(57) Abstract Objective Approaching to fence hole position, position of the guide shellTo do the deciding and the fence hole manipulation of the rock drill, tunnel JohnIt improves the fence hole precision of bo. Constitution The rock drill 2 which is loaded onto the guide shell 3 and,The boom 4 for the fence hole which supports the guide shell 3 and registersWith, the tunnel jumbo J which has with the cage 7 for jobIn order on computer side and cage side, to manipulate rock drill 2,The rock drill function part and in order to manipulate the boom for the fence holeThe boom function part for the fence hole and the fence hole manual operating device 6 which consists of facilitiesThe ke te it is.
展开▼