International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 04 | Apr 2024
p-ISSN: 2395-0072
www.irjet.net
Development of Drawbridge in Train for Physically Disabled People Manoj U1, Ganeshachari B2, Chithra Y 3, Manojkumar H.M4, Dr. Annapoorna T. L5, Dr. Batluri Tilak Chandra6 1,2,3,4 8th Semester, Department of Mechanical Engineering, 8th semester students, Sri Siddhartha Institute of
Technology, Tumkur – 572105
5, 6 Assistant Professor, Department of Mechanical Engineering, Sri Siddhartha Institute of Technology, Tumkur –
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this instance, the ramp is long enough to function as a true wheelchair ramp without being overly steep. Wheelchair accessibility is additionally provided by bridge plates on certain low-floor buses, which in this instance extend to the ground Bridge plates can be manually deployed (by the driver or another crew member) or motorized, retractable ramps. First completed in 1996, the Siemens SD660 LRV passenger rail cars operated by TriMet (Portland, Oregon) were the first in North America to be outfitted with folding bridge plates. In the past, non-powered bridge plates fixed on station platforms were utilised in the newly finished Sacramento RT Light Rail system in 1987 to bridge the gap between an LRV's floor and a high-platform section at each station.
Abstract - Passengers who are elderly, young, or crippled
find it difficult to get aboard the train with their bags. Generally speaking, the train bogie's steps are substantially higher than the station platforms. Our decision was made to create a sliding ramp for trains, specifically for low-floor trains. The ramp needed to be highly capable of withstanding heavy loads and function autonomously and rapidly. A motor and a sensor are used to accomplish actuator. Three primary structural components make up the ramp, along with a few auxiliary parts that facilitate the movement of the major structural components. Standing in front of the IR sensor is the passenger when the door is open. The Arduino Uno will receive the signals from the IR sensor. The ramp expands selfsufficiently and waits for people to board the train before returning to its initial position on its own after a certain amount of time. It is positioned beneath the door to enable the ramp to be extended from its retracted position. The motors within the housing spin the pinion on the rack, causing the second plate to glide forward. When it comes out of the second plate, the first plate will go through the same procedure. The only differentiation in the mechanism, however, is that in the first plate motion, the rack moves linearly and the motor or pinion is fixed, but in the second plate motion, the rack is stationary and the motor hubs have linear motion. When both plates are fully extended, they should be at a particular angle with the ground. As a result, the second plate's tilt hinges are fitted. The motor will now revolve in the other direction and retract the plate using the same procedure.
2. OBJECTIVES OF WORK 1. To facilitate board and deboarding for those with disabilities. 2. To reduce the need for outside assistance while moving a wheelchair inside the coach. 3. To create a well-thought-out system that includes an aluminum slant sheet that can easily provide a track for wheelchair mobility. 4. To implement rack and pinion technology with IR sensor in an automated ramp system for board and getting off on Indian trains.
3. METHODOLOGY
Key Words: Rack and Pinion, Guide ways, DC Motor, and a Sensors
Three primary structural pieces and a few auxiliary parts for these structural elements' movement will make up the ramp. When the door is open, passengers must stand in front of the IR sensor, which sends signals to the Arduino Uno to cause the ramp to automatically expand and wait for people to board the train. After a short while, the ramp returns to its initial position the major body, second plate, and first plate are these three sections. The first and second moveable plates of the ramp can both slides linearly inside the main body. One part of the main and second plates is the rack and pinion system that moves the plates one and two. To ensure that the plates move smoothly; guidelines are included. the main plate to which the secondary plate is fastened. The second plate slides within the main body of the rack while the pinion, coupled to the motor, moves. The rack remains
1.INTRODUCTION There are certain low-floor light rail vehicles (LRVs) that employ bridge plates, which are moveable, mechanical wheelchair ramps. The Americans with Disabilities Act in the US mandates that the slope must be no more than one inch of rise for every twelve inches of length. The bridge plate extends from the vehicle to the platform, which must be raised to nearly the level of the floor of the vehicle to avoid the wheelchair having to travel an overly steep ramp. Rather than using a bridge, many low-floor buses use a ramp that is normally part of the floor but can be flipped out through the door (using a hinge at the door) onto the curb or street; in
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