Device for stretching compensation in lift cables

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 7/08 (2006.01) B66B 7/10 (2006.01)

Patent

CA 2598814

The invention relates to a device for stretching compensation in lift cables, arranged within a lift unit, with a lift shaft, a cabin (1) (figure 1 and 2), a counter-weight (7) (figure 1 and 2), at least one lift cable (3) (image 1), said cabin and said counter-weight on the pulley (4) (image 1 and 2) and a cable (9) (figure 1 and 2) connected to the underside of the cabin and the counter-weight (figure 2) running around the freely-rotating pulley (10) (figure 1 and 2) in the lift shaft. According to the invention, the device comprises a drive, mechanically connected to the end of at least one cable rod (27) (figure 4) on the underside of the cabin (11) (figure 2) and passing through pressure springs applied to the cabin cable section and a sensor (34) on the spring (12) (figure 1 and 2), which serves to trigger the drive (16) (figures 1, 2, 3 and 4). Two solutions to achieve automatic load compensation on a lift into which a load is charged are given.

L'invention concerne un dispositif destiné à la compensation d'allongement de câbles d'ascenseurs qui sont placés dans une installation d'ascenseur qui comprend une cage d'ascenseur, une cabine (1) (figures 1 et 2), un contrepoids (7) (figures 1 et 2), au moins un câble de suspension (3) (représentation 1) de ladite cabine et dudit contrepoids placé sur le disque (4) (représentations 1 et 2) et un câble (9) (figures 1 et 2) qui est relié à la face inférieure de la cabine et du contrepoids (figure 2) et qui inverse le sens de rotation du disque rotatif (10) (figures 1 et 2) dans la cage d'ascenseur. Selon l'invention, le dispositif comprend un mécanisme d'entraînement qui est raccordé mécaniquement à l'extrémité d'au moins une tige de traction de câble (27) (figure 4) sur la face inférieure de la cabine (11) (figure 2) et qui est constitué de ressorts de pression qui sont utilisés au niveau de la section câble de la cabine ; un détecteur (34) qui est placé sur le ressort (12) (figures 1 et 2) et qui sert à déclencher le mécanisme d'entraînement (16) (figures 1, 2, 3 et 4). L'invention concerne également deux solutions permettant d'obtenir l'équilibrage automatique de charge d'un ascenseur pour une charge embarquée dans l'ascenseur.

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