If you meet the power failure or power line failure during the elevator
running, the elevator will
automatically stop, and its not dangerous. Because the elevator itself with
electrical and mechanical
safety device. In case of power failure, elevator brake can automatically
operate, so that it cant run.
In addition, the power supply departments such as planned outage, prior
notice, elevators or
advance stopped running.
In the elevator door closing process, if people or things touch the hall
door, the door of elevator will
automatically restart, and its safe. Because the door is provided with
anti-clamping switch, once the
gate to touch the person or thing, this switching action make the elevator
cant closed, and
reopened, and then shut the door. In addition, closing force is required,
and it will not hurt person.
Elevator has a car and a counterweight, connect them through the wire rope,
wire rope through the
drive (tractor) traction drive, make the elevator cabin up and down on the
elevator guide rail.
The elevator wire rope has special provisions of the state and requirements. Configuration not only
for wire rope for elevator capsules and rated load, also considered the size of the traction, as a
result, the tensile strength of wire rope greatly is greater than the weight of the lift, the safety factor
of them are more than 12, usually equipped with more than four wire rope, elevator wire rope is
generally not break at the same time.