DIAPHRAGM WALL EXCAVATOR

摘要

Disclosed is a diaphragm wall excavator. The diaphragm wall excavator includes: a driving part; a base part installed on the driving part; a boom unit installed in front of the base part; a diaphragm wall excavating unit placed in front of the base part through the boom unit; and a winch tool moving up and down the diaphragm wall excavating unit. The winch tool includes: a first winch motor; a second winch motor installed on the same pivot as the first winch motor; a drum part installed to rotate around the pivot, and winding or unwinding a wire connected with the diaphragm wall excavating unit; and a driving force delivery unit rotating the drum part by delivering first driving force of the first winch motor or second driving force of the second winch motor to the drum part.