A railway axle hub unit

B - Operations – Transporting – 61 – K

Patent

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Details

B61K 9/12 (2006.01) B61F 15/20 (2006.01) B61K 9/04 (2006.01) G01M 13/04 (2006.01)

Patent

CA 2364786

A railway axle hub unit of the type comprising an axle box housing (1) for supporting a bearing, is provided with a sensor body (3, 9) containing sensors (4, 5) for detecting vibration in the vertical direction and the horizontal axial direction. The sensor body is mounted onto a stationary support element (2, 1, 15) rigidly secured to the bearing, preferably an annular sealing insert. The sensors perform monitoring of the operation condition of the hub unit by generating and transmitting signals indicative of the detected level of vibration to an electronic processing unit mounted on board of the railway vehicle or the train. The processing unit is capable of signalling in real time an impending failure and/or a damaged condition associated with the monitored hub unit.

La présente invention concerne une unité moyeu d'essieu ferroviaire, du type comprenant un carter d'essieu (1) destiné à supporter un palier, équipée d'un logement (3,9) contenant des capteurs (4,5) destinés à détecter des vibrations dans les directions verticale et horizontale par rapport à l'essieu. Le logement des capteurs est monté sur un élément support stationnaire (2,1,15) fixé de manière rigide au palier, de préférence, un insert d'étanchéité annulaire. Les capteurs permettent un suivi des conditions de fonctionnement de l'unité moyeu au moyen d'une génération et d'émission de signaux, indiquant le niveau de vibration détecté, vers une unité de traitement électronique montée à bord du véhicule de chemin de fer ou du train. L'unité de traitement permet de signaler en temps réel une panne imminente ou un problème de détérioration associés avec l'unité moyeu d'essieu en surveillance.

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