WORK MEMBER OF AN EXCAVATOR Russian patent published in 1996 - IPC

FIELD: excavating equipment. SUBSTANCE: device includes cutting blade section and cutter discs placed in front of it in parallel plane. The discs are secured to shafts installed in bearings of fork-type underframe secured to parallel shaft with pin-type slide bars coming in contact with immovable guides installed on rear side of the blade in points where reducing gear box is secured to the blade. Pinions are places inside the reducing gear box. The pinions are kinematically connected to cutter disc drive engine. Rotation of the discs is provided through shafts and their spline telescopic joints. Besides, cutter discs are subjected to vibration generated by vibration generator connected to and directed toward the stope. The vibration generator is connected to the blade and reducing gear box through elastic members. EFFECT: vibration of cutter discs with relatively small energy consumption. 2 dwg