Head for excavator mounted to power shovel

摘要

Disclosed is a breaking head mounted to an excavator for removing rocks on or in the ground at construction work. The breaking head includes lateral plates positioned between an upper plate and a lower plate, and a rotary plate connected to a rotary shaft installed to an upper end of the upper plate. The rotary plate has brackets to be engaged to a link and an arm of the excavator. The breaking head further includes a plurality of pivot cylinders at a rear portion of the breaking head for pivoting the breaking head left and right around the rotary shaft and inclined bearing members attached between a plurality of bearing members installed along four corners of the lower plate.