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我公司一九八○年购进一台 QY—5型汽车起重机,上部为湖北建筑机械厂制造,下部为 CA—10C 汽车底盘。该车在使用过程中大梁吊臂支架处多次开裂。公司其它同类吊车也有这种现象。虽经多次焊补加固
My company bought a QY-5 car crane in 1980, the upper part of the Hubei Construction Machinery Factory manufacturing, the lower part of the CA-10C car chassis. The car used in the process of crane boom bracket cracked many times. Other similar crane companies have this phenomenon. Despite repeated welding reinforcement