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    • 1. 发明授权
    • Thrust bearing for an actuator driving a sensor device
    • 用于驱动传感器装置的致动器的推力轴承
    • US5388471A
    • 1995-02-14
    • US134725
    • 1993-10-12
    • Hugo N. DeCamposJason G. Maalouf
    • Hugo N. DeCamposJason G. Maalouf
    • F16H25/22F16H25/20
    • F16H25/2204Y10T74/18696
    • A thrust bearing assembly for retaining a ball screw of an actuator in a housing and driving a position sensor in a control system. The thrust bearing assembly has a cylindrical body with an annular radial projection having parallel first and second inner outer race surfaces. Gear teeth are located on the peripheral surface of the radial projection. First and second roller bearing and associated first and second outer races are located on said cylindrical body. A locating plate attached the housing urges the second outer race toward the housing to bring the second roller bearing into engagement with the second inner race and the first inner race into engagement with the first roller bearing and first outer race to fix the position of the ball screw in the housing. The ball screw is connected to receive rotary torque from a drive gear to position a translating ball nut within the housing. Rotation of the ball screw correspondingly rotates the cylindrical body such that the gear teeth on the peripheral surface provides a sensor with a signal indicative of the location of the ball nut within the housing.
    • 推力轴承组件,其用于将致动器的滚珠丝杠保持在壳体中并驱动控制系统中的位置传感器。 推力轴承组件具有带有平行的第一和第二内部外圈表面的具有环形径向突出部的圆柱体。 齿轮齿位于径向突起的外周表面上。 第一和第二滚子轴承和相关的第一和第二外圈位于所述圆柱体上。 安装壳体的定位板将第二外圈推向壳体,以使第二滚子轴承与第二内座圈和第一内座圈接合,与第一滚子轴承和第一外圈接合,以固定球的位置 拧入外壳。 滚珠丝杠被连接以接收来自驱动齿轮的旋转扭矩,以将平移滚珠螺母定位在壳体内。 滚珠丝杠的旋转相应地使圆柱体旋转,使得圆周表面上的齿轮齿向传感器提供指示球形螺母在壳体内的位置的信号。