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    • 2. 发明公开
    • Improvements relating to disc brakes
    • 与盘式制动器相关的改进
    • EP0243114A1
    • 1987-10-28
    • EP87303401.1
    • 1987-04-16
    • LUCAS INDUSTRIES public limited company
    • Tickle, Colin John FredrickRussell, David FraserAdamson, John
    • B61H5/00B61H15/00F16D65/54F16D55/224
    • F16D65/54B61H5/00B61H15/00F16D55/2245
    • The present invention relates to a disc brake having a lever-type caliper, suitable for use on railway vehicles. In such lever-type calipers each brake pad (11) is supported on one end region (9) of a pivotally mounted lever (1, 3), the other end region (15) of each lever being connected to an actuator (17). The present invention provides an actuation system for a disc brake, wherein when the disc is in a released state, either or both friction pads (11) can be prevented from contacting the disc friction faces under all conditions of shock and gravitational unbalanced forces.
      This is achieved by a lever caliper type disc brake comprising a pair of pivotally mounted lever arms (1, 3) with an actuator (17) arranged to act between said lever arms (1, 3) to cause the lever arms (1, 3) to pivot and apply the brake. An adjustable pad positioning device (21) is connected to one lever arm (1) to limit the available pivotal movement for said one lever arm (1) when said actuator (17) is in a brakes released position. The adjustable pad positioning device (21) thus restricts the available movement for said one lever arm (1) when the actuator (17) is in the brakes released position so that the pad (11) carried by said one lever arm (1) is always held at a defined distance from the rotating disc in the brakes released position.
    • 本发明涉及一种适用于铁路车辆的具有杠杆式卡钳的盘式制动器。 在这种杠杆式卡钳中,每个制动衬块(11)支撑在枢轴安装的杠杆(1,3)的一个端部区域(9)上,每个杠杆的另一个端部区域(15)连接到致动器(17) 。 本发明提供了一种用于盘式制动器的致动系统,其中当盘处于释放状态时,在所有冲击和重力不平衡力的情况下,可以防止一个或两个摩擦垫(11)与盘摩擦面接触。 这通过一种杠杆钳式盘式制动器来实现,该杠杆式盘式制动器包括一对枢转地安装的杠杆臂(1,3),该杠杆臂具有致动器(17),该致动器布置成在所述杠杆臂(1,3)之间作用以使杠杆臂(1,3 )枢转并施加制动。 当所述致动器(17)处于制动器释放位置时,可调整的垫定位装置(21)连接到一个杠杆臂(1)以限制所述一个杠杆臂(1)的可用枢转运动。 因此,当致动器(17)处于制动器释放位置时,可调节衬块定位装置(21)限制所述一个杠杆臂(1)的可用运动,使得由所述一个杠杆臂(1)承载的衬垫(11) 在制动器释放位置时,始终保持与旋转盘的限定距离。
    • 3. 发明公开
    • Improvements relating to wheel mounted discs
    • 有关轮式光盘的改进
    • EP0215597A1
    • 1987-03-25
    • EP86306683.3
    • 1986-08-29
    • LUCAS INDUSTRIES public limited company
    • Tickle, Colin John FrederickAdamson, JohnClarke, David
    • F16D65/12
    • F16D65/124
    • The present specification discloses a wheel incorporating a braking disc (9). In certain wheels where high duty braking discs (9) are required, the discs (9) are mounted one on each side of the web (5) of the wheel by bolts which pass through spaced-apart holes in the discs (9). These holes, besides reducing the available braking area, also act as centres for surface cracking, this surface cracking occurring around the bolt holes as a result of the large internal stresses set up by differential thermal expansion.
      The present invention provides a wheel wherein an annular braking disc (9) is mounted on each side of the central web (5) by means of resilient retaining connections (15) in the form of roll pins (17) which extend generally parallel to the axis of the hub (1), the roll pins (17) being secured to the web (5) in the region adjacent to the central hub (1) of the wheel, and engaging the inner edge region (27) of the braking disc(9). Whilst the roll pins (17) support and retain the inner edge (27) of the disc (9), they can, however, flex under thermal expansion of the disc (9). Preferably, the resilient retaining connections (15) are designed to be within the axial dimensions of the central hub (1) of the wheel to thus not effect the important spatial requirements of brake and wheel design. With this in mind the resilient retaining connections are secured to the web (5).
    • 本说明书公开了一种包含制动盘(9)的轮子。 在需要高负载制动盘(9)的某些车轮中,盘(9)通过穿过盘(9)中的间隔开的孔的螺栓安装在车轮的腹板(5)的每一侧上。 这些孔除了减少可用的制动面积外,还可作为表面裂纹的中心,由于由不同的热膨胀造成的巨大内部应力,螺栓孔周围出现这种表面裂纹。 本发明提供了一种轮子,其中通过弹性保持连接件(15)将环形制动盘(9)安装在中心腹板(5)的每一侧上,所述弹性保持连接件以滚销(17)的形式通常平行于 (1)的内侧边缘区域(27),所述辊销(17)在与所述车轮的中心轮毂(1)相邻的区域中固定到所述腹板(5),并且与所述制动盘 (9)。 当辊销17支撑并保持盘9的内边缘27时,它们可以在盘9的热膨胀的作用下弯曲。 优选地,弹性保持连接件(15)被设计成处于车轮的中心轮毂(1)的轴向尺寸内,从而不影响制动器和车轮设计的重要空间要求。 考虑到这一点,弹性保持连接件固定在腹板(5)上。