Welding unit for welding rails

Details Welding unit for welding rails Welding unit for welding rails

E - Fixed Constructions

01

B

E01B 29/46 (2006.01)

Patent

CA 2741919

A welding unit for welding two rails (7) of a track is equipped with clamping jaws (6) intended for application to a rail web (25). These clamping jaws (6) each have a sliding surface (16), spaced from a contact surface (15) in the transverse direction of the rails, which is curved - with respect to a cross-section extending perpendicularly to a neutral axis (17) of the rails (7) - in the shape of a circular arc. A jaw mount (14) provided for fixation of the clamping jaw (6) has a sliding surface (18) which is curved in accordance with the sliding surface (16) of the clamping jaw (6), so that the clamping jaw (6) is movable along the sliding surfaces (16, 18) relative to the jaw mount (14).

L'invention concerne un groupe de soudage servant au soudage de deux rails (7) d'une voie, équipé de mâchoires (6) prévues pour l'application sur une àme (25) du rail. Ces mâchoires présentent chacune une surface de glissement (16) distante d'une surface de contact (15) dans le sens transversal du rail, ladite surface de contact étant incurvée en forme d'arc de cercle, par rapport à une section transversale s'étendant normale à un axe neutre (17) du rail (7). Un support de mâchoires (14), prévu pour la fixation des mâchoires (6), présente une surface de glissement (18) qui est incurvée conformément à la surface de glissement (16) de la mâchoire(6), de façon que la mâchoire (6) puisse se déplacer le long des surfaces de glissement (16, 18), par rapport au support de mâchoires (14).

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