Though many mechanical appliances can be select, the problem of material warehouse's blocking has massive influence on production, and the effect is not good enough because of their too poor automation degree to attain real-time handling and continuous monitoring. 物料仓堵塞问题对生产影响极大,虽有多种机械装置可供选择,但由于其自动化程度差,因而不能做到实时处理和连续监测,效果不够理想。