Cab design for a sugar cane harvesting machine based on ergonomics principles/Projeto de cabine de unidade mecanica de auxilio a colheita da cana-de-acucar com base na ergonomia
Sugar cane harvesting mechanization seems to be the solution for the problems related to the environment impact of sugar cane burning and to facilitate manual harvesting, which also is a extremely hard task. By the other way, full harvest mechanization would lead to a massive unemployment. To minimi...
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Veröffentlicht in: | Ciência rural 2013-05, Vol.43 (5), p.823 |
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Format: | Artikel |
Sprache: | spa |
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Zusammenfassung: | Sugar cane harvesting mechanization seems to be the solution for the problems related to the environment impact of sugar cane burning and to facilitate manual harvesting, which also is a extremely hard task. By the other way, full harvest mechanization would lead to a massive unemployment. To minimize environment impact and keep some of the harvesting jobs, Unicamp andAgricefare designing and building a harvesting machine that represents an alternative concept due to it partial harvesting mechanization. The main objective of this research is the design of the cab for this machine and the positioning of its controls and panels, based on the anthropometric characteristics of the brazilian operators. It was used a design methodology with ergonomic emphasis. The alternatives concepts generated by the morphologic boards allowed the dimensioning of the cab and the positioning of panel and controls in order to safely hold the operator Through the simulation of the operator visual field it was concluded that a movable cab in relation to the machine would be a feasible solution in terms of comfort and drivability. Key words: harvester, sugar cane harvest, ergonomics. A mecanizacao da colheita da cana-de-acucar parece ser o caminho para solucao dos problemas decorrentes dos impactos ambientais das queimadas e do trabalho extremamente fatigante na colheita manual. Por outro lado, a mecanizacao total da colheita levaria milhares de trabalhadores ao desemprego. Para minimizar os impactos ambientais e manter parte desses empregos, a Agricef e a Unicamp estao desenvolvendo o projeto da unidade mecanica de auxilio a colheita da cana-deacucar (UNIMAC CANA), baseado em um conceito alternativo representado pela mecanizacao parcial da colheita, que esta em fase de prototipagem. Particularmente, esta pesquisa teve como objetivo o dimensionamento da cabine desse dispositivo e o posicionamento de seus comandos e paineis, com base nas caracteristicas antropometricas do operador brasileiro. Utilizouse a metodologia projetual orientada pela preocupacao com aspectos ergonomicos. As alternativas de projeto geradas atraves de quadros morfologicos culminaram no dimensionamento da cabine da maquina com sua disposicao de comandos, painel e assento, de modo a acomodar o operador de forma segura e confortavel. Atraves de simulacao do campo visual do operador, concluiu-se que a cabine, adotando posicao movel em relacao a maquina, seria uma opcao viavel de projeto nos atributos conforto e di |
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ISSN: | 0103-8478 |