CN110861769A - Unmanned aerial vehicle prevents falling system - Google Patents
Unmanned aerial vehicle prevents falling system Download PDFInfo
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- CN110861769A CN110861769A CN201911222896.7A CN201911222896A CN110861769A CN 110861769 A CN110861769 A CN 110861769A CN 201911222896 A CN201911222896 A CN 201911222896A CN 110861769 A CN110861769 A CN 110861769A
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- 241000883990 Flabellum Species 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 9
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/006—Safety devices
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- 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
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
- B64C25/36—Arrangements or adaptations of wheels, tyres or axles in general
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention belongs to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle anti-falling system, aiming at the problem that the stability of the unmanned aerial vehicle is affected because the prior unmanned aerial vehicle is driven by four fan blades and the fan blades are easy to collide with other objects because of no protection and anti-falling system at the fan blades, the invention provides a scheme comprising a control block, wherein the bottom of the control block is fixedly provided with a mounting column, two sides of the mounting column are respectively and slidably provided with a sliding plate, the bottom of the sliding plate is fixedly provided with two sleeve seats which are symmetrically arranged, the bottoms of the two sleeve seats are respectively and slidably provided with a moving rod, the bottoms of the two moving rods are respectively provided with a falling wheel, and the bottoms of the four falling wheels are respectively positioned above the bottom of the mounting column. Stability of unmanned aerial vehicle has been improved greatly.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle anti-falling system.
Background
Unmanned Aircraft (Pilotless Aircraft), colloquially known as: unmanned planes, unmanned aerial vehicles, unmanned combat airplanes, and bee-type machines; the airplane is a wide range of remote control aircrafts without the need of a pilot to board and pilot, and is generally in particular to an unmanned reconnaissance airplane of the military.
The existing unmanned aerial vehicle is driven by means of four fan blades, the fan blades are not protected and prevented from falling down, so that the fan blades are extremely easy to collide with other objects, the stability of the unmanned aerial vehicle is influenced, and therefore the unmanned aerial vehicle anti-falling system is provided for solving the problem.
Disclosure of Invention
Based on the technical problems that the unmanned aerial vehicle is driven by four fan blades and a protection and anti-falling system is not arranged at the fan blades, so that the fan blades are easy to collide with other objects and the stability of the unmanned aerial vehicle is influenced, the invention provides the anti-falling system for the unmanned aerial vehicle.
The invention provides an unmanned aerial vehicle anti-falling system which comprises a control block, wherein a mounting column is fixedly arranged at the bottom of the control block, sliding plates are respectively and slidably arranged at two sides of the mounting column, two sleeve seats which are symmetrically arranged are fixedly arranged at the bottom of the sliding plates, moving rods are respectively and slidably arranged at the bottoms of the two sleeve seats, a ground wheel is respectively arranged at the bottoms of the two moving rods, the bottoms of the four ground wheels are respectively positioned above the bottom of the mounting column, a plurality of mounting blocks which are annularly arranged are fixedly arranged at the outer side of the control block, a fixing plate is respectively and fixedly arranged at one side of each two adjacent mounting blocks, a clamping plate is respectively and fixedly arranged at one side of the plurality of fixing plates, the same lifting assembly is fixedly arranged at one side of the two clamping plates close to each other, the four lifting assemblies are respectively arranged, the same mounting plate is, the mounting panel is provided with four, and four mounting panels are annular equidistance and arrange, slidable mounting has two buffer beam that the symmetry set up on the inside of one side of cavity, fixed mounting has same stand on the inside of top inner wall and the bottom of cavity, the outside fixed mounting that the central point of stand put has the horizontal piece, the outside slidable mounting of horizontal piece has two first sliders and two second sliders that the symmetry set up, and two first sliders and two second sliders that are located the top are connected with two buffer beam transmissions respectively with two first sliders and two second sliders that are located the below.
Preferably, the equal fixed mounting in both sides of erection column has the cylinder, the bottom of cylinder is provided with a plurality of cylinder output shafts, the bottom of cylinder output shaft all with the top fixed connection of slide, can reach the purpose that the wheel goes up and down that falls to the ground, the space that occupies is little, the practicality is high.
Preferably, the spout has been seted up at the top of cover seat, slidable mounting has same diaphragm on the both sides inner wall of spout, the top of carriage release lever extend to the inside of spout and with the bottom fixed connection of diaphragm, carriage release lever and diaphragm can slide in the inside of spout, play the purpose of buffering energy-absorbing.
Preferably, fixed mounting has buffer spring on the top inner wall of spout, buffer spring's bottom and the top fixed connection of diaphragm, equal fixed mounting has the stopper on the both sides inner wall of spout, and two stoppers all are located the below of diaphragm, can produce the impact force when falling to the ground wheel and ground contact, and buffer spring can effectually carry out the energy-absorbing.
Preferably, the lift-off component includes fixed mounting drive motor on two splint inner walls, be equipped with the PLC control panel on the control block, the top fixed mounting of drive motor output shaft has the carousel, and the top fixed mounting of carousel has the mounting disc, and the outside fixed mounting of mounting disc has two flabellums that the symmetry set up, and four drive motor all with PLC control panel electric connection, two cylinders all with PLC control panel electric connection, four flabellum equidistance are arranged, can the effectual stability that improves unmanned aerial vehicle flight.
Preferably, one side of two buffer rods rotates respectively and installs first effect pole and second effect pole, and the one side that is located the first effect pole of top and second effect pole and keeps away from the buffer rod rotates respectively with the second slider and the first slider that are located the top and is connected, can cushion impact force when providing the effort for the restoration of arc.
Preferably, the top of crosspiece and the inside equal fixed mounting in top of cavity have the spring, and the one end that two springs are close to each other all around establishing the outside at the stand with one side fixed connection that first slider and second slider kept away from each other respectively, two springs, the spring is provided with four altogether, can effectually carry out the energy-absorbing to the impulsive force, prevents that unmanned aerial vehicle from breaking.
Preferably, the top fixed mounting of mounting panel has the overhead gage, and the overhead gage is the arc setting, the top of overhead gage extends to directly over the flabellum of homonymy, and the top region of protection flabellum can not contact with other objects.
The invention has the beneficial effects that: the four arc plates are arranged outside the fan blades, the upper part of the fan blades is protected by the arranged upper baffle plate, the purpose that other objects cannot contact the fan blades is achieved, the stability of the fan blades during rotation is improved, the models of the driving motor and the air cylinder can be selected according to actual requirements, the storage battery is arranged inside the control block, the driving motor, the air cylinder and PLC control are powered by the storage battery, the air cylinder can be controlled to start after the PLC receives signals, the side surfaces of the fan blades are protected by the arranged arc plates, the part which firstly contacts other objects is the arc plate, the arc plate can act as two buffer rods to transversely move after being impacted, the first action rod and the second action rod are arranged to provide acting force for the longitudinal movement for the first sliding block and the second sliding block, and the first sliding block and the second sliding block can extrude the spring to deform, the purpose of absorbing acting force is achieved, the unmanned aerial vehicle is prevented from being damaged due to overlarge impact, when the unmanned aerial vehicle needs to land, the PLC control panel controls the two cylinders to be started, the two sliding plates move downwards under the action of the two cylinders, the four land wheels move to the positions below the mounting column and are firstly contacted with the ground, and the purpose of buffering the land impact is achieved;
in order to solve the problem of poor flight stability of the unmanned aerial vehicle, four lift-off assemblies which are arranged at equal intervals are fixedly arranged on the outer side of the control block, so that the aim of balancing the flying stress of the unmanned aerial vehicle is fulfilled, and the flying stability of the unmanned aerial vehicle is improved.
In order to solve the problem that unmanned aerial vehicle falls to the ground and breaks easily, through cylinder, buffer spring and a plurality of land wheel that fall that set up, the outside cover of land wheel is equipped with the rubber tire, impact force when can effectual reduction unmanned aerial vehicle falls to the ground avoids taking place unmanned aerial vehicle and falls to the ground the problem of breaking.
Drawings
Fig. 1 is a furnace body diagram of a part of the structure of an unmanned aerial vehicle anti-falling system provided by the invention.
Fig. 2 is a schematic structural diagram of an anti-falling system of an unmanned aerial vehicle according to the present invention.
Fig. 3 is a perspective view of an arc-shaped plate structure of the unmanned aerial vehicle anti-falling system provided by the invention.
Fig. 4 is an enlarged schematic view of a part a of the structure in fig. 2 of the unmanned aerial vehicle anti-falling system provided by the invention.
Fig. 5 is an enlarged schematic view of a part B of the structure of the unmanned aerial vehicle anti-falling system provided by the invention in fig. 2.
In the figure: 1 control block, 2 erection columns, 3 cylinders, 4 sliding plates, 5 sleeve seats, 6 sliding chutes, 7 buffer springs, 8 transverse plates, 9 moving rods, 10 ground wheels, 11 installation blocks, 12 fixing plates, 13 clamping plates, 14 driving motors, 15 rotating discs, 16 fan blades, 17 installation plates, 18 chambers, 19 buffer rods, 20 arc-shaped plates, 21 first action rods, 22 second action rods, 23 upright columns, 24 transverse blocks, 25 first sliding blocks, 26 second sliding blocks, 27 springs and 28 upper baffle plates.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to fig. 1-5, in the present embodiment, an anti-falling system for an unmanned aerial vehicle is provided, which includes a control block 1, a mounting column 2 is fixedly mounted at the bottom of the control block 1, a sliding plate 4 is slidably mounted on both sides of the mounting column 2, two symmetrically arranged sleeve seats 5 are fixedly mounted at the bottom of the sliding plate 4, moving rods 9 are slidably mounted at the bottoms of the two sleeve seats 5, a landing wheel 10 is disposed at the bottom of each moving rod 9, the bottoms of the four landing wheels 10 are disposed above the bottom of the mounting column 2, a plurality of mounting blocks 11 arranged in a ring shape are fixedly mounted at the outer side of the control block 1, a fixing plate 12 is fixedly mounted at one side of each two adjacent mounting blocks 11, a clamping plate 13 is fixedly mounted at one side of each fixing plate 12, the same lifting assembly is fixedly mounted at one side of two clamping plates 13 close to each other, four lifting assemblies are provided, the same mounting plate 17 is fixedly mounted, and the mounting plate 17 is provided with a cavity 18, the mounting plate 17 is provided with four mounting plates 17 which are arranged in an annular and equidistant manner, two buffer rods 19 which are symmetrically arranged are slidably mounted in the inner part of one side of the cavity 18, the inner wall of the top part and the inner part of the bottom part of the cavity 18 are fixedly mounted with the same upright post 23, the outer side of the central position of the upright post 23 is fixedly mounted with a transverse block 24, the outer side of the transverse block 24 is slidably mounted with two first sliders 25 and two second sliders 26 which are symmetrically arranged, the two first sliders 25 and the two second sliders 26 which are positioned above and the two first sliders 25 and the two second sliders 26 which are positioned below are respectively in transmission connection with the two buffer rods 19, the four arc-shaped plates 20 which are arranged are all arranged at the outer side of the fan blade 16, the upper part of the fan blade 16 is protected by an upper baffle 28, so as to achieve the purpose that other, the models of the driving motor 14 and the air cylinder 3 can be selected according to actual requirements, a storage battery is arranged in the control block 1, the driving motor 14, the air cylinder and PLC control are all powered by the storage battery, the PLC can control the air cylinder 3 to start after receiving signals, the side face of the fan blade 16 is protected by the arranged arc plate 20, a part firstly contacting other objects is the arc plate 20, the arc plate 20 can act on two buffer rods 19 to move transversely after being impacted, acting force for longitudinal movement is provided for the first sliding block 25 and the second sliding block 26 through the arranged first acting rod 21 and the second acting rod 22, the first sliding block 25 and the second sliding block 26 can extrude the spring 27 to deform, the purpose of absorbing the acting force is achieved, the unmanned aerial vehicle is prevented from being damaged due to overlarge impact, when the unmanned aerial vehicle needs to land, the PLC control panel controls the two air cylinders 3 to start, the two sliding plates 4 move downwards under the action of the two air cylinders 3, the four landing wheels 10 move to the lower part of the mounting column 2 and are firstly contacted with the ground to play the aim of buffering landing impact, compared with the traditional unmanned aerial vehicle, the upper baffle 28, the arc plate 20 and the land wheel 10 can protect the unmanned aerial vehicle in all directions, avoid the falling of the unmanned aerial vehicle, greatly improve the stability of the unmanned aerial vehicle, solve the problem of poor flight stability of the unmanned aerial vehicle, four lifting components which are arranged at equal intervals are fixedly arranged on the outer side of the control block 1, so that the aim of balancing the flying stress of the unmanned aerial vehicle is fulfilled, the flying stability of the unmanned aerial vehicle is improved, and in order to solve the problem that the unmanned aerial vehicle is easy to fall down, through the arrangement of the air cylinder 3, the buffer spring 7 and a plurality of land wheels 10, the outer side of the land wheel is sleeved with a rubber tire, impact force when can effectual reduction unmanned aerial vehicle falls to the ground avoids taking place unmanned aerial vehicle and falls to the ground the problem of breaking.
In this embodiment, the equal fixed mounting in both sides of erection column 2 has cylinder 3, and the bottom of cylinder 3 is provided with a plurality of cylinder output shafts, and the bottom of cylinder output shaft all with the top fixed connection of slide 4, can reach the purpose that land wheel 10 goes up and down, and the space that occupies is little, and the feasibility of implementing is high.
In this embodiment, spout 6 has been seted up at the top of cover seat 5, and slidable mounting has same diaphragm 8 on the both sides inner wall of spout 6, and the top of carriage release lever 9 extends to the inside of spout 6 and with the bottom fixed connection of diaphragm 8, and carriage release lever 9 and diaphragm 8 can slide in the inside of spout 6, play the purpose of buffering energy-absorbing.
In this embodiment, fixed mounting has buffer spring 7 on the top inner wall of spout 6, and buffer spring 7's bottom and diaphragm 8's top fixed connection all fixed mounting has the stopper on the both sides inner wall of spout 6, and two stoppers all are located diaphragm 8's below, can produce the impact force when falling ground wheel 10 and ground contact, and buffer spring 7 can effectually carry out the energy-absorbing.
In this embodiment, the subassembly of lifting off includes driving motor 14 of fixed mounting on two splint 13 inner walls, be equipped with the PLC control panel on the control block 1, the top fixed mounting of 14 output shafts of driving motor has carousel 15, and the top fixed mounting of carousel 15 has the mounting disc, the outside fixed mounting of mounting disc has two flabellums 16 that the symmetry set up, four driving motor 14 all with PLC control panel electric connection, two cylinders 3 all with PLC control panel electric connection, four flabellums 16 equidistance are arranged, can the effectual stability that improves unmanned aerial vehicle flight.
In this embodiment, one side of two buffer rods 19 rotates respectively and installs first effect pole 21 and second effect pole 22, and the one side that buffer rod 19 was kept away from to first effect pole 21 that is located the top and second effect pole 22 rotates with second slider 26 and the first slider 25 that is located the top respectively and is connected, can cushion impact force when providing the effort for the reseing of arc 20.
In this embodiment, the top of horizontal piece 24 and the inside equal fixed mounting in top of cavity 18 have spring 27, and the one side fixed connection who keeps away from each other with first slider 25 and second slider 26 respectively to the one end that two springs 27 are close to each other, and two springs 27 are all around establishing in the outside of stand 23, and springs 27 are provided with four altogether, can effectually carry out the energy-absorbing to the impulsive force, prevent that unmanned aerial vehicle from breaking.
In this embodiment, the top of the mounting plate 17 is fixedly mounted with an upper baffle 28, and the upper baffle 28 is disposed in an arc shape, and the top of the upper baffle 28 extends to a position right above the fan blades 16 on the same side, so as to protect the area above the fan blades 16 from contacting with other objects.
In this embodiment, the four arc plates 20 are disposed outside the fan blades 16, the upper side of the fan blades 16 is protected by the disposed upper baffle 28, so as to achieve the purpose that other objects cannot contact the fan blades 16, thereby improving the stability of the fan blades 16 during rotation, the types of the driving motor 14 and the cylinder 3 can be selected according to actual requirements, the storage battery is disposed inside the control block 1, the driving motor 14, the cylinder and the PLC control are all powered by the storage battery, the PLC can control the cylinder 3 to start after receiving a signal, the side surface of the fan blades 16 is protected by the disposed arc plates 20, the part which first contacts other objects is the arc plate 20, the arc plate 20 can act as the two buffer rods 19 to move transversely after being impacted, and the first acting rod 21 and the second acting rod 22 provide acting forces for the longitudinal movement for the first slider 25 and the second slider 26, first slider 25 and second slider 26 can extrude spring 27 and take place deformation, play the purpose of absorption effort, prevent that unmanned aerial vehicle from being strikeed too greatly and harm, when need falling to the ground, two cylinders 3 of PLC control panel control start, two slides 4 move downwards under the effect of two cylinders 3, four wheel 10 that fall to the ground remove to the below of erection column 2, at first with ground contact, play the purpose that the buffering falls to the ground and assaults, the energy-absorbing process is accomplished via the buffer spring 7 that sets up, overhead gage 28 through setting up, arc 20 and wheel 10 that fall to the ground can carry out the omnidirectional protection to unmanned aerial vehicle, the situation that unmanned aerial vehicle falls to avoid taking place, unmanned aerial vehicle's stability has been improved greatly.
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. An unmanned aerial vehicle anti-falling system comprises a control block (1) and is characterized in that a mounting column (2) is fixedly mounted at the bottom of the control block (1), sliding plates (4) are respectively slidably mounted on two sides of the mounting column (2), two sleeve seats (5) which are symmetrically arranged are fixedly mounted at the bottom of each sliding plate (444), moving rods (9) are respectively slidably mounted at the bottoms of the two sleeve seats (5), land wheels (10) are respectively arranged at the bottoms of the two moving rods (9), the bottoms of the four land wheels (10) are respectively positioned above the bottom of the mounting column (2), a plurality of mounting blocks (11) which are annularly arranged are fixedly mounted at the outer side of the control block (1), a fixing plate (12) is respectively fixedly mounted at one side of two adjacent mounting blocks (11), a clamping plate (13) is respectively fixedly mounted at one side of the fixing plates (12), and the same lifting assembly is fixedly mounted at one side of the two clamping plates (13) close to each other, and four lifting components are arranged, the top parts of the two clamping plates (13) are fixedly provided with the same mounting plate (17), and the mounting plates (17) are provided with four cavities (18), the four mounting plates (17) are arranged in an annular equidistant manner, two buffer rods (19) which are symmetrically arranged are arranged inside one side of the chamber (18) in a sliding way, the inner wall of the top part and the inner part of the bottom part of the chamber (18) are fixedly provided with the same upright post (23), a transverse block (24) is fixedly arranged on the outer side of the central position of the upright post (23), two first sliding blocks (25) and two second sliding blocks (26) which are symmetrically arranged are arranged on the outer side of the transverse block (24) in a sliding mode, and the two first sliding blocks (25) and the two second sliding blocks (26) which are located above are in transmission connection with the two first sliding blocks (25) and the two second sliding blocks (26) which are located below and are respectively in transmission connection with the two buffer rods (19).
2. The unmanned aerial vehicle system of claim 1, wherein both sides of the mounting post (2) are fixedly provided with a cylinder (3), the bottom of the cylinder (3) is provided with a plurality of cylinder output shafts, and the bottom of the cylinder output shafts is fixedly connected with the top of the sliding plate (4).
3. The unmanned aerial vehicle system of claim 1, wherein the top of the sleeve seat (5) is provided with a sliding groove (6), the inner walls of two sides of the sliding groove (6) are slidably provided with a horizontal plate (8), and the top of the moving rod (9) extends to the inside of the sliding groove (6) and is fixedly connected with the bottom of the horizontal plate (8).
4. The unmanned aerial vehicle system of preventing falling of claim 3, characterized in that, fixed mounting has buffer spring (7) on the top inner wall of spout (6), the top fixed connection of the bottom of buffer spring (7) and diaphragm (8), equal fixed mounting has the stopper on the both sides inner wall of spout (6), and two stoppers all are located the below of diaphragm (8).
5. The unmanned aerial vehicle system of preventing falling of claim 1, characterized in that, the lift-off subassembly includes driving motor (14) of fixed mounting on two splint (13) inner walls, be equipped with the PLC control panel on the control block (1), the top fixed mounting of driving motor (14) output shaft has carousel (15), and the top fixed mounting of carousel (15) has the mounting disc, and the outside fixed mounting of mounting disc has two flabellum (16) of symmetry setting, and four driving motor (14) all with PLC control panel electric connection, two cylinders (3) all with PLC control panel electric connection.
6. The unmanned aerial vehicle system of claim 1, wherein one side of each of the two buffer rods (19) is rotatably provided with a first action rod (21) and a second action rod (22), and one side of each of the first action rod (21) and the second action rod (22) which is located above and is far away from the buffer rod (19) is rotatably connected with a second sliding block (26) and a first sliding block (25) which are located above.
7. The unmanned aerial vehicle system of claim 1, wherein springs (27) are fixedly mounted on the top of the cross block (24) and the inside of the top of the chamber (18), one ends of the two springs (27) close to each other are fixedly connected with one sides of the first slider (25) and the second slider (26) far away from each other, the two springs (27) are wound on the outer side of the upright post (23), and the number of the springs (27) is four.
8. The unmanned aerial vehicle system of claim 1, wherein an upper baffle (28) is fixedly mounted on the top of the mounting plate (17), the upper baffle (28) is arc-shaped, and the top of the upper baffle (28) extends to a position right above the fan blades (16) on the same side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911222896.7A CN110861769A (en) | 2019-12-03 | 2019-12-03 | Unmanned aerial vehicle prevents falling system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911222896.7A CN110861769A (en) | 2019-12-03 | 2019-12-03 | Unmanned aerial vehicle prevents falling system |
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| CN110861769A true CN110861769A (en) | 2020-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249356A (en) * | 2020-10-28 | 2021-01-22 | 杭州木书科技有限公司 | Unmanned aerial vehicle's organism safety cover |
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| CN108750092A (en) * | 2018-05-21 | 2018-11-06 | 诺技术有限公司 | A kind of hybrid power compound un-manned aerial helicopter |
| CN109094799A (en) * | 2018-08-29 | 2018-12-28 | 温利军 | A kind of unmanned plane telescopic protection device and its manufacturing method |
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| CN112249356A (en) * | 2020-10-28 | 2021-01-22 | 杭州木书科技有限公司 | Unmanned aerial vehicle's organism safety cover |
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