Abstract
Ladle cranes are metallurgical equipment used to carry and pour molten metal. Their security and operational reliability are important. This paper adopts mechanical analysis to obtain the method for formulating allowable casting hook loading when the ladle crane is pouring molten steel. Taking advantage of ladle’s inner cavity size and molten steel height, the corresponding relationship between tilting moment and tilting angle is obtained. Then, according to tilting moment, the relationship between casting hook load and tilting angle is found, and then used to obtain the precise algorithm for the casting hook load on the ladle crane. The research shows that when the ladle is pouring molten steel, the tilting moment and the casting hook load on ladle crane show a trend of rising first and then decreasing; when molten steel had been poured, dumping the steel slag with different tilting mechanisms results in different casting hook loads on the ladle crane.
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