The present invention relates to a group of at least two assemblies each comprising a support, at least one rail (4) and a plurality of fixing devices (5) for fixing said rail (4) to said support, said support comprising a plurality of concrete blocks (6), each block (6) being in one piece and comprising at least two grooves (7), said fixing devices (5) each comprising at least one head (8) arranged in a groove (7) of one of said blocks (6), said assemblies each comprising a plain track section, or a turnout, the plain track sections or turnouts of the first and second assemblies having different geometries, said assembly being characterized in that at least two blocks (6) are identical.
The present invention relates to a group of at least two assemblies each comprising a support, at least one rail (4) and a plurality of fixing devices (5) for fixing said rail (4) to said support, said support comprising a plurality of concrete blocks (6), each block (6) being in one piece and comprising at least two grooves (7), said fixing devices (5) each comprising at least one head (8) arranged in a groove (7) of one of said blocks (6), said assemblies each comprising a plain track section, or a turnout, the plain track sections or turnouts of the first and second assemblies having different geometries, said assembly being characterized in that at least two blocks (6) are identical.
The present invention also relates to a block as a spare part or reuse of a group according to the invention.
The present invention relates to a group of at least two assemblies each comprising a support, at least one rail (4) and a plurality of fixing devices (5) for fixing said rail (4) to said support, said support comprising a plurality of concrete blocks (6), each block (6) being in one piece and comprising at least two grooves (7), said fixing devices (5) each comprising at least one head (8) arranged in a groove (7) of one of said blocks (6), said assemblies each comprising a plain track section, or a turnout, the plain track sections or turnouts of the first and second assemblies having different geometries, said assembly being characterized in that at least two blocks (6) are identical.
The present invention also relates to a block as a spare part or reuse of a group according to the invention.
Finally, the present invention relates to methods for installing a unit according to the invention.
A method for assembling at least one rolling support and guide element with a complementary part by direct flash welding includes the step of a first step carried out by a first flashing phase intended to increase the temperature of the surfaces to be welded in a homogeneous manner, the duration of this first step being between 15 s and 40 s. A second step is carried out by a phase of preheating by Joule effect of the parts to be welded, the duration of this second step being between 45 s and 55 s with a heating current of between 55 kA and 70 kA. A third step is carried out by a second flashing phase to deoxidize the faces to be welded while avoiding their re-oxidation, the duration of this third step being between 12 s and 22 s and with a flashing current of between 16 kA and 19 kA. A step is included bringing the surfaces to be welded into contact.
The present invention relates to a rail traffic detector comprising: - a movable arm capable of at least one forward motion, and in particular intended to be set in forward motion under the effect of the passage of a rail vehicle wheel, - an arm restoring means capable of producing at least one return motion of the arm, - a braking means, - an engagement and disengagement device capable of engaging the arm and the braking means in a driving relationship, and of disengaging them from the driving relationship, - a means for detecting the motion of the arm. This detector is characterised in that the braking means comprises a magnetic brake and a driving element. The present invention further relates to a method for detecting rail traffic by means of a detector according to the invention.
The invention relates to a device for adjusting the anchoring of a tie (1) on a support (2), comprising at least: - an anchoring pin (3) attached to the support (2), - a cavity (11) in the tie passed through by the anchoring pin (3), - a cover part (4) positioned so as to close off the hole of the cavity (11) and bear against the upper surface of the tie (1), - a tightening mechanism (5) which, on the one hand, co-operates with the anchoring pin (3) and, on the other hand, is supported by the surface of the cover part (4), - a mechanism (6) for adjusting the position of the hole (41) in the cover part (4) relative to the tie (1), this mechanism (6) comprising a grooved arrangement (42) on the lower face of the cover part (4) and co-operating with a complementary arrangement (72) carried by the upper surface of the tie (1).
The present invention relates to a device for detecting the position of a movable element (2) relative to a reference element, characterised in that the device comprises: - a fixed structure (1) with a reference element, - a pivot shaft (51) associated with the movement of the movable element (2) by means of a force transmission mechanism, - at least one sensor (42), - at least one cam (52) rotatably connected to the pivot shaft (51) and intended to interact with a sensor (42), the mechanism for transmitting the force of the movable element (2) to the pivot shaft (51) comprising at least, on the one hand, a drive interface embedded in at least one length of the movable element (2) and, on the other hand, a wheel (62) axially positioned on the pivot shaft (51), the wheel (62) comprising, on its periphery, at least one coupling interface (621) to be driven by the drive interface supported on the movable element (2).
G01D 5/04 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens mécaniques utilisant des leviersMoyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens mécaniques utilisant des camesMoyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens mécaniques utilisant des engrenages
B61L 5/10 - Mécanismes de verrouillage des aiguillagesMoyens pour indiquer la position des aiguillages
6.
ASSEMBLY COMPRISING AT LEAST ONE RAIL AND A SUPPORT
The present invention relates to a group of at least two assemblies each comprising a support, at least one rail (4) and a plurality of devices (5) for attaching said rail (4) to said support, said support comprising a plurality of concrete blocks (6), each block (6) being one piece and comprising at least two grooves (7), said attachment devices (5) each comprising at least one head (8) arranged in a groove (7) of one of said blocks (6), said assemblies each comprising a running track part or a track switch, the running track parts or track switches of the first and second assemblies having different geometries, said group being characterised in that at least two blocks (6) are identical. The present invention also relates to a block as a spare or replacement part for a group according to the invention. The present invention finally relates to methods for installing a group according to the invention.
The present invention relates to an assembly for switches and crossings, defining a main track (A) and a turnout track (B), comprising: - a single-piece structure (2), - a needle (3) that is movably mounted on the single-piece structure (2), characterized in that the assembly comprises at least one block (4) forming the counter-needle, the block (4) being removably mounted on a dedicated part of the single-piece structure (2).
Rolling support and guiding element (2) for a rail vehicle, comprising at least one upper portion forming the rolling surface, said portion being made from steel (1) having a composition comprising, in addition to Fe: - 0.15 ≤ C ≤ 0.3 %, - 1 ≤ Mn ≤ 2 %, - 0.2 % ≤ Ni ≤ 1 %, - 0.5 ≤ Cr ≤ 2 %, the steel (1) having a mixed structure of tempered martensite and residual austenite and bainite after having undergone a tempering heat treatment at a controlled speed and for a controlled length of time.
The invention relates to a system (1) for securing a rail (2) by pinching the rail, comprising: a spring (3) bearing on the rail base (2a), a means (5) for securing the spring to a structure (4) carrying the rail, characterized in that the spring means bears against a device (6) for adjusting the spring comprising: a means (7) for supporting the spring, intended to be in contact with an edge of the rail, the spring being unable to move in translation with the support means, a means (8) for anchoring to the structure supporting the rail, a means (9) for adjusting the position of the support means with respect to the anchoring means.
The present invention relates to a mechanism for moving / locking in position point switches, characterised in that the mechanism comprises: - an element fixed in position (1) with at least one stock rail, - a translationally movable element (2) fixedly mounted with at least one point switch and capable of being movable in translation by an actuating device (5), - a device (4) for locking the movable element with the fixed element when the movable element is in an end-of-travel position relative to the fixed element so that the point switch of the translationally movable element abuts against its stock rail, - an element (3) for unlocking the locking device, this unlocking element being movable and capable of being moved by an actuating device (5) when the movable element is fixedly locked with the fixed element.
at least one reinforcement rib (35) transversely linking the front face and the rear section.
The rear section and the front section respectably define, in a contact plane (P) of the lower face with the rail support, two distinct contact surfaces (47, 49) separated by a section (51) of the contact plane and devoid of any contact with the lower face, while the reinforcement rib spans the said section.
Guide rail support (10) intended to withstand forces (F) exerted in a direction (T) transverse to a railway track on a guide rail (5) extending in a longitudinal direction (L) of the railway track. The guide rail comprises: • - a front face (31) in the transverse direction for bearing the guide rail (5) or an attachment part (23) of the guide rail, • - a lower face (33) in a third direction (V) substantially perpendicular to the longitudinal direction and the transverse direction, the lower face transversely comprising at least one front section (43) and one rear section (45), and • - at least one reinforcement rib (35) transversely linking the front face and the rear section. The rear section and the front section respectably defining, in a contact plane (P) of the lower face with the rail support, two distinct contact surfaces (47, 49) separated by a portion (51) of the contact plane devoid of any contact with the lower face, the reinforcement rib spanning said portion.
The invention relates to a device for positioning and securing at least one rail (1) on a sleeper (2), comprising: two angle guides (3, 4) positioned so as to clamp the rail (1), pressing against each of the axial edges of the foot of the rail (1); a positioning baseplate (5) having an upper face on which the rail (1) is mounted, said baseplate (5) being intended to form an interface between the sleeper (2) and the rail (1); and two maintaining elements (6, 7) positioned on each side of the angle guides (3, 4) in order to maintain the angle guides (3, 4) pressed against the edges of the foot of the rail (1). At least one of the maintaining elements (6, 7) of the device comprises an interaction surface, on the face that is intended to press against the angle guides (3, 4), said interaction surface being designed to facilitate the insertion of a shim (8, 9) of the device between the maintaining element (6, 7) and the corresponding angle guide (3, 4).
A crossing frog includes: a cradle assembly which includes a movable point fitting component which has two projection elements which are mutually spaced-apart, a movable point which is mounted in the cradle assembly and fitted in the fitting component, spacer components which are interposed between the projection elements and the movable point, and accommodation for removably fixing the movable point in the fitting component. The spacer components are fixed to the projection elements in a removable manner by the accommodation for removable fixing so that it is possible to remove the point in a vertical direction relative to the cradle assembly.
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