CN111439375A - Unmanned aerial vehicle protection device - Google Patents
Unmanned aerial vehicle protection device Download PDFInfo
- Publication number
- CN111439375A CN111439375A CN202010419916.6A CN202010419916A CN111439375A CN 111439375 A CN111439375 A CN 111439375A CN 202010419916 A CN202010419916 A CN 202010419916A CN 111439375 A CN111439375 A CN 111439375A
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- Prior art keywords
- sliding
- unmanned aerial
- aerial vehicle
- protection
- fixed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
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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
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
- B64C27/08—Helicopters with two or more rotors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an unmanned aerial vehicle protection device which comprises an unmanned aerial vehicle body, a buffer mechanism and a protection mechanism, wherein equipment is installed at the bottom of the unmanned aerial vehicle body, a fixed column is arranged on the side surface of the equipment, the buffer mechanism is arranged on the fixed column and comprises a first sliding strip and a first spring, the first spring is fixed on the fixed column, the sliding strip in sliding connection with the fixed column is arranged below the first spring, a fixed ring is fixed on the side surface of the sliding strip, the fixed ring is sleeved on the fixed column in a sliding mode and is fixedly connected with a support, the protection mechanism is movably connected to the side surface of the fixed column and is in sliding connection with the sliding strip, and when the support is in contact with the ground, the protection. The invention solves the problem that in the prior art, when the unmanned aerial vehicle lands on uneven ground, objects on the ground can impact equipment carried at the bottom of the unmanned aerial vehicle without buffering and protecting the unmanned aerial vehicle, so that the equipment is damaged.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle protection device.
Background
Unmanned aerial vehicle is by the wide application in various occasions, and general unmanned aerial vehicle can carry on some equipment in its bottom, like camera, detector etc. when unmanned aerial vehicle descends in the ground of unevenness from the air, if do not cushion and protect unmanned aerial vehicle, subaerial object can strike the equipment that unmanned aerial vehicle bottom carried on to cause the damage of equipment.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle protection device to overcome the defects caused in the prior art.
An unmanned aerial vehicle protection device comprises an unmanned aerial vehicle body, a buffer mechanism and a protection mechanism, wherein equipment is installed at the bottom of the unmanned aerial vehicle body, a fixed column is arranged on the side face of the equipment, a first sliding groove is formed in the fixed column, the buffer mechanism is arranged in the first sliding groove, the buffer mechanism comprises a first sliding strip and a first spring, the first spring is fixed on the inner wall of the first sliding groove, the sliding strip is in sliding fit with the first sliding groove, the sliding strip is positioned under the first spring, a first fixing ring and a second fixing ring are respectively fixed at two ends of the sliding strip, the first fixing ring and the second fixing ring are both slidably sleeved on the fixed column, the first fixing ring is positioned under the second fixing ring, the first fixing ring is fixedly connected with a support, the protection mechanism is arranged on the side face of the fixed column, the protection mechanism is rotatably connected with the fixed column, and is slidably connected with, when support and ground contact the time protection machanism upwards open and form umbelliform and protect the bottom of unmanned aerial vehicle body.
Preferably, the fixed column is uniformly provided with four first sliding grooves along the circumferential surface, the inner wall of each first sliding groove is fixedly provided with a first spring, the first sliding grooves are matched with sliding strips in a sliding mode, one outwards facing side of each sliding strip is provided with an arc-shaped groove in sliding fit with the protection mechanism, two sides of each sliding groove are respectively provided with a fixed block which is connected with the fixed column into a whole, the fixed blocks are rotatably connected with the protection mechanism, the support is provided with two fixed blocks which are symmetrically fixed on the outer side of the circumference of the first fixed ring, the support comprises supporting legs and a connecting plate, the supporting legs are connected with the first fixed ring through the connecting plate, and the supporting legs are of a structure.
Preferably, the protection mechanism comprises a protection plate, a convex part and a self-adaptive flexible plate, the protection plate is of a fan-shaped structure, the convex part is fixed at one end, facing the slide bar, of the protection plate, cylindrical rods I are symmetrically fixed on two sides of the convex part, the cylindrical rods I are in sliding fit with the arc-shaped grooves, cylindrical rods II are symmetrically fixed on two sides of the convex part between the protection plate and the cylindrical rods I, the two cylindrical rods II are respectively in rotating connection with the fixing block, and the self-adaptive flexible plate is inserted between the two protection plates in a sliding mode.
Preferably, the two ends of the protection plates in the diameter direction are provided with two sliding grooves, the two ends of the self-adaptive flexible plate are respectively inserted into the two sliding grooves on the two adjacent protection plates in a sliding manner, the self-adaptive flexible plate is of a fan-shaped structure made of flexible materials, the end face, located in the two sliding grooves, of the self-adaptive flexible plate is connected with one end of the second spring, and the other end of the second spring is fixedly connected with the inner wall of the second sliding groove.
Preferably, the second spring is provided with a plurality of springs which are uniformly distributed on the end face of the self-adaptive flexible plate.
The invention has the following advantages:
1. when landing leg and ground contact, the fixed column continues a distance of downstream, and the spring is one then with the draw runner contact and compressed to make the unmanned aerial vehicle main part can obtain the buffering.
2. Four protection shields can be opened automatically and form the umbelliform when the in-process of fixed column downstream, cover in the below of unmanned aerial vehicle main part to make unmanned aerial vehicle's bottom and the equipment of carrying protected.
3. The self-adaptation flexbile plate seals the space that two protection shields produced at the motion in-process to make the protection shield then can be at the ascending air current that the motion in-process formed, ascending air current acts on an ascending support power in unmanned aerial vehicle main part, thereby makes the unmanned aerial vehicle main part obtain the buffering.
Drawings
FIG. 1 is a schematic overall three-dimensional structure of the present invention;
fig. 2 is a three-dimensional structural schematic diagram of the unmanned aerial vehicle body not installed in the present invention;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2 in accordance with the present invention;
fig. 4 is a partial cross-sectional view of the protective plate of the present invention.
Wherein: 1-an unmanned aerial vehicle body; 11-fixed column; 111-chute one; 112-fixed block; 2-a buffer mechanism; 21-a slide bar; 211-an arc-shaped slot; 22-spring one; 23-fixing the ring I; 231-a second fixing ring; 24-a scaffold; 241-support legs; 242-connecting plate; 3-a protection mechanism; 31-a protective plate; 311-a convex portion; 3111-cylindrical rod one; 3112-cylindrical bar two; 313-a second chute; 3131-spring two; 32-an adaptive flex; 4-equipment.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
As shown in fig. 1-4, the invention provides an unmanned aerial vehicle protection device, which comprises an unmanned aerial vehicle body 1, a buffer mechanism 2 and a protection mechanism 3, wherein a device 4 is installed at the bottom of the unmanned aerial vehicle body 1, a fixing column 11 is arranged on the side surface of the device 4, a first sliding groove 111 is formed in the fixing column, the buffer mechanism 2 is arranged in the first sliding groove 111, the buffer mechanism 2 comprises a sliding strip 21 and a first spring 22, the first spring 22 is fixed on the inner wall of the first sliding groove 111, the sliding strip 21 is in sliding fit with the first sliding groove 111, the sliding strip 21 is positioned right below the first spring 22, a first fixing ring 23 and a second fixing ring 231 are respectively fixed at two ends of the sliding strip 21, the first fixing ring 23 and the second fixing ring 231 are both slidably sleeved on the fixing column 11, the first fixing ring is positioned below the second fixing ring 231, and the first fixing ring 23 is fixedly connected with a bracket 24, protection machanism 3 locates the side of fixed column 11, protection machanism 3 rotates with fixed column 11 to be connected, protection machanism 3 and draw runner 21 sliding connection, protection machanism 3 upwards opens formation umbelliform and protects the bottom of unmanned aerial vehicle body 1 when support 24 and ground contact.
The fixing column 11 is uniformly provided with four sliding grooves I111 along the circumferential surface, the inner walls of the sliding grooves I111 are respectively fixed with a spring I22, sliding strips 21 are respectively in sliding fit in the sliding grooves I111, an arc-shaped groove 211 in sliding fit with the protection mechanism 3 is formed in one outward side of each sliding strip, two sides of each sliding groove I111 are respectively provided with a fixing block 112 connected with the fixing column 11 into a whole, the fixing blocks 112 are rotatably connected with the protection mechanism 3, two supports 24 are symmetrically fixed on the outer side of the circumference of the fixing ring I23, each support 24 comprises supporting legs 241 and connecting plates 242, the supporting legs 241 are connected with the fixing ring I23 through the connecting plates 242, and the supporting legs 241 are of a structure shaped like a Chinese character' hui. Through the spring one and the draw runner that set up, when landing leg and ground contact, the fixed column continues one section distance of downstream, the spring one then with the draw runner contact and compressed to make the unmanned aerial vehicle main part can obtain the buffering.
The protection mechanism 3 comprises a protection plate 31, a convex part 311 and a self-adaptive flexible plate 32, the protection plate 31 is of a fan-shaped structure, the convex part 311 is fixed at one end, facing the slide bar 21, of the protection plate 31, cylindrical rods 3111 are symmetrically fixed on two sides of the convex part 311, the cylindrical rods 3111 are in sliding fit with the arc-shaped grooves 211, cylindrical rods 3112 are further symmetrically fixed on two sides of the convex part 311 between the protection plate 31 and the cylindrical rods 3111, the two cylindrical rods 3112 are respectively in rotating connection with the fixing block 112, and the self-adaptive flexible plate 32 is in sliding insertion connection between the two protection plates 31. Through the protection shield that sets up, four protection shields can be opened automatically and form the umbelliform when the in-process of fixed column downstream, cover in the below of unmanned aerial vehicle main part to make unmanned aerial vehicle's bottom and the equipment of carrying obtain the protection.
Two sliding grooves 313 are formed in two ends of each of the protection plates 31 in the diameter direction, two ends of each of the adaptive flexible plates 32 are respectively inserted into the two sliding grooves 313 of the two adjacent protection plates 31 in a sliding manner, each of the adaptive flexible plates 32 is of a fan-shaped structure made of flexible materials, the end face, located in the corresponding sliding groove 313, of each of the adaptive flexible plates 32 is connected with one end of a second spring 3131, and the other end of the second spring 3131 is fixedly connected with the inner wall of the corresponding sliding groove 313. Through the spring two and the self-adaptation flexoplate that set up, can seal the space that two protection shields produced in the motion process to make the protection shield then can be at the ascending air current that the motion in-process formed, ascending air current acts on an ascending support power of unmanned aerial vehicle main part, thereby makes unmanned aerial vehicle main part obtain the buffering.
The second springs 3131 are uniformly distributed on the end surface of the adaptive flexible plate 32.
The specific implementation mode and principle are as follows:
in practical application, when the main body 1 of the unmanned aerial vehicle lands on uneven ground from the air, the support legs 241 are firstly contacted with the ground, the fixing column 11 at the bottom of the main body 1 of the unmanned aerial vehicle moves downwards for a short distance along the four sliding strips 21, in the moving process of the fixing column 11, the fixing column 11 drives the protection plate 31 which is rotationally connected with the fixing column through the second cylindrical rod 3112 to rotate, in the rotating process of the protection plate 31, the first cylindrical rod 3111 on the protection plate 31 slides in the arc-shaped groove 211 on the sliding strips 21, the arc-shaped groove 211 limits the final opening angle of the protection plate 31 so that the protection plate 31 can shield the equipment 4 and does not touch the equipment 4, because the four sliding strips 21 are fixed with the first fixing ring 23 and the second fixing ring 231, the four sliding strips 21 can synchronously move, the four sliding strips 31 can also synchronously rotate and upwards open to form an umbrella shape, and shield the equipment 4 at the bottom of the main body, and the self-adaptation flexplate 32 of sliding plug between two protection shields 31 can seal the space that changes between two protection shields 31 under the effect of spring two 3131, forms the ascending air current in the in-process that protection shield 31 was opened, and ascending air current acts on the ascending backing force of unmanned aerial vehicle main part 1 to make unmanned aerial vehicle main part 1 obtain the buffering again.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.
Claims (5)
1. An unmanned aerial vehicle protection device which characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), a buffer mechanism (2) and a protection mechanism (3), wherein the device (4) is installed at the bottom of the unmanned aerial vehicle body (1), a fixing column (11) is arranged on the side surface of the device (4), a first sliding chute (111) is formed in the fixing column, the buffer mechanism (2) is arranged in the first sliding chute (111), the buffer mechanism (2) comprises a first sliding strip (21) and a first spring (22), the first spring (22) is fixed on the inner wall of the first sliding chute (111), the first sliding strip (21) is in sliding fit with the first sliding chute (111), the first sliding strip (21) is located under the first spring (22), two ends of the first sliding strip (21) are respectively fixed with a first fixing ring (23) and a second fixing ring (231), the first fixing ring (23) and the second fixing ring (231) are both slidably sleeved on the fixing column (11), and the first fixing ring is located under the second fixing ring (231), the utility model discloses an unmanned aerial vehicle, including fixed ring (23) and support (24), the side of fixed column (11) is located in protection mechanism (3), protection mechanism (3) rotate with fixed column (11) and are connected, protection mechanism (3) and draw runner (21) sliding connection, protection mechanism (3) upwards open formation umbelliform and protect the bottom of unmanned aerial vehicle body (1) when support (24) and ground contact.
2. An unmanned aerial vehicle protection device according to claim 1, wherein: the fixing column (11) is uniformly provided with four sliding grooves I (111) along the circumferential surface, the inner walls of the sliding grooves I (111) are respectively fixed with a spring I (22), sliding strips (21) are arranged in the sliding grooves I (111) in a sliding fit mode, arc-shaped grooves (211) which are in sliding fit with the protection mechanism (3) are formed in one outward side of each sliding strip, two sides of each sliding groove I (111) are respectively provided with fixing blocks (112) which are connected with the fixing column (11) into a whole, the fixing blocks (112) are rotatably connected with the protection mechanism (3), two supports (24) are symmetrically fixed on the outer side of the circumference of the fixing ring I (23), each support (24) comprises a support leg (241) and a connecting plate (242), the support legs (241) are connected with the fixing ring I (23) through the connecting plates (242), and the support legs (241) are of a structure in.
3. An unmanned aerial vehicle protection device according to claim 1, wherein: protection mechanism (3) are including protection shield (31), convex part (311) and self-adaptation flexible sheet (32), protection shield (31) are fan-shaped structure, convex part (311) are fixed in protection shield (31) towards the one end of draw runner (21), the bilateral symmetry of convex part (311) is fixed with cylinder pole (3111), cylinder pole (3111) arc wall (211) sliding fit, the both sides of convex part (311) between protection shield (31) and cylinder pole (3111) still the symmetry are fixed with cylinder pole two (3112), and two cylinder pole two (3112) rotate with fixed block (112) respectively and are connected, self-adaptation flexible sheet (32) slide the grafting between two protection shields (31).
4. An unmanned aerial vehicle protection device according to claim 3, wherein: two sliding grooves (313) are formed in two ends of each protection plate (31) in the diameter direction, two ends of each self-adaptive flexible plate (32) are respectively inserted into the sliding grooves (313) of the two adjacent protection plates (31) in a sliding mode, each self-adaptive flexible plate (32) is of a fan-shaped structure made of flexible materials, the end face, located in each sliding groove (313), of each self-adaptive flexible plate (32) is connected with one end of a second spring (3131), and the other end of each second spring (3131) is fixedly connected with the inner wall of each sliding groove (313).
5. An unmanned aerial vehicle protection device according to claim 4, wherein: the second springs (3131) are uniformly distributed on the end face of the adaptive flexible plate (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419916.6A CN111439375A (en) | 2020-05-18 | 2020-05-18 | Unmanned aerial vehicle protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419916.6A CN111439375A (en) | 2020-05-18 | 2020-05-18 | Unmanned aerial vehicle protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111439375A true CN111439375A (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010419916.6A Pending CN111439375A (en) | 2020-05-18 | 2020-05-18 | Unmanned aerial vehicle protection device |
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| CN (1) | CN111439375A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896514A (en) * | 2021-02-05 | 2021-06-04 | 中国人民解放军陆军工程大学 | Three-dimensional smoke screen device based on unmanned aerial vehicle platform |
| CN115571288A (en) * | 2022-08-30 | 2023-01-06 | 武汉理工大学 | Umbrella-shaped unmanned aerial vehicle receiving and transmitting device suitable for complex sea conditions |
-
2020
- 2020-05-18 CN CN202010419916.6A patent/CN111439375A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896514A (en) * | 2021-02-05 | 2021-06-04 | 中国人民解放军陆军工程大学 | Three-dimensional smoke screen device based on unmanned aerial vehicle platform |
| CN112896514B (en) * | 2021-02-05 | 2023-09-08 | 中国人民解放军陆军工程大学 | Three-dimensional smoke curtain device based on unmanned aerial vehicle platform |
| CN115571288A (en) * | 2022-08-30 | 2023-01-06 | 武汉理工大学 | Umbrella-shaped unmanned aerial vehicle receiving and transmitting device suitable for complex sea conditions |
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