CN107856846B - Unmanned plane - Google Patents
Unmanned plane Download PDFInfo
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- CN107856846B CN107856846B CN201610841395.7A CN201610841395A CN107856846B CN 107856846 B CN107856846 B CN 107856846B CN 201610841395 A CN201610841395 A CN 201610841395A CN 107856846 B CN107856846 B CN 107856846B
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- Prior art keywords
- unmanned aerial
- aerial vehicle
- foot
- fixing
- air bag
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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
- B64C25/54—Floats
- B64C25/56—Floats inflatable
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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
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
Abstract
The invention discloses an unmanned aerial vehicle, comprising: the air bag foot pad comprises a machine body, a plurality of foot frames and a plurality of hollow air bag foot pads, wherein the foot frames are arranged at the bottom of the machine body; the air bag foot pads are respectively arranged at the bottoms of the foot frames, filling gas is filled in each air bag foot pad, and the density of the filling gas is smaller than that of the air. According to the unmanned aerial vehicle disclosed by the invention, the air bag foot pad filled with the filling gas is arranged at the bottom of the foot rest of the unmanned aerial vehicle, so that an upward force can be provided for the unmanned aerial vehicle, the flight time of the unmanned aerial vehicle is effectively prolonged, and the unmanned aerial vehicle can stably float on the water surface when the unmanned aerial vehicle lands on the water surface, and the unmanned aerial vehicle is prevented from entering water. In addition, the contact area of unmanned aerial vehicle and ground or the surface of water can also be increased, and the impact force of ground or the surface of water to unmanned aerial vehicle is alleviated effectively to unmanned aerial vehicle has been protected effectively, unmanned aerial vehicle's reliability has been improved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle.
Background
Unmanned aerial vehicle for example civilian unmanned aerial vehicle can make unmanned aerial vehicle bubble water on water if descend on water at the state of out of control when river limit, lake or seaside flight to burn out electronic component and lead to unmanned aerial vehicle to damage, and unmanned aerial vehicle when the regional flight of no water, also can lead to unmanned aerial vehicle to receive the damage or damage if descending in uneven place.
In the correlation technique, set up the callus on the sole on unmanned aerial vehicle's foot rest usually, the callus on the sole is the flexible glue of fritter, and the material is silica gel or rubber, and the callus on the sole can play certain cushioning effect when unmanned aerial vehicle descends, however unmanned aerial vehicle descends when the surface of water, and unmanned aerial vehicle can't float in the surface of water, and unmanned aerial vehicle descends when the ground of injustice, also hardly plays the guard action for unmanned aerial vehicle requires higherly to the place of taking off or descending.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a drone which is highly reliable, has a long flight time and requires less space for landing.
The unmanned aerial vehicle according to the invention comprises: a body; the plurality of foot stands are arranged at the bottom of the machine body; the foot rest comprises a plurality of hollow air bag foot pads, wherein the plurality of air bag foot pads are respectively arranged at the bottoms of the foot rests, filling gas is filled in each air bag foot pad, and the density of the filling gas is smaller than that of air.
According to the unmanned aerial vehicle disclosed by the invention, the air bag foot pad filled with the filling gas is arranged at the bottom of the foot rest of the unmanned aerial vehicle, so that an upward force can be provided for the unmanned aerial vehicle, the flight time of the unmanned aerial vehicle is effectively prolonged, and the unmanned aerial vehicle can stably float on the water surface when the unmanned aerial vehicle lands on the water surface, and the unmanned aerial vehicle is prevented from entering water. In addition, the contact area of unmanned aerial vehicle and ground or the surface of water can also be increased, and the impact force of ground or the surface of water to unmanned aerial vehicle is alleviated effectively to unmanned aerial vehicle has been protected effectively, unmanned aerial vehicle's reliability has been improved.
In addition, the unmanned aerial vehicle according to the invention can also have the following additional technical features:
according to some embodiments of the invention, the area of the bottom surface of the air bladder footbed is greater than the area of the upper surface of the air bladder footbed.
Specifically, the upper surface of the air bag foot pad and the bottom surface of the air bag foot pad are in smooth transition.
According to some embodiments of the present invention, the sum of the areas of the bottom surfaces of the plurality of airbag foot pads is S1, the orthographic projection area of the body on the landing surface is S2, and the S1 and S2 satisfy: s1 is more than or equal to S2.
Specifically, the wall thickness of each air bag footpad is t, and t satisfies: t is more than or equal to 0.5 mm.
Optionally, the height of each of the air bag footpads is h, and h satisfies: h is more than or equal to 12 mm.
According to some embodiments of the invention, each of the foot rests comprises: the two support frames are arranged at intervals, one ends of the two support frames are connected with the machine body, and the other ends of the two support frames extend towards the direction far away from the machine body; the connecting rib is connected between the other ends of the two support frames; the upper surface of the air bag foot pad is provided with a groove which is concave towards the bottom surface of the air bag foot pad, and the connecting ribs are matched in the groove.
Furthermore, at least one fixing column is arranged on the upper surface of the connecting rib, at least one fixing sheet assembly is arranged on the upper surface of the air bag foot pad, each fixing sheet assembly comprises two fixing sheets which are arranged side by side in the vertical direction, each fixing sheet is provided with a fixing hole matched with the fixing column, one of the two fixing sheets is pivotally arranged on one side of the groove, and the other fixing sheet is pivotally arranged on the other side of the groove.
According to some specific embodiments of the present invention, the number of the fixing posts is plural, and the plural fixing posts are arranged at intervals along the length direction of the connecting rib; the fixing piece assemblies are multiple, and the fixing pieces correspond to the fixing columns one by one respectively.
Specifically, the upper surface of the connecting rib is lower than the upper edge of the groove.
Optionally, the airbag foot pad is a silicone or rubber member.
According to some embodiments of the invention, the fill gas is hydrogen.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a drone according to an embodiment of the invention;
FIG. 2 is an enlarged view of portion A circled in FIG. 1;
figure 3 is a partial cutaway view of a drone according to an embodiment of the present invention;
FIG. 4 is an enlarged view of portion B circled in FIG. 3;
figure 5 is a side view of a drone according to an embodiment of the present invention;
FIG. 6 is an enlarged view of the circled portion C of FIG. 5;
fig. 7 is a bottom view of a drone according to an embodiment of the invention;
FIG. 8 is a top view of a pair of airbag foot pads of a drone according to an embodiment of the present invention;
fig. 9 is a partial cross-sectional view of a pair of air bag foot pads of a drone according to an embodiment of the present invention;
FIG. 10 is a side view of a pair of airbag foot pads of a drone according to an embodiment of the present invention;
fig. 11 is a bottom view of a pair of air bag foot pads of a drone according to an embodiment of the present invention.
Reference numerals:
the drone 100 is provided with a display screen for displaying the video,
the body 1, the arm 11,
a foot rest 2, a support frame 21, a connecting rib 22, a fixing column 221,
the air bag foot pad 3, the groove 31, the fixing piece assembly 32, the lower fixing piece 321, the upper fixing piece 322, the fixing hole 323 and the inflation inlet 33.
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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A drone 100 according to an embodiment of the invention is described below with reference to fig. 1-11. Wherein, unmanned aerial vehicle 100 can be civilian unmanned aerial vehicle 100, and unmanned aerial vehicle 100 can be used for spraying insecticide etc..
As shown in fig. 1, a drone 100 according to an embodiment of the invention includes: the device comprises a machine body 1, a plurality of foot stands 2 and a plurality of hollow air bag foot pads 3. Here, it is to be noted that, in the description of the present invention, the meaning of "a plurality" is two or more unless otherwise specified.
Specifically, the machine body 1 may be formed in a substantially cylindrical shape, and a plurality of foot rests 2 are provided at the bottom of the machine body 1; a plurality of gasbag callus on the sole 3 are established respectively in the bottom of a plurality of foot rests 2, for example, refer to fig. 1, 3 and 5, and the bottom of unmanned aerial vehicle 100 organism 1 is equipped with two foot rests 2, and the bottom of every foot rest 2 is equipped with a hollow gasbag callus on the sole 3. The air bag foot pads 3 correspond to the foot frames 2 one by one. The two airbag mats 3 may be symmetrically disposed. From this, when unmanned aerial vehicle 100 descends, can increase the area of contact of unmanned aerial vehicle 100 with ground or the surface of water to ground or the surface of water play the guard action to unmanned aerial vehicle 100's impact force when can buffering unmanned aerial vehicle 100 descends, have reduced unmanned aerial vehicle 100 to the requirement in the place of taking off and landing and the place of taking off.
Each air bag foot pad 3 is filled with filling gas, and the density of the filling gas is less than that of air. From this, can provide ascending power for unmanned aerial vehicle 100 through gasbag callus on the sole 3, and can alleviate gasbag callus on the sole 3's weight, reduce unmanned aerial vehicle 100's flight resistance.
For example, when the drone 100 is flying, the airbag foot pads 3 may provide an upward lift force for the drone 100, extending the flight time of the drone 100; when the unmanned aerial vehicle 100 lands on the water surface, the airbag foot pads 3 can provide upward buoyancy for the unmanned aerial vehicle 100, the contact area between the unmanned aerial vehicle 100 and the water surface is increased, and the impact force of the water surface on the unmanned aerial vehicle 100 is reduced, so that the unmanned aerial vehicle 100 can stably float on the water surface, and the part above the airbag foot pads 3 of the unmanned aerial vehicle 100 is prevented from being immersed in the water, thereby effectively preventing the electronic elements of the unmanned aerial vehicle 100 from entering the water, avoiding the damage of the unmanned aerial vehicle 100, improving the reliability of the unmanned aerial vehicle 100, and prolonging the service life of the; when unmanned aerial vehicle 100 descends subaerial, the ascending power of gasbag callus on the sole 3 can offset partly gravity, alleviate unmanned aerial vehicle 100's gravity, and can reduce unmanned aerial vehicle 100's the speed of landing to can cushion unmanned aerial vehicle 100 and descend in the ground to in the face of unmanned aerial vehicle 100's impact force, play the guard action, reduced unmanned aerial vehicle 100 to descending the place and take off the requirement in place.
Referring to fig. 1, 3, 5 and 7, an extendable arm 11 is provided on the body 1 of the drone 100. The horn 11 can be a plurality of, and a plurality of horns 11 are established in the upper end of organism 1, and a plurality of horns 11 evenly spaced along the circumference of organism 1 and set up.
According to the unmanned aerial vehicle 100 provided by the embodiment of the invention, the airbag foot pad 3 filled with the filling gas is arranged at the bottom of the foot rest 2 of the unmanned aerial vehicle 100, so that an upward force can be provided for the unmanned aerial vehicle 100, the flight time of the unmanned aerial vehicle 100 is effectively prolonged, and when the unmanned aerial vehicle 100 lands on the water surface, the unmanned aerial vehicle 100 can stably float on the water surface, and the unmanned aerial vehicle 100 is prevented from entering water. In addition, can also increase the area of contact of unmanned aerial vehicle 100 with ground or the surface of water, alleviate ground or the surface of water effectively to unmanned aerial vehicle 100's impact force to protect unmanned aerial vehicle 100 effectively, improve unmanned aerial vehicle 100's reliability.
According to some embodiments of the present invention, the area of the bottom surface of the airbag cushion 3 is larger than the area of the upper surface of the airbag cushion 3. From this, can increase the area of contact of gasbag callus on the sole 3 and ground or surface of water and can reduce the resistance when unmanned aerial vehicle 100 takes off and flies.
Specifically, referring to fig. 1, 2, 7, 8 and 11, the upper surface of the airbag cushion 3 is smoothly transited to the bottom surface of the airbag cushion 3. The shape of the upper surface of the airbag cushion 3 is substantially the same as the shape of the bottom surface of the airbag cushion 3. Wherein, the outer side of the upper surface of the airbag cushion 3 may be formed as an arc line protruding outward, and the inner side of the upper surface of the airbag cushion 3 may be formed as a straight line. The outer side and the inner side of the upper surface of the air bag foot pad 3 are smoothly transited. Specifically, the outer side of the airbag foot pad 3 may be formed as a circular arc surface, and the front and rear ends of the airbag foot pad 3 are formed in a triangle-like shape. From this, can reduce further the resistance when unmanned aerial vehicle 100 takes off and flies, and can reduce the resistance when unmanned aerial vehicle 100 flies forward and flies backward.
Here, it should be noted that, the side of the airbag foot pad 3 away from the central axis of the unmanned aerial vehicle 100 body 1 may be understood as the outer side in the present application, and the side of the airbag foot pad 3 close to the central axis of the unmanned aerial vehicle 100 body 1 may be understood as the inner side in the present application.
According to some embodiments of the present invention, the sum of the areas of the bottom surfaces of the plurality of airbag footpads 3 is S1, the orthographic projection area of the body 1 on the landing surface is S2, and S1 and S2 satisfy: s1 is more than or equal to S2. From this, can improve the stability that unmanned aerial vehicle 100 fell on the landing face, tumble when preventing unmanned aerial vehicle 100 from descending to unmanned aerial vehicle 100's reliability has further been improved.
Here, the orthographic projection area of the body 1 on the landing surface does not include the orthographic projection area of the expanded boom 11 on the landing surface, that is, the orthographic projection area of the body 1 on the landing surface means the orthographic projection area of the body 1 on the landing surface when the boom 11 is in the contracted state (as shown in fig. 1).
Specifically, as shown in fig. 4, the wall thickness of each airbag mat 3 is t, t satisfying: t is more than or equal to 0.5 mm. The specific value can be adjusted and designed according to the actual requirement. For example, the wall thickness t of the airbag cushion 3 may further satisfy: t is 0.5mm, t is 0.8mm, t is 1mm, etc. From this, can improve gasbag callus on the sole 3's wearability and reliability, prevent that gasbag callus on the sole 3 from breaking, prolonged gasbag callus on the sole 3's life.
Alternatively, as shown in fig. 4, the height h of each airbag mat 3 satisfies: h is more than or equal to 12 mm. The specific value can be adjusted and designed according to the actual weight of the unmanned aerial vehicle 100, and specifically, the larger the weight of the unmanned aerial vehicle 100 is, the higher the height of the airbag foot pad 3 is to be made. For example, the height h of each airbag foot pad 3 may further satisfy: h is 12mm, h is 15mm, etc. From this, can guarantee that gasbag callus on the sole 3 can play the guard action to unmanned aerial vehicle 100, further improve unmanned aerial vehicle 100's reliability.
Here, the height h of the airbag cushion 3 may be understood as the length of a perpendicular line from the bottom surface of the airbag cushion 3 to the upper surface of the airbag cushion 3.
Specifically, the air bag foot pad 3 may be provided with an inflation port 33, and the user may fill the air bag foot pad 3 with the filling gas through the inflation port 33. For example, in the example of fig. 8, the inflation port 33 may be provided on the upper surface of the airbag cushion 3, and the inflation port 33 may be located at the rear end of the airbag cushion 3.
According to some embodiments of the invention, each foot rest 2 comprises: two support frames 21 and a connecting rib 22, the two support frames 21 are arranged at intervals, one ends (for example, the upper ends in fig. 1) of the two support frames 21 are connected with the machine body 1, and the other ends (for example, the lower ends in fig. 1) of the two support frames 21 extend in a direction away from the machine body 1. For example, referring to fig. 1 in conjunction with fig. 5, two support frames 21 are provided spaced apart in the front-rear direction of the machine body 1. The other ends of the two support frames 21 may extend in a vertical direction or may extend obliquely in a direction away from each other. For example, in the example of fig. 5, the above-mentioned other ends of the two support frames 21 extend in the vertical direction. From this, can reduce the occupation space of foot rest 2 to reduce unmanned aerial vehicle 100's whole volume, improved unmanned aerial vehicle 100's security and reliability.
The connecting rib 22 is connected between the other ends (e.g., lower ends in fig. 1) of the two support frames 21, a groove 31 recessed toward the bottom surface of the airbag cushion 3 is provided on the upper surface of the airbag cushion 3, and the connecting rib 22 is fitted in the groove 31. Referring to fig. 1-4 in conjunction with fig. 8, the connecting rib 22 may be formed in an outwardly convex arc shape, and the groove 31 is also formed in an outwardly convex arc shape, and the shape of the connecting rib 22 is adapted to the shape of the groove 31. The longitudinal section of the groove 31 may be formed substantially in a U-shape or the like. Therefore, the connecting piece is matched with the groove 31, the air bag foot pad 3 can be fixed on the foot rest 2, the structure is simple, and the assembly is convenient.
Specifically, referring to fig. 3-6, the upper surface of the tie-bar 22 is lower than the upper edge of the groove 31. Wherein the upper edge of the groove 31 is flush with the upper surface of the airbag cushion 3. That is, the upper surface of the connecting bead 22 is lower than the upper surface of the airbag cushion 3. From this, when installing gasbag callus on the sole 3 on foot rest 2, the splice bar 22 can sink into in recess 31 the inside, guarantees the reliability of being connected of splice bar 22 and gasbag callus on the sole 3 to unmanned aerial vehicle 100's reliability and security have been improved.
Further, at least one fixing post 221 is provided on the upper surface of the connecting rib 22, and at least one fixing tab assembly 32 is provided on the upper surface of the airbag cushion 3. The number of the fixing posts 221 may be one or more, and the number of the fixing tab assemblies 32 may be one or more. For example, referring to fig. 1, 2, 8 and 10, the fixing post 221 is plural (e.g., three, etc.), and the fixing piece assembly 32 is plural (e.g., three, etc.). A plurality of fixed columns 221 are arranged along the length direction of the connecting rib 22 at intervals, and a plurality of fixed sheet assemblies 32 are arranged along the length direction of the groove 31 at intervals. The plurality of fixing sheet assemblies 32 correspond to the plurality of fixing columns 221 one by one. Among them, the fixing post 221 may be formed in a cylindrical shape, the fixing post 221 may extend in a vertical direction, and the fixing hole 323 may be formed as a circular through hole adapted to the fixing post 221, but is not limited thereto.
Referring to fig. 9, each of the fixing plate assemblies 32 includes two fixing plates arranged side by side in the up-down direction, each of which is provided with a fixing hole 323 to be fitted with the fixing post 221, one of the two fixing plates being pivotably provided at one side (e.g., a left side in fig. 9) of the recess 31, and the other of the two fixing plates being pivotably provided at the other side (e.g., a right side in fig. 9) of the recess 31. For convenience of description, a lower fixing piece of each fixing piece assembly 32 is referred to as a "lower fixing piece 321", and an upper fixing piece of each fixing piece assembly 32 is referred to as an "upper fixing piece 322".
In the assembling process, when the airbag foot pad 3 is not filled with filling gas or filled with filling gas, the upper fixing piece 322 and the lower fixing piece 321 in the fixing piece assembly 32 are respectively turned towards the direction away from the groove 31, then the connecting rib 22 is placed in the groove 31, then the lower fixing piece 321 is sleeved on the fixing column 221, so that the fixing column 221 penetrates through the fixing hole 323 in the lower fixing piece 321, then the upper fixing piece 322 is sleeved on the fixing column 221, so that the fixing column 221 penetrates through the fixing hole 323 in the upper fixing piece 322, finally, the airbag foot pad 3 is filled with filling gas, the volume of the airbag foot pad 3 is expanded after the gas is filled, and the connecting rib 22 can be firmly clamped in the groove 31. This can further improve the tightness and reliability of the connection between the airbag mat 3 and the foot frame 2.
Alternatively, the airbag mat 3 may be a silicone member or a rubber member, or the like. It is understood that the air bag foot pad 3 may be made of other soft wear-resistant materials capable of sealing air. The silica gel and the rubber have good wear resistance, flexibility and sealing property and low material cost.
According to some embodiments of the present invention, the anchor sheet assembly 32 is integrally formed with the airbag cushion 3. Simple process and convenient processing.
Alternatively, the fixing posts 221 and the connecting ribs 22 may be integrally formed.
According to some embodiments of the invention, the fill gas may be hydrogen. The density of hydrogen is little, can increase gasbag callus on the sole 3 upwards buoyancy to unmanned aerial vehicle 100 provides effectively, has prolonged unmanned aerial vehicle 100's flight time.
It will be understood, of course, that the fill gas may be other gases, such as helium, etc., as long as the density is less than air, as specifically defined herein.
Other configurations and operating principles of the drone 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
According to the unmanned aerial vehicle 100 provided by the embodiment of the invention, the hollow airbag foot pad 3 filled with filling gas is arranged at the bottom of the foot rest 2 of the unmanned aerial vehicle 100, the airbag foot pad 3 is good in flexibility and large in contact surface with the ground or the water surface, so that the impact force of the ground or the water surface on the unmanned aerial vehicle 100 when the unmanned aerial vehicle 100 lands can be relieved, an upward force can be provided for the unmanned aerial vehicle 100, the flight time of the unmanned aerial vehicle 100 is prolonged, the landing speed of the unmanned aerial vehicle 100 is reduced, and the impact force of the ground or the water surface on the unmanned aerial vehicle 100 is further. In addition, when unmanned aerial vehicle 100 descends on the surface of water, gasbag callus on the sole 3 can make unmanned aerial vehicle 100 float on the surface of water steadily, prevents that unmanned aerial vehicle 100 from damaging because of intaking.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. An unmanned aerial vehicle, comprising:
a body;
the plurality of foot stands are arranged at the bottom of the machine body;
the foot rest comprises a plurality of hollow air bag foot pads, a plurality of air bag foot pads and a plurality of foot rests, wherein the plurality of air bag foot pads are respectively arranged at the bottoms of the plurality of foot rests, filling gas is filled in each air bag foot pad, and the density of the filling gas is smaller than that of air; when the unmanned aerial vehicle flies, filling gas is filled in the airbag foot pad;
each of the foot rests includes: the two support frames are arranged at intervals, one ends of the two support frames are connected with the machine body, and the other ends of the two support frames extend towards the direction far away from the machine body; the connecting rib is connected between the other ends of the two support frames; the upper surface of the air bag foot pad is provided with a groove which is concave towards the bottom surface of the air bag foot pad, and the connecting ribs are matched in the groove.
2. The drone of claim 1, wherein an area of a bottom surface of the air bladder foot pad is greater than an area of an upper surface of the air bladder foot pad.
3. The drone of claim 2, wherein the upper surface of the air bladder foot pad is rounded to the bottom surface of the air bladder foot pad.
4. The unmanned aerial vehicle of claim 1, wherein the sum of the areas of the bottom surfaces of the plurality of airbag foot pads is S1, the orthographic projection area of the airframe on the landing surface is S2, and S1 and S2 satisfy: s1 is more than or equal to S2.
5. The unmanned aerial vehicle of claim 1, wherein the wall thickness of each air cell footpad is t, and t satisfies: t is more than or equal to 0.5 mm.
6. The drone of claim 1, wherein each of the air bag footpads has a height h, the h satisfying: h is more than or equal to 12 mm.
7. The unmanned aerial vehicle of claim 1, wherein the upper surface of the connecting rib is provided with at least one fixing column, the upper surface of the airbag foot pad is provided with at least one fixing sheet assembly, each fixing sheet assembly comprises two fixing sheets arranged side by side in the vertical direction, each fixing sheet is provided with a fixing hole matched with the fixing column, one of the two fixing sheets is pivotally arranged on one side of the groove, and the other fixing sheet is pivotally arranged on the other side of the groove.
8. A drone according to claim 7,
the number of the fixing columns is multiple, and the fixing columns are arranged at intervals along the length direction of the connecting rib;
the fixing piece assemblies are multiple, and the fixing pieces correspond to the fixing columns one by one respectively.
9. The drone of claim 1, wherein an upper surface of the connector bar is lower than an upper edge of the groove.
10. The drone of claim 1, wherein the air bag foot pad is a silicone or rubber piece.
11. A drone according to claim 1, characterised in that the filling gas is hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610841395.7A CN107856846B (en) | 2016-09-22 | 2016-09-22 | Unmanned plane |
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| CN201610841395.7A CN107856846B (en) | 2016-09-22 | 2016-09-22 | Unmanned plane |
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| CN107856846A CN107856846A (en) | 2018-03-30 |
| CN107856846B true CN107856846B (en) | 2020-03-31 |
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| CN108891587A (en) * | 2018-07-23 | 2018-11-27 | 河南机电职业学院 | A kind of unmanned plane with air bag |
| CN110341837B (en) * | 2019-07-02 | 2020-10-27 | 湖州海明机械科技有限公司 | Bicycle support |
| CN113173083A (en) * | 2021-04-27 | 2021-07-27 | 上海赛信航空科技有限公司 | Many rotor unmanned aerial vehicle of electrodynamic type |
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| CA2557771A1 (en) * | 2006-08-21 | 2008-02-21 | Peter Dang | Hybrid airship |
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