Rail brake element

B - Operations – Transporting – 61 – K

Patent

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Details

B61K 7/06 (2006.01) B61K 7/04 (2006.01) B61K 7/18 (2006.01)

Patent

CA 2213415

The invention relates to a rail brake element, in particular for use in rail brake buffer blocks, comprising a pair of clamping plates extending about a rail head from each side and supported against its top surface, which clamping plates are clamped against the rail head by a clamping device including a clamping bolt and a spring assembly, and include at its portion below the rail head a brake lining portion of suitable rigid friction material for engagement with the rail head, wherein the brake lining layer engages the rail head by means of a raised portion of wear material having a static friction coefficient smaller than that of the brake lining layer.

L'invention concerne un élément de frein de voie, notamment combiné à des heurtoirs de frein de voie, comportant deux crapauds qui enserrent de chaque côté une tête de rail et s'appuient sur sa face supérieure. Ces deux crapauds sont maintenus serrés sur la tête de rail par un dispositif de serrage comprenant au moins un boulon de serrage et un système faisant ressort, et comportent au niveau de la section qui passe sous la tête de rail, une section de garniture de frein réalisée dans un matériau de friction compact approprié, qui s'applique sur la tête de rail. La couche de garniture de frein (38, 40) repose sur la tête de rail (14, 16, 22) par l'intermédiaire d'au moins une section (44) surélevée réalisée dans un matériau apte à l'usure dont le frottement par adhérence est inférieur à celui de ladite couche de garniture de frein (38, 40).

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