FIELD: mining.
SUBSTANCE: group of inventions refers to directed drilling. The drilling block intended for use with rotary-controlled tool (100) and containing external casing (102), rotating shaft (104) passing in said external casing, drive coupling connected to said rotating shaft, made with possibility of movement between engaged state and disengaged state, and containing first ring and second ring, at that the first ring interacts with the second ring when the said coupling in engaged state, and does not interact with the second ring when the said coupling in disengaged state, and sensor connected to the said rotating shaft and made with possibility to identify whether the said coupling is in at least one state, i.e. engaged and disengaged.
EFFECT: invention reduces time and expenses for manufacturing of the elements of the suggested block and for use of any suitable external casing without the additional treatment operations.
9 cl, 7 dwg
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