QY insulated overhead crane belongs to specialized lifting machinery developed for unique industrial sites with strict electrical isolation demands. It serves as core handling equipment for electrolytic aluminum, calcium carbide and similar production workflows, with the core function of blocking electric current transmission via the crane’s metal frame to safeguard the whole production line and supporting equipment.
The complete machine assembly includes rigid overhead framework, crane long-travel assembly, hoisting unit, electrical control components and dedicated insulation assemblies. To cut off electric conduction paths, insulating blocks are embedded inside the overhead beam, and isolating layers are sandwiched between all interconnected metal fittings, stopping current from flowing through the crane body. The entire hoisting mechanism also undergoes full insulation treatment to eliminate safety risks while hoisting live charged workpieces.
Weihua adopts premium high-performance insulating raw materials and mature processing techniques. High-durability insulation parts including ceramic pieces and fiberglass reinforced plastic components are widely adopted. We also install insulating gaskets at all metal contact interfaces to maintain stable isolation performance between every mechanical component.
Wide Application Fields
Non-ferrous Metal Smelting: Perfectly matches production procedures for aluminum, magnesium, lead, zinc and other non-ferrous metal electrolysis and smelting workshops.
Electronics Sector: Applicable to semiconductor production plants, electronic component manufacturing workshops and other precision electronic processing sites.
Power Industry: Realizes safe transportation and installation of large transformers and heavy electrical equipment inside power stations and substations with pervasive high-voltage surroundings.
Chemical Industry: Ideal for electrolysis production workshops and chemical raw material storage zones.
Other Industrial Sectors: Fits all working areas with hidden electric leakage risks, including targeted mechanical processing workshops and assembly line material transfer stations.
Custom QY Insulated Overhead Crane Solutions
Weihua Crane delivers fully personalized QY insulated overhead crane solutions for power stations, electrolytic aluminum plants, chemical factories and metallurgical production lines. Featuring strong load capacity and precise positioning performance, these custom cranes deliver steady anti-high-voltage insulated lifting for special charged workpiece transportation.
All core technical indicators including lifting capacity, working span, lifting height and track width can be adjusted freely to match diverse factory layouts and strict insulated lifting standards, supporting stable, efficient and risk-free long-term operation.
Optional Configurations
Full-electric and hybrid trolley driving modes
Intelligent automatic operating system and wireless remote control device
Anti-sway and high-precision positioning unit for accurate industrial cargo handling
Energy-efficient drive assemblies equipped with regenerative braking function
Dedicated structural customization to adapt unique factory runway layouts
Our professional engineering team guarantees outstanding working efficiency, comprehensive electrical safety protection and extended service life, supplying cutting-edge insulated lifting solutions for modern power, chemical, metallurgy and electrolytic aluminum production industries.

| Name | QY Type Insulation Bridge Crane | |
| Lifting capacity | 5、10、16、16/3.2、20/5、32/5、50/10t or customized | |
| Span | 7.5-35m | |
| Lifting height | 10-18m | |
| Working duty | ISO-A5/A6/A7/A8 | |
| Speed | Hoisting | 6-16m/min |
| Trolley traveling | 5~45m/min | |
| Crane traveling | 75-120m/min | |
| Power supply | 380V 50HZ 3PHASE or customized | |
| Working temperature | -25℃-40℃ | |
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