Protection device for auxiliary plow of coal plough

The utility model discloses a coal plough auxiliary plough protection device which comprises a coal plough rear side support and two end plates arranged at the ends of the coal plough rear side support, the coal plough rear side support is of a V-shaped structure, one side of each end plate is provided with a supporting frame, the top of each supporting frame is provided with channel steel, one side of each channel steel is provided with a first iron plate, and the other side of each channel steel is provided with a second iron plate. An adjusting mechanism is arranged on one side of the first iron plate, a second iron plate is arranged on the adjusting mechanism, a limiting mechanism is arranged between the first iron plate and the second iron plate, and a convex support is arranged on one side of the second iron plate. A series of structures are arranged, the center of the lower idler wheel is aligned with the edge of the belt, when the coal plough falls to work, the working face of the idler wheel and the