CN112340029B - Device for distributing cylinder of airborne unmanned aerial vehicle and casting method thereof - Google Patents
Device for distributing cylinder of airborne unmanned aerial vehicle and casting method thereof Download PDFInfo
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- CN112340029B CN112340029B CN202011260793.2A CN202011260793A CN112340029B CN 112340029 B CN112340029 B CN 112340029B CN 202011260793 A CN202011260793 A CN 202011260793A CN 112340029 B CN112340029 B CN 112340029B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005266 casting Methods 0.000 title claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 37
- 238000007906 compression Methods 0.000 abstract description 37
- 230000007246 mechanism Effects 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 8
- 238000005381 potential energy Methods 0.000 abstract description 7
- 239000002360 explosive Substances 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 230000007480 spreading Effects 0.000 description 6
- 238000003892 spreading Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- PYLLWONICXJARP-UHFFFAOYSA-N manganese silicon Chemical compound [Si].[Mn] PYLLWONICXJARP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D5/00—Aircraft transported by aircraft, e.g. for release or reberthing during flight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U70/00—Launching, take-off or landing arrangements
- B64U70/20—Launching, take-off or landing arrangements for releasing or capturing UAVs in flight by another aircraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Remote Sensing (AREA)
- Toys (AREA)
Abstract
The invention relates to a casting device of a scattering cylinder, in particular to a casting method and device of a scattering cylinder of an airborne unmanned aerial vehicle. The existing airborne unmanned aerial vehicle scattering device mainly adopts electromagnetic type to throw, and has the problems of failure of explosive and high requirement on environment in the long-term storage process. The device mainly comprises a fixing mechanism, an energy storage mechanism, a locking mechanism and an unlocking mechanism; the mechanical throwing is adopted, kinetic energy applied by a person is converted into elastic potential energy of the spiral compression spring through the handle and stored, and when throwing, the electric telescopic rod is controlled by an electric signal to release the elastic potential energy, and finally the elastic potential energy of the spiral compression spring is converted into kinetic energy of the scattering cylinder.
Description
Technical Field
The invention relates to a casting device of a scattering cylinder, in particular to a casting method and device of a scattering cylinder of an airborne unmanned aerial vehicle.
Background
At present, the airborne unmanned aerial vehicle scattering device mainly adopts electromagnetism to throw, and relevant literature also discloses electromagnetic throwing device, and although the device has advantages such as high efficiency, light, operation are simple and convenient, and is nevertheless easily disturbed by electromagnetic wave in the process and leads to unable throwing or unmanned aerial vehicle can't reach initial velocity. And the reliability of the throwing device is lower in extreme environments such as low temperature. Some of the dispensers are used for ejecting by explosion, and have the problems of failure of the explosive and high environmental requirements in the long-term storage process although the dispensers have higher energy.
Disclosure of Invention
In view of the above, the present invention provides a method and apparatus for casting a scattering cylinder of an unmanned aerial vehicle.
In order to solve the problems existing in the prior art, the technical scheme of the invention is as follows: an airborne unmanned aerial vehicle spreads a device of section of thick bamboo, its characterized in that: including two curb plates of relative setting, connect through the plywood between two curb plates, the both sides limit of two curb plates symmetry respectively is provided with a plurality of pairs of semi-circular grooves that are used for placing a section of thick bamboo dress unmanned aerial vehicle, is provided with the energy storage ejecting device that is used for ejecting a section of thick bamboo dress unmanned aerial vehicle between every pair of section of thick bamboo dress unmanned aerial vehicle.
Further, energy storage ejecting device includes the frame of ridge type, the frame of ridge type set up in every to between the barreled unmanned aerial vehicle, both ends set firmly on both sides board, still be provided with the axis of rotation that is parallel with the frame on the both sides board, set firmly pulley and a lock dish the same with the frame concave surface number of ridge type in the axis of rotation, a side of lock dish on be provided with telescopic electromagnetic telescopic link matched with hole, every protruding face of frame of ridge type on vertically be provided with two backplate in parallel, be provided with the leading wheel between two backplates, be provided with the arc ejector pad on the face opposite with the protrusion face respectively, the arc face of arc ejector pad contacts with barreled unmanned aerial vehicle's outer wall, the arc ejector pad pass the frame through the leading wheel winding on the pulley, arc ejector pad and frame between be provided with the spring.
Further, a sleeve is arranged on the ridge-type rack opposite to the arc-shaped pushing block, and a spring is arranged in the sleeve.
Further, the rope is connected with the arc-shaped pushing block through the lock hook.
Further, a rolling bearing is arranged at the contact position of the rotating shaft and the side plate, a handle (14) is fixedly connected to the rotating shaft, and the handle (14) is arranged on the outer side of the side plate.
Further, the telescopic electromagnetic valve is fixedly arranged on the laminate.
Further, the pulley is provided with a U-shaped constraint ring, and the rope is fixedly arranged on the constraint ring.
Further, the guide wheels are provided with 2.
The casting method of the device for spreading the cylinder of the airborne unmanned aerial vehicle is characterized by comprising the following steps of: the casting method comprises the following steps:
filling: the rotating handle drives the rotating shaft to rotate, the pulley and the lock disc rotate along with the rotating shaft, the pulley rotates to wind the rope, at the moment, the arc-shaped pushing block is tensioned by the rope, the lock disc rotates, the telescopic rod of the telescopic electromagnetic valve is clamped into the positioning hole of the lock disc, the lock disc stops rotating, the rope tightens up to realize compression of the spring and locks the spring in an energy storage state, the cylindrical unmanned aerial vehicle is arranged in the semicircular groove, and then the cylindrical unmanned aerial vehicle is fixed on the pushing block by the prestress rope;
and (5) throwing: the electric telescopic rod receives the electric signal and then contracts the telescopic rod, the rotating shaft is in a free rotation state, the push block is not subjected to the tensile force action from the rope, the spring is free to release, the prestressed rope is broken under the action of elasticity, and the release of the cylindrical unmanned aerial vehicle is realized.
Compared with the prior art, the invention has the following advantages:
1. the traction speed of the invention, namely the course speed of the spreader during spreading, is 170-200m/s, and simultaneously, the two-by-two spreading of a plurality of unmanned aerial vehicles of the spreading cylinder is realized without interference, and the spreading speed, namely the speed of the cylindrical unmanned aerial vehicle leaving the spreader is more than or equal to 2m/s;
2. the adaptability is strong: the device is widely applicable to the casting of various airborne unmanned aerial vehicles;
3. the reliability is high: the mechanical energy storage and the release of the helical compression spring are adopted, so that the interference problem caused by electromagnetic interference, low temperature and other extreme environments can be effectively avoided;
4. the flexibility is high: aiming at different design requirements, such as initial speed, quality and the like, the performance design of the spiral compression spring can be selected to meet the requirements;
5. the overhaul is convenient: different helical compression springs have independence, and convenient replacement overhauls.
Description of the drawings:
FIG. 1 is a schematic structural view of a scattering cylinder throwing device of an airborne unmanned aerial vehicle;
FIG. 2 is an onboard unmanned aerial vehicle dispensing cartridge energy storage and locking mechanism;
FIG. 3 is an on-board Unmanned Aerial Vehicle (UAV) dispensing cylinder unlocking mechanism;
FIG. 4 is a frame of an on-board unmanned aerial vehicle dispensing cylinder;
FIG. 5 is a schematic diagram of the connection of the lock collar to the telescoping solenoid valve;
marking: 1. a side plate; 2. a cylindrical unmanned aerial vehicle; 3. a sleeve; 4. a latch hook; 5. an upper plate; 6. A rotating shaft; 7. a pulley; 8. locking a disc; 9. a telescopic electromagnetic valve; 10. a rope; 11. a guide wheel; 12. A rolling bearing; 13. a back plate; 14. a handle; 15. a frame; 16. an arc-shaped pushing block; 17. a lower plate; 18. a helical compression spring; 19. a communication interface; 20. a bolt; 21. a confinement ring.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples:
the invention provides a device for scattering a barrel of an airborne unmanned aerial vehicle, which comprises two side plates 1 which are oppositely arranged, wherein the two side plates 1 are connected through an upper layer plate 5 and a lower layer plate 17, 2 pairs of semicircular grooves for placing the barrel unmanned aerial vehicle 2 are symmetrically arranged on two side edges of the two side plates 1 respectively, and an energy storage pushing device for pushing out the barrel unmanned aerial vehicle 2 is arranged between 2 pairs of barrel unmanned aerial vehicles 2.
The energy storage pushing device comprises a ridged frame 15, the ridged frame 15 is arranged between each pair of cylindrical unmanned aerial vehicle 2, two ends of the ridged frame 15 are fixedly arranged on two side plates 1 through bolts 20, rotating shafts 6 parallel to the frames 15 are further arranged on the two side plates, rolling bearings 12 are arranged at the positions, which are in contact with the side plates, of the rotating shafts 6, handles 14 are fixedly connected to the outer sides of the side plates, pulleys 7 and a locking disc 8 with the same number as the concave surfaces of the ridged frame 15 are fixedly arranged on the rotating shafts 6, holes matched with telescopic rods of the telescopic electromagnetic 9 are formed in one side surface of the locking disc 8, two back plates 13 are longitudinally arranged on each protruding surface of the ridged frame 15 in parallel, 2 guide wheels 11 are arranged between the two back plates 13, arc pushing blocks 16 are respectively arranged on the surfaces opposite to the protruding surfaces, the arc pushing blocks 16 are in contact with the outer walls of the cylindrical unmanned aerial vehicle 2, the arc pushing blocks 16 penetrate through the frames 15 to wind around the pulleys 7 through the guide wheels 11, a U-shaped constraining ring 21 is arranged on the pulleys 7, and a compression sleeve is arranged on the corresponding to the ridged frame 15, and the compression sleeve is arranged on the U-shaped sleeve 21.
The rope 10 is connected with the arc-shaped pushing block 16 through the lock hook 4.
The number of the telescopic electromagnetic valves 9 is 2, and the telescopic electromagnetic valves are respectively and fixedly arranged on the upper layer plate and the lower layer plate.
The telescopic electromagnetic valve 9 selects a JN125 miniature electric telescopic rod, and rated voltage, stroke, speed and limit load are respectively 24V, 20mm/s and 2000N.
The casting method of the device for spreading the cylinder of the airborne unmanned aerial vehicle is characterized by comprising the following steps of: the casting method comprises the following steps:
filling: the rotating handle 14 drives the rotating shaft 6 to rotate, the pulley 7 and the lock disc 8 rotate along with the rotating shaft 6, the pulley 7 rotates to wind the rope 10, at the moment, the arc-shaped pushing block 16 is tensioned by the rope 10, the lock disc 8 rotates, a telescopic rod of the telescopic electromagnetic valve 9 is clamped into a positioning hole of the lock disc 8, the lock disc 8 stops rotating, the rope 10 is tightened to compress the spring 18 and is locked in an energy storage state, the barreled unmanned aerial vehicle 2 is arranged in a semicircular groove, and then the barreled unmanned aerial vehicle 2 is fixed on the pushing block 16 by a prestress rope;
and (5) throwing: the electric telescopic rod 9 is contracted after receiving the electric signal, the rotating shaft 6 rotates under the action of moment immediately, the prestress of the rope 10 is relieved, the push block 16 moves transversely under the thrust of the spring 18, the spring 18 is released freely, and the prestress rope is pulled off under the action of elasticity, so that the release of the cylindrical unmanned aerial vehicle 2 is realized.
In the embodiment, 4 cylindrical unmanned aerial vehicles are filled in total; the cylindrical unmanned aerial vehicle is reliably connected with the spreader and safely released; the cylindrical unmanned aerial vehicle cannot be in emission collision with the self machine of the spreader and other cylindrical unmanned aerial vehicles after being separated from the spreader; the mass M of the cylindrical unmanned aerial vehicle is less than or equal to 17kg; the casting mode is as follows: side polishing; projection interval: 150ms; traction speed: 170-200m/s; projectile velocity: and is more than or equal to 2m/s.
The invention comprises a fixing mechanism, an energy storage mechanism, a locking mechanism and an unlocking mechanism; the mechanical throwing is adopted, kinetic energy applied by a person is converted into elastic potential energy of the spiral compression spring through the handle and stored, when throwing, the electric signal is used for controlling the telescopic electromagnetic valve to release the elastic potential energy, and finally the elastic potential energy of the spiral compression spring is converted into kinetic energy of the scattering cylinder.
The energy storage mechanism mainly relies on the rotation of the handle to realize the energy storage of the helical compression spring.
The prestress rope realizes release of the cylindrical unmanned aerial vehicle due to stress concentration in the spiral compression spring release process, and can effectively solve the problem of fixation of the cylindrical unmanned aerial vehicle.
The telescopic electromagnetic valve 9 and the lock disc 8 are used for controlling the locking and releasing of the helical compression spring in the process of energy storage and releasing.
The system is provided with a certain number of communication interfaces 19 reserved at the side plates and does not interfere with other mechanisms.
The technical requirements of the invention are as follows:
4 cylindrical unmanned aerial vehicles are filled in total; the cylindrical unmanned aerial vehicle is reliably connected with the spreader and safely released; the cylindrical unmanned aerial vehicle cannot be in emission collision with the self machine of the spreader and other cylindrical unmanned aerial vehicles after being separated from the spreader; the mass M of the cylindrical unmanned aerial vehicle is less than or equal to 17kg; the casting mode is as follows: side polishing; projection interval: 150ms; traction speed: 170-200m/s; projectile velocity: and is more than or equal to 2m/s.
In order to meet the technical requirements, the feasibility of the dispenser and the performance of the helical compression spring are designed as follows:
1. confirm that the casting condition (m=17 kg, v) 1 =2m/s) energy demonstration
According to the law of conservation of energy: e (E) P ＝E K Obtaining:
a cylinder is pushed by 5 helical compression springs, and the pushing stroke is initially set to be 0.02m, so that the stiffness coefficient of the helical compression springs is as follows:
the maximum working thrust of the helical compression spring is as follows: f=kx=34000×0.02=680N
The spiral compression spring is used for pushing and shooting, the acting process of the spiral compression spring is a variable force, so that the average force is obtained, and the acceleration of the cylinder is
Time taken to complete the push:
and (3) completing pushing and ejecting displacement:
2. spiral compression spring design demonstration
Determining the parameters associated with a helical compression spring requires that the following conditions be met: the helical compression spring rate k=34N/mm, the working stroke is x2=20 mm, and the maximum thrust is f2=680N.
The calculation process is as follows:
according to the load property of the helical compression spring, the silicon-manganese steel 60Si2MnA is selected.
Spiral compression spring pitch diameter: initial setting D 2 ＝30mm
Allowable stress: [ tau ]]＝64kgf/mm 2
Maximum working load: f2 =680 n=69.3 kgf
KC3 value:
the winding ratio is as follows: look-up table to obtain c=6.4
Helical compression spring diameter:
the adopted winding ratio is as follows:
helical compression spring outer diameter: d=d 2 +d＝30+5＝35
Limit load:
pressing and loading: f (F) 3 ＝1.1F j Take f=95.3 3 ＝95kgf
Initial installation load: f (F) 1 ＝0.2F j Take f=17.3 1 ＝18kgf
Helical compression spring rate:
deformation amount:
effective number of turns:
support turns: n is n 2 ＝1.5
Total number of turns: n is n 1 ＝n+n 2 ＝8
Press and height: h b ＝(n 1 -0.5) d=37.5 mm < 40mm, meeting space compression requirements
Free height: h 0 ＝H b +X 3 ＝64.6mm
Helical compression spring pitch:
ratio of height to diameter:the two ends are fixed, so that the device cannot be unstable.
The helical compression spring parameters are shown in the following table:
3. demonstration of energy storage
The energy storage is realized by a labor-saving mechanism.
The maximum force required to compress a helical compression spring device of a cartridge is: fdrum=5f2=5x680=3400n, the force required to compress the energy storage of 2 drums simultaneously is: ftotal=2Fbarrel=2X3400=6800N, and a 50-time labor-saving mechanism is adopted, 136N force is needed, and energy storage can be achieved manually.
The specific implementation process after the demonstration is completed is as follows:
1. tightening helical compression spring energy storage
The upper layer handle is rocked to enable the shaft to rotate for 30 degrees, the rotation of the shaft drives the rigid rope to tighten up in the pulley, the spiral compression spring is compressed by the pushing block, and when the preset position is reached, the electric telescopic rod is ejected out and clamped on the lock disc, so that energy storage of the spiral compression spring is achieved. The lower layer is the same as the upper layer.
2. Unmanned aerial vehicle
And placing the horizontally opposite unmanned aerial vehicle at a corresponding position of the fixing mechanism, and fixing the cylindrical unmanned aerial vehicle on the side plate by using a pre-stress rope.
3. Unmanned plane
When the unmanned aerial vehicle needs to be thrown, when the two unmanned aerial vehicles at the lower layer need to be thrown, a signal is sent to the electric lifting and shrinking rod, the electric lifting and shrinking rod is retracted, the elastic potential energy of the spiral compression spring drives the shaft to rotate, the rigid rope is released from the pulley, and meanwhile, the spiral compression spring and the pushing block enable the cylindrical unmanned aerial vehicle to move along a preset track, so that the throwing is completed. Meanwhile, the unmanned aerial vehicle of the upper layer is cast in the same way within 150ms of the unmanned aerial vehicle of the lower layer.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, and it should be pointed out that modifications and variations of the invention as would be apparent to those skilled in the art without departing from the principles of the invention.
Claims (8)
1. An airborne unmanned aerial vehicle spreads a device of section of thick bamboo, its characterized in that: the device comprises two side plates (1) which are oppositely arranged, wherein the two side plates (1) are connected through a laminate, a plurality of pairs of semicircular grooves for accommodating the cylindrical unmanned aerial vehicle (2) are symmetrically arranged on two side edges of the two side plates (1), and an energy storage pushing device for pushing out the cylindrical unmanned aerial vehicle (2) is arranged between each pair of cylindrical unmanned aerial vehicles (2);
the energy storage ejecting device comprises a ridged frame (15), the ridged frame (15) is arranged between each pair of cylindrical unmanned aerial vehicle (2), two ends of the ridged frame are fixedly arranged on two side plates (1), a rotating shaft (6) parallel to the frame (15) is further arranged on the two side plates, pulleys (7) and a locking disc (8) which are the same as the ridged frame (15) in concave number are fixedly arranged on the rotating shaft (6), a hole matched with a telescopic rod of a telescopic electromagnetic valve (9) is formed in one side surface of the locking disc (8), two back plates (13) are longitudinally arranged on each protruding surface of the ridged frame (15) in parallel, guide wheels (11) are arranged between the two back plates (13), arc-shaped pushing blocks (16) are respectively arranged on surfaces opposite to the protruding surfaces, the arc-shaped surfaces of the arc-shaped pushing blocks (16) are contacted with the outer walls of the cylindrical unmanned aerial vehicle (2), the arc-shaped pushing blocks (16) penetrate through the guide wheels (15) to wind the pulleys (7) through ropes (10), and the arc-shaped pushing blocks (16) are arranged between the arc-shaped pushing blocks (18) and the frame (7).
2. The apparatus for distributing barrels of an airborne unmanned aerial vehicle of claim 1, wherein: the ridge-shaped frame (15) opposite to the arc-shaped pushing block (16) is provided with a sleeve (3), and a spring (18) is arranged in the sleeve (3).
3. The apparatus for distributing barrels of an on-board unmanned aerial vehicle according to claim 1 or 2, wherein: the rope (10) is connected with the arc-shaped pushing block (16) through the lock hook (4).
4. A device for dispensing cartridges on an unmanned aerial vehicle as claimed in claim 3, wherein: the rolling bearing (12) is arranged at the contact position of the rotating shaft and the side plate, the handle (14) is fixedly connected to the rotating shaft, and the handle (14) is arranged at the outer side of the side plate.
5. The apparatus for distributing barrels of an unmanned aerial vehicle of claim 4, wherein: the telescopic electromagnetic valve (9) is fixedly arranged on the laminate.
6. The apparatus for distributing barrels of an unmanned aerial vehicle of claim 5, wherein: the pulley (7) is provided with a U-shaped constraint ring (21), and the rope (10) is fixedly arranged on the constraint ring (21).
7. The apparatus for distributing barrels of an unmanned aerial vehicle of claim 6, wherein: the guide wheels (11) are provided with 2 guide wheels.
8. The method of casting a device for distributing barrels in an unmanned aerial vehicle according to claim 1, wherein: the casting method comprises the following steps:
filling: the rotating handle (14) drives the rotating shaft (6) to rotate, the pulley (7) and the lock disc (8) rotate along with the rotating shaft (6), the pulley (7) rotates to wind the rope (10), at the moment, the arc-shaped push block (16) is tensioned by the rope (10), the lock disc (8) rotates, a telescopic rod of the telescopic electromagnetic valve (9) is clamped into a positioning hole of the lock disc (8), the lock disc (8) stops rotating, the rope (10) is tightened to compress the spring (18) and is locked in an energy storage state, the cylindrical unmanned aerial vehicle (2) is installed in the semicircular groove, and then the cylindrical unmanned aerial vehicle (2) is fixed on the push block (16) by a prestress rope;
and (5) throwing: the electric telescopic rod (9) contracts the telescopic rod after receiving the electric signal, the rotating shaft (6) is in a free rotation state, the push block (16) is not subjected to the tensile force action from the rope (10), the spring (18) is released freely, and the pre-stressing rope is broken under the action of elasticity, so that the release of the cylindrical unmanned aerial vehicle (2) is realized.
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