To provide a technique capable of improving workability with a simple device configuration in inspection of a shaking width of a handrail chain of an escalator.SOLUTION: A shaking width checking device for checking a chain shaking width of an escalator comprises a laser projection unit including a reference laser projection unit that applies a laser beam to the side surface of a chain located at an object to be measured from a horizontal direction and at least one checking laser projection unit that applies a checking laser projection beam parallel to the reference laser beam. The checking laser projection unit is disposed at a position where an application interval between the reference laser beam and the checking laser beam becomes a setting value of the shaking width. A maintenance engineer presses the object to be measured by a prescribed force in a pressing direction, and checks whether the object is included within the range between the reference laser beam and the checking laser beam.SELECTED DRAWING: Figure 2

    【課題】エスカレーターの手摺チェーンの振れ幅の点検において、簡易な装置構成で作業性を改善することが可能な技術を提供する。【解決手段】エスカレーターのチェーンの振れ幅を確認するための振れ幅確認装置は、測定対象部に位置するチェーンの側面に対して水平方向から基準レーザー光を照射する基準レーザー投光部と、基準レーザー光に並行な確認用レーザー光を照射する少なくとも1つの確認用レーザー投光部と、を含むレーザー投光ユニットを備える。少なくとも1つの確認用レーザー投光部は、基準レーザー光と確認用レーザー光との間の照射間隔が振れ幅の設定値となる位置に配置される。保守員は、測定対象部を前記押圧方向に規定の力で押圧し、測定対象部が基準レーザー光と確認用レーザー光との間の範囲に含まれるかどうかを確認する。【選択図】図2


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    Title :

    CHAIN SHAKING WIDTH CHECKING DEVICE AND SHAKING WIDTH CHECKING METHOD FOR ESCALATOR


    Additional title:

    エスカレーターのチェーンの振れ幅確認装置及び振れ幅確認方法


    Contributors:

    Publication date :

    2023-02-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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