CN112357067A - Unmanned aerial vehicle undercarriage that takes precautions against earthquakes - Google Patents
Unmanned aerial vehicle undercarriage that takes precautions against earthquakes Download PDFInfo
- Publication number
- CN112357067A CN112357067A CN202011115808.6A CN202011115808A CN112357067A CN 112357067 A CN112357067 A CN 112357067A CN 202011115808 A CN202011115808 A CN 202011115808A CN 112357067 A CN112357067 A CN 112357067A
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- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- undercarriage
- sides
- fixedly connected
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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
-
- 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 relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle shockproof undercarriage, which solves the problems that in the prior art, the unmanned aerial vehicle undercarriage is mostly rigid, cannot play a role in buffering or has a small buffering effect, and when an unmanned aerial vehicle carries out emergency forced landing, the unmanned aerial vehicle cannot effectively play a good role in protecting and damping, so that the service life of the unmanned aerial vehicle is influenced, and the unmanned aerial vehicle is very inconvenient. The utility model provides an unmanned aerial vehicle undercarriage that takes precautions against earthquakes, includes the unmanned aerial vehicle body, and the bottom of unmanned aerial vehicle body is equipped with the loading board, and the top both sides of loading board are all seted up flutedly, the equal fixedly connected with connecting plate in bottom both sides of unmanned aerial vehicle body. The shockproof undercarriage provided by the invention can not only play a role in shock absorption protection for the unmanned aerial vehicle body, but also realize multi-direction and multi-angle shock absorption protection by using the components in the grooves, and simultaneously can realize the shock absorption effect of the undercarriage bottom by using the matching action of the sliding sleeve and the first extrusion spring.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle shockproof undercarriage.
Background
The unmanned aerial vehicle undercarriage is that unmanned aerial vehicle is used for the special device that the rolloff, park, needs bear the static load and the dynamic load that unmanned aerial vehicle and ground contact produced, plays the effect of supporting and protection organism, and the undercarriage relies on the buffer to absorb landing impact energy, and the quality of its performance has decisive influence to unmanned aerial vehicle take off and land the performance.
Unmanned aerial vehicle undercarriage is rigid more among the prior art, and can't play buffering or cushioning effect is very little, and unmanned aerial vehicle can not effectively play a fine protection cushioning effect to unmanned aerial vehicle when carrying out urgent compelling to land, and then has influenced unmanned aerial vehicle's life, seems very inconvenient.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle shockproof undercarriage, which solves the problems that in the prior art, the unmanned aerial vehicle undercarriage is mostly rigid, cannot play a role in buffering or has a small buffering effect, and when an unmanned aerial vehicle carries out emergency forced landing, the unmanned aerial vehicle cannot effectively play a good role in protecting and damping, so that the service life of the unmanned aerial vehicle is influenced, and the unmanned aerial vehicle is very inconvenient.
In order to achieve the purpose, the invention adopts the following technical scheme:
an unmanned aerial vehicle anti-vibration undercarriage comprises an unmanned aerial vehicle body, wherein a bearing plate is arranged at the bottom of the unmanned aerial vehicle body, grooves are formed in two sides of the top of the bearing plate, connecting plates are fixedly connected to two sides of the bottom of the unmanned aerial vehicle body, the two connecting plates are respectively positioned at the inner sides of the two grooves, the outer walls of the connecting plates positioned at the inner side parts of the grooves are elastically connected with the inner walls of the grooves through first extrusion springs, the two sides of the bottom of the bearing plate are both fixedly connected with bottom plates, one side of each of the two bottom plates is provided with a buffer groove, the directions of the two buffer grooves are opposite, the inner sides of the buffer grooves are provided with slide bars, both ends of each slide bar are fixedly connected with the inner walls of the buffer grooves, both ends of each slide bar are sleeved with sliding sleeves, and the two sliding sleeves are elastically connected through a second extrusion spring, and the second extrusion spring sleeve is established on the outer wall of slide bar, all is connected with the supporting leg through the round pin axle rotation on the outer wall of two sliding sleeves.
Preferably, the top and the first slider of the equal fixedly connected with in bottom of four sliding sleeves, and sliding connection between inboard top and the bottom of first slide rail and dashpot, the bottom both sides of two bottom plates all are connected with the arc telescopic link through the round pin hub rotation, and the bottom of four arc telescopic links rotate with between the adjacent supporting leg through the round pin hub respectively and be connected to the outside of four arc telescopic links all overlaps and is equipped with third extrusion spring.
Preferably, two connecting plates are respectively located two equal fixedly connected with second sliders in the both sides of two recess inboard portions, and the second slider passes through sliding connection between second slide rail and the recess inner wall.
Preferably, the bottoms of the two connecting plates are fixedly connected with two elastic buffer wheels, and the bottoms of the elastic buffer wheels and the bottoms of the grooves are attached to each other.
Preferably, the two sides of the inner sides of the two grooves are both provided with telescopic rods, one ends of the telescopic rods are rotatably connected with the inner walls of the grooves through pin shafts, and the other ends of the telescopic rods are rotatably connected with the lower portions of the connecting plates through pin shafts.
Preferably, the bottom ends of the four supporting legs are fixedly connected with wheel bodies.
The invention has at least the following beneficial effects:
1. when the unmanned aerial vehicle body is in shockproof, firstly, the two connecting plates utilize the first extrusion springs and the elastic buffer wheels at the bottom in the two grooves to play a preliminary shock absorption effect in different directions, when the bottom of the landing gear is collided, the supporting legs move on the sliding rods through the sliding sleeves, when the two sliding sleeves are mutually extruded, the effect of buffer protection is played by utilizing the compression of the second extrusion springs, and simultaneously, when the supporting legs drive the sliding sleeves to slide outwards, the second extrusion springs are stretched to realize the buffer protection effect in different conditions, compared with the prior art that the landing gear of the unmanned aerial vehicle is mostly rigid, the problem that the landing gear cannot play a buffer role or has a small buffer role is solved, the shockproof landing gear provided by the invention not only can play a shock absorption protection role on the unmanned aerial vehicle body, but also can realize the multi-azimuth and multi-angle buffer shock absorption protection, simultaneously, the damping effect at the bottom of the undercarriage can be achieved by the aid of the matching effect of the sliding sleeve and the first extrusion spring.
2. Utilize to be connected through the arc telescopic link between supporting leg and the bottom plate, not only can play the whole firm effect of undercarriage, can further play the effect of buffer protection to undercarriage bottom simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a side view structural diagram of the present invention;
FIG. 3 is a top view of the carrier plate according to the present invention.
In the figure: 1. an unmanned aerial vehicle body; 2. a carrier plate; 3. a connecting plate; 4. a first pressing spring; 5. a telescopic rod; 6. an elastic buffer wheel; 7. a base plate; 8. a buffer tank; 9. a slide bar; 10. a first slider; 11. a first slide rail; 12. a second pressing spring; 13. a sliding sleeve; 14. supporting legs; 15. an arc-shaped telescopic rod; 16. a third pressing spring; 17. a wheel body; 18. a groove; 19. a second slider; 20. a second slide rail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, an unmanned aerial vehicle shockproof undercarriage comprises an unmanned aerial vehicle body 1, a bearing plate 2 is arranged at the bottom of the unmanned aerial vehicle body 1, grooves 18 are respectively formed at two sides of the top of the bearing plate 2, connecting plates 3 are fixedly connected to two sides of the bottom of the unmanned aerial vehicle body 1, the two connecting plates 3 are respectively positioned at the inner sides of the two grooves 18, the outer wall of the connecting plate 3 positioned at the inner side of the groove 18 is elastically connected with the inner wall of the groove 18 through a first extrusion spring 4, bottom plates 7 are fixedly connected to two sides of the bottom of the bearing plate 2, buffer grooves 8 are respectively formed at one sides of the two bottom plates 7, the directions of the two buffer grooves 8 are opposite, a sliding rod 9 is arranged at the inner side of each buffer groove 8, two ends of the sliding rod 9 are fixedly connected with the inner wall of each buffer groove 8, sliding sleeves, and the second extrusion spring 12 is sleeved on the outer wall of the sliding rod 9, the outer walls of the two sliding sleeves 13 are rotatably connected with supporting legs 14 through pin shafts, specifically, the groove 18 on the bearing plate 2, the buffer groove 8 and the damping component thereof are utilized to play a role in multiple times of damping protection, and meanwhile, the damping mode provided by the invention can realize the damping effect from different angles.
The scheme has the following working processes:
when carrying out unmanned aerial vehicle body 1's shockproof time, at first two connecting plates 3 utilize first extrusion spring 4 to play the shock attenuation effect of a preliminary equidirectional in two recesses 18, when the undercarriage bottom received the collision, supporting leg 14 passes through sliding sleeve 13 and moves on slide bar 9, when two sliding sleeves 13 extrude each other, utilize the compression of second extrusion spring 12 to play the effect of buffer protection, when supporting leg 14 drives sliding sleeve 13 and slides to the outside simultaneously, second extrusion spring 12 will be stretched, and then realized the buffer protection effect of different situation.
According to the working process, the following steps are known:
the grooves 18 on the bearing plate 2, the buffer grooves 8 and the damping components thereof are utilized to play a role in multiple times of damping protection, and meanwhile, the damping mode provided by the invention can realize damping effects from different angles, so that the problem of poor damping effect caused by the fact that the undercarriage is mostly made of rigid materials in the traditional method is solved.
Further, the top and the first slider 10 of the equal fixedly connected with in bottom of four sliding sleeves 13, and sliding connection between inboard top and the bottom of first slide rail 11 and dashpot 8 is passed through to first slider 10, the bottom both sides of two bottom plates 7 all are connected with arc telescopic link 15 through the round pin axle rotation, and rotate through the round pin axle between the bottom of four arc telescopic links 15 and an adjacent supporting leg 14 respectively and be connected, and four arc telescopic links 15's outside all overlaps and is equipped with third extrusion spring 16, it is concrete, utilize first slider 10 to slide in first slide rail 11, the stability of sliding sleeve 13 in the motion has further been strengthened, arc telescopic link 15 and third extrusion spring 16 not only can make whole undercarriage more firm simultaneously, and the whole shock attenuation effect of undercarriage has further been improved.
Furthermore, two sides of the two connecting plates 3 respectively located at the inner side portions of the two grooves 18 are fixedly connected with second sliding blocks 19, the second sliding blocks 19 are connected with the inner walls of the grooves 18 through second sliding rails 20 in a sliding mode, specifically, the second sliding blocks 19 slide in the second sliding rails 20, and stability of the connecting plates 3 in shockproof movement is enhanced.
Further, two elastic buffering wheels 6 of the equal fixedly connected with in bottom of two connecting plates 3, and laminate between the bottom of elastic buffering wheel 6 and the bottom of recess 18, it is concrete, utilize elastic buffering wheel 6 of connecting plate 3 bottom to further improve the absorbing effect of buffering of connecting plate 3.
Further, the inboard both sides of two recesses 18 all are equipped with telescopic link 5, and rotate through the round pin axle between the one end of telescopic link 5 and the inner wall of recess 18 and be connected to rotate between the other end of telescopic link 5 through round pin axle and the lower part of connecting plate 3 and be connected, specifically, utilize to rotate through the round pin axle between telescopic link 5 and recess 18 inner wall and the connecting plate 3 to be connected, when connecting plate 3 carries out the shock attenuation buffering, utilize telescopic link 5 can not make connecting plate 3 deviate from in recess 18.
Further, the equal fixedly connected with wheel body 17 in bottom of four supporting legs 14, it is concrete, utilize wheel body 17 not only to make the undercarriage remove, and utilize the rotation of wheel body 17 to play the horizontal slip's purpose when the undercarriage bottom takes place to rub, further protect unmanned aerial vehicle body 1.
To sum up, the first sliding block 10 slides in the first sliding rail 11 to further enhance the stability of the sliding sleeve 13 in motion, meanwhile, the arc-shaped telescopic rod 15 and the third extrusion spring 16 not only can stabilize the whole undercarriage, but also can further improve the overall damping effect of the undercarriage, the second sliding block 19 slides in the second sliding rail 20 to enhance the stability of the connecting plate 3 in vibration-proof motion, the elastic buffer wheel 6 at the bottom of the connecting plate 3 is used to further improve the buffering and damping effect of the connecting plate 3, the telescopic rod 5 is rotatably connected with the inner wall of the groove 18 and the connecting plate 3 through the pin shaft, when the connecting plate 3 is damped and buffered, the telescopic rod 5 is used to prevent the connecting plate 3 from coming out of the groove 18, the wheel body 17 is used to move the undercarriage, and the rotation of the wheel body 17 plays the role of horizontal sliding when the bottom of the undercarriage is rubbed, further protect unmanned aerial vehicle body 1.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An unmanned aerial vehicle undercarriage that takes precautions against earthquakes, includes unmanned aerial vehicle body (1), its characterized in that, the bottom of unmanned aerial vehicle body (1) is equipped with loading board (2), the top both sides of loading board (2) all set up recess (18), the bottom both sides of unmanned aerial vehicle body (1) all fixedly connected with connecting plate (3), and two connecting plates (3) are located two recess (18) inboards respectively, the outer wall that connecting plate (3) are located the inside portion of recess (18) and the inner wall of recess (18) are connected through first extrusion spring (4) elasticity, the bottom both sides of loading board (2) all fixedly connected with bottom plate (7), and one side of two bottom plates (7) all sets up dashpot (8), and the opposite direction of two dashpots (8), the inboard of dashpot (8) is equipped with slide bar (9), and fixed connection between the both ends of slide bar (9) all and the inner wall of dashpot (8), the both ends of slide bar (9) all are equipped with sliding sleeve (13), and through second extrusion spring (12) elastic connection between two sliding sleeves (13) to second extrusion spring (12) cover is established on the outer wall of slide bar (9), two all rotate through the round pin axle on the outer wall of sliding sleeve (13) and be connected with supporting leg (14).
2. The unmanned aerial vehicle undercarriage that takes precautions against earthquakes of claim 1, characterized in that, the top and the bottom of four sliding sleeves (13) all fixedly connected with first slider (10), and first slider (10) through first slide rail (11) and buffer slot (8) inboard top and bottom sliding connection between, the bottom both sides of two bottom plates (7) all are connected with arc telescopic link (15) through the round pin axle rotation, and the bottom of four arc telescopic link (15) respectively with adjacent one supporting leg (14) between through the round pin axle rotation connection, and the outside of four arc telescopic link (15) all overlaps and is equipped with third extrusion spring (16).
3. The shockproof undercarriage for unmanned aerial vehicles according to claim 1, wherein two sides of the two connecting plates (3) respectively located at the inner side portions of the two grooves (18) are fixedly connected with second sliding blocks (19), and the second sliding blocks (19) are slidably connected with the inner walls of the grooves (18) through second sliding rails (20).
4. The shockproof undercarriage for unmanned aerial vehicles according to claim 1, wherein two elastic buffer wheels (6) are fixedly connected to the bottoms of the two connecting plates (3), and the bottoms of the elastic buffer wheels (6) are attached to the bottom of the groove (18).
5. The shockproof undercarriage for unmanned aerial vehicles according to claim 1, wherein two inner sides of the two grooves (18) are provided with telescopic rods (5), one ends of the telescopic rods (5) are rotatably connected with the inner walls of the grooves (18) through pin shafts, and the other ends of the telescopic rods (5) are rotatably connected with the lower parts of the connecting plates (3) through pin shafts.
6. Shockproof undercarriage for unmanned aerial vehicles according to claim 1, characterized in that the bottom ends of the four support legs (14) are each fixedly connected with a wheel body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115808.6A CN112357067A (en) | 2020-10-19 | 2020-10-19 | Unmanned aerial vehicle undercarriage that takes precautions against earthquakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115808.6A CN112357067A (en) | 2020-10-19 | 2020-10-19 | Unmanned aerial vehicle undercarriage that takes precautions against earthquakes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112357067A true CN112357067A (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011115808.6A Withdrawn CN112357067A (en) | 2020-10-19 | 2020-10-19 | Unmanned aerial vehicle undercarriage that takes precautions against earthquakes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112357067A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148121A (en) * | 2021-03-25 | 2021-07-23 | 杭州科技职业技术学院 | Unmanned aerial vehicle undercarriage structure |
| CN113859519A (en) * | 2021-10-18 | 2021-12-31 | 中国电信股份有限公司 | Undercarriage and unmanned aerial vehicle |
-
2020
- 2020-10-19 CN CN202011115808.6A patent/CN112357067A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113148121A (en) * | 2021-03-25 | 2021-07-23 | 杭州科技职业技术学院 | Unmanned aerial vehicle undercarriage structure |
| CN113859519A (en) * | 2021-10-18 | 2021-12-31 | 中国电信股份有限公司 | Undercarriage and unmanned aerial vehicle |
| CN113859519B (en) * | 2021-10-18 | 2024-07-26 | 中国电信股份有限公司 | Undercarriage and unmanned aerial vehicle |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210212 |