Perforating extension ladder of percussion drill

The utility model discloses a percussion drill punching extension ladder which comprises a first vertical framework and a second vertical framework, a first transverse framework is arranged on one side of the first vertical framework and one side of the second vertical framework, and an operating handle is arranged on the other side of the first vertical framework and the other side of the secondvertical framework. A second transverse framework and a third transverse framework are arranged on the two sides of the first vertical framework and the two sides of the second vertical framework correspondingly. According to the percussion drill fixing device, the frameworks are fixed through the bolts, the angles can be flexibly adjusted, movable stretching among the frameworks is achieved, theadjustable movable bracket is matched with the hoop and the U-shaped clamping groove, the percussion drill can be conveniently fixed, and the working stability of the percussion drill is improved; thepercussion drill is conven