PROBLEM TO BE SOLVED: To provide a chain sheave capable of safely and reliably elevating an extremely heavy article.SOLUTION: A chain sheave for guiding a chain with a periphery surface, comprises: a first groove which is formed in the sheave to support the chain, and which has a regular polygon shape, in a view from a sheave shaft direction, constituted of sides longitudinally contacting and supporting a lateral link among links constituting the chain; and a second groove which is formed at a center of the sheave shaft direction in the first groove, and which allows an insertion of a peripheral surface on a sheave shaft side of a longitudinal link constituting the chain.SELECTED DRAWING: Figure 2

    【課題】超重量物を安全確実に昇降可能なチェーンシーブを提供する。【解決手段】外周面でチェーンを案内するシーブであって、シーブに形成された、チェーンを支持する第1の溝が、シーブ軸方向から見たときに、チェーンを構成するリンクのうち、横リンクをその長さ方向で接触支持する辺で構成された正多角形であると共に、該第1の溝のシーブ軸方向中央部に、チェーンを構成する縦リンクのシーブ軸側の外周面が嵌入し得る第2の溝が形成されていることを特徴とするチェーンシーブ。【選択図】図2


    Access

    Download


    Export, share and cite



    Title :

    CHAIN SHEAVE


    Additional title:

    チェーンシーブ


    Contributors:

    Publication date :

    2017-10-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / F16H Getriebe , GEARING



    Sheave and sheave system

    WALTON STEWART | European Patent Office | 2016

    Free access

    SHEAVE AND SHEAVE SYSTEM

    WALTON STEWART | European Patent Office | 2016

    Free access

    SHEAVE UNIT, SHEAVE, AND SHEAVE SPLIT BODY

    KAKIUCHI KAZUYA / NAKATSUKASA KENICHI / OGAWA YOHEI et al. | European Patent Office | 2023

    Free access

    Novel elevator compensation chain rope sheave

    ZHANG AICHEN / ZHANG QIN / LI ZHONGMING | European Patent Office | 2015

    Free access

    Sheave

    NAKANE HIROSHI / OKAZAKI YOHEI | European Patent Office | 2015

    Free access