Compensation and rope elongation arrangement

Details Compensation and rope elongation arrangement Compensation and rope elongation arrangement

1994-04-05

1996-05-07

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

187343, B66B 1108

Patent

active

055137245

ABSTRACT:
The invention relates to a compensation system in an elevator comprising an elevator car (2), a counterweight (3), a set of elevator suspension ropes (11) on which the elevator car (2) and the counterweight (3) are suspended, a traction sheave (5) whose motion is transmitted via the suspension ropes (11) to the elevator car (2) and to the counterweight (3), and a set of compensating ropes (4) and at least one diverting pulley (15) belonging to the suspension rope system (11) and at least one buffer arrangement (9) for the counterweight (3). The suspension ratio of the compensating rope (4) is the same as that of the suspension ropes (11), or multiplied by a coefficient. The rope suspension ratio on the side of the elevator car (2) is the same as or different than on the side of the counterweight (3). For the compensation of the elongation of the suspension and compensating ropes (11 and 4) of the elevator, a buffer (23) below the counterweight (3) has a provision for vertical adjustment.

REFERENCES:
patent: 3174585 (1965-03-01), Tofanelli
patent: 3653467 (1972-04-01), Showalter
patent: 3882968 (1975-05-01), Suozzo
patent: 4069897 (1978-01-01), Solymos
patent: 4709646 (1987-12-01), Sadler et al.
patent: 5036954 (1991-08-01), Haatikivi et al.

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