CN112429214A - Carbon fiber unmanned aerial vehicle protector - Google Patents
Carbon fiber unmanned aerial vehicle protector Download PDFInfo
- Publication number
- CN112429214A CN112429214A CN202011522400.0A CN202011522400A CN112429214A CN 112429214 A CN112429214 A CN 112429214A CN 202011522400 A CN202011522400 A CN 202011522400A CN 112429214 A CN112429214 A CN 112429214A
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- China
- Prior art keywords
- fixedly connected
- unmanned aerial
- aerial vehicle
- carbon fiber
- fuselage
- 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.)
- Pending
Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 15
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 230000001012 protector Effects 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 7
- 230000002940 repellent Effects 0.000 claims description 6
- 239000005871 repellent Substances 0.000 claims description 6
- 230000001846 repelling effect Effects 0.000 abstract description 7
- 210000000653 nervous system Anatomy 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/20—Rotorcraft characterised by having shrouded rotors, e.g. flying platforms
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
- A01M29/18—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves using ultrasonic signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
- B64C25/64—Spring shock-absorbers; Springs using rubber or like elements
-
- 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
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
-
- 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
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- 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
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D2045/0095—Devices specially adapted to avoid bird strike
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Birds (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a carbon fiber unmanned aerial vehicle protection device which comprises a machine body, wherein supporting arms are fixedly connected to four corners of the machine body, one ends of the four supporting arms are fixedly connected to protection shells at the positions of the upper surfaces, rotating motors are fixedly installed on the inner sides of the four protection shells, and transmission ends of the four rotating motors are fixedly connected with helical blades. When the aircraft body descends, the spring is compressed through the sliding rod, so that the spring is in a compressed state, the aircraft body can be effectively buffered, the impact force generated on the aircraft body is reduced, the service life of the aircraft body is prolonged, the practicability is improved, the bird repelling device is opened during flight, the ultrasonic wave emitted by the ultrasonic module can stimulate the nervous system of birds, so that the birds are far away from the coverage range of the ultrasonic wave, the aircraft body is prevented from colliding with the birds in flight and even being attacked by the birds, the damage to the aircraft body is avoided, the service life is shortened, and the practicability is improved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle protection equipment, in particular to a carbon fiber unmanned aerial vehicle protection device.
Background
Unmanned aerial vehicle: the unmanned plane is called unmanned plane for short, and is called UAV in English, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. At present, unmanned aerial vehicles are widely applied in the fields of aerial photography, agriculture, plant protection, self-shooting, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, movie and television shooting and the like. Therefore, it is also very important to control unmanned aerial vehicle.
However, the existing unmanned aerial vehicle is mainly made of carbon fiber composite materials, when the unmanned aerial vehicle encounters a fault in the flying process or the electric power is insufficient, the unmanned aerial vehicle faces the danger of free falling, and when the unmanned aerial vehicle falls from the high altitude, the unmanned aerial vehicle is easy to damage and scratch the surface of the composite material.
Disclosure of Invention
The invention aims to provide a carbon fiber unmanned aerial vehicle protection device, which aims to solve the problems that the existing unmanned aerial vehicle is mostly made of carbon fiber composite materials in the background technology, the unmanned aerial vehicle is in danger of free falling when the unmanned aerial vehicle encounters faults or insufficient electric power in the flying process, and when the unmanned aerial vehicle falls from high altitude, the unmanned aerial vehicle is easy to damage and scratch the surface of the composite materials.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a carbon fiber unmanned aerial vehicle protector, includes the fuselage, the equal fixedly connected with support arm in four edges of fuselage, the one end of four support arms are located the equal fixedly connected with protecting crust of upper surface position department, and the equal fixed mounting in inboard of four protecting crust has the rotating electrical machines, and the equal fixedly connected with helical blade of transmission end of four rotating electrical machines, the lower fixed surface of fuselage is connected with buffer, buffer's bottom fixedly connected with base, the outside fixed surface of fuselage is connected with bird repellent device, the last fixed surface of fuselage is connected with the connecting rod, and the top fixedly connected with anticollision piece of connecting rod.
Preferably, the buffering device comprises a first barrel, a sliding rod is movably connected to the inner side of the first barrel, a spring is fixedly connected to one end of the sliding rod, and a limiting block is fixedly connected to the upper portion of the spring and located at one end of the sliding rod.
Preferably, the bird repelling device comprises a second cylinder, an ultrasonic module is fixedly connected to the inner side of the second cylinder, a loudspeaker is fixedly connected to the left side of the ultrasonic module on the inner side of the second cylinder, and the ultrasonic module is connected with the loudspeaker through a wire.
Preferably, four protecting crust all are circular structure, and the equal fixedly connected with protection network of the upper surface of four protecting crust, four protecting crust all adopt a component for the PP material.
Preferably, the base is made of a PP material, the lower surface of the base is fixedly connected with a non-slip mat, and the non-slip mat is made of a rubber material.
Preferably, the diameter of the anti-collision block is larger than that of the machine body, and the anti-collision block is a component made of sponge.
Compared with the prior art, the invention has the beneficial effects that: when the aircraft body descends, the spring is compressed through the sliding rod, so that the spring is in a compressed state, the aircraft body can be effectively buffered, the impact force generated on the aircraft body is reduced, the service life of the aircraft body is prolonged, the practicability is improved, when the aircraft body flies, the bird repelling device is opened, the ultrasonic wave emitted by the ultrasonic module can stimulate the nervous system of birds, so that the birds are far away from the coverage range of the ultrasonic wave, the aircraft body is prevented from colliding with the birds in flight and even being attacked by the birds to cause damage to the aircraft body, the service life is reduced, the practicability is improved, when the aircraft body flies, the protective net can reduce sundries and dust entering the inner side of the protective shell, so that the sundries stop the rotating motor, even cause the aircraft body to fall, the service life is reduced, the practicability is improved, when the anti-slip mat is used for increasing the friction force of the base, the stability, the anti-collision device has the advantages that the situation that the machine body inclines when descending is avoided, the protection shell is abraded, the practicability is improved, when the machine body falls, the anti-collision block can effectively protect the machine body, the impact force on the machine body is reduced, and the safety is improved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an internal structural view of the buffering device shown in FIG. 1 according to the present invention;
FIG. 3 is an internal structural view of the protective shell of FIG. 1 according to the present invention;
fig. 4 is an internal structure view of the bird repelling device in fig. 1.
In the figure: 1. a body; 2. a support arm; 3. a protective shell; 4. a buffer device; 5. a base; 6. a bird repelling device; 7. an anti-collision block; 8. a first cylinder; 9. a slide bar; 10. a spring; 11. a rotating electric machine; 12. a helical blade; 13. a second cylinder; 14. an ultrasonic module; 15. a loudspeaker.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a carbon fiber unmanned aerial vehicle protector, including fuselage 1, the equal fixedly connected with support arm 2 in four edges of fuselage 1, the one end of four support arms 2 is located the equal fixedly connected with protecting crust of upper surface position department 3, the inboard equal fixed mounting of four protecting crust 3 has rotating electrical machines 11, the equal fixedly connected with helical blade 12 of transmission end of four rotating electrical machines 11, the lower fixed surface of fuselage 1 is connected with buffer 4, buffer 4's bottom fixedly connected with base 5, the outside fixed surface of fuselage 1 is connected with bird repellent device 6, the last fixed surface of fuselage 1 is connected with the connecting rod, and the top fixedly connected with anticollision piece 7 of connecting rod.
In the invention: buffer 4 includes first barrel 8, the inboard swing joint of first barrel 8 has slide bar 9, the one end fixedly connected with spring 10 of slide bar 9, the one end of slide bar 9 is located the top fixedly connected with stopper of spring 10, when fuselage 1 descends, compresses spring 10 through slide bar 9, makes spring 10 be compression state, can carry out effectual buffering to fuselage 1, reduces the impact force to fuselage 1 production, improves the life of fuselage 1, has improved the practicality.
In the invention: bird repellent device 6 includes second barrel 13, the inboard fixedly connected with ultrasonic module 14 of second barrel 13, the inboard left side fixedly connected with speaker 15 that is located ultrasonic module 14 of second barrel 13, be connected through the wire between ultrasonic module 14 and the speaker 15, when flying, open bird repellent device 6, the ultrasonic wave that sends through ultrasonic module 14 can stimulate the nervous system of birds, make birds keep away from ultrasonic coverage, avoided fuselage 1 to collide with birds in the flight, attacked by birds even, cause fuselage 1 to damage, service life is reduced, thereby the practicality has been improved.
In the invention: four protecting crust 3 all are round structure, the equal fixedly connected with protection network in upper surface of four protecting crust 3, and four protecting crust 3 all adopt one kind to be the component of PP material, and when flying, the protection network can reduce debris, dust and get into protecting crust 3 inboardly, leads to debris to cause the shut down to rotating electrical machines 11, makes the fuselage 1 condition of falling take place even, has reduced life, has improved the practicality.
In the invention: the base 5 adopts a component for the PP material, and the lower fixed surface of base 5 is connected with the slipmat, and the slipmat adopts a component for the rubber material, and when descending, the slipmat can increase base 5's frictional force, improves fuselage 1's stability, avoids fuselage 1 when descending, takes place the slope condition, produces wearing and tearing to protecting crust 3 to the practicality has been improved.
In the invention: the diameter of the anti-collision block 7 is larger than that of the machine body 1, the anti-collision block 7 is made of a component made of sponge, when the machine body 1 falls, the anti-collision block 7 can effectively protect the machine body 1, the impact force on the machine body 1 is reduced, and the safety is improved.
The working principle is as follows: firstly, when the machine body 1 descends, the spring 10 is compressed through the sliding rod 9, the spring 10 is in a compressed state, the machine body 1 can be effectively buffered, the impact force generated on the machine body 1 is reduced, the service life of the machine body 1 is prolonged, the practicability is improved, when the aircraft flies, the bird repelling device 6 is opened, the ultrasonic wave emitted by the ultrasonic wave module 14 can stimulate the nervous system of birds, the birds are kept away from the coverage range of the ultrasonic wave, the machine body 1 is prevented from colliding with the birds in flight and even being attacked by the birds to cause damage to the machine body 1, the service life is reduced, the practicability is improved, when the aircraft flies, the protective net can reduce sundries and dust from entering the inner side of the protective shell 3, the sundries cause the shutdown of the rotating motor 11, even the machine body 1 falls, the service life is reduced, the practicability is improved, when the aircraft descends, the anti-slip mat can increase the friction force of the, improve the stability of fuselage 1, avoid fuselage 1 when descending, the condition of taking place to incline, produce wearing and tearing to protecting crust 3 to improve the practicality, when fuselage 1 takes place to fall, anticollision piece 7 can carry out effectual protection to fuselage 1, reduces the impact force to fuselage 1, has improved the security.
In summary, the following steps: when the aircraft body 1 descends, the spring 10 is compressed through the sliding rod 9, the spring 10 is in a compressed state, the aircraft body 1 can be effectively buffered, the impact force generated on the aircraft body 1 is reduced, the service life of the aircraft body 1 is prolonged, the practicability is improved, when the aircraft flies, the bird repelling device 6 is opened, the ultrasonic wave emitted by the ultrasonic wave module 14 can stimulate the nervous system of birds, the birds are far away from the coverage range of the ultrasonic wave, the aircraft body 1 is prevented from colliding with the birds in flight and even being attacked by the birds to cause damage to the aircraft body 1, the service life is reduced, the practicability is improved, when the aircraft flies, the protective net can reduce sundries and dust from entering the inner side of the protective shell 3, the sundries cause the shutdown of the rotating motor 11, even the aircraft body 1 falls, the service life is reduced, the practicability is improved, when the aircraft descends, the anti-skid pad can increase the friction force of the base 5, improve the stability of fuselage 1, avoid fuselage 1 when descending, the condition of taking place to incline, produce wearing and tearing to protecting crust 3 to improve the practicality, when fuselage 1 takes place to fall, anticollision piece 7 can carry out effectual protection to fuselage 1, reduces the impact force to fuselage 1, has improved the security.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a carbon fiber unmanned aerial vehicle protector, includes fuselage (1), its characterized in that: the all fixedly connected with support arm (2) of four edges of fuselage (1), the one end of four support arms (2) is located the equal fixedly connected with protecting crust (3) of upper surface position department, and the inboard equal fixed mounting of four protecting crust (3) has rotating electrical machines (11), and the equal fixedly connected with helical blade (12) of transmission end of four rotating electrical machines (11), the lower fixed surface of fuselage (1) is connected with buffer (4), the bottom fixedly connected with base (5) of buffer (4), the outside fixed surface of fuselage (1) is connected with bird repellent device (6), the last fixed surface of fuselage (1) is connected with the connecting rod, and the top fixedly connected with anticollision piece (7) of connecting rod.
2. The carbon fiber unmanned aerial vehicle protector of claim 1, characterized in that: buffer (4) include first barrel (8), the inboard swing joint of first barrel (8) has slide bar (9), the one end fixedly connected with spring (10) of slide bar (9), the one end of slide bar (9) is located the top fixedly connected with stopper of spring (10).
3. The carbon fiber unmanned aerial vehicle protector of claim 1, characterized in that: bird repellent device (6) include second barrel (13), inboard fixedly connected with ultrasonic wave module (14) of second barrel (13), the inboard left side fixedly connected with speaker (15) that is located ultrasonic wave module (14) of second barrel (13), be connected through the wire between ultrasonic wave module (14) and speaker (15).
4. The carbon fiber unmanned aerial vehicle protector of claim 1, characterized in that: four protecting crust (3) all are circular structure, and the equal fixedly connected with protection network of upper surface of four protecting crust (3), four protecting crust (3) all adopt a component for the PP material.
5. The carbon fiber unmanned aerial vehicle protector of claim 1, characterized in that: the base (5) is made of a PP component, the lower surface of the base (5) is fixedly connected with a non-slip mat, and the non-slip mat is made of a rubber component.
6. The carbon fiber unmanned aerial vehicle protector of claim 1, characterized in that: the diameter of the anti-collision block (7) is larger than that of the machine body (1), and the anti-collision block (7) is made of a component made of sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011522400.0A CN112429214A (en) | 2020-12-22 | 2020-12-22 | Carbon fiber unmanned aerial vehicle protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011522400.0A CN112429214A (en) | 2020-12-22 | 2020-12-22 | Carbon fiber unmanned aerial vehicle protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112429214A true CN112429214A (en) | 2021-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011522400.0A Pending CN112429214A (en) | 2020-12-22 | 2020-12-22 | Carbon fiber unmanned aerial vehicle protector |
Country Status (1)
| Country | Link |
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| CN (1) | CN112429214A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200000590A1 (en) * | 2022-05-24 | 2023-11-24 | Giovanni Granati | Drone with impact-resistant exoskeleton for multipurpose use |
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| CN207151726U (en) * | 2017-09-04 | 2018-03-30 | 刘先余 | A kind of agriculture and forestry unmanned plane chemical spraying device |
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| CN209337011U (en) * | 2018-11-12 | 2019-09-03 | 北京清环宇航科技有限公司 | A kind of protection mechanism of unmanned plane |
| CN210971518U (en) * | 2019-09-11 | 2020-07-10 | 张辉 | Farming plant protection unmanned aerial vehicle |
| CN211076323U (en) * | 2019-11-04 | 2020-07-24 | 深圳市新木木科技有限公司 | Remote control unmanned aerial vehicle fuselage structure |
-
2020
- 2020-12-22 CN CN202011522400.0A patent/CN112429214A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070221779A1 (en) * | 2004-07-07 | 2007-09-27 | Kaidou Ikeda | Aircraft Produced by Fixing Rapid Airflow Generation Wind Direction Changing Device Directly and Firmly to Side Surface or Wall Thereof |
| CN207151726U (en) * | 2017-09-04 | 2018-03-30 | 刘先余 | A kind of agriculture and forestry unmanned plane chemical spraying device |
| CN109050907A (en) * | 2018-09-21 | 2018-12-21 | 南通志乐新材料有限公司 | A kind of environmental protection express delivery unmanned plane |
| CN209337011U (en) * | 2018-11-12 | 2019-09-03 | 北京清环宇航科技有限公司 | A kind of protection mechanism of unmanned plane |
| CN109927895A (en) * | 2019-03-29 | 2019-06-25 | 芜湖市极星航空科技有限公司 | A kind of unmanned plane protects anticollision device, collision-prevention device comprehensively |
| CN210971518U (en) * | 2019-09-11 | 2020-07-10 | 张辉 | Farming plant protection unmanned aerial vehicle |
| CN211076323U (en) * | 2019-11-04 | 2020-07-24 | 深圳市新木木科技有限公司 | Remote control unmanned aerial vehicle fuselage structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202200000590A1 (en) * | 2022-05-24 | 2023-11-24 | Giovanni Granati | Drone with impact-resistant exoskeleton for multipurpose use |
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