数字农科院2.0

Design and study on the leveling mechanism of the tractor body in hilly and mountainous areas

文献类型： 外文期刊

作者： Lu, X. R.;Liu, Z.;Lu, X. L.;Wang, X.

作者机构：

关键词： Leveling;Support mode;Design;Parametric analysis;Experimental

期刊名称： JOURNAL OF ENGINEERING DESIGN AND TECHNOLOGY

ISSN： 1726-0531

年卷期： 2022 年

页码：

收录情况： EI（2022版）

摘要： Purpose This study aims to improve the automatic leveling performance of tractor body in hilly and mountainous areas by designing a kind of controllable and adaptive leveling mechanism of tractor body. Design/methodology/approach The mechanism is mainly composed of longitudinal slope leveling mechanism, transverse slope leveling mechanism and control components. According to the tractor body attitude in operation, the longitudinal slope leveling and lateral slope leveling can coordinate to realize the adaptive adjustment of tractor body. For this mechanism, the support mode of the linear three-point support and plane positioning combining is designed, and the leveling method of electromechanical combination is designed. The servo motor controls the longitudinal slope leveling mechanism through the reducer with self-locking function to realize the longitudinal leveling, and the servo driver controls the expansion and contraction of electric cylinder to realize lateral leveling. The designed mode can realize the relative independence and coordination of leveling in different directions. Findings The performance test results of the leveling mechanism are shown: the mechanism can work normally; the leveling accuracy can reach within 1 degrees; and the leveling accuracy and stability can meet the design requirements. The leveling accuracy and stability of longitudinal slope are higher than that of lateral slope, and the coordination leveling effect of longitudinal slope and lateral slope is better than that of the independent leveling. Originality/value This study provides a technical reference for the design of leveling device of agricultural machines and tools in hilly and mountainous areas.

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