Single-girder bridge crane QDY

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Ladle overhead crane is designed for transporting, pouring and charging hot metal in the process of smelting liquid metal, etc. According to the crane structure, the ladle overhead cranes can be classified into Double Girder Double Rail Ladle Cranes, Four Girder Four Rail Ladle Cranes, and Four Girder Six Rails Ladle Cranes. The front two types are used for lifting middle and large scale ladles, and the latter one is used for extremely large scale ladles. DQCRANES is capable of offering customized ladle overhead crane without lifting capacity limitation. √ Widely used in the smelting industry, such as steel mill. √ Span Length: 7.5~31.5 m. √ Lifting Capacity: 5~74 ton. FEATURES Due to a high risk level, ladle cranes are designed with special safety features to ensure the efficiency and safety of crane system. The features of ladle cranes are as follow: Double sets of independent action brakes is installed to the lifting mechanism. Heavy hammer and rotary lifting position limiters is installed and down position limiter will be installed when crane hoisting height is more than 20 m. Over speed protection equipment is stalled. Fault protection devices, such as, positive and negative contactor is installed to prevent dangerous in case of electricity power off. Insulating layer is installed at the bottom of main girders to prevent molten steel thermal radiation to ensure the long serving life of main girders. Special designed metallurgy motor is used, with insulation class H level, and motor protection grade IP54.