The invention discloses a steam-driven catapult for a shipboard aircraft, which comprises a steam accumulator, a cylinder body of a catapult cylinder, a traction piston assembly of the catapult cylinder, an undercarriage tractor and a hydraulic oil and electric control system. Two U-shaped sealing tapes controlled by a plurality of hydraulic cylinders are respectively arranged on bulges at both sides of a top opening of the cylinder body; in the propelling process of the traction piston assembly, a pair of Hall sensing elements at the position where the traction piston assembly reaches can be sequentially an immediately triggered by a magnetic conductive strip of a directing plate; the triggered Hall elements output synchronous sensing signals; synchronous actuation of two hydraulic cylinders at both sides is implemented by the electric control system and simultaneously, detection on the operation position of the traction piston assembly is completed; the U-shaped sealing tapes at both sides are synchronously propelled to the center line of the top opening so as to implement dynamic continuous sealing of the upstream section of the traction piston assembly in the propelling process at the top opening of the cylinder body. According to the invention, the opening sealing mode adopted on the cylinder body of the catapult high-pressure cylinder is an oppositely-opening and closed sealing mode and the steam-driven catapult has the outstanding advantages at the aspects of a manufacturing process and use.


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    Title :

    Steam-driven catapult for shipboard aircraft


    Contributors:

    Publication date :

    2015-07-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen



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