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    • 8. 发明公开
    • Transmission inertia brake with self energizing
    • 变速箱惯性制动器带自加力
    • EP0822354A3
    • 1998-03-11
    • EP97305051.1
    • 1997-07-09
    • EATON CORPORATION
    • Davis, Alan R.Riley, Thomas N.
    • F16H3/12F16D65/34
    • F16H3/12F16D55/36F16D59/00F16D2121/20F16D2125/36F16D2127/007F16D2129/043F16H2003/123Y10T74/19284
    • A ball ramp mechanism (8) is used to load a clutch pack (10) in a transmission inertia brake (4) to slow a rotating shaft (6) where an armature (16) having an angled peripheral surface (18) engages a mating surface formed in an inertia brake housing (38) to form a cone clutch where the armature (16) is magnetically pulled toward the brake housing (38) by an electromagnetic field generated by an electrical coil (12) thereby introducing a frictional braking force on the armature (16). The armature (16) is nonrotatably connected to the control ring (26) of the ball ramp mechanism (8) through a plurality of tapered pins (20A) which engage a corresponding plurality of conical sections (22A) so that relative rotation between the armature (16) and the control ring (26) causes the armature (16) to be forced toward the housing (38) thereby increasing the braking force on the armature (16) and control ring (26). Relative rotation between the control ring (26) and an actuation ring (28) causes a plurality of rolling elements (36A) to transverse tapered grooves (35A) formed on the control ring (26) and the actuation ring (28) thereby axially expanding the ball ramp mechanism (8) to load the clutch pack (10).
    • 滚珠坡道机构(8)用于将变速器惯性制动器(4)中的离合器组件(10)加载以减速旋转轴(6),其中具有成角度的外围表面(18)的电枢(16) 在惯性制动器壳体(38)中形成的表面形成锥形离合器,其中通过由电线圈(12)产生的电磁场将电枢(16)磁性地拉向制动器壳体(38),由此将摩擦制动力 电枢(16)。 电枢(16)通过多个锥形销(20A)不可旋转地连接到滚珠坡道机构(8)的控制环(26),多个锥形销与相应的多个圆锥形部分(22A)接合,从而衔铁 (16)和控制环(26)导致衔铁(16)被迫朝向壳体(38),由此增加衔铁(16)和控制环(26)上的制动力。 控制环(26)和致动环(28)之间的相对旋转导致多个滚动元件(36A)横跨形成在控制环(26)和致动环(28)上的锥形凹槽(35A),从而轴向扩张 滚珠坡道机构(8)以加载离合器组件(10)。