The invention belongs to the technical field of landing gear drop tests, and particularly relates to a self-adaptive adjustable lifting force simulation device. The device comprises an air tank (1), an inner cylinder (2), a piston (3), a piston rod (4), a flexible air bag (5) and a small air chamber (6), the inner cylinder (2) is fixed in the gas tank (1), the piston (3) is located in the inner cylinder (2), the inner cylinder (2) below the piston (3) is communicated with an inner cavity of the gas tank (1), and a piston rod penetrates through the gas tank (1) of the inner cylinder (2) and then is connected with a test body (15) outside the gas tank (1) through an elastic connecting piece (14); the small air chamber (6) is connected to the outer side of the air tank (1) and connected with an inner cavity of the air tank (1), the flexible air bag (5) is located in the small air chamber (6) and provided with an air bag exhaust valve (8), and the flexible air bag (5) and the air tank (1) are connected with an air source (10). According to the invention, the lifting force simulation accuracy in the landing gear drop test and the whole aircraft drop test can be obviously improved.

    本申请属于起落架落震试验技术领域,特别涉及一种自适应可调升力模拟装置。该装置包括气罐(1)及内筒(2)、活塞(3)、活塞杆(4)、柔性气囊(5)、小气室(6);内筒(2)固定在气罐(1)内,活塞(3)位于内筒(2)内,活塞(3)下方的内筒(2)与气罐(1)内腔连通,活塞杆穿过内筒(2)其气罐(1)后,在气罐(1)外部通过弹性连接件(14)连接试验体(15);小气室(6)连接于气罐(1)外侧,并连接气罐(1)内腔,柔性气囊(5)位于小气室(6)内,柔性气囊(5)具有气囊排气阀(8),且柔性气囊(5)与气罐(1)连接气源(10)。本申请可显著提高起落架落震试验与飞机整机落震试验中的升力模拟准确度。


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    Titel :

    Self-adaptive adjustable lifting force simulation device


    Weitere Titelangaben:

    一种自适应可调升力模拟装置


    Beteiligte:
    LIU XIAOCHUAN (Autor:in) / CHEN YI (Autor:in) / ZHANG FEI (Autor:in) / YANG ZHENGQUAN (Autor:in) / HU RUI (Autor:in) / XUE YUNFANG (Autor:in) / YANG JIANBO (Autor:in)

    Erscheinungsdatum :

    2023-09-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / 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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