Quartering hammer

The utility model provides a breaking hammer and relates to the field of mechanical equipment. The breaking hammer comprises a shell, a reversing assembly and a breaking assembly. The shell is provided with a containing cavity, and a piston is arranged in the containing cavity. The reversing assembly comprises a reversing mechanism and a stress application spring, one end of the stress application spring is arranged at one end of the shell, and the other end of the stress application spring is arranged in the containing cavity and connected with the piston. The reversing mechanism is arranged on the side wall of the shell, the axis of the reversing mechanism is parallel to the axis of the shell, and one end of the reversing mechanism is connected with the stress application spring. The crushing assembly comprises a drill rod, and the drill rod is arranged at the end, away from the stress application spring, of the containing cavity. The breaking hammer solves the problems that in the prior art, assembly and d