Drilling unit for turning industrial machine e.g. back hoe, has connector inserted in between swing bracket and receptacle bracket, located on base periphery of internal hollow like arm

摘要

Before inserting the connector (42) on the hydraulic pipe (34), the connector is inserted in between swing bracket (3) and receptacle bracket (4). Both brackets are located in the base periphery of the internal hollow like arm (8), supported by the tip of the boom (6). A hydraulic cylinder (9) that moves the arm vertically in between brackets and boom is also provided on the drilling unit.