What is the bottom of an escalator called?
What is the bottom of an escalator called?
Truss. The truss is the hollow metal structure that bridges the lower and upper landings, composed of two side sections joined together with cross braces across the bottom and just below the top. The ends of the truss are attached to the top and bottom landing platforms via steel or concrete supports.
What does a escalator run on?
An Escalator is a moving staircase that moves people between different floors of a building. They are powered by motors. The steps run on tracks. There is a handrail that moves with the escalator, that you hold onto when riding the escalator.
What are the main parts of an escalator?
The Escalator consists of the following components:
- Landing Platforms.
- Truss.
- Tracks.
- Steps.
- Handrail.
- Escalator Exterior (Balustrade).
- Drive system.
- Auto-Lubrication System.
What is an escalator balustrade?
[1] Balustrade. The side of an escalator extending above the Steps, which includes Skirt Guard, Interior Panel, Deck Board and Moving Handrails.
How are escalators powered?
An escalator is made up of a set of interlocking steps, powered by an electric motor. A pair of chains looped around two pairs of gears rotate to move the steps along while a larger metal structure called a truss encases the entire mechanism to connect the floors.
What are the moving walking platforms called on an escalator?
Moving sidewalks, sometimes called travelators or people movers, use the technology originally developed for the escalator to carry people over horizontal levels or at a slight incline. The ramps have either solid or jointed treads or a continuous belt. Ramps can move at any angle of up to 15 degrees.
Which one is the safety device used in escalator?
Comb-Step Safety Switch (CSS): A safety device that stops the escalator if a foreign object becomes trapped in the gap between the Step and Comb.
Why it is called escalator?
It was Seeberger who created the name “escalator”, from the word scala (Latin for steps), and the word elevator, which was already in general use in the US by this time, and registered it as a trademark for a moving stairway.
What is a landing platform on an escalator?
Top and bottom landing platforms. In addition to housing the upper and lower modules, the top and bottom platforms anchor the ends of the escalator truss and contain a floor plate, a comb plate and comb segments. The floor plate provides a place for the passengers to stand before they step onto the moving stairs.
What does the term escalator mean?
“Escalator” means a power-driven continuous moving stairway principally intended for the use of persons. No elevator or escalator with a defect which affects safety shall be used. Elevator safety devices shall not be overridden or made inoperable. Elevators and escalators shall be thoroughly inspected at intervals not exceeding one year.
What is the width of escalator steps?
Then, as the steps transition at the top and bottom of the escalator, the two tracks separate to allow the steps to “flatten out” at the floor plate. Escalator steps. Most manufacturers offer steps in three widths: 24-in, 32-in and 40-in wide.
What is a lower module on an escalator?
The lower module houses the step return idler sprockets or lower reversing station. This lower reversing station component is now manufactured in cast steel, allowing for a quieter and smoother transition of the steps and chain around the lower end of the escalator. Top and bottom landing platforms.
