The invention discloses an aircraft landing gear aerodynamic load simulation loading device, and belongs to the technical field of aircraft landing gear tests. The device comprises a parallel four-bar mechanism, a fixed support, a motor, a gearbox, a hydraulic loading oil cylinder, a connecting piece, a force sensor and an angular displacement sensor, the parallel four-bar mechanism comprises a connecting rod, a crank and a swing rod, and the crank and the swing rod are respectively hinged to the fixed support; the motor is matched with the gearbox to drive the crank to rotate around the fixed support; the hydraulic loading oil cylinder is mounted on the connecting rod and is connected with an aircraft landing gear through a connecting piece; the force sensor is mounted on the connecting piece; and the angular displacement sensor is arranged on the fixed support. Compared with the prior art, the air resistance load simulation test device has the advantages that air resistance load simulation loading can be achieved, the hydraulic loading oil cylinder can meet the test requirements of undercarriages of various heights without a large stroke, and the air resistance load simulation test device is simple in structure and easy and convenient to control and operate under the condition that the use requirements are met.

    本发明公开了一种飞机起落架气动载荷模拟加载装置,属于飞机起落架试验技术领域。该装置包括平行四连杆机构、固定支座、电机、变速箱、液压加载油缸、连接件、力传感器以及角位移传感器,平行四连杆机构包括连杆、曲柄以及摆杆,曲柄和摆杆的分别铰接于固定支座;电机与变速箱配合以驱动曲柄绕固定支座转动;液压加载油缸安装于连杆上,且通过连接件连接飞机起落架;力传感器安装于连接件上;角位移传感器安装于固定支座上。本发明相较于现有技术具有如下有益效果:可实现空气阻力载荷的模拟加载,且液压加载油缸不需大的行程就可以满足各种高度起落架的试验需求,在满足使用需求的要求下,结构简单,控制、操作简单方便。


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    Title :

    Aircraft landing gear aerodynamic load simulation loading device


    Additional title:

    一种飞机起落架气动载荷模拟加载装置


    Contributors:
    ZHENG JIANFEN (author) / PENG MUPING (author) / WU YONGQIANG (author) / PENG BO (author) / CHENG XIN (author) / LI LIXIANG (author)

    Publication date :

    2025-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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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