FIELD: machine building.
SUBSTANCE: invention relates to general and special machine building and can be used in all fields of industrial production to provide connection of mechanical structures high-loaded elements. High-loaded thermal tightened threaded connection includes connected elements, threaded rod, which thread is made with pitch smaller by linear extension value corresponding to design temperature increase, necessary to ensure required tightening force, and electric heating element. Threaded rod is covered with heat insulating coating.
EFFECT: technical result is considerable increase in reliability of high-loaded thermal tightened threaded connection.
1 cl, 2 dwg
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