Design and simulation optimization of key device of water jet grassland root cutting machine

IF 2.1 4区工程技术

Advances in Mechanical Engineering Pub Date : 2024-08-10 DOI:10.1177/16878132241265860

Jianguo Qin, Bo Yang, Haitang Cen, Haixia Gong, Hongyan Yang, Yunhe Zou, Sijia Guo

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引用次数: 0

Abstract

In view of the current situation of gradual degradation of grassland, this paper designs a water jet grassland root cutting machine based on root cutting improvement technology. The machine achieves the purpose of restoring grassland by the impact of high-pressure fluid on soil. In order to improve the working efficiency, an adaptive position adjustment device (following is referred to as APA device) is designed, which can ensure the adaptability of the fluidic sprinkler to the ground. In this regard, the overall structure and working principle of the water jet grassland root cutting machine are first analyzed. Furthermore, the dynamic model of the APA device is established based on the Lagrange equation, and the motion process of the device is simulated by MATLAB/SimMechanics. The results show that the APA device has good working efficiency in the smooth ground, and there is a significant vibration response in the protuberant ground. In order to reduce the vibration interference, the structure of the APA device is optimized based on the simulation results. The optimized simulation results show that the vibration response generated during the operation of the APA device is reduced, the vibration interference is reduced, and the optimization effect is significant.

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水射流草原切根机关键设备的设计与仿真优化

针对草原逐渐退化的现状，本文在切根改良技术的基础上设计了一种水射流草原切根机。该机器通过高压流体对土壤的冲击达到恢复草原的目的。为提高工作效率，设计了自适应位置调节装置（以下简称 APA 装置），可确保流体喷灌机对地面的适应性。为此，首先分析了喷水式草原切根机的整体结构和工作原理。此外，基于拉格朗日方程建立了 APA 设备的动态模型，并利用 MATLAB/SimMechanics 对设备的运动过程进行了仿真。结果表明，APA 设备在光滑地面上具有良好的工作效率，而在突起地面上则存在明显的振动响应。为了减少振动干扰，根据仿真结果对 APA 装置的结构进行了优化。优化后的仿真结果表明，APA 装置运行时产生的振动响应减小，振动干扰降低，优化效果显著。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in Mechanical Engineering Engineering-Mechanical Engineering

自引率

4.80%

发文量

353

期刊介绍： Advances in Mechanical Engineering (AIME) is a JCR Ranked, peer-reviewed, open access journal which publishes a wide range of original research and review articles. The journal Editorial Board welcomes manuscripts in both fundamental and applied research areas, and encourages submissions which contribute novel and innovative insights to the field of mechanical engineering

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