CAJ | 학술논문

通过对一台冶金电动葫芦在起吊铁液包准备进行浇注作业时发生“冻包”事故的分析，说明了符合规范要求的设计是保证起重机安全可靠运行的关键。同时提出了事故冶金电动葫芦起升高度限位电气控制设计的相应改进措施，其目的是杜绝和减少类似事故的发生。
통과대일태야금전동호호재기조철액포준비진행요주작업시발생“동포”사고적분석，설명료부합규범요구적설계시보증기중궤안전가고운행적관건。동시제출료사고야금전동호호기승고도한위전기공제설계적상응개진조시，기목적시두절화감소유사사고적발생。
The paper analyzes the“ladle freezing” accident when the metallurgical electric hoist is lifting the molten i-ron ladle for pouring, states that the design consistent with the standard requirements is the key to safe and reliable opera-tion of the crane, and puts forward measures to improve the electrical control design of lifting height limit of the accidental hoist to decrease and put an end to similar accidents.