DRILLING-LOOSENING APPARATUS Russian patent published in 1994 - IPC

FIELD: mining, construction. SUBSTANCE: drilling-loosening apparatus has a traverse, that is fixed as a cantilever on a load lifter of a loader. A boring bar and a drive of its rotation are fixed on the traverse. The drive has a worm reducer, an output shaft of which has a sprocket of horizontal chain transmission and an input shaft has a sprocket of vertical chain transmission. An additional sprocket of vertical chain transmission is fixed on the load lifter. Vertical guides with blocks and rope are fixed on the body of the loader. A hook with a counterbalance is fixed on one end of the rope and a hook, connected with a cup is mounted on the other end. The cup is capable to move in the upper part of the boring bar. A carriage with turning fork and supporting shelves are mounted on the load lifter. EFFECT: apparatus is used for restoration of friability of frozen and compressed materials. 2 dwg