YZ Steel Mill BOF Furnace Four Girder Heavy Duty Molten Steel Handling Casting Overhead Crane 200 Ton

Overview

YZ is the general model name for ladle crane whose capacity is more than 74ton and need strong four beams design. The maximum capacity can be up to 450ton. We take care of every details to guarantee the excellent performance.

Molten Steel Handling Casting Overhead Crane is four-beam four-track type ladle cranes, the main and end beam connection using high-strength bolts and nuts; mainly consisting of bridge, the trolley, long travelling mechanism, cabin equipment, lubrication systems, electrical control systems and other components.

Features

1.Lifting mechanism: consisting of two motors, two floating shafts, two reducers, four electro-hydraulic brake units, wore rope drum, wire rope, hook assembly and fixed pulley assembly.

A. lifting motors need to consider not only heat and overload requirements but also the special working condition of casting and metallurgy. The total power shall reach 1.54 times of static power, thus, when one motor is out of order, another one can workshop in a short time for emergency to finish one working cycle.

B. Lifting reducers utilize special hardened teeth surface type, which adopt welding shell. The performance is better than common use crane middle hard teeth surface reducer. It is designed and manufactured exclusively for metallurgy casting ladle handling crane.

C. The connection between reducer and drum is through drum coupling. Each lifting mechanism uses two sets of independent winded wire rope to ensure ladle can land on the ground steady even one rope or two ropes on diagonal line break. The rope structure adapts left and right cross winding, line contact type with high quality steel core, safety factory strictly comply with China Crane Design Regulations.

D. Sensor is located under fixing pulley of main lifting mechanism. Operator control cabin is equipped with alarm device for overload warning. It will give an alarm when load reach to 90% of crane rated capacity; cut off the power when 105% load.

E. Auxiliary trolley lifting mechanism: consisting of two motors, two floating shafts, two reducers, four electro-hydraulic brake units, wore rope drum, wire rope, hook assembly and fixed pulley assembly.

2.Crane beam feature:the pulleys on crane beam are covered by fully enclosed protective housing. Insulated layer and device are added under the beam above the ladle to suit the heat condition. Ladle hook use laminated type, cut and formed by CNC, avoiding sharp corner and small ground corner with stress concentration. It has a elegant and strong appearance. The steel element of hook is 16Mn

Specification

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