CN109878718A - A kind of anticollision unmanned plane rotor assemblies - Google Patents
A kind of anticollision unmanned plane rotor assemblies Download PDFInfo
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- CN109878718A CN109878718A CN201711276147.3A CN201711276147A CN109878718A CN 109878718 A CN109878718 A CN 109878718A CN 201711276147 A CN201711276147 A CN 201711276147A CN 109878718 A CN109878718 A CN 109878718A
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Abstract
A kind of anticollision unmanned plane rotor assemblies of the present invention, including rotor platform, rotor platform edges are evenly distributed with rotor arm, and rotor arm end is provided with rotor, and rotor is rotated by flight motor driven, it is characterised in that: each rotor arm end is provided with anticollision mechanism；Rotor arm includes first sleeve, piston rod and second spring, second spring is installed in first sleeve, and piston rod one end is protruded into first sleeve and contacted with second spring, and the other end is provided with rotor, first sleeve one end is connect with piston rod, and the other end is fixedly connected with rotor platform；Rotor arm and linking arm are disposed as elastic construction by unmanned plane of the invention, when unmanned plane touches barrier, can be buffered, will not make rotor arm stress, so that rotor and rotor arm be protected not to be damaged.
Description
Technical field
The invention belongs to air vehicle technique fields, and in particular to a kind of anticollision unmanned plane rotor assemblies.
Background technique
UAV, abbreviation unmanned plane are a kind of new concept equipment being in rapid development, with motor-driven spirit
Work, rapid reaction, unmanned flight, operation require low advantage.Currently, unmanned plane has been widely used for military affairs, scientific research, civilian
Three big fields, specifically in fields such as electric power, communication, meteorology, agricultural, ocean, exploration, photography, patrol, anti-terror explosive removings using very
Extensively.
Since unmanned plane needs to fly in different environments, very big, especially rotor part a possibility that damage, if
Have and a little damage, will result in imbalance, unmanned plane is caused to fall damage, so, to solve this problem, the entrance of anticollision unmanned plane
Everybody visual field.
Anticollision unmanned plane increases by a circle safeguard structure in unmanned plane rotor part, which is outside rotor mostly
Increase guard ring is enclosed, rotates rotor in guard ring, is collided to avoid rotor and the external world, to reach the mesh of anticollision
's.
But the guard ring is generally rigid structure, so, when colliding, if can make without turning in time
Entire rotor arm all stress, can be such that entire rotor arm damages in this way, unmanned plane is caused to fall.
Summary of the invention
When colliding to solve to exist in the prior art rigidly connected safeguard structure, entire rotor arm will lead to all
The technical issues of stress, the present invention provides following technical schemes:
A kind of anticollision unmanned plane rotor assemblies, including rotor platform, the rotor platform edges are evenly distributed with rotor arm, institute
It states rotor arm end and is provided with rotor, rotor is rotated by flight motor driven, wherein each rotor arm end is provided with
Anticollision mechanism；
The rotor arm includes first sleeve, piston rod and second spring, and the second spring is installed in the first sleeve,
Described piston rod one end is protruded into the first sleeve and is contacted with the second spring, and the other end is provided with the rotor, institute
It states first sleeve one end to connect with the piston rod, the other end is fixedly connected with the rotor platform；
The anticollision mechanism includes the linking arm for being fixed on rotor arm end, and the linking arm end is provided with Crashworthy plate,
The Crashworthy plate is arc-shaped structure, and the center of circle is overlapped with the rotation center of the rotor；
The linking arm includes the first spring, second sleeve, telescopic rod, the first fixed part and the second fixed part, the telescopic rod
One end is protruded into the second sleeve, and the telescopic rod other end is fixedly connected with first fixed part, the second sleeve
Bottom end is fixedly connected with second fixed part, and first spring pocket is set in the telescopic rod and second sleeve and both ends
It is contradicted on first fixed part and the second fixed end surface respectively；
The Crashworthy plate is fixedly connected with first fixed part, and the rotor arm is fixedly connected with second fixed part.
As a further explanation of the present invention, it is respectively provided in each anticollision mechanism there are three the Crashworthy plate and linking arm,
Three linking arms and the rotor arm are arranged in crossing distribution；
Tapped through hole is provided on second fixed part, and three linking arms sequentially pass through the screw thread by screw and lead to
Hole is fixedly connected with the rotor arm.
As a further explanation of the present invention, the central angle of the Crashworthy plate is 60 ° -90 °.
As a further explanation of the present invention, the rotor platform base is additionally provided with spraying mechanism；
The spraying mechanism includes the water tank of the rotor platform base setting, and immersible pump is provided in the water tank, described latent
Pump outlet is equipped with water pipe, and the water pipe bottom end is provided with spray assembly；
The spray assembly includes turntable and multiple spray heads for being installed on the disk peripheral face, and institute is protruded into the water pipe bottom end
State in turntable and with the turntable connects with the internal cavities, be fixedly installed with deep groove ball bearing in the turntable, the water pipe passes through
The deep groove ball bearing is fixedly connected with the deep groove ball bearing inner ring, with realize between the turntable and the water pipe can
Rotation connection；
The turntable inner bottom is provided with internal screw thread and is connected through a screw thread a locking nut, with the fixation deep-groove ball axis
It holds；
It is provided with O-ring seal between water pipe top outer wall and turntable inner wall, to realize between the water pipe and turntable
Space sealing；
Multiple spray heads are circumferentially uniformly distributed along the turntable and the spray head is tilted to same direction.
As a further explanation of the present invention, the inclined direction of the spray head is clockwise or counterclockwise.
Compared with prior art, what the present invention obtained has the beneficial effect that
Rotor arm and linking arm are disposed as elastic construction by unmanned plane rotor assemblies of the invention, touch obstacle in unmanned plane
It when object, can be buffered, rotor arm stress will not be made, so that rotor and rotor arm be protected not to be damaged.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is unmanned plane main view.
Fig. 2 is unmanned plane top view.
Fig. 3 is unmanned plane linking arm structural schematic diagram.
Fig. 4 is unmanned plane rotor arm cross-sectional view.
Fig. 5 is unmanned plane spraying mechanism cross-sectional view.
Fig. 6 is unmanned plane spraying mechanism top view.
In figure: 1, rotor platform；2, rotor arm；3, rotor；4, flight motor；5, linking arm；6, Crashworthy plate；7, the first bullet
Spring；8, second spring；9, second sleeve；10, telescopic rod；11, the first fixed part；12, the second fixed part；13, tapped through hole；
14, first sleeve；15, piston rod；16, water tank；17, immersible pump；18, water pipe；19, turntable；20, spray head；21, deep-groove ball axis
It holds；22, locking nut；23, O-ring seal.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
Embodiment 1:
When colliding to solve to exist in the prior art rigidly connected safeguard structure, will lead to entire rotor arm all by
Power, thus be easy to cause unmanned plane fall damage the technical issues of, the present embodiment provides a kind of anticollision unmanned plane rotor groups
Part, as shown in Figure 1 and Figure 2, including rotor platform 1,1 edge of rotor platform are evenly distributed with rotor arm 2, the setting of 2 end of rotor arm
There is rotor 3, rotor 3 is driven by flight motor 4 to be rotated, wherein each 2 end of rotor arm is provided with anticollision mechanism；Rotor arm 2
As shown in figure 4, including first sleeve 14, piston rod 15 and second spring 8, second spring 8 is installed in first sleeve 14, piston
15 one end of bar is protruded into first sleeve 14 and is contacted with second spring 8, and the other end is provided with rotor 3,14 one end of first sleeve with
Piston rod 15 connects, and the other end is fixedly connected with rotor platform 1；Anticollision mechanism includes the linking arm for being fixed on 2 end of rotor arm
5,5 end of linking arm is provided with Crashworthy plate 6, and Crashworthy plate 6 is arc-shaped structure, and the center of circle is overlapped with the rotation center of rotor 3；Even
Arm 5 is connect as shown in figure 3, including the first spring 7, second sleeve 9, telescopic rod 10, the first fixed part 11 and the second fixed part 12, is stretched
10 one end of contracting bar is protruded into second sleeve 9, and 10 other end of telescopic rod is fixedly connected with the first fixed part 11,9 bottom end of second sleeve
It is fixedly connected with the second fixed part 12, the first spring 7 is sheathed in telescopic rod 10 and second sleeve 9 and both ends contradict respectively
On 12 end face of first fixed part 11 and the second fixed part；Crashworthy plate 6 is fixedly connected with the first fixed part 11, rotor arm 2 and second
Fixed part 12 is fixedly connected.
Above-mentioned unmanned plane protects rotor 3 in flight course, through Crashworthy plate 6, guarantees that rotor 3 will not touch extraneous obstacle
Then Crashworthy plate 6 is fixed on 3 periphery of rotor by the connecting rod of above structure by object, can by rotor arm 2 and linking arm 5
Second level damping is constituted, when Crashworthy plate 6 touches barrier, the active force that collision generates can be offset by spring force, thus
Reduce power suffered by rotor arm 2, achievees the purpose that protect rotor 3 and rotor arm 2.
It is respectively provided in above-mentioned each anticollision mechanism there are three Crashworthy plate 6 and linking arm 5, three linking arms 5 are in rotor arm 2
Crossing distribution setting；Tapped through hole 13 is provided on second fixed part 12, and three linking arms 5 sequentially pass through spiral shell by screw
Line through-hole 13 is fixedly connected with rotor arm 2.The central angle of Crashworthy plate 6 is.
The central angle of above-mentioned Crashworthy plate 6 is set as 60 ° -90 °, and quantity is three, and each linking arm 5 is and Crashworthy plate
6 circular arc arc centers go out to be fixedly connected, so, the clearance angle between two adjacent Crashworthy plates 6 is up to 16 °, minimum
0, and it is because of in flight, only outside can collide unmanned plane, and inside is revolved that Crashworthy plate 6 is not provided at rotor arm 2
At wing arm 2 will not collision obstacle, so, be not provided with Crashworthy plate 6 at this, and when between two Crashworthy plates 6 angle be 16 °
When, when touching barrier, since two Crashworthy plates 6 are closer, so barrier cannot touch rotor 3, the structure was both
It can be well protected rotor 3, and material can be saved, reduce cost.
Embodiment 2:
The unmanned plane provided in above-described embodiment can carry plurality of devices, be widely used in every field, and the present embodiment only mentions
For a kind of carrying spraying mechanism, which can be applied to haze improvement, plant protection, the fields such as fire-fighting.
Spraying mechanism is as shown in Figure 5, Figure 6, the water tank 16 including the setting of 1 bottom surface of rotor platform, is provided in water tank 16 latent
Water pump 17,17 water outlet of immersible pump are equipped with water pipe 18, and 18 bottom end of water pipe is provided with spray assembly；Spray assembly includes turntable 19
With the multiple spray heads 20 being installed on 19 periphery of turntable, 18 bottom end of water pipe protrude into turntable 19 and with 19 internal cavities of turntable
It is connected to, deep groove ball bearing 21 is fixedly installed in turntable 19, water pipe 18 passes through deep groove ball bearing 21 and 21 inner ring of deep groove ball bearing
It is fixedly connected, to realize being rotatably connected between turntable 19 and water pipe 18；19 inner bottom of turntable is provided with internal screw thread and leads to
It crosses and is threadedly coupled a locking nut 22, to fix deep groove ball bearing 21；It is arranged between 18 top outer wall of water pipe and 19 inner wall of turntable
There is O-ring seal 23, to realize the space sealing between water pipe 18 and turntable 19；Circumferential uniform point along turntable 19 of multiple spray heads 20
Cloth and spray head 20 are tilted to same direction.
Preferably, the inclined direction of spray head 20 is clockwise or counterclockwise.
Liquid pressing in water tank 16 is then sent in turntable 19, the spray by immersible pump 17 in above-mentioned spray assembly
The axial line of spray head 20 and 19 radius of turntable form an obtuse angle in mist component, and multiple spray heads 20 incline to same direction
Tiltedly, the direction can be clockwise is also possible to counterclockwise, when the liquid of pressurization by spray head 20 spray when, can generate one with
Injection direction opposite effect power is not required to increase any driving mechanism, saves cost so will lead to 19 spinning of turntable.?
During 19 spinning of turntable, centrifugal force can be also generated, cover the liquid sprayed can under the influence of centrifugal force bigger
Range is sprayed, spraying efficiency is improved.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (5)
1. a kind of anticollision unmanned plane rotor assemblies, including rotor platform, the rotor platform edges are evenly distributed with rotor arm,
Rotor arm end is provided with rotor, and rotor is rotated by flight motor driven, it is characterised in that: each rotor arm end
It is provided with anticollision mechanism；
The rotor arm includes first sleeve, piston rod and second spring, and the second spring is installed in the first sleeve,
Described piston rod one end is protruded into the first sleeve and is contacted with the second spring, and the other end is provided with the rotor, institute
It states first sleeve one end to connect with the piston rod, the other end is fixedly connected with the rotor platform；
The anticollision mechanism includes the linking arm for being fixed on rotor arm end, and the linking arm end is provided with Crashworthy plate,
The Crashworthy plate is arc-shaped structure, and the center of circle is overlapped with the rotation center of the rotor；
The linking arm includes the first spring, second sleeve, telescopic rod, the first fixed part and the second fixed part, the telescopic rod
One end is protruded into the second sleeve, and the telescopic rod other end is fixedly connected with first fixed part, the second sleeve
Bottom end is fixedly connected with second fixed part, and first spring pocket is set in the telescopic rod and second sleeve and both ends
It is contradicted on first fixed part and the second fixed end surface respectively；
The Crashworthy plate is fixedly connected with first fixed part, and the rotor arm is fixedly connected with second fixed part.
2. rotor assemblies according to claim 1, it is characterised in that: be respectively provided in each anticollision mechanism and prevent there are three described
Plate and linking arm are hit, three linking arms and the rotor arm are arranged in crossing distribution；
Tapped through hole is provided on second fixed part, and three linking arms sequentially pass through the screw thread by screw and lead to
Hole is fixedly connected with the rotor arm.
3. rotor assemblies according to claim 2, it is characterised in that: the central angle of the Crashworthy plate is 60 ° -90 °.
4. rotor assemblies according to claim 1-3, it is characterised in that: the rotor platform base is additionally provided with
Spraying mechanism；
The spraying mechanism includes the water tank of the rotor platform base setting, and immersible pump is provided in the water tank, described latent
Pump outlet is equipped with water pipe, and the water pipe bottom end is provided with spray assembly；
The spray assembly includes turntable and multiple spray heads for being installed on the disk peripheral face, and institute is protruded into the water pipe bottom end
State in turntable and with the turntable connects with the internal cavities, be fixedly installed with deep groove ball bearing in the turntable, the water pipe passes through
The deep groove ball bearing is fixedly connected with the deep groove ball bearing inner ring, with realize between the turntable and the water pipe can
Rotation connection；
The turntable inner bottom is provided with internal screw thread and is connected through a screw thread a locking nut, with the fixation deep-groove ball axis
It holds；
It is provided with O-ring seal between water pipe top outer wall and turntable inner wall, to realize between the water pipe and turntable
Space sealing；
Multiple spray heads are circumferentially uniformly distributed along the turntable and the spray head is tilted to same direction.
5. rotor assemblies according to claim 4, it is characterised in that: the inclined direction of the spray head be clockwise or
Counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276147.3A CN109878718A (en) | 2017-12-06 | 2017-12-06 | A kind of anticollision unmanned plane rotor assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276147.3A CN109878718A (en) | 2017-12-06 | 2017-12-06 | A kind of anticollision unmanned plane rotor assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109878718A true CN109878718A (en) | 2019-06-14 |
Family
ID=66923712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276147.3A Withdrawn CN109878718A (en) | 2017-12-06 | 2017-12-06 | A kind of anticollision unmanned plane rotor assemblies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109878718A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792032A (en) * | 2020-06-11 | 2020-10-20 | 安徽二水测绘院 | Unmanned aerial vehicle is used in topographic survey and drawing |
| CN112190856A (en) * | 2020-09-29 | 2021-01-08 | 安徽茗达专用汽车制造有限公司 | Intelligent fire-fighting disaster relief unmanned aerial vehicle |
-
2017
- 2017-12-06 CN CN201711276147.3A patent/CN109878718A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792032A (en) * | 2020-06-11 | 2020-10-20 | 安徽二水测绘院 | Unmanned aerial vehicle is used in topographic survey and drawing |
| CN112190856A (en) * | 2020-09-29 | 2021-01-08 | 安徽茗达专用汽车制造有限公司 | Intelligent fire-fighting disaster relief unmanned aerial vehicle |
| CN112190856B (en) * | 2020-09-29 | 2021-12-07 | 山东龙翼航空科技有限公司 | Intelligent fire-fighting disaster relief unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190614 |
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| WW01 | Invention patent application withdrawn after publication |