Automatic coal slurry excavating machine for water-flowing lane of underground mine

The invention discloses an automatic coal slurry excavating machine for a water-flowing lane of an underground mine. The automatic coal slurry excavating machine comprises an upper guide rail, a lowerguide rail and a coal slurry excavating device, wherein the length directions of the upper guide rail and the lower guide rail are arranged along the length direction of the lane; the upper guide rail is fixed to the upper part of a left side wall of the lane; the lower guide rail is fixed to the ground of the right side of the lane; the coal slurry excavating machine comprises a movable truss and an excavating mechanism; and the movable truss is connected with the upper guide rail and the lower guide rail in a rolling manner and can be moved along the length direction of the lane. In summary, according to the automatic coal slurry excavating machine disclosed by the invention, the movable truss is slid on the upper guide rail and the lower guide rail and is moved in the length directionof the lane, and due to th