CONNECTION COMPRISING LOCKED FASTENER PIN Russian patent published in 2019 - IPC F16B39/24 F01D25/24 

FIELD: machine building.

SUBSTANCE: invention relates to a connection, can be used for attachment of two annular housings of a turbine, equipped with flat annular flanges, which are joined to each other. Connection comprising a fastening pin, two superimposed flanges, through which the pin passes, a nut connected to one of the flanges, into which the end of the pin is screwed, a coupling nut screwed on the opposite end of the pin, and a sliding retainer clamped between the coupling nut and other of flanges. Sliding retainer contains the main body, in which the hole is formed, at that the hole has a non-round section and is occupied by the section of the pin of the corresponding section. Main body is extended by section extending beyond said another flange in direction perpendicular to pin, then section protruding from main body in direction of pin and located in front of said flange.

EFFECT: invention is aimed at enabling application of sufficient tightening torque without risk of damage and at the same time avoiding excessive screwing of the stud.

5 cl, 6 dwg