SHAFT-SINKING MACHINE Russian patent published in 2012 - IPC E21D1/03 

FIELD: mining.

SUBSTANCE: the invention relates to mining, in particular, to shaft-sinking machine. The shaft-sinking machine comprises: a hull; a working element; a device for machine displacement in vertical direction and creating necessary force to feed the working element into the bore; an auger drill used to load central riser auger; a riser auger used to hoist rocks into the bunker on the top of the hull; bellmouths and barrels used for loading gigs with rock; loading devices; hydromanipulators with perforators and hydraulic hammer; high pressure pump for tamping. The machine hull with ball jointed hydraulic connections is assembled from three parts with jack-supported units fitted with tank or vehicle wheels with hydraulics. The working element is assembled on the lower part of the hull and comprises a smaller carrier and a larger carrier, where working rotors are installed with an angle to the bore and are fitted with roller bits.

EFFECT: increased device efficiency and increased mining speed.

1 dwg