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挖坑机动态力学参数与其影响因素关系的研究 ,是一项重要的基础研究 .在自行研制的挖坑机动态力学参数测试试验装置上 ,采用传感器电测方法 ,通过计算机数据采集系统 ,实现对挖坑作业过程中力学参数的动态实时记录 .通过单因素试验和多因素正交试验相结合的方法 ,模拟生产现场作业条件 (不同钻头转速、钻头进给速度 ) ,得出作业参数与钻头的动态力学参数 (扭矩和进给阻力 )间的影响因素关系 .通过数据分析得出各影响因素与钻头动态力学参数间的数学关系 ,绘出关系曲线 ,作出曲线拟合方程 ,从而找出钻头动态力学参数达到最优时各影响因素值 ,为挖坑机设计提供理论依据 .该试验手段及设备在营林与园林机械挖坑机测试研究领域是一个创新
The research on the relationship between dynamic mechanical parameters of digging machine and its influencing factors is an important basic research.In the self-developed testing device of dynamic mechanical parameters of digging machine, using the electrical measuring method of sensors, through the computer data acquisition system, Dynamic real-time record of mechanics parameters in pitting operation.Through the combination of single-factor test and multi-factor orthogonal test, the working conditions (different bit speed and bit feed speed) on the production site were simulated to get the relationship between the working parameters and bit Dynamic mechanical parameters (torque and feed resistance) between the influencing factors.Analysis of the relationship between the various factors and dynamic mechanical parameters of the drill through the data to draw the relationship curve, curve fitting equation to find the bit dynamics Mechanical parameters to achieve the optimal value of each influencing factors for the digging machine design provides a theoretical basis for the test means and equipment in the forest and garden machinery digging machine testing research is an innovation