CN112591127A - Safety landing device for protecting camera during unmanned aerial vehicle fault - Google Patents
Safety landing device for protecting camera during unmanned aerial vehicle fault Download PDFInfo
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- CN112591127A CN112591127A CN202110113364.0A CN202110113364A CN112591127A CN 112591127 A CN112591127 A CN 112591127A CN 202110113364 A CN202110113364 A CN 202110113364A CN 112591127 A CN112591127 A CN 112591127A
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- cavity
- wall
- face
- chamber
- fixedly arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
- B64C—AEROPLANES; HELICOPTERS
- B64C17/00—Aircraft stabilisation not otherwise provided for
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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
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
Abstract
The invention discloses a safe landing device for protecting a camera when an unmanned aerial vehicle fails, which comprises a working box body, wherein a working cavity is arranged in the working box body, and a trigger device is arranged in the working cavity.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicles, in particular to a safe landing device for protecting a camera when an unmanned aerial vehicle fails.
Background
The unmanned aerial vehicle is an unmanned aerial vehicle operated by utilizing a radio remote control device and a self-contained program control device, and has wide application in the fields of aerial photography, agriculture, plant protection, miniature self-timer and the like.
Traditional unmanned aerial vehicle is when shooing the operation, because signal interference or power device trouble lead to when unmanned aerial vehicle falls, its camera device often can not obtain effectual protection to unmanned aerial vehicle free fall formula falls also to have very big harm to self. The safe landing device for protecting the camera when the unmanned aerial vehicle fails can solve the problems.
Disclosure of Invention
The technical problem is as follows:
traditional unmanned aerial vehicle is when shooing the operation, if the trouble leads to falling, and its camera device can't obtain effectual protection, and unmanned aerial vehicle itself falls to ground and also will receive very big harm.
In order to solve the problems, the embodiment designs a safe landing device for protecting the camera when the unmanned aerial vehicle fails, the safe landing device for protecting the camera when the unmanned aerial vehicle fails comprises a working box body, a working chamber is arranged in the working box body, a trigger device is arranged in the working chamber and comprises a trigger box fixedly arranged on the inner wall of the left side of the working chamber, a limiting chamber is arranged in the trigger box, an adjusting shaft is rotatably arranged between the inner wall of the left side of the limiting chamber and the inner wall of the right side of the working chamber, the right end of the adjusting shaft extends to the right side of the working box body, an adjusting disc is fixedly arranged on the right end face of the working box body, a first straight gear positioned in the working chamber is fixedly arranged on the adjusting shaft, a second straight gear positioned in the limiting chamber is fixedly arranged on the adjusting shaft, and an elastic cavity positioned on the upper side, the elastic cavity is internally provided with a camera device, the camera device comprises an elastic plate which is arranged in the elastic cavity in a vertical sliding manner, the lower end face of the elastic plate is fixedly provided with a toothed plate which is in vertical sliding connection with the lower side inner wall of the elastic cavity and the upper side inner wall of the working cavity, the rear end face of the toothed plate is meshed with the first straight gear, the lower end face of the toothed plate is fixedly provided with a touch block, the lower end face of the touch block is fixedly provided with a camera, a telescopic cavity is arranged between the lower side inner wall of the working cavity and the lower end face of the working box body in a through manner, a gravity center cavity which is positioned on the upper side of the elastic cavity is arranged in the working box body, a gravity center device is arranged in the gravity center cavity and comprises a first spring which is fixedly arranged on the inner wall on the rear side of the elastic cavity, the front end of the first spring is fixedly provided with a counterweight ball which, pop out the chamber and keep away from focus chamber side inner wall with the side end face that the work box corresponds link up, it is equipped with flight device to pop out the intracavity, flight device sets up including rotating pop out the first axis of rotation between the chamber side inner wall from top to bottom, the fixed wing of glideing that is equipped with in the first axis of rotation, the wing of glideing is close to focus chamber side end face with pop out the chamber and be close to it is equipped with the second spring to pop out fixedly between the chamber side inner wall.
Wherein, trigger device still including set up in the trigger case and be located the left chamber that triggers in restriction chamber, it is equipped with the trigger plate to trigger the intracavity horizontal slip, trigger the board right-hand member face with trigger fixedly between the chamber right side inner wall and be equipped with the third spring, trigger the board left end face with trigger fixedly respectively on the chamber left side inner wall corresponding position and be equipped with two electro-magnets that can actuation each other, be equipped with eight openings on the restriction intracavity wall and to being close to the slide opening of second straight-tooth gear side about second straight-tooth gear annular array, slide in the slide opening be equipped with can with the sliding tooth of second straight-tooth gear meshing, the sliding tooth is kept away from second straight-tooth gear side end face with the slide opening is kept away from fixed being equipped with the fourth spring between the second straight-tooth gear side inner wall, the sliding tooth is kept away from link up on the second straight-tooth gear side inner wall and is equipped with first through wires hole, eight first through wires hole is in it converges to trigger incasement one, converges one first through wires hole with it link up to trigger chamber right side inner wall, smooth tooth is kept away from the fixed first stay cord that is equipped with on the second straight-teeth gear side end face, eight first stay cord passes first through wires hole just is in it is one to converge in the first through wires hole, converges one first stay cord with trigger board right-hand member face fixed connection, work as during the second straight-teeth gear clockwise rotation with smooth tooth produces the relative slip, promptly the clockwise rotation of second straight-teeth gear is unrestricted, works as during the second straight-teeth gear anticlockwise rotation, it will be right to slide the anticlockwise rotation of second straight-teeth gear restricts.
Wherein, camera device is still including fixed setting elastic plate up end with fifth spring between the side inner wall of elasticity chamber upside, about on the side inner wall of flexible chamber about, conflict piece bilateral symmetry is equipped with two switching chambers, the switching chamber is close to conflict piece lateral inner wall with flexible chamber corresponds the side inner wall and link up, horizontal slip is equipped with the protection shield in the protection shield, the protection shield is kept away from conflict piece lateral end face with the switching chamber is kept away from it is equipped with sixth spring to fix between the conflict piece lateral inner wall, the protection shield is close to conflict piece lateral end face is the ascending inclined plane of slope, terminal surface is the decurrent inclined plane of slope about with terminal surface corner under the conflict piece, conflict piece inclined end face can with corresponding position the conflict inclined plane of protection shield is contradicted, works as the conflict piece is in when moving down in the work chamber, the conflict piece is contradicted the protection shield drives two the protection shield is kept away from conflict piece lateral direction And moving, compressing the sixth spring, and extending the camera to the lower side of the working box body, thereby realizing the shooting operation on the scene.
The gravity center device further comprises a second threading hole which is arranged between the inner wall of the rear side of the gravity center cavity and the inner wall of the upper side of the elastic cavity in a penetrating mode, a second pull rope is fixedly arranged on the upper end face of the elastic plate, the other end of the second pull rope penetrates through the second threading hole and is finally fixedly connected with the rear end face of the counterweight ball, and when the second pull rope is loosened, the counterweight ball moves forwards under the elastic action of the second pull rope, so that the relative position of the counterweight ball in the elastic cavity is changed, the gravity center of the work box body is changed, and the gravity center of the work box body moves forwards.
Wherein, the flying device also comprises two transition cavities which are arranged in the working box body in a bilateral symmetry way about the elastic cavity, the transition cavities are far away from the side inner wall of the elastic cavity and communicated with the corresponding side end face of the working box body, a second rotating shaft is rotationally arranged between the upper inner wall and the lower inner wall of the transition cavity, a first wire wheel is fixedly arranged on the second rotating shaft, the lower end of the second rotating shaft extends into the working cavity and is meshed and connected with the inclined teeth of the adjusting shaft, the lower end of the first rotating shaft extends into the transition cavity and is fixedly provided with a second wire wheel, a third pull rope is wound on the second wire wheel, the other end of the third pull rope is fixedly connected with the first wire wheel at the corresponding position, two groups of protection rings are fixedly arranged on the left end face and the right end face of the working box body in a bilateral symmetry way about the gravity center cavity, and each group of protection rings comprises two protection rings, a vertically through protection cavity is arranged in the protection ring, four power motors are respectively embedded in the upper end surface of the working box body at the corresponding positions of the four protection cavities, the power shafts are arranged at the upper ends of the power motors in a power connection mode, propellers positioned in the protection cavities are fixedly arranged on the upper end surface of each power shaft, two groups of buffer cavities with openings facing downwards and far away from the side end surfaces of the working box body and corresponding to the tooth plates are symmetrically arranged on the lower end surface of the working box body in a left-right mode, each group of buffer cavities comprises two buffer cavities which are symmetrically arranged on the front-back direction of the front-back symmetrical central line of the working box body, a third rotating shaft is rotatably arranged between the inner walls on the front side and the rear side of each buffer cavity, a buffer rod is fixedly arranged on the third rotating shaft, a seventh spring is fixedly arranged between the upper end surface of each buffer rod and the inner wall, the joint pin is characterized in that a driven block is fixedly arranged on the front end face of the joint pin, a moving cavity with a downward opening is arranged in the driven block, a rotating pin is arranged between the inner walls of the left side and the right side of the moving cavity in a rotating mode, idler wheels are fixedly arranged on the rotating pin, when the first line wheel rotates, the third pull rope can drive the corresponding position of the second line wheel, the first rotating shaft rotates, and therefore the gliding wing is controlled to be in a telescopic state in the popping cavity, and starting and closing of a gliding state of the control device are achieved.
The invention has the beneficial effects that: the unmanned aerial vehicle emergency forced landing protection method has the advantages that the unmanned aerial vehicle is pre-adjusted, when the power device of the unmanned aerial vehicle breaks down in flight shooting operation, emergency forced landing and protection of the camera device are automatically triggered, the main means is that the gliding wings are automatically popped up on two sides of the unmanned aerial vehicle when the power system of the unmanned aerial vehicle breaks down, the gravity center position of the unmanned aerial vehicle is actively changed, the unmanned aerial vehicle is ensured to have a proper flight posture in a gliding state, meanwhile, the exposed camera device is retracted into the unmanned aerial vehicle, damage of the camera device caused by falling of the unmanned aerial vehicle is prevented, impact on the ground when the unmanned aerial vehicle lands is buffered to a certain extent, and self protection of the unmanned aerial vehicle.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is an enlarged schematic view of a portion "D" in FIG. 1;
FIG. 6 is a schematic view of the structure in the direction "E-E" in FIG. 5.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a safe landing device for protecting a camera when an unmanned aerial vehicle fails, which is mainly applied to the safe landing process of the camera when the unmanned aerial vehicle fails, and the invention is further explained by combining the attached drawings of the invention:
the invention relates to a safe landing device for protecting a camera when an unmanned aerial vehicle has a fault, which comprises a working box body 11, wherein a working cavity 34 is arranged in the working box body 11, a triggering device 901 is arranged in the working cavity 34, the triggering device 901 comprises a triggering box 60 fixedly arranged on the inner wall of the left side of the working cavity 34, a limiting cavity 63 is arranged in the triggering box 60, an adjusting shaft 42 is rotatably arranged between the inner wall of the left side of the limiting cavity 63 and the inner wall of the right side of the working cavity 34, the right end of the adjusting shaft 42 extends to the right side of the working box body 11, an adjusting disc 32 is fixedly arranged on the right end face, a first straight gear 37 positioned in the working cavity 34 is fixedly arranged on the adjusting shaft 42, a second straight gear 64 positioned in the limiting cavity 63 is fixedly arranged on the adjusting shaft 42, an elastic cavity 22 positioned on the upper side of the working cavity 34 is arranged in the, the elastic force cavity 22 is internally provided with a camera 902, the camera 902 comprises an elastic plate 16 which is arranged in the elastic cavity 22 in a vertically sliding manner, a toothed plate 38 which is connected with the lower inner wall of the elastic cavity 22 and the upper inner wall of the working cavity 34 in a vertically sliding manner is fixedly arranged on the lower end face of the elastic plate 16, the rear end face of the toothed plate 38 is meshed with the first straight gear 37, a touch block 40 is fixedly arranged on the lower end face of the touch block 40, a camera 39 is fixedly arranged on the lower end face of the touch block 40, a telescopic cavity 41 is arranged between the lower inner wall of the working cavity 34 and the lower end face of the working box body 11 in a penetrating manner, a gravity center cavity 21 which is positioned on the upper side of the elastic cavity 22 is arranged in the working box body 11, a gravity center device 903 is arranged in the gravity center cavity 21, the gravity center device 903 comprises a first spring 65 which is fixedly arranged on the inner wall of the rear side of the elastic cavity 22, and a counterweight ball 20 which slides back and forth in, work box 11 interior relation gravity core chamber 21 bilateral symmetry is equipped with two and pops out chamber 27, it keeps away from to pop out chamber 27 gravity core chamber 21 side inner wall with work box 11 corresponds the side end face and link up, it is equipped with aircraft 904 in the chamber 27 to pop out, aircraft 904 sets up including rotating pop out first axis of rotation 29 between the chamber 27 upper and lower side inner wall, the fixed gliding wing 28 that is equipped with on the first axis of rotation 29, gliding wing 28 is close to gravity core chamber 21 side end face with it is close to pop out chamber 27 fixedly be equipped with second spring 23 between the gravity core chamber 21 side inner wall.
According to the embodiment, the triggering device 901 is described in detail below, the triggering device 901 further includes a triggering chamber 58 disposed in the triggering box 60 and located on the left side of the limiting chamber 63, a triggering plate 59 is slidably disposed in the triggering chamber 58 from left to right, a third spring 55 is fixedly disposed between the right end surface of the triggering plate 59 and the right inner wall of the triggering chamber 58, two electromagnets 57 capable of attracting each other are fixedly disposed at positions corresponding to the left inner wall of the triggering chamber 58 on the left end surface of the triggering plate 59, eight sliding holes 53 having openings close to the second spur gear 64 side are disposed on the inner wall of the limiting chamber 63 with respect to the annular array of the second spur gear 64, sliding teeth 62 capable of meshing with the second spur gear 64 are slidably disposed in the sliding holes 53, and a fourth spring 61 is fixedly disposed between an end surface of the sliding teeth 62 far away from the second spur gear 64 and an inner wall of the sliding holes 53 far away from the second spur gear 64, the inner wall of the sliding hole 53 far away from the second spur gear 64 is provided with a first threading hole 54 in a penetrating way, eight first threading holes 54 are combined into one in the trigger box 60, the combined first threading hole 54 is communicated with the inner wall of the right side of the trigger cavity 58, the end face of the sliding tooth 62 far away from the side of the second spur gear 64 is fixedly provided with eight first pull ropes 56, the eight first pull ropes 56 pass through the first threading hole 54 and are converged into one in the first threading hole 54, the converged one first pull rope 56 is fixedly connected with the right end face of the trigger plate 59, when the second spur gear 64 rotates clockwise, relative sliding with the sliding teeth 62 is generated, that is, the clockwise rotation of the second spur gear 64 is not restricted, and when the second spur gear 64 rotates counterclockwise, the sliding teeth 62 restrict the counterclockwise rotation of the second spur gear 64.
According to the embodiment, the following detailed description will be made on the image pickup apparatus 902, the image pickup apparatus 902 further includes a fifth spring 17 fixedly disposed between the upper end surface of the elastic plate 16 and the upper inner wall of the elastic cavity 22, two open-close cavities 35 are symmetrically disposed on the left and right inner walls of the telescopic cavity 41 with respect to the contact block 40, the open-close cavities 35 are close to the inner wall of the contact block 40 and communicate with the corresponding inner wall of the telescopic cavity 41, a protection plate 43 is slidably disposed in the protection plate 43 from left to right, a sixth spring 36 is fixedly disposed between the end surface of the protection plate 43 far from the contact block 40 and the inner wall of the open-close cavity 35 far from the contact block 40, the protection plate 43 is close to the end surface of the contact block 40 and is an inclined upward slope, the corners of the lower end surface and the left and right end surfaces of the contact block 40 are inclined downward slopes, the inclined end surface of the contact block 40 can abut against the inclined slope of the protection plate 43 at the corresponding position, when the contact block 40 is in when moving down in the working cavity 34, the contact block 40 is contradicted to the protection plate 43 and drives two the protection plate 43 is to keeping away from the contact block 40 side direction moves, the sixth spring 36 compresses, the camera 39 stretches out to the lower side of the working box body 11, thereby realizing the shooting operation to the scene.
According to an embodiment, the gravity center device 903 is described in detail below, the gravity center device 903 further includes a second threading hole 19 penetrating between the inner wall of the rear side of the gravity center cavity 21 and the inner wall of the upper side of the elastic cavity 22, a second pulling rope 18 is fixedly provided on the upper end surface of the elastic plate 16, the other end of the second pulling rope 18 passes through the second threading hole 19 and is finally fixedly connected with the rear end surface of the counterweight ball 20, and when the second pulling rope 18 is loosened, the counterweight ball 20 moves forward under the elastic force of the second pulling rope 18, so that the relative position of the counterweight ball 20 in the elastic cavity 22 is changed, and further the gravity center of the work box 11, that is, the gravity center of the work box 11 moves forward.
According to the embodiment, the following detailed description will be made on the flying device 904, the flying device 904 further includes two transition cavities 30 disposed in the working box 11 in bilateral symmetry with respect to the elastic cavity 22, the inner walls of the transition cavities 30 far away from the elastic cavity 22 are communicated with the corresponding side end surfaces of the working box 11, a second rotating shaft 33 is rotatably disposed between the upper and lower inner walls of the transition cavities 30, a first pulley 31 is fixedly disposed on the second rotating shaft 33, the lower end of the second rotating shaft 33 extends into the working cavity 34 and is engaged with the inclined teeth of the adjusting shaft 42, the lower end of the first rotating shaft 29 extends into the transition cavity 30 and is fixedly disposed with a second pulley 12, a third pull rope 13 is wound on the second pulley 12, the other end of the third pull rope 13 is fixedly connected with the first pulley 31 at the corresponding position, two sets of guard rings 26 are fixedly disposed on the left and right end surfaces of the working box 11 in bilateral symmetry with respect to the gravity cavity 21, each group of the protection ring 26 comprises two protection rings which are symmetrical in the front and back direction about the front and back symmetrical center line of the working box body 11, a protection cavity 14 which is through up and down is arranged in each protection ring 26, the upper end face of the working box body 11 is provided with four power motors 24 which are embedded into the corresponding positions of the four protection cavities 14 respectively, the upper ends of the power motors 24 are connected with a power shaft 15 in a power mode, the upper end face of the power shaft 15 is fixedly provided with a propeller 25 which is positioned in the protection cavity 14, the lower end face of the working box body 11 is provided with two groups of buffer cavities 51 which are symmetrical in the left and right direction about the toothed plate 38 and have openings downward and are far away from the inner wall of the toothed plate 38 side and the corresponding side end face of the working box body 11, each group of the buffer cavities 51 comprises two buffer cavities which are symmetrical in the front and back direction about the front and, fixed buffer rod 45 that is equipped with on the third axis of rotation 44, buffer rod 45 up end with the fixed seventh spring 50 that is equipped with between the buffer chamber 51 upside inner wall, torsional spring rotates on the terminal surface before buffer rod 45 and is equipped with linking round pin 52, link up and fixedly be equipped with driven piece 49 on the terminal surface before the round pin 52, be equipped with the decurrent removal chamber 46 of opening in the driven piece 49, it is equipped with the rotating pin 47 to move to rotate between the chamber 46 left and right sides inner wall, the fixed gyro wheel 48 that is equipped with on the rotating pin 47, work as first line wheel 31 can pass through when rotating third stay cord 13 drives corresponding position second line wheel 12 first axis of rotation 29 rotates, thereby control glide wing 28 is in pop out the flexible state in the chamber 27, thereby the start-up and the closing of controlling means gliding state.
The following describes in detail the use steps of the safety landing device for protecting the camera when the unmanned aerial vehicle fails, with reference to fig. 1 to 6:
initially, the contact block 40 is located in the working cavity 34, the inclined surface of the contact block 40 is just abutted with the inclined surfaces of the two protection plates 43, the two protection plates 43 are abutted with each other, the sixth spring 36 is uncompressed, the elastic plate 16 is located on the upper side in the elastic cavity 22, the fifth spring 17 is not stretched, the two electromagnets 57 are not attracted, the third spring 55 is unstretched, the sliding tooth 62 is meshed with the second spur gear 64, the fourth spring 61 is uncompressed, the glide wing 28 extends out of the pop-up cavity 27, the second spring 23 is uncompressed, the second pull rope 18 is in a just tensioned state, the first spring 65 is uncompressed, the counterweight ball 20 is located on the front side in the elastic cavity 22, the seventh spring 50 is uncompressed, and the torsional spring between the engagement pin 52 and the buffer rod 45 does not accumulate elastic potential energy;
when in preparation, the adjusting disk 32 is rotated clockwise, the adjusting disk 32 drives the adjusting shaft 42, the first straight gear 37 and the second straight gear 64 to rotate, the second straight gear 64 rotates clockwise and slides relative to the sliding tooth 62, the first straight gear 37 rotates to drive the toothed plate 38, the abutting block 40, the camera 39 and the elastic plate 16 to move downwards, the abutting block 40 moves downwards to abut against the two protective plates 43 to move away from the abutting block 40, the sixth spring 36 is compressed, the elastic plate 16 moves downwards to stretch the fifth spring 17, the counterweight ball 20 moves backwards to the front and back symmetrical center line of the work box body 11 under the action of the pulling force of the second pulling rope 18, the first spring 65 is compressed, the adjusting shaft 42 rotates to drive the second rotating shaft 33 and the first wire 31 to rotate, the first wire 31 rotates to wind the third pulling rope 13 and drives the second wire 12, the first rotating shaft 29 and the glide vane 28 to rotate, the glide vane 28 rotates towards the side close to the gravity center cavity 21 to retract into the pop-out cavity 27, when the second spring 23 is compressed and the rotation of the adjusting disk 32 is stopped, the sliding tooth 62 limits the counterclockwise rotation of the second spur gear 64, so that the state of the device at this time is stabilized;
when the power motor 24 is started to drive the power shaft 15 and the propeller 25 to rotate during the failure, the device rises, the rotation speed of the four power motors 24 is controlled, the steering of the device can be realized, if the device fails in the flight process, namely the power motors 24 work abnormally, and the circuit is suddenly disconnected, the two electromagnets 57 are triggered to attract, the trigger plate 59 moves leftwards to pull the first pull rope 56, the third spring 55 stretches, the first pull rope 56 drives the sliding tooth 62 to move towards the side far away from the second straight gear 64, the fourth spring 61 compresses, the sliding tooth 62 is disengaged with the second straight gear 64, the rotation limitation of the second straight gear 64 is removed, the elastic plate 16, the toothed plate 38, the abutting block 40 and the camera 39 move upwards under the elastic force of the fifth spring 17 to reset, the camera 39 and the abutting block 40 move upwards to retract into the working cavity 34, so as to realize the protection of the camera 39, the two protection plates 43 reset under the elastic force of the sixth spring 36, when the toothed plate 38 moves upwards, the adjusting shaft 42 is driven to rotate reversely, the first wire wheel 31 rotates to release the third pull rope 13, the gliding wings 28 reset and extend again under the action of the elastic force of the second spring 23, the second pull rope 18 relaxes when the elastic plate 16 moves upwards, the counterweight ball 20 moves forwards under the action of the elastic force of the first spring 65, the relative position of the counterweight ball 20 and the work box body 11 is changed, so the overall gravity center of the device is forward, as the two gliding wings 28 extend outwards and the gravity center of the device moves forwards, the device glides through the gliding wings 28 and the flying direction is the gravity center direction, at the moment, the device is in an initial state, when the device glides and is forcedly descended, the roller 48 releases the ground, the seventh spring 50 compresses under the action of ground impact, the buffer rod 45 swings outwards, the torsional spring between the engaging pin 52 and the buffer rod 45 accumulates elastic potential energy until the device is stable, and after the device falls to eliminate the fault, the user controls the electromagnet 57 to disengage, which enables the device to be re-primed by rotating the adjustment dial 32 and to repeat the failsafe landing operation described above.
The invention has the beneficial effects that: the unmanned aerial vehicle emergency forced landing protection method has the advantages that the unmanned aerial vehicle is pre-adjusted, when the power device of the unmanned aerial vehicle breaks down in flight shooting operation, emergency forced landing and protection of the camera device are automatically triggered, the main means is that the gliding wings are automatically popped up on two sides of the unmanned aerial vehicle when the power system of the unmanned aerial vehicle breaks down, the gravity center position of the unmanned aerial vehicle is actively changed, the unmanned aerial vehicle is ensured to have a proper flight posture in a gliding state, meanwhile, the exposed camera device is retracted into the unmanned aerial vehicle, damage of the camera device caused by falling of the unmanned aerial vehicle is prevented, impact on the ground when the unmanned aerial vehicle lands is buffered to a certain extent, and self protection of the unmanned aerial vehicle.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (5)
1. The utility model provides a safety landing device of protection camera during unmanned aerial vehicle trouble, includes the work box, be equipped with the working chamber in the work box, its characterized in that: a trigger device is arranged in the working cavity;
the trigger device comprises a trigger box fixedly arranged on the inner wall of the left side of the working cavity, a limiting cavity is arranged in the trigger box, an adjusting shaft is rotatably arranged between the inner wall of the left side of the limiting cavity and the inner wall of the right side of the working cavity, the right end of the adjusting shaft extends to the right side of the working box, an adjusting disc is fixedly arranged on the right end face of the adjusting shaft, a first straight gear positioned in the working cavity is fixedly arranged on the adjusting shaft, a second straight gear positioned in the limiting cavity is fixedly arranged on the adjusting shaft, and an elastic cavity positioned on the upper side of the working cavity is arranged in the working box;
a camera device is arranged in the elastic cavity and comprises an elastic plate which is arranged in the elastic cavity in a vertically sliding mode, a toothed plate which is connected with the inner wall of the lower side of the elastic cavity and the inner wall of the upper side of the working cavity in a vertically sliding mode is fixedly arranged on the lower end face of the elastic plate, the rear end face of the toothed plate is meshed with the first straight gear, a touch block is fixedly arranged on the lower end face of the toothed plate, a camera is fixedly arranged on the lower end face of the touch block, a telescopic cavity is arranged between the inner wall of the lower side of the working cavity and the lower end face of the working box body in a through mode, and a gravity center cavity located on the upper side;
a gravity center device is arranged in the gravity center cavity and comprises a first spring fixedly arranged on the inner wall of the rear side of the elastic cavity, a counterweight ball which slides back and forth in the elastic cavity is fixedly arranged at the front end of the first spring, two popup cavities are symmetrically arranged in the working box body left and right relative to the gravity center cavity, and the inner walls of the popup cavities far away from the gravity center cavity are communicated with the end faces of the working box body at the corresponding sides;
pop out the intracavity and be equipped with flight device, flight device sets up including rotating pop out the first axis of rotation between the chamber upper and lower side inner wall, the fixed glider that is equipped with in the first axis of rotation, the glider is close to center of gravity chamber side end face with pop out the chamber and be close to fixed the second spring that is equipped with between the center of gravity chamber side inner wall.
2. The safety landing device of protection camera when unmanned aerial vehicle trouble of claim 1, its characterized in that: the trigger device further comprises a trigger chamber which is arranged in the trigger box and is positioned on the left side of the limit chamber, a trigger plate is arranged in the trigger chamber in a left-right sliding mode, a third spring is fixedly arranged between the right end face of the trigger plate and the right inner wall of the trigger chamber, two electromagnets capable of being mutually attracted are fixedly arranged on the corresponding positions of the left end face of the trigger plate and the left inner wall of the trigger chamber respectively, eight openings are arranged on the inner wall of the limit chamber relative to the second straight gear annular array and are close to a sliding hole on the side of the second straight gear, a sliding gear capable of being meshed with the second straight gear is arranged in the sliding hole in a sliding mode, a fourth spring is fixedly arranged between the side end face of the second straight gear and the sliding hole, and a first threading hole is arranged on the side inner wall of the second straight gear in a penetrating mode, eight first through wires hole is in it is one to converge in the trigger box, one of collection first through wires hole with it link up to trigger chamber right side inner wall, the smooth tooth is kept away from the fixed first stay cord that is equipped with on the second straight-teeth gear side end face, eight first stay cord passes first through wires hole just is in it is one to converge in the first through wires hole, one of collection first stay cord with trigger board right-hand member face fixed connection.
3. The safety landing device of protection camera when unmanned aerial vehicle trouble of claim 1, its characterized in that: camera device is still including fixed setting up elastic plate up end with fifth spring between the side inner wall of elasticity chamber upside, about on the side inner wall about flexible chamber conflict piece bilateral symmetry is equipped with two switching chambers, the switching chamber is close to conflict piece lateral inner wall with flexible chamber corresponds the side inner wall and link up, horizontal slip is equipped with the protection shield in the protection shield, the protection shield is kept away from conflict piece lateral end face with the switching chamber is kept away from it is equipped with sixth spring to fix between the conflict piece lateral inner wall, the protection shield is close to conflict piece lateral end face is the ascending inclined plane of slope, terminal surface corner is the decurrent inclined plane of slope about with about the conflict piece, conflict piece inclined end face can with correspond the position protection shield inclined plane is contradicted.
4. The safety landing device of protection camera when unmanned aerial vehicle trouble of claim 1, its characterized in that: the gravity center device further comprises a second threading hole which is arranged between the inner wall of the rear side of the gravity center cavity and the inner wall of the upper side of the elastic cavity in a penetrating mode, a second pulling rope is fixedly arranged on the upper end face of the elastic plate, and the other end of the second pulling rope penetrates through the second threading hole and finally is fixedly connected with the rear end face of the counterweight ball.
5. The safety landing device of protection camera when unmanned aerial vehicle trouble of claim 1, its characterized in that: the flying device also comprises two transition cavities which are arranged in the working box body in a bilateral symmetry mode about the elastic cavity, the transition cavities are far away from the side inner wall of the elastic cavity and communicated with the corresponding side end face of the working box body, a second rotating shaft is arranged between the upper inner wall and the lower inner wall of the transition cavity in a rotating mode, a first wire wheel is fixedly arranged on the second rotating shaft, the lower end of the second rotating shaft extends into the working cavity and is meshed with the inclined teeth of the adjusting shaft, the lower end of the first rotating shaft extends into the transition cavity and is fixedly provided with a second wire wheel, a third pull rope is wound on the second wire wheel, the other end of the third pull rope is fixedly connected with the first wire wheel at the corresponding position, two groups of protection rings are arranged on the left end face and the right end face of the working box body in a bilateral symmetry mode about the gravity cavity and are fixedly provided, and each group of protection rings comprises, a vertically through protection cavity is arranged in the protection ring, four power motors are respectively embedded in the upper end surface of the working box body at the corresponding positions of the four protection cavities, the power shafts are arranged at the upper ends of the power motors in a power connection mode, propellers positioned in the protection cavities are fixedly arranged on the upper end surface of each power shaft, two groups of buffer cavities with openings facing downwards and far away from the side end surfaces of the working box body and corresponding to the tooth plates are symmetrically arranged on the lower end surface of the working box body in a left-right mode, each group of buffer cavities comprises two buffer cavities which are symmetrically arranged on the front-back direction of the front-back symmetrical central line of the working box body, a third rotating shaft is rotatably arranged between the inner walls on the front side and the rear side of each buffer cavity, a buffer rod is fixedly arranged on the third rotating shaft, a seventh spring is fixedly arranged between the upper end surface of each buffer rod and the inner wall, the connecting pin is characterized in that a driven block is fixedly arranged on the front end face of the connecting pin, a moving cavity with a downward opening is arranged in the driven block, a rotating pin is rotatably arranged between the inner walls of the left side and the right side of the moving cavity, and a roller is fixedly arranged on the rotating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110113364.0A CN112591127A (en) | 2021-01-27 | 2021-01-27 | Safety landing device for protecting camera during unmanned aerial vehicle fault |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110113364.0A CN112591127A (en) | 2021-01-27 | 2021-01-27 | Safety landing device for protecting camera during unmanned aerial vehicle fault |
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| CN112591127A true CN112591127A (en) | 2021-04-02 |
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| CN202110113364.0A Withdrawn CN112591127A (en) | 2021-01-27 | 2021-01-27 | Safety landing device for protecting camera during unmanned aerial vehicle fault |
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| CN113581481A (en) * | 2021-08-10 | 2021-11-02 | 深圳市金乾象科技有限公司 | Camera for unmanned aerial vehicle |
| CN113955133A (en) * | 2021-10-28 | 2022-01-21 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Unmanned aerial vehicle panoramic camera protection method and structure |
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| CN116080943A (en) * | 2023-03-13 | 2023-05-09 | 余涛 | Highway inspection unmanned aerial vehicle |
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