
Description
Technical field
The utility model belongs to air vehicle technique field, and in particular to a kind of plant protection drone.
Background technique
The one kind of rotor wing unmanned aerial vehicle as unmanned plane is a kind of by propeller positive and negative rotation and revolving speed control offer flight
The aircraft of device lift and attitude of flight vehicle adjustment, cruise duration is short, and loading capacity is moderate, has the advantages that hover, especially
Be suitble to need to hover the occasion of work, such as video display are taken photo by plane, electric power cross-line operation, meanwhile, unmanned plane has also been applied to agriculture significantly
The fields such as industry, planting industry.But there is a problem of for existing rotor wing unmanned aerial vehicle is larger, is embodied in the comprehensive performance of motor
On, traditional unmanned plane motor weight is larger, and energy consumption is high, affects the continuation of the journey of unmanned plane, also influences the load-carrying energy with unmanned plane
Power, the integration capability that operation is carried out in terms of plant protection are low；The heat dissipation performance of motor is poor simultaneously, and unmanned plane makes to run for a long time
Afterwards, motor temperature is excessively high, is easily damaged, maintenance difficult, therefore motor can only be replaced, and cost is increased.Lead to the problem
The reason of it is as follows：
1. the Weight control of unmanned plane is measured according to gram, the cruising ability of unmanned plane is improved, common method is to subtract
Small self weight, however limited by unmanned plane structure, plant protection drone needs biggish lifting capacity, and motor must have enough liters
Power, otherwise plant protection drone can not be normally carried out operation.
2. unmanned plane generates a large amount of heat in the process of running, need to radiate in time, for the ease of heat dissipation, most nothing
Man-machine motor on motor by opening heat release hole, however plant protection drone needs drug delivery to carry out spraying operation, flying ring
Border is more severe, and drug can enter inside motor from heat release hole, damage to internal structure of motor, and that shortens motor uses the longevity
Life.
Therefore, applying without rotor wing unmanned aerial vehicle at agricultural plant protection field instantly, cannot preferable meet demand；Improving
In terms of the comprehensive performance of rotor plant protection drone, it is also necessary to propose more reasonable technical solution.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of plant protection drone, it is intended to the structure of unmanned plane into
Row improves, and reduces the overall weight of unmanned plane, while improving motor running parameter, is capable of providing single motor bigger
Lift；And the entirety of motor is covered, the internal structure of motor is comprehensively protected, while guaranteeing that motor can
It realizes adequately heat dissipation, extends the service life of motor；In addition, the spiral wing structure of plant protection drone is more simple, from
Again reduce, lift promoted, diversion effect more preferably.
Technical solution used by the utility model is：
A kind of plant protection drone, including fuselage, the undercarriage being arranged in below fuselage, the medicine-chest being arranged in below fuselage,
The cantilever being connect with standard of fuselage and the lifting device being arranged on cantilever.
Specifically, the fuselage is polygon box body, control system is provided in fuselage, control system includes master
Plate, the processor being arranged on mainboard, the signal receiving/transmission device being arranged on mainboard, signal receiving/transmission device, processor and positioning
Device is connect with motherboard circuit；The medicine-chest is equipped with battery compartment, is equipped with battery in battery compartment and battery and mainboard
Electrical connection；It is provided with crossbeam on the undercarriage, grug transportation tube is connected on crossbeam, and the both ends of crossbeam and middle part are respectively equipped with
One nozzle, grug transportation tube are connected to medicine-chest and nozzle；One end of the cantilever is connect by connection component with fuselage, lifting device
Positioned at the other end of spiral arm.
Signal receiving/transmission device is communicated with external remote controler, to control the flight path and operation of unmanned plane
Journey；Automation flight and operation can also be carried out according to flight control program built-in on mainboard.
Further, the lifting device includes motor and screw wing.
Further, the quantity of the motor and screw wing is six, and the shaft of single motor is connected to single spiral
The wing.
Further, the motor includes lower cover, the inner stator being arranged in lower cover, is arranged on lower cover
And the outer rotor relatively rotated with lower cover；The edge of the lower cover be equipped with lower coaming plate, lower coaming plate be annular and under enclose
The lower edge of plate and the edge of lower cover connect；The upper surface of lower cover be equipped with annular stator plate, inner stator include it is multiple around
Line magnetic pole, wound field along stator plate circumference, and the pole orientation of wound field be stator plate radial direction, it is described
Lower cover center at be provided with axis hole, shaft is equipped in axis hole, is additionally provided with axle sleeve at axis hole, is equipped in axle sleeve and shaft
The bearing of cooperation；The shaft is hollow shaft, and the top of shaft is connect with outer rotor, and positioning is provided at the upper end of shaft
The shaft shoulder, positioning shaft shoulder are bonded with the outer surface of outer rotor；The outer rotor includes turntable and upper coaming plate, and upper coaming plate is annular,
The top edge of upper coaming plate and the edge of turntable connect, and the internal diameter of upper coaming plate is greater than the outer diameter of lower coaming plate；The center of turntable is equipped with
Attachment base, attachment base are equipped with the connecting hole cooperated with shaft；The edge of the turntable is equipped at intervals with bulge-structure, protrusion knot
Structure is connected with permanent magnet.
This motor belongs to brushless motor, and the structure of motor itself simplifies, and quality is lighter, improves the continuation of the journey energy of unmanned plane
Power.
Further, the screw wing includes propeller hub and the centrosymmetric two panels blade of axial line along propeller hub；It is described
Propeller hub be circular sleeve, the threaded hole that square hole and circular hole form is equipped with inside propeller hub；The solidity of the two panels blade is
10%-30%, the range of blade angle are 21.5 °~30 °；Blade includes linkage section and lift section, and the chord length of lift section, which is greater than, to be connected
Connect the chord length of section；Connection leading edge is aligned and is smoothly connected with lift leading edge, and the up-front lower half portion of connection is inclined-plane, and is risen
Power leading edge cross section is the arc surface of evagination；The junction of rear and lift rear is connected equipped with the transition of arc, after connection
Edge and lift rear are sword side；The outer rim and leading edge of lift section, the junction of rear are right angle, and outer rim is vertical puts down
Face；The upper surface of lift section is convex cambered surface, and the lower surface of lift section is the cambered surface of indent.
Further, the medicine-chest includes cabinet, inlet tube, outlet tube；The cabinet is axially symmetric structure, the cabinet
Including upper box and lower box, the cross section of upper box is regular polygon, and lower box is connected to the lower end of upper box and in cone
Shape；The lower end of the upper box is equipped with the equally distributed retaining groove of central axis along medicine-chest, is then formed in retaining groove upper end
Flange, and mounting hole is equipped on flange；The outlet end of the inlet tube is connected to the top of upper box or the upper end of side wall；
It is equipped with liquid outlet in the bottom of lower box, the liquid feeding end of the outlet tube connects the liquid outlet；Lower end is equipped in the lower box
Stirring blade, the stirring blade drive work by the stirring motor for being fixed on lower box lateral wall.
The water pump of immersion, the outlet tube of the outlet section connection medicine-chest of water pump are equipped in medicine-chest, outlet tube is connected to grug transportation tube.
Further, the cantilever is hollow circular-tube, and cantilever is made of carbon fibre material, and conducting wire is equipped in cantilever,
Conducting wire connection mainboard and motor, the benefit being arranged in this way are the peaces that can mitigate the fuselage quality of unmanned plane, while be convenient for conducting wire
It sets, improves the stability and safety of unmanned plane in the process of running.
Further, the connection component includes the first fixing piece and the second fixing piece, the first fixing piece packet
The first fixed frame is included, the first fixed frame bottom is set there are two the first hinged seat, and the top of the first fixed frame is equipped with the first attachment base,
First attachment base is equipped with first through hole；The four corners of first fixed frame are equipped with connection strap, connection strap be it is rectangular and
Connection strap is perpendicular to the first fixed frame, and connection strap is equipped with connecting hole；Second fixing piece includes and the first fixed frame
Fitting and be the second rectangular fixed frame, the bottom of the second fixed frame set there are two with it is the second of the cooperation of the first hinged seat hinged
Seat, the top of the second fixed frame are equipped with the second attachment base being aligned with the first attachment base, and the second attachment base is equipped with for connecting
The second through-hole；Casing is equipped with fastener hole, is equipped with tight fixed bolt at fastener hole；One end of casing is equipped with adjustment seam, adjustment seam
Both sides be equipped with corresponding fastening seat, fastening seat be equipped with adjustment bolt.
Further, the nozzle among grug transportation tube straight down, nozzle and vertical direction positioned at grug transportation tube both ends
In 30 ° to 45 ° of angle, nozzle is all made of 120 degree of sector disperse pressure nozzles or 120 degree of fan-shaped disperse centrifugal energy nozzles.
Further, the bottom of the undercarriage is equipped with the skid that rises and falls, in this way convenient for protection undercarriage.
Compared with prior art, the utility model has the beneficial effects that：
The utility model structure is simple, realizes and is easy, the utility model improves the structure of unmanned plane, reduces nothing
Man-machine overall weight, while motor running parameter is improved, so that single motor is capable of providing bigger lift；And by motor
Inside integrally covered, the internal structure of motor is comprehensively protected, while guaranteeing that motor can be realized sufficient heat dissipation,
Extend the service life of motor；In addition, the spiral wing structure of plant protection drone is more simple, self weight reduces, lift is promoted,
Diversion effect is more preferably.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings only shows the section Example of the utility model, therefore does not answer
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the overall schematic of the utility model.
Fig. 2 is structural schematic diagram when the utility model is overlooked.
Fig. 3 is structural schematic diagram when the utility model is faced.
Fig. 4 is the structural schematic diagram of the utility model medicine-chest.
Structural schematic diagram when Fig. 5 is medicine-chest side view.
Fig. 6 is the overall structure diagram of motor.
Fig. 7 is the configuration schematic diagram of motor.
Fig. 8 is the top view of motor.
Fig. 9 is schematic diagram of internal structure when motor is overlooked.
Figure 10 is the structural schematic diagram of motor side apparent time.
Figure 11 is the structural schematic diagram of shaft.
Figure 12 is the overall structure diagram of connection component.
Figure 13 is the structural schematic diagram of the first fixing piece.
Figure 14 is the structural schematic diagram of the second fixing piece.
Figure 15 is the overall structure diagram of screw wing.
Figure 16 is structural schematic diagram when screw wing is overlooked.
Structural schematic diagram when Figure 17 is screw wing side view.
In figure：1- fuselage；2- undercarriage；3- medicine-chest；301- inlet tube；302- battery compartment；303- retaining groove；304- case
Body；305- outlet tube；4- cantilever；5- motor；501- lower cover；502- wound field；503- turntable；Coaming plate under 504-；505-
Stator plate；506- axle sleeve；507- shaft；The upper coaming plate of 508-；509- attachment base；510- mounting plate；511- lantern ring；512- connection
Plate；6- screw wing；7- crossbeam；8- nozzle；9- rises and falls skid；The first fixed frame of 10-；The second fixed frame of 11-；12- first is hinged
Seat；The second hinged seat of 13-；14- connection strap；15- adjustment seam；16- supporting rib；17- off-load hole；18- threaded hole；19- propeller hub；
20- blade.
Specific embodiment
With reference to the accompanying drawing and specific embodiment does further explaination to the utility model.
Embodiment：
As shown in Fig. 1-Figure 17, present embodiment discloses a kind of plant protection drones, including fuselage 1, setting are below fuselage
Undercarriage 2, the medicine-chest 3 being arranged in below fuselage, the cantilever 4 being connect with standard of fuselage and the promotion being arranged on cantilever dress
It sets.
Fuselage is polygon box body, is provided with control system in fuselage, control system includes mainboard, is arranged on mainboard
Processor, the signal receiving/transmission device being arranged on mainboard, the GPS positioning device being arranged on mainboard, signal receiving/transmission device, processing
Device and GPS positioning device are connect with motherboard circuit；The medicine-chest is equipped with battery compartment 302, is equipped with battery in battery compartment
And battery is electrically connected with mainboard；It is provided with crossbeam 7 on the undercarriage, grug transportation tube, and the two of crossbeam are connected on crossbeam
End and middle part are respectively equipped with a nozzle 8, and grug transportation tube is connected to medicine-chest and nozzle；One end of the cantilever by connection component with
Fuselage connection, lifting device are located at the other end of spiral arm.
Signal receiving/transmission device is far infrared wireless communication device, for being communicated with external remote controler, to control
The flight path and operation process of unmanned plane；Automation flight and work can also be carried out according to flight control program built-in on mainboard
Industry.
Lifting device includes motor and screw wing, and the quantity of motor and screw wing is six, the shaft 507 of single motor
It is connected to single screw wing.
Motor include lower cover 501, the inner stator being arranged in lower cover, setting it is on lower cover and opposite with lower cover
The outer rotor of rotation；The edge of the lower cover is equipped with lower coaming plate 504, lower coaming plate be annular and the lower edge of lower coaming plate with
The edge of lower cover connects；The upper surface of lower cover is equipped with the stator plate 505 of annular, and inner stator includes multiple wound fields 502,
Wound field along stator plate circumference, and the pole orientation of wound field be stator plate radial direction, the lower end
It is provided with axis hole at the center of lid, shaft is equipped in axis hole, axle sleeve 506 is additionally provided at axis hole, is equipped in axle sleeve and matches with shaft
The bearing of conjunction；The shaft is hollow shaft, and the top of shaft is connect with outer rotor, and locating shaft is provided at the upper end of shaft
Shoulder, positioning shaft shoulder are bonded with the outer surface of outer rotor；The outer rotor includes turntable 503 and upper coaming plate 508, and upper coaming plate is ring
Shape, the top edge of upper coaming plate and the edge of turntable connect, and the internal diameter of upper coaming plate is greater than the outer diameter of lower coaming plate；The center of turntable is set
There is attachment base 509, attachment base is equipped with the connecting hole cooperated with shaft；The edge of the turntable is equipped at intervals with bulge-structure,
Bulge-structure is connected with permanent magnet.
This motor 5 belongs to brushless motor, and the structure of motor itself simplifies, and quality is lighter, improves the continuation of the journey of unmanned plane
Ability.
Radiating groove is provided on coaming plate, radiating groove is round and is arranged along the circumference of coaming plate.
The quantity of wound field be 12, wound field include iron core and on iron core coiling copper coil, it is multiple around
Line magnetic pole is connected to three phase mains.
It is equipped with step in two ports of axle sleeve, the aperture in the middle part of axle sleeve is less than the aperture at port；Two, axle sleeve ends
It is respectively equipped with a work bearing at step in mouthful, and is additionally provided with replacement bearing in the middle part of axle sleeve.
In order to promote to radiate, the upper surface of turntable is provided with sunk structure, and stator plate is equipped with cricoid communication groove and indulges
To short slot；In order to further mitigate self weight, the 4th load reduction groove is provided on attachment base.
In order to reinforce fixing, the lower end of shaft is equipped with card slot, is equipped with snap ring in card slot, snap ring and lower cover
Axis hole engaging.
Attachment base upper surface is equipped with the mounting plate 510 for fixing screw wing 6, and mounting plate is round and coaxial with connecting hole
Setting.
Fixation kit is provided with below lower cover, fixation kit includes connecting plate 512 and lantern ring 511, and connecting plate is under
End cap connection；Lantern ring is connect with connecting plate, and the notch disconnected at one is provided on lantern ring, and indentation, there is provided with tight fixed bolt.
Screw wing includes propeller hub 19 and the centrosymmetric two panels blade 20 of axial line along propeller hub；The propeller hub is circle
Sleeve, the threaded hole 18 that square hole and circular hole form is equipped with inside propeller hub；The solidity of the two panels blade is 10%-30%, paddle
The range at leaf angle is 21.5 °~30 °；Blade includes linkage section and lift section, and the chord length of lift section is greater than the chord length of linkage section；Even
It connects leading edge and is aligned and is smoothly connected with lift leading edge, it is described to connect up-front lower half portion as inclined-plane, and lift leading edge cross section
For the arc surface of evagination；The junction of rear and lift rear is connected equipped with the transition of arc, connects rear and lift rear
It is sword side；The outer rim and leading edge of lift section, the junction of rear are right angle, and outer rim is vertical plane；Lift section it is upper
Surface is convex cambered surface, and the lower surface of lift section is the cambered surface of indent.
In the present embodiment, the blade angle of blade is 25 °, solidity 22%, and blade and propeller hub are integrally formed.
Connecting up-front top half is inclined-plane, connects up-front top half and lower half portion forms three-legged structure.
The cambered surface radius of the upper surface of lift section is 100~130mm, and the cambered surface radius of lower surface is 85~90mm.
Medicine-chest includes cabinet 304, inlet tube 301, outlet tube；The cabinet is axially symmetric structure, which includes top box
Body and lower box, the cross section of upper box are regular polygon, and lower box is connected to the lower end of upper box and in cone-shaped；On described
The lower end of cabinet is equipped with the equally distributed retaining groove 303 of central axis along medicine-chest, then forms flange in retaining groove upper end, and
And mounting hole is equipped on flange；The outlet end of the inlet tube is connected to the top of upper box or the upper end of side wall；In nowel
The bottom of body is equipped with liquid outlet, and the liquid feeding end of the outlet tube connects the liquid outlet；Lower end is equipped with paddle in the lower box
Piece, the stirring blade drive work by the stirring motor for being fixed on lower box lateral wall.
The water pump of immersion, the outlet tube of the outlet section connection medicine-chest of water pump are equipped in medicine-chest, outlet tube is connected to grug transportation tube.
In the present embodiment, the thickness of upper box is greater than the thickness of lower box, and retaining groove is multiple, and is set to top box
The side wall lower ends of body.
The top of upper box is equipped with multiple battery installation grooves, and battery installation groove is uniform centered on the central axis of medicine-chest
Setting.
In order to protect nozzle, nozzle is avoided to be blocked, the liquid feeding end of inlet tube is equipped with dismountable sieve and lid.
The cross section of upper box is octagon, and retaining groove is four, and correspondingly, flange is four, retaining groove point
It is not located at the lower end that upper box is separated by four side walls of a side wall two-by-two.
In the present embodiment, cabinet, inlet tube, outlet tube and stirring blade are made by plastic material.
Cantilever is hollow circular-tube, and cantilever is made of carbon fibre material, and conducting wire is equipped in cantilever, and conducting wire connects mainboard and electricity
Machine, the benefit being arranged in this way are the placements that can mitigate the fuselage quality of unmanned plane, while be convenient for conducting wire, improve unmanned plane
Stability and safety in the process of running.
Connection component includes the first fixing piece and the second fixing piece, and first fixing piece includes the first fixed frame 10,
First fixed frame bottom is set there are two the first hinged seat 12, and the top of the first fixed frame is equipped with the first attachment base, the first attachment base
It is equipped with first through hole；The four corners of first fixed frame are equipped with connection strap, and connection strap is that rectangular and connection strap is vertical
In the first fixed frame, and connection strap is equipped with connecting hole；Second fixing piece includes being bonded with the first fixed frame and is square
Second fixed frame 11 of shape, the bottom of the second fixed frame set there are two with the first hinged seat cooperation the second hinged seat 13, second
The top of fixed frame is equipped with the second attachment base being aligned with the first attachment base, and the second attachment base is equipped with logical for the second of connection
Hole；Casing is equipped with fastener hole, is equipped with tight fixed bolt at fastener hole；One end of casing is equipped with adjustment seam 15, adjusts the both sides of seam
Equipped with corresponding fastening seat, fastens seat and be equipped with adjustment bolt.
First fixed frame and connection strap 14 are integrally formed, and connection strap is perpendicular to the plane where the quadrangle of the first fixed frame；
Second fixed frame and casing is integrally formed；Supporting rib 16 is equipped between two neighbouring connection straps.
Connecting hole number is two, and connecting hole is located at the both ends of connection strap.
Connection strap is equipped with the first load reduction groove, and the first load reduction groove is rectangular straight trough.
Be provided with the second load reduction groove on first fixed frame, the second load reduction groove be rectangular straight trough and be located at the first fixed frame with
In the one side of second fixed frame contact.
Third load reduction groove is provided on second fixed frame, the third load reduction groove is located at the second fixed frame and the first fixed frame
In the one side of contact.
Off-load hole 17 is provided on casing.
Second through-hole includes that a clear opening and a straight blind hole, clear opening are aligned with first through hole, straight blind hole with lead directly to
Hole is parallel and distance of shaft centers is less than the sum of the radius of clear opening and straight blind hole.
Straight down, nozzle and vertical direction positioned at grug transportation tube both ends are in 30 ° to 45 ° to nozzle among crossbeam
Angle, nozzle is all made of the fan-shaped disperse centrifugal energy nozzles of 120 degree of sector disperse pressure nozzles or 120 degree.
The bottom of the undercarriage is equipped with the skid 9 that rises and falls, in this way convenient for protection undercarriage.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products out.Above-mentioned specific embodiment should not be understood the limitation of the pairs of protection scope of the utility model,
The protection scope of the utility model should be subject to be defined in claims, and specification can be used for explaining that right is wanted
Seek book.
Claims (10)
1. a kind of plant protection drone, including fuselage (1), be arranged in below fuselage undercarriage (2), the medicine that is arranged in below fuselage
Case (3), the cantilever being connect with standard of fuselage and the lifting device being arranged on cantilever；It is characterized in that：The fuselage is more
Side shape box body, control system is provided in fuselage, and control system includes mainboard, the processor being arranged on mainboard, is arranged in master
Signal receiving/transmission device on plate and the positioning device being arranged on mainboard, signal receiving/transmission device, processor and positioning device with
Motherboard circuit connection；The medicine-chest is equipped with battery compartment (302), is equipped with battery in battery compartment and battery is electrically connected with mainboard
It connects；It is provided on the undercarriage crossbeam (7), grug transportation tube is connected on crossbeam, and the both ends of crossbeam and middle part are respectively equipped with
One nozzle (8), grug transportation tube are connected to medicine-chest and nozzle；One end of the cantilever is connect by connection component with fuselage, is promoted
Device is located at the other end of spiral arm.
2. a kind of plant protection drone according to claim 1, it is characterised in that：The lifting device includes motor and spiral shell
Rotor (6).
3. a kind of plant protection drone according to claim 2, it is characterised in that：The quantity of the motor and screw wing is equal
It is six.
4. a kind of plant protection drone according to claim 2 or 3, it is characterised in that：The motor includes lower cover
(501), the inner stator being arranged in lower cover, the outer rotor for being arranged on lower cover and being relatively rotated with lower cover；Described
The edge of lower cover is equipped with lower coaming plate (504), and lower coaming plate is that the lower edge of annular and lower coaming plate and the edge of lower cover connect；
The upper surface of lower cover is equipped with the stator plate (505) of annular, and inner stator includes multiple wound fields (502), and wound field is along fixed
The circumference of daughter board, and the pole orientation of wound field is the radial direction of stator plate, is set at the center of the lower cover
It is equipped with axis hole, shaft (507) is equipped in axis hole, is additionally provided with axle sleeve (506) at axis hole, the axis cooperated with shaft is equipped in axle sleeve
It holds；The shaft is hollow shaft, and the top of shaft is connect with outer rotor, and positioning shaft shoulder is provided at the upper end of shaft, fixed
The position shaft shoulder is bonded with the outer surface of outer rotor；The outer rotor includes turntable (503) and upper coaming plate (508), and upper coaming plate is ring
Shape, the top edge of upper coaming plate and the edge of turntable connect, and the internal diameter of upper coaming plate is greater than the outer diameter of lower coaming plate；The center of turntable is set
Have attachment base (509), attachment base is equipped with the connecting hole cooperated with shaft；The edge of the turntable is equipped at intervals with raised knot
Structure, bulge-structure are connected with permanent magnet.
5. a kind of plant protection drone according to claim 2 or 3, it is characterised in that：The screw wing includes propeller hub
(19) and along propeller hub the centrosymmetric two panels blade (20) of axial line；The propeller hub is circular sleeve, is set inside propeller hub
The threaded hole (18) being made of square hole and circular hole；The solidity of the two panels blade is 10%-30%, and the range of blade angle is
21.5 °~30 °；Blade includes linkage section and lift section, and the chord length of lift section is greater than the chord length of linkage section；Connect leading edge and lift
Leading edge is aligned and is smoothly connected, and the up-front lower half portion of connection is inclined-plane, and lift leading edge cross section is the circular arc of evagination
Face；The junction of rear and lift rear is connected equipped with the transition of arc, rear is connected and lift rear is sword side；Lift
The outer rim and leading edge of section, the junction of rear are right angle, and outer rim is vertical plane；The upper surface of lift section is convex arc
Face, the lower surface of lift section are the cambered surface of indent.
6. a kind of plant protection drone according to claim 1, it is characterised in that：The medicine-chest include cabinet (304), into
Liquid pipe (301), outlet tube (305)；The cabinet is axially symmetric structure, which includes upper box and lower box, upper box
Cross section is regular polygon, and lower box is connected to the lower end of upper box and in cone-shaped；The lower end of the upper box is equipped with along medicine
The equally distributed retaining groove of the central axis of case (303) then forms flange in retaining groove upper end, and peace is equipped on flange
Fill hole；The outlet end of the inlet tube is connected to the top of upper box or the upper end of side wall；It is equipped with liquid in the bottom of lower box
Mouthful, the liquid feeding end of the outlet tube connects the liquid outlet；Lower end is equipped with stirring blade in the lower box, and the stirring blade is by solid
Stirring motor (5) due to lower box lateral wall drives work.
7. a kind of plant protection drone according to claim 1, it is characterised in that：The cantilever (4) is hollow circular-tube, is hanged
Arm is made of carbon fibre material, and conducting wire is equipped in cantilever, and conducting wire connects mainboard and motor.
8. a kind of plant protection drone according to claim 1, it is characterised in that：The connection component includes first fixed
Part and the second fixing piece, first fixing piece include the first fixed frame (10), and the first fixed frame bottom is set there are two first
Hinged seat (12), the top of the first fixed frame are equipped with the first attachment base, and the first attachment base is equipped with first through hole；Described first
The four corners of fixed frame are equipped with connection strap (14), and connection strap is rectangular and connection strap perpendicular to the first fixed frame, and connection strap
It is equipped with connecting hole；Second fixing piece includes being bonded with the first fixed frame and is rectangular the second fixed frame (11), the
The bottom of two fixed frames is set there are two the second hinged seat (13) with the cooperation of the first hinged seat, the top of the second fixed frame be equipped with
Second attachment base of the first attachment base alignment, the second attachment base are equipped with the second through-hole for connection；Casing is equipped with fastening
Hole is equipped with tight fixed bolt at fastener hole；One end of casing is equipped with adjustment seam (15), and the both sides for adjusting seam are equipped with corresponding fastening
Seat, fastening seat are equipped with adjustment bolt.
9. a kind of plant protection drone according to claim 1, it is characterised in that：Nozzle among grug transportation tube vertically to
Under, nozzle and vertical direction positioned at grug transportation tube both ends are in 30 ° to 45 ° of angle, and nozzle is all made of 120 degree of sector disperse pressure
Spray head or 120 degree of fan-shaped disperse centrifugal energy nozzles.
10. a kind of plant protection drone according to claim 1, it is characterised in that：The bottom of the undercarriage is equipped with and rises and falls
Skid (9).
Priority Applications (1)
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| CN201820244730.XU CN208119437U (en) | 2018-02-09 | 2018-02-09 | A kind of plant protection drone |
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| CN201820244730.XU CN208119437U (en) | 2018-02-09 | 2018-02-09 | A kind of plant protection drone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528691A (en) * | 2018-02-09 | 2018-09-14 | 广东莱盛隆电子股份有限公司 | A kind of plant protection drone |
| CN114229004A (en) * | 2021-11-23 | 2022-03-25 | 衢州光明电力投资集团有限公司赋腾科技分公司 | Traction type large-load pesticide spraying unmanned aerial vehicle and pesticide spraying method |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528691A (en) * | 2018-02-09 | 2018-09-14 | 广东莱盛隆电子股份有限公司 | A kind of plant protection drone |
| CN114229004A (en) * | 2021-11-23 | 2022-03-25 | 衢州光明电力投资集团有限公司赋腾科技分公司 | Traction type large-load pesticide spraying unmanned aerial vehicle and pesticide spraying method |
| CN114229004B (en) * | 2021-11-23 | 2023-09-12 | 衢州光明电力投资集团有限公司赋腾科技分公司 | Traction type large-load pesticide spraying unmanned aerial vehicle and pesticide spraying method |
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