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三、支腿半伸、侧向回转导致倾翻折臂事故1．事故过程简述2004年,一台LTM1170型汽车式起重机在装卸货物时,由于支腿销子未固定且水平支腿只伸出一半,司机从正后方吊起货物,向侧向回转时,起重机侧翻,造成起重臂严重损伤。2．事故原因分析经现场勘察和测量得知:起重机所吊重物并未超过该工况下的额定起重量。但当时由于施工现场的条件限制,操作人员
Third, the legs half-stretched, lateral turn led to tilt the folding arm accident 1. Brief Description of the Accident Process In 2004, a LTM1170 truck crane during loading and unloading of goods, because the leg pin is not fixed and the horizontal legs only half, the driver lifting the goods from behind, to the lateral rotation, the crane Rollover, resulting in serious damage to the boom. 2. Analysis of the cause of the accident After investigation and survey on the spot, it is known that the crane’s hoisting weight does not exceed the rated hoisting capacity under this working condition. However, due to the construction site conditions, operators