挟持力可変式手摺駆動装置における挟持力と走行抵抗について

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In escalators that drive the handrail with driving rollers, small diameter rollers push against the handrail surface for extended periods of time when the escalator is not in operation. As a result, indentations remain on the handrail surface and the handrail surface is easily covered with dirt. Since the holding force or driving force, per roller is limited, it is necessary to increase the number of handrail drive devices in proportion to the height of the escalator. This results in increased costs. A handrail drive device that has a variable holding force can resolve these issues. This type of handrail drive device drives the handrail with driving rollers, but the holding force changes in proportion to the running resistance of the handrail, and the holding force is very small when the handrail is stopped. Accordingly, there will be less dirt accumulation and indentations on the handrail, and the number of handrail drive devices need not be increased for a high escalator. Handrail drive devices with variable holding force are already commercially available and the basic operating principles are known. However, apparently there is no written report covering the detailed operating principles, and experimental verification of the performance of these handrail drive devices. In this paper, first the operating principles are reviewed. Next, the relation between the running resistance of the handrail and the holding force is examined when the inclination of three driving rollers are and are not compensated to maintain horizontal alignment. In addition, a handrail drive device and a pilot machine were built to evaluate performance and to verify the operating principles.
2010-09-25

挟持力可変式手摺駆動装置における挟持力と走行抵抗について

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