E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 9/30 (2006.01)
Patent
CA 2590099
The invention relates to a rail connection for track systems, which comprises a tensioning element (1) made of an elastic material, in particular a hardened spring steel, which is deposited in such a manner in the mounted state, between a maintaining plate (3) which is arranged on a threshold (2) and a fastening anchor (4), such that it exerts a maintaining force upon the base (5) of a rail (6) in order to maintain the rail (6) in position. The tensioning element (1) is embodied in a symmetrical manner in relation to a symmetrical plane (7) which is oriented in a vertical manner, said symmetrical plane being perpendicular on the longitudinal axis (8) of the rail (6). According to the invention, the tensioning element (1) comprises two torsion limbs (1a', 1a") which extend preferably, essentially in a parallel manner in relation to each other in order to obtain stepped overload protection. Both of the torsion limbs (1a', 1a") are connected together on the side oriented away from the rail (6) by means of a connecting section (1 b), and a loop-shaped clamping section (1d', 1d") is arranged on the end (1c', 1c") of the torsion limb (1 a', 1 a") which is oriented away from the rail (6). The torsion limb (1a', 1a") together with the connecting section (1b) is arranged, essentially, on a first plane (9) when the tensioning element (1) is not in the tensioned state and at least one part of the loop-shaped clamping section (1d', 1d") is arranged on a second plane (10). The second plane (10) is rotated about an axis (11) in relation to the first plane (9), which extends in a parallel manner on the sectional axis of the symmetrical plane (7) with the first plane (9).
La présente invention concerne une fixation de rail pour des voies ferrées, comprenant un élément de serrage (1) en matière élastique, en particulier en acier à ressorts trempé. A l'état monté, cet élément est fixé entre une plaque de maintien (3) située sur une traverse (2) et une ancre de fixation (4), de manière qu'une force de maintien s'exerce sur le patin (5) d'un rail (6), afin de maintenir le rail (6) en place. L'élément de serrage (1) est symétrique à un plan de symétrie vertical (7) qui est perpendiculaire à l'axe longitudinal (8) du rail (6). Afin d'obtenir une protection progressive contre les surcharges, l'élément de serrage (1) présente deux branches de torsion (1a', 1a'') qui sont de préférence sensiblement parallèles l'une à l'autre. Ces deux branches de torsion (1a', 1a'') sont reliées l'une à l'autre sur la face opposée au rail (6) par une section de liaison (1b). Une section de serrage (1d', 1d'') en forme de boucle se trouve respectivement à l'extrémité (1c', 1c'') opposée au rail (6) des branches de torsion (1a', 1a''). Lorsque l'élément de serrage (1) se trouve à l'état non serré, les branches de torsion (1a', 1a'') et la section de liaison (1b) se trouvent essentiellement dans un premier plan (9) et au moins une partie des sections de serrage en forme de boucle (1d', 1d'') se trouve dans un second plan (10). Le second plan (10) est tordu par rapport au premier plan (9) autour d'un axe (11) qui est parallèle à l'axe de coupe du plan de symétrie (7) avec le premier plan (9).
Meyer Frank
Schwiede Karl-Heinz
Fetherstonhaugh & Co.
Schwihag Ag
LandOfFree
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