Rapid hole-forming edge trimmer of slide-resistant pile rotary excavating drill

The utility model discloses an anti-slide pile rotary drill rapid hole-forming trimmer which comprises a trimming cutter, the trimming cutter is in a rectangular frame shape, a beating mechanism is arranged in the trimming cutter, and the beating mechanism comprises two supporting plates which are fixed to the inner side surface of the trimming cutter and correspond to each other in position. And the upper surfaces of the two supporting plates are fixedly connected with two limiting mounting blocks which are mutually symmetrical in position. The beating assembly is arranged on the inner side of the trimming cutter, when a driving machine drives the trimming cutter to descend into the circular guide hole, the double-shaft driving motor is used for driving the movable push plate to move towards the two sides in a reciprocating mode, and therefore the beating block is driven to repeatedly vibrate and beat the inner side surface of the trimming cutter. When the trimming cutter descends to trim the inner wall of t