Helicopter wheel load signal measuring device and method

The invention belongs to the flight test real-time monitoring technology, and discloses a helicopter wheel load signal measuring device and method, and the device comprises an installation support, installation bolts, and a flexible stress test array. The mounting bracket is of an annular structure with an opening in one end, two lugs are arranged at the opening, the mounting bracket is arranged on a cylindrical support of the undercarriage cross beam assembly in a sleeving manner, and the mounting bolt penetrates through the two lugs to lock and fix the mounting bracket; the flexible stress test array is arranged between the mounting bracket and the cylindrical support, measures stress change data between the cylindrical support and the mounting bracket, and transmits the stress change data to the processor for data interpretation, so that a wheel load signal is obtained. 本发明属于飞行试验实时监控技术，公开了一种直升机轮载信号测量装置及方法，装置包括：安装支架、安装螺栓、柔性应力测试阵列；安装支架为一端开口的环形结构，且开口处设有两个耳片，所述安装支架套设在起落架横梁组件的圆筒型支座上，所述安装螺栓穿过两个耳片将安装支架锁紧固定；柔性应力测试