Shredding machine for connecting bucket rod part of excavator

The utility model discloses a shredding machine used for being connected with a bucket rod part of an excavator, and belongs to the technical field of shredding machines. The shredding machine used for being connected with the bucket rod portion of the excavator comprises a speed reducer assembly, a metal fixed cutter shaft and a matched cutter assembly, and bearing supporting plates are arranged at the two ends of the metal fixed cutter shaft and the two ends of the matched cutter assembly respectively. In order to solve the problems that the interior of an existing building wall is of a reinforced concrete structure, and fragments of the wall cannot be completely broken by the excavator breaking hammer body when the building wall is damaged, the excavator breaking hammer body is formed by combining three main structures including a speed reducer assembly, a metal fixed cutter shaft and a matched cutter assembly, and the whole excavator breaking hammer body is not provided with an independent hopper structur