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    • 4. 发明公开
    • A two stage buffer
    • Zweistufiger河豚
    • EP1247716A1
    • 2002-10-09
    • EP02252068.8
    • 2002-03-22
    • Oleo International Limited
    • Mombour, Klaus
    • B61G11/16
    • B61G11/16
    • A two stage buffer (10) primarily intended for use on railway vehicles includes a primary element in the form of a buffer capsule (12) and a secondary element in the form of a deformable apparatus (11), the primary and secondary elements (12,11) being force-transmittingly connected in series.
      The deformable element (11) includes a plastically deformable hollow tube (14) having an internal taper; and a deforming member (15) of generally complementary cross section to the interior of the deformable tube (14).
      The deforming member (15) is inserted into the deformable tube (14) such that impact forces experienced by the deformable member are transmitted to the deformable tube (14) whereby the secondary element absorbs impact forces by plastic deformation of the tube (14).
      A slit ring (16) interconnects the deforming member (15) and the taper (13) of the tube, the contact pressure between the deformable member (15), the slit ring (16) and the tube (14) being adjustable in order to set a predetermined start force for working of the deformable, secondary element (11).
    • 缓冲器具有常规的液压胶囊(12),其在高负荷下施加在管(15)的端部止推板(24)上,所述端部推力板(24)具有远离板的距离而减小的外径。 管配合在具有互补的内部锥度的第二管(14)内。 管通过从内管向外管传递力的开口环(16)保持在一起。 螺栓连接到推力板的凸缘(18)保持开口环。