Underground waste rock overturn device

An underground waste rock overturn device comprises a tramcar forerake unloading support slantly arranged at the position of a flat lane entrance. A device for dragging a tramcar through power is arranged on the tramcar forerake unloading support, a waste rock overturn support chute is arranged below the front end of the tramcar forerake unloading support in a vertical shaft side, and the lower end of the waste rock overturn support chute corresponds to the position of a lifting barrel of a vertical shaft lifting device. An upper layer disc of a lifting disc of the vertical shaft lifting device and a base plate of a horse head door are located in a same horizontal plane. The front end of the tramcar forerake unloading support in the vertical shaft side is 500mm higher than the upper layer disc of the lifting disc, and a distance between the most front end of the tramcar forerake unloading support and a center of a vertical shaft cylinder is 1m. the underground waste rock overturn device is simple in transform