ELEVATOR DEVICE

ELEVATOR DEVICE

In an elevator apparatus, a car is suspended by a main rope on a first side of a sheave, and a counterweight is suspended by the main rope on a second side of the sheave. A rotation detector generates a signal that corresponds to rotation of the sheave. A slippage testing portion operates the car th...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: MITSUI, Atsushi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:In an elevator apparatus, a car is suspended by a main rope on a first side of a sheave, and a counterweight is suspended by the main rope on a second side of the sheave. A rotation detector generates a signal that corresponds to rotation of the sheave. A slippage testing portion operates the car through a round trip for a predetermined distance, and tests for slippage between the sheave and the main rope based on a difference between a signal from the rotation detector during ascent and a signal from the rotation detector during descent.