Basic of escalator

commonly found in places like shopping malls, airports, and train stations, designed to move people between different floors of a building efficiently. Given their mechanical nature and the potential risks associated with their operation, escalators are equipped with various safety features and systems to prevent accidents and ensure passenger safety.

Some common safety features and systems found in escalators include:

1. Emergency stop buttons: These are located at various points along the escalator and can be pressed to immediately stop the escalator in case of an emergency.

2. Skirt brushes and comb plates: These are designed to prevent entrapment of clothing or other items in the gaps between the steps and the sides of the escalator.

3. Step sensors: These sensors detect when a step is out of alignment or has stopped moving, triggering the escalator to shut down automatically to prevent accidents.

4. Handrail sensors: Similar to step sensors, these sensors detect if the handrail is moving at an abnormal speed or direction, which could indicate a malfunction.

5. Over-speed and under-speed detection: Systems are in place to monitor the speed of the escalator and detect if it is moving too fast or too slow, triggering safety measures accordingly.

6. Emergency braking systems: In the event of a malfunction or power failure, escalators are equipped with braking systems to bring them to a stop safely.

7. Visual and audible alarms: These alert passengers to emergencies or unsafe conditions, such as excessive speed or a malfunction.

8. Regular maintenance and inspection: Regular maintenance and inspections are crucial for ensuring the proper functioning of escalator safety systems and identifying any potential issues before they escalate into safety hazards.

These are just some examples of the safety features and systems typically found in escalators. Each escalator may have additional features or variations depending on its design and location.