A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to move the entire machine forward into the rock face.
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WITS SPECIAL EDITION - VOLUME I . A review of rock cutting for underground mining: past, present, and future . D. Vogt. Centre for Mechanised Mining Systems, University of the Witwatersrand Johannesburg, South Africa
XCMG Mini Crawler Excavator XE15U. XCMG 25ton Truck Crane QY25K-II . XCMG 1.8ton Wheel Loader LW180K. XCMG HD Industrial Gear Oil L-CKD 320 200L. Kingbon 3 wheels electric tricycle
6. Tunneling ROCK EXCAVATION HANDBOOK 220 221 Therefore, the position of the blastholes in the 1st square is expressed as: a = 1.5ø Where a = C - C distance between large hole and blasthole
Heavy equipment refers to heavy-duty vehicles, specially designed for executing construction tasks, most frequently ones involving earthwork operations.They are also known as heavy machines, heavy trucks, construction equipment, engineering equipment, heavy vehicles, or heavy hydraulics.
CECW-EG Engineer Manual 1110-2-2901. Department of the Army EM 1110-2-2901 30 May 97 U.S. Army Corps of Engineers Washington, DC 20314-1000 Engineering and Design TUNNELS AND SHAFTS IN ROCK
KAMY series of Roadheaders offers the best cutting performance in a wide range of rock formations. Equipped with geometrically optimized transverse or longitudinal cutter heads, these flexible machines can be used to excavate subway tunnels, road tunnels, railway tunnels and water tunnels without using explosives.