Lifting hook
Container spreader
The YZ casting bridge crane features a double-girder, single-crab design and is primarily used in steelmaking and casting workshops for transporting ladles containing molten steel. It consists of a bridge frame, crab, connecting traverse, trolley traveling mechanism, and electrical system.
The main hook utilizes a constant-spacing connecting traverse to handle the steel ladle, while the auxiliary hook assists in pouring molten steel and slag, as well as performing auxiliary lifting tasks.
Key structural and technical features include:
The trolley traveling mechanism and main electrical equipment are housed inside the girder.
The girder's electrical panel room is insulated with rock wool and equipped with an air cooler.
A thermal baffle is installed along the bottom of the girder to reduce heat radiation from molten steel to the metal structure.
The trolley traveling mechanism employs a four-corner drive system.
The crane includes a dedicated electronic scale with display units in both the cab and on the bridge.
The main hoisting mechanism is fitted with an overspeed switch.
Design Standard:
Steel structure: Q235B/Q345B carbon structural steel, manufactured with seamless one-time forming technology for enhanced strength.
Lifting mechanism: Includes reducer, drum, brake, and motors with F-class protection.
Hook: Equipped with ZPMC brand spreader.
Wheels: Vacuum-cast with a compact structure.
Safety System:
Weight overload protection device
Lifting limit switch
Crane traveling limit switch
Trolley traveling limit switch
Under-voltage protection function
Emergency stop system
The Double Girder Heavy Duty Ladle Crane is an indispensable workhorse in heavy industrial production, particularly within the metallurgical sector. Its primary application is in steelmaking plants and foundries, where it is engineered to perform critical material handling tasks under extreme conditions.
Key Operational Scenarios Include:
1.Molten Metal Transport in Steel Mills: It is predominantly used in the steelmaking workshop to safely transfer ladles containing molten steel between various processing stations, such as from the furnace to the ladle furnace (LF) or vacuum degasser (VD), and finally to the continuous casting machine.
2.Casting and Pouring Operations: In both steel plants and large foundries, this crane is essential for teeming (pouring) operations. It precisely positions the ladle over ingot molds or casting lines to pour molten metal, with its robust design ensuring stability and control during this critical phase.
3.Ladle Handling and Maintenance: The crane facilitates the movement of empty or pre-heated ladles to preparation stations and transfers them to maintenance areas for slag removal, relining, and repairs, ensuring continuous workflow.
4.Severe-Duty Environments: Specifically designed for high-temperature, dusty, and demanding environments, it reliably operates in areas with significant heat radiation from molten metal and airborne particulates, where standard cranes would fail.
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