Travelator is a slow moving conveyor mechanism that transports people across a horizontal or inclined plane over a short to medium distance. They are often installed in pairs, one for each direction. Travelator is used in airports and department stores to move people from one floor to another. Inclined travelator is often have special shopping carts equipped with a brake that engages wheel magnets to keep the cart in place on smooth surfaces, or wheels that secure themselves within ramp-grooves. Nearly all airports use travelator to more speedily move passengers with heavy luggage the increasingly long distances between concourses and the terminal or terminal to parking and transport stations. Travelator have been moving passengers between levels of airport terminals, train stations, subway stations, and other public transport and urban areas around the world for decades.

 

 

CHAPTER ONE
1.1                                                        INTRODUCTION
Travelator is a slow conveyor belt that transports people horizontally or on an incline in a similar manner to an escalator. In both cases, riders can walk or stand. The walkways are often supplied in pairs, one for each direction.
As a power-driven, continuous moving stairway designed to transport passengers up and down short vertical distances, escalators are used around the world to move pedestrian traffic in places where elevators would be impractical. Principal areas of usage include shopping centers, airports, transit systems, trade centers, hotels, and public buildings.
Inclined moving walkways and escalators are used in airports and department stores to move people from one floor to another. Inclined travelators are often have special shopping carts equipped with a brake that engages wheel magnets to keep the cart in place on smooth surfaces, or wheels that secure themselves within ramp-grooves.
Nearly all airports use moving walkways to more speedily move passengers with heavy luggage the increasingly long distances between concourses and the terminal or terminal to parking and transport stations. Escalators have been moving passengers between levels of airport terminals, train stations, subway stations, and other public transport and urban areas around the world for decades.
Museums, zoos, theme parks, and exhibits install moving walkways to channel visitors and spectators safely to pass through venues in a certain sequence. They are installed at ski areas to move people short uphill distances to runs or restaurants or provide assistance in getting on chair lifts.
travelators help transport people from one level to another, or between floors of a building, theatre, arena, stadium, mall, or exhibit. They are efficient public transportation equipment. They move military personnel and aircraft carrier pilots as well as cargo between carrier floors. They are practical as well as profitable factory features.
A travelator, for transporting passengers, comprises a conveyor mounted on a frame that is supported on a fixed structure. The frame comprises a number of mutually identical profiled metallic bodies joined together end to end one after the other and containing coupling, supporting and/or guide elements integrated in the profiled metallic body of solid material.

 

1.2                                         BACKGROUND OF THE PROJECT

The invention relates to a travelator, moving ramp or escalator whereby people are transported on a conveyor in a horizontal direction or at an upward/downward angle. The conveyor is mounted on a frame which again is secured to a fixed structure, such as a floor in the case of a travelator, or to different floor levels in the case of a moving ramp or escalator.
As is known for example, from U.S. Pat. No. 4,811,829, the frame of a travelator is usually a rigid trussed construction welded together from beam elements, on which construction the guide tracks and other equipment required for the conveyor are mounted as separate parts. A problem with a frame structure constructed by welding is that it is very difficult to obtain a structure of exact dimensions. The assembly requires the use of expensive and complicated welding jigs. The frame is expensive and producing it is an expensive operation. In simplified terms, the load condition of a frame implemented as a trussed construction corresponds to the load condition of a double-supported beam supported by its ends. According such a frame has been designed to carry, with a certain safety margin, its own weight, the weight of the parts mounted on it and the weight of the passengers, which is why the frame is very heavy and difficult to handle. A trussed construction is usually very stiff and strong, but it is seldom optimized with respect to weight.
Further, European Patent document EP 1 321 424 A1 discloses a frame structure composed of planar frame plate elements. The elements have no profiled parts. The frame plate elements are provided with one or more openings. The openings are formed in the plates by a flame, plasma or laser cutting method. A problem with this frame structure is that its manufacture is time-consuming and expensive.

1.3                                             OBJECTIVE OF THE PROJECT
The objective of this work is to provide a travelator, that has an inexpensive frame and that can be manufactured at a low cost.
Another objective of the invention is to provide a travelator that can be installed in its entire length on a load-bearing carrying structure without the frame itself having to bear any large loads.
The above and other objects are accomplished according to the invention wherein there is provided in an exemplary embodiment a travelator for transporting passengers, comprising: a frame adapted to be supported on a fixed structure; and a conveyor mounted on the frame; wherein the frame comprises two elongated frame parts, each frame part comprising a number of profiled metallic bodies of solid material joined together one after the other, each profiled metallic body including: coupling, supporting and/or guide elements integrated in the profiled metallic body; and an integrated wall forming an outwardly visible outer surface of each frame part.

1.4                                                 SCOPE OF THE PROJECT
According to the invention, the frame comprises a number of profiled metallic bodies preferably mutually identical in cross-section and successively connected to each other, said profiled bodies having coupling, supporting and/or guide elements integrated with the aforesaid one profiled metallic body of solid material.
Travelator is built in one of two basic styles:

• Pallet type—a continuous series of flat metal plates mesh together to form a walkway. Most have a metal surface, though some models have a rubber surface for extra traction.
• Moving belt—these are generally built with mesh metal belts or rubber walking surfaces over metal rollers. The walking surface may have a solid feel or a "bouncy" feel.

Both types of Travelator have a grooved surface to mesh with combplates at the ends. Travelator is often used in airports, where there is a long distance to walk between terminals, and in metro stations.

1.5                                         SIGNIFICANCE OF THE PROJECT
The invention has the advantage that the frame structure formed from profiled metallic bodies is inexpensive and its manufacturing costs are low. Elements having different functions can be integrated in the shapes of one and the same profiled body. A very light frame structure of low construction can be achieved as the frame is mounted in its entire length on a fixed base.
In an exemplary embodiment of the invention, the frame comprises two elongated frame parts provided with guide tracks for guiding the conveyor and consisting of aforesaid profiled metallic bodies or similar bodies connected together end to end one after the other. In addition, a number of transverse cross members extend transversely between the frame parts to hold them parallel to each other at a distance from each other.
In another exemplary embodiment of the invention, the profiled metallic body consists of one or more profiles extruded from a light alloy, such as aluminum or an aluminum alloy.
In yet another exemplary embodiment of the invention, the conveyor is a pallet conveyor comprising a plurality of successive pallets and a drive element, such as a link chain or belt, to which the pallets are connected to move the pallets, the drive element being arranged as an endless loop having an upper portion and a lower portion.
In a further exemplary embodiment of the invention, the travelator comprises a handrail which itself comprises a handrail frame and an endless handrail belt supported on the handrail frame and arranged as a loop having an upper handhold portion that the passenger can grip with a hand for support and a lower return portion disposed inside the frame part.
In another exemplary embodiment of the invention, the travelator, moving ramp or escalator comprises a number of suspenders connected to the profiled metallic body at a distance from each other to support the return portion of the handrail belt.
In yet another exemplary embodiment of the invention, the handrail belt is in cross-section a substantially C-shaped profile, defining inside it an interior groove which in the return portion of the handrail belt opens upwards and which has at its edges edge flanges directed towards each other, with a gap between them. The suspender comprises a web extending through the gap of the handrail belt into the interior groove and suspension flanges extending on either side of the web under the edge flanges to support the handrail belt.
In one exemplary embodiment of the invention, the suspender comprises one or more coupling elements for securing a conductor.
In a further exemplary embodiment of the invention, the suspender has been formed from a material that has a substantially low friction coefficient.
In an embodiment of the invention, the contact surfaces of the edge flanges of the handrail belt that come into contact with the suspension flanges are coated with a material that has a substantially low friction coefficient.
In another exemplary embodiment of the invention, one profiled metallic body of continuous material contains one or more items of the following group integrated in it.
The benefits of escalators are many. They have the capacity to move large numbers of people, and they can be placed in the same physical space as stairs would be. They have no waiting interval, except during very heavy traffic; they can be used to guide people towards main exits or special exhibits; and they may be weather-proofed for outdoor use.

1.6                                         APPLICATIONS OF THE PROJECT
Travelators are frequently found in the following locations:
Airports
Travelators are commonly used in larger airports, as passengers – often with heavy luggage in tow – typically need to walk considerable distances. Travelators may be used:

• in passageways between concourses and the terminal
• within particularly long concourses
• as a connector between terminals, or
• as access to a parking facility or a ground transport station.

Of particular note is the Charles de Gaulle Airport in Paris, France, which has several moving walkways inside a series of futuristic suspended tubes.
Museum exhibits
Moving sidewalks may be used:

• to ensure that a museum exhibit is viewed in a certain sequence
• to provide a particular aesthetic effect
• to make sure the crowd moves through at a reliable pace.

Zoos
Similar to museums, some zoological park exhibits have a travelator to ease guests through an animal display or habitat. An aquarium at the Mall of America does this with a moving walkway made up of specially rounded pallets that enable it to change directions en route. The San Diego Zoo uses moving ramps to help guests ascend steep grades.

Theme parks
Some amusement park rides, such as continuous-motion dark rides like Disney's Omnimover rides, make use of a travelator to assist passengers in boarding and disembarking rides and attractions. Some examples include:

• the Ultra Twister, a roller coaster at the now closed Astroworld in Houston, Texas. (It had a moving walkway with no handrail for passengers to step on prior to boarding their car. The walkway would move at the same speed as the approaching cars, allowing passengers completing the ride to step off and for boarding passengers to enter the car. A loudspeaker announced "Moving conveyor, please watch your step" to warn of the moving walkway.)
• the exit from the Space Mountain attraction at Walt Disney World has a long moving walkway which changes inclination multiple times.
• the exit from the Pirates of the Caribbean attraction at Walt Disney World has an inclined moving walkway leading towards a gift shop.
• the Tomorrowland Transit Authority PeopleMover attraction at Walt Disney World has two inclined moving walkways to carry guests between the ground level and the attraction's load and unload stations, where guests step onto another moving walkway that is one of the few circular moving walkways

Theatre

Public transport
Travelator is useful for remote platforms in underground subway/metro stations, or assisting with lengthier connections between lines.

Urban areas

Skiing
travelator known as Magic carpets are also used in ski resorts. Skiers can place their skis on the walkway which is designed to provide a strong level of grip. Since the walkways cannot be too steep and are slow compared to other aerial lifts, they are used especially for beginners or to transport people over a short uphill distance, such as to reach a restaurant or another lift's station. Travelator can also be found at chairlifts' entrances to help passengers in the boarding process.

 

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