How does the elevator work

Update:25 Mar 2019
Summary:

The elevator has a car and a counterweight, which are c […]

The elevator has a car and a counterweight, which are connected by a wire rope. The wire rope is driven by the traction of the driving device (the traction machine), so that the elevator car and the counterweight move up and down on the inner rail of the elevator.

Is the wire rope of the elevator broken?

The wire rope for elevators is dedicated to elevators, and the state has special regulations and requirements. The configuration of the wire rope is not only for the elevator car and the rated load, but also the traction force. Therefore, the tensile strength of the wire rope is much larger than the load capacity of the elevator. Their safety factors are all above 12, usually the elevators are With more than four wire ropes, elevator ropes are generally not broken at the same time.

Is there a danger of sudden power failure during elevator operation?

In the event of sudden power failure or failure of the power supply line during elevator operation, the elevator will automatically stop running without any danger. Because the elevator itself is equipped with electrical and mechanical safety devices, once the power is cut off, the brakes of the elevator will automatically brake, making the elevator unable to operate. In addition, if the power supply department has a planned power outage, the elevator will be notified in advance, or the elevator will stop running in advance.

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