TRIZ理论在烤烟布料设备故障诊断中的应用

为提高烤烟布料设备的工作效率,降低设备故障率,应用TRIZ(Teoriya Resheniya IzobretatelskikhZadatch)理论对烤烟布料设备进行故障诊断,确定布料车为系统发生故障的瓶颈设备,通过分析布料车故障原因得出矛盾矩阵,并提出了改进方案:①改进轴承安装方式;②将托辊壁厚度由2.85 mm增加至6mm,以增强托辊耐磨性;③改进控制程序增加布料车换向延时。TRIZ方案实施后,布料车平均故障停机时间由6.27 h/月减少到0.66 h/月,布料车故障率由0.81%减少到0.11%,提高了烤烟布料设备利用率。表明运用TRIZ理论可以有效解决烤烟布料设备故障诊断领域的工程技术问题。

Application of TRIZ Theory in Fault Diagnosis of Tobacco Feeding and Spreading Equipment During Redrying Process

In order to improve the efficiency and reduce the failure rate,TRIZ theory was applied in the fault diagnosis of tobacco spreading equipment in tobacco redrying process.The spreading vehicle was identified as the bottleneck equipment causing system failure.By failure analysis,a contradiction matrix was obtained and a solution plan was put forward as follows: 1) changing the bearing installation;2) increasing the wall thickness of the carrier roller from 2.85 to 6 mm to extend its working life;3) improving control procedures to prolong the delay time of spreading vehicle for direction reversing.After improvement,the monthly average downtime and failure rate of spreading vehicle reduced from 6.27 to 0.66 hours and from 0.81% to 0.11%,respectively.The results indicated that TRIZ theory could effectively solve the engineering problems in fault diagnosis of tobacco spreading equipment.