PIPE PUSHER

摘要

PROBLEM TO BE SOLVED: To lay pipes over a long distance by providing a main pipe with a pushing force when pulling the main pipe with a drill unit and without requiring a reactive force when pulling the main into the ground. SOLUTION: When laying pipes after a pilot pipe 22 is propelled with a drill unit 21, an expansion bit 28 to excavate the ground around the pilot pipe 22 and a consolidation jig to push away soil excavated to the surrounding and consolidate are pushed with the drill unit 21 installed on the ground, and the pipes are pushed with a pipe pusher 1 provided on the arrival side.