MINE ROCK SAMPLE OBTAINING DEVICE

摘要

FIELD: mining. ^ SUBSTANCE: device includes elongated guide, vibrating disc cutter installed for straight-line movement along the guide; and erection device for location and retention of elongated guide in the required place relative to the nearest surface of rock so that vibrating disc cutter can move along the guide and cut the groove of adjustable width and depth on rock surface. ^ EFFECT: improving the sampling accuracy of mine rock samples from channel with uniform cross section. ^ 8 cl, 6 dwg