Carriage-type conveyance device

B - Operations – Transporting – 61 – B

Patent

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Details

B61B 13/12 (2006.01) B61D 47/00 (2006.01) B65G 35/06 (2006.01)

Patent

CA 2657188

The present invention makes it easy to lay-out a carriage traveling path crossing an aisle for a vehicle, etc., in a conveyance device using a carriage which has an object support base movable vertically controlled by cam rails on the floor side, and is characterized in that an automatic lock means for locking an object support base 11 at a rising limit position is provided, unlocking cam follower rollers 44 of this automatic lock means are provided higher than a conveyance carriage supporting level L of a carriage traveling path P, a cam follower roller 32 for elevating the object support base 11 is positioned higher than the conveyance carriage supporting level L when the object support base 11 is at the rising limit position, and in an area in which the carriage traveling path and the aisle crosses each other, a crossing aisle floor member 45 is laid at the same level as the conveyance carriage supporting level L, and the conveyance carriage 1 can pass through this aisle crossing area in a state that the object support base 11 is locked at the rising limit position by the automatic lock means.

L'invention concerne un dispositif de transport faisant appel à un chariot. Ce dispositif comprend une base de support d'objet pouvant être levée et abaissée, et commandée par un rail de came situé du côté du sol. Ce dispositif permet de faciliter l'établisement de la trajectoire de course du chariot lorsque celle-ci coupe une trajectoire destinée à des véhicules etc. Ce dispositif présente un moyen de verrouillage automatique destiné à verrouiller la base de support d'objet (11) dans sa position limite de levage supérieure. Un galet de came suiveur (44) destiné à déverrouiller le moyen de verrouillage automatique est situé au-dessus du niveau de support du chariot de transport (L) de la trajectoire de course du chariot (P). Un galet de came suiveur (32) destiné à lever et à abaisser la base du support d'objet (11) est positionné au-dessus du niveau de support de chariot de transport (L) lorsque la base de support d'objet (11) est dans sa position limite de levage supérieure. Dans le zone d'intersection de la trajectoire de course du chariot et de la trajectoire de véhicules, un élément de sol de trajectoire d'intersection (45) afleure au niveau du support de chariot de transport (L). Le chariot de transport (1) traverse la zone d'intersection avec sa base de support d'objet (11) en état vérouillé dans sa position limite supérieure par le moyen de verrouillage automatique.

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