基于耦合动力学的拖拉机传动装置性能提升

Performance Improvement of the Tractor Gearing Device Based on Coupling Dynamics

为进一步提升我国农用拖拉机的综合作业效率,选定其传动装置展开性能优化分析。以耦合动力学理论为改善原则,结合拖拉机传动装置的工作机理与效率传递特点,建立耦合动力学数学模型,并通过传动结构分析与性能提升方案设计,进行整机作业试验。试验结果表明:基于耦合动力学的拖拉机传动装置性能优化效果明显,传动系统的传动效率与动力输出效率分别相对提高了5.09%和7.40%;此思路将传动系统的机械元件与电控模块的内部力学关系进行耦合处理,改善了整机的系统稳定性与振动舒适度,综合作业效率相对提升了6.90%,是耦合思维在拖拉机转型升级的创新应用,具有重要的借鉴意义。

In order to further improve the comprehensive operation efficiency of agricultural tractors in China,its transmission device was selected to carry out performance optimization analysis and research.Taking the coupling dynamics theory as the improvement principle,combined with the working mechanism and efficiency transmission characteristics of the tractor transmission,the coupling dynamics mathematical model was established.Through the transmission structure analysis and performance improvement scheme design,the whole machine operation test was carried out.It showed that the performance optimization effect of the tractor transmission based on the coupling dynamics was obvious,in which the transmission efficiency and power output efficiency of the transmission system were increased by 5.09%and 7.40%respectively,and this idea coupled the mechanical components of the transmission system with the internal mechanical relationship of the electronic control module,which improved the system stability and vibration comfort of the whole machine,and the comprehensive operation efficiency of the whole machine was relatively increased by 6.90%.It would be an innovative application of coupling thinking in the transformation and upgrading of tractors,and would have important reference significance for the development and optimization of similar agricultural machinery and equipment.