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我处一台日本小松PC200挖掘机在施工中,驾驶员不慎将铲斗液压缸的活塞杆碰到裸露的带电电线上,给活塞杆造成了长22cm、宽4mm、深0.2mm的电击伤(手摸明显感觉凸凹不平)。由于正在野外施工,工程任务又重,当时只对活塞杆用细砂条进行了简单的打磨。使用两天后,液压缸出现了
I was in Japan Komatsu PC200 excavator during construction, the driver inadvertently hit the hydraulic cylinder piston rod exposed bare live wire, resulting in piston rod 22cm long, wide 4mm, 0.2mm deep electric shock (Hand touch clearly felt bumpy). Due to the construction in the field, the engineering task was heavy. At that time, only the piston rod was polished with fine sand. After two days of use, the hydraulic cylinder appeared