CN111762333A - A launching cradle for unmanned aerial vehicle transmission - Google Patents
A launching cradle for unmanned aerial vehicle transmission Download PDFInfo
- Publication number
- CN111762333A CN111762333A CN202010510013.9A CN202010510013A CN111762333A CN 111762333 A CN111762333 A CN 111762333A CN 202010510013 A CN202010510013 A CN 202010510013A CN 111762333 A CN111762333 A CN 111762333A
- Authority
- CN
- China
- Prior art keywords
- gear
- support frame
- fixed
- rotating
- unmanned aerial
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Launching or towing gear
- B64F1/06—Launching or towing gear using catapults
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U70/00—Launching, take-off or landing arrangements
- B64U70/70—Launching or landing using catapults, tracks or rails
Abstract
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to an ejection rack for launching an unmanned aerial vehicle, aiming at the problems that the existing fixing rack cannot be stopped in time, the ejection rack is easy to damage, the ejection rack is inconvenient to move, and the ejection rack is complex and laborious to adjust. The unmanned aerial vehicle fixing device has the advantages that the unmanned aerial vehicle fixing device can be slowly stopped, collision is prevented, steering movement is automatically carried out, and labor is saved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an ejection rack for launching an unmanned aerial vehicle.
Background
Unmanned aerial vehicle has a wholesale fan in china, and unmanned aerial vehicle's type is many, and traditional fixed wing unmanned aerial vehicle's the departure need be with the help of external force usually, and traditional mode of taking off uses the ejector bracket usually or adopts the hand formula to take off, need be in the wide place of environment during the departure, and the mount drives the aircraft and removes when the transmission, separates when reacing the track end.
Traditional unmanned aerial vehicle ejection rack's structure is all too simple, the mount still can be in the inertia of motor or other power after the separation and drive the removal that lasts down, just at this moment need set up blocking device, just can make the mount stop through the striking, in the long-term use, can cause the destruction of mount to warp, it is fixed shakiness when leading to the transmission, make the failure of taking off, influence the success rate, and traditional mount needs the manual work to carry suitable position, very inconvenient, and traditional mount all needs manual operation when the regulation, the operation is complicated inconvenient, and after fixed, the transformation direction that still can not be timely, it is fixed to need the manual work to pull out equipment jack-up again, very difficultly.
Disclosure of Invention
The ejection rack for unmanned aerial vehicle launching provided by the invention solves the problems that a fixed rack cannot be stopped in time, is easy to damage, is inconvenient to move, and is too complex and laborious to adjust.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ejection rack for unmanned aerial vehicle launching comprises a support frame, wherein the support frame is composed of two fixed plates which are arranged in parallel, two ends of each fixed plate are fixed through iron rods, the inner wall of one end of the support frame is symmetrically provided with chain wheels, two sides of the inner wall of the support frame, which is far away from one end of each chain wheel, are provided with ratchet wheel assemblies, the edges of the chain wheels are in transmission connection with the ratchet wheel assemblies through chains, one sides of the chain wheels, which are close to the fixed plates, are fixedly connected with driven gears, the bottoms of the driven gears are rotatably meshed with transmission gears, the transmission gears are rotatably connected with the inner wall of the support frame through rotating shafts, one sides of the transmission gears, which are far away from the driven gears, are rotatably connected with rotating bearings, one sides of the rotating bearings, which are far away from the transmission gears, the pinion rack is close to drive gear's one end and is provided with the fixed block, and the both sides of fixed block are passed through the transfer line and are connected with drive gear rotation each other, and the center department bottom of ratchet subassembly is provided with the telescopic link, and the equal fixedly connected with bevel gear in both ends of telescopic link, the bottom of telescopic link is rotated and is engaged with the runner assembly, one side that the telescopic link is close to the chain wheel is provided with electric putter, one side that electric putter was kept away from to the telescopic link.
Preferably, the ratchet wheel subassembly comprises chain ring, solid fixed ring, driving lever, dwang and skewed tooth ring, and the both ends and the support frame rotation each other of dwang are connected, and the both ends outer wall of dwang all encircles the rigid coupling and has solid fixed ring, and solid fixed ring's outer wall is and encircles and be provided with a plurality of driving levers, and the chain ring encircles in solid fixed ring's outer wall department, and the inner wall of chain ring is the slope and is provided with skewed tooth, and skewed tooth and the mutual joint of driving lever, and the center department of dwang is through skewed tooth ring and bevel gear rotating mesh.
Preferably, the power assembly comprises a driving motor, a power gear and a helical gear, the power gear is fixedly connected to the power output end of the driving motor, the helical gear is located at the center of the rotating shaft and is meshed with the power gear, and two sides of the driving motor are fixedly connected with the supporting frame through iron rods.
Preferably, the fixed subassembly includes mount, connecting plate, promotes piece and slide rail, and the inner wall both sides fixed connection of slide rail and support frame, mount and the mutual joint of chain, the mount passes through the mutual fixed connection of the promotion piece of connecting plate and bottom, promotes the both sides of piece and is provided with oblique tooth.
Preferably, the rotating assembly comprises a connecting gear, a rotating wheel, a supporting frame and a fixed gear, the connecting gear is meshed with the bevel gear in a rotating mode, the rotating wheel is arranged on each of two sides of the connecting gear, the supporting frame connected with the telescopic rod in a rotating mode is arranged at the top of the rotating wheel, the inner wall of the supporting frame is connected with the rotating wheel in a rotating mode through a bearing, the fixed gear is fixedly connected to the telescopic rod at the top of the supporting frame in a surrounding mode, and the fixed gear is meshed with the control assembly.
Preferably, the control assembly consists of a control rod, a rotating knob and a fixed gear ring, the outer wall of the control rod is in sliding connection with the fixed gear ring, and the bottom of the rotating knob is meshed with the fixed gear through the fixed gear ring.
Preferably, the bottom of the power assembly is mutually fixed with the support frame through an iron plate, the two sides of the bottom of the support frame, which are close to the power assembly, are provided with telescopic support rods, and the tops of the telescopic support rods are rotatably connected with the support frame through universal rotating shafts.
Preferably, one side that the pinion rack is close to the support frame runs through the support frame and is provided with the pull rod, and the one end that the pinion rack was kept away from to the pull rod is provided with the pulling button, and the outer wall that the pull rod is located support frame inside is to encircle and is provided with the spring.
Compared with the prior art, the invention has the beneficial effects that:
1. when in use, the power assembly drives the transmission gear to rotate, then the transmission gear drives the chain wheel to rotate through the driven gear, then the fixed assembly is pulled to slide through the chain, when the fixed assembly moves to the toothed plate, the fixed assembly is separated from the unmanned aerial vehicle, so that the unmanned aerial vehicle takes off, the toothed plate can be clamped with the fixed assembly, the fixed assembly is prevented from moving reversely, the fixed assembly is extruded on the fixed block, the transmission rod is driven to move towards two sides, the rolling bearing is further driven to push towards two sides, the transmission gear is further driven to move towards two sides, the transmission gear is separated from the driven gear, the driven gear is further driven to lose power, the chain wheel is further driven to lose power, and the fixed assembly is not pulled to move any more, the device is very convenient, does not need manual operation, automatically realizes separation, is simple and convenient to operate, then, when the rotating bearing is pushed to the two sides by the transmission rod, the pressing spring is pressed, so that the resistance of the fixed assembly during moving is increased, and the fixed assembly can be quickly stopped.
2. Before ejection, the rotating assembly is arranged at the bottom of the telescopic rod, the rotating wheel is arranged in the rotating assembly, the rotating assembly at the bottom can be driven to move by pulling the support frame close to one end of the power assembly, so that the equipment can be conveniently pulled without carrying, when the launching direction of the unmanned aerial vehicle needs to be changed, the chain can be driven by the power component to move reversely, thereby driving the ratchet wheel component to rotate, driving the telescopic rod to rotate through the ratchet wheel component, then driving the connecting gear at the bottom to rotate through the telescopic rod, further driving the rotating wheel to rotate, and enabling the rotating component to move, and then drive the support frame rotatory round universal axis of rotation, when needs change direction of rotation, the control assembly through rotating the top drives the fixed gear and rotates, makes the runner assembly rotatory then, can adjust the direction wantonly, and is very convenient, need not artifical transport.
Drawings
Fig. 1 is a schematic view of an ejection rack for launching an unmanned aerial vehicle according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a side view of the internal structure of a catapult for launching an unmanned aerial vehicle according to the invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a structural top view of a catapult power assembly for launching an unmanned aerial vehicle according to the invention;
fig. 6 is a front view of a power assembly of a launch rack for launching an unmanned aerial vehicle according to the present invention.
In the figure: 1. a support frame; 2. a chain wheel; 3. a ratchet assembly; 301. a chain loop; 302. a fixing ring; 303. a deflector rod; 304. rotating the rod; 305. a skewed tooth ring; 4. a chain; 5. a driven gear; 6. a transmission gear; 601. a rotating shaft; 7. a rotating bearing; 8. a compression spring; 9. a power assembly; 901. a drive motor; 902. a power gear; 903. a helical gear; 10. a transmission rod; 11. a fixed block; 12. a toothed plate; 121. a pull rod; 13. a fixing assembly; 131. a fixed mount; 132. a connecting plate; 133. a pushing block; 134. a slide rail; 14. a telescopic rod; 141. a bevel gear; 15. a rotating assembly; 151. a connecting gear; 152. a rotating wheel; 153. a support frame; 154. fixing a gear; 16. an electric push rod; 17. a control component; 171. a control lever; 172. rotating the knob; 173. a fixed gear ring; 18. a universal rotating shaft; 19. a telescopic supporting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an ejection rack for unmanned aerial vehicle launching comprises a support frame 1, the support frame 1 is composed of two parallel fixing plates, two ends of each fixing plate are fixed through iron rods, chain wheels 2 are symmetrically arranged on the inner wall of one end of the support frame 1, ratchet wheel assemblies 3 are arranged on two sides of the inner wall of one end of the support frame 1 far away from the chain wheels 2, the edge of each chain wheel 2 is in transmission connection with the ratchet wheel assemblies 3 through chains 4, driven gears 5 are fixedly connected to one sides of the chain wheels 2 close to the fixing plates, transmission gears 6 are rotatably meshed with the bottoms of the driven gears 5, the transmission gears 6 are rotatably connected with the inner wall of the support frame 1 through rotating shafts 601, one sides of the transmission gears 6 far away from the driven gears 5 are rotatably connected with rotating bearings 7, one sides of the rotating bearings 7 far, the inside of support frame 1 is close to axis of rotation 601 position and installs power component 9, the inside of support frame 1 is close to 2 one end of chain wheel and is the symmetry and is provided with pinion rack 12, pinion rack 12 is close to the one end of drive gear 6 and is provided with fixed block 11, and the both sides of fixed block 11 are passed through transfer line 10 and are connected with drive gear 6 rotation each other, the center department bottom of ratchet subassembly 3 is provided with telescopic link 14, and the equal fixedly connected with bevel gear 141 in both ends of telescopic link 14, the bottom of telescopic link 14 is rotated and is engaged with rotating assembly 15, one side that telescopic link 14 is close to chain wheel 2 is provided with electric putter 16, one side that electric putter 16.
The power assembly 9 is composed of a driving motor 901, a power gear 902 and a bevel gear 903, the power output end of the driving motor 901 is fixedly connected with the power gear 902, the bevel gear 903 is located at the center of the rotating shaft 601, the bevel gear 903 is meshed with the power gear 902, two sides of the driving motor 901 are fixedly connected with the support frame 1 through iron rods, and the device can be driven to rotate.
Fixed subassembly 13 includes mount 131, connecting plate 132, promotes piece 133 and slide rail 134, and slide rail 134 and the inner wall both sides fixed connection of support frame 1, mount 131 and the mutual joint of chain 4, mount 131 passes through connecting plate 132 and the mutual fixed connection of promotion piece 133 of bottom, and the both sides that promote piece 133 are provided with skewed tooth, can prevent fixed subassembly 13 reverse movement with fixed subassembly 13 joint through pinion rack 12.
The rotating assembly 15 comprises a connecting gear 151, a rotating wheel 152, a supporting frame 153 and a fixed gear 154, the connecting gear 151 is meshed with the bevel gear 141 in a rotating mode, the rotating wheel 152 is arranged on each of two sides of the connecting gear 151, the supporting frame 153 in rotating connection with the telescopic rod 14 is arranged on the top of the rotating wheel 152, the inner wall of the supporting frame 153 is connected with the rotating wheel 152 in a rotating mode through a bearing, the fixed gear 154 is fixedly connected to the top of the supporting frame 153 around the telescopic rod 14, and the fixed gear 154 is meshed with the control assembly 17.
The control assembly 17 is composed of a control rod 171, a rotating knob 172 and a fixed gear ring 173, wherein the outer wall of the control rod 171 is slidably connected with the fixed gear ring 173, and the bottom of the rotating knob 172 is engaged with the fixed gear 154 through the fixed gear ring 173.
The bottom of the power assembly 9 is mutually fixed with the support frame 1 through an iron plate, the two sides of the bottom of the support frame 1, which are close to the power assembly 9, are provided with telescopic support rods 19, and the tops of the telescopic support rods 19 are mutually rotatably connected with the support frame 1 through universal rotating shafts 18.
One side that the pinion rack 12 is close to the support frame 1 runs through the support frame 1 and is provided with pull rod 121, and the one end that the pinion rack 12 was kept away from to pull rod 121 is provided with the pulling button, and the outer wall that pull rod 121 is located support frame 1 inside is to encircle and is provided with the spring.
The working principle is as follows: before ejection, because the bottom of the telescopic rod 14 is provided with the rotating component 15, the rotating component 15 is internally provided with the rotating wheel 152, the rotating component 15 at the bottom can be driven to move by pulling the support frame 1 to be close to one end of the power component 9, so that the equipment can be conveniently pulled without carrying, when the emission direction of the unmanned aerial vehicle needs to be changed, the power component 9 can drive the chain 4 to move reversely, so as to drive the ratchet component 3 to rotate, the telescopic rod 14 is driven to rotate by the ratchet component 3, then the telescopic rod 14 drives the connecting gear 151 at the bottom to rotate by the bevel gear 141, and then the rotating wheel 152 is driven to rotate, so that the rotating component 15 moves, and then the support frame 1 is driven to rotate around the universal rotating shaft 18, when the rotation direction needs to be changed, the control component 17 at the top is driven to rotate the fixed gear 154, the direction can be adjusted randomly, the operation is very convenient, manual carrying is not needed, when the unmanned aerial vehicle is used, the power assembly 9 drives the transmission gear 6 to rotate, then the transmission gear 6 drives the chain wheel 2 to rotate through the driven gear 5, then the fixed assembly 13 is pulled to slide through the chain 4, when the fixed assembly 13 moves to the toothed plate 12, the fixed assembly 13 is separated from the unmanned aerial vehicle, so that the unmanned aerial vehicle takes off, the fixed assembly 13 can be clamped with the toothed plate 12, the fixed assembly 13 is prevented from moving reversely, the transmission rod 10 is driven to move towards two sides through extrusion of the fixed assembly 13 on the fixed block 11, the rotating bearing 7 is further driven to push towards two sides, the transmission gear 6 is further driven to move towards two sides, the transmission gear 6 is separated from the driven gear 5, further the driven gear 5 loses power, further the chain wheel 2 loses power, further the, the convenience of ten minutes, need not manual operation, the separation is realized automatically, and is easy and simple to handle to because rolling bearing 7 is provided with extrusion spring 8 in the one side of keeping away from drive gear 6, then rolling bearing 7 is by transfer line 10 when promoting to both sides, can exert pressure to extrusion spring 8, increases the resistance when fixed subassembly 13 removes then, can make fixed subassembly 13 stop fast, prevents rigid collision, reduces the damage degree.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a launching cradle for unmanned aerial vehicle transmission, including support frame (1), a serial communication port, support frame (1) comprises two fixed plates that are parallel arrangement, the fixed plate both ends are all fixed through the iron set, the one end inner wall of support frame (1) is the symmetry and is provided with chain wheel (2), the inner wall both sides of keeping away from chain wheel (2) one end inside support frame (1) are provided with ratchet subassembly (3), the edge of chain wheel (2) carries out the transmission through chain (4) and ratchet subassembly (3) and is connected, the equal rigid coupling of one side that chain wheel (2) are close to the fixed plate has driven gear (5), the bottom of driven gear (5) all rotates to be meshed has drive gear (6), rotate through axis of rotation (601) and support frame (1) inner wall between drive gear (6) and be connected, one side that driven gear (5) were kept away from to drive gear (6) rotates and, an extrusion spring (8) is rotatably connected to one side of the rotating bearing (7) far away from the transmission gear (6), a power assembly (9) is installed at a position, close to a rotating shaft (601), inside of the support frame (1), toothed plates (12) are symmetrically arranged at one end, close to the chain wheel (2), inside of the support frame (1), one end, close to the transmission gear (6), of each toothed plate (12) is provided with a fixed block (11), two sides of each fixed block (11) are rotatably connected with the transmission gear (6) through transmission rods (10), a fixed assembly (13) which is clamped with the chain (4) is arranged inside of the support frame (1), a telescopic rod (14) is arranged at the bottom of the center of the ratchet wheel assembly (3), bevel gears (141) are fixedly connected to two ends of the telescopic rod (14), a rotating assembly (15) is rotatably meshed with the bottom of the telescopic rod (14), and an electric push rod (16, a control component (17) is arranged on one side of the telescopic rod (14) far away from the electric push rod (16).
2. The ejection rack for unmanned aerial vehicle emission of claim 1, wherein the ratchet assembly (3) comprises a chain ring (301), a fixing ring (302), a shifting rod (303), a rotating rod (304) and an inclined tooth ring (305), the two ends of the rotating rod (304) are rotatably connected with the support frame (1), the fixing ring (302) is fixedly connected to the outer wall of the two ends of the rotating rod (304), the outer wall of the fixing ring (302) is provided with a plurality of shifting rods (303) in a surrounding manner, the chain ring (301) is arranged at the outer wall of the fixing ring (302) in a surrounding manner, the inclined tooth is obliquely arranged on the inner wall of the chain ring (301), the inclined tooth and the shifting rod (303) are mutually clamped, and the center of the rotating rod (304) is rotatably engaged with the bevel gear (141) through the inclined tooth ring (305).
3. The ejection rack for unmanned aerial vehicle launching as claimed in claim 1, wherein the power assembly (9) is composed of a driving motor (901), a power gear (902) and a bevel gear (903), the power gear (902) is fixedly connected to the power output end of the driving motor (901), the bevel gear (903) is located at the center of the rotating shaft (601), the bevel gear (903) and the power gear (902) are meshed with each other, and two sides of the driving motor (901) and the support frame (1) are fixedly connected with each other through iron rods.
4. The ejection rack for unmanned aerial vehicle launching as claimed in claim 1, wherein the fixing component (13) comprises a fixing rack (131), a connecting plate (132), a pushing block (133) and a sliding rail (134), the sliding rail (134) is fixedly connected with two sides of the inner wall of the support rack (1), the fixing rack (131) is mutually clamped with the chain (4), the fixing rack (131) is fixedly connected with the pushing block (133) at the bottom through the connecting plate (132), and oblique teeth are arranged on two sides of the pushing block (133).
5. The ejection rack for unmanned aerial vehicle launching as recited in claim 1, characterized in that the rotating assembly (15) comprises a connecting gear (151), a rotating wheel (152), a supporting frame (153) and a fixed gear (154), the connecting gear (151) is rotatably engaged with the bevel gear (141), the rotating wheel (152) is arranged on each side of the connecting gear (151), the supporting frame (153) rotatably connected with the telescopic rod (14) is arranged on the top of the rotating wheel (152), the inner wall of the supporting frame (153) is rotatably connected with the rotating wheel (152) through a bearing, the fixed gear (154) is fixedly connected to the top of the supporting frame (153) around the telescopic rod (14), and the fixed gear (154) is engaged with the control assembly (17).
6. The ejection rack for unmanned aerial vehicle launching as claimed in claim 1, characterized in that the control assembly (17) is composed of a control rod (171), a rotating knob (172) and a fixed toothed ring (173), the outer wall of the control rod (171) is slidably connected with the fixed toothed ring (173), and the bottom of the rotating knob (172) is meshed with the fixed gear (154) through the fixed toothed ring (173).
7. The ejection rack for unmanned aerial vehicle launching as claimed in claim 1, wherein the bottom of the power assembly (9) is fixed to the support frame (1) through an iron plate, telescopic support rods (19) are arranged on the bottom of the support frame (1) near to two sides of the power assembly (9), and the tops of the telescopic support rods (19) are rotatably connected with the support frame (1) through universal rotating shafts (18).
8. The ejection rack for unmanned aerial vehicle launching as claimed in claim 1, characterized in that one side of the toothed plate (12) close to the support frame (1) is provided with a pull rod (121) throughout the support frame (1), and one end of the pull rod (121) far away from the toothed plate (12) is provided with a pull button, and the outer wall of the pull rod (121) inside the support frame (1) is provided with a spring around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510013.9A CN111762333A (en) | 2020-06-08 | 2020-06-08 | A launching cradle for unmanned aerial vehicle transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010510013.9A CN111762333A (en) | 2020-06-08 | 2020-06-08 | A launching cradle for unmanned aerial vehicle transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111762333A true CN111762333A (en) | 2020-10-13 |
Family
ID=72720206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010510013.9A Withdrawn CN111762333A (en) | 2020-06-08 | 2020-06-08 | A launching cradle for unmanned aerial vehicle transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111762333A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113306738A (en) * | 2021-07-08 | 2021-08-27 | 零重力南京飞机工业有限公司 | Working method of catapult-assisted take-off coaxial folding paddle unmanned aerial vehicle |
| CN113511330A (en) * | 2021-06-02 | 2021-10-19 | 黔南民族师范学院 | Unmanned aerial vehicle flight platform is used in survey and drawing of intelligence geographical remote sensing |
-
2020
- 2020-06-08 CN CN202010510013.9A patent/CN111762333A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113511330A (en) * | 2021-06-02 | 2021-10-19 | 黔南民族师范学院 | Unmanned aerial vehicle flight platform is used in survey and drawing of intelligence geographical remote sensing |
| CN113306738A (en) * | 2021-07-08 | 2021-08-27 | 零重力南京飞机工业有限公司 | Working method of catapult-assisted take-off coaxial folding paddle unmanned aerial vehicle |
| CN113306738B (en) * | 2021-07-08 | 2022-03-15 | 零重力南京飞机工业有限公司 | Working method of catapult-assisted take-off coaxial folding paddle unmanned aerial vehicle |
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| PB01 | Publication | ||
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Application publication date: 20201013 |