CN218967174U

CN218967174U - Retractable unmanned aerial vehicle landing gear

Info

Publication number: CN218967174U
Application number: CN202222564937.4U
Authority: CN
Inventors: 李鑫; 苏丽春; 郭黎明
Original assignee: Jilin Weilan Aviation Technology Co ltd
Current assignee: Jilin Weilan Aviation Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-05
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a retractable landing gear of an unmanned aerial vehicle, which comprises a frame, wherein the top of the frame is fixedly connected with a top plate, the top of the top plate is fixedly connected with a body, four corners of the outer end of the body are fixedly connected with supporting rods, the outer ends of the supporting rods are fixedly connected with motors, and the front end and the rear end of the right side of the bottom of the frame are fixedly connected with first L-shaped supporting columns. According to the utility model, when the unmanned aerial vehicle lands, the steering engine starts to work, the first rotating shaft is driven to rotate, the second rotating shaft is pulled to rotate simultaneously, the support plate is rotated downwards by 90 degrees, the first electric push rod and the second electric push rod can stretch out and draw back to reach the required height, when the unmanned aerial vehicle lands, the support plate is required to be folded, the working principle is the same as that when the unmanned aerial vehicle lands, the support plate is rotated by 90 degrees, the operation is simple, when the landing gear is folded, the landing gear can be folded and lifted when the unmanned aerial vehicle flies, and the unmanned aerial vehicle is prevented from turning on one's side, so that trouble is caused.

Description

Retractable unmanned aerial vehicle landing gear

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a retractable landing gear of an unmanned aerial vehicle.

Background

In the current society, unmanned aerial vehicle technology is rapidly developed, unmanned aerial vehicles are unmanned aerial vehicles operated by using radio remote control equipment and self-contained program control devices, unmanned aerial vehicles are in fact a generic name of unmanned aerial vehicles, and from the technical point of view, the unmanned aerial vehicles can be defined as follows: unmanned fixed wing aircraft, unmanned vertical take-off and landing aircraft, unmanned airship, unmanned helicopter, unmanned multi-rotor aircraft, unmanned parachute wing aircraft and the like, and landing gear plays an important role in taking off and landing of the unmanned aerial vehicle.

At present, the landing gear is required to be used in unmanned aerial vehicle technology to support the unmanned aerial vehicle, so that the unmanned aerial vehicle can conveniently lift, but the existing unmanned aerial vehicle landing gear is simple in structure and can not be folded, when the landing gear is not folded, the unmanned aerial vehicle influences the aerodynamic performance of flight when flying, and side turning is caused when flying, so that unnecessary troubles are generated.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a retractable landing gear of an unmanned aerial vehicle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a retractable unmanned aerial vehicle undercarriage, includes the frame, frame top fixedly connected with roof, roof top fixedly connected with fuselage, the equal fixedly connected with branch of fuselage outer end four corners position department, the equal fixedly connected with motor of branch outer end, the equal fixedly connected with first L type pillar in both ends around the frame bottom right side, the equal fixedly connected with first fixed block in the relative one side of first L type pillar, the equal fixedly connected with protection box in first fixed block right side, the equal fixedly connected with steering wheel in protection box inner wall bottom, steering wheel output is according to running through and fixedly connected with first rotation axis, first rotation axis left side all runs through and fixedly connected with first connecting piece, two the equal fixedly connected with first electric putter in first connecting piece bottom, two the equal fixedly connected with extension board in first electric putter bottom, the equal fixedly connected with second L type pillar in both ends around the frame bottom left side, two the equal fixedly connected with second fixed block in the relative one side of second L type pillar, the equal fixedly connected with steering wheel of equal fixedly connected with steering wheel in second rotation axis bottom left side and the equal fixedly connected with second rotation axis of rotation position, the equal fixedly connected with second rotation axis of rotation in the equal rotation axis of rotation of first rotation bottom left side.

As a further description of the above technical solution:

and the bottoms of the two second connecting pieces are fixedly connected with second electric push rods.

As a further description of the above technical solution:

the bottom of the support plate is fixedly connected with an anti-slip pad.

As a further description of the above technical solution:

and the second electric push rods are fixedly connected with the support plates.

As a further description of the above technical solution:

and spiral blades are fixedly connected to the output end of the motor.

As a further description of the above technical solution:

and the bottoms of the two top plates are provided with uniformly distributed heat dissipation grooves.

As a further description of the above technical solution:

the first fixed block is rotationally connected with the first rotating shaft.

The utility model has the following beneficial effects:

according to the utility model, when the unmanned aerial vehicle lands, the steering engine starts to work, the first rotating shaft is driven to rotate, the second rotating shaft is pulled to rotate simultaneously, the support plate is rotated downwards by 90 degrees, the first electric push rod and the second electric push rod can stretch out and draw back to reach the required height, when the unmanned aerial vehicle lands, the support plate is required to be folded, the working principle is the same as that when the unmanned aerial vehicle lands, the support plate is rotated by 90 degrees, the operation is simple, when the landing gear is folded, the landing gear can be folded and lifted when the unmanned aerial vehicle flies, and the unmanned aerial vehicle is prevented from turning on one's side, so that trouble is caused.

Drawings

Fig. 1 is a perspective view of a retractable landing gear for an unmanned aerial vehicle according to the present utility model;

fig. 2 is a lifting plan view of a retractable landing gear of an unmanned aerial vehicle according to the present utility model;

fig. 3 is a front view of a retractable landing gear for an unmanned aerial vehicle

Fig. 4 is an enlarged view at a in fig. 1.

Legend description:

1. a frame; 2. a top plate; 3. a body; 4. a support rod; 5. a motor; 6. a first fixed block; 7. a first connector; 8. a protection box; 9. steering engine; 10. a first rotation shaft; 11. a first electric push rod; 12. a first L-shaped strut; 13. a support plate; 14. spiral leaves; 15. a second electric push rod; 16. a second connector; 17. a second rotation shaft; 18. a second fixed block; 19. a second L-shaped strut; 20. an anti-slip pad; 21. a heat sink.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the retractable landing gear of the unmanned aerial vehicle comprises a frame 1, a top plate 2 is fixedly connected to the top of the frame 1, a machine body 3 is fixedly connected to the top of the top plate 2, supporting rods 4 are fixedly connected to four corners of the outer end of the machine body 3, motors 5 are fixedly connected to the outer ends of the supporting rods 4, first L-shaped supporting columns 12 are fixedly connected to the front and rear ends of the right side of the bottom of the frame 1, first fixing blocks 6 are fixedly connected to opposite sides of the first L-shaped supporting columns 12, a protection box 8 is fixedly connected to the right side of the first fixing blocks 6, steering gears 9 are fixedly connected to the bottoms of the inner walls of the protection box 8, output ends of the steering gears 9 are fixedly connected with first rotating shafts 10 in a penetrating manner, first connecting pieces 7 are fixedly connected to the left sides of the first rotating shafts 10 in a penetrating manner, first electric pushing rods 11 are fixedly connected to the bottoms of the two first connecting pieces 7, support plates 13 are fixedly connected to the bottoms of the two first electric pushing rods 11, the front and back ends of the left side of the bottom of the frame 1 are fixedly connected with second L-shaped supporting columns 19, one opposite side of each second L-shaped supporting column 19 is fixedly connected with a second fixed block 18, the position of the left side bottom of each second fixed block 18, which is deviated upwards, is penetrated through and fixedly connected with a second rotating shaft 17, the second rotating shafts 17 are penetrated through and are rotatably connected with second connecting pieces 16, when an unmanned aerial vehicle is required to take off, the landing gear is required to be retracted, the two steering gears 9 on the right side start to work, the two first rotating shafts 10 are driven, the first rotating shafts 10 penetrate through the first fixed blocks 6 and the first connecting pieces 7, the output ends of the steering gears 9 are connected with the first rotating shafts 10, the left second connecting pieces 16 are simultaneously pulled to rotate, the supporting plate 13 rotates by 90 degrees to reach the position of the opposite bottom of the supporting plate 13, and simultaneously the first electric push rod 11 and the second electric push rod 15 can stretch to the height, the first electric push rod 11 and the second electric push rod 15 are contracted to the minimum length, so that the scraping of obstacles during flight is reduced, and the effect of collecting is achieved.

The bottom of each second connecting piece 16 is fixedly connected with a second electric push rod 15, the bottom of each support plate 13 is fixedly connected with an anti-slip pad 20, each second electric push rod 15 is fixedly connected with each support plate 13, the output end of each motor 5 is fixedly connected with a spiral blade 14, the bottoms of the two top plates 2 are provided with evenly distributed heat dissipation grooves 21, each first fixing block 6 is rotationally connected with the first rotating shaft 10, when landing gear is required to be put up, the same working principle as that of landing gear is taken off, the support plates 13 rotate for 90 degrees, when the landing gear is downward, the heat dissipation grooves 21 are formed below the top plates 2, the heat dissipation is facilitated during flight, the anti-slip pads 17 are arranged below the support plates 13, the buffer effect can be achieved, and the impact force is reduced.

Working principle: when unmanned aerial vehicle takes off, need pack up the undercarriage, two steering engines 9 on the right side begin to work, drive two first rotating shafts 10, and first rotating shaft 10 runs through first fixed block 6 and first connecting piece 7, steering engine 9 output and first rotating shaft 10 are connected, drag left second connecting piece 16 rotation simultaneously, make extension board 13 rotatory 90 degrees, reach the relative position of extension board 13 bottom, simultaneously first electric putter 11 and second electric putter 15 can flexible height, the length that stretches out and draws first electric putter 11 and second electric putter 15 to minimum reduces the obstacle of scraping when flight, reach the effect of folding, when the landing, need put the undercarriage down, the theory of operation is the same when taking off, when reaching downwards, just can, be provided with the heat dissipation 21 groove simultaneously below roof 2, be convenient for dispel the heat when flight, there is slipmat 17 below extension board 13, can play anti-skidding effect.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Retractable unmanned aerial vehicle undercarriage, including frame (1), its characterized in that: the top of the frame (1) is fixedly connected with a top plate (2), the top of the top plate (2) is fixedly connected with a machine body (3), four corners of the outer end of the machine body (3) are fixedly connected with supporting rods (4), the outer ends of the supporting rods (4) are fixedly connected with motors (5), the front and rear ends of the right side of the bottom of the frame (1) are fixedly connected with first L-shaped supporting columns (12), one side opposite to the first L-shaped supporting columns (12) is fixedly connected with a first fixing block (6), the right side of the first fixing block (6) is fixedly connected with a protection box (8), the bottom of the inner wall of the protection box (8) is fixedly connected with steering engines (9), the output end of the steering engine (9) is fixedly connected with a first rotating shaft (10) according to the penetrating and the fixedly connecting, the left side of the first rotating shaft (10) is fixedly connected with a first connecting piece (7), the bottoms of the two first connecting pieces (7) are fixedly connected with a first electric push rod (11), the bottoms of the two first electric push rods (11) are fixedly connected with a support plate (13), the front end and the rear end of the left side of the bottom of the frame (1) are fixedly connected with a second L-shaped support column (19), the opposite sides of the two second L-shaped support columns (19) are fixedly connected with a second fixing block (18), the left side bottom of second fixed block (18) is located and is all run through and fixedly connected with second axis of rotation (17), second axis of rotation (17) all run through and rotate and be connected with second connecting piece (16).

2. The retractable unmanned aerial vehicle landing gear of claim 1, wherein: the bottoms of the two second connecting pieces (16) are fixedly connected with second electric push rods (15).

3. The retractable unmanned aerial vehicle landing gear of claim 1, wherein: the bottom of the support plate (13) is fixedly connected with an anti-slip pad (20).

4. The retractable unmanned aerial vehicle landing gear of claim 2, wherein: the second electric push rods (15) are fixedly connected with the support plates (13).

5. The retractable unmanned aerial vehicle landing gear of claim 1, wherein: the output ends of the motors (5) are fixedly connected with spiral blades (14).

6. The retractable unmanned aerial vehicle landing gear of claim 1, wherein: the bottoms of the two top plates (2) are provided with uniformly distributed heat dissipation grooves (21).

7. The retractable unmanned aerial vehicle landing gear of claim 1, wherein: the first fixed block (6) is rotatably connected with the first rotating shaft (10).