Tamping unit for track tamping machines for tamping two...

E - Fixed Constructions – 01 – B

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Details

E01B 27/16 (2006.01)

Patent

CA 2155479

A tamping unit (7) for track tamping machines for tamping two immediately adjacent sleepers of a track is provided with two pairs, mounted one following the other in the longitudinal direction of the machine on a vertically adjustable tool carrier (14,15), of outer and inner tamping tools (10-13) respectively connected to an eccentric shaft (17,26) by way of a squeeze drive (18,25). One of the outer tamping tools (13) arranged on either side of the inner tamping tools (10,11) - with respect to the longitudinal direction of the machine - is designed so as to be independently vertically adjustable relative to the other tamping tools (10,11,12) by means of a separate vertical adjustment drive (20). This independently vertically adjustable outer tamping tool (13) is mounted on a separate, second tool carrier (15) and is connected by way of the squeeze drive (18) to a separate eccentric shaft (17). The associated tool carrier (15) is mounted for vertical adjustment on a vertical guide (19) and is connected for the vertical adjustment to the separate vertical adjustment drive (20).

Cette invention concerne un organe de bourrage (7) sur bourreuse de voie étudiée pour le traitement de deux traverses immédiatement adjacentes. Il comprend deux paires de bourroirs, une paire de bourroirs extérieurs et une paire de bourroirs intérieurs (10-13), montées l'une derrière l'autre dans le sens longitudinal de la bourreuse sur un porte-outil réglable en hauteur (14, 15) et raccordées respectivement à un de deux arbres à excentrique (17, 26) au moyen d'un vérin (18, 25). Un des bourroirs extérieurs (13), monté d'un côté ou l'autre des bourroirs intérieurs (10, 11) - dans le sens longitudinal de la bourreuse -, est adapté pour se régler en hauteur indépendamment des autres bourroirs (10, 11, 12) au moyen d'un mécanisme de réglage en hauteur distinct (20). Ce bourroir (13) à réglage en hauteur indépendant est monté sur un porte-outil distinct (15) et raccordé au moyen d'un vérin (18) à un arbre à excentrique distinct (17). Ce porte-outil (15) est monté sur un guide vertical de réglage en hauteur (19) et raccordé à un mécanisme de réglage en hauteur distinct (20).

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