B - Operations – Transporting – 66 – D
Patent
B - Operations, Transporting
66
D
B66D 1/74 (2006.01) B66D 1/50 (2006.01)
Patent
CA 2699347
The invention relates to a cable lifting apparatus for lifting people or loads, including a traction sheave provided with a peripheral groove housing a suspension cable against which rollers apply a pressure in order for the traction sheave to perform the pulling function thereof. The apparatus is designed such that the radial load on the cable is a function of the load to be lifted and of the torque applied by a pinion mounted at the output of the reduction power unit and meshed with a gear wheel integrally connected to, and rotatably concentric with, the traction sheave. The described apparatus allows using a variable number of cables, either by means of the use of a modified sheave provided peripherally with as many grooves as there are cables and having an independent group of pressure rollers for each cable or through the formation of grooves between portions separated by notches made in radial planes between successive portions and having a single group of pressure rollers for all of the cables.
Se describe un aparato elevador por cable, para elevar personas o cargas, del tipo que incluyen una polea de tracción dotada de una garganta periférica en la que se aloja un cable de suspensión contra el que se aplica presión por medio de rodillos para garantizar el arrastre por parte de la citada polea de tracción. El aparato está concebido de manera que la carga radial sobre el cable s una función tanto de la carga a elevar como del par aplicado por un piñón montado a la salida del grupo motriz reductor, y engranado con una rueda dentada solidarizada, y concéntrica en cuanto a giro, con la polea de tracción. El aparato descrito permite utilizar un número variable de cables, ya sea mediante una polea modificada que incorpora en su periferia tantas gargantas como cables y con un grupo de rodillos de presión independiente para cada cable, o ya sea mediante formación de gargantas entre porciones separadas por cortes realizados en planos radiales entre porciones sucesivas, con un único grupo de rodillos de presión para todos los cables.
Asensio Bazterra Juan Julian
Del Pozo Polidoro Enrique
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Elevadores Goian S.l.
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