PROBLEM TO BE SOLVED: To provide a moving handrail deterioration diagnostic device capable of finding a movement distance of a moving handrail without comprising any encoder.SOLUTION: According to the present invention, a moving handrail deterioration diagnostic device 12 that diagnoses damage to a steel cord embedded in a moving handrail 3 while the handrail 3 that an elevator 1 comprises is placed in operation comprises a rear wheel 13a rolling on an upper surface of the moving handrail 3; a magnetic tape 13c which is stuck on a peripheral surface of the rear wheel 13a and has an end part 13c1 forming a border part with a peripheral surface part; an excitation coil M1 and a receiving coil M2 which detect featured magnetic flux exiting from the end 13c1 of the magnetic tape 13c; and an arithmetic part which calculates a movement distance of the moving handrail 3 in operation based upon the number of peaks of the magnetic flux detected through those excitation coil M1 and receiving coil M2 and a length of the peripheral surface of the rear wheel 13a.SELECTED DRAWING: Figure 5
【課題】エンコーダを備えることなく移動手摺りの移動距離を求めることができる移動手摺り劣化診断装置の提供。【解決手段】本発明は、エレベータ1に備えられる移動手摺り3を稼働させた状態で、この移動手摺り3に埋設したスチールコードの損傷を診断する移動手摺り劣化診断装置12において、移動手摺り3の上面を転動する後輪13aと、この後輪13aの周面に貼り付けられ、周面部分との境界部を形成する端部13c1を有する磁気テープ13cと、この磁気テープ13cの端部13c1から出る特徴的な磁束を検出する励磁コイルM1および受信コイルM2と、これらの励磁コイルM1および受信コイルM2を介して検出される磁束のピークの数と、後輪13aの周面の長さとに基づいて、稼働されている移動手摺り3の移動距離を算出する演算部とを備えている。【選択図】図5
MOVING HANDRAIL DETERIORATION DIAGNOSTIC DEVICE
移動手摺り劣化診断装置
2016-12-22
Patent
Electronic Resource
Japanese
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