Lift driving device

Details Lift driving device Lift driving device

B - Operations, Transporting

66

B

B66B 9/04 (2006.01)

Patent

CA 2258233

The invention discloses a lift driving device comprising a cage integral with a frame (16, 18) co-operating with vertical guiding means (12, 14). It comprises a mobile horizontal crosspiece (20) independent of the frame co- operating with the vertical guiding means (12, 14), a cylinder comprising a body (24) and a rod (26) with vertical displacement, the cylinder body being integral with the frame (16, 18) and the cylinder rod end (26a) being integral with the mobile crosspiece, a first and a second set of pulleys (32, 34) mounted free on horizontal shafts (56, 60) integral with the mobile crosspiece and the frame respectively and a cable (36) passing over the said pulley sets to constitute a pulley block, a first end (40) of the said cable being integral with the upper end of the lift shaft and the other end (38) thereof is integral with one of the said two elements.

L'invention concerne un dispositif d'entraînement pour ascenseur du type comprenant une cabine solidaire d'un étrier (16, 18) coopérant avec des moyens de guidage verticaux (12, 14). Il comprend une traverse horizontale mobile indépendante (20) de l'étrier coopérant avec les moyens de guidage vertical (12, 14), un vérin comprenant un corps (24) et une tige (26) à déplacement vertical, le corps du vérin étant solidaire de l'étrier (16, 18) et l'extrémité (26a) de la tige du vérin étant solidaire de la traverse mobile, un premier et un deuxième ensemble de poulies (32, 34) montés libres respectivement sur des axes horizontaux (56, 60) solidaires respectivement de la traverse mobile et de l'étrier et un câble (36) passant sur lesdits ensembles de poulies pour constituer un moufle, une première extrémité (40) dudit câble étant solidaire de l'extrémité supérieure de la gaine de l'ascenseur et dont l'autre extrémité (38) est solidaire d'un desdits deux éléments.

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