An integrated landing gear retraction priority control switch

Abstract

The invention relates to an integrated type retracting-dropping priority control switch of a landing gear, belonging to the technical field of aircraft system design. A rear compartment landing gear retracting-dropping control switch is divided into a retracting position, a dropping position and a middle-standing position, equipped with a gas inlet tube nozzle, a tube nozzle I, a tube nozzle II and a tube nozzle III which are connected with a front compartment landing gear retracting-dropping control switch, and a tube nozzle IV and a tube nozzle V which are connected with a landing gear retracting-dropping actuator cylinder. The integrated type retracting-dropping priority control switch of the landing gear, disclosed by the invention, adopts a purely mechanical integrated switch to complete control on the reacting position, the middle-standing position and the dropping position of the landing gear by a rear compartment pilot, and adopts a security device to prevent retracting or dropping wrong operation, so that the reacting-dropping of the landing gear is controlled by the rear compartment pilot prior to a front compartment pilot. The integrated type retracting-dropping priority control switch of the landing gear, disclosed by the invention, is a product which adopts a purely mechanical integrated switch and has a prior control function, so that not only can various functional needs of the airplane be met, but also the complexity of the system is greatly lowered, the installation and maintenance space and the manufacturing cost of the airplane are saved, and the reliability and the maintenance of the airplane are strengthened.

Description

Technical field [0001] The invention relates to an integrated landing gear retracting priority control switch, which belongs to the technical field of aircraft system design. Background technique [0002] Modern aircraft control design is developing towards multi-functional integration. The application of mechatronics technology can achieve a variety of complex functions, but the complexity of the system is correspondingly increased, which increases the difficulty of design and increases the cost of manufacturing and maintenance. At present, the aircraft pneumatic system controls the landing gear retractable, organic-electrical control, mechanical control, electro-mechanical-hydraulic integrated control and other forms. Complex control forms such as electromechanical control and electromechanical-hydraulic integrated control require cables and switches in the cockpit, and valves on the pipeline to complete the landing gear retracting control, occupying a large space and weight of...

AI Technical Summary

Problems solved by technology

Complex control forms such as electromechanical control and electromechanical-hydraulic integrated control require cables and switches in the cockpit, and valves on the pipeline to work together to complete the landing gear retraction control, which takes up a lot of space and weight of the aircraft, and the control circuit is more complicated. poor reliability

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