To provide a fixing system of a manhole cover of a passenger conveyor which can improve maintenance inspection workability while securing safety of users.SOLUTION: A fixing system of a manhole cover of a passenger conveyor includes a fixing device 70 for fixing an upper manhole cover 54 blocking an upper side of an upper machine room 52 of an escalator 50 to the upper machine room 52, and a control board 11 which is provided in the upper machine room 52 and switches fixing or release by the fixing device 70, wherein the fixing device 70 has a magnet piece 71 provided in the upper manhole cover 54, a spring 72 which energizes the magnet piece 71 in a direction at which the upper manhole cover 54 is fixed, and an electromagnetic coil 73 which is provided in the upper machine room 52, and the control board 11 acquires positional information of a portable telephone 15 held by the worker W, calculates a distance between the portable telephone 15 and the control board 11, detects proximity of the worker W to the control board 11 and releases fixation of the upper manhole cover 54 by the fixing device 70, when the distance is within a predetermined distance.SELECTED DRAWING: Figure 3
【課題】利用客の安全性を担保しつつ保守点検作業性を向上させることができる乗客コンベアのマンホール蓋の固定システムを提供する。【解決手段】エスカレーター50の上部機械室52の上部を塞ぐ上部マンホール蓋54を上部機械室52に固定する固定装置70と、上部機械室52に設けられ、固定装置70による固定または解除を切り替える制御盤11と、を備え、固定装置70は、上部マンホール蓋54に設けられた磁石片71と、磁石片71を上部マンホール蓋54が固定される方向に付勢するバネ72と、上部機械室52に設けられた電磁コイル73と、を有し、制御盤11は、作業者Wが所持する携帯電話15の位置情報を取得し、携帯電話15と制御盤11との距離を算出し、距離が所定距離以内の場合には、作業者Wが制御盤11に近接していることを検知し、固定装置70によって上部マンホール蓋54の固定を解除する。【選択図】図3
FIXING SYSTEM OF MANHOLE COVER OF PASSENGER CONVEYOR
乗客コンベアのマンホール蓋の固定システム
20.11.2024
Patent
Elektronische Ressource
Japanisch
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