Elevator running speed detection auxiliary device for mine

The utility model discloses an elevator running speed detection auxiliary device for a mine. Relating to the field of auxiliary devices, two protective plates, the two protection plates are oppositelyarranged; a conveying belt is arranged between the two protection plates; a plurality of supporting plates are fixedly connected to the outer wall of the conveying belt at equal intervals. A first bulb is fixedly installed on one side of the back face of one protection plate, a second bulb is fixedly installed on the other side of the back face of the protection plate, a first conductive block and a second conductive block are arranged on the two sides of the front face of the protection plate respectively, a conductive plate is arranged on the back face of one supporting plate, and springs are symmetrically and fixedly connected to the front face of the conductive plate. According to the utility model, the setting mode that the first bulb and the second bulb are matched with each other is utilized, the average s