Unmanned aerial vehicle inspection protection structure

By designing a sliding protective net and drive components on the drone, the protective net can be covered above the propellers or stored at the top of the fuselage, solving the problem of cumbersome installation and removal when inspecting drones in complex and open areas, and improving inspection efficiency and ease of operation.

CN224029266UActive Publication Date: 2026-03-24GUANGDONG UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing drone inspection and protection structures require repeated assembly and disassembly when traveling to and from complex and open areas, which is cumbersome and reduces inspection efficiency.

Method used

Design a drone inspection and protection structure that uses a sliding protective net and a drive component. The drive component drives the protective net to cover the propellers or store it on the top of the fuselage, achieving convenient operation without repeated assembly and disassembly.

Benefits of technology

When inspecting complex and open areas, there is no need to repeatedly install and remove protective netting, which improves inspection efficiency and enhances the convenience and stability of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of unmanned aerial vehicles, and provides an unmanned aerial vehicle inspection protection structure which comprises an unmanned aerial vehicle body and a protection mechanism, and the protection mechanism comprises a protection net and a driving assembly. When the unmanned aerial vehicle body needs to be inspected in a complex area, the driving assembly is controlled to drive the multiple sets of protection nets to move relatively away from one another, so that the multiple sets of protection nets completely cover the upper portions of the multiple sets of paddles, and then the paddles can be protected; the driving assembly is controlled to drive the protective nets to move close to each other, so that the protective nets are located at the top end of the fuselage and can be stored, the protective nets do not need to be assembled and disassembled repeatedly when the unmanned aerial vehicle body goes back and forth for inspection in a complex area and an open area, operation is convenient, and the inspection efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an unmanned plane technical field, concretely relates to an unmanned plane inspection protection structure. BACKGROUND

[0002] Unmanned plane inspection refers to using unmanned plane to check specific area or facility periodically or irregularly, compared with traditional artificial inspection, unmanned plane can cover extensive area in short time, and quickly completes inspection task. At present, when unmanned plane inspects in the area with complex environment, to avoid that the outside dregs fall on the propeller of unmanned plane and cause the propeller damage, usually, protection structure is arranged on the propeller, but arranging protection structure on the propeller will block the airflow emitted, so that the airflow cannot diffuse freely, and propeller vortex is easily formed, thereby reducing the stability of unmanned plane flight, therefore, when unmanned plane inspects in open area, protection structure should be removed.

[0003] For example, the Chinese patent with the application number 202223260626.5 discloses an unmanned plane inspection wing protection device, which comprises an unmanned plane body, a bracket is fixedly installed on the upper end face corner of the unmanned plane body, an installation piece is fixedly installed on the upper end of the bracket, a small motor is fixedly penetrated on the upper end of the bracket, the small motor is movably penetrated in the installation piece, a fan blade is fixedly sleeved on the output shaft of the small motor, a protective cover is threadedly installed on the upper end face of the installation piece, an arc-shaped anti-collision piece is arranged on the outer side wall of the installation piece, and the anti-collision piece is fixedly connected with the outer side wall of the installation piece through the horizontally arranged first telescopic rod.

[0004] The protection structure in the prior art is directly installed on the propeller, when unmanned plane needs to inspect in complex area and open area back and forth, the protection structure needs to be repeatedly installed and removed, which is more troublesome and reduces the inspection efficiency. Therefore, in view of the above technical problems, an unmanned plane inspection protection structure is proposed. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an unmanned plane inspection protection structure, when unmanned plane inspects in complex area and open area back and forth, the protection net does not need to be repeatedly installed and removed, which is convenient to operate and improves the inspection efficiency.

[0006] An unmanned plane inspection protection structure comprises an unmanned plane body and a protection mechanism, the protection mechanism comprises:

[0007] A protection net is arranged on the propeller of the unmanned plane body in multiple groups, and the multiple groups of protection nets are slidably arranged at the top end of the fuselage of the unmanned plane body; and

[0008] A driving assembly is arranged on the unmanned aerial vehicle body and connected with the multiple groups of protective nets. The driving assembly can drive the multiple groups of protective nets to move away from or close to each other, so that the multiple groups of protective nets have a protective state of completely covering above the multiple groups of propellers and being coaxial with the propellers or a storage state of being located at the top end of the fuselage.

[0009] The unmanned aerial vehicle inspection protective structure has the following advantages:

[0010] When the unmanned aerial vehicle body needs to perform inspection in a complex area, the multiple groups of protective nets can be completely covered above the multiple groups of propellers by controlling the driving assembly to drive the multiple groups of protective nets to move away from each other, so as to protect the propellers. When the unmanned aerial vehicle body needs to perform inspection in an open area, the multiple groups of protective nets can be stored by controlling the driving assembly to drive the multiple groups of protective nets to move close to each other and be located at the top end of the fuselage. When the unmanned aerial vehicle body needs to perform inspection in a complex area and an open area, the protective nets do not need to be repeatedly installed and removed, which is convenient to operate and improves the inspection efficiency.

[0011] In one of the embodiments, the top end of the fuselage is provided with multiple groups of guide grooves along the circumference thereof, and the multiple groups of protective nets are provided with guide blocks on the circumferential sides thereof. The multiple groups of guide blocks are slidably arranged in the multiple groups of guide grooves. The guide grooves and the guide blocks can improve the stability of the sliding of the protective nets.

[0012] In one of the embodiments, the driving assembly includes a screw rod and a power assembly. The screw rod is rotatably arranged in the multiple groups of guide grooves and is parallel to the guide grooves and threadedly connected with the guide blocks. The power assembly is arranged on the fuselage and connected with the multiple groups of screw rods to synchronously drive the multiple groups of screw rods to rotate. The multiple groups of guide blocks can be driven to move away from each other by the power assembly driving the multiple groups of screw rods to synchronously rotate and threadedly cooperating with the multiple groups of guide blocks. The multiple groups of guide blocks can be driven to move close to each other by the power assembly driving the multiple groups of screw rods to synchronously rotate in the opposite direction and threadedly cooperating with the multiple groups of guide blocks. The driving of the multiple groups of protective nets to move away from or close to each other is convenient, and the multiple groups of guide blocks can be fixed by the power assembly stopping the rotation of the multiple groups of screw rods, so as to fix the multiple groups of protective nets. The fixing of the multiple groups of protective nets is convenient.

[0013] In one of the embodiments, the power assembly comprises a motor, a first bevel gear and a second bevel gear; the top end of the fuselage is provided with a mounting hole, the motor is arranged in the mounting hole, and the output end is coaxially provided with the first bevel gear, the opposite ends of the plurality of groups of screw rods are extended into the mounting hole, and the second bevel gears are coaxially arranged, and the plurality of groups of second bevel gears are engaged with the first bevel gear. By controlling the motor to drive the first bevel gear to rotate, the first bevel gear is engaged with the plurality of groups of second bevel gears to drive the plurality of groups of second bevel gears to synchronously rotate the plurality of groups of screw rods, and by controlling the motor to drive the first bevel gear to reversely rotate, the first bevel gear is reversely engaged with the plurality of groups of second bevel gears to drive the plurality of groups of second bevel gears to synchronously reversely rotate the plurality of groups of screw rods, and the driving of the plurality of groups of screw rods to synchronously rotate is convenient.

[0014] In one of the embodiments, the protection mechanism further comprises a collision prevention assembly, the plurality of groups of protection nets are provided with the collision prevention assemblies on the circumferential sides, the collision prevention assembly comprises a telescopic rod, an arc-shaped blocking strip and a buffer spring, the arc-shaped blocking strip is located on the circumferential side of the protection net, the fixed end of the telescopic rod is arranged on the circumferential side of the protection net, the telescopic end of the telescopic rod is connected to the inner side of the arc-shaped blocking strip, the buffer spring is sleeved on the telescopic rod, and the two ends are respectively abutted against the protection net and the arc-shaped blocking strip. When the arc-shaped blocking strip collides with an obstacle, the arc-shaped blocking strip is stressed to make the telescopic rod contract and press the buffer spring, and at this time, the buffer spring can buffer the impact force, thereby reducing the influence of the collision with the obstacle on the flight of the unmanned aerial vehicle body.

[0015] In one of the embodiments, the collision prevention assemblies are circumferentially spaced apart in a plurality of groups along the protection net. By arranging the plurality of groups of collision prevention assemblies, the impact forces received in different directions can be buffered, thereby further improving the anti-collision effect of the device.

[0016] In one of the embodiments, the outer side of the arc-shaped blocking strip is detachably provided with a rubber pad. By arranging the rubber pad, the arc-shaped blocking strip can be protected to avoid damage, and the buffering effect of the impact force can be improved, thereby further reducing the influence of the collision with the obstacle on the flight of the unmanned aerial vehicle body. Meanwhile, the rubber pad is detachably arranged, which facilitates the replacement of the damaged rubber pad and reduces the use cost.

[0017] In one of the embodiments, two groups of T-shaped clamping grooves are oppositely arranged on the outer side of the arc-shaped blocking strip, two groups of T-shaped clamping blocks are oppositely arranged on the rubber pad, and the two groups of T-shaped clamping blocks can be clamped in the two groups of T-shaped clamping grooves. The rubber pad and the arc-shaped blocking strip are clamped and connected, and the installation and dismounting of the rubber pad are convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiment of the present application, the following will be a brief introduction to the specific embodiment of the drawings needed to use. In all the drawings, the elements or parts are not necessarily drawn according to the actual proportion.

[0019] Figure 1 A three-dimensional structure schematic diagram of a storage state of a UAV inspection protection structure provided by an embodiment of the present application is shown in the figure.

[0020] Figure 2 A three-dimensional structure schematic diagram of a protection state of a UAV inspection protection structure is shown in the figure. Figure 1

[0021] Figure 3 An exploded view of a UAV inspection protection structure is shown in the figure. Figure 1

[0022] Figure 4 An exploded view of a protection mechanism in a UAV inspection protection structure is shown in the figure. Figure 1

[0023] An exploded view of a collision prevention assembly in a UAV inspection protection structure is shown in the figure. Figure 5 Figure 1

[0024] Reference signs:

[0025] 10, UAV body; 101, paddle; 102, fuselage; 103, guide groove; 104, mounting hole;

[0026] 20, protection net; 201, guide block;

[0027] 30, screw rod; 301, motor; 302, first bevel gear; 303, second bevel gear;

[0028] 40, telescopic rod; 401, arc-shaped blocking strip; 4011, T-shaped clamping groove; 402, buffer spring; 403, rubber pad; 4031, T-shaped clamping block. DETAILED DESCRIPTION

[0029] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, therefore only as an example, and cannot limit the protection scope of the present application.

[0030] Please refer to Figure 1 and Figure 2 A UAV inspection protection structure in an embodiment, comprising a UAV body 10 and a protection mechanism, the protection mechanism comprising a protection net 20 and a driving assembly.

[0031] ​​​​The protective nets 20 correspond to the plurality of blades 101 of the unmanned aerial vehicle body 10, and are slidably arranged at the top end of the fuselage 102 of the unmanned aerial vehicle body 10. Specifically, a plurality of guide grooves 103 are formed in the top end of the fuselage 102 along the circumference thereof, and a plurality of guide blocks 201 are arranged on the side of the plurality of protective nets 20 and are slidably arranged in the plurality of guide grooves 103. The cooperation of the guide grooves 103 and the guide blocks 201 can improve the stability of the sliding of the protective nets 20. A driving assembly is arranged on the unmanned aerial vehicle body 10 and is connected with the plurality of protective nets 20. The driving assembly can drive the plurality of protective nets 20 to move away from or close to each other, so that the plurality of protective nets 20 have a protective state of completely covering the plurality of blades 101 above and coaxially with the blades 101 or a storage state of being located at the top end of the fuselage 102.

[0032] In the above embodiment, when the unmanned aerial vehicle body 10 needs to be inspected in a complex area, the plurality of protective nets 20 can be completely covered above the plurality of blades 101 by controlling the driving assembly to drive the plurality of protective nets 20 to move away from each other, thereby protecting the blades 101. When the unmanned aerial vehicle body 10 needs to be inspected in an open area, the plurality of protective nets 20 can be stored by controlling the driving assembly to drive the plurality of protective nets 20 to move close to each other and be located at the top end of the fuselage 102. When the unmanned aerial vehicle body 10 is back and forth inspected in the complex area and the open area, the protective nets 20 do not need to be repeatedly installed and removed, which is convenient to operate and improves the inspection efficiency.

[0033] Please refer to Figure 1 , Figure 3 and Figure 4 In an embodiment, the driving assembly includes a screw rod 30 and a power assembly. The screw rod 30 is rotatably arranged in the plurality of guide grooves 103 and is parallel to the guide grooves 103 and is threadedly connected with the guide blocks 201. The power assembly is arranged on the fuselage 102 and is connected with the plurality of screw rods 30 and is used to drive the plurality of screw rods 30 to synchronously rotate.

[0034] In the above embodiment, the plurality of guide blocks 201 can drive the plurality of protective nets 20 to move away from each other by the power assembly driving the plurality of screw rods 30 to synchronously rotate and threadedly cooperating with the plurality of guide blocks 201. The plurality of guide blocks 201 can drive the plurality of protective nets 20 to move close to each other by the power assembly driving the plurality of screw rods 30 to synchronously rotate in the opposite direction and threadedly cooperating with the plurality of guide blocks 201. It is convenient to drive the plurality of protective nets 20 to move away from or close to each other. The plurality of guide blocks 201 can be fixed by the power assembly stopping driving the plurality of screw rods 30 to rotate, thereby fixing the plurality of protective nets 20. It is convenient to fix the plurality of protective nets 20.

[0035] Please refer to Figure 1 , Figure 3 and Figure 4In an embodiment, the power assembly comprises a motor 301, a first bevel gear 302 and a second bevel gear 303; the top end of the fuselage 102 is provided with a mounting hole 104, the motor 301 is arranged in the mounting hole 104, and the output end is coaxially provided with the first bevel gear 302, the opposite ends of the plurality of groups of screw rods 30 extend into the mounting hole 104, and the second bevel gears 303 are coaxially arranged. A plurality of groups of second bevel gears 303 are engaged with the first bevel gear 302.

[0036] In the above embodiment, by controlling the motor 301 to drive the first bevel gear 302 to rotate, the first bevel gear 302 is engaged with the plurality of groups of second bevel gears 303 to drive the plurality of groups of second bevel gears 303 to rotate synchronously, and by controlling the motor 301 to drive the first bevel gear 302 to rotate in reverse, the first bevel gear 302 is engaged with the plurality of groups of second bevel gears 303 to drive the plurality of groups of second bevel gears 303 to rotate in reverse synchronously, which is convenient for driving the plurality of groups of screw rods 30 to rotate synchronously.

[0037] Please refer to Figure 4 and Figure 5 In an embodiment, the protection mechanism further comprises a collision prevention assembly, and the plurality of groups of protective nets 20 are each provided with a collision prevention assembly. The collision prevention assembly comprises a telescopic rod 40, an arc-shaped blocking strip 401 and a buffer spring 402. The arc-shaped blocking strip 401 is located on the periphery of the protective net 20, the fixed end of the telescopic rod 40 is arranged on the periphery of the protective net 20, the telescopic end of the telescopic rod 40 is connected to the inner side of the arc-shaped blocking strip 401, and the buffer spring 402 is sleeved on the telescopic rod 40 and abuts against the protective net 20 and the arc-shaped blocking strip 401 at both ends.

[0038] In the above embodiment, when the arc-shaped blocking strip 401 collides with an obstacle, the arc-shaped blocking strip 401 is forced to make the telescopic rod 40 contract and press the buffer spring 402, so that the buffer spring 402 can buffer the impact force, thereby reducing the impact of the obstacle on the flight of the unmanned aerial vehicle body 10.

[0039] On the basis of the above embodiment, further, a plurality of groups of collision prevention assemblies are arranged at intervals along the periphery of the protective net 20. By arranging a plurality of groups of collision prevention assemblies, the impact forces received in different directions can be buffered, thereby further improving the anti-collision effect of the device.

[0040] Please refer to Figure 4 and Figure 5 In an embodiment, the outer side of the arc-shaped blocking strip 401 is detachably provided with a rubber pad 403. Specifically, two groups of T-shaped clamping grooves 4011 are oppositely arranged on the outer side of the arc-shaped blocking strip 401, and two groups of T-shaped clamping blocks 4031 are oppositely arranged on the rubber pad 403, and the two groups of T-shaped clamping blocks 4031 can be clamped in the two groups of T-shaped clamping grooves 4011.

[0041] In the above embodiment, the arc-shaped fender 401 is protected by the rubber pad 403, so as to avoid damage of the arc-shaped fender 401, improve the buffering effect of the impact force, and further reduce the influence of the impact on the flight of the unmanned aerial vehicle body 10. Meanwhile, the rubber pad 403 is connected with the arc-shaped fender 401 in a clamping manner, so that the rubber pad 403 is convenient to install, dismount and replace after damage, and the use cost is reduced.

[0042] The specific implementation of the unmanned aerial vehicle inspection protection structure is as follows:

[0043] When the unmanned aerial vehicle body 10 needs to perform inspection in a complex area, the first bevel gear 302 is driven to rotate by the motor 301, the first bevel gear 302 is meshed with the plurality of second bevel gears 303, so as to drive the plurality of second bevel gears 303 to synchronously rotate the plurality of screw rods 30, the plurality of screw rods 30 are synchronously rotated and threadedly matched with the plurality of guide blocks 201, so as to drive the plurality of guide blocks 201 to relatively move away and drive the plurality of protective nets 20 to completely cover above the plurality of blades 101, thereby protecting the blades 101. When the unmanned aerial vehicle body 10 needs to perform inspection in an open area, the first bevel gear 302 is reversely driven to rotate by the motor 301, the first bevel gear 302 is reversely meshed with the plurality of second bevel gears 303, so as to drive the plurality of second bevel gears 303 to synchronously reversely rotate the plurality of screw rods 30, the plurality of screw rods 30 are synchronously reversely rotated and threadedly matched with the plurality of guide blocks 201, so as to drive the plurality of guide blocks 201 to relatively move close and drive the plurality of protective nets 20 to be located at the top end of the fuselage 102, thereby storing the plurality of protective nets 20. Thus, when the unmanned aerial vehicle body 10 reciprocally performs inspection in the complex area and the open area, the protective nets 20 do not need to be repeatedly installed and dismounted, the operation is convenient, and the inspection efficiency is improved.

[0044] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some or all of the technical features can be replaced by equivalents. The modifications or replacements do not change the essence of the corresponding technical solutions, and should be covered in the scope of the claims and the specification of the present application.

Claims

1. An unmanned aerial vehicle inspection patrol protection structure, characterized in that, The unmanned aerial vehicle body (10) and the protection mechanism, the protection mechanism comprises: A plurality of groups of protection nets (20) are arranged on the blades (101) of the unmanned aerial vehicle body (10), and the plurality of groups of protection nets (20) are slidably arranged at the top end of the fuselage (102) of the unmanned aerial vehicle body (10); and A driving assembly is arranged on the unmanned aerial vehicle body (10) and connected with the plurality of groups of protection nets (20), the driving assembly can drive the plurality of groups of protection nets (20) to move away from or close to each other, so that the plurality of groups of protection nets (20) have a protection state of completely covering the plurality of groups of blades (101) above and coaxially with the blades (101) or a storage state of being located at the top end of the fuselage (102).

2. The unmanned aerial vehicle inspection patrol protection structure according to claim 1, wherein, A plurality of groups of guide grooves (103) are formed in the top end of the fuselage (102) along the circumference thereof, a plurality of groups of guide blocks (201) are arranged on the circumferential side of the plurality of groups of protection nets (20), and the plurality of groups of guide blocks (201) are slidably arranged in the plurality of groups of guide grooves (103).

3. The unmanned aerial vehicle inspection patrol protection structure according to claim 2, wherein, The driving assembly comprises a screw rod (30) and a power assembly; the screw rod (30) is rotatably arranged in the plurality of groups of guide grooves (103), the screw rod (30) is arranged in parallel with the guide grooves (103) and is threadedly connected with the guide blocks (201), and the power assembly is arranged on the fuselage (102) and connected with the plurality of groups of screw rods (30) to drive the plurality of groups of screw rods (30) to rotate synchronously.

4. The unmanned aerial vehicle inspection patrol protection structure according to claim 3, characterized in that, The power assembly comprises a motor (301), a first bevel gear (302) and a second bevel gear (303); the top end of the fuselage (102) is provided with a mounting hole (104), the motor (301) is arranged in the mounting hole (104) and has the first bevel gear (302) coaxially arranged on the output end, the opposite ends of the plurality of groups of screw rods (30) extend into the mounting hole (104) and have the second bevel gears (303) coaxially arranged thereon, and the plurality of groups of second bevel gears (303) are engaged with the first bevel gear (302).

5. The unmanned aerial vehicle inspection structure of claim 1, wherein, The protection mechanism further comprises a collision avoidance assembly, the collision avoidance assembly is arranged on the circumferential side of the plurality of groups of protection nets (20), the collision avoidance assembly comprises a telescopic rod (40), an arc-shaped blocking strip (401) and a buffer spring (402), the arc-shaped blocking strip (401) is located on the circumferential side of the protection net (20), the fixed end of the telescopic rod (40) is arranged on the circumferential side of the protection net (20), the telescopic end of the telescopic rod (40) is connected with the inner side of the arc-shaped blocking strip (401), and the buffer spring (402) is sleeved on the telescopic rod (40) and abuts against the protection net (20) and the arc-shaped blocking strip (401) at both ends.

6. The unmanned aerial vehicle inspection patrol protection structure according to claim 5, wherein, A plurality of groups of the collision avoidance assemblies are arranged on the circumferential side of the protection net (20) at intervals.

7. The unmanned aerial vehicle inspection patrol protection structure according to claim 5, wherein, The outer side of the arc-shaped blocking strip (401) is detachably provided with a rubber pad (403).

8. The unmanned aerial vehicle inspection patrol protection structure according to claim 7, wherein, The arc-shaped fender (401) is provided with two groups of T-shaped clamping grooves (4011) on the opposite sides, and two groups of T-shaped clamping blocks (4031) are arranged on the rubber pad (403) in pairs, and the two groups of T-shaped clamping blocks (4031) can be clamped in the two groups of T-shaped clamping grooves (4011).

Citation Information

Patent Citations

  • Wing protection device for inspection of unmanned aerial vehicle

    CN219029792U