FIELD: machine building.
SUBSTANCE: centring device contains rotating part made with possibility of rotation around the first axis passing along the axial direction of the hole, made in the rotating part, roller secured to the first end of the rotating part and made with possibility of rotation, rod secured to the second end of the rotating part and made with possibility of movement along the second axis, spring mechanism, in which part of said rod is located, and that is made with possibility of pressing force application to the rotating part, and casing for rod made with possibility of location in it of the said rod end.
EFFECT: invention excludes possibility of shift of the lead ring, and reduction of thermal expansion of input guide vanes.
10 cl, 11 dwg
