Structural design of a mechanical arm for harvest of cactus pear type Alfajayucan

Cactus prickly pear (Tuna) harvest is a complicated operation that continues in a rudimentary way, in the majority of cases manual and with the help of tools such as knives and rods which sometimes affect the fruit. In this research is analyzing the possibility of building a tool that meets the characteristics sufficient for a good harvest, one of the factors to consider is access due to the restrictive features of the cactus prickly pear (height and distribution of the joints), forcing the use of tools to achieve it (with sometimes unfavorable results). This is how arises the need to create a device that adapts to the needs and solve the problem of harvest of tuna. Field studies which were fundamental to the design, such studies were obtained measurements and tests of strength, which were carried out with instruments properly designed for the type of fruit. Generated a picker mechanism of cactus prickly pear (tunas), which according to your design could achieve a high level of harvest compared to which today has, thanks to the configuration of the mechanism and the way they get their movements lead to a suitable environment for personnel performing this activity. © 2016 Universidad Nacional Autónoma de México, Centro de Ciencias Aplicadas y Desarrollo Tecnológico.

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