Composite impactor for efficiently assisting rock breaking

The invention provides a composite impactor for efficiently assisting rock breaking. The composite impactor comprises an impactor part, a hydraulic motor part and a flow valve part. The impactor part comprises a circumferential impact part and an axial impact part; the circumferential impact part comprises a spring II, a spring sleeve, a circumferential hammer seat, a circumferential hammer, a thrust bearing, a spring cushion and a piston hammer; the axial impact part comprises a sealing ring II and a vibration shaft; the hydraulic motor part comprises a motor stator, a motor rotor and a motor sleeve, the motor stator is fixed in the motor sleeve, and the motor rotor is installed in the motor stator; and the flow valve part comprises a flow head and a flow seat, the flow head is axially connected with the flow seat, the flow seat is fixed on the inner wall of the motor sleeve, and the flow head and the flow seat are provided with corresponding runner holes. Axial and circumferential load percussion drilling c