The project deals with the designing and manufacturing of a tri-wheeler stair climber, which can climb stairs with less effort as compared to manual work. The technical issues in designing of this vehicle are the stability and speed of the vehicle while climbing stair. The inclinations of the stairs is also the important parameter for this study. The application of this special trolley are often used to lift the goods such as books for library, medicines in hospital, regular goods of any technical or non technical institutes, or transportation of toxic materials for industries and give freedom to the retarded person or paralyzed patients to move anywhere over flat surface as well as stairs. The vehicle has four wheels arrangement to support its weight when it moves over the flat surface. Each set of wheel frame consists of three wheels attached with nuts and bolts. Using this vehicle, the labour cost can be reduced as well as huge amount of loads can be transferred uniformly with less power consumption. Moreover, considering some drawbacks due to lack of implementation of all techniques during manufacturing phase the test and trial run showed considerably significant and encouraging results that might help the future researchers to incorporate a gear box and steering mechanism to make the vehicle more versatile.
Trisection, Trolley, Stair Climber, Tri-Wheeler Mechanism, Heavy Load
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