Active shaft type combined air bearing
An air bearing and active technology, applied in the direction of rotating combined bearings, shaft and bearings, sliding contact bearings, etc., can solve the problems of easy damage of foil bearings and reduce the actual relative speed of the rotating shaft, so as to reduce wear loss and increase relative speed , Reduce relative friction and heat generation
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[0024] Such as figure 1 Shown: an active shaft-type combined air bearing, including an outer bearing seat 1, an inner bearing seat 2, a roller shaft 4 and several balls 11, each ball is located between the outer bearing seat and the outer ball bearing seat 21, and the inner air shaft A foil ring 3 is provided on the inner wall of the seat 22 , and the roller 4 is inside the foil ring 3 .
[0025] Such as figure 2 As shown: the inner bearing seat 2 includes an outer ball shaft seat 21, an inner air shaft seat 22 and an extended coaxial seat 23, and the outer ball shaft seat 21, the inner air shaft seat 22 and the extended coaxial seat 23 are integrally formed. The foil ring 3 is composed of five independent rigid foils 31 connected end to end in sequence, and the independent rigid foils 31 include arc-shaped rigid bearing parts 311 and elastically deformable pin parts 312 . The independent rigid foil has a good deformation space after being excited by the outside. The shape ...
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