MOTORIZED GROUND EXCAVATOR AND EXCAVATION METHOD USING THE EXCAVATOR

摘要

PURPOSE: A motorized ground excavator is provided to improve work efficiency by excavating continuously and repeatedly regardless of soil quality. CONSTITUTION: The motorized ground excavator contains: a holder(10) fixed to the inside of a casing(2) placed to an excavation spot to be dismantled; a lift device attached to the lower part of the holder(10) and extended downward by the excavation depth; a hammer attached to the end of the lift device to be rotatable to blow and crush the excavation spot; a discharge device suctioning the crushed soil and bedrock, then discharging to the outside; and a hydraulic line supplying hydraulic oil to operate a holder(10), a support and a hammer.