CN112278250A - Fixed wing unmanned aerial vehicle capable of taking off and landing on snow - Google Patents
Fixed wing unmanned aerial vehicle capable of taking off and landing on snow Download PDFInfo
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- CN112278250A CN112278250A CN202011224011.XA CN202011224011A CN112278250A CN 112278250 A CN112278250 A CN 112278250A CN 202011224011 A CN202011224011 A CN 202011224011A CN 112278250 A CN112278250 A CN 112278250A
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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
- B64C25/52—Skis or runners
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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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- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a fixed wing unmanned aerial vehicle capable of taking off and landing on snow, which comprises a body, wherein an engine is detachably mounted at the top end of the body, one end of the engine is rotatably connected with a rotor wing, an empennage is fixedly mounted at one side of the body, a steel plate is embedded in the body, a front undercarriage and a main undercarriage are sequentially mounted at the bottom end of the body from left to right, and sledges are detachably mounted at the bottom ends of the main undercarriage and the front undercarriage. According to the invention, the movable plate and the electric telescopic rod are arranged, the electric telescopic rod is utilized to drive the movable plate to be screwed out from the front end of the unmanned aerial vehicle body, the protection effect of the movable plate is utilized, snow piles are prevented from directly impacting precise parts inside the unmanned aerial vehicle body, the safety of parts inside the unmanned aerial vehicle body is further ensured, the practicability of the device is increased, and meanwhile, the protection steel plate at the bottom end of the unmanned aerial vehicle body is utilized, so that the parts inside the unmanned aerial vehicle body are less worn when a flight accident happens, and the cost of single flight of the unmanned aerial vehicle is further reduced.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a fixed-wing unmanned aerial vehicle capable of taking off and landing on snow.
Background
Unmanned aircraft is called unmanned aerial vehicle for short, and is called UAV in English by short, and is an unmanned aircraft operated by utilizing a radio remote control device and a self-contained program control device, or is completely or intermittently and autonomously operated by an on-board computer, compared with the unmanned aircraft, the unmanned aircraft is more suitable for tasks too 'fool, dirty or dangerous', the unmanned aircraft can be divided into military and civil according to the application field, and the unmanned aircraft can be divided into reconnaissance aircraft and target aircraft in the military, and the unmanned aircraft is really just needed in the civil aspect, and applied to the industry; at present, in the application in fields such as aerial photography, agriculture, plant protection, miniature autodyne, express delivery transportation, disaster relief, observe wild animal, control infectious disease, survey and drawing, news report, electric power is patrolled and examined, relief, movie & TV is shot, make romantic etc. the great use that has expanded unmanned aerial vehicle itself, developed country is also in the active expansion industry application and development unmanned aerial vehicle technique, the relevant technological rapid development of domestic and foreign unmanned aerial vehicle, unmanned aerial vehicle system is various, the wide characteristics of use are vivid, cause it to have great difference in many-sided aspects such as size, quality, range, time of flight, flight height, flight speed, task, because unmanned aerial vehicle's variety, because different classification methods have in the consideration of difference: according to the classification of flight platform configuration, unmanned aerial vehicle can divide into fixed wing unmanned aerial vehicle, rotor unmanned aerial vehicle, unmanned dirigible, umbrella wing unmanned aerial vehicle, flapping wing unmanned aerial vehicle etc..
In practical use, there still exist some disadvantages, such as:
the utility model provides a, current unmanned aerial vehicle does not possess the special subassembly that slides in the snow, when taking off and land in the snow, the tire of unmanned aerial vehicle bottom can sink into in the snow, consequently can't be high-efficient, safe rise in the snow or descend, consequently the adaptation scope that leads to the device is little, can't satisfy the lift under the multiple environment, consequently has reduced the device's practical effect and value.
Two, current unmanned aerial vehicle bottom does not possess the elastic component design, has consequently led to unmanned aerial vehicle when descending, does not possess certain turned angle in unmanned aerial vehicle's the every single move direction, and the certain pitch gesture angular difference of unable adaptation during the landing has led to unmanned aerial vehicle's descending safety probability low, especially under the snowfield environment, has further increased unmanned aerial vehicle and has taken place the probability of turning on one's side and empty overturning, can't satisfy unmanned aerial vehicle's daily demand.
When using, the unmanned aerial vehicle that has now because when unmanned aerial vehicle descends, the direct snow heap contact with the bottom surface on fuselage bottom front end, consequently cause the damage of fuselage easily, be unfavorable for the device's repeated multiple use, also increased the inside precision parts of fuselage simultaneously and received the probability of damage, increased single flight cost.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a fixed-wing unmanned aerial vehicle capable of taking off and landing on snow, the movable plate and the electric telescopic rod are arranged, the electric telescopic rod is used for driving the movable plate to screw out from the front end of the body, the protection effect of the movable plate is utilized, snow piles are prevented from directly impacting precise parts inside the body, the safety of parts inside the body is further ensured, the practicability of the device is increased, meanwhile, the protection steel plate at the bottom end of the body is utilized, so that the abrasion of the parts inside the body is smaller when a flying accident happens, the cost of single flight of the unmanned aerial vehicle is further reduced, the practical value of the device is further increased, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a fixed wing unmanned aerial vehicle capable of taking off and landing on snow comprises a body, wherein an engine is detachably arranged at the top end of the body, one end of the engine is rotatably connected with a rotor wing, one side of the body is fixedly provided with a tail wing, a steel plate is embedded in the machine body, a front undercarriage and a main undercarriage are sequentially arranged at the bottom end of the machine body from left to right, sledges are detachably mounted at the bottom ends of the main landing gear and the nose landing gear, wings are fixedly connected to the surface of the machine body, the bottom end of the machine body far away from one side is rotatably connected with a movable baffle, the other end of the movable baffle is detachably provided with an electric telescopic rod, the other end of the electric telescopic rod is fixedly provided with a fixed seat, the surface of the fixed seat is detachably provided with an arc-shaped bent plate, an elastic diaphragm is fixedly bonded on the surface of the movable baffle, and a protective steel plate is embedded and mounted at the bottom end inside the machine body;
the device comprises a supporting column, wherein a triangular stabilizing plate is detachably mounted at the bottom end of the supporting column, a connecting plate is fixedly mounted at the bottom end of the triangular stabilizing plate, a fixed inclined plate is rotatably connected at the bottom end of the connecting plate, a telescopic cylinder is rotatably connected on the surface of the fixed inclined plate, a movable axis is rotatably connected at the top end of the telescopic cylinder, and a base is rotatably mounted at the bottom end of the fixed inclined plate;
the nose landing gear comprises a nose landing gear, a connecting column is fixedly installed at the bottom end of the nose landing gear, a straight plate is rotatably connected to the surface of the nose landing gear, a movable inclined plate is rotatably connected to the bottom end of the straight plate, and a fixed support is rotatably connected to the other end of the movable inclined plate.
In a preferred embodiment, the thickness of the steel plate ranges from one millimeter to five millimeters, the overall shape of the steel plate is matched with that of the fuselage, and the outer surface of the steel plate is uniformly coated with a hydrophobic coating layer.
In a preferred embodiment, the number of the main landing gears is two, the two main landing gears are respectively located at the left side and the right side of the fuselage, and the two main landing gears and the nose landing gear are distributed on the bottom end surface of the fuselage in a triangular mode.
In a preferred embodiment, the top end of the movable baffle is rotatably connected with the machine body through a rotating shaft rod, and the surface of the rotating shaft rod is uniformly coated with a layer of lubricating coating.
In a preferred embodiment, the other end of the elastic diaphragm is fixedly bonded to the inner wall surface of the machine body, the length value of the elastic diaphragm is matched with that of the movable baffle, the thickness value range of the elastic diaphragm is from one millimeter to three millimeters, the elastic diaphragm is located under the electric telescopic rod, two ends of the arc-shaped bent plate are fixedly connected with the inner surface of the machine body, the arc-shaped bent plate is arc-shaped, anticorrosive paint is coated on the surface of the protection steel plate, and the surface of the protection steel plate is tightly attached to the surface of the protection steel plate.
In a preferred embodiment, a triangular stable structure is formed among the triangular stabilizing plate, the fixed inclined plate and the telescopic cylinder, the included angle between the triangular stabilizing plate and the fixed inclined plate is greater than ninety degrees, a layer of low-concentration lubricating oil is uniformly coated on the outer surface of the telescopic cylinder, and the telescopic cylinder is made of a metal component.
In a preferred embodiment, the other end of the telescopic cylinder is rotatably connected with the triangular stabilizing plate through a movable shaft center, and the inclination angle of the telescopic cylinder ranges from fifteen degrees to thirty-five degrees.
In a preferred embodiment, the diameter value of the connecting column is smaller than that of the nose landing gear, the other end of the connecting column is rotatably connected with the movable inclined plate through a movable rotating shaft, and the length value of the straight plate ranges from fifteen centimeters to twenty centimeters.
In a preferred embodiment, the overall shape of the fixed support is triangular, and the fixed support, the connecting column and the nose landing gear are located on the same horizontal line.
The invention has the technical effects and advantages that:
1. according to the invention, the movable plate and the electric telescopic rod are arranged, the electric telescopic rod is utilized to drive the movable plate to screw out from the front end of the machine body, the protection effect of the movable plate is utilized, snow piles are prevented from directly impacting precise parts inside the machine body, the safety of parts inside the machine body is further ensured, the practicability of the device is increased, and meanwhile, the protection steel plate at the bottom end of the machine body is utilized, so that the abrasion of the parts inside the machine body is smaller when a flight accident happens, the cost of single flight of the unmanned aerial vehicle is further reduced, and the practical value of the device is further increased;
2. the single engine is arranged, and the single engine is arranged in a high-position rear-pushing mode, so that the snow blowing phenomenon during take-off of the snowfield is reduced;
3. according to the invention, by arranging the layout that the thrust line of the motor is higher than the parting surface of the machine body, when the unmanned aerial vehicle slides on a snow surface, the propeller is far away from the ground, and is not easy to damage when rotating at a high speed;
4. the landing wings are arranged, so that the landing wings are not easy to contact the ground when the landing wings slide on the snow surface, and the landing wings are safer;
5. the invention has the advantages that through the arrangement of the elastic connection design of the bottom sledge, a certain rotation angle can be formed in the pitching direction, and a certain pitching attitude angle difference can be adapted during landing;
6. the invention has the advantages that the sledge, the main undercarriage and the nose undercarriage are arranged, the tyre is replaced by the sledge of the undercarriage, the landing area of the sledge is large, the unmanned aerial vehicle can be prevented from being sunk into the snow, and good sliding capability can be provided on the snow, so that the unmanned aerial vehicle can take off and land on soft snow.
7. According to the invention, the protection plate and the electric telescopic rod are arranged, and the electric telescopic rod is utilized to drive the protection plate to extend out, so that the snow pile is prevented from directly contacting with precision parts in the machine body, the distance between the snow pile and the machine body is increased, and the practical value of the device is further improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 4 is an enlarged schematic view of fig. 1 at B according to the present invention.
Fig. 5 is an enlarged schematic view of fig. 1 at C according to the present invention.
Fig. 6 is a partial structural view of the fuselage of the present invention.
Fig. 7 is a schematic diagram of a half-section structure of the present invention.
The reference signs are: 1. a body; 2. an engine; 3. a rotor; 4. a tail wing; 5. a steel plate; 6. a main landing gear; 61. a pillar; 62. a triangular stabilizing plate; 63. a connecting plate; 64. fixing the inclined plate; 65. a telescopic cylinder; 66. a movable axis; 67. a base; 7. a nose landing gear; 71. a support pillar; 72. connecting columns; 73. a straight plate; 74. a movable sloping plate; 75. a fixed support; 8. a sled; 9. an airfoil; 10. a movable baffle; 11. a fixed seat; 12. an electric telescopic rod; 13. an arc-shaped bent plate; 14. an elastic diaphragm; 15. and (5) a protective steel plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the attached drawings 1-7, the fixed wing unmanned aerial vehicle capable of taking off and landing on snow comprises a body 1, wherein an engine 2 is detachably mounted at the top end of the body 1, one end of the engine 2 is rotatably connected with a rotor wing 3, an empennage 4 is fixedly mounted at one side of the body 1, a steel plate 5 is embedded and mounted in the body 1, a nose landing gear 7 and a main landing gear 6 are sequentially mounted at the bottom end of the body 1 from left to right, sledges 8 are detachably mounted at the bottom ends of the main landing gear 6 and the nose landing gear 7, wings 9 are fixedly connected to the surface of the body 1, a movable baffle 10 is rotatably connected to the bottom end of the body 1 at the side far away from 6, an electric telescopic rod 12 is detachably mounted at the other end of the movable baffle 10, a fixed seat 11 is fixedly mounted at the other end of, an elastic diaphragm 14 is fixedly adhered to the surface of the movable baffle 10, and a protective steel plate 15 is embedded and installed at the bottom end inside the machine body 1;
the device comprises a support column 61, a triangular stabilizing plate 62 is detachably mounted at the bottom end of the support column 61, a connecting plate 63 is fixedly mounted at the bottom end of the triangular stabilizing plate 62, a fixed inclined plate 64 is rotatably connected at the bottom end of the connecting plate 63, a telescopic cylinder 65 is rotatably connected on the surface of the fixed inclined plate 64, a movable shaft center 66 is rotatably connected at the top end of the telescopic cylinder 65, and a base 67 is rotatably mounted at the bottom end of the fixed inclined plate 64;
the undercarriage 7 comprises a nose landing gear 71, a bottom end fixed mounting connecting column 72 of the nose landing gear 71, a straight plate 73 is rotatably connected to the surface of the nose landing gear 71, a movable inclined plate 74 is rotatably connected to the bottom end of the straight plate 73, and a fixed support 75 is rotatably connected to the other end of the movable inclined plate 74.
The thickness value range of the steel plate 5 is one millimeter to five millimeters, the whole shape of the steel plate 5 is matched with the fuselage 1, a hydrophobic coating layer is uniformly coated on the outer surface of the steel plate 5, the number of the main landing gears 6 is two, the two main landing gears 6 are respectively positioned on the left side and the right side of the fuselage 1, the two main landing gears 6 and the nose landing gears 7 are distributed on the bottom end surface of the fuselage 1 in a triangular mode, the top end of the movable baffle plate 10 is rotatably connected with the fuselage 1 through a rotating shaft rod, a lubricating coating layer is uniformly coated on the surface of the rotating shaft rod, the other end of the elastic diaphragm 14 is fixedly bonded with the inner wall surface of the fuselage 1, the length value of the elastic diaphragm 14 is matched with the length value of the movable baffle plate 10, the thickness value range of the elastic diaphragm 14 is one millimeter to three millimeters, the elastic diaphragm 14 is positioned under the electric telescopic rod 12, and the two ends of the arc-shaped bent, the arc-shaped bent plate 13 is arc-shaped, the surface of the protective steel plate 15 is coated with anticorrosive paint, and the surface of the protective steel plate 15 is tightly attached to the surface of the protective steel plate 1, a triangular stable structure is formed among the triangular stabilizing plate 62, the fixed inclined plate 64 and the telescopic cylinder 65, and the included angle between the triangular stabilizing plate 62 and the fixed sloping plate 64 is more than ninety degrees, a layer of low-concentration lubricating oil is uniformly coated on the outer surface of the telescopic cylinder 65, the whole material of the telescopic cylinder 65 is a metal component, the other end of the telescopic cylinder 65 is rotatably connected with the triangular stabilizing plate 62 through a movable shaft center 66, and the inclination angle range of the telescopic cylinder 65 is fifteen degrees to thirty-five degrees, the diameter value of the connecting column 72 is smaller than that of the nose landing gear 71, and the other end of the connecting column 72 is rotatably connected with the movable inclined plate 74 through a movable rotating shaft, and the length value of the straight plate 73 ranges from fifteen centimeters to twenty centimeters.
Referring specifically to fig. 4 of the specification, the overall shape of the fixed support 75 is triangular, and the fixed support 75 is located on the same horizontal line with the connecting column 72 and the nose landing gear 71.
The implementation mode is specifically as follows: the fixing support 75 is triangular, so that the fixing support 75 has strong anti-deformation effect, and the practical effect of the fixing support 75 is further improved.
The working principle of the invention is as follows:
the first step is as follows: the operator first assembles the various components of the device normally and then starts the device normally.
The second step is that: the operator normally takes off the unmanned aerial vehicle, then when the unmanned aerial vehicle lands, the nose landing gear 7 and the two main landing gears 6 at the bottom end of the unmanned aerial vehicle simultaneously contact the surface of snow through the sledges 8 at the bottom end, then the main landing gear 6 is pressed by the sledges 8, the main landing gear 6 drives the fixed inclined plates 64 and the connecting plates 63 to rotate through the telescopic cylinders 65, so as to reduce the pressure of the snow on the main landing gear 6, avoid the problem that the main landing gear 6 is broken at the moment of contacting the snow, simultaneously, the nose landing gear 7 rotates at the top end of the fixed support 75 through the movable inclined plates 74 and the straight plates 73 under the pressing of the snow, simultaneously, the connecting column 72 rotates on the surface of the movable inclined plates 74, thereby performing damping work on the nose landing gear 7, and simultaneously, when the unmanned aerial vehicle is about to land, the electric telescopic rod 12 is utilized to drive the movable baffle 10 to screw, the protective effect of the movable baffle plate 10 is utilized, the snow pile is prevented from directly impacting the precise part inside the machine body 1, the safety of the internal parts of the machine body 1 is ensured, meanwhile, when the movable baffle plate 10 extends out, the elastic diaphragm 14 is utilized to have an isolation effect, the joint between the movable baffle plate 10 and the machine body 1 is sealed, the safety and the using effect of the device are further increased, and the operation of ascending and descending of the unmanned aerial vehicle on the snowfield is further completed.
The third step: the operator first closes the device normally, then checks whether the fixity between the various components of the device is normal, and then replaces and repairs the more aged and worn parts inside the device.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a fixed wing unmanned aerial vehicle that can take off and land on snow, includes fuselage (1), the top demountable installation of fuselage (1) has engine (2), the one end of engine (2) is rotated and is connected with rotor (3), one side fixed mounting of fuselage (1) has fin (4), its characterized in that: a steel plate (5) is embedded in the machine body (1), a front undercarriage (7) and a main undercarriage (6) are sequentially arranged at the bottom end of the machine body (1) from left to right, the bottom ends of the main landing gear (6) and the nose landing gear (7) are both detachably provided with sledges (8), the surface of the fuselage (1) is fixedly connected with wings (9), the bottom end of the fuselage (1) far away from the side 6 is rotatably connected with a movable baffle (10), the other end of the movable baffle (10) is detachably provided with an electric telescopic rod (12), the other end of the electric telescopic rod (12) is fixedly provided with a fixed seat (11), the surface of the fixed seat (11) is detachably provided with an arc-shaped bent plate (13), an elastic diaphragm (14) is fixedly adhered to the surface of the movable baffle plate (10), a protective steel plate (15) is embedded at the bottom end inside the machine body (1);
the device comprises a support column (61), a triangular stabilizing plate (62) is detachably mounted at the bottom end of the support column (61), a connecting plate (63) is fixedly mounted at the bottom end of the triangular stabilizing plate (62), a fixed inclined plate (64) is rotatably connected at the bottom end of the connecting plate (63), a telescopic cylinder (65) is rotatably connected on the surface of the fixed inclined plate (64), a movable axis (66) is rotatably connected at the top end of the telescopic cylinder (65), and a base (67) is rotatably connected at the bottom end of the fixed inclined plate (64);
the landing gear 7 comprises a nose landing gear (71), a bottom end fixed mounting connecting column (72) of the nose landing gear (71), a straight plate (73) is connected to the surface of the nose landing gear (71) in a rotating mode, a movable inclined plate (74) is connected to the bottom end of the straight plate (73) in a rotating mode, and a fixed support (75) is connected to the other end of the movable inclined plate (74) in a rotating mode.
2. A snowable fixed wing drone according to claim 1, wherein: the thickness value range of steel sheet (5) is one millimeter to five millimeters, and the whole shape and fuselage (1) looks adaptation of steel sheet (5), the surface of steel sheet (5) is evenly scribbled one deck hydrophobic coating layer.
3. A snowable fixed wing drone according to claim 1, wherein: the number of the 6 is two, the two main landing gears (6) are respectively positioned at the left side and the right side of the machine body (1), and the two main landing gears (6) and the nose landing gear (7) are distributed on the bottom end surface of the machine body (1) in a triangular mode.
4. A snowable fixed wing drone according to claim 1, wherein: the top end of the movable baffle (10) is rotatably connected with the machine body (1) through a rotating shaft rod, and the surface of the rotating shaft rod is uniformly coated with a layer of lubricating coating.
5. A snowable fixed wing drone according to claim 1, wherein: the other end of elastic diaphragm (14) bonds with the inner wall fixed surface of fuselage (1), and the length value adaptation of the length value of elastic diaphragm (14) and adjustable fender (10), the thickness value scope one millimeter to three millimeters of elastic diaphragm (14), and elastic diaphragm (14) are located electric telescopic handle (12) under, the both ends of arc bent plate (13) all are connected with the inside fixed surface of fuselage (1), the shape of arc bent plate (13) is the arc, anticorrosive paint has been paintd on the surface of protection steel sheet (15), and protection steel sheet (15) and the surface of 1 tightly laminate.
6. A snowable fixed wing drone according to claim 1, wherein: form a triangle-shaped stable structure between triangle stabilizer plate (62), fixed swash plate (64) and telescopic cylinder (65), and the contained angle between triangle stabilizer plate (62) and fixed swash plate (64) is greater than ninety degrees, telescopic cylinder (65)'s surface is evenly smeared one deck low concentration lubricating oil, and telescopic cylinder (65)'s whole material is the metallics component.
7. A snowable fixed wing drone according to claim 1, wherein: the other end of the telescopic cylinder (65) is rotatably connected with the triangular stabilizing plate (62) through a movable shaft center (66), and the inclination angle range of the telescopic cylinder (65) is fifteen degrees to thirty-five degrees.
8. A snowable fixed wing drone according to claim 1, wherein: the diameter value of the connecting column (72) is smaller than that of the nose landing gear (71), the other end of the connecting column (72) is rotatably connected with the movable inclined plate (74) through a movable rotating shaft, and the length value range of the straight plate (73) is fifteen centimeters to twenty centimeters.
9. A snowable fixed wing drone according to claim 1, wherein: the whole shape of the fixed support (75) is triangular, and the fixed support (75), the connecting column (72) and the nose landing gear (71) are located on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011224011.XA CN112278250A (en) | 2020-11-05 | 2020-11-05 | Fixed wing unmanned aerial vehicle capable of taking off and landing on snow |
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| CN202011224011.XA CN112278250A (en) | 2020-11-05 | 2020-11-05 | Fixed wing unmanned aerial vehicle capable of taking off and landing on snow |
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| CN209833983U (en) * | 2019-04-03 | 2019-12-24 | 湖南浩天翼航空技术有限公司 | Unmanned aerial vehicle who takes off and land on snow |
| CN110562459A (en) * | 2019-09-24 | 2019-12-13 | 深圳市俊达通办公智能科技有限公司 | Safe and reliable agricultural unmanned aerial vehicle for water-saving irrigation |
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Application publication date: 20210129 |