Belt device for driving elevator

A belt device for driving an elevator is provided, the rest retaining capability of which is improved in order to retain the stopped state of an elevator cage if oil or water adheres to between a belt and a pulley. In the belt device for driving an elevator in which a belt 4 is stretched over a plur...

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Bibliographic Details
Main Author YUASA KAZUYUKI,ISHIKIRIYAMA YASUNORI,WAKE ATSUHITO
Format Patent
LanguageEnglish
Published 02.05.2007
Subjects
ELEVATORS
ESCALATORS OR MOVING WALKWAYS
HAULING
HOISTING
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:A belt device for driving an elevator is provided, the rest retaining capability of which is improved in order to retain the stopped state of an elevator cage if oil or water adheres to between a belt and a pulley. In the belt device for driving an elevator in which a belt 4 is stretched over a plurality of pulleys 1, 2, and 3, and the belt 4 is rotated by the rotations of the pulleys 1, 2, and 3, wherein the coefficient of friction of a contact surface with at least a driving pulley in the belt 4 is set to 0.6 to 3.0, and the contact surface is constructed of a rubber having a hardness (IRHD) of 65 to 95, and a wear resistance of 5 to 300 mm 3 in Taber wear (ISO547-1-1999, under conditions: a wear ring of H18; a load of 1 kg; and 1000 rpm).
Bibliography:Application Number: CN200580016360