Adjustable speed measurement feedback device

The utility model relates to the technical field of speed measurement, and discloses an adjustable speed measurement feedback device, which is provided with a plurality of overlapped speed measurement bodies, each speed measurement body is provided with an arc through hole and a locking screw rod, when the rotation frequency is low, the test frequency needs to be improved, the screw rods need to be loosened, and more groups of effective feedback detection parts are obtained after the speed measurement bodies relatively rotate, so that the speed measurement accuracy is improved. Then the screw rod is locked; when the rotation frequency is high, the test frequency needs to be reduced, the screw rod needs to be adjusted, the speed measurement bodies need to be rotated, the multiple speed measurement bodies are overlapped to form a single-group feedback detection part, and the problem that equipment damage or signal errors are caused due to the fact that a fixed detection device is difficult to meet multiple spee