Monitoring device used in mine

The utility model discloses a monitoring device used in a mine, relates to the technical field of mine monitoring, and solves the problem that monitoring pictures are missing and incomplete due to thefact that most of existing monitoring devices and ash removal devices of camera lenses directly sweep and rub the lenses back and forth through hairbrushes and shooting vision fields can be blocked.A monitoring device used in a mine comprises a camera body, a rectangular plastic shielding plate, a clamping plate groove, a motor and an inserting frame, and the camera body is integrally arranged in a cylindrical shape; the two clamping plate grooves are arranged in a bilateral symmetry mode, and the inner side walls of the two clamping plate grooves are each fixedly provided with a sponge through a hook-and-loop fastener. The motor is locked and installed under the space between the two clamping plate grooves. The whole inserting frame is arranged in a flat inverted n shape; and the rectangular plastic shielding pl