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    • 7. 发明授权
    • Self-compensating anti-friction bearing clearance device
    • 自补偿抗摩擦轴承间隙装置
    • US4626111A
    • 1986-12-02
    • US758733
    • 1985-07-25
    • Archie N. SwaseyWilliam J. Winter
    • Archie N. SwaseyWilliam J. Winter
    • F16C19/38F16C19/52F16C25/08F16C27/00
    • F16C19/385F16C19/525F16C25/08
    • A device for automatically adjusting the clearances in a roller bearing due to thermal expansion, constituting a tapered roller bearing having a dual track oppositely tapered inner race and a pair of single track tapered outer races, each outer race being in communication with a pair of coaxial, hydraulically loaded annular pistons, each of which translates in annular piston cylinders, supplied with hydraulic fluid. The hydraulic pressure of the fluid is maintained through an accumulator at a preselectable constant pressure to permit the outer races to translate axially, against the annular piston, as the inner race expands radially due to thermal expansion. Upon thermal contraction, the pressure forces the annular pistons axially toward the outer races, which, due to the taper of the races and the bearing elements, reduces the clearance created due to the thermal contraction.
    • 一种用于自动调节由于热膨胀而导致的滚子轴承间隙的装置,构成了具有双轨相对锥形内圈和一对单轨锥形外圈的圆锥滚子轴承,每个外圈与一对同轴 液压装载的环形活塞,每个环形活塞在环形活塞气缸中平移,供应液压油。 流体的液压通过蓄能器以可选择的恒定压力保持,以允许外圈随着内圈由于热膨胀径向膨胀而相对于环形活塞轴向平移。 在热收缩时,压力迫使环形活塞轴向朝向外座圈,由于座圈和轴承元件的锥度,减小了由于热收缩而产生的间隙。