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Electromagnetic catapult driven by brushless motor and method

A brushless motor, motor-driven technology, applied in the direction of launch/drag transmission, can solve the problems of heavy linear motor catapult system, low reliability of elastic catapult, long deployment time, etc., to achieve rapid deployment, structural Simple, reliable and maintainable

Pending Publication Date: 2021-03-16
AEROSPACE TIMES FEIHONG TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Pneumatic and hydraulic cylinders are used as the power source, the structure is relatively complex and the deployment time is long, the linear motor catapult system is heavy, and the reliability of the elastic catapult is low

Method used

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  • Electromagnetic catapult driven by brushless motor and method

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Embodiment Construction

[0029] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0030] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0032] The invention provides an electromag...

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Abstract

The invention provides an electromagnetic catapult driven by a brushless motor and a method, and relates to the technical field of aircraft design. The electromagnetic catapult is high in response speed, simple in structure, controllable in catapult parameters, efficient, reliable and high in adaptability. The catapult comprises a catapult frame, a tackle, steel cables and a motor driving device;the tackle is arranged at the top of the catapult frame, and the steel cable is annular, is wound on the periphery of the catapult frame and is sequentially connected with the tackle and the motor driving device; the catapult further comprises four guide wheels, and every two guide wheels are arranged at the two ends of the catapult frame respectively; the four guide wheels and a wire wheel are positioned on the same plane; and the steel cables are respectively wound in the fixing grooves of four guide wheels and the wire wheel and are in a tensioning state. The technical scheme provided by the invention is suitable for the catapulting process of an unmanned aerial vehicle.

Description

【Technical field】 [0001] The invention relates to the technical field of aircraft design, in particular to an electromagnetic catapult driven by a brushless motor and a method thereof. 【Background technique】 [0002] The catapult take-off method of medium and small UAVs has the advantages of strong site adaptability, flexible maneuverability, high efficiency and low cost, etc., which can realize the rapid take-off of UAV systems and facilitate transportation and transfer. The UAV ejection device needs to meet the requirements of simple structure, easy deployment, short response time, and high reliability to ensure the stability and efficiency of the UAV system. [0003] Conventional UAV ejection systems mostly use air, hydraulic cylinders, rubber bands or linear motors as power sources to achieve boosted ejection of the aircraft. Pneumatic and hydraulic cylinders are used as power sources, and the structure is relatively complex and the deployment time is long. The linear m...

Claims

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Application Information

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IPC IPC(8): B64F1/06
CPCB64F1/06
Inventor 陆方舟姜梁庞冲崔志兴
Owner AEROSPACE TIMES FEIHONG TECH CO LTD
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