Stable undercarriage of unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle stable undercarriage which comprises a vehicle body, grooves are formed in the two sides of the vehicle body, fixing shafts are arranged in the grooves, lantern rings are arranged at the two ends of each fixing shaft, supporting arms are arranged on the lantern rings, ground contact plates are arranged at the top ends of the supporting arms, connecting rods are arranged between the supporting arms, and fixing rings are arranged on the connecting rods. A two-way hydraulic telescopic rod is arranged between the fixing rings, and a hydraulic telescopic rod is vertically arranged in the center of the two-way hydraulic telescopic rod and fixed to the machine body. The aircraft stopping device has the advantages that the size of the supporting face and the adaptability of the ground contact plate to the supporting face can be adjusted through the two-way hydraulic telescopic rod, so that the stability of an aircraft is guaranteed during stopping; vibration during landing is effectively reduced through a supporting arm of a damper structure, and meanwhile the supporting face is adjusted through a bidirectional hydraulic telescopic rod to adapt to the field so that the stability of the aircraft during landing can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field related to unmanned aerial vehicles, in particular to a stable landing gear for an unmanned aerial vehicle. Background Art

[0002] A drone is an unmanned aircraft controlled by radio remote control equipment and its own program control device. It has no cockpit but is equipped with autopilot, program control device and other equipment. Personnel on the ground, on ships or at the mother aircraft remote control station use radar and other equipment to track, locate, remotely control, telemeter and digitally transmit the drone. Nowadays, the landing gear of drones is generally a U-shaped structure with poor stability. When landing on uneven ground, the drone is easy to fall over due to its poor structural stability. Utility Model Content

[0003] In view of the above shortcomings, the utility model aims to provide a stable landing gear for an unmanned aerial vehicle, which enables the unmanned aerial vehicle to land stably through an adjustable stable landing structure. The technical solution of the utility model is as follows:

[0004] A stable landing gear for an unmanned aerial vehicle comprises a body, grooves are formed on both sides of the body, fixed shafts are arranged in the grooves, collars are provided at both ends of the fixed shafts, support arms are provided on the collars, a contact floor is provided at the top of the support arms, connecting rods are provided between the support arms, fixing rings are provided on the connecting rods, bidirectional hydraulic telescopic rods are provided between the fixing rings, and a hydraulic telescopic rod is vertically provided at the center of the bidirectional hydraulic telescopic rod and fixed to the body.

[0005] Furthermore, the support arm is a damper structure, the connecting rod is connected to the telescopic rod of the damper structure of the support arm on the same side, the top end of the support arm is connected with a support rod, and the support rod is provided with a contact floor.

[0006] Furthermore, the contact plate is an arc-shaped plate, and triangular wedge blocks are provided on both sides of the outer arc of the arc-shaped plate.

[0007] Furthermore, cantilevers are provided at the four corners of the body, and propellers are provided on the cantilevers.

[0008] Furthermore, a fixing seat is provided at the arc center of the contact plate, a circular hole is provided in the fixing seat, and the support rod is fixed through the circular hole.

[0009] Furthermore, an annular groove is provided in the fixing seat, and a corresponding annular protrusion is provided on the support rod.

[0010] Furthermore, a circular groove is provided on the connecting rod, and the fixing ring is arranged in the circular groove.

[0011] The beneficial effects of the utility model are: 1. The size of the supporting surface and the adaptability of the contact floor to the supporting surface can be adjusted by the two-way hydraulic telescopic rod, so that the stability of the aircraft when stopped is guaranteed; 2. The support arm of the damper structure effectively reduces the vibration during landing, and at the same time, the supporting surface is adjusted by the two-way hydraulic telescopic rod to adapt to the site to ensure the stability of the aircraft when it falls. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] In the figure: 1-body, 2-groove, 3-fixed shaft, 4-ring, 5-support arm, 6-contact floor, 7-connecting rod, 8-fixed ring, 9-bidirectional hydraulic telescopic rod, 10-support rod, 11-wedge block, 12-cantilever, 13-propeller, 14-fixed seat. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] Combination Figure 1 to Figure 2 Shown:

[0017] A stable landing gear for an unmanned aerial vehicle comprises a body 1, grooves 2 are provided on both sides of the body 1, a fixed shaft 3 is provided in the groove 2, collars 4 are provided at both ends of the fixed shaft 3, support arms 5 are provided on the collars 4, the support arms 5 are damper structures, and vibrations during landing can be effectively reduced, a connecting rod 7 is connected to the telescopic rod of the damper structure of the support arm 5 on the same side, the support arms 5 are connected with a support rod 10 at the top ends thereof, and a contact plate 6 is provided on the support rod 10 for ground contact.

[0018] A contact floor 6 is provided at the top of the support arm 5, a connecting rod 7 is provided between the support arms 5, a fixing ring 8 is provided on the connecting rod 7, and a two-way hydraulic telescopic rod 9 is provided between the fixing rings 8 for adjusting the support surface. A hydraulic telescopic rod is vertically provided at the center position of the two-way hydraulic telescopic rod 9 and is fixed on the machine body 1 to provide support and ensure the stability of the two-way hydraulic telescopic rod 9.

[0019] The contact plate 6 is an arc-shaped plate, and a fixing seat 14 is provided at the arc center of the contact plate 6. A circular hole is provided in the fixing seat 14, and the support rod 10 is fixed through the circular hole. An annular rotating groove is provided in the fixing seat 14, and a correspondingly matching annular protrusion is provided on the support rod 10. Triangular wedge blocks 11 are provided on both sides of the outer arc of the arc-shaped plate. The support angle is adjusted by the rotation of the arc plate and the contact between the wedge block and the ground to ensure the stability of the support.

[0020] Cantilevers 12 are provided at the four corners of the body 1, and propellers 13 are provided on the cantilevers 12 for providing flying power.

[0021] A circular groove is provided on the connecting rod 7, and a fixing ring 8 is arranged in the circular groove to ensure the stability of the connection.

[0022] Working principle: When the aircraft lands, it uses the onboard camera to identify and judge the road conditions, and adjusts the support surface through the two-way hydraulic telescopic rod to expand the influence of the support surface. The hydraulic telescopic rod connected to the two-way hydraulic telescopic rod can be set to be hinged, which can further adjust the support surface angle and improve the support effect. At the same time, the support contact surface is adjusted again by touching the floor, so that the stability of the drone after landing is maintained at a good level to prevent rollover.

[0023] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A stable landing gear for an unmanned aerial vehicle, characterized in that: The invention comprises a machine body (1), grooves (2) are provided on both sides of the machine body (1), a fixed shaft (3) is arranged in the grooves (2), collars (4) are provided at both ends of the fixed shaft (3), support arms (5) are provided on the collars (4), a contact plate (6) is provided at the top of the support arms (5), connecting rods (7) are provided between the support arms (5), a fixing ring (8) is provided on the connecting rods (7), a bidirectional hydraulic telescopic rod (9) is provided between the fixing rings (8), and a hydraulic telescopic rod is vertically provided at the center of the bidirectional hydraulic telescopic rod (9) and is fixed on the machine body (1).

2. The unmanned aerial vehicle stabilized landing gear according to claim 1, characterized in that: The support arm (5) is a damper structure, the connecting rod (7) is connected to the telescopic rod of the damper structure of the support arm (5) on the same side, the top end of the support arm (5) is provided with a support rod (10) connected thereto, and the support rod (10) is provided with a contact plate (6).

3. The unmanned aerial vehicle stabilizing landing gear according to claim 2, characterized in that: The contact plate (6) is an arc-shaped plate, and triangular wedge blocks (11) are provided on both sides of the outer arc of the arc-shaped plate.

4. The unmanned aerial vehicle stabilized landing gear according to claim 1, characterized in that: Cantilevers (12) are provided at the four corners of the machine body (1), and propellers (13) are provided on the cantilevers (12).

5. The unmanned aerial vehicle stabilizing landing gear according to claim 3, characterized in that: A fixing seat (14) is provided at the arc center of the contact plate (6), a circular hole is provided in the fixing seat (14), and the support rod (10) passes through the circular hole for fixing.

6. The unmanned aerial vehicle stabilizing landing gear according to claim 5, characterized in that: An annular rotation groove is provided in the fixing seat (14), and a corresponding annular protrusion is provided on the support rod (10).

7. The unmanned aerial vehicle stabilized landing gear according to claim 1, characterized in that: The connecting rod (7) is provided with a circular groove, and the fixing ring (8) is arranged in the circular groove.

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