FIELD: machine building.
SUBSTANCE: invention relates to the field of mechanical engineering and can be used in high-speed rotor-driven rotary machines. Combined support comprises plain bearing (6), two rolling bearings (3, 4), outer rings of which are mounted in sleeve (5), and internal – on shaft (2). Inner ring of one (3) of the bearings is mounted on shaft (2) by a stop in shaft (2) stage (10), and the inner ring of other bearing (4) is mounted on shaft (2) by engraver (8) fixed to the shaft by a bolt. Outer rings of rolling bearings (3, 4) are connected through successively arranged disc springs (7).
EFFECT: improvement of dynamic characteristics, increase of reliability and resource of the "rotor – support" system due to selection of the mounting gap in the rolling bearing.
1 cl, 3 dwg
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