FIELD: mining.
SUBSTANCE: drilling machine comprises a body, a cylinder cartridge, a hydraulic pulse generator, electrodes. The pulse generator is placed separately from a drilling machine and comprises a body with electrodes placed in it and connected by channels to a drilling machine to transfer a hydraulic pulse simultaneously to a piston and to a spinner.
EFFECT: invention provides for complete safety of service personnel against injury from electric current and reduced weight of the machine.
5 dwg
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