A general inspection of vibration diagnosis was carried out on the axlebox bearings of Taifan locomotives, and it was determined that the bearings had a faulty falling wheel pair. The decomposition inspection found that each bearing had problems such as pitting, peeling, and strain. Some of the bearings had serious faults, and others were found Other serious faults in the running gear, such as too small gap between the bearing bushes of the locomotive, the wear of the dust ring on the axle box, and the poor meshing of gears, have prevented many machine breakage accidents.
The top wheel detection of traction motor bearings and axle box bearings of van-type locomotives and the ground diagnosis of spare traction motor bearings have been carried out, and the scope of minor repairs and auxiliary repairs have been carried out, and the main generator bearings and gearboxes with fault forecasts have also been tested. Bearings were tested and diagnosed, and many bearing quality problems were found, which ensured the safe operation of the locomotive and improved the quality of intermediate repair of the locomotive. Conclusion Locomotive bearing fault diagnosis technology is a new technology with strong practicability. After years of promotion, it has been widely used in locomotive systems and achieved good results, which proves its value and significance.
From the successful experience of many locomotive depots, it can be seen that in addition to technical personnel and operators mastering the basic principles of diagnostic technology and accumulating experience, it is also necessary to pay full attention to the management of diagnostic work. The key to the successful application of this new technology. It is recommended to actively and deeply carry out the locomotive bearing diagnosis work, rationally organize and allocate personnel, incorporate the locomotive bearing diagnosis work into the locomotive repair schedule, formulate corresponding maintenance procedures, and gradually rationalize the locomotive maintenance while ensuring safety.
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