FIELD: mining.
SUBSTANCE: shaft suspended drilling device consists of mounting plate and two drilling machines (DM) hinged on it. Mounting plate in its middle part has the holes for connection to rigid part of working equipment of shaft loading machine and is equipped with transverse spline intended to fix the position during connection. DMs are connected to mounting plate by means of gimbals or ball hinges and they have the possibility of being rotated and turned in various vertical planes, each by means of two control hydraulic jacks which are located at spatial angles relative to each other. Control hydraulic jacks are connected by means of gimbals or ball hinges to equally spaced posts rigidly mounted on mounting plate.
EFFECT: increasing efficiency of drilling work when making vertical shafts of shallow depth or advance owing to manoeuvrability and independence of operation of individual drilling machines mounted on common base.
3 dwg
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