The invention provides a device and a method for measuring the longitudinal gravity center and the pitching inertia of a full-aircraft wind tunnel test model. The measuring device comprises a rotating shaft support assembly, a model support body, a suspension clamp, a suspension spring and a dynamometer, wherein the rotating shaft support assembly comprises a rotating shaft inner ring and a rotating shaft outer ring, the rotating shaft inner ring is fixedly connected with the rotating shaft support, and the rotating shaft outer ring is fixedly connected with the model supporting body; the model supporting body is used for manufacturing the full-aircraft wind tunnel test model; the suspension device is provided with a groove matched with a symmetry plane structure of the tail structure of the full-aircraft wind tunnel test model, the suspension device is fixedly connected with the symmetry plane structure of the tail structure of the full-aircraft wind tunnel test model, and hooks are arranged on the upper surface and the lower surface of the suspension device respectively; one end of the suspension device or the dynamometer is connected with a base on the top surface of the wind tunnel, and the other end is connected to a hook of the suspension device. According to the invention, the quality characteristic iterative design and verification period of the wind tunnel model can be effectively shortened.
本申请提供了一种全机风洞试验模型纵向重心及俯仰惯量测量装置及方法,该测量装置包括:转轴支座组件、模型支撑体、悬挂夹具、悬挂弹簧和测力计;其中,所述转轴支座组件包括转轴内圈和转轴外圈,所述转轴内圈与转轴支座固定连接,转轴外圈与模型支撑体固定连接;所述模型支撑体制成所述全机风洞试验模型;所述悬挂装置具有适配全机风洞试验模型尾部构造对称面结构的凹槽,所述悬挂装置与全机风洞试验模型尾部构造对称面结构固定连接,其中,所述悬挂装置的上下面分别设有挂钩;所述悬挂装置或测力计一端与风洞顶面上的基座连接,另一端连接至悬挂装置的挂钩上。本申请可以有效缩短风洞模型的质量特性迭代设计与验证周期。
Device and method for measuring longitudinal gravity center and pitching inertia of full-aircraft wind tunnel test model
全机风洞试验模型纵向重心及俯仰惯量测量装置及方法
2024-05-28
Patent
Electronic Resource
Chinese
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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