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    • 5. 发明授权
    • Self-aligning roller bearing
    • 自调心滚子轴承
    • US09587676B2
    • 2017-03-07
    • US15080762
    • 2016-03-25
    • JTEKT CORPORATION
    • Hirotaka Yasuda
    • F16C33/46F16C23/08
    • F16C33/4605F16C19/38F16C23/086F16C33/36F16C33/37F16C33/4682F16C33/48F16C33/497F16C2240/40F16C2240/46
    • A self-aligning roller bearing includes an outer ring, an inner ring, spherical rollers, a cage having a plurality of pockets that contain the spherical rollers, and a guide ring. Each spherical roller may be rotated on an imaginary line passing through a contact point at which the spherical roller contacts an outer raceway surface and a contact point at which the spherical roller contacts an inner raceway surface. Each pocket has a clearance between the pocket and a corresponding spherical roller, and the size of the pocket is set so that the rotation of the corresponding spherical roller is limited. The guide ring has such a side-surface shape that a small clearance is ensured between the spherical roller and the guide ring even when the spherical roller is rotated, in the pocket, on the imaginary line by a maximum amount at which the rotation of the spherical roller is limited.
    • 自调心滚子轴承包括外圈,内圈,球面滚子,具有多个容纳球面滚子的凹穴的保持架和导向环。 每个球面滚子可以在通过球面滚子接触外滚道表面的接触点和球面滚子接触内滚道表面的接触点的假想线上旋转。 每个口袋在口袋和对应的球面滚子之间具有间隙,并且设置口袋的尺寸使得对应的球面滚子的旋转受到限制。 引导环具有这样的侧表面形状,即使在球形辊在凹槽中在假想线上旋转最大量时,球面滚子和导向环之间的间隙也小, 球面滚子受到限制
    • 9. 发明授权
    • Self-aligning roller bearing with retainer and manufacturing method for self-aligning roller bearing retainer
    • 带保持架的自调心滚子轴承和自动调心滚子轴承保持架的制造方法
    • US08007184B2
    • 2011-08-30
    • US11631525
    • 2005-11-22
    • Takashi MuraiToshiyuki TanakaMasatake Ichimaru
    • Takashi MuraiToshiyuki TanakaMasatake Ichimaru
    • F16C23/08F16C33/49
    • F16C23/086F16C19/38F16C33/4676F16C33/48F16C33/485F16C33/497
    • There is realized a self-aligning roller bearing with retainer that stabilizes the orientation of spherical rollers and prevents these spherical rollers from skewing, and which can be rotated at high speed, and furthermore which enables efficient lubricant feed into pockets 9. By rotating a turning tool 14 as it revolves, the surfaces on both sides in the circumferential direction of respective column sections are processed into concave curved surfaces that oppose a rolling surface of the respective spherical rollers across a pocket clearance into which lubricant oil can be fed. The length of the column sections 8c is less than the length in the axial direction of the spherical rollers, and greater than a half of the length, and an end portion of the side surface in the circumferential direction of the respective column sections 8c projects further in the circumferential direction than an intermediate portion thereof, and the spherical rollers are embraced in the pockets 9.
    • 实现了一种具有保持架的自调心滚子轴承,其可以稳定球面滚子的取向,并且防止这些球面滚子偏斜,并且可以高速旋转,此外,这使得有效的润滑剂能够进入凹槽9.通过旋转转动 工具14旋转时,各列部分的圆周方向两侧的表面被加工成凹形弯曲表面,其与各个球面滚子的滚动表面相对,穿过可以供给润滑油的袋口间隙。 柱部8c的长度小于球面滚子的轴向长度,大于长度的一半,各列部8c的圆周方向的侧面的端部进一步突出 在圆周方向上比其中间部分,并且球形辊子包围在凹穴9中。