To provide a chain looseness detection device for a passenger conveyor that can accurately detect looseness of a chain.SOLUTION: A chain looseness detection device for a passenger conveyor includes: drive timing detection parts for respectively detecting operation timing that a pair of sprockets, around which a chain is looped, actuary start rotating; and a control unit for detecting that looseness of the chain occurs by a predetermined reference value or more when a difference between a pair of pieces of operation timing detected by the drive timing detection parts exceeds a predetermined reference timing difference.SELECTED DRAWING: Figure 3

    【課題】チェーンの緩みを正確に検出することができる乗客コンベアのチェーン緩み検出装置を提供する。【解決手段】チェーンが掛け渡された一対のスプロケットが実際に回転し始めたタイミングである動作タイミングをそれぞれ検出する駆動タイミング検出部と、前記駆動タイミング検出部により検出された一対の動作タイミングの差が所定の基準タイミング差を超えて検出された場合に所定の基準値以上のチェーンの緩みが発生したと判断する制御部と、を備える。【選択図】図3


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    Title :

    CHAIN LOOSENESS DETECTION DEVICE FOR PASSENGER CONVEYOR


    Additional title:

    乗客コンベアのチェーン緩み検出装置


    Contributors:

    Publication date :

    2021-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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