Distributed stabilizing device for unmanned aerial vehicle

By installing redundant propellers and buffer components on the top of the drone, the problem of shaking and crashing caused by propeller damage was solved, enabling stable flight and safe landing of the drone.

CN223778583UActive Publication Date: 2026-01-09THE 54TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520412557.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-09
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

Existing drones are prone to tilting, shaking, or crashing when their propellers are damaged. The lack of redundancy design leads to passive responses and poses a safety hazard.

Method used

Redundant propellers and buffer components are installed on the top of the drone. Modular distributed buffering is provided through ring springs and friction components to ensure flight stability, and the redundant propellers are automatically switched to provide power support when the propellers are damaged.

Benefits of technology

It effectively prevents drones from shaking and crashing due to damage to a single propeller, improving flight stability and safety, and reducing the risk of property damage and personal injury.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223778583U_ABST
    Figure CN223778583U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle distributed stabilizing device which comprises a main body, a battery is fixedly installed on the upper surface of the main body, an installation plate is fixedly installed on the upper surface of the battery, a first L-shaped rod is rotationally connected to the center of the installation plate, and a first flight propeller is rotationally connected to the end of the first L-shaped rod. A limiting plate is fixedly mounted on the rod wall of the first L-shaped rod, a current-conducting plate is slidably connected to the end of the limiting plate, the current-conducting plate is in sliding contact with the surface of the mounting plate, four limiting holes are symmetrically formed in the upper surface of the mounting plate, the size of the four limiting holes is consistent with that of the end of the current-conducting plate, and four pairs of mounting blocks are symmetrically mounted on the side of the main body. And second L-shaped rods are rotationally connected among the four pairs of mounting blocks. According to the unmanned aerial vehicle, the rotatable redundant flight propellers are arranged at the top of the unmanned aerial vehicle to replace damaged flight propellers, so that the whole unmanned aerial vehicle is prevented from crashing after a certain flight propeller of the unmanned aerial vehicle is damaged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field, concretely is a kind of unmanned plane distributed stabilizing device. BACKGROUND

[0002] Unmanned aircraft is called "unmanned plane" for short, English abbreviation is "UAV", is the use of radio remote control equipment and self-provided program control device manipulates the aircraft without crew, or by on-board computer completely or intermittently autonomously operate, the most important in current unmanned plane field is how to make unmanned plane more stable in flight.

[0003] The unmanned plane existing on market adopts multiple flight paddles to drive the whole flight of unmanned plane, when one of multiple flight paddles is damaged, unmanned plane will produce obvious inclination and shaking or even directly crash, cause a lot of property losses, even cause airspace safety and personnel casualties, this is mainly because current unmanned plane does not design other redundant flight paddles when flying, so when one of flight paddles is damaged, it is very passive, therefore, a kind of unmanned plane distributed stabilizing device is presented. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a kind of unmanned plane distributed stabilizing device, by being provided with a redundant flight paddle on the top of unmanned plane to replace other damaged flight paddle to fly, and buffer assembly is arranged in other flight paddles to eliminate the whole shaking of unmanned plane caused by flight paddle shaking.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of unmanned plane distributed stabilizing device, including main part, the battery is fixedly installed on the upper surface of the main part, the mounting plate is fixedly installed on the upper surface of the battery, the first L-shaped rod is rotatably connected in the center of the mounting plate, the first flight paddle is rotatably connected to the end of the first L-shaped rod, the limit plate is fixedly installed on the rod wall of the first L-shaped rod, the conductive plate is slidably connected to the end of the limit plate, the conductive plate and the mounting plate surface slidably contact, four limit holes are symmetrically arranged on the upper surface of the mounting plate, the size of the four limit holes is consistent with the end of the conductive plate, four pairs of installation blocks are symmetrically installed on the side of the main part, the second L-shaped rod is rotatably connected between four pairs of installation blocks, the second flight paddle is rotatably connected to the end of the second L-shaped rod, buffer assembly is installed on the surface of four pairs of installation blocks, and the friction assembly is arranged on the upper surface of the installation block.

[0006] Preferably, the buffer assembly includes annular groove, annular spring and baffle, four pairs of installation blocks are provided with annular groove on the inner surface, annular spring is slidably connected in the annular groove, four pairs of installation blocks are fixedly installed with baffle inside, and the two ends of annular spring are fixedly connected with baffle and the surface of second L-shaped rod respectively.

[0007] Preferably, the friction assembly comprises a friction ring and a friction block, the friction ring is fixedly installed on the upper surface of the mounting plate, and the friction block is fixedly installed on the rod wall of the first L-shaped rod and in contact with the inner surface of the friction ring.

[0008] Preferably, the second flight paddle is electrically connected with the battery.

[0009] Preferably, the second flight paddle is electrically connected with the battery.

[0010] Preferably, the upper surface of the mounting plate is provided with a label.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、 the utility model discloses a can rotate at any time's redundancy flight paddle is arranged on the top of unmanned aerial vehicle and replaces the flight paddle of damage and flies, prevents unmanned aerial vehicle from producing the shaking tilt even crashes when the flight paddle of some damage, causes huge loss and personnel casualty.

[0013] 2、 single flight paddle is connected with annular spring and buffers for unmanned aerial vehicle, prevents the whole unmanned aerial vehicle from producing the shaking caused by the shaking of flight paddle, and the module distribution type buffer mode is used to provide more efficient buffer mode for the whole unmanned aerial vehicle.

[0014] 3、 the buffer spring arranged at the bottom of flight paddle can prevent the unnecessary loss caused by the whole unmanned aerial vehicle damage or single flight paddle damage when the impact force of unmanned aerial vehicle is too large during landing.

[0015] The other features and advantages of the utility model will be set forth in the subsequent description, and part becomes obvious from the description, or is understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body structure schematic view of the utility model unmanned aerial vehicle distribution type stabilizing device;

[0017] Figure 2 It is the three-dimensional structure schematic view of the utility model unmanned aerial vehicle distribution type stabilizing device buffer assembly;

[0018] Figure 3 It is Figure 1 The structure enlarged view of partial A portion in the middle.

[0019] In the figure: 1, the main body; 2, battery; 3, mounting plate; 4, first L-shaped rod; 5, first flight paddle; 6, limiting plate; 7, conductive plate; 8, limiting hole; 9, mounting block; 10, second L-shaped rod; 11, second flight paddle; 12, annular groove; 13, annular spring; 14, baffle; 15, friction ring; 16, friction block; 17, buffer spring; 18, buffer block; 19, label. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-3 The unmanned aerial vehicle distributed stabilizing device comprises a main body 1, a battery 2 is fixedly installed on the upper surface of the main body 1, a mounting plate 3 is fixedly installed on the upper surface of the battery 2, a first L-shaped rod 4 is rotationally connected at the center of the mounting plate 3, a first flight paddle 5 is rotationally connected to the end of the first L-shaped rod 4, a limiting plate 6 is fixedly installed on the wall of the first L-shaped rod 4, a conductive plate 7 is slidably connected to the end of the limiting plate 6, the conductive plate 7 is in sliding contact with the surface of the mounting plate 3, four limiting holes 8 are symmetrically arranged on the upper surface of the mounting plate 3, the four limiting holes 8 are consistent in size with the end of the conductive plate 7, four pairs of mounting blocks 9 are symmetrically installed on the side of the main body 1, a second L-shaped rod 10 is rotationally connected between the four pairs of mounting blocks 9, a second flight paddle 11 is rotationally connected to the end of the second L-shaped rod 10, a buffer assembly is installed on the surface of the four pairs of mounting blocks 9, and a friction assembly is arranged on the upper surface of the mounting block 9. When the device works, the four second flight paddles 11 are started to drive the whole unmanned aerial vehicle to fly. At this time, the annular spring 13 in the mounting block 9 generates a buffering effect to filter out the shaking of the single second flight paddle 11 when rotating, so as to prevent the main body 1 from shaking. When the single second flight paddle 11 is damaged, the whole unmanned aerial vehicle tilts. At this time, the friction block 16 on the side of the first L-shaped rod 4 and the friction ring 15 cannot provide sufficient friction, the first flight paddle 5 rotates, and rotates to the position coinciding with the damaged second flight paddle 11 to replace the rotation of the damaged second flight paddle 11. At this time, the conductive plate 7 at the end of the limiting plate 6 slides into the limiting hole 8 to limit the first flight paddle 5, and the conductive plate 7 is electrically connected with the battery 2 to provide power for the first flight paddle 5, so as to prevent the unmanned aerial vehicle from crashing due to tilting, ensure that the unmanned aerial vehicle can land safely, and after the unmanned aerial vehicle lands, the conductive plate 7 is taken out of the limiting hole 8 and placed in the position aligned with the label 19.

[0022] The buffer assembly comprises annular grooves 12, annular springs 13 and baffles 14, four pairs of inner surfaces of the mounting blocks 9 are provided with the annular grooves 12, the annular springs 13 are slidably connected inside the annular grooves 12, the baffles 14 are fixedly installed inside the four pairs of mounting blocks 9, the annular springs 13 at both ends of the mounting blocks 9 are fixedly connected with the baffles 14 and the surface of the second L-shaped rods 10, the annular springs 13 inside the mounting blocks 9 produce a buffering effect, filter out the shaking of the single second flight paddle 11 when rotating, and prevent the main body 1 from shaking.

[0023] The friction assembly comprises friction rings 15 and friction blocks 16, the friction rings 15 are fixedly installed on the upper surface of the mounting plate 3, the friction blocks 16 are fixedly installed on the rod wall of the first L-shaped rods 4, the friction blocks 16 are in contact with the inner surface of the friction rings 15, and the first L-shaped rods 4 are prevented from rotating when the unmanned aerial vehicle is running stably.

[0024] The second flight paddle 11 is fixedly installed with a buffer spring 17 at the bottom, and the buffer spring 17 is fixedly installed with a buffer block 18 at the bottom, so that the buffer spring 17 can prevent the unmanned aerial vehicle from being damaged as a whole or a single flight paddle from being damaged due to excessive impact force when landing.

[0025] The second flight paddle 11 is electrically connected with the battery 2, and the battery 2 provides electric energy for the second flight paddle 11.

[0026] The upper surface of the mounting plate 3 is provided with a label 19, and after the unmanned aerial vehicle lands, it is placed in a position aligned with the label 19.

[0027] In summary, when the device works, the four second flight paddles 11 are started to drive the entire unmanned aerial vehicle to fly, at this time, the annular springs 13 inside the mounting blocks 9 produce a buffering effect, filter out the shaking of the single second flight paddle 11 when rotating, and prevent the main body 1 from shaking, when a single second flight paddle 11 is damaged, the unmanned aerial vehicle as a whole tilts, at this time, the friction blocks 16 on the side of the first L-shaped rods 4 cannot provide sufficient friction with the friction rings 15, the first flight paddle 5 rotates to a position coinciding with the damaged second flight paddle 11 to replace the damaged second flight paddle 11, at this time, the conductive plate 7 at the end of the limiting plate 6 slides into the limiting hole 8 to limit the first flight paddle 5, and the conductive plate 7 is electrically connected with the battery 2 to provide electric energy for the first flight paddle 5, preventing the unmanned aerial vehicle from crashing due to tilting, ensuring that the unmanned aerial vehicle can land safely, after the unmanned aerial vehicle lands, the conductive plate 7 is taken out of the limiting hole 8 and placed in a position aligned with the label 19, thus completing the entire work flow

[0028] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A drone distributed stabilizing device comprising a main body (1), characterized in that, The upper surface of the main body (1) is fixedly installed with a battery (2), the upper surface of the battery (2) is fixedly installed with a mounting plate (3), the center of the mounting plate (3) is rotationally connected with a first L-shaped rod (4), the end of the first L-shaped rod (4) is rotationally connected with a first flight paddle (5), the wall of the first L-shaped rod (4) is fixedly installed with a limiting plate (6), the end of the limiting plate (6) is slidingly connected with a conductive plate (7), the conductive plate (7) is in sliding contact with the surface of the mounting plate (3), the upper surface of the mounting plate (3) is symmetrically provided with four limiting holes (8), the four limiting holes (8) are consistent in size with the ends of the conductive plate (7), the side of the main body (1) is symmetrically installed with four pairs of mounting blocks (9), the second L-shaped rod (10) is rotationally connected between the four pairs of mounting blocks (9), the end of the second L-shaped rod (10) is rotationally connected with a second flight paddle (11), the surface of the four pairs of mounting blocks (9) is installed with a buffer assembly, and the upper surface of the mounting block (9) is provided with a friction assembly.

2. The unmanned aerial vehicle distributed stabilizing device according to claim 1, wherein, The buffer assembly comprises an annular groove (12), an annular spring (13) and a baffle (14), the inner surface of the four pairs of mounting blocks (9) is provided with the annular groove (12), the annular spring (13) is slidingly connected in the annular groove (12), and the inner surface of the four pairs of mounting blocks (9) is fixedly installed with the baffle (14). The two ends of the annular spring (13) are fixedly connected with the baffles (14) and the surface of the second L-shaped rod (10), respectively.

3. The unmanned aerial vehicle distributed stabilizing device of claim 1, wherein, The friction assembly comprises a friction ring (15) and a friction block (16), the upper surface of the mounting plate (3) is fixedly installed with the friction ring (15), the wall of the first L-shaped rod (4) is fixedly installed with the friction block (16), and the friction block (16) is in contact with the inner surface of the friction ring (15).

4. The unmanned aerial vehicle distributed stabilizing device of claim 1, wherein, The bottom of the second flight paddle (11) is fixedly installed with a buffer spring (17), and the bottom of the buffer spring (17) is fixedly installed with a buffer block (18).

5. The unmanned aerial vehicle distributed stabilizing device of claim 1, wherein, The second flight paddle (11) is electrically connected with the battery (2).

6. The unmanned aerial vehicle distributed stabilizing device of claim 1, wherein, The upper surface of the mounting plate (3) is provided with a label (19).