CN109436306A - A kind of unmanned plane rotor protective cover with Fast Installation structure - Google Patents
A kind of unmanned plane rotor protective cover with Fast Installation structure Download PDFInfo
- Publication number
- CN109436306A CN109436306A CN201811405477.2A CN201811405477A CN109436306A CN 109436306 A CN109436306 A CN 109436306A CN 201811405477 A CN201811405477 A CN 201811405477A CN 109436306 A CN109436306 A CN 109436306A
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- Prior art keywords
- shaft wheel
- locking
- nested
- engagement
- push away
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/006—Safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/12—Rotor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Soil Working Implements (AREA)
Abstract
The invention discloses a kind of unmanned plane rotor protective cover with Fast Installation structure, its structure includes fan-shaped fixed frame, cylinder is installed, pivoting leaf, lock emergency stop device, landing gear, the surrounding of locking emergency stop device is respectively equipped with installation cylinder and is structure as a whole, installation cylinder is equipped with more than two and is parallel to each other between any two, fan-shaped fixed frame is equipped with more than two and is separately mounted to installation cylinder, using interference fit, by being equipped with locking emergency stop device, when in use, when device is after flight, it needs in time to stop operating the pivoting leaf on machine, to which the pivoting leaf for avoiding surrounding people from accidentally continuing rotation scratches, safety in utilization is higher；2, by being equipped with runner mobile device inside the device, when in use, when wherein pivoting leaf failure can not rotate machine, the remaining rotating vane that can be operated normally of driving can be continued with mobile device, makes machine that can avoid that there is a situation where crash with safe falling.
Description
Technical field
The present invention is a kind of unmanned plane rotor protective cover with Fast Installation structure, belongs to rotor protective cover field.
Background technique
The machine can be when completion flight be landed, and the rotation of pivoting leaf, avoids on timely arresting stop
Touching is hurt, and when a pivoting leaf failure wherein, is not influenced the operation of remaining pivoting leaf, can be carried out safe drop
It falls.
The prior art is when in use；
1, it when device is at the end of flight, needs to drop to ground, after dropping to ground, the pivoting leaf on machine then can
Because inertia persistently rotates within a certain period of time, will appear within the period when surrounding people accidentally touches pivoting leaf then
The case where incised wound, safety in utilization is lower；
2, when device flight in the sky, inevitably the pivoting leaf on device can be made to break down because of each reason,
When a pivoting leaf breaks down, then it is connected to remaining pivoting leaf and stops operating together, cause device to fall in the sky, crash
The case where；
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of, the unmanned plane with Fast Installation structure revolves
Wing protective cover, to solve the prior art when in use；It when device is at the end of flight, needs to drop to ground, when dropping to ground
Behind face, the pivoting leaf on machine then can persistently rotate within a certain period of time because of inertia, within the period when surrounding people not
Carefully touching pivoting leaf then will appear the case where being hurt, and safety in utilization is lower；It is difficult when device flight in the sky
Exempt from that when a pivoting leaf breaks down, then remaining rotation can be connected to because each reason makes the pivoting leaf on device break down
The problem of the case where leaf stops operating together, causes device to fall in the sky, crashes.
To achieve the goals above, the present invention is to realize by the following technical solutions: one kind having Fast Installation knot
The unmanned plane rotor protective cover of structure, structure include fan-shaped fixed frame, installation cylinder, pivoting leaf, locking emergency stop device, landing
Frame, the surrounding of the locking emergency stop device are respectively equipped with installation cylinder and are structure as a whole, and the installation cylinder is equipped with two or more
And be parallel to each other between any two, the sector fixed frame is equipped with more than two and is separately mounted to installation cylinder, is matched using interference
It closes, the pivoting leaf is equipped with middle part that is more than two and being separately mounted to installation cylinder, is gap-matched, the landing is set up
There are two the above and square structure that is parallel to each other between any two, after the landing gear is separately mounted to locking emergency stop device
End, using interference fit, the locking emergency stop device includes apparatus main body, pushes away and stretch device, circular shaft disk, set connective pole, welding set
Bar, socket mesh rod, pushes away and stretches locking device, runner mobile device engagement shaft wheel, and the quadrangle of described device main body, which is respectively equipped with, to push away
Device is stretched, using interference fit, described push away stretches device and be equipped with more than two and in the same plane, and the circular shaft disk is circle
Structure and device intermeshing is stretched with pushing away respectively, the set connective pole is equipped with and two and is parallel to each other, and the two of the set connective pole
End be respectively equipped with engagement shaft wheel, using interference fit, the welding loop bar set there are two and respectively with apparatus main body left and right ends
Middle part vertical welding, the engagement shaft wheel and circular shaft disk be intermeshed, and the socket mesh rod is equipped with two or more and is located at
On same plane, the socket mesh rod is uniformly and equidistantly nested in the surrounding of runner mobile device, is gap-matched, described
It pushes away and stretches the middle part that locking device sets there are two and is separately mounted to apparatus main body upper and lower ends, the runner mobile device is mounted on
The middle part of apparatus main body.
Further, it is described push away stretch device include push away stretch loop bar, be fixedly mounted block, socket, engagement screws, engagement shaft
Wheel, it is described push away stretch loop bar be nested in be fixedly mounted block inside, be gap-matched, it is described be fixedly mounted block both ends respectively with
Apparatus main body welding, the socket and pushes away and stretches the structure that is welded as a whole below loop bar, and the engagement screws are nested in socket
The downward vertical of the inside of mouth, the engagement shaft wheel and engagement screws is connected and is intermeshed with circular shaft disk.
Further, it is described push away stretch locking device include locking extension bar, ejection limit sleeve block, be fixedly mounted shell, sliding groove,
Engagement shaft wheel, fixing and mounting bracket, movable pushing block, connecting spring, the locking extension bar hang down with the middle part above ejection limit sleeve block
Straight to weld and be connected with runner mobile device, the ejection limit sleeve block nesting is in the middle part that shell is fixedly mounted, the fixation
Mounting shell is vertical with apparatus main body to be connect, and the sliding groove sets there are two and is parallel to each other, and the sliding groove is separately mounted to solid
Determine the left and right ends in the middle part of mounting shell, the engagement shaft wheel is circular configuration and there are two setting, and the engagement shaft wheel is nested respectively
It in the inside of sliding groove, is gap-matched, the fixed installation is provided with two and is connected respectively with engagement shaft wheel, described
Movable pushing block be set to be fixedly mounted shell below middle part, the upper and lower ends of the connecting spring respectively with ejection limit sleeve block and work
Dynamic pushing block vertically connects, using interference fit.
Further, the runner mobile device includes that attachable mechanical stage, type connect ruler, central axis, drum frame, driving shaft wheel, set
Axis, set ruler, the attachable mechanical stage set there are two and are parallel to each other, and the attachable mechanical stage is separately mounted to the upper and lower ends of drum frame, adopts
With clearance fit, the type connect ruler be type structure and it is nested the central axis is circular configuration and there are two setting on center shaft,
The central axis is separately mounted to the middle part of attachable mechanical stage, and the middle part of drum frame front end is equipped with driving shaft wheel, is matched using gap
It closes, the driving shaft wheel is equipped with set axis for the middle part of circular configuration and top and is structure as a whole, and the set axis is nested in set ruler
Inside, the set ruler is rectangle structure and upper and lower ends connect ruler vertical welding with type respectively.
Beneficial effect
A kind of unmanned plane rotor protective cover with Fast Installation structure of the present invention passes through the runner in its structure first
Mobile device driving is rotated by rotating driving shaft wheel, to be moved left and right by set axis by ruler is covered, mobile
Ruler can be connect by type simultaneously to pass through central axis and move left and right attachable mechanical stage on drum frame, so that shifting will be nested in
Socket mesh rod on dynamic ruler engage with set connective pole, with cover while connective pole engages and dress can be stretched with pushing away by circular shaft disk
The engagement shaft wheel engagement set by engagement shaft wheel rotates that the engagement screws for being nested in inside socket are carried out rotation and are nibbled
Close so that push away stretch loop bar along be fixedly mounted block extended or shrink and push away stretch movable pushing block on locking device then can be with
Cooperated by the fixing and mounting bracket and engagement shaft wheel of left and right ends and the inside of sliding groove, to be risen, and is pushed away
To ejection limit sleeve block, so that locking extension bar to be nested in type and connects in ruler, locked, in conclusion the present invention 1, by setting
There is locking emergency stop device, when in use, when device is after flight, need in time to stop operating the pivoting leaf on machine,
To which the pivoting leaf for avoiding surrounding people from accidentally continuing rotation scratches, safety in utilization is higher；2, pass through inside the device
Equipped with runner mobile device, when in use, when machine wherein a pivoting leaf failure can not rotate when, can with mobile device after
The continuous remaining rotating vane that can be operated normally of driving makes machine that can avoid that there is a situation where crash with safe falling.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the unmanned plane rotor protective cover with Fast Installation structure of the present invention.
Fig. 2 is the structural schematic diagram of present invention locking emergency stop device.
Fig. 3 is the present invention locking detailed structural schematic diagram of emergency stop device.
Fig. 4 is the structural schematic diagram of A in present invention locking emergency stop device.
In figure: fan-shaped fixed frame -1, installation cylinder -2, pivoting leaf -3, locking emergency stop device -4, landing gear -5, device master
Body-a, it pushes away and stretches device-b, circular shaft disk-c, set connective pole-d, welding loop bar-e, engagement shaft wheel-f, socket mesh rod-g, pushes away and stretch lock
Determine device-h, runner mobile device-i, push away and stretch loop bar-b1, block-b2, socket-b3, engagement screws-b4, engagement is fixedly mounted
Axis wheel-b5, locking extension bar-h1, ejection limit sleeve block-h2, shell-h3, sliding groove-h4, engagement shaft wheel-h5, fixation is fixedly mounted
Mounting rack-h6, movable pushing block-h7, connecting spring-h8, attachable mechanical stage-i1, U-shaped ruler-i2, central axis-i3, drum frame-i4, master are met
Moving axis wheel-i5, set axis-i6, set ruler-i7
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Fig. 1-Fig. 4 is please referred to, the present invention provides a kind of unmanned plane rotor protective cover technical side with Fast Installation structure
Case: its structure includes fan-shaped fixed frame 1, installation cylinder 2, pivoting leaf 3, locking emergency stop device 4, landing gear 5, the locking emergency stop
The surrounding of device 4 is respectively equipped with installation cylinder 2 and is structure as a whole, and the installation cylinder 2 is equipped with two or more and between any two phase
Mutually parallel, the sector fixed frame 1 is equipped with more than two and is separately mounted to installation cylinder 2, using interference fit, the rotation
Leaf 3 is equipped with middle part that is more than two and being separately mounted to installation cylinder 2, is gap-matched, the landing gear 5 set there are two with
The upper and square structure that is parallel to each other between any two, the landing gear 5 are separately mounted to the rear end of locking emergency stop device 4, adopt
With interference fit, the locking emergency stop device 4 includes apparatus main body a, pushes away and stretch device b, circular shaft disk c, set connective pole d, welding set
Bar e, it engagement shaft wheel f, socket mesh rod g, pushes away and stretches locking device h, runner mobile device i, the quadrangle difference of described device main body a
Device b is stretched equipped with pushing away, using interference fit, described push away stretches device b equipped with more than two and in the same plane, the circular shaft
Disk c be circular configuration and respectively with push away stretch device b intermeshing, the set connective pole d set there are two and be parallel to each other, the set
The both ends of connective pole d are respectively equipped with engagement shaft wheel f, using interference fit, the welding loop bar e set there are two and respectively with device
The middle part vertical welding of the left and right ends main body a, the engagement shaft wheel f and circular shaft disk c are intermeshed, and the socket mesh rod g is set
There are two above and in the same plane, the socket mesh rod g is uniformly and equidistantly nested in the four of runner mobile device i
It being gap-matched in week, described push away stretches the middle part that locking device h sets there are two and is separately mounted to apparatus main body a upper and lower ends,
The runner mobile device i is mounted on the middle part of apparatus main body a, described to push away that stretch device b include pushing away stretch loop bar b1, block is fixedly mounted
B2, socket b3, engagement screws b4, engagement shaft wheel b5, described push away are stretched the inside that loop bar b1 is nested in fixed installation block b2, are used
Clearance fit, the both ends that block b2 is fixedly mounted are welded with apparatus main body a respectively, the socket b3 and are pushed away and are stretched loop bar b1's
Lower section is welded as a whole structure, and the engagement screws b4 is nested in the inside of socket b3, the engagement shaft wheel b5 with engage spiral shell
The downward vertical of bar b4 is connected and is intermeshed with circular shaft disk c, and described push away stretches locking device h including locking extension bar h1, ejection limit
Position set block h2, shell h3, sliding groove h4, engagement shaft wheel h5, fixing and mounting bracket h6, movable pushing block h7, connecting spring h8 is fixedly mounted,
The locking extension bar h1 and the middle part vertical welding above ejection limit sleeve block h2 and it is connected with runner mobile device i, it is described
Ejection limit sleeve block h2 is nested in the middle part that shell h3 is fixedly mounted, and the fixed installation shell h3 is vertical with apparatus main body a to be connect, institute
It states sliding groove h4 to set there are two and be parallel to each other, the sliding groove h4 is separately mounted to that the left and right two in the middle part of shell h3 is fixedly mounted
End, the engagement shaft wheel h5 are circular configuration and there are two setting, and the engagement shaft wheel h5 is respectively nested in the inside of sliding groove h4,
It is gap-matched, the fixing and mounting bracket h6 sets there are two and is connected respectively with engagement shaft wheel h5, the activity pushing block h7
Set on be fixedly mounted shell h3 below middle part, the upper and lower ends of the connecting spring h8 respectively with ejection limit sleeve block h2 and activity
Pushing block h7 is vertically connected, using interference fit, the runner mobile device i include attachable mechanical stage i1, it is U-shaped connect ruler i2, central axis i3,
Drum frame i4, driving shaft wheel i5, set axis i6, ruler i7 is covered, the attachable mechanical stage i1 sets there are two and is parallel to each other, the attachable mechanical stage i1
The upper and lower ends of drum frame i4 are separately mounted to, are gap-matched, the U-shaped ruler i2 that connects is U-shaped structure and is nested in center
On axis i3, the central axis i3 is circular configuration and there are two setting, and the central axis i3 is separately mounted to the middle part of attachable mechanical stage i1,
The middle part of the front end drum frame i4 be equipped with driving shaft wheel i5, be gap-matched, the driving shaft wheel i5 be circular configuration and
The middle part of top is equipped with set axis i6 and is structure as a whole, and the set axis i6 is nested in the inside of set ruler i7, and the set ruler i7 is rectangular
Shape structure and upper and lower ends connect ruler i2 vertical welding with U-shaped respectively.
The method is mainly characterized in that: first by the runner mobile device i driving in its structure, by rotating driving shaft
Wheel i5 is rotated, to move left and right by set axis i6 by ruler i7 is covered, can meet ruler i2 by U-shaped while mobile
It is moved left and right on drum frame i4 by central axis i3 and by attachable mechanical stage i1, so that the set on attachable mechanical stage i1 will be nested in
Mesh rod g is met to engage with set connective pole d.
The method is mainly characterized in that: device b can be stretched with pushing away by circular shaft disk c while engage with set connective pole d
On engagement shaft wheel b5 engagement, by engagement shaft wheel b5 rotate that engagement screws b4 inside socket b3 will be nested in and carry out
Engagement in rotation is extended or is shunk along fixed installation block b2 so that pushing away and stretching loop bar b1.
The method is mainly characterized in that: and pushing away the movable pushing block h7 stretched on locking device h then can be by left and right ends
Fixing and mounting bracket h6 and engagement shaft wheel h5 and the inside of sliding groove h4 are cooperated, to be risen, and push ejection limit to
Position set block h2, thus will locking extension bar h1 be nested in it is U-shaped connect in ruler i2, locked.
Problems solved by the invention be the prior art when in use；When device is at the end of flight, need to drop to ground,
After dropping to ground, the pivoting leaf on machine then can persistently rotate within a certain period of time because of inertia, work as within the period
Surrounding people accidentally touches pivoting leaf then and will appear the case where being hurt, and safety in utilization is lower；When device flies in the sky
When row, inevitably the pivoting leaf on device can be made to break down because of each reason, when a pivoting leaf breaks down, then connected
The problem of leading to the case where remaining pivoting leaf stops operating together, causes device to fall in the sky, crash, the present invention pass through upper
Being combined with each other for component is stated, enables the invention to realize, by being equipped with locking emergency stop device, when in use, when device is flying
After, it needs in time to stop operating the pivoting leaf on machine, so that surrounding people be avoided accidentally to continue the rotation rotated
Rotating vane scratches, and safety in utilization is higher；By being equipped with runner mobile device inside the device, when in use, when machine wherein one
Pivoting leaf failure can continue the driving remaining rotating vane that can be operated normally when can not rotate with mobile device, make machine can be with
Safe falling, avoids that there is a situation where crash.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of unmanned plane rotor protective cover with Fast Installation structure, structure includes fan-shaped fixed frame (1), installation cylinder
(2), pivoting leaf (3), locking emergency stop device (4), landing gear (5), the surrounding of locking emergency stop device (4) are respectively equipped with installation
Cylinder (2) is structure as a whole, and the installation cylinder (2) is equipped with more than two and is parallel to each other between any two, it is characterised in that:
The sector fixed frame (1) is equipped with more than two and is separately mounted to installation cylinder (2), using interference fit, the rotation
Rotating vane (3) is equipped with middle part that is more than two and being separately mounted to installation cylinder (2), is gap-matched, the landing gear (5) sets
There are two the above and square structure that is parallel to each other between any two, the landing gear (5) is separately mounted to locking emergency stop device
(4) rear end, using interference fit；
The locking emergency stop device (4) includes apparatus main body (a), pushes away and stretch device (b), circular shaft disk (c), set connective pole (d), welding
Loop bar (e), socket mesh rod (g), pushes away and stretches locking device (h), runner mobile device (i) engagement shaft wheel (f), described device master
The quadrangle of body (a), which is respectively equipped with to push away, stretches device (b), and using interference fit, described push away is stretched device (b) equipped with two or more and be located at
On same plane, the circular shaft disk (c) be circular configuration and respectively with push away stretch device (b) intermeshing, the set connective pole (d)
It there are two and if is parallel to each other, the both ends of the set connective pole (d) are respectively equipped with engagement shaft wheel (f), described using interference fit
Welding loop bar (e) set there are two and the middle part vertical welding with apparatus main body (a) left and right ends respectively, the engagement shaft wheel (f)
With circular shaft disk (c) be intermeshed, the socket mesh rod (g) be equipped with two or more and it is in the same plane, the socket is nibbled
The surrounding that bar (g) is uniformly and equidistantly nested in runner mobile device (i) is closed, is gap-matched, described push away stretches locking device (h)
If there are two and be separately mounted to the middle parts of apparatus main body (a) upper and lower ends, the runner mobile device (i) is mounted on device master
The middle part of body (a).
2. a kind of unmanned plane rotor protective cover with Fast Installation structure according to claim 1, it is characterised in that: institute
State push away stretch device (b) include push away stretch loop bar (b1), be fixedly mounted block (b2), socket (b3), engagement screws (b4), engagement shaft wheel
(b5), described push away stretches the inside that loop bar (b1) is nested in fixed installation block (b2), is gap-matched, the fixed installation block
(b2) both ends are welded with apparatus main body (a) respectively, and the socket (b3) is welded as a whole with pushing away to stretch below loop bar (b1)
Structure, the engagement screws (b4) are nested in the inside of socket (b3), the engagement shaft wheel (b5) and engagement screws (b4's)
Downward vertical is connected and is intermeshed with circular shaft disk (c).
3. a kind of unmanned plane rotor protective cover with Fast Installation structure according to claim 1, it is characterised in that: institute
State push away stretch locking device (h) include locking extension bar (h1), ejection limit sleeve block (h2), be fixedly mounted shell (h3), sliding groove (h4),
Engagement shaft wheel (h5), fixing and mounting bracket (h6), movable pushing block (h7), connecting spring (h8), the locking extension bar (h1) and ejection
Middle part vertical welding above limit sleeve block (h2) and it is connected with runner mobile device (i), the ejection limit sleeve block (h2)
It is nested in the middle part that shell (h3) is fixedly mounted, the fixed installation shell (h3) is vertical with apparatus main body (a) to be connect, the sliding groove
(h4) it setting there are two and is parallel to each other, the sliding groove (h4) is separately mounted to that the left and right ends in the middle part of shell (h3) are fixedly mounted,
The engagement shaft wheel (h5) is circular configuration and there are two setting, and the engagement shaft wheel (h5) is respectively nested in the interior of sliding groove (h4)
Portion is gap-matched, and the fixing and mounting bracket (h6) sets there are two and is connected respectively with engagement shaft wheel (h5), the activity
Pushing block (h7) is set to the middle part being fixedly mounted below shell (h3), and the upper and lower ends of the connecting spring (h8) are limited with ejection respectively
It covers block (h2) and movable pushing block (h7) vertically connects, using interference fit.
4. a kind of unmanned plane rotor protective cover with Fast Installation structure according to claim 1 or 3, feature exist
Include attachable mechanical stage (i1), U-shaped connect ruler (i2), central axis (i3), drum frame (i4), driving shaft in: the runner mobile device (i)
(i5), set axis (i6), set ruler (i7) are taken turns, the attachable mechanical stage (i1) sets there are two and is parallel to each other, and the attachable mechanical stage (i1) is respectively
The upper and lower ends of drum frame (i4) are mounted on, are gap-matched, U-shaped connect ruler (i2) is U-shaped structure and is nested in center
On axis (i3), the central axis (i3) is circular configuration and there are two setting, and the central axis (i3) is separately mounted to attachable mechanical stage
(i1) middle part at middle part, drum frame (i4) front end is equipped with driving shaft wheel (i5), is gap-matched, the driving shaft wheel
(i5) it is equipped with set axis (i6) for the middle part of circular configuration and top to be structure as a whole, the set axis (i6) is nested in set ruler (i7)
Inside, the set ruler (i7) is rectangle structure and upper and lower ends connect ruler (i2) vertical welding with U-shaped respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405477.2A CN109436306A (en) | 2018-11-23 | 2018-11-23 | A kind of unmanned plane rotor protective cover with Fast Installation structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811405477.2A CN109436306A (en) | 2018-11-23 | 2018-11-23 | A kind of unmanned plane rotor protective cover with Fast Installation structure |
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|---|---|---|---|---|
| CN110254699A (en) * | 2019-06-28 | 2019-09-20 | 江苏大成航空科技有限公司 | A kind of agricultural plant protection unmanned plane rotor protective device |
| WO2022110211A1 (en) * | 2020-11-30 | 2022-06-02 | 深圳市大疆创新科技有限公司 | Protection mechanism, unmanned aerial vehicle assembly, and unmanned aerial vehicle |
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Application publication date: 20190308 |