Umudike Journal of Engineering and Technology

Michael Okpara University of Agriculture, Umudike


IMPROVED DESIGN OF A PORTABLE BALCONY CRANE

Oti, O. F.
Department of Mechanical Engineering, Michael Okpara University of Agriculture, Umudike P. M. B. 7267, Umuahia



ABSTRACT

Moving heavy and large household loads such as furniture and fridges, in or out of apartments at the upper floors of multiple floor residential buildings is a tedious task, most especially where there is steep and narrow staircase that makes it impossible for one to follow the basic rules of lifting and carrying. A portable balcony crane designed to create an alternative to that long and stressful process, was modified in this work. The modified balcony crane is incorporated with a rotating arm that would enable loads to be directly lifted into or from the balcony, without moving the whole crane. The results of the performance testing of the crane confirmed that a maximum load of 150kg can be lifted safely, using ten 20-liter plastic buckets of water as counterweight. The crane, which was designed and fabricated with locally available standard materials, would help reduce manual lifting of heavy, large and unbalanced loads in and out of apartments in multi floor residential building. This would in turn reduce the exposure of residents to musculoskeletal diseases and trauma. The total cost of producing one unit of the balcony crane is Sixty-Four thousand, Eight Hundred and Fifty Naira (64,850:00) only), which is more than 62% cost reduction compared to the existing balcony crane.



Keywords: Rotary arm crane; Household loads, Counterweights; Multi-floor buildings; Musculoskeletal diseases


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Published
Tuesday, June 26, 2018

Issue
Vol. 4 No. 1, JUNE 2018

Article Section
GENERAL

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