Design, Simulation And Analysis Of Climbing Trolley

Seladorai, Turkeswaran (2020) Design, Simulation And Analysis Of Climbing Trolley. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

First trolley model evolved long back in eighteenth century. However, fast improvement in this field began in the middle of twentieth century. Many types of models had been designed, extending into broad range of products. That is the reason to further develop the next generation trolley. The aim of this project is developing a mechanism for easy transportation of heavy loads over stairs. The requirement for such a system arises from regular needs in our society. Devices like hand trolley are used to relieve the stress of lifting whereas on flat ground; however, these devices sometimes fail once it involves carrying the load over short fleet of stairs. In the light of this, the project makes an attempt to design a stair climbing hand cart which may carry heavy objects up the stairs with less effort compared to carrying them by manually. It is important to review the commercial viability and importance of such a product. A few designs were considered that would permit a non-industrial hand trolley to go over stairs, curbs, or uneven terrain while reducing the strain on the user. In our project, the stair climbing trolley manually is equipped with rubber excavator base wheels which enable us to carry load up and down the stairs. The rubber base set out to modify an existing product that would be east to assemble and use. The design primarily involved processes like brainstorming, creating conceptual sketches, making CAD modelling. It additionally eases movement of trolley in irregular surface like hole, bumps, etc. At the end, the design of strair climbing trolley has been produced in Autodesk 3ds Max and the result of simulation of the von mises stress, vi displacement and equivalent strain on the components of the rim, handle and shaft were analyzed.

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