CONICAL CRUSHER Russian patent published in 1999 - IPC

FIELD: mineral material crushing equipment. SUBSTANCE: conical crusher has housing, immovable cone positioned within housing, and movable cone fixed in cantilevered part of eccentric shaft. Immovable and movable cones have horizontal annular working parts. Movable cone is sliceably put onto shaft and provided with flexible drive for rotating in direction opposed to that of eccentric cantilevered shaft. Plate is disposed on movable cone in its upper part normally to cantilevered shaft axis and serves anchor for electromagnetic vibrator, which is rigidly fixed on crusher spindle. Such construction allows fine crushing of mineral materials to be performed. EFFECT: increased efficiency by increased crushing extent due to additional vibratory action. 1 dwg