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What is the role of the speed limiter tensioning device?

Dec 05, 2018

The function is to tighten the speed limiter wire rope, on the one hand, there is sufficient friction between the wire rope and the speed limiter sheave to ensure that the line speed of the rope and the wheel are completely consistent;

On the other hand, the wire rope is prevented from swaying in the elevator shaft to cause operational interference. There is a switch on the tensioning device that automatically cuts off the system power when the rope is excessively slack or broken.

This article tags: speed limiter, tension device, what is it?