VIBRATOR Russian patent published in 2003 - IPC

FIELD: mining industry, hole drilling with coring in process of geological prospecting operations and engineering surveys, pile driving in process of construction. SUBSTANCE: vibrator includes spring-loaded body made fast to drilling tool and linked to upper and lower platforms and two horizontal parallel shafts made fast to drilling tool. Shafts are intercoupled with the aid of gears with identical number of teeth and are coupled by means of V-belt transmission via system of pulleys to electric motor and to unbalanced masses put on shafts. One unit of unbalanced mass of same weight is placed on opposite ends of each shaft. Electric motor is installed on additional platform located above upper platform and is coupled to it via bearing and limiting bushings. EFFECT: enhanced drilling speed and efficiency of vibrator. 2 dwg