CN112224426A - Falling protection device for unmanned aerial vehicle - Google Patents
Falling protection device for unmanned aerial vehicle Download PDFInfo
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- CN112224426A CN112224426A CN202011098990.9A CN202011098990A CN112224426A CN 112224426 A CN112224426 A CN 112224426A CN 202011098990 A CN202011098990 A CN 202011098990A CN 112224426 A CN112224426 A CN 112224426A
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- 230000005484 gravity Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 description 15
- 241000883990 Flabellum Species 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 244000309464 bull Species 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 208000033999 Device damage Diseases 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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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
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
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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
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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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
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
- B64D45/06—Landing aids; Safety measures to prevent collision with earth's surface mechanical
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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
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
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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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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Stereoscopic And Panoramic Photography (AREA)
Abstract
The invention discloses a falling protection device for an unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles; in order to solve the problem that if rebound occurs, the device is damaged; this equipment specifically includes the fuselage, fuselage bottom outer wall has the placing chamber through the fix with screw, and placing chamber lateral wall opens there are four standing grooves, and the gasbag has been placed to the standing groove inner wall, and placing chamber inner wall is provided with the surge chamber, and the surge chamber inner wall is provided with the support column, and the outer wall welding of support column one side has the impact post. According to the invention, the placing chamber is arranged, when the gravity detector detects that the device vertically falls, the controller is operated to open the air bag, then the air bag forms a ring around the placing chamber to protect the bottom of the machine body, when the air bag contacts the ground, the air bag is impacted, then the connecting circular plate contacts the ground, the second spring is compressed, at the moment, the impact rod can impact into soil, if the device rebounds, the elastic grapple on the impact column can grab the ground to generate reverse acting force, and the device is prevented from being damaged due to overlarge rebounding amplitude.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a falling protection device for an unmanned aerial vehicle.
Background
Small unmanned aerial vehicles at home and abroad are widely applied to civil and military fields, such as disaster monitoring in disaster areas, aerial photography of television stations, power line patrol, meteorological detection, target investigation and the like; unmanned aerial vehicle is at the flight in-process, and the malfunction of any one part or link all can cause the aircraft out of control and crash to cause the harm to organism itself and airborne equipment, because unmanned aerial vehicle and airborne remote sensing equipment all have a value not very at present stage, the crash accident in case the emergence can cause huge property value, consequently need an unmanned aerial vehicle protection device that falls, can play the guard action to the unmanned aerial vehicle that falls.
Through the retrieval, chinese patent application No. 201910963563.3 discloses an unmanned aerial vehicle protection device that falls, including the fuselage, the fuselage outside equidistance is provided with the wing, the wing tip is provided with the flabellum, the fuselage inner chamber is provided with the circuit board, the receiver, a single-chip microcomputer, gas generator and power, the receiver is used for receiving remote control instruction, and give the single-chip microcomputer with the instruction transmission, the single-chip microcomputer is used for receiving the instruction and starts gas generator, the fuselage outer bottom is provided with the holding chamber that comprises bounding wall and baffle, the holding intracavity is provided with the gasbag, gas generator connecting tube, it has the through-hole that supplies the pipe to pass through to open on the fuselage diapire, the pipe accesss. Unmanned aerial vehicle protection device that falls in above-mentioned patent exists following not enough: adopt the gasbag to protect, but when the gasbag contacted ground, if the impact of production bounced the device, can lead to unmanned aerial vehicle to turn on one's side, produced the damage to the wing flabellum.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a falling protection device for an unmanned aerial vehicle.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a protection device that falls for unmanned aerial vehicle, which comprises a bod, fuselage bottom outer wall has the placing chamber through the fix with screw, placing chamber lateral wall opens there are four standing grooves, the gasbag has been placed to the standing groove inner wall, placing chamber inner wall is provided with the surge chamber, the surge chamber inner wall is provided with the support column, support column one side outer wall welding has the impact post, support column outer wall joint has spring two, support column one side outer wall welding has the impact rod, the four corners of impact rod bottom outer wall is provided with the elasticity grapple respectively, the welding of two one sides of spring has the connection plectane, impact rod and impact post sliding connection respectively in connecting the plectane inner wall, it has the recess to connect the plectane outer wall to open, impact rod and impact post are located the recess inner wall, it has seted up the round mouth to connect.
Preferably: side covers are hinged to two sides of the inner wall of each placing groove, magnets are arranged on the outer walls of the side covers, and the magnets of the side covers on the adjacent placing grooves attract each other.
Further: the buffer chamber inner wall joint has the connecting pipe, and the buffer chamber inner wall joint has the gas tube, and the gas tube is connected with the gasbag, and the gas tube is connected with the connecting pipe, and the buffer chamber inner wall has gas generator through the fix with screw, and gas generator's the end of giving vent to anger is connected with the connecting pipe, and the controller links to each other with gas generator linearity.
Further preferred is: the fuselage both sides inner wall joint respectively has the protection tube, and protection tube inner wall joint has the backup pad, and the backup pad inner wall rotates and is connected with the lead screw, and the lead screw outer wall has the carriage through threaded connection, and the carriage top outer wall has the camera through the fix with screw.
As a preferable aspect of the present invention: sliding plates are welded on the outer walls of the two sides of the sliding frame respectively and are connected to the inner wall of the protection pipe in a sliding mode.
Further preferred as the invention: the inner wall joint of fuselage top has the sleeve, and the sleeve inner wall rotates and is connected with the bull stick, and the sleeve inner wall has motor two through the fix with screw, and motor two's output shaft is connected with the bull stick through the shaft coupling, and the bull stick meshes with two lead screws mutually respectively, and the controller links to each other with the motor two linearity.
As a still further scheme of the invention: the outer walls of two sides of the machine body are respectively provided with a second support rod and two auxiliary rods, the two auxiliary rods are respectively connected with the second support rod, one side of the second support rod is provided with a first support rod, and two sides of the first support rod are respectively provided with a support seat.
On the basis of the scheme: the supporting seat inner wall is fixed with a motor I through a screw, the supporting seat inner wall is connected with a rotating rod in a rotating mode, an output shaft of the motor I is connected with the rotating rod through a coupler, the supporting seat top outer wall is provided with a supporting rod III, the supporting rod III is welded with a protection ring on the outer wall, the rotating rod outer wall is provided with a fan blade, and the fan blade is located inside the protection ring.
On the basis of the foregoing scheme, it is preferable that: the two sides of the outer wall of the bottom of the supporting seat are respectively and rotatably connected with inclined buffering rings, and the two buffering rings are connected through a first spring arranged on the two buffering rings.
The invention has the beneficial effects that:
1. through being provided with the placing chamber, put the gasbag in four standing grooves on the placing chamber, gravity detector is when detecting that the device falls perpendicularly, can control the controller and open the gasbag, then the gasbag can form a ring around the placing chamber, protect the fuselage bottom, when contacting ground, the gasbag receives the impact, then connect plectane contact ground, compression spring two, the impact bar can rush into in the soil this moment, if the device is bounce-back, the elasticity grapple on the impact post can snatch ground, produce reverse effort, prevent that the device rebound amplitude from too big causing the device to damage.
2. By arranging the placing groove, the air bag is placed in the placing groove, so that the air bag is conveniently ejected, the placing groove is hinged with the side cover, and the outer wall of the side cover is provided with the magnet, so that when the air bag is ejected, the magnet attracts each other to fix the side cover, and when the side cover is opened by the air bag, the side cover can be prevented from continuously shaking to influence the protection of the air bag on the device; through being provided with gas generator, the controller can control gas generator and aerify to the connecting pipe, and gas gets into the gasbag through the gas tube to pop out the gasbag.
3. Through being provided with the protection tube, the protection tube can be protected the camera on the fuselage, because the device is when falling, the impact force of production is too big, if the camera still exposes in the fuselage outside can produce the damage, consequently, set up the camera on the carriage, through threaded connection in the lead screw outer wall on the carriage, when the device falls perpendicularly, controller can starter motor two, rotate two lead screws, thereby slide the carriage and get into in the protection tube, protect the camera, the sliding plate has been welded respectively at carriage both sides outer wall simultaneously, the sliding plate plays the positioning action, make things convenient for it to pack up fast.
4. Through being provided with the guard circle, the guard circle is used for protecting the flabellum, because the device is when dropping, probably takes place to turn on one's side, can damage the flabellum, consequently utilize three connection guard circles of bracing piece, be used for increasing its compressive capacity, further play the effect of protection flabellum, through setting up two auxiliary rods for two vaulting poles, be used for increasing the stability of two vaulting poles, when the emergence is dropped, prevent that it from being broken, when flying, control motor one drives the flabellum rotation on the dwang, thereby drive arrangement flies.
5. Through being provided with the buffering ring, will cushion the ring setting in the supporting seat bottom, can improve the device and place the stability on ground, when descending, two buffering rings can part, under the effect of spring one, play the effect of buffering, simultaneously when falling, the buffering ring can be than the gasbag priority contact ground, absorb partly impact force, and four gasbags are not a whole, pop out around placing the room, can prevent to a certain extent that the gasbag from being broken, and do not influence the guard action of gasbag.
Drawings
Fig. 1 is a schematic front view of a fall protection device for an unmanned aerial vehicle according to the present invention;
fig. 2 is a schematic structural view of a protective ring of the falling protection device for the unmanned aerial vehicle, which is provided by the invention;
fig. 3 is a schematic structural view of the bottom of the body of the falling protection device for the unmanned aerial vehicle according to the present invention;
fig. 4 is a schematic view of an airbag structure of a fall protection device for an unmanned aerial vehicle according to the present invention;
fig. 5 is a schematic structural view of a protection tube of a fall protection device for an unmanned aerial vehicle according to the present invention;
fig. 6 is a schematic structural view of an elastic grapple of the falling protection device for the unmanned aerial vehicle according to the present invention;
fig. 7 is a cross-sectional view of a protection tube of a fall protection device for an unmanned aerial vehicle according to the present invention.
In the figure: the device comprises a machine body 1, a first support rod 2, a second support rod 3, a fan blade 4, a protective tube 5, a protective ring 6, a third support rod 7, a support seat 8, a buffer ring 9, a first motor 10, a first spring 11, a rotating rod 12, a magnet 13, a side cover 14, a placing groove 15, a placing chamber 16, a connecting circular plate 17, a gas generator 18, a connecting tube 19, an air bag 20, an inflation tube 21, a second spring 22, an impact rod 23, an impact column 24, a round opening 25, a sliding plate 26, a screw rod 27, a sliding frame 28, a rotating rod 29, a sleeve 30, a support plate 31, a camera 32 and an elastic grapple 33.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a falling protection device for an unmanned aerial vehicle is shown in figures 1, 3, 4 and 6 and comprises a machine body 1, wherein a placing chamber 16 is fixed on the outer wall of the bottom of the machine body 1 through screws, four placing grooves 15 are formed in the side wall of the placing chamber 16, an air bag 20 is placed on the inner wall of each placing groove 15, a buffer chamber is arranged on the inner wall of the placing chamber 16, a supporting column is arranged on the inner wall of the buffer chamber, an impact column 24 is welded on the outer wall of one side of the supporting column, a spring II 22 is clamped on the outer wall of the supporting column, an impact rod 23 is welded on the outer wall of one side of the supporting column, elastic grabbing hooks 33 are respectively arranged at four corners of the outer wall of the bottom of the impact rod 23, a connecting circular plate 17 is welded on one side of the spring II 22, the impact rod 23 and the impact column 24 are respectively connected to the inner wall of the connecting circular plate 17 in a sliding, the gravity detector is linearly connected with the controller; through being provided with placing chamber 16, in placing four standing grooves 15 on placing chamber 16 with gasbag 20, gravity detector is when detecting that the device falls perpendicularly, can control the controller and open gasbag 20, then gasbag 20 can form a ring around placing chamber 16, protect fuselage 1 bottom, when contacting ground, gasbag 20 receives the impact, then connect plectane 17 contact ground, compression spring two 22, impact bar 23 can rush into soil this moment, if the device is bounce-back, elasticity grapple 33 on the impact post 24 can snatch ground, produce reverse acting force, prevent that the too big device damage that causes of device rebound range.
In order to allow the airbag 20 to come out of the placement groove 15; as shown in fig. 3 and 4, side covers 14 are hinged to two sides of the inner wall of each placement groove 15, magnets 13 are arranged on the outer walls of the side covers 14, the magnets 13 of the side covers 14 on the adjacent placement grooves 15 attract each other, a connecting pipe 19 is clamped on the inner wall of each buffer chamber, an inflation pipe 21 is clamped on the inner wall of each buffer chamber, the inflation pipe 21 is connected with an air bag 20, the inflation pipe 21 is connected with the connecting pipe 19, a gas generator 18 is fixed on the inner wall of each buffer chamber through screws, the gas outlet end of the gas generator 18 is connected with the connecting pipe 19, and a controller is linearly connected with the; by arranging the placing groove 15, the air bag 20 is placed in the placing groove 15, so that the side cover 14 is hinged to the placing groove 15, and the magnet 13 is arranged on the outer wall of the side cover 14, so that when the air bag 20 is popped up, the magnet 13 attracts each other to fix the side cover 14, and when the side cover 14 is opened by the air bag 20, the side cover 14 can be prevented from continuously shaking to influence the protection of the air bag 20 on the device; by providing the gas generator 18, the controller will control the gas generator 18 to inflate the connecting tube 19, and the gas will enter the airbag 20 through the inflating tube 21, thereby ejecting the airbag 20.
In the use of the embodiment, when the gravity detector detects that the device falls vertically, the controller controls the gas generator 18 to inflate the connecting pipe 19, gas enters the gas bag 20 through the inflation pipe 21, the gas bag 20 blows the side cover 14 to pop out from the placing groove 15, then the gas bag 20 forms a circular ring around the placing chamber 16 to protect the bottom of the machine body 1, the magnets 13 on the side cover 14 attract each other to fix the side cover 14, when contacting the ground, the gas bag 20 is impacted, then the connecting circular plate 17 contacts the ground, the second compression spring 22 is used for compressing the impact rod 23, at the moment, the impact rod 23 can rush into the soil, if the device rebounds, the elastic grabbing hook 33 on the impact column 24 can grab the ground, a reverse acting force is generated, and the device damage caused by the overlarge rebound amplitude of the.
Example 2:
a falling protection device for an unmanned aerial vehicle is disclosed, as shown in figures 1 and 5, in order to protect equipment on the unmanned aerial vehicle, the inner walls of two sides of a machine body 1 are respectively clamped with a protection tube 5, the inner wall of the protection tube 5 is clamped with a support plate 31, the inner wall of the support plate 31 is rotatably connected with a lead screw 27, the outer wall of the lead screw 27 is connected with a sliding frame 28 through threads, the outer wall of the top of the sliding frame 28 is fixed with a camera 32 through a screw, the outer walls of two sides of the sliding frame 28 are respectively welded with a sliding plate 26, the sliding plate 26 is slidably connected with the inner wall of the protection tube 5, the inner wall of the top of the machine body 1 is clamped with a sleeve 30, the inner wall of the sleeve 30 is rotatably connected with a rotating rod 29, the inner wall; through being provided with the protection tube 5, the protection tube 5 can protect camera 32 on the fuselage 1, because the device is when falling, the impact force of production is too big, if camera 32 still exposes and can produce the damage in fuselage 1 outside, consequently, set up camera 32 on carriage 28, through threaded connection in lead screw 27 outer wall on carriage 28, when the device falls perpendicularly, the controller can starter motor two, rotate two lead screws 27, thereby slide carriage 28 and get into in the protection tube 5, protect camera 32, the sliding plate 26 has been welded respectively at carriage 28 both sides outer wall simultaneously, sliding plate 26 plays the positioning action, make things convenient for it to pack up fast.
In order to ensure the normal flight of the unmanned aerial vehicle; as shown in fig. 1 and 2, the outer walls of two sides of the machine body 1 are respectively provided with a second support rod 3 and two auxiliary rods, the two auxiliary rods are respectively connected with the second support rod 3, one side of the second support rod 3 is provided with a first support rod 2, two sides of the first support rod 2 are respectively provided with a support seat 8, the inner wall of the support seat 8 is fixed with a first motor 10 through screws, the inner wall of the support seat 8 is rotatably connected with a rotating rod 12, the output shaft of the first motor 10 is connected with the rotating rod 12 through a coupler, the outer wall of the top of the support seat 8 is provided with a third support rod 7, the outer wall of the third support rod 7 is welded with a; through being provided with guard circle 6, guard circle 6 is used for protecting flabellum 4, because the device is when dropping, probably take place to turn on one's side, can damage flabellum 4, consequently, utilize three 7 connection guard circles of bracing piece 6, be used for increasing its compressive capacity, further play the effect of protection flabellum 4, through setting up two auxiliary rods for two 3 vaulting poles, be used for increasing two 3 vaulting pole stability, when taking place to drop, prevent it by the rupture, when flying, control motor 10, flabellum 4 on the drive dwang 12 rotates, thereby the drive arrangement flies.
In order to be able to cushion when landing; as shown in fig. 2, two sides of the outer wall of the bottom of the support seat 8 are respectively and rotatably connected with an inclined buffer ring 9, and the two buffer rings 9 are connected through a first spring 11 arranged thereon; through being provided with buffering ring 9, set up buffering ring 9 in the supporting seat 8 bottom, can improve the device and place the stability on ground, when descending, two buffering rings 9 can part, under the effect of a spring 11, play the effect of buffering, when falling simultaneously, buffering ring 9 can be than gasbag 20 priority contact ground, absorbs partly impact force, prevents that gasbag 20 from being broken by the dashing.
This embodiment is when using, control motor 10, it rotates to drive flabellum 4 on dwang 12, thereby drive the device flight, when the device falls perpendicularly, the controller can start motor two, rotate two lead screws 27, thereby slide carriage 28 and get into in the protection tube 5, protect camera 32, sliding plate 26 has been welded respectively to the outer wall in carriage 28 both sides simultaneously, sliding plate 26 plays the positioning action, make things convenient for it to pack up fast, when descending, two buffering rings 9 can part, under the effect of spring 11, play the effect of buffering, when falling simultaneously, buffering ring 9 can be than gasbag 20 priority contact ground, absorb partly impact force, prevent that gasbag 20 from being broken by the dashing.
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 (9)
1. A falling protection device for an unmanned aerial vehicle comprises a machine body (1) and is characterized in that a placing chamber (16) is fixed on the outer wall of the bottom of the machine body (1) through screws, four placing grooves (15) are formed in the side wall of the placing chamber (16), an air bag (20) is placed on the inner wall of each placing groove (15), a buffer chamber is arranged on the inner wall of each placing chamber (16), a supporting column is arranged on the inner wall of the buffer chamber, an impact column (24) is welded on the outer wall of one side of the supporting column, a spring II (22) is clamped on the outer wall of the supporting column, an impact rod (23) is welded on the outer wall of one side of the supporting column, elastic grabbing hooks (33) are respectively arranged at four corners of the outer wall of the bottom of the impact rod (23), a connecting circular plate (17) is welded on one side of the spring II (22), the impact rod (23) and the impact column (24), the outer wall of one side of the connecting circular plate (17) is provided with a round opening (25), the outer wall of the round opening (25) is fixed with a gravity detector and a controller through screws, and the gravity detector is linearly connected with the controller.
2. The fall protection device for the unmanned aerial vehicle as claimed in claim 1, wherein side covers (14) are hinged to both sides of the inner wall of the placement groove (15), the outer walls of the side covers (14) are provided with magnets (13), and the magnets (13) of the side covers (14) on the adjacent placement grooves (15) attract each other.
3. The falling protection device for the unmanned aerial vehicle as claimed in claim 1, wherein the connecting pipe (19) is clamped on the inner wall of the buffer chamber, the inflation pipe (21) is connected with the air bag (20), the inflation pipe (21) is connected with the connecting pipe (19), the gas generator (18) is fixed on the inner wall of the buffer chamber through a screw, the gas outlet end of the gas generator (18) is connected with the connecting pipe (19), and the controller is linearly connected with the gas generator (18).
4. The falling protection device for the unmanned aerial vehicle as claimed in claim 1, wherein the inner walls of the two sides of the unmanned aerial vehicle body (1) are respectively clamped with a protection tube (5), the inner wall of the protection tube (5) is clamped with a support plate (31), the inner wall of the support plate (31) is rotatably connected with a screw rod (27), the outer wall of the screw rod (27) is connected with the sliding frame (28) through threads, and the outer wall of the top of the sliding frame (28) is fixed with a camera (32) through screws.
5. The crash protection device for unmanned aerial vehicles according to claim 4, wherein the sliding plates (26) are welded to the outer walls of both sides of the sliding frame (28), and the sliding plates (26) are slidably connected to the inner wall of the protection tube (5).
6. The falling protection device for the unmanned aerial vehicle as claimed in claim 4, wherein a sleeve (30) is clamped on the inner wall of the top of the unmanned aerial vehicle body (1), a rotating rod (29) is rotatably connected to the inner wall of the sleeve (30), a second motor is fixed on the inner wall of the sleeve (30) through a screw, an output shaft of the second motor is connected with the rotating rod (29) through a coupler, the rotating rod (29) is respectively meshed with the two screw rods (27), and a controller is linearly connected with the motor.
7. The fall protection device for the unmanned aerial vehicle as claimed in claim 1, wherein the outer walls of the two sides of the main body (1) are respectively provided with a second support rod (3) and two auxiliary rods, the two auxiliary rods are respectively connected with the second support rod (3), one side of the second support rod (3) is provided with a first support rod (2), and two sides of the first support rod (2) are respectively provided with the support seats (8).
8. The falling protection device for the unmanned aerial vehicle as claimed in claim 7, wherein a first motor (10) is fixed on the inner wall of the support seat (8) through a screw, a rotating rod (12) is connected to the inner wall of the support seat (8) in a rotating manner, an output shaft of the first motor (10) is connected with the rotating rod (12) through a coupling, a third support rod (7) is arranged on the outer wall of the top of the support seat (8), a protection ring (6) is welded on the outer wall of the third support rod (7), a fan blade (4) is arranged on the outer wall of the rotating rod (12), and the fan blade (4) is located inside.
9. The fall protection device for the unmanned aerial vehicle as claimed in claim 8, wherein the two sides of the outer wall of the bottom of the supporting seat (8) are respectively and rotatably connected with an inclined buffer ring (9), and the two buffer rings (9) are connected through a first spring (11) arranged on the two buffer rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098990.9A CN112224426A (en) | 2020-10-14 | 2020-10-14 | Falling protection device for unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011098990.9A CN112224426A (en) | 2020-10-14 | 2020-10-14 | Falling protection device for unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN112224426A true CN112224426A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011098990.9A Withdrawn CN112224426A (en) | 2020-10-14 | 2020-10-14 | Falling protection device for unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739299A (en) * | 2022-03-25 | 2022-07-12 | 中铁城建集团有限公司 | Plate thickness controller capable of continuously counting and accurately measuring thickness of cast-in-place concrete plate |
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2020
- 2020-10-14 CN CN202011098990.9A patent/CN112224426A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739299A (en) * | 2022-03-25 | 2022-07-12 | 中铁城建集团有限公司 | Plate thickness controller capable of continuously counting and accurately measuring thickness of cast-in-place concrete plate |
| CN114739299B (en) * | 2022-03-25 | 2023-09-01 | 中铁城建集团有限公司 | Plate thickness controller capable of continuously counting and accurately measuring plate thickness of cast-in-place concrete |
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Application publication date: 20210115 |