Traction sheave elevator with drive machine below
AssigneeKone Corporation
InventorsHarri Hakala, Esko Aulanko
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Abstract
The invention relates to a traction sheave elevator with drive machine below, comprising an elevator car (1) moving along elevator guide rails (10), a counterweight moving along counterweight guide rails (11), a set of hoisting ropes (3) supporting the elevator car and the counterweight, and in the bottom part of the elevator shaft a drive machine unit (6) comprising a traction sheave (7) driven by the drive machine and engaging the hoisting ropes (3). The drive machine unit (6) of the elevator is placed below the path of the counterweight (2). In the direction of the thickness of the counterweight, the drive machine unit (6) is placed substantially inside the shaft space extension required by the counterweight (2) on its path, including the safety distance.
Claims16
A traction sheave elevator with drive machine below, comprising:
- an elevator car moving along elevator guide rails in an elevator shaft;
- a counterweight moving along counterweight guide rails, the counterweight being movable along a counterweight path;
- a set of hoisting ropes on which the elevator car and the counterweight are suspended;
- and
- a drive machine unit located in a bottom part of the elevator shaft, the drive machine unit comprising a traction sheave and means for driving the traction sheave, the traction sheave engaging the hoisting ropes, the drive machine unit being placed below the counterweight path, the drive machine unit in a thicknesswise direction of the counterweight being placed substantially inside a shaft space extension required by the counterweight on the path thereof including a safety distance for the counterweight.
Dependencies are inferred from the claim text.