GALLERIES DRIVING MACHINE

摘要

1. Gallery driving machine with a drivable under-carriage (1) and a jib (2) with a cutting head (3) and with an additional displaceable drilling arm (6) or drilling jib, characterised in that a displacement track (4) is secured to the under-carriage (1) or jib (2) parallel to the floor, with which track the bracket (5) of the drilling arm (6) or drilling jib (10) is displaceable both transversely and longitudinally to the direction of tunnelling.