新疆棉田机收膜杂粉碎及运移机理研究

通过测定新疆棉田机收膜杂物料特性，构建棉田机收膜杂等效力学模型及摩擦特性模型，并在此基础上对棉田机收膜杂粉碎特性及过程进行分析，研究碟形齿刀粉碎工作过程中的挤压与剪切阶段的运动学特性及动力学特性变化特征，重点探究粉碎过程中各粉碎阶段棉田机收膜杂的形态变化及运移特性规律；与此同时创制以棉田机收膜杂粉碎工作响应参数信息采集及动态行为检测系统为核心的试验平台，通过试验研究获取棉田机收膜杂在粉碎过程中的形态变化特征及运动轨迹，并对棉田机收膜杂粉碎过程中粉碎机构工作响应参数变化特征进行提取，揭示粉碎过程中棉田机收膜杂的形态变化及运移特性规律，为新疆棉田机收膜杂粉碎装置的研制提供理论基础及技术参考。

By measuring the characteristics of Xinjiang cotton field machine film collection miscellaneous materials, the equivalent mechanical model and friction characteristic model of cotton field machine film collection miscellaneous material are constructed, and on this basis, the characteristics and process of cotton field machine film collection miscellaneous grinding are analyzed, and the kinematic and dynamic characteristics of extrusion and shear stage in the process of disc tooth cutter grinding are studied. The morphological changes and migration characteristics of film collection in cotton field machines in each crushing stage were studied in detail. At the same time, an experimental platform based on the response parameter information collection and dynamic behavior detection system of cotton field machine film collecting and crushing was created. Through experimental study, the morphological change characteristics and movement track of cotton field machine film collection miscellaneous in the process of crushing are obtained, and the variation characteristics of working response parameters of crushing mechanism in the process of cotton field machine film collection and grinding are extracted, and the morphological change and migration characteristics of cotton field machine film collection miscellaneous in the process of grinding are revealed, which provides theoretical basis and technical reference for the development of Xinjiang cotton field machine film collection and miscellaneous crushing device.