CN112278308A - Scalable comprehensive protection device of unmanned aerial vehicle - Google Patents
Scalable comprehensive protection device of unmanned aerial vehicle Download PDFInfo
- Publication number
- CN112278308A CN112278308A CN202011177641.6A CN202011177641A CN112278308A CN 112278308 A CN112278308 A CN 112278308A CN 202011177641 A CN202011177641 A CN 202011177641A CN 112278308 A CN112278308 A CN 112278308A
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- aerial vehicle
- unmanned aerial
- protection device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
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- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to the field of unmanned aerial vehicle protection, in particular to a telescopic comprehensive protection device for an unmanned aerial vehicle, aiming at the problems that when the existing telescopic comprehensive protection device for the unmanned aerial vehicle is descended, the internal parts of a machine body are damaged due to overlarge descending impact force, the service life of equipment is shortened, and the use cost is increased, the telescopic comprehensive protection device for the unmanned aerial vehicle comprises a base, wherein the top of the base is symmetrically and slidably connected with two protection covers, the top of the base is slidably connected with a trapezoidal plate positioned between the two protection covers, the top of the trapezoidal plate is fixedly provided with a placing table, and the inner wall of one side of each protection cover is fixedly provided with a stop lever. Therefore, the protective device can provide good protection when in use, thereby having good practicability.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle protection, in particular to a telescopic comprehensive protection device for an unmanned aerial vehicle.
Background
An unmanned aircraft, abbreviated as "drone", and abbreviated in english as "UAV", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Drones tend to be more suitable for tasks that are too "fool, dirty, or dangerous" than are manned aircraft.
The scalable comprehensive protection device of current unmanned aerial vehicle can cause the damage to organism internals because the impact force that descends is too big when descending, reduces the life of equipment to increase use cost, and when accomodating unmanned aerial vehicle, the operation is comparatively complicated, so we propose the scalable comprehensive protection device of unmanned aerial vehicle, be used for solving the above-mentioned problem that proposes.
Disclosure of Invention
The invention provides a telescopic comprehensive protection device for an unmanned aerial vehicle, which is based on the technical problem that when the telescopic comprehensive protection device for the unmanned aerial vehicle descends, internal parts of a machine body are damaged due to overlarge descending impact force, the service life of equipment is shortened, and the use cost is increased.
The invention provides a telescopic comprehensive protection device for an unmanned aerial vehicle, which comprises a base, wherein the top of the base is symmetrically and slidably connected with two protective covers, the top of the base is slidably connected with a trapezoidal plate positioned between the two protective covers, the top of the trapezoidal plate is fixedly provided with a placing table, the inner wall of one side of each protective cover is fixedly provided with a stop lever, one end of each stop lever extends to the outer side of the corresponding protective cover, the two stop levers are movably connected with the trapezoidal plate in a transmission manner, the top of the base is fixedly provided with a limiting cover, the limiting cover is in threaded connection with a movable cover, the tops of two sides of the movable cover are respectively and rotatably connected with connecting rods, and the ends, far away from each other, of the two connecting rods are respectively and.
Preferably, the top symmetry fixed mounting of base has four bracing pieces, and trapezoidal plate's bottom symmetry has seted up four spacing grooves, and the top of four bracing pieces extends to four spacing inslots respectively and respectively with the inner wall sliding connection of four spacing grooves, can realize that it is spacing to carry out longitudinal sliding to trapezoidal plate.
Preferably, the top fixed mounting of bracing piece has buffer spring, and buffer spring's top and the top inner wall fixed connection of spacing groove can carry out elastic support to unmanned aerial vehicle.
Preferably, the one end that two pin are close to each other all rotates and is connected with the catch wheel, and two catch wheels respectively with two inclined planes rolling contact of trapezoidal plate, can conveniently promote trapezoidal plate and remove downwards.
Preferably, equal fixed mounting has the installation pole on the top four corners position of trapezoidal plate, and the top of four installation poles all with place the bottom fixed connection of platform, can realize stabilizing the installation placing the platform to can leave the space to the pin.
Preferably, the moving slot has all been seted up to the both sides of placing the platform, and sliding connection has the carriage release lever in the moving slot, the one end of carriage release lever extends to the outside of placing the platform and rotates and be connected with the gyro wheel, and two gyro wheels respectively with the both sides inner wall movable contact of two protection casings, fixed mounting has reset spring on the inner wall of moving slot one side, reset spring's one end and the one end fixed connection of carriage release lever, top one side fixed mounting of carriage release lever has L type cardboard, can realize carrying out the chucking to unmanned aerial vehicle.
Preferably, the equal fixed mounting in both sides top of removal cover has the fixed plate, rotating on the fixed plate and being connected with the back shaft, two back shafts respectively with two connecting rod fixed connection, fixed cover is equipped with the snap ring on the back shaft, the draw-in groove has been seted up to the bottom of snap ring, one side fixed mounting of fixed plate has the backup pad, sliding connection has the kelly in the backup pad, the one end of kelly is rotated and is connected with the card wheel, and the card wheel clamps with the draw-in groove activity, the cover is equipped with extension spring on the kelly, and extension spring's both ends respectively with one side of backup pad and then kelly fixed connection, can conveniently clamp the location to the.
Preferably, fixed mounting has the nut in the spacing cover, threaded connection has the screw rod on the nut, the top of screw rod runs through the top inner wall that removes the cover and extends to the top that removes the cover, the screw rod rotates with the top inner wall that removes the cover to be connected, can conveniently drive and remove the cover and upwards remove.
The invention has the beneficial effects that:
according to the technical scheme, after the unmanned aerial vehicle lands on the placing table, the screw rod can be rotated later, the movable cover can be driven to move upwards under the action of the nut at the moment, the two connecting rods can rotate upwards, the two protective covers can be pulled to be close to each other, at the moment, the two blocking wheels can be respectively contacted with the inclined planes of the trapezoidal plates, then, when the blocking wheels move transversely, the trapezoidal plates are pushed to move downwards, the buffer springs can be compressed, the unmanned aerial vehicle can move into the two protective covers, after the idler wheels are contacted with the inner wall of one side of the protective covers, then, when the protective covers move transversely, the two L-shaped clamping plates can be driven to be close to each other until the two protective covers are attached, namely, the two L-shaped clamping plates can be used for clamping the;
laminating mutually at two protection casings, card wheel this moment can be corresponding with the draw-in groove, and later extension spring under the stress just can promote the kelly and carry out lateral shifting, can make in the card wheel moves into the draw-in groove, realizes fixing a position the snap ring, further can brake the connecting rod, reaches and carries out spacing purpose to two protection casings.
The invention can provide good buffer protection when the unmanned aerial vehicle lands, and the screw rod is rotated to drive the movable cover to move upwards, so that the unmanned aerial vehicle can be stored and protected, and good protection can be provided when the unmanned aerial vehicle is used, so that the unmanned aerial vehicle has good practicability.
Drawings
Fig. 1 is a front view of a telescopic comprehensive protection device of an unmanned aerial vehicle according to the present invention;
fig. 2 is a rear view of a movable cover and two connecting rod connecting structures of the telescopic comprehensive protection device of the unmanned aerial vehicle, which is provided by the invention;
fig. 3 is a front view of a connecting structure of a movable cover and a limiting cover of the telescopic comprehensive protection device of the unmanned aerial vehicle, which is provided by the invention;
fig. 4 is a three-dimensional view of a connecting structure of a trapezoidal plate and a placing table of the telescopic comprehensive protection device for the unmanned aerial vehicle, which is provided by the invention;
fig. 5 is a schematic structural view of a part a in fig. 2 of the retractable full-protection device for the unmanned aerial vehicle according to the present invention.
In the figure: the device comprises a base 1, a protective cover 2, a stop lever 3, a support rod 4, a trapezoidal plate 5, a buffer spring 6, a placing table 7, a moving rod 8, a reset spring 9, a roller 10, a moving cover 11, a screw rod 12, a connecting rod 13, a stop wheel 14, a support shaft 15, a snap ring 16, a snap groove 17, a support plate 18, a clamping rod 19, a snap wheel 20, a tension spring 21, a limit cover 22, a nut 23, a mounting rod 24, a clamping plate 25L and a fixing plate 26.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to fig. 1-5, the embodiment provides a scalable comprehensive protection device of unmanned aerial vehicle, including base 1, base 1's top symmetry sliding connection has two protection casings 2, and base 1's top sliding connection has trapezoidal plate 5 that is located between two protection casings 2, trapezoidal plate 5's top fixed mounting has places platform 7, fixed mounting has pin 3 on one side inner wall of protection casing 2, the one end of pin 3 extends to the outside of protection casing 2, and two pin 3 all are connected with trapezoidal plate 5 swing joint, base 1's top fixed mounting has spacing cover 22, and threaded connection has removal cover 11 on the spacing cover 22, the both sides top of removal cover 11 all rotates and is connected with connecting rod 13, and the one end that two connecting rod 13 kept away from each other rotates respectively with one side top of two protection casings 2 and is connected.
The unmanned aerial vehicle storage device can provide good buffer protection when the unmanned aerial vehicle lands, and the movable cover 11 is driven to move upwards by rotating the screw 12, so that the unmanned aerial vehicle can be stored and protected, and good protection can be provided when the unmanned aerial vehicle storage device is used, and the unmanned aerial vehicle storage device has good practicability.
In this embodiment, the top symmetry fixed mounting of base 1 has four bracing pieces 4, and trapezoidal plate 5's bottom symmetry has seted up four spacing grooves, and four bracing pieces 4's top extends to four spacing inslots respectively and respectively with the inner wall sliding connection of four spacing grooves, can realize that it is spacing to carry out longitudinal sliding to trapezoidal plate 5.
In this embodiment, the top fixed mounting of bracing piece 4 has buffer spring 6, and buffer spring 6's top and the top inner wall fixed connection of spacing groove can carry out elastic support to unmanned aerial vehicle.
In this embodiment, the ends of the two blocking rods 3 close to each other are all rotatably connected with the blocking wheels 14, and the two blocking wheels 14 are respectively in rolling contact with the two inclined surfaces of the trapezoidal plate 5, so that the trapezoidal plate 5 can be conveniently pushed to move downwards.
In this embodiment, equal fixed mounting has installation pole 24 on the top four corners position of trapezoidal plate 5, and the top of four installation poles 24 all with the bottom fixed connection who places platform 7, can realize stablizing the installation placing platform 7 to can leave the space to pin 3.
In this embodiment, the moving slot has all been seted up to the both sides of placing platform 7, and sliding connection has carriage release lever 8 in the moving slot, carriage release lever 8's one end extends to the outside of placing platform 7 and swivelling joint has gyro wheel 10, and two gyro wheels 10 respectively with the both sides inner wall movable contact of two protection casings 2, fixed mounting has reset spring 9 on the inner wall of carriage release lever one side, reset spring 9's one end and carriage release lever 8's one end fixed connection, top one side fixed mounting of carriage release lever 8 has L type cardboard 25, can realize carrying out the chucking to unmanned aerial vehicle.
In this embodiment, the equal fixed mounting in both sides top of removing cover 11 has fixed plate 26, it is connected with back shaft 15 to rotate on the fixed plate 26, two back shafts 15 respectively with two connecting rods 13 fixed connection, fixed cover is equipped with snap ring 16 on the back shaft 15, draw-in groove 17 has been seted up to the bottom of snap ring 16, one side fixed mounting of fixed plate 26 has backup pad 18, sliding connection has kelly 19 on the backup pad 18, kelly 19's one end is rotated and is connected with calorie wheel 20, and calorie wheel 20 clamps with draw-in groove 17 activity, the cover is equipped with extension spring 21 on the kelly 19, and extension spring 21's both ends respectively with one side of backup pad 18 and then kelly 19 fixed connection, can conveniently clamp the location to.
In this embodiment, fixed mounting has nut 23 in the spacing cover 22, and threaded connection has screw rod 12 on the nut 23, and the top of screw rod 12 runs through the top inner wall of removing the cover 11 and extends to the top of removing the cover 11, and screw rod 12 rotates with the top inner wall of removing the cover 11 to be connected, can conveniently drive and remove the cover 11 and upwards remove.
In the embodiment, when the unmanned aerial vehicle is stored, the unmanned aerial vehicle can be landed on the placing table 7, at the moment, the placing table 7 can be elastically supported under the elastic force of the four buffer springs 6, further, necessary shock absorption protection can be provided when the unmanned aerial vehicle lands, after the unmanned aerial vehicle lands on the placing table 7, the screw 12 can be rotated, at the moment, the moving cover 11 can be driven to move upwards under the action of the nut 23, at the moment, the two connecting rods 13 can rotate upwards, namely, the two protective covers 2 can be pulled to be close to each other, at the moment, the two baffle wheels 14 can be respectively contacted with the inclined surfaces of the trapezoidal plates 5, then, when the baffle wheels 14 transversely move, the trapezoidal plates 5 can be pushed to move downwards, namely, the buffer springs 6 can be compressed, and the unmanned aerial vehicle can move towards the two protective covers 2, after the rollers 10 are contacted with the inner wall of one side of the protective covers 2, later when protection casing 2 carries out lateral shifting, can drive two L type cardboard 25 and be close to each other, laminate mutually until two protection casings 2, can utilize two L type cardboard 25 to carry out the chucking to the mount on the unmanned aerial vehicle, when connecting rod 13 rotates, can drive snap ring 16 through back shaft 15 and rotate, laminate mutually at two protection casings 2, this moment card wheel 20 can be corresponding with draw-in groove 17, later be in extension spring 21 under the stress condition just can promote card pole 19 and carry out lateral shifting, can make card wheel 20 move into in draw-in groove 17, the realization is fixed a position snap ring 16, further can brake connecting rod 13, reach and carry out spacing purpose to two protection casings 2, so can realize accomodating the protection to unmanned aerial vehicle, so when using, can provide good protection, therefore, good practicality has.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An unmanned aerial vehicle telescopic comprehensive protection device comprises a base (1) and is characterized in that, the top of the base (1) is symmetrically connected with two protective covers (2) in a sliding way, the top of the base (1) is connected with a trapezoidal plate (5) which is positioned between the two protective covers (2) in a sliding way, a placing table (7) is fixedly arranged at the top of the trapezoidal plate (5), a stop lever (3) is fixedly arranged on the inner wall of one side of the protective cover (2), one end of the stop lever (3) extends to the outer side of the protective cover (2), the two stop rods (3) are movably connected with the trapezoidal plate (5) in a transmission way, the top of the base (1) is fixedly provided with a limit cover (22), the limiting cover (22) is connected with a movable cover (11) in a threaded manner, the tops of the two sides of the movable cover (11) are respectively connected with a connecting rod (13) in a rotating manner, and one ends of the two connecting rods (13) which are far away from each other are respectively connected with the tops of one sides of the two protective covers (2) in a rotating way.
2. The telescopic comprehensive protection device for the unmanned aerial vehicle as claimed in claim 1, wherein four support rods (4) are symmetrically and fixedly mounted at the top of the base (1), four limit grooves are symmetrically formed in the bottom of the trapezoidal plate (5), and the top ends of the four support rods (4) respectively extend into the four limit grooves and are respectively connected with the inner walls of the four limit grooves in a sliding manner.
3. The telescopic comprehensive protection device for the unmanned aerial vehicle as claimed in claim 2, wherein the top end of the support rod (4) is fixedly provided with a buffer spring (6), and the top end of the buffer spring (6) is fixedly connected with the inner wall of the top of the limit groove.
4. The telescopic full protection device for the unmanned aerial vehicle as claimed in claim 1, wherein one end of each of the two blocking rods (3) close to each other is rotatably connected with a blocking wheel (14), and the two blocking wheels (14) are respectively in rolling contact with the two inclined surfaces of the trapezoidal plate (5).
5. The telescopic comprehensive protection device for the unmanned aerial vehicle as claimed in claim 1, wherein mounting rods (24) are fixedly mounted at four corners of the top of the trapezoidal plate (5), and the top ends of the four mounting rods (24) are fixedly connected with the bottom of the placing table (7).
6. The telescopic comprehensive protection device for the unmanned aerial vehicle as claimed in claim 1, wherein moving grooves are formed in both sides of the placing table (7), moving rods (8) are slidably connected in the moving grooves, one ends of the moving rods (8) extend to the outer side of the placing table (7) and are rotatably connected with idler wheels (10), the two idler wheels (10) are respectively in movable contact with inner walls of both sides of the two protective covers (2), a return spring (9) is fixedly mounted on an inner wall of one side of each moving groove, one end of the return spring (9) is fixedly connected with one end of each moving rod (8), and an L-shaped clamping plate (25) is fixedly mounted on one side of the top of each moving rod (8).
7. The retractable all-round protection device for unmanned aerial vehicle of claim 1, the top parts of two sides of the movable cover (11) are fixedly provided with fixed plates (26), the fixed plates (26) are rotatably connected with supporting shafts (15), the two supporting shafts (15) are respectively and fixedly connected with the two connecting rods (13), a snap ring (16) is fixedly sleeved on the support shaft (15), a clamping groove (17) is formed at the bottom of the snap ring (16), a supporting plate (18) is fixedly arranged on one side of the fixing plate (26), a clamping rod (19) is connected on the supporting plate (18) in a sliding manner, a clamping wheel (20) is rotatably connected at one end of the clamping rod (19), the clamping wheel (20) is movably clamped with the clamping groove (17), the clamping rod (19) is sleeved with an extension spring (21), and two ends of the extension spring (21) are respectively fixedly connected with one side of the supporting plate (18) and then the clamping rod (19).
8. The scalable comprehensive protection device of unmanned aerial vehicle of claim 1, characterized in that, there is nut (23) spacing cover (22) internal fixation, threaded connection has screw rod (12) on nut (23), the top of screw rod (12) runs through the top inner wall of removing cover (11) and extends to the top of removing cover (11), screw rod (12) are connected with the top inner wall of removing cover (11) and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177641.6A CN112278308A (en) | 2020-10-28 | 2020-10-28 | Scalable comprehensive protection device of unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011177641.6A CN112278308A (en) | 2020-10-28 | 2020-10-28 | Scalable comprehensive protection device of unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN112278308A true CN112278308A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011177641.6A Pending CN112278308A (en) | 2020-10-28 | 2020-10-28 | Scalable comprehensive protection device of unmanned aerial vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033031A (en) * | 2018-01-11 | 2018-05-15 | 辽宁通用航空研究院 | Field unmanned flight's platform with solar charging device |
| CN108820239A (en) * | 2018-06-28 | 2018-11-16 | 芜湖新尚捷智能信息科技有限公司 | A kind of landing stage for unmanned plane |
| CN109878867A (en) * | 2017-12-06 | 2019-06-14 | 西安丁子电子信息科技有限公司 | A kind of unmanned plane transport case |
| CN110435840A (en) * | 2019-08-16 | 2019-11-12 | 蚌埠市建金智能科技有限公司 | A kind of deck of boat with unmanned plane stop device |
| CN111392054A (en) * | 2020-03-31 | 2020-07-10 | 广州中科云图智能科技有限公司 | Unmanned aerial vehicle machine nest |
-
2020
- 2020-10-28 CN CN202011177641.6A patent/CN112278308A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878867A (en) * | 2017-12-06 | 2019-06-14 | 西安丁子电子信息科技有限公司 | A kind of unmanned plane transport case |
| CN108033031A (en) * | 2018-01-11 | 2018-05-15 | 辽宁通用航空研究院 | Field unmanned flight's platform with solar charging device |
| CN108820239A (en) * | 2018-06-28 | 2018-11-16 | 芜湖新尚捷智能信息科技有限公司 | A kind of landing stage for unmanned plane |
| CN110435840A (en) * | 2019-08-16 | 2019-11-12 | 蚌埠市建金智能科技有限公司 | A kind of deck of boat with unmanned plane stop device |
| CN111392054A (en) * | 2020-03-31 | 2020-07-10 | 广州中科云图智能科技有限公司 | Unmanned aerial vehicle machine nest |
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Application publication date: 20210129 |
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