Model: QD / LH 通用双梁桥式起重机

Double Girder Overhead Crane

Heavy-duty overhead bridge crane designed for metal fabrication, foundry operations, steel mills, and heavy assembly workshops.

Service Overview & Scope

The Zaozhuang Yangu New Materials Technology Co.,LTD. Double Girder Overhead Crane (Model QD/LH) is engineered for high lifting capacities, wide span coverage, and severe duty cycles (A5 - A8). Designed in compliance with FEM and ISO standards, it features box-type welded girders, forged steel wheels, variable frequency motor drives, and centralized PLC diagnostics for smooth, precise industrial material handling.

Technical Specifications

Capacity	5t - 500t
Span	7.5m - 35.5m
Lifting Height	6m - 30m
Working Duty	A5 - A8 (Heavy/Extreme)
Power Supply	380V / 50Hz / 3Phase (Customizable)
Lifting Speed	0.5 - 12 m/min (VFD Inverter)
Control Mode	Pendant Control / Wireless Remote / Cabin
Ambient Temperature	-25°C to +40°C
Main Girder Structure	Q355B Steel Box Type Welded Girders with 1/1000 Camber
Trolley Hoisting Mechanism	Heavy Duty Winch / Open Winch with Dual Disc Brakes
Travelling Speed	20 - 40 m/min Stepless Inverter Control
Safety Protections	Overload Limiter, Laser Anti-Collision, Rail Clamps, Emergency Stop
Operating Methods	Air-Conditioned Cabin / Wireless Remote / Pendant Pushbutton

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