Auxiliary prompting device for impeller brake

The utility model discloses an impeller brake auxiliary prompting device, and relates to the field of wind power equipment, in particular to an impeller brake auxiliary prompting device which comprises a locking prompter, a locking hub, a positioning round hole and the like. By using the impeller brake locking device, the safety and the reliability can be improved. The position of the impeller is monitored through the proximity switch and the sensor, it is ensured that the impeller is correctly locked, a feedback state lamp is controlled to remind a worker to conduct locking operation, and the risk of accidents is effectively reduced. Meanwhile, a plurality of sensors are adopted for providing redundancy monitoring, even if one sensor breaks down, the system can still work normally, and the locking accuracy of the impeller is ensured. Operation is simple, convenient and visual, a worker only needs to carry out locking operation according to prompt of a state lamp, a feedback state lamp of a bottom sensor furt