Push And Pull Force Analysis For Designing Manual Operated Industrial Trolley

Tan, Chee Wei (2020) Push And Pull Force Analysis For Designing Manual Operated Industrial Trolley. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In recent years, the rapid development of technology has made people's quality of life insured. Many new technologies have replaced the old technologies to make people more convenient. The trolley is a tool and relatively traditional technology that has been around for a long time. In some places of daily life, such as hospitals, industries and supermarkets, can be see people using them. However, there are several complaints about the experience of using the trolley. The occupational injuries such as low back pain and muscle sprain are common suffer by the user of trolley. The reasons that cause this issue are because the handle of the trolley can’t adjust according to the user needed and low coefficient of friction on the trolley handle which force the user use the trolley in awkward posture. The objective of this study is finding how the anthropometric of the participant effect the strength of force with different body posture and designing a new design of trolley. To achieve the objective of this study, a total of 47 participants from UTeM student has invited and involved in this study for collecting the anthropometric dimension and the pushing and pulling force. The result of this study, the strength of pulling force is stronger than the pushing force. Besides that, the posture to perform pushing and pulling activity also effect the result of the force strength, the stronger force is pulling in elbow height with truss legs position. With the result obtained, a new design of trolley handle is designed.

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