Development of an automatically deployable roll over protective structure for agricultural tractors based on hydraulic power
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AuthorOjados González, Dolores; Martín Górriz, Bernardo; Ibarra Berrocal, Isidro Jesús; Miguel Hernández, Beatriz; Caro García, Francisco; [et al.]
Knowledge AreaExpresión Gráfica en Ingeniería
SponsorsThe Instituto de Seguridad y Salud Laboral de la Región de Murcia for financing the project of ‘‘new safety devices in machinery”.
Bibliographic CitationD. Ojados Gonzalez, B. Martin-Gorriz, I. Ibarra Berrocal, B. Miguel Hernandez, F. Caro Garcia, and P. Morales Sanchez. 2016. Development of an automatically deployable roll over protective structure for agricultural tractors based on hydraulic power. Comput. Electron. Agric. 124, C (June 2016), 46–54. DOI:https://doi.org/10.1016/j.compag.2016.03.027
An inadequate use of the deployable Roll Over Protective Structure (ROPS) in agricultural tractors contributes to fatalities in rollover events. To help to resolve this problem, an automatically deployable ROPS was designed, constructed and tested. The prototype, called HydraROPS, established two assistance levels for the elevation of the foldable ROPS. In the first level, the driver decides to change the ROPS’ position and this change is made using the manual activation on the board. In the second level, an automatic change to the operative position occurs in situations of impending rollover, without the intervention of the driver. In this level, it automatically sends a phone message with the GPS location to contact emergency response personnel. The tractor’s hydraulic power was used to move the protective structure. In order to increase the deployment speed of ROPS, a pressure accumulator was included in the hydraulic circuit. The deployment time of the ROPS without the pressure ...
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