エレベーターロープの劣化推定技術

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書誌事項

タイトル別名
  • Aging Estimation Method for Elevator Rope

説明

<p>Elevators are widely used as the main vertical transportation in the building. In order to ensure the safe operation of the elevator, it is necessary to estimate the damage condition of each component. The rope doesn’t only transmit the driving force of the motor but also supports the load of the car. Therefore, it is particularly important to estimate the damage condition of the rope. Since the rope is damaged unevenly in the longitudinal direction, an inspector needs to identify the most damaged position of the rope. The rope moves along the whole distance of the elevator shaft, so that the inspector needs a lot of time for the conventional rope checking procedure. Therefore, an alternative method is required to reduce the rope checking time. In this paper, we propose a new method to estimate the worn-out rope diameter by using the specific information from the elevator system. The rope diameter can be derived from the rotation number of the traction sheave, which is related to the travel length of the car. The method is evaluated by experiments and we can conclude that the estimated rope diameter corresponds to the actual measurements.</p>

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