VERTICAL HOLE EXCAVATION UNIT, VERTICAL HOLE EXCAVATION SUBSYSTEM, AND VERTICAL HOLE EXCAVATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a vertical hole excavation unit capable of not only discharging objects such as earth, rocks, and fine particles of stones appeared due to excavation onto the ground efficiently and simply but also excavating a hard rock mass.;SOLUTION: This vertical hole excavation unit is provided with a rock drilling part 1 for drilling a rock mass by a vibrating rock drilling rod 1a, a cylindrical excavation part 2 driven and rotated around the rock drilling part 1, a main body basic part 3 provided with the excavation part 2 centered on the rock drilling part 1, a crushing part 4 provided between the main body basic part 3 and the excavation part 2, and an earth and rock suction means 5 for sucking and discharging the earth and rocks drilled in the rock drilling part 1, excavated in the excavation part 2, and crushed in the crushing part 4 in the excavation part 2.;COPYRIGHT: (C)2007,JPO&INPIT