CN112078782B - Unmanned aerial vehicle shock-absorbing structure - Google Patents
Unmanned aerial vehicle shock-absorbing structure Download PDFInfo
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- CN112078782B CN112078782B CN202011037984.2A CN202011037984A CN112078782B CN 112078782 B CN112078782 B CN 112078782B CN 202011037984 A CN202011037984 A CN 202011037984A CN 112078782 B CN112078782 B CN 112078782B
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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
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a damping structure of an unmanned aerial vehicle, when the unmanned aerial vehicle lands, a pulley firstly contacts the ground, the pulleys on two sides move towards two sides under the ground pressure to drive a support frame to rotate around a first rotating shaft and compress a spring to convert the ground pressure into a compression force to the spring, then a buffer plate contacts the ground, a rubber layer is corrugated, the top end of the rubber layer is provided with slow brewing liquid, the pressure to the unmanned aerial vehicle is reduced through the deformation of the rubber layer and the slow brewing liquid, magnetorheological fluid is added into a cylinder body, a piston can move up and down when the spring vibrates, the magnetorheological fluid flows in the cylinder body to form a damping force with the friction force generated by the cylinder body, the elastic potential energy is converted into heat energy to be emitted to the outside of the cylinder body, the vibration of the unmanned aerial vehicle during flying is reduced, and the abrasion among parts of the unmanned aerial vehicle is reduced, unmanned aerial vehicles have been protected.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a damping structure of an unmanned aerial vehicle.
Background
Many rotor unmanned aerial vehicle is an unmanned vehicles who has three and above rotor shaft, because many rotor unmanned aerial vehicle have small, light in weight, can hover, control advantages such as convenient. In recent years, the development of the unmanned aerial vehicle in the aerial photography field is rapid, in order to prolong the working time of the multi-rotor unmanned aerial vehicle in the air, the unmanned aerial vehicle is the first choice of whole unmanned aerial vehicle manufacturers by using lighter and smaller loads under the same video imaging quality, and most unmanned aerial vehicles do not have damping structures at present, so that parts of the unmanned aerial vehicle are damaged when in use.
Disclosure of Invention
The invention aims to provide a damping structure of an unmanned aerial vehicle, and aims to solve the problem that parts of the unmanned aerial vehicle are damaged when the unmanned aerial vehicle is used due to the fact that most unmanned aerial vehicles have no damping structure.
In order to achieve the above purpose, the invention provides a damping structure of an unmanned aerial vehicle, which comprises a machine body, a wing, a propeller, an undercarriage, a top plate, a support, a damper, a buffer plate and a flexible component, wherein the wing is fixedly connected with the machine body and positioned above the machine body, the propeller is fixedly connected with the wing and positioned above the wing, the undercarriage is fixedly connected with the machine body and positioned below the machine body, the undercarriage is fixedly connected with the buffer plate and positioned above the buffer plate, the support is fixedly connected with the machine body and positioned on the side surface of the machine body, the top plate is fixedly connected with the support and positioned above the support, the damper is fixedly connected with the support and positioned inside the support, the buffer plate comprises a cover plate, a rubber layer, a slow brewing material and a bottom plate, the cover plate is fixedly connected with the support and located below the support, the bottom plate is fixedly connected with the buffer bubbles and located above the slow brewing liquid, the slow brewing liquid is fixedly connected with the rubber layer and located above the rubber layer, the rubber layer is fixedly connected with the bottom plate and located above the bottom plate, the flexible assembly comprises a first rotating shaft, a supporting rod, a first spring and a pulley, the first rotating shaft is rotatably connected with the support and located on the side face of the support, the supporting rod is fixedly connected with the first rotating shaft and located on the side face of the first rotating shaft, the first spring is fixedly connected with the supporting rod and located above the supporting rod, and the pulley is rotatably connected with the supporting rod and located at the bottom of the supporting rod.
The shock absorber comprises a piston, a cylinder body, a coil, a second spring and a stop block, wherein the cylinder body is fixedly connected with the support and is positioned on the side face of the support, the piston is fixedly connected with the support and is positioned in the cylinder body, the coil is fixedly connected with the stop block and is positioned on the side face of the stop block, the second spring is fixedly connected with the piston and is positioned above the piston, and the stop block is fixedly connected with the second spring and is positioned above the second spring.
The number of the shock absorbers is two, and the two shock absorbers are respectively positioned on the left side and the right side of the support.
The slow brewing device comprises a rubber layer, a soft brewing chamber, a rubber layer, a soft brewing chamber and a plurality of soft brewing chambers, wherein the slow brewing chamber comprises a high slow brewing chamber and a low slow brewing chamber, the high buffer brewing chamber is respectively fixedly connected with the rubber layer and the cover plate and is positioned between the cover plate and the rubber layer, the low slow brewing chamber is fixedly connected with the rubber layer and is positioned at the top end of the rubber layer, the number of the high slow brewing chamber and the number of the low slow brewing chamber are multiple, and the high slow brewing chamber and the low slow brewing chamber are uniformly arranged at the top end of the rubber layer in a staggered mode.
The number of the first rotating shafts is two, and the two first rotating shafts are respectively positioned on the left side and the right side of the support.
The number of the supporting rods is four, each supporting rod is symmetrically arranged on two sides of the first rotating shaft, the number of the pulleys is four, each pulley is arranged at the bottom of each supporting rod, the number of the first springs is four, and the first springs are evenly arranged above the supporting rods.
The invention has the beneficial effects that: when the unmanned aerial vehicle lands, the pulleys contact the ground firstly, the pulleys on two sides move towards two sides under the action of ground pressure to drive the support frame to rotate around the first rotating shaft and compress the first spring, the ground pressure is converted into a compression force to the first spring, then the buffer plate contacts the ground, the rubber layer is corrugated, the top end of the rubber layer is provided with slow brewing liquid, the pressure to the unmanned aerial vehicle is reduced through the deformation of the rubber layer and the slow brewing liquid, magnetorheological fluid is added into the cylinder body, the piston can move up and down when the spring vibrates, the magnetorheological fluid flows in the cylinder body and forms a damping force with the friction force generated by the cylinder body, the elastic potential energy is converted into heat energy to be emitted to the outside of the cylinder body, the vibration of the unmanned aerial vehicle during flying is reduced, the abrasion among parts of the unmanned aerial vehicle is reduced, and the unmanned aerial vehicle stops flying when in a fault high altitude, descending in-process, ascending wind pressure makes the rotor plate wind the second pivot to the inside rotation of gasbag, the air is irritated in the gasbag, the gasbag is bloated rapidly for unmanned aerial vehicle ascending buoyancy prevents directly to fall to ground, has protected unmanned aerial vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the shock-absorbing structure of the unmanned aerial vehicle.
FIG. 2 is a schematic view of a part of the structure of the shock-absorbing structure of the unmanned aerial vehicle
Fig. 3 is a cross-sectional view of a cushioning layer of the shock absorbing structure of an unmanned aerial vehicle of the present invention.
Fig. 4 is a schematic structural diagram of a shock absorber of the shock absorbing structure of the unmanned aerial vehicle.
FIG. 5 is a schematic view of the structure of an anti-falling component of the shock absorbing structure of an unmanned aerial vehicle according to the present invention
100-unmanned aerial vehicle damping structure, 1-top plate, 2-bracket, 3-vibration absorber, 31-piston, 32-cylinder, 33-coil, 34-second spring, 35-stopper, 4-buffer plate, 41-cover plate, 42-rubber layer, 43-slow brewing, 431-slow brewing, 432-slow brewing, 44-bottom plate, 5-flexible component, 51-first rotating shaft, 52-supporting rod, 53-first spring, 54-pulley, 55-sliding chute, 56-connecting rod, 57-fourth rotating shaft, 6-anti-falling component, 61-second rotating shaft, 62-third spring, 63-rotating plate, 64-air bag, 7-anti-falling component, 71-third rotating shaft, 72-supporting frame, 73-a first sleeve, 74-a sponge layer, 75-a second sleeve, 8-a body, 9-a wing, 10-a propeller, 11-a landing gear.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides an unmanned aerial vehicle shock-absorbing structure 100, includes organism 8, wing 9, screw 10, undercarriage 11, roof 1, support 2, shock absorber 3, buffer board 4 and flexible subassembly 5, wing 9 with organism 8 fixed connection, and be located the top of organism 8, screw 10 with wing 9 fixed connection, and be located the top of wing 9, undercarriage 11 with organism 8 fixed connection, and be located the below of organism 8, undercarriage 11 with buffer board 4 fixed connection, and be located the top of buffer board 4, support 2 with organism 8 fixed connection, and be located the side of organism 8, roof 1 and support 2 fixed connection, and be located the top of support 2, shock absorber 3 with support 2 fixed connection, and be located the inside of support 2, buffer board 4 includes apron 41, the cover plate 41 is fixedly connected with the bracket 2 and is positioned below the bracket 2, the bottom plate 44 is fixedly connected with the cushion bubbles 43 and is positioned above the cushioning bubbles 43, the cushioning bubbles 43 is fixedly connected with the rubber layer 42 and is positioned above the rubber layer 42, the rubber layer 42 is fixedly connected with the bottom plate 44 and is positioned above the bottom plate 44, the flexible assembly 5 comprises a first rotating shaft 51, a supporting rod 52, a first spring 53 and a pulley 54, the first rotating shaft 51 is rotatably connected with the bracket 2 and is positioned on the side surface of the bracket 2, the supporting rod 52 is fixedly connected with the first rotating shaft 51 and is positioned on the side surface of the first rotating shaft 51, the first spring 53 is fixedly connected with the supporting rod 52 and is positioned above the supporting rod 52, and the pulley 54 is rotatably connected with the supporting rod 52, and is located at the bottom of the support bar 52.
In this embodiment, the landing gear 11 is installed above the buffer plate 4, the body 8 is located between the top plate 1 and the buffer plate 4, the wing 9 is located above the top plate 1, when the unmanned aerial vehicle lands, the pulley 54 contacts the ground first, the pulleys 54 on both sides move to both sides under the ground pressure, the support rod 52 is driven to rotate around the first rotating shaft 51 and compress the first spring 53, the ground pressure is converted into a compression force to the first spring 53, then the buffer plate 4 contacts the ground, the rubber layer 42 is corrugated, the top end of the rubber layer 42 is provided with the slow brewing chamber 43, the impact force is transmitted from the bottom plate 44 to the rubber layer 42, the rubber layer 42 deforms, the rest impact force is transmitted to the slow brewing chamber 43, the slow brewing chamber 43 deforms under the extrusion of the cover plate 41, and the pressure to the unmanned aerial vehicle is reduced through the deformation of the rubber layer 42 and the slow brewing chamber 43, add magnetorheological suspensions in the cylinder body 32, piston 31 can reciprocate during the spring vibrations, magnetorheological suspensions are in flow in the cylinder body 32, with the frictional force that cylinder body 32 produced forms the damping force, turns into elastic potential energy heat energy and gives off extremely the outside of cylinder body 32 has alleviateed the vibrations of unmanned aerial vehicle when flying, reduces the wearing and tearing between each spare part of unmanned aerial vehicle, has protected unmanned aerial vehicle.
Further, the damper 3 includes a piston 31, a cylinder 32, a coil 33, a second spring 34, and a stopper 35, where the cylinder 32 is fixedly connected to the bracket 2 and located on a side surface of the bracket 2, the piston 31 is fixedly connected to the bracket 2 and located inside the cylinder 32, the coil 33 is fixedly connected to the stopper 35 and located on a side surface of the pressing plate, the second spring 34 is fixedly connected to the piston 31 and located above the piston 31, and the stopper 35 is fixedly connected to the second spring 34 and located above the second spring 34.
In this embodiment, the magnetorheological fluid is added into the cylinder 32, the unmanned aerial vehicle shakes during flying, the shake is transmitted to the piston 31 through the bracket 2, and then to the second spring 34, so that the second spring 34 moves up and down, the piston 31 moves up and down when the second spring 34 shakes, the magnetorheological fluid flows in the cylinder 32 and forms a damping force with the friction force generated by the cylinder 32 to prevent the second spring 34 from continuously deforming, the elastic potential energy is converted into heat energy to be dissipated to the outside of the cylinder 32, the damper 3 can further adjust the damping and absorption capacity by changing the damping coefficient through a method of changing the electromagnetic field in the damper according to needs through the magnetorheological effect, the damping coefficient of the damper 3 is low during flying, the damping effect is mainly achieved, and the controller is used for performing summation calculation on data such as flying speed or height during falling or falling, buffering the landing with great damping coefficient, transferring the atress to as far as possible when falling in shock absorber 3 to protect unmanned aerial vehicle's core assembly.
Further, the number of the shock absorbers 3 is two, and the two shock absorbers are respectively positioned on the left side and the right side of the bracket 2.
In this embodiment, magnetorheological fluid is added in the cylinder body 32, the piston 31 can move up and down when the spring vibrates, the magnetorheological fluid flows in the cylinder body 32, a damping force is formed by the magnetorheological fluid and friction force generated by the cylinder body 32, elastic potential energy is converted into heat energy and is dissipated to the outside of the cylinder body 32, the vibration of the unmanned aerial vehicle during flight is reduced, abrasion among all parts of the unmanned aerial vehicle is reduced, the shock absorbers are arranged on the left side and the right side of the support 2 of the shock absorber 3, and the shock absorbers are arranged on the left side and the right side of the support to keep balance of the unmanned aerial vehicle.
Further, the slow brewing liquid 43 comprises a high slow brewing liquid 431 and a low slow brewing liquid 432, the high slow brewing liquid 431 is fixedly connected with the rubber layer 42 and the cover plate 41 respectively and is positioned between the cover plate 41 and the rubber layer 42, the low slow brewing liquid 432 is fixedly connected with the rubber layer 42 and is positioned at the top end of the rubber layer 42, the number of the high slow brewing liquid 431 and the number of the low slow brewing liquid 432 are both multiple, and the multiple high slow brewing liquid 431 and the multiple low slow brewing liquid 432 are uniformly arranged at the top end of the rubber layer 42 in a staggered manner.
In this embodiment, the buffer plate 4 contacts the ground, the rubber layer 42 is corrugated, the top end of the rubber layer is provided with the slow brewing chamber 43, the impact force is transmitted from the bottom plate 44 to the rubber layer 42, the rubber layer 42 deforms, and then the residual impact force is transmitted to the slow brewing chamber 43, the high slow brewing chamber 431 is firstly extruded with the cover plate 41 to perform first buffering, when the high slow brewing chamber 431 is extruded to the same height as the low slow brewing chamber 432, the low slow brewing chamber 432 is extruded with the cover plate 41 to perform second buffering, and the pressure on the unmanned aerial vehicle is reduced through the deformation of the rubber layer 42 and the slow brewing chamber 43.
Further, the number of the first rotating shafts 51 is two, and the two first rotating shafts 51 are respectively located at the left side and the right side of the bracket 2.
In this embodiment, when unmanned aerial vehicle descends, pulley 54 contacts ground earlier, both sides pulley 54 receives ground pressure to remove to both sides, drives bracing piece 52 winds first pivot 51 is rotatory, and compresses first spring 53, with ground pressure conversion for right first spring 53's compressive force the left and right sides of support 2 all is provided with first pivot 51 is in order to keep unmanned aerial vehicle horizontal descending, prevents that both sides atress is uneven.
Further, the number of the support rods 52 is four, two support rods 52 are symmetrically arranged on two sides of each first rotating shaft 51, the number of the pulleys 54 is four, the pulleys 54 are respectively arranged at the bottom of each support rod 52, the number of the first springs 53 is four, and the first springs 53 are uniformly arranged above the support rods 52.
In this embodiment, when unmanned aerial vehicle descends, pulley 54 contacts ground earlier, both sides pulley 54 receives ground pressure to remove to both sides, drives bracing piece 52 winds first pivot 51 is rotatory, and compresses the spring, with ground pressure conversion for the compressive force to the spring, every side all is provided with two pulley 54, two with one side pulley 54 can keep unmanned aerial vehicle's one side balanced descending, four pulley 54 can fix unmanned aerial vehicle's descending angle keeps the level.
Further, unmanned aerial vehicle shock-absorbing structure 100 is still including preventing falling subassembly 6, prevent falling subassembly 6 and include second pivot 61, third spring 62, rotor plate 63 and gasbag 64, second pivot 61 with roof 1 rotates to be connected, and is located roof 1's top, third spring 62 with second pivot 61 fixed connection, and be located the side of pivot, rotor plate 63 with second pivot 61 fixed connection, and be located the side of second pivot 61, gasbag 64 with roof 1 fixed connection, and be located rotor plate 63's top.
In this embodiment, third spring 62 twines second pivot 61 is used for fixing the position of rotor plate 63, with roof 1 keeps the level, and unmanned aerial vehicle breaks down, at the high altitude screw 10 stall, the in-process of quick descending, and ascending wind pressure makes rotor plate 63 winds second pivot 61 to gasbag 64 inside rotation, the air is irritated in the gasbag 64, gasbag 64 is bloated rapidly for unmanned aerial vehicle is ascending showy power, prevents directly to fall to ground, has protected unmanned aerial vehicle.
Further, unmanned aerial vehicle shock-absorbing structure 100 still includes anti-shake subassembly 7, anti-shake subassembly 7 includes third pivot 71, support frame 72, first sleeve 73, sponge layer 74 and second sleeve 75, third pivot 71 with support 2 rotates to be connected, and is located the inside of support 2, support frame 72 with third pivot 71 fixed connection, and be located the side of third pivot 71, first sleeve 73 with support frame 72 fixed connection, and be located the top of support frame 72, sponge layer 74 with first sleeve 73 fixed connection, and be located the inside of first sleeve 73, second sleeve 75 with sponge layer 74 fixed connection, and be located the inside of sponge layer 74.
In this embodiment, use the camera of the fixed unmanned aerial vehicle of second sleeve 75, camera adjustment visual angle can pass through third pivot 71 drives first sleeve 73 is rotatory to be adjusted first sleeve 73 with set up sponge layer 74 between the second sleeve 75 with buffering unmanned aerial vehicle's shake, guaranteed the steady of shooting the picture promptly, also prevent that camera and unmanned aerial vehicle's spare part from taking place the friction, lead to unmanned aerial vehicle's spare part wearing and tearing.
Further, the flexible assembly 5 further includes a connecting rod 56 and a fourth rotating shaft 57, four sides of the supporting rod 52 are provided with a sliding groove 55, the connecting rod 56 is connected with the supporting rod 52 in a sliding manner, and is located at the sliding groove 55 and above the cover plate 41, the fourth rotating shaft 57 is connected with the cover plate 41 in a rotating manner, and is located above the cover plate 41, and the connecting rod 56 is fixedly connected with the fourth rotating shaft 57 and is located above the fourth rotating shaft 57.
In this embodiment, when unmanned aerial vehicle descends, pulley 54 contacts ground earlier, both sides pulley 54 receives ground pressure to remove to both sides, drives support frame 72 winds first pivot 51 is rotatory, and compresses first spring 53, with ground pressure conversion for right first spring 53's compressive force, the one end of connecting rod 56 is followed bracing piece 52 is followed spout 55 removes, the other end of connecting rod 56 winds third pivot 71 rotates, when rotating to the lower, will the pressure that bracing piece 52 received passes through connecting rod 56 shifts buffer board 4 has played the effect of buffering for unmanned aerial vehicle can steadily descend, has protected unmanned aerial vehicle.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An unmanned aerial vehicle shock-absorbing structure is characterized by comprising a machine body, wings, propellers, a landing gear, a top plate, a support, a shock absorber, a buffer plate and a flexible assembly, wherein the wings are fixedly connected with the machine body and positioned above the machine body, the propellers are fixedly connected with the wings and positioned above the wings, the landing gear is fixedly connected with the machine body and positioned below the machine body, the landing gear is fixedly connected with the buffer plate and positioned above the buffer plate, the support is fixedly connected with the machine body and positioned on the side surface of the machine body, the top plate is fixedly connected with the support and positioned above the support, the shock absorber is fixedly connected with the support and positioned inside the support, the buffer plate comprises a cover plate, a rubber layer, a slow brewing material and a bottom plate, and the cover plate is fixedly connected with the support, the flexible assembly comprises a first rotating shaft, a supporting rod, a first spring and a pulley, the first rotating shaft is rotatably connected with the support and is positioned on the side surface of the support, the supporting rod is fixedly connected with the first rotating shaft and is positioned on the side surface of the first rotating shaft, the first spring is fixedly connected with the supporting rod and is positioned above the supporting rod, and the pulley is rotatably connected with the supporting rod and is positioned at the bottom of the supporting rod; the slow brewing device comprises a rubber layer, a soft brewing chamber, a plurality of high-slow brewing chambers, a plurality of low-slow brewing chambers and a plurality of low-slow brewing chambers, wherein the high-slow brewing chambers are fixedly connected with the rubber layer and the cover plate respectively and are positioned between the cover plate and the rubber layer, the low-slow brewing chambers are fixedly connected with the rubber layer and are positioned at the top end of the rubber layer, the high-slow brewing chambers and the low-slow brewing chambers are arranged at the top end of the rubber layer in an evenly staggered mode.
2. The shock absorbing structure of claim 1, wherein the shock absorber comprises a piston, a cylinder, a coil, a second spring and a stop, the cylinder is fixedly connected to the bracket and located at a side of the bracket, the piston is fixedly connected to the bracket and located inside the cylinder, the coil is fixedly connected to the stop and located outside the stop, the second spring is fixedly connected to the piston and located above the piston, and the stop is fixedly connected to the second spring and located above the second spring.
3. The unmanned aerial vehicle shock-absorbing structure of claim 2, wherein the number of the shock absorbers is two, and the two shock absorbers are respectively positioned at the left side and the right side of the bracket.
4. The unmanned aerial vehicle shock-absorbing structure of claim 1, wherein the number of the first rotating shafts is two, and the two first rotating shafts are respectively located at the left and right sides of the bracket.
5. The unmanned aerial vehicle shock-absorbing structure of claim 4, wherein the number of the supporting rods is four, two supporting rods are symmetrically arranged on two sides of each first rotating shaft, the number of the pulleys is four, the pulleys are respectively arranged on the bottom of each supporting rod, the number of the first springs is four, and the first springs are uniformly arranged above each supporting rod.
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| CN202011037984.2A CN112078782B (en) | 2020-09-28 | 2020-09-28 | Unmanned aerial vehicle shock-absorbing structure |
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| CN112780887B (en) * | 2020-12-24 | 2022-03-29 | 重庆工程职业技术学院 | Be applied to auxiliary device of building engineering cost budget |
| CN113277074B (en) * | 2021-07-22 | 2021-10-08 | 深圳市青之鸟科技有限公司 | Unmanned aerial vehicle undercarriage of moving away to avoid possible earthquakes |
| CN114152580A (en) * | 2021-11-18 | 2022-03-08 | 刘志权 | Hyperspectral remote sensing geological survey appearance |
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| CN211107968U (en) * | 2019-12-04 | 2020-07-28 | 天津御遨航空科技发展有限公司 | Unmanned aerial vehicle damping device |
| CN111392115A (en) * | 2020-04-19 | 2020-07-10 | 东莞市奇趣机器人科技有限公司 | Needle tubing equipment for packing convenient to transport with protective structure |
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