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Análisis de la estabilidad del arado "FDN" de tracción animal

Authors: Armando Eloy García de la Figal Costales; Fidel Diego Nava;

Análisis de la estabilidad del arado "FDN" de tracción animal

Abstract

Para el análisis por los métodos de la estática de un arado de tracción animal, modelo FDN-fabricado en Oaxaca, México, se emplea un sistema de fuerzas en el plano longitudinal-vertical de movimiento, aplicado en puntos específicos del órgano de trabajo del mismo, a 1/3 y 1/4 de su profundidad de trabajo, cuyos valores varían de 440 a 1 200 N y de 20 a 260 N para la fuerza horizontal Rx y la vertical Rz, respectivamente y se conocen sus dimensiones, peso, centro de gravedad y punto de aplicación del tiro, el cual está inclinado ß de 200 y 180 respecto a la horizontal. Los resultados demuestran que para las condiciones antes señaladas, dicho arado de tracción animal puede estar en equilibrio estático -como primer principio de la estabilidad de los sistemas móviles planteado por Lyapunov- si se regulan o verticalmente el punto donde se acopla el arado al pértigo o timón, o la longitud del brazo del órgano de trabajo respecto al bastidor del arado, o ambos. Los desplazamientos verticales necesarios calculados varían en: desde 49,39 hasta 163,33 mm, para cuando ß=180 y de 11,16 a 128,24 mm para ß=200. La no realización de lo anterior, implicaría que el bastidor del arado giraría un ángulo ? de 4,760 a favor de las manecillas del reloj, hasta-1,020 en contra, para ß=180 y de 2,760 a favor, hasta -1,50 contrario a las manecillas del reloj, para ß=200.

Keywords

Estabilidad, S, sistema de fuerzas, arado, Agrociencias, Agriculture, Environmental technology. Sanitary engineering, tiro animal, TD1-1066

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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