Pile cutting machine for constructional engineering

The utility model relates to the technical field of constructional engineering equipment, and discloses a pile cutting machine for constructional engineering, which comprises a fixing ring, the outer side wall of the fixing ring is fixedly connected with a plurality of first hydraulic pumps, and the output ends of the plurality of first hydraulic pumps are fixedly connected with impact rods and are provided with the fixing ring in a penetrating manner; the ends, away from the first hydraulic pump, of the multiple impact rods are fixedly connected with box bodies, motors are fixedly arranged in the multiple box bodies, the output ends of the multiple motors are rotationally connected with connecting rods, and the ends, away from the motors, of the multiple connecting rods are rotationally connected with connecting rods; the ends, away from the motor, of the multiple connecting rods are rotationally connected with cushioning devices. The pile cutting machine for the constructional engineering has the advantages