Device for producing elevator shaft information

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 1/34 (2006.01)

Patent

CA 2405691

The position of an elevator car (2) in an elevator shaft is important in controlling an elevator (4). To achieve the above, a device for producing elevator shaft information is required. In the example cited, the device consists of an encoder (11) connected to a toothed belt (10) tensed above the height of the shaft, wherein said encoder detects the absolute position of the elevator car (2). The encoder (11) which is arranged on the elevator car (2) has a toothed wheel (12) which can be driven by means of the toothed belt (11) when the elevator car (2) moves in the elevator shaft (1). Guide rollers (13) ensure that the toothed wheel (12) engages securely in the toothed wheel work (12) of the toothed belt (10). Each end of the toothed belt (10) is associated with a transversal support element (14). A reinforcement of the toothed belt acting as a tension string ensures that the necessary belt tension is maintained. .

La position de la cabine d'ascenseur (2) dans la cage d'ascenseur est nécessaire à la commande d'ascenseur (4). Par conséquent, la commande d'ascenseur requiert un dispositif de production d'informations de cage. Le dispositif selon l'invention comporte une courroie dentée (10) s'étendant sur toute la hauteur de la cage, et un codeur (11) relié à la courroie dentée (10), ledit codeur détectant la position absolue de la cabine d'ascenseur (2). Le codeur (11) disposé sur la cage d'ascenseur (2) présente une roue dentée (12) pouvant être entraînée lors du déplacement de la cabine d'ascenseur (2) dans la cage d'ascenseur (1) au moyen de la courroie dentée (11). Des galets de guidage (13) garantissent une prise sûre de la roue dentée (12) dans la denture de la courroie dentée (10). La courroie dentée (10) est fixée à une traverse (14) avec chaque extrémité. Une armature de la courroie dentée (10) servant de ressort de traction garantit la tension de courroie nécessaire.

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