Abstract
We describes a tension measurement and regulation method for an elevator rope. The rope tension imbalance causes the rope life to be shortened and the sheave groove to become worn in the early stage, and the elevator car riding comfort is decreased. Usually, rope tension measurement is done manually and regulation is carried out by trial and error based on experience. These procedures require much manual labor and corresponding time. Thus, we have developed a rope tension estimation algorithm based on the reciprocating time of the rope acceleration wave generated by hand excitation. Second, we have formulated the relationship between the tension adjustment value and the rope vibration wave reciprocating time. The results of our experiments indicate that the proposed method is able to adjust the tension easily and the accuracy is sufficient for even super highspeed elevators. Lastly, we developed a device for measuring and regulating rope tension. The device is small enough to be carried by hand.
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