The invention provides a large-stroke aircraft airfoil static force loading system and method for aircraft strength testing, and belongs to the technical field of aircraft testing. Comprising a supporting body, a cylinder, a fixed supporting airbag connected with the side, away from the supporting body, of the cylinder, an air source connecting element providing an air source for the cylinder and the fixed supporting airbag, and a pneumatic control element. Static force loading is carried out on the tip position of the aircraft airfoil through the fixed supporting air bag which is light in weight and small in rigidity, the fixed supporting air bag has small influence and damage on the characteristics of the aircraft airfoil, the dynamic characteristics of the aircraft structure cannot be excessively changed, the effect of large-stroke loading is completed through the air cylinder, the overall volume is increased, and the loading efficiency is improved. The additional rigidity and damping of the whole device to the aircraft airfoil are reduced, the load spectrum of the structure during actual flight of the aircraft is restored as much as possible, and static loading after deformation of the tip part of the aircraft airfoil is better fitted.
本发明提供了飞机强度测试的大行程飞机翼面静力加载系统及方法,属于飞机测试技术领域。包括支撑主体、气缸、与气缸远离支撑主体一侧连接的固定支撑气囊、为气缸和固定支撑气囊提供气源的气源连接元件、气动控制元件;通过自身质量轻、刚度小的固定支撑气囊对飞机翼面尖端位置进行静力加载,该固定支撑气囊对飞机翼面自身特性的影响和损伤小,不会过多的改变飞机结构的动态特性,通过气缸完成大行程加载的作用,增加了整体的容积,即减小了装置整体对飞机翼面的附加刚度和阻尼,尽可能真实的还原飞机实际飞行时结构的载荷谱,更加贴合飞机翼面尖端部位变形后的静力加载。
Large-stroke aircraft airfoil static force loading system and method for aircraft strength test
飞机强度测试的大行程飞机翼面静力加载系统及方法
2022-06-17
Patent
Electronic Resource
Chinese
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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