Unmanned aerial vehicle undercarriage

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle undercarriage which comprises a support, the support comprises a cross-shaped rack, a plurality of supporting leg assemblies are arranged below the rack, springs are connected between the supporting leg assemblies and the rack, and an unmanned aerial vehicle placing plate is arranged at the cross position of the rack. Each supporting leg assembly comprises a supporting leg and a landing leg arranged below the supporting leg, one end of each landing leg is bent upwards, the rack comprises two cross rods which are arranged in a crossed mode, the cross point is the midpoint position of the cross rods, the supporting leg assemblies are arranged at the bottoms of the end points of the two ends of the cross rods, and the cross rods are of a rectangular structure. Each supporting foot comprises two vertical rods, one end of each spring is connected with the rack, the other end of each spring is arranged on the corresponding vertical rod in a sleeving mode, the springs are arranged at the joints of the supporting foot assemblies and the rack, the impact force of the unmanned aerial vehicle in the landing process is further relieved through the springs, and the influence of the impact force on the unmanned aerial vehicle in the landing process is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to an unmanned plane technical field, concretely is a kind of unmanned plane landing gear. BACKGROUND

[0002] Unmanned plane flight operation is usually controlled by remote controller, preset route or autonomous computer program. Unmanned plane is usually used with landing gear, and the landing gear is a structure used to support the unmanned plane to take off and land on the ground and maintain attitude and stability when cruising in the air.

[0003] When the unmanned plane descends on grass, the landing gear with high height can usually support the unmanned plane above the vegetation, to avoid the contact between the rotor on the unmanned plane and the vegetation, which can cause damage to the rotor. The landing gear with low height can reduce the overall height of the unmanned plane, so that it is easier to store and transport. However, the existing landing gear of the unmanned plane will generate a certain impact force when it contacts the ground during descent, which can cause damage to the components of the unmanned plane. Therefore, we propose an unmanned plane landing gear. SUMMARY

[0004] Based on the above-mentioned problem that the existing landing gear of the unmanned plane will generate a certain impact force when it contacts the ground during descent, which can cause damage to the components of the unmanned plane, the utility model provides an unmanned plane landing gear.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] An unmanned plane landing gear, comprising a support, the support comprises a cross-shaped frame, a plurality of groups of leg assemblies are arranged below the frame, springs are arranged between the leg assemblies and the frame, an unmanned plane placing plate is arranged at the intersection position of the frame, the leg assembly comprises a leg and a landing foot arranged below the leg, one end of the landing foot is bent upward, the frame comprises two cross-shaped horizontal rods, the intersection point is the midpoint position of the horizontal rods, leg assemblies are arranged at the bottom of the end points of the horizontal rods, the horizontal rods are rectangular structures, the leg comprises two vertical rods, one end of the spring is connected with the frame, and the other end of the spring is sleeved on the vertical rod, the vertical rod is connected with the outer wall of the horizontal rod, and the landing foot comprises a landing rod connected with the outer wall of the vertical rod.

[0007] As a further scheme of the utility model, the horizontal rods are provided with flight wings at both ends, the flight wing comprises a flight shaft and a motor connected with the flight shaft, the motor is electrically connected with a battery, the motor is electrically connected with a PLC controller, the PLC controller is electrically connected with an unmanned plane control panel, the flight wing is arranged on the landing gear, which can better balance flight, and avoid affecting the counterweight of the unmanned plane body due to the arrangement of the landing gear, thereby affecting the flight of the unmanned plane.

[0008] As a further scheme of the utility model: the unmanned aerial vehicle placing plate is cross-shaped, the unmanned aerial vehicle placing plate is a hollow structure, further and the frame match, hollow structure can reduce the weight and increase the flight range of unmanned aerial vehicle battery.

[0009] As a further scheme of the utility model: the cross shape of the unmanned aerial vehicle placing plate corresponds to the cross direction of the horizontal rod, the unmanned aerial vehicle placing plate is connected with the horizontal rod through a plurality of connecting pieces, and the plurality of connecting pieces are arranged at the corresponding edges of the unmanned aerial vehicle placing plate and the horizontal rod, so that the unmanned aerial vehicle placing plate can be more stable and the stability of the unmanned aerial vehicle is better.

[0010] As a further scheme of the utility model: the frame and the leg assembly are detachably connected, the unmanned aerial vehicle placing plate and the frame are detachably connected, and the flight wing and the frame are detachably connected, so that the installation of the landing gear and the replacement and storage of the accessories are facilitated.

[0011] As a further scheme of the utility model: connecting rods are arranged between the two vertical rods, so that the landing leg can be more stable, the two vertical rods can be more stable to form a rectangle, and deformation and other problems in the landing process are avoided.

[0012] Working principle: the unmanned aerial vehicle landing gear provided by the application is arranged in a cross-shaped structure, a flight wing is arranged at the tail end of the frame, a leg assembly is arranged at the bottom of the frame, springs are arranged between the leg assembly and the frame, so that the impact force on the unmanned aerial vehicle during landing is buffered, the impact force on the unmanned aerial vehicle during landing is further reduced, and the symmetry of the unmanned aerial vehicle landing gear is good, that is, the balance is good. In the application, the flight wing is arranged on the frame, that is, when the unmanned aerial vehicle is operated to fly, the flight wing and the unmanned aerial vehicle are controlled to fly by the unmanned aerial vehicle control panel.

[0013] After the above structure is adopted, compared with the prior art, the utility model has the following advantages:

[0014] 1. According to the cross-shaped frame design, the leg assembly is arranged at the bottom of the cross-shaped frame, springs are arranged at the connecting position of the leg assembly and the frame, the impact force of the unmanned aerial vehicle during landing is further reduced by the arrangement of the springs, and the influence of the impact force on the unmanned aerial vehicle during landing is further reduced.

[0015] 2. The cross-shaped frame is adopted, and the flight wing is arranged at the tail end of the frame, so that the balance of the unmanned aerial vehicle is better, and the influence of the setting of the landing gear on the weight of the unmanned aerial vehicle body and the flight of the unmanned aerial vehicle is avoided.

[0016] 3. The drone placement plate of this utility model has a hollow structure, which further matches the frame. At the same time, the hollow structure can reduce the counterweight and increase the flight range of the drone battery.

[0017] 4. The frame and support assembly of this utility model are detachably connected, the drone placement plate is detachably connected to the frame, and the flight wing is detachably connected to the frame, which further facilitates the installation of the landing gear, as well as the replacement and storage of accessories. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Fig. 2 This is a side view of the structure of this utility model;

[0020] Fig. 3 This is a schematic diagram of the support leg assembly of this utility model.

[0021] In the diagram: 1. Frame; 2. Leg assembly; 3. Spring; 4. UAV placement plate; 5. Flight wing; 6. Connector; 101. Crossbar; 201. Leg; 202. Landing foot; 203. Upright pole; 204. Landing pole; 205. Connecting rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1

[0024] Please see Figs. 1-3 This utility model discloses a drone landing gear, including a support frame. The support frame includes a cross-shaped frame, and four sets of support leg assemblies are provided below the frame. That is, a support leg assembly is provided at each end of the cross-shaped frame. A spring is provided between the support leg assembly and the frame. A drone placement plate is provided at the intersection of the frame. The support leg assembly includes a support leg and a landing foot located below the support leg. One end of the landing foot is bent upward. The frame includes two crossbars arranged in a cross shape. The intersection point is the midpoint of the crossbars. The crossbars are rectangular. The support leg includes two uprights. One end of the spring is connected to the frame, and the other end is sleeved on the upright. The upright is connected to the outer wall of the crossbar. The landing foot includes a landing rod connected to the outer wall of the upright.

[0025] Specifically, the unmanned aerial vehicle landing gear provided by the application is arranged in a cross structure, the bottom of the frame is provided with a supporting leg assembly, and springs are arranged between the supporting leg assembly and the frame to form a buffer when landing, so that the impact force on the unmanned aerial vehicle during landing can be further reduced, and the cross structure makes the symmetry of the unmanned aerial vehicle landing gear good, that is, the balance is good; in the application, the flight wing is arranged on the frame, that is, when the unmanned aerial vehicle is operated to fly, the flight wing and the unmanned aerial vehicle are controlled to fly by the unmanned aerial vehicle control panel.

[0026] Embodiment 2

[0027] Please refer to Figs. 2-3 In the embodiment of the utility model, the flight wing is arranged on the landing gear, and the flight wing can better balance flight, and the weight of the unmanned aerial vehicle body is not affected by the arrangement of the landing gear, and the flight of the unmanned aerial vehicle is not affected.

[0028] Specifically, the flight wing is arranged on the landing gear, and the flight wing can better balance flight, and the weight of the unmanned aerial vehicle body is not affected by the arrangement of the landing gear, and the flight of the unmanned aerial vehicle is not affected.

[0029] Embodiment 3

[0030] Please refer to Figs. 2-3 Figs. 2-3 In the embodiment of the utility model, the unmanned aerial vehicle placing plate is in a cross shape, the unmanned aerial vehicle placing plate is in a hollow structure, the cross shape of the unmanned aerial vehicle placing plate corresponds to the cross direction of the cross rod, the unmanned aerial vehicle placing plate and the cross rod are connected through four connecting pieces, the connecting pieces are bolts, the frame and the supporting leg assembly are detachably connected, the unmanned aerial vehicle placing plate and the frame are detachably connected, the flight wing and the frame are detachably connected, and a connecting rod is arranged between the two vertical rods.

[0031] Specifically, the shape of the unmanned aerial vehicle placing plate can better match the frame, the hollow structure can reduce the weight and increase the flight range of the unmanned aerial vehicle battery, the two vertical rods can be more stable to form a rectangle, deformation and other problems during landing can be avoided, the connecting pieces are arranged at the edges corresponding to the unmanned aerial vehicle placing plate and the cross rod, so that the unmanned aerial vehicle can be more stably installed, the stability of the unmanned aerial vehicle is better, the frame and the supporting leg assembly are detachably connected, the unmanned aerial vehicle placing plate and the frame are detachably connected, the flight wing and the frame are detachably connected, the installation of the landing gear and the replacement and storage of the accessories are further facilitated, and the connecting rod is arranged between the two vertical rods, so that the landing leg can be more stable.

[0032] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model.

Claims

1. An unmanned aerial vehicle landing gear comprising a support, characterized in that, The support includes a cross-shaped frame (1), a plurality of groups of support leg assemblies (2) are arranged below the frame (1), springs (3) are arranged between the support leg assemblies (2) and the frame (1), a drone placing plate (4) is arranged at the intersection position of the frame (1), the support leg assembly (2) includes a support leg (201) and a landing leg (202) arranged below the support leg (201), and one end of the landing leg (202) is bent upwards.

2. The unmanned aerial vehicle landing gear of claim 1, wherein, The frame (1) includes two cross-shaped cross rods (101), the cross point is the midpoint position of the cross rod (101), the bottom of the end point of the cross rod (101) is provided with the support leg assembly (2), the cross rod (101) is in a rectangular structure, the support leg (201) includes two vertical rods (203), one end of the spring (3) is connected with the frame (1), and the other end is sleeved on the vertical rod (203), the vertical rod (203) is connected with the outer wall of the cross rod (101), and the landing leg (202) includes a landing rod (204) connected with the outer wall of the vertical rod (203).

3. The unmanned aerial vehicle landing gear of claim 2, wherein, The cross rod (101) is provided with a flight wing (5) at both ends, the flight wing (5) includes a flight shaft and a motor connected with the flight shaft, the motor is electrically connected with a battery, the motor is electrically connected with a PLC controller, and the PLC controller is electrically connected with a drone control panel.

4. The unmanned aerial vehicle landing gear of claim 2, wherein, The drone placing plate (4) is in a cross shape, and the drone placing plate (4) is in a hollow structure.

5. The unmanned aerial vehicle landing gear of claim 4, wherein, The cross shape of the drone placing plate (4) corresponds to the cross direction of the cross rod (101), the drone placing plate (4) is connected with the cross rod (101) through a plurality of connecting pieces (6), and the plurality of connecting pieces (6) are arranged at the corresponding edges of the drone placing plate (4) and the cross rod (101).

6. The unmanned aerial vehicle landing gear of claim 3, wherein, The frame (1) and the support leg assembly (2) are detachably connected, the drone placing plate (4) and the frame (1) are detachably connected, and the flight wing (5) and the frame (1) are detachably connected.

7. The unmanned aerial vehicle landing gear of claim 2, wherein, A connecting rod (205) is arranged between the two vertical rods (203).

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