Dust monitoring and falling device for stope

The utility model relates to the field of stope dust falling structures, in particular to a stope dust monitoring and falling device, which comprises a dust falling pipe fitting and a liquid preparation unit, the dust falling pipe fitting is formed by combining a main pipeline, a branch pipe and a dust falling nozzle, the main pipeline, the branch pipe and the dust falling nozzle are connected through high-strength flanges, and a fixing frame is mounted on the outer wall of the main pipeline; the branch pipes are distributed on the same side or different sides of the main pipeline at equal intervals, the tail end of each branch pipe is provided with a dust falling nozzle in a matched mode, and the liquid spraying form of each dust falling nozzle is conical and expands outwards; the liquid preparation unit comprises a liquid preparation box which is fixedly installed on the outer wall of the branch pipe in the circumferential direction at equal angles, a liquid preparation pipe is arranged at the tail end of t