CN108528708A - Paddle and unmanned aerial vehicle - Google Patents
Paddle and unmanned aerial vehicle Download PDFInfo
- Publication number
- CN108528708A CN108528708A CN201810325165.4A CN201810325165A CN108528708A CN 108528708 A CN108528708 A CN 108528708A CN 201810325165 A CN201810325165 A CN 201810325165A CN 108528708 A CN108528708 A CN 108528708A
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- China
- Prior art keywords
- blade
- sub
- paddle
- head
- slurry
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims description 75
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 230000005408 paramagnetism Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 14
- 238000009434 installation Methods 0.000 description 6
- 238000009955 starching Methods 0.000 description 6
- 229920002472 Starch Polymers 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000019698 starch Nutrition 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000004886 head movement Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U30/00—Means for producing lift; Empennages; Arrangements thereof
- B64U30/20—Rotors; Rotor supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a paddle and an unmanned aerial vehicle, wherein the paddle adopts a foldable sub-paddle design, so that the occupied space of the paddle can be saved, the paddle is convenient to fold and carry outside, the paddle is not easy to collide and damage, and a certain protection effect is realized on the paddle and a user; the design that the paddle head is provided with the self-locking thread is convenient for the disassembly and the assembly and the replacement of the paddle, and meanwhile, the self-locking design can ensure that the paddle is tighter and tighter when the paddle rotates, and is not easy to fly out; the folding state or the unfolding state of the sub-blades is kept based on a magnetic suction mode, so that the safety and the stability of the blades are improved; when collision happens and a certain piece of the sub-paddle is damaged, only the damaged sub-paddle needs to be replaced, the paddle head and the other piece of the sub-paddle can still be continuously used, and the maintenance cost is low. The unmanned aerial vehicle adopting the paddle has the characteristics of good portability, low maintenance cost, strong stability and the like.
Description
Technical field
The present invention relates to unmanned plane fields, and in particular to arrives a kind of blade and unmanned plane.
Background technology
Important accessory one of of the blade as unmanned plane, is driven by motor, and cutting air by high speed rotation generates lift,
It is the major impetus source of unmanned plane especially rotor class unmanned plane, traditional paddle blade structure is as shown in Figure 1, traditional blade 1 is whole
The advantages of body, which uses, is integrally formed fixed structure, such blade is processing cost is low, integral strength is big, moving equilibrium is good etc.
Feature, but due to taking fixed structure, occupied space is larger, and blade can not collapse, and blade edge is sharp, may scratch use
Family goes out to carry highly inconvenient.The carrying mode for removing blade is generally used using the unmanned plane of the traditional blade of this kind,
Blade installation is carried out again before unmanned plane movement, reduces the service efficiency of unmanned plane；On the other hand, when the blade of blade side
After damage, need to replace 1 entirety of the tradition blade, maintenance cost is higher.
Therefore, it is necessary to a kind of occupied spaces smaller, the lower blade of maintenance cost and unmanned plane.
Invention content
In order to overcome described problem, the present invention provides a kind of blade and unmanned plane, the sub- blade of the blade can be around slurry head
It is swung, in non-athletic state, sub- blade can conform to outside motor horn；The overall volume of blade is bright after sub- blade collapses
It is aobvious to reduce, and blade is not easy to scratch human body, it is easy to carry；Sub- blade is fixed on extreme position by magnetic mode,
It is not susceptible to damage when packing up, when expansion runs relatively stable.
Correspondingly, the present invention provides a kind of blade, which includes slurry head, at least two slice, thin piece blades；
At least two slice, thin piece blades are uniformly arranged on the slurry head periphery and are based respectively on shaft and are hinged with the slurry head,
All shafts are in same shaft plane；
The sub- blade can be swung around the corresponding shaft axis, and the slurry head is provided with to be kept away for what the sub- blade was swung
Allow slot；
Two opposite faces of the sub- blade are respectively upper and lower surface；When in the upper surface and the escape groove
When wall contacts, the sub- blade is expanded to extreme position one；When the lower surface and the escape groove inner wall contact, the son
Blade is retracted to extreme position two.
Preferred embodiment, the blade further include driving motor, and the driving motor includes machine shaft；The slurry
Head is connected and fixed with the machine shaft, and the machine shaft axis is vertical with the shaft plane.
Preferred embodiment is provided with external screw thread on the machine shaft, and it is described outer that cooperation is provided on the slurry head
The internal thread of screw thread, the machine shaft are connected and fixed based on thread connecting mode with the slurry head；
It is identical that rotation direction when the machine shaft movement locks the steering of the internal thread with the external screw thread.
Preferred embodiment, the internal thread and external screw thread are mutually matched self-locking thread.
Preferred embodiment, the blade further include motor horn, and the driving motor is fixed on the motor horn
It is upper and coaxial with the motor horn；The sum of the motor horn and the axial length of the driving motor are more than the sub- blade
Length；When the sub- blade is retracted to extreme position two, the sub- blade is fitted in motor horn periphery.
Preferred embodiment, the sub- propeller shank are made using permanent-magnet material；Correspond to institute on the slurry crown face
It states on the position of two escape groove between described two escape groove, is embedded with the magnetic made of paramagnetism or ferrimagnet respectively
Suction block or magnetic adsorption plate；
When the sub- blade is expanded to the extreme position one or is retracted to the extreme position two, kept based on magnetic
Stablize position.
Preferred embodiment, the sub- propeller shank are made using paramagnetism or strong magnetic material；The slurry crown face
It is respectively set between described two escape groove made of useful permanent-magnet material on the upper position corresponding to described two escape groove
Magnetic patch or magnetic sheet；
When the sub- blade is expanded to the extreme position one or is retracted to the extreme position two, it is based on the sub- paddle
Attraction holding position between blade root and the magnetic patch or magnetic sheet is fixed.
Preferred embodiment, the blade further include coil, two electrode bars and two panels annular electrode slice；The coil
It is arranged on the slurry crown face, respectively the top of the described two escape groove of pile warp；
The machine shaft is hollow axle, and two electrode bars are each passed through the both ends of the machine shaft, top difference
It is realized with the both ends of the coil and is electrically connected and is connected and fixed with the slurry head, lower part is electrically connected with brush head respectively；
Be correspondingly arranged on respectively outside the brush head two panels for power supply annular electro pole piece.
Preferred embodiment, the blade further include two pieces for increasing ferromagnetic iron core；Two pieces of iron cores difference
On slurry head and it is respectively above described two escape groove；Iron core described in the coil difference pile warp.
Correspondingly, the present invention also provides a kind of unmanned plane, the unmanned plane include above-described any one blade and
Ontology；The driving motor or the motor horn are fixed on the body.
The present invention provides a kind of blade and unmanned plane, which uses the design of foldable sub- blade, can be great
Blade occupied space is saved, collapses and goes out to carry convenient for blade, be not susceptible to collide and damage, blade and user are all risen
To certain protective effect；The disassembling, assembling and replacing of blade is convenient in the design of paddle headband self-locking thread, while self-locking design may insure
Blade the more turns the more tight, is not easy to fly out, and has good practicability；Blade and motor can not be installed when mismatching, and be avoided
In unmanned plane assembling process, blade and motor install unmatched situation；It is colliding, when certain slice, thin piece blade damages, is only needing
The sub- blade of the damage is replaced, paddle head and another slice, thin piece blade may continue to use, and maintenance cost is relatively low；It is fixed based on magnetic mode
Stability when enhancing is unfolded is stored and be conducive in the position of sub- blade when convenient for packing up.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is existing blade three dimensional structure diagram；
Fig. 2 is the blade three dimensional structure diagram before the sub- blade installation of the embodiment of the present invention；
Fig. 3 is the blade plan structure schematic diagram of the embodiment of the present invention；
Fig. 4 is the slurry head three dimensional structure diagram of the embodiment of the present invention；
Fig. 5 is that the blade of the embodiment of the present invention is in extreme position three dimensional structure diagram for the moment；
Fig. 6 is in three dimensional structure diagram when extreme position two for the blade of the embodiment of the present invention；
Fig. 7 is the slurry head cross-sectional view of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 shows the paddle blade structure schematic three dimensional views of the embodiment of the present invention, it should be noted that the sub- paddle of the schematic diagram
Leaf and shaft are clearer for the signal of position, and shaft is not mounted on slurry head；Similarly, slurry head is not completely fixed in described yet
On the machine shaft of driving motor.An embodiment of the present invention provides a kind of blade, which includes slurry head 2, at least two slice, thin piece paddles
Leaf 3 and the shaft 4 equal with 3 quantity of sub- blade.
At least two slice, thin piece blades 3 are evenly arranged in 2 periphery of slurry head, in specific implementation, in order to ensure balance,
The quantity of sub- blade 3 is at least two panels；In specific implementation, greater number of sub- blade 3 also can be used.The increasing of 3 quantity of sub- blade
Added with conducive to generated power when improving blade rotation under same rotating speed, but on the one hand excessive blade can increase the weight of blade
Amount, on the other hand can be unfavorable for the movement of air-flow, and therefore, the quantity of blades is designed as 2~6 more.
Fig. 3 shows the structure diagram when blade includes 6 slice, thin piece blade.In specific implementation, in order to ensure to starch the weight of head 2
The heart is located on 4 line of rotary shaft, so that it is obtained good balance when rotated, the shape setting of slurry head 2 need to be according to sub- blade 3
Quantity is designed, general 2 structure of slurry head be cylindrical structure, cross sectional shape circle as shown in Figure 3, further, it is also possible to
It is designed according to the quantity of sub- blade 3.For example, when blade has two slice, thin piece blades 3, the center of gravity of two slice, thin piece blades 3 need to be fallen
It starches on the rotation axis of head 2 to ensure the balance of movement, 180 ° should be differed between two slice, thin piece blades 3, i.e. two slice, thin piece blades 3
Axis 301 is on the same line.It is respectively set correspondingly, slurry head 2 can be symmetrical structures, the sub- blades 3 such as cuboid, square
On two opposite flanks of cuboid or square.Similarly, when blade has three slice, thin piece blades 3, adjacent two slice, thin pieces blade 3
Between be in 120 °, correspondingly, slurry head 2 may be designed as the structures such as regular triangular prism, regular hexagonal prism, three slice, thin piece blades 3 are mounted respectively to
On three sides for starching head 2, the axis 301 of three slice, thin piece blades 3 is met on the rotation axis of slurry head 2.And so on, when blade has
When having greater number of sub- blade 3, the structure of slurry head 2 may be designed as circle or be carried out according to the angle between adjacent sub- blade 3
Design.Fig. 3 shows that as the structure diagram when blade includes 6 slice, thin piece blade, slurry head 2 may be designed as cylindrical type or regular hexagonal prism
Shape is met at per the axis 301 of slice, thin piece blade 3 on the rotation axis of slurry head 2, and the axis angle difference of adjacent sub- blade 3 is 60 °.
Fig. 4 shows the slurry head three dimensional structure diagram of the embodiment of the present invention.The blade of the embodiment of the present invention includes two
Slice, thin piece blade 3, is introduced based on this hereinafter, correspondingly, 2 structure design of slurry head of the embodiment of the present invention is cuboid knot
Structure.
In order to realize the oscillating function of sub- blade 3, need to process the space moved for sub- blade 3 on slurry head 2, because
This, needs countershaft 4 to the part slurry head 2 between 2 outside of slurry head to be hollowed out to realize evacuation.Due to the embodiment of the present invention
Sub- blade 3 is separately positioned on the opposite face of two minimum areas of slurry head 2, and therefore, the space for evacuation is separately positioned on
The junction of the opposite face and bottom surface of two minimum areas is named as escape groove 201 to the space for evacuation below.Evacuation
Visually the movement angle of sub- blade 3 and the shape of sub- blade 3 are designed for the design of slot 201.
The sub- blade 3 of the embodiment of the present invention is based in the installation of shaft 4 to slurry head 2, specifically, the embedded installation of the shaft 4 is extremely
It can be fixedly connected on slurry head 2 and with shaft 4 around own axis, 3 root of sub- blade.All shafts 4 are located at same shaft
In plane, to increase balance when sub- blade is run.
In embodiments of the present invention, shaft 4 is set as cylindric and is installed in escape groove 201, and top surface is distinguished with bottom surface
On 201 liang of parallel opposing surfaces of hinged escape groove.3 root of sub- blade is stretched into outside slurry head 2,4 periphery of the shaft that is connected to.
The movement angle of the sub- blade of the embodiment of the present invention 3 is 90 °, the extreme position for swinging both sides be respectively horizontal position and
The extreme position one of the sub- blade of vertical position, the i.e. embodiment of the present invention 3 is horizontal position, the corresponding expansion shape for sub- blade 3
State；Extreme position two is vertical position, the corresponding collapsed state for sub- blade 3.In specific design, the activity of sub- blade 3 is empty
Between visual required swing angle be designed, the embodiment of the present invention is not introduced one by one.
For the movement angle of siding stopping blade 3, need that position limiting structure is arranged on two extreme positions of sub- blade 3,
It is mounted in slurry head 2, sub- blade 3 can be limited by escape groove 201 since the rotor of the embodiment of the present invention is embedded
Position.
Fig. 5 shows that the sub- blade of the embodiment of the present invention 3 moves to extreme position structural schematic diagram for the moment.Specific implementation
In, when group blade 3 is retracted to extreme position a period of time, the i.e. horizontal position of the embodiment of the present invention, the upper surface 302 of sub- blade 3
It is bonded with 201 inner wall of escape groove, to form limit.
Fig. 6 shows structural schematic diagram when the sub- blade of the embodiment of the present invention 3 moves to extreme position two.Group blade 3
When being expanded to extreme position two, i.e., the vertical position of the embodiment of the present invention when, the lower surface of sub- blade 3 and 201 inner wall of escape groove
Fitting, to form limit.In sub- blade 3, lower surface is the face opposite with upper surface 302, due to visual angle relationship, in figure
It does not mark.
It should be noted that the position shape that is contacted with the upper and lower surface of sub- blade 3 of escape groove 201 should respectively with
The upper and lower surface of sub- blade 3 is adapted, and when the upper and lower surface of sub- blade 3 being made to be contacted with escape groove 201, is located at
Upper surface or lower surface in escape groove 201 are bonded with escape groove 201 completely, this is designed with to mitigate 201 antithetical phrase of escape groove
The pressure of blade 3 increases the service life of sub- blade 3；Meanwhile when starching the movement of headband mover blade, providing sufficiently large branch
Area is supportted, to drive sub- blade to move.
Further, the blade of the embodiment of the present invention further includes having driving motor 5, the machine shaft axis of driving motor 5
Should be vertical with the axis of shaft 4, machine shaft is connected and fixed with slurry head 2 and drives slurry head 2 and sub- blade 3 to rotate；Due to this
3 quantity of sub- blade of inventive embodiments is two panels, and therefore, the link position of machine shaft and slurry head 2 should be arranged in two slice, thin piece paddles
On the center axis of symmetry of leaf 3.It is introduced in conjunction with installation position of the above sub- blade 3 in relation to different number on slurry head 2, in order to
Slurry head 2 and sub- blade 3 can obtain preferable balance when rotated, and the link position of machine shaft and slurry head 2 should be arranged each
At the axis joint of sub- blade 3.
In addition, existing machine shaft mostly uses square shaft or cuts a plane in round shaft, thus with slurry head 2
The hole of corresponding shape carries out cooperation transmission, in longtime running, due to the start and stop campaign of machine shaft, starches the hole shape of head 2
Slight deformation can occur, deviate from so as to cause slurry head 2, be easy to happen accident.The machine shaft 501 of the embodiment of the present invention uses spiral shell
The mode of line is connected and fixed with slurry head 2, and the direction of rotation when rotation direction of screw thread works with slurry head 2 is related；The motor of driving motor 5
Direction when shaft 501 runs well should be the direction of external screw thread locking slurry 2 internal thread of head of machine shaft 501.In order to ensure
Slurry head 2 is not deviate from easily, and screw thread should be set as self-locking thread, when machine shaft drives slurry head 2 to start, the screw thread of machine shaft
It is locked on slurry head 2；When machine shaft drives slurry head 2 to stop, due to the self-locking of screw thread, slurry head 2 will not be deviate from easily.
By existing unmanned plane structure it is found that usually driving motor 5 can be directly anchored on unmanned plane, due to unmanned plane
5 size of driving motor is typically small, and the length of sub- blade 3 can be more than the axial dimension of driving motor 5, when the embodiment of the present invention
When sub- blade 3 is rocked to extreme position two, i.e., upright position when, sub- blade 3 can cross driving motor 5, it is possible to unmanned plane
Remaining part interfere, therefore, it is necessary to increase the axial dimension of motor.
In the blade of the embodiment of the present invention, motor horn 6, the axial direction of motor horn 6 are provided with below driving motor 5
The sum of length and the axial length of driving motor 5 are more than the length of sub- blade 3.When group blade 3 moves to extreme position two, i.e.,
When upright position, sub- blade 3 can be attached to the periphery of motor horn 6, will not cross motor horn 6 and the remaining part of unmanned plane is sent out
Raw interference.
Further, when slurry head does not move, sub- blade can be packed up under the effect of gravity, but in carrying or moving process
In, it will be bounced, be easily damaged by slight vibration；Similarly, when starching head movement, although in the state of centripetal force, son
Blade can keep unfolded state, but when encountering the wind of vertical sub- blade, the expanded angle of sub- blade can change, and be unfavorable for
The control of flight, therefore, it is necessary to which sub- blade is stably held in collapsed state or unfolded state, the embodiment of the present invention passes through magnetic
Mode realize.
Wherein, sub- blade is not shown in figure.The present embodiments relate to embodiment there are two types of, first, making son
Paddle belt is magnetic, so as to be passed through in driving motor shell or in unfolded state by magnetic absorption in collapsed state
Magnetic absorption is in escape groove；Second is that make driving motor shell and escape groove that there is magnetism, make sub- blade in collapsed state or
It can be attracted to outside driving motor or in escape groove in unfolded state.
Embodiment one：The magnetic substance of the tool such as flaky magnet can be used to be made for sub- propeller shank and/or end, to make
Sub- paddle belt is magnetic.In order to sub- blade can be sucked in escape groove, the present embodiment is kept away on the top surface of slurry head with both sides
Allow between slot be equipped with iron plate, magnet etc. can the absorption of quilt blade paramagnetism or ferromagnetic material, the embodiment of the present invention by its
It is named as magnetic adsorption plate or magnetic block, when 6 leaf of group paddle is in unfolded state or collapsed state, the magnetic absorption that can have by itself
In the paramagnetism or ferromagnetic material, it is tightly attached in escape groove.It should be noted that in order to avoid the same of magnetism occurs
Grade repellencies are starched and discrete installation magnetic adsorption plate 707 and magnetic block 707 are answered to be used for respectively by two on the face of the crown between escape groove
Slice, thin piece blade adsorbs, and avoids using integral structure.
Embodiment two：Sub- blade is made of paramagnetism or ferrimagnet, starch on the face of the crown and the escape groove of both sides it
Between magnet etc. be installed have magnetic substance, the embodiment of the present invention is named as magnetic sheet or magnetic patch；6 leaf of group paddle is in expansion
When state or collapsed state, it can be attracted on the paramagnetism or ferromagnetic material, be tightly attached in escape groove respectively.
Structure above in relation to embodiment one and embodiment two can refer to the propeller-blade section structural schematic diagram shown in Fig. 7,
In, the component of dash number 707 and 708 can be that magnetic adsorption plate, magnetic block, magnetic sheet or magnetic patch, otherness are mainly reflected in it
Material.
Fig. 7 shows the propeller-blade section structural schematic diagram of the embodiment of the present invention.Further, in order to avoid in stationary state
When, sub- blade is surprisingly unfolded and is maintained at unfolded state, damages, the magnet on sub- blade top surface can be used hot-wire coil into
Row substitutes, since slurry head is movement, the energization of coil will also make corresponding design.Specific embodiment is as follows：
It starches and is embedded with a turn coil 701 on 2 top surface of head, coil 701 is about the slurry centrosymmetric coiling pile warp of 2 rotation axis of head
The top of two escape groove.The both ends setting of coil 701 is near slurry 2 rotation axis of head.By structure described above it is found that driving
The machine shaft 501 of dynamic motor 5 is fixed on the rotation axis of slurry head 2；The machine shaft of the embodiment of the present invention is set using hollow
Meter, external stability has rotor 503, can be realized and be rotated by the cooperation with motor stator 502, be internally provided with two it is discrete
Electrode bar 702,702 both ends of electrode bar respectively from the both ends of machine shaft 501 stretch out, wherein top respectively with coil 701
Both ends are electrically connected, and lower part stretches to 6 inside of motor horn and has been electrically connected brush head 706.In order to ensure electrode bar
702 with slurry head 2 synchronous rotation, respectively outside electrode bar 702 stretch out driving motor shaft both ends be respectively arranged with upper fixation
Ring 703 and lower fixed ring 704, wherein upper fixed ring 703 is connected and fixed with slurry head 2, and what lower fixed ring 704 was slided is embedded in motor
On horn.Corresponding to different brush heads 706,706 periphery of brush head it is discrete be provided with two panels ring electrode 705, two panels
Ring electrode 705 is respectively connected to the both ends of power supply.
Further, in order to enhance localized magnetization, two pieces of iron cores 708 can be respectively set above escape groove；It needs to illustrate
, the position that iron core 708 is arranged will be located in coil 701.
When driving motor drives slurry head movement, slurry head drives two electrode bar rotations by upper fixed ring；Electrode bar phase
It is fixed for coil, therefore, the rotation for starching head does not interfere with the connection status of coil and electrode bar.Two electrode bars
The brush of lower end is electrically connected with corresponding ring electrode respectively, first and while rotate with starching in electrode bar, brush head not between
Disconnected is electrically connected with ring electrode, and therefore, for coil when starching head rotation, it is constant to remain powered on state, and generates a stabilization
Magnetic field.And in a non-operative state, since coil no power can not generate magnetism, if sub- blade because fortuitous event departing from
Collapsed state, under gravity, also fast very fast recovery collapsed state, will not be adsorbed to unfolded state by effect of magnetic influence.
It by the introduction of both examples above, can make sub- blade in collapsed state or when unfolded state, keep more
Stable collapsed state or unfolded state is conducive to the damage for avoiding sub- blade in storage and stability when improving operation.
The blade of the embodiment of the present invention uses the design of foldable sub- blade, can greatly save blade occupied space,
It collapses and goes out to carry convenient for blade, be not susceptible to collide and damage, blade and user are all played a certain protective role；
The disassembling, assembling and replacing of blade is convenient in the design of paddle headband self-locking thread, while self-locking design may insure that blade the more turns the more tight, be not easy
It flies out, there is good practicability；Blade and driving motor can not be installed when mismatching, and be avoided in unmanned plane assembling process
In, blade and motor install unmatched situation；Based on the magnetic collapsed state and unfolded state for keeping sub- blade, have good
Practicability.On the other hand, it is often damaged when existing blade unmanned plane falls, generates collision, but collision often only can
One side of blade is damaged, but entire blade must be replaced, unmanned plane blade is more valuable, causes economic loss.The present invention is implemented
The paddle blade structure that example provides is colliding, and when certain slice, thin piece blade injury is damaged, only needs to change the sub- blade of the damage, paddle head and another
One slice, thin piece blade may continue to use, and maintenance cost is relatively low.
Correspondingly, the blade that the embodiment of the present invention is provided is also applicable on unmanned plane.Using the embodiment of the present invention
The unmanned plane of provided blade includes blade and ontology, and the driving motor or motor horn of blade are fixed on the body.
In specific implementation, in order to ensure the balance of unmanned plane operation and easily handling, the setting of the quantity of blade is preferable at 3~5 groups.It adopts
Have the characteristics that good portability, maintenance cost are low, stability is strong with the unmanned plane of blade provided in an embodiment of the present invention.
It is provided for the embodiments of the invention a kind of blade above and unmanned plane is described in detail, it is used herein
Principle and implementation of the present invention are described for specific case, and the explanation of above example is only intended to help to understand this
The method and its core concept of invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, specific
There will be changes in embodiment and application range, in conclusion the content of the present specification should not be construed as to the present invention's
Limitation.
Claims (10)
1. a kind of blade, which is characterized in that the blade includes slurry head, at least two slice, thin piece blades；
At least two slice, thin piece blades are uniformly arranged on the slurry head periphery and are based respectively on shaft and are hinged with the slurry head, own
Shaft is in same shaft plane；
The sub- blade can be swung around the corresponding shaft axis, and the slurry head is provided with the evacuation swung for the sub- blade
Slot；
Two opposite faces of the sub- blade are respectively upper and lower surface；When the upper surface and the escape groove inner wall connect
When touching, the sub- blade is expanded to extreme position one；When the lower surface and the escape groove inner wall contact, the sub- blade
It is retracted to extreme position two.
2. blade as described in claim 1, which is characterized in that the blade further includes driving motor, the driving motor packet
Include machine shaft；The slurry head is connected and fixed with the machine shaft, and the machine shaft axis is vertical with the shaft plane.
3. blade as claimed in claim 2, which is characterized in that external screw thread is provided on the machine shaft, on the slurry head
It is provided with the cooperation externally threaded internal thread, the machine shaft is connected and fixed based on thread connecting mode with the slurry head；
It is identical that rotation direction when the machine shaft movement locks the steering of the internal thread with the external screw thread.
4. blade as claimed in claim 3, which is characterized in that the internal thread and external screw thread are mutually matched self-locking spiral shell
Line.
5. blade as claimed in claim 2, which is characterized in that the blade further includes motor horn, and the driving motor is solid
It is scheduled on the motor horn and coaxial with the motor horn；The axial length of the motor horn and the driving motor it
With the length more than the sub- blade；When the sub- blade is retracted to extreme position two, the sub- blade is fitted in the electricity
Machine horn periphery.
6. blade as claimed in any one of claims 1 to 5, wherein, which is characterized in that the sub- propeller shank uses permanent-magnet material
It is made；It is described slurry crown face on correspond to described two escape groove position between described two escape groove, be embedded with respectively
Magnetic block or magnetic adsorption plate made of paramagnetism or ferrimagnet；
When the sub- blade is expanded to the extreme position one or is retracted to the extreme position two, based on magnetic holding position
Stablize.
7. blade as claimed in any one of claims 1 to 5, wherein, which is characterized in that the sub- propeller shank using paramagnetism or
Strong magnetic material is made；Correspond on the slurry crown face on the position of described two escape groove between described two escape groove
Magnetic patch or magnetic sheet made of useful permanent-magnet material is respectively set；
When the sub- blade is expanded to the extreme position one or is retracted to the extreme position two, it is based on the sub- blade root
Attraction holding position between portion and the magnetic patch or magnetic sheet is fixed.
8. blade as claimed in claim 7, which is characterized in that the blade further includes coil, two electrode bars and two rings
Shape electrode slice；The coil is arranged on the slurry crown face, respectively the top of the described two escape groove of pile warp；
The machine shaft is hollow axle, and two electrode bars are each passed through the both ends of the machine shaft, top respectively with institute
Realize electrical connection and be connected and fixed with the slurry head that lower part is electrically connected with brush head respectively in the both ends for stating coil；
Be correspondingly arranged on respectively outside the brush head two panels for power supply annular electro pole piece.
9. blade as claimed in claim 8, which is characterized in that the blade further includes two pieces for increasing ferromagnetic iron core；
Two pieces of iron cores are embedded on slurry head and are respectively above described two escape groove respectively；Iron described in the coil difference pile warp
Core.
10. a kind of unmanned plane, which is characterized in that the unmanned plane includes any one blade and sheet described in claim 2 to 9
Body；The driving motor or the motor horn are fixed on the body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810325165.4A CN108528708B (en) | 2018-04-12 | 2018-04-12 | Paddle and unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810325165.4A CN108528708B (en) | 2018-04-12 | 2018-04-12 | Paddle and unmanned aerial vehicle |
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| CN108528708B CN108528708B (en) | 2020-07-03 |
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| CN201810325165.4A Active CN108528708B (en) | 2018-04-12 | 2018-04-12 | Paddle and unmanned aerial vehicle |
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| CN108528708B (en) | 2020-07-03 |
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