农用拖拉机转向架车轴的采用:市场机遇以及通过机动性指标和模拟改善牵引力和地面压力

IF 2.4 3区 工程技术 Q3 ENGINEERING, ENVIRONMENTAL
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引用次数: 0

摘要

牵引力和地面压力是现代非公路机械的关键因素。一方面,机械必须能够在崎岖不平的地形上顺利行驶,另一方面,土壤不能受到过度破坏,尤其是在必须尽可能提高产量的农田里。在这方面,当土壤对地面压力和滑动效率非常敏感时,农用拖拉机上通常安装履带而不是轮子。遗憾的是,这大大降低了现代农用拖拉机的多用途功能,而这正是其基本特征。为了提供更高的牵引效率、更小的地面压力和更强的多用途功能,本文介绍了一种装有后转向架车桥的农用拖拉机。通过市场分析,展示了这种车辆的潜力。随后,提出了一种理想的农用拖拉机,作为设计转向架车桥应用的基准。使用定制的电子表格对其牵引性能进行了评估,同时引入了名为 "压力拉力 "的新系数来评估越野机动性。最后,在车辆动力学仿真软件上对两种不同的农用拖拉机进行了测试,以进行初步的比较分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Agricultural tractor bogie axle adoption: Market opportunities and traction and ground pressure improvements through mobility metrics and simulations

Traction and ground pressure are key aspects of modern off-highway machinery. On the one hand, the machinery must be able to move successfully on rough terrain, on the other hand, the soil cannot be excessively ruined, particularly in agriculture fields that must be as productive as possible. In this regard, when the soil is very sensitive to ground pressure and slip efficiency, tracks are often mounted on agricultural tractors rather than wheels. Regrettably, it significantly diminishes the multi-purpose functionality of modern agricultural tractors, which is an essential feature. To offer higher pulling efficiency, reduced ground pressure, and greater multi-purpose functionality, an agricultural tractor fitted with a rear bogie axle is hereby presented. A market analysis is carried out to demonstrate the potential of such a vehicle. Subsequently, an ideal agricultural tractor is proposed for benchmarking purposes and as the baseline for designing the bogie axle application. Their pulling performance is evaluated by using a custom-made spreadsheet, while a novel coefficient named Pull on Pressure is introduced to assess off-road mobility. Ultimately, the two variations of the agricultural tractors undergo testing on vehicle dynamics simulation software to conduct an initial comparative analysis.

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来源期刊
Journal of Terramechanics
Journal of Terramechanics 工程技术-工程:环境
CiteScore
5.90
自引率
8.30%
发文量
33
审稿时长
15.3 weeks
期刊介绍: The Journal of Terramechanics is primarily devoted to scientific articles concerned with research, design, and equipment utilization in the field of terramechanics. The Journal of Terramechanics is the leading international journal serving the multidisciplinary global off-road vehicle and soil working machinery industries, and related user community, governmental agencies and universities. The Journal of Terramechanics provides a forum for those involved in research, development, design, innovation, testing, application and utilization of off-road vehicles and soil working machinery, and their sub-systems and components. The Journal presents a cross-section of technical papers, reviews, comments and discussions, and serves as a medium for recording recent progress in the field.
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