System for traversing trolley

B - Operations – Transporting – 66 – C

Patent

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Details

B66C 9/14 (2006.01) H02K 41/025 (2006.01)

Patent

CA 2219434

A system for traversing a trolley along girders resides in that it comprises a linear induction motor having a primary-side component in the form of coils and a secondary-side component in the form of reaction plates, one of said primary- and secondary-side components being arranged on the girders over a transverse range of the trolley, the other of said primary- and secondary-side components being arranged on the trolley to face to said one of the components in a minute spaced-apart relationship. According to this system, the trolley can be traversed at higher speed and with increased accuracy in position control and in swing-suppressing control and cost and burden for maintenance and inspection are reduced.

Système pour faire circuler un chariot sur les poutres d'un engin de levage faisant appel à un moteur à induction linéaire ayant un primaire à bobines et un secondaire à plaques de réaction, l'un des composants du primaire et du secondaire étant monté sur les poutres sur une portion de la portée transversale du chariot, l'autre des composants du primaire et du secondaire étant monté sur le chariot, les deux composants étant montés face-à-face et faiblement écartés l'un de l'autre. Cette configuration de montage permet des déplacements à plus grande vitesse, assure un meilleur contrôle du positionnement du chariot et permet de supprimer les effets de balancement tout en réduisant les frais et les inconvénients associés à l'inspection et à l'entretien.

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