DRILLING MANIPULATOR Russian patent published in 1997 - IPC

FIELD: drilling equipment. SUBSTANCE: manipulator is intended for use with drilling rig for its exact positioning in drilling blast-holes. Drilling rig is automatically preset for drilling operation without need of displacing tool relative to axis of underground working. Drilling rig is mounted on guide beam of manipulator. Beam is made integral with link of eight-link pantographic mechanism of high-accuracy class with two pivoted systems. Mechanism is based on four-hinge link which by its one hinge is pivotally connected with base, and by its three other hinges is connected with two-hinge links. Four- and five-angle systems of mechanism are interconnected by three-hinge links. Free hinge of one of links connects it with additional two-hinge link which in its turn is pivotally connected with base and brought in motion by rotary motor. EFFECT: high efficiency. 1 dwg