Metallurgical Overhead Crane
The metallurgical overhead crane (hereinafter the crane) is dedicated lifting equipment for metal smelting environments. It has a single lifting point with a forged hook carrying a gantry-type spreader for handling liquid molten metal, and is fitted with safety brakes and other protective devices; critical areas are protected against high temperature — for example heat insulation under the main girder, steel-core wire ropes, and high-temperature cables for the trolley festoon routed inside the walkway. The crane provides vertical lifting plus longitudinal and transverse travel and can carry materials and pour molten metal intermittently and repeatedly during smelting. Duty classes A6–A8.
Type test specification: YZD
Type test product name: Metallurgical Overhead Crane
Advantages & features
- 01
The main girder is a box girder with centre rail, with a heat insulation layer underneath.
- 02
Two identical travel mechanisms, each comprising one motor, one reducer and one brake.
- 03
All mechanism motors are crane and metallurgical duty motors with class H insulation; both main and auxiliary hoisting spreaders use forged hooks; the crane is fitted with a safety monitoring and management system.
- 04
Drum-shaped gear couplings tolerate larger angular misalignment than straight-tooth couplings, improve tooth contact, raise torque capacity and extend service life.
- 05
Class H insulated motors and reducers with variable-frequency control (long travel, cross travel, hoisting) for smooth, reliable operation.
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