Variable length unmanned aerial vehicle wing

By using a retractable inner and outer wing structure, combined with the design of pulley components and a power unit, the wing length of the UAV can be made variable, which solves the problem that the performance cannot be maximized due to the fixed wing length of the UAV, and improves flight efficiency and the durability of the power unit.

CN117734985BActive Publication Date: 2026-05-29AEROSPACE SHENZHOU AIRCRAFT

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
AEROSPACE SHENZHOU AIRCRAFT
Filing Date
2023-12-04
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The wingspan of existing drones is fixed and cannot be adjusted according to actual flight needs, resulting in the inability to maximize performance.

Method used

It adopts a retractable inner and outer wing structure, combined with pulley assembly, power unit and energy storage device. The power unit provides the power for the outer wing to deploy, and the energy storage device provides the assistance for the wing to retract, so that the wing length can be changed.

Benefits of technology

The variable-length wing structure reduces the burden on the motor, improves the efficiency of wing deployment and retraction, increases the durability of the power unit, and simplifies installation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN117734985B_ABST
    Figure CN117734985B_ABST
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Abstract

The application discloses a variable-length unmanned aerial vehicle wing, which comprises an inner wing, an outer wing, a pulley assembly, a power device and a force storage device, the inner wing and the outer wing are telescopically connected with each other, the pulley assembly comprises a fixed pulley and a movable pulley which are connected with each other, the output end of the fixed pulley is fixedly connected with the end of one side of the outer wing, one end of the movable pulley is connected with the power device through a steel wire, and one end of the force storage device is fixedly connected with the end of one side of the inner wing and the other end is fixedly connected with the end of one side of the outer wing, so as to store force when the inner wing and the outer wing are elongated and provide power assistance when the inner wing and the outer wing are contracted. The application solves the problem that the length of the conventional unmanned aerial vehicle wing cannot be adjusted, and the structure can greatly save the motor burden when the wing is elongated through the combination of the fixed pulley and the movable pulley, and can greatly reduce the output power of the power device and increase the durability of the power device when the wing is contracted through the rebound of the force storage device. The application has the advantages of simple structure and small installation difficulty.
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