论文部分内容阅读
权台矿西主提绞车型号为2БM3000/1511,电机功率480 kW,配淮南KWD-1型可控硅低频柜,箕斗载重3 t,满负荷日提升600勾。经阜新机电设备诊断技术中心探伤,发现轴径根部有表面横向疲劳裂纹两条,最深部位为130 mm,裂纹发展速率较快,正向静断裂区延伸,建议立即更换,否则将发生断轴事故,抵毁绞车基础或减速器。
Weigang Datang West main winch model 2БM3000 / 1511, motor power 480 kW, with Huainan KWD-1 SCR low-frequency cabinet, bucket load 3 t, lifting 600 at full load hook. Inspection by Fuxin Electromechanical Equipment Diagnostic Technology Center revealed that there are two horizontal transverse fatigue cracks at the root of the shaft, the deepest part is 130 mm. The crack growth rate is fast and the positive static fracture zone extends. It is recommended to replace immediately or the shaft breaking accident will occur , To offset the winch foundation or reducer.