Auxiliary bracket of self-walking hard rock heading machine

The utility model discloses an auxiliary bracket of a self-walking type hard rock heading machine, which belongs to the technical field of heading machine driving auxiliary equipment and comprises a self-walking type hard rock heading machine chassis frame, inclined rotating supporting legs are arranged on the rear side of the heading machine chassis frame, crawler wheels are arranged on two sides of the middle position of the heading machine chassis frame, and the crawler wheels are connected with the self-walking type hard rock heading machine chassis frame. A loading mechanism is arranged on the front side of the heading machine chassis frame, a bracket plate is arranged below the heading machine chassis frame, symmetrical limiting protrusions are arranged on the two sides of the middle position of the upper surface of the bracket plate, the widths of the limiting protrusions are sequentially increased from front to back, and anti-collision belts are bonded to the inner side faces of the limiting protrusio