CN207595293U - A kind of unmanned aerial vehicle ejecting device - Google Patents
A kind of unmanned aerial vehicle ejecting device Download PDFInfo
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- CN207595293U CN207595293U CN201721719217.3U CN201721719217U CN207595293U CN 207595293 U CN207595293 U CN 207595293U CN 201721719217 U CN201721719217 U CN 201721719217U CN 207595293 U CN207595293 U CN 207595293U
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- frame
- carrier bracket
- aerial vehicle
- inclined shore
- unmanned aerial
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Abstract
The utility model is related to a kind of unmanned aerial vehicle ejecting device, including supporting frame, ejection frame body and driving mechanism.Supporting frame is suitable for carrying inclined shore frame including one and is respectively arranged on the high-end position of the inclined shore frame and the bottom supporting rod of low side position；Inclined shore frame upper surface is equipped with sliding rail.Launch frame body, set on the upper surface of inclined shore frame, including the carrier bracket for being suitable for carrying unmanned plane, the carrier bracket being vertical at below carrier bracket and be respectively arranged on carrier bracket an opposite both sides of the face the pulley blocks for being suitable for connecting with sliding rail slip.Driving mechanism is slided suitable for driving ejection frame body along the upper surface of inclined shore frame.The unmanned aerial vehicle ejecting apparatus structure of the utility model is simple and ejection stability is strong.
Description
Technical field
The utility model is related to unmanned air vehicle technique field, in particular to a kind of unmanned aerial vehicle ejecting device.
Background technology
Unmanned plane is the aircraft for having speed, and certain auxiliary catapult-launching gear is needed in its starting stage of taking off, because
This has the ejection of unmanned plane supporting rack and catapult-launching gear and structure design certain requirement.Current catapult-launching gear is tied more
Structure is complicated, and locks the complicated of aircraft, inconvenient for use.
Utility model content
The purpose of this utility model is to provide a kind of unmanned aerial vehicle ejecting device, simple in structure to solve, and ejection stability
The technical issues of strong.
What the unmanned aerial vehicle ejecting device of the utility model was realized in：
A kind of unmanned aerial vehicle ejecting device, including：
Supporting frame is suitable for carrying inclined shore frame including one and is respectively arranged on high-end position and the low side of the inclined shore frame
The bottom supporting rod of position；The inclined shore frame upper surface is equipped with sliding rail；
Frame body is launched, set on the upper surface of the inclined shore frame, the carrier bracket, vertical including being suitable for carrying unmanned plane
Carrier bracket below the carrier bracket and be respectively arranged on the carrier bracket an opposite both sides of the face it is suitable
In the pulley blocks to connect with sliding rail slip；And
Driving mechanism, suitable for the ejection frame body is driven to be slided along the upper surface of inclined shore frame.
Further, the driving mechanism includes being suitable for drawing upper surface cunning of the carrier bracket along inclined shore frame
Dynamic steel wire rope, the guide wheel assembly suitable for guiding steel wire rope drive and the capstan winch suitable for the locking steel wire rope.
Further, the guide wheel assembly includes a pair first that longitudinal direction is set on the outside of the high-end position of the inclined shore frame
Guide wheel and the second guide wheel on the inside of the low side position of the inclined shore frame；
The steel wire rope is successively around a pair of first guide wheel and the second guide wheel；And
The capstan winch is set on the outside of the low side position of the inclined shore frame.
Further, one is further included to be suitable for stop and discharge the stop relieving mechanism of the unmanned plane on the carrier bracket；
The stop relieving mechanism includes：The montant of falling arm for unmanned plane described in backstop on the carrier bracket
The linkage unit of falling arm being connected with the montant of falling arm is somebody's turn to do the linkage unit of falling arm and is suitable for the driving montant of falling arm relative to the load
Body bracket is perpendicular or parallel.
Further, the linkage unit of falling arm includes the coupling bar being connect with the montant of falling arm, is fixed on the load
It is suitable for the sleeve that the coupling bar is inserted into and the resetting spring being sheathed on the coupling bar on body support frame；
The coupling bar is equipped with spring anchor block and the reset that the one end for being suitable for the resetting spring is supported
The other end of spring is resisted against the end of the sleeve.
Further, the montant of falling arm is fixed on symmetrically arranged two rotations in upper surface of the carrier bracket front end
In seat；
The montant of falling arm is rotatedly connected by rotating bar and the rotating seat.
Further, further include a buffer gear, including be set on inclined shore frame high-end position bumper and absorbing shock block and set
One is equipped in the carrier bracket front end to be suitable for the bumper and absorbing shock block to the Buffer Unit on top；
The Buffer Unit includes the first bolster and the second bolster that are respectively arranged on the montant of the falling arm both sides.
Further, between first bolster and the second bolster be equipped with a fixed link, the fixed link with it is described fall
The linkage of arm linkage unit is connected.
Further, first bolster passes through the two panels laterally set on the frame of the carrier bracket side including one
First buffer bar of connection sheet and be sheathed on first buffer bar and between connection sheet described in two panels first
Buffer spring；
The first buffer bar tail portion is equipped with a gear for being suitable for the first buffering rod rear end is prevented to be detached from the connection sheet
Block；
The first buffer bar leading portion, which is equipped with, to be suitable for the bumper and absorbing shock block to the first shock tapered end on top；
The first shock tapered end rear end is equipped be suitable for the first buffer bar leading portion is prevented to be detached from the connection sheet first and slides
Block.
Further, second bolster passes through the two panels laterally set on the frame of the carrier bracket side including one
Second buffer bar of connection sheet and be sheathed on second buffer bar and between connection sheet described in two panels second
Buffer spring；
The second buffer bar tail portion is equipped with a gear for being suitable for the second buffering rod rear end is prevented to be detached from the connection sheet
Block；
The second buffer bar leading portion, which is equipped with, to be suitable for the bumper and absorbing shock block to the second shock tapered end on top；
The second shock tapered end rear end is equipped be suitable for the second buffer bar leading portion is prevented to be detached from the connection sheet second and slides
Block.
Relative to the prior art, the utility model embodiment has the advantages that：Using guide wheel group, steel wire rope and strand
Disk coordinates so that steel wire rope reduces abrasion in use, increases the service life of steel wire rope.Further through the buffering group of setting
Part can not only reduce the damage for carrier bracket, moreover it is possible to which, so that after ejection, launching cradle physical efficiency is quickly sprung back.Again by using
Stop relieving mechanism, it is simple in structure, and can well take-off process fix unmanned plane, and release when more
Quickly, the takeoff speed of unmanned plane is not hindered.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 shows the overall structure figure of a kind of unmanned aerial vehicle ejecting device that the utility model embodiment is provided；
Fig. 2 shows a kind of ejection frame body structural representations for unmanned aerial vehicle ejecting device that the utility model embodiment is provided
Figure；
Fig. 3 shows the launching cradle body-side view of a kind of unmanned aerial vehicle ejecting device that the utility model embodiment is provided；
Fig. 4 shows a kind of steel wire rope locker signal for unmanned aerial vehicle ejecting device that the utility model embodiment is provided
Figure；
Fig. 5 shows the connection sheet schematic diagram of a kind of unmanned aerial vehicle ejecting device that the utility model embodiment is provided.
In figure：Launch frame body 001, carrier bracket 100, carrier bracket 200, pulley blocks 210, rotating seat 220, through-hole 221,
Sliding bearing 222, connection sheet 230, trepanning 231, circular hole 232, pintle 240, the montant of falling arm 310, cross bar 311, electromagnet assembly
312nd, range sensor 313, the linkage unit of falling arm 320, coupling bar 321, sleeve 322, resetting spring 323, spring anchor block
324th, supporting frame 400, bottom supporting rod 410, inclined shore frame 420, sliding rail 430, steel wire rope 510, the first guide wheel 520,
Two guide wheels 530, capstan winch 540, steel wire rope locker 550, bumper and absorbing shock block 610, the first bolster 620, the first buffer bar 621,
First buffer spring 622, the first block 623, first shock tapered end 624, the first sliding block 625, the second bolster 630, second are slow
Jumper bar 631, the second buffer spring 632, the second block 633, second shock tapered end 634, the second sliding block 635, fixed link 640.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model.
As shown in Figures 1 to 4, a kind of unmanned aerial vehicle ejecting device, including：Supporting frame 400, ejection frame body 001 and driving
Mechanism.
Supporting frame 400 is suitable for carrying inclined shore frame 420 including one and is respectively arranged on the height of the inclined shore frame 420
Hold the bottom supporting rod 410 of position and low side position；420 upper surface of inclined shore frame is equipped with sliding rail 430.
Frame body 001 is launched, set on the upper surface of inclined shore frame 420, the carrier bracket including being suitable for carrying unmanned plane
100th, it is vertical at the carrier bracket 200 of the lower section of carrier bracket 100 and is respectively arranged on the one opposite two of carrier bracket 200
The pulley blocks 210 for being suitable for connecting with the slip of sliding rail 430 of side end face.The carrier bracket 100 of the present embodiment is using for example but unlimited
In U-shaped structure.
Driving mechanism is slided suitable for driving ejection frame body 001 along the upper surface of inclined shore frame 420.
Specifically, driving mechanism includes being suitable for what traction carrier bracket 200 was slided along the upper surface of inclined shore frame 420
Steel wire rope 510, the guide wheel assembly suitable for the transmission of guiding steel wire rope 510 and the capstan winch 540 suitable for Locking stylet rope 510.Steel wire
Rope 510 is connected to the front end of carrier bracket 200.
Preferably, guide wheel assembly includes the first guide wheel of a pair 520 that longitudinal direction is set on the outside of the high-end position of inclined shore frame 420
With second guide wheel 530 on the inside of the low side position of inclined shore frame 420；Steel wire rope 510 is successively around 520 He of a pair of first guide wheel
Second guide wheel 530；There are two the settings of first guide wheel 520, it is possible to reduce 510 single-point stress of steel wire rope increases by 510 longevity of steel wire rope
Life.
Capstan winch 540 is set on the outside of the low side position of inclined shore frame 420.Using the first guide wheel 520,530 and of the second guide wheel
Capstan winch 540 can reduce the abrasion of steel wire rope 510, increase the service life of steel wire rope 510；And guide wheel assembly is simple in structure,
Cost is relatively low.
Optionally, 200 tail portion of carrier bracket is additionally provided with a pintle 240 for immobilization carrier bracket 200, and pintle 240 connects
It is connected to the upper end of the bottom supporting rod 410 of low side position.
The course of work of driving mechanism is in the present embodiment：Before preparing to launch unmanned plane, pintle 240 catches on fixed bullet
Frame body 001 is penetrated, and steel wire rope 510 is tightened；When starting ejection, pintle 240 is discharged, by quickly pulling steel wire rope 510
Ejection frame body 001 is driven along 420 fast upward motion of inclined shore frame, when ejection frame body 001 arrives under the traction of steel wire rope 510
Up to inclined shore frame 420 high-end position when, since the power for pulling steel wire rope 510 disappears, the effect of ejection frame body 001 gravity itself
Under, it is moved from the high-end position of inclined shore frame 420 to low side displacement, while steel wire rope 510 also returns back to original state.
Preferably, refering to what is shown in Fig. 4, capstan winch 540 is equipped with one for fixing the steel wire rope locker 550 of steel wire rope 510,
After steel wire rope 510 are tightened, by 550 locking steel wire rope 510 of steel wire rope locker, prevent steel wire rope 510 from loosening and being unfavorable for bullet
Apply the starting speed of bigger when penetrating to unmanned plane.
Preferably, unmanned aerial vehicle ejecting device further includes stopping suitable for the unmanned plane in stop and release carrier bracket 100
Dynamic relieving mechanism.
Stop relieving mechanism includes：On carrier bracket 200 for backstop unmanned plane the montant of falling arm 310 and with fall
The connected linkage unit of falling arm 320 of arm montant 310 is somebody's turn to do the linkage unit of falling arm 320 and is suitable for the driving montant of falling arm 310 relative to carrier
Bracket 200 is perpendicular or parallel.
The linkage unit of falling arm 320 includes the coupling bar 321 being connect with the montant of falling arm 310, is fixed on carrier bracket 100
The sleeve 322 being inserted into suitable for coupling bar 321 and the resetting spring 323 being sheathed on coupling bar；Coupling bar 321 is equipped with one
The spring anchor block 324 and the other end of resetting spring 323 supported suitable for one end of resetting spring 323 are resisted against sleeve 322
End.
Specifically, the montant of falling arm 310 is fixed on symmetrically arranged two rotating seats in upper surface of 200 front end of carrier bracket
In 220；The montant of falling arm 310 is rotatedly connected by rotating bar and rotating seat 220.
Two 220 upper ends of rotating seat have been equipped with a through-hole 221, and a sliding bearing 222 is equipped in through-hole 221；Arm
310 lower end of montant is equipped with a cross bar 311 for being connect with sliding bearing 222；I.e. the montant of falling arm 310 can by cross bar 311
Rotation is fixed between two rotating seats 220.
Refering to what is shown in Fig. 5, carrier bracket 200 is rectangular frame；It is fixed respectively on two body side frames of carrier bracket 200 to connect
It is connected to two panels connection sheet 230；Connection sheet 230 is L-shaped structure, and the vertical portion of connection sheet 230 offers a trepanning 231；Connection
The horizontal component of piece 230 offers a circular hole 232, the circle that connection sheet 230 is opened up by screw rod across 230 horizontal component of connection sheet
Hole 232 is fixedly connected with carrier bracket 200.
The action process of stop relieving mechanism is in the present embodiment：When unmanned plane is positioned on carrier bracket 100, arm
Montant 310 is vertical with carrier bracket 200, and the montant of falling arm 310 is fixedly connected with aircraft bottom, and resetting spring 323 is stretches at this time
State, when unmanned plane reaches point of release, the montant of falling arm 310 is leaned forward, and resetting spring 323 returns by the power drive of aircraft
Bullet forgets about it the montant of falling arm 310 to horizontal with carrier bracket 200.
Optionally, stop relieving mechanism further includes an electromagnet assembly 312, Yi Jishe for being set on 310 upper end of the montant of falling arm
In the range sensor 313 of 200 front end of carrier bracket.Coordinate range sensor 313 and electromagnet assembly 312, before taking off, electricity
Magnet assemblies 312, which are powered, to be connected, and is securely attracted with uav bottom, when range sensor 313 is detected positioned at setting value, electricity
The power-off release of magnet assemblies 312 so that unmanned function is taken off faster, reduces the resistance being subject to when unmanned plane takes off, and tie
Structure is simple.
Preferably, unmanned aerial vehicle ejecting device further includes a buffer gear, the high-end position including being set on inclined shore frame 420
Bumper and absorbing shock block 610 and set on 200 front end of carrier bracket be equipped with one be suitable for bumper and absorbing shock block 610 to the Buffer Unit on top；
Buffer Unit includes the first bolster 620 and the second bolster 630 that are respectively arranged on 310 both sides of the montant of falling arm.
A fixed link 640, the fixed link 640 and the linkage of falling arm are equipped between first bolster 620 and the second bolster 630
The linkage of component 320 is connected, specifically, fixed link 640 is connected to generate the active force that links with coupling bar 321.
First bolster 620 passes through the two panels connection sheet 230 laterally set on 200 side frame of carrier bracket including one
First buffer bar 621 and be sheathed on the first buffer bar 621 and the first buffering elastic between two panels connection sheet 230
Spring 622.First buffer bar, 621 tail portion is equipped with one and is suitable for the first block that 621 rear end of the first buffer bar is prevented to be disconnected piece 230
623.First buffer bar, 621 leading portion, which is equipped with, to be suitable for bumper and absorbing shock block 610 to the first shock tapered end 624 on top；First shock is locked
First 624 rear end is equipped with the first sliding block 625 for being suitable for that 621 leading portion of the first buffer bar is prevented to be disconnected piece 230.
Second bolster 630 passes through the two panels connection sheet 230 laterally set on 200 side frame of carrier bracket including one
Second buffer bar 631 and be sheathed on the second buffer bar 631 and the second buffering elastic between two panels connection sheet 230
Spring 632.Second buffer bar, 631 tail portion is equipped with one and is suitable for the second block that 631 rear end of the second buffer bar is prevented to be disconnected piece 230
633.Second buffer bar, 631 leading portion, which is equipped with, to be suitable for bumper and absorbing shock block 610 to the second shock tapered end 634 on top；Second shock is locked
First 634 rear end is equipped with the second sliding block 635 for being suitable for that 631 leading portion of the second buffer bar is prevented to be disconnected piece 230.
The purpose of the first bolster 620 and the second bolster 630 is set to be：Top is launched when unmanned plane reaches, is struck
During bumper and absorbing shock block 610, after first shock tapered end 624 and the shock of second shock tapered end 634 so that buffer spring compresses, and reduces
Collision of the bumper and absorbing shock block 610 to carrier bracket 200, damage, prolongs the service life caused by so as to avoid collision possibility.
Due to fixed link 640 with state the linkage unit of falling arm 320 linkage be connected so that resetting spring 323 faster rebound.
Specifically, after the first bolster 620 and the second bolster 630 and bumper and absorbing shock block 610 are to top, bumper and absorbing shock block 610 is to first
620 and second bolster 630 of bolster generates impact force.Fixed link 640 holds the first bolster 620 and the second bolster 630
That receives causes buffer spring to compress the impact force on top with bumper and absorbing shock block 610, and after impact force disappearance, buffer spring is multiple
Position, the reset of buffer spring generate the synchronous reset power to fixed link 640, since the linkage of fixed link 640 and coupling bar 321 is made
Firmly, fixed link 640 accelerates the rebound for the resetting spring 323 for supporting coupling bar 321.
On the other hand, it being connected with coupling bar 321 with the fixed link 640 for generating linkage active force by design, also helps
In when reducing resistance of the montant of falling arm 310 for unmanned plane in unmanned plane take-off process, specifically, ought 620 He of the first bolster
After second bolster 630 and bumper and absorbing shock block 610 are to top, buffer spring drives fixed link 321 to translate during compressing, fixed
Translation linkage 321 compression reseting spring 323 of coupling bar of bar 312, it is dynamic when the compression combination unmanned plane of resetting spring 323 takes off
Power so that the montant of falling arm 310 overturn to 200 horizontality of carrier bracket, unmanned plane smoothly takes off.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of unmanned aerial vehicle ejecting device, which is characterized in that including：
Supporting frame is suitable for carrying inclined shore frame including one and is respectively arranged on the high-end position of the inclined shore frame and low side position
Bottom supporting rod；The inclined shore frame upper surface is equipped with sliding rail；
Frame body is launched, set on the upper surface of the inclined shore frame, including being suitable for carrying the carrier bracket of unmanned plane, be vertical at
Carrier bracket below the carrier bracket and be respectively arranged on the carrier bracket an opposite both sides of the face be suitable for
The pulley blocks that the sliding rail slip connects；And
Driving mechanism, suitable for the ejection frame body is driven to be slided along the upper surface of inclined shore frame.
2. unmanned aerial vehicle ejecting device according to claim 1, which is characterized in that the driving mechanism includes being suitable for traction institute
Steel wire rope, the guide wheel assembly suitable for guiding steel wire rope drive that carrier bracket is slided along the upper surface of inclined shore frame are stated, with
And the capstan winch suitable for locking the steel wire rope.
3. unmanned aerial vehicle ejecting device according to claim 2, which is characterized in that the guide wheel assembly includes longitudinal direction and is set on institute
It states the first guide wheel of a pair on the outside of the high-end position of inclined shore frame and is led set on the inside of the low side position of the inclined shore frame second
Wheel；
The steel wire rope is successively around a pair of first guide wheel and the second guide wheel；And
The capstan winch is set on the outside of the low side position of the inclined shore frame.
4. according to 1 or 3 any one of them unmanned aerial vehicle ejecting device of claim, which is characterized in that further include one and be suitable for stop
With the stop relieving mechanism for discharging the unmanned plane on the carrier bracket；
The stop relieving mechanism includes：On the carrier bracket for the montant of falling arm of unmanned plane described in backstop and with
The linkage unit of falling arm that the montant of falling arm is connected is somebody's turn to do the linkage unit of falling arm and is suitable for the driving montant of falling arm relative to the carrier support
Frame is perpendicular or parallel.
5. unmanned aerial vehicle ejecting device according to claim 4, which is characterized in that the linkage unit of falling arm include with it is described
The montant of falling arm connection coupling bar, be fixed on the carrier bracket be suitable for the coupling bar be inserted into sleeve and be arranged
Resetting spring on the coupling bar；
The coupling bar is equipped with spring anchor block and the resetting spring that the one end for being suitable for the resetting spring is supported
The other end be resisted against the end of the sleeve.
6. unmanned aerial vehicle ejecting device according to claim 5, which is characterized in that the montant of falling arm is fixed on the carrier
In symmetrically arranged two rotating seats in upper surface of bracket front end；
The montant of falling arm is rotatedly connected by rotating bar and the rotating seat.
7. unmanned aerial vehicle ejecting device according to claim 4 a, which is characterized in that buffer gear is further included, including being set on
The bumper and absorbing shock block of the high-end position of inclined shore frame and set on the carrier bracket front end be equipped with one be suitable for it is described buffering subtract
Shake Buffer Unit of the block to top；
The Buffer Unit includes the first bolster and the second bolster that are respectively arranged on the montant of the falling arm both sides.
8. unmanned aerial vehicle ejecting device according to claim 7, which is characterized in that first bolster and the second bolster
Between be equipped with a fixed link, the fixed link and the linkage unit of falling arm, which link, to be connected.
9. unmanned aerial vehicle ejecting device according to claim 8, which is characterized in that first bolster includes one and passes through institute
It states the first buffer bar of the two panels connection sheet laterally set on the frame of carrier bracket side and is sheathed on first buffer bar
On and the first buffer spring between connection sheet described in two panels；
The first buffer bar tail portion is equipped with a block for being suitable for the first buffering rod rear end is prevented to be detached from the connection sheet；
The first buffer bar leading portion, which is equipped with, to be suitable for the bumper and absorbing shock block to the first shock tapered end on top；
The first shock tapered end rear end is equipped with the first sliding block for being suitable for the first buffer bar leading portion is prevented to be detached from the connection sheet.
10. unmanned aerial vehicle ejecting device according to claim 9, which is characterized in that second bolster is passed through including one
Second buffer bar of the two panels connection sheet laterally set on the frame of the carrier bracket side and be sheathed on it is described second buffering
On bar and between connection sheet described in two panels the second buffer spring；
The second buffer bar tail portion is equipped with a block for being suitable for the second buffering rod rear end is prevented to be detached from the connection sheet；
The second buffer bar leading portion, which is equipped with, to be suitable for the bumper and absorbing shock block to the second shock tapered end on top；
The second shock tapered end rear end is equipped with the second sliding block for being suitable for the second buffer bar leading portion is prevented to be detached from the connection sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719217.3U CN207595293U (en) | 2017-12-11 | 2017-12-11 | A kind of unmanned aerial vehicle ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719217.3U CN207595293U (en) | 2017-12-11 | 2017-12-11 | A kind of unmanned aerial vehicle ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207595293U true CN207595293U (en) | 2018-07-10 |
Family
ID=62765151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721719217.3U Active CN207595293U (en) | 2017-12-11 | 2017-12-11 | A kind of unmanned aerial vehicle ejecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207595293U (en) |
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2017
- 2017-12-11 CN CN201721719217.3U patent/CN207595293U/en active Active
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