FIELD: drilling equipment engineering.
SUBSTANCE: connection has sleeve, in walls of which in apertures welded bushings are mounted with fixing bolts, nipple, key connections, including keys and grooves. In walls of sleeve in same plane along axis two key grooves are made and two apertures, outputting into the latter, for bushings with holding bolts. In body of nipple of same plane along axis two grooves are made with fixedly mounted therein keys and two apertures for holding bolts.
EFFECT: higher efficiency and simplified manufacture.
1 dwg
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