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304 North Cardinal St.
Dorchester Center, MA 02124
QD Double-Girder Bridge Crane
Our QD Double-Girder Bridge Crane is a factory-direct solution designed for reliable performance in heavy lifting, overhead crane operations, and large-scale industrial projects. Engineered with high-strength steel and strict quality control, it ensures stable operation, long service life, and high load capacity in demanding environments. Complete mechanical drawings and technical documentation are available to support installation, commissioning, and project planning. Adaptable to diverse lifting and material handling scenarios, it effectively solves challenges such as precise load positioning, workflow efficiency, and workplace safety management. Backed by guaranteed after-sales service, professional technical support, and dedicated personnel tracking production and orders from manufacturing to delivery, we ensure smooth procurement, dependable quality, and consistent project performance for global clients.
- Source factory design and customization
- High-quality multi-layer monitoring
- Worry-free after-sales service and reliable cooperation
- Expert remote online guidance
- A team of engineers with decades of experience
- Professional mechanical drawing services are available
QD Double-Girder Bridge Crane
Factory-Direct|Heavy-Duty Lifting Solution for Industrial Applications
The QD Double-Girder Bridge Crane is engineered for steel mills,manufacturing workshops,
and industrial environments requiring high-capacity lifting,long-span coverage,
and reliable material handling.As a factory-direct manufacturer,
we provide robust double-girder construction,precision hoists,
and intelligent motion control systems to ensure safe,efficient,
and durable operation for heavy loads and large-span operations.
Ideal for production lines,steel storage yards,sheet metal handling,
and automated industrial workshops,this crane offers high-capacity lifting,precise positioning,
and smooth cross and long travel,helping factories enhance productivity while maintaining safety standards.
Product Advantages
1.Robust Double-Girder Design
High-strength welded girders reduce deflection and ensure stable performance under heavy loads,supporting long-span and continuous-duty operations.
2.Heavy-Duty Lifting Capacity
Equipped with industrial-grade hoists for lifting steel plates,billets,machinery,and other heavy loads with reliability and safety.
3.Precision Motion&Control
VFD and PLC systems allow smooth lifting,cross-travel,and long-travel motions with anti-sway control and precise positioning.
4.Safety Features
Overload protection,limit switches,emergency stop,and anti-sway mechanisms ensure operator safety and reduce risk during material handling.
5.Factory-Direct Customization
OEM and custom options available for lifting capacity,span,lifting height,hoist type,and automation levels to meet specific industrial needs.
Technical Specifications–QD Double-Girder Bridge Crane
| Model | Rated Capacity(t) | Span(m) | Lifting Height(m) | Lifting Speed(m/min) | Cross Travel Speed(m/min) | Long Travel Speed(m/min) | Duty Class | Power Supply |
| QD-5 | 5 | 10–25 | 6–15 | 0.8/8 | 5–30 | 20–60 | A3–A5 | 380–440V/50–60Hz |
| QD-10 | 10 | 12–28 | 8–18 | 0.7/7 | 5–30 | 20–60 | A5 | 380–440V/50–60Hz |
| QD-16 | 16 | 15–30 | 10–20 | 0.6/6 | 5–25 | 20–55 | A5 | 380–440V/50–60Hz |
| QD-20 | 20 | 18–32 | 12–22 | 0.5/5 | 5–25 | 20–50 | A5 | 380–440V/50–60Hz |
| QD-Custom | Custom | Custom | Custom | Custom | Custom | Custom | Custom | Custom |
(Custom OEM configurations include hoist types,automation levels,PLC/VFD control,and custom spans.)
Applications
Steel plate&billet handling in mills
Sheet metal fabrication workshops
Production line material handling
Automated industrial workshops
Machinery and equipment lifting
Heavy material handling in manufacturing yards
What Problems Can This Crane Solve?
Lifts heavy industrial materials safely and efficiently
Provides precise positioning during handling,stacking,and transportation
Enhances safety in heavy-duty workshops and steel mills
Reduces load swing and vibration for long-span operations
Supports automation and digital material handling solutions
Why Choose Us?
Q1:Why choose the QD Double-Girder Bridge Crane?
We provide factory-direct heavy-duty cranes with robust double-girder construction,reliable hoists,and precise motion control systems.
Q2:Can it handle large spans and heavy loads?
Yes,designed for long-span operations and lifting capacities up to 50 tons,with custom OEM options.
Q3:Is intelligent control and variable-speed operation available?
Yes,VFD and PLC systems ensure smooth and precise lifting,traveling,and anti-sway control.
Q4:Do you provide customization and OEM solutions?
Absolutely.We offer custom spans,lifting heights,capacities,hoist types,and automation levels.
Q5:Can this crane improve safety and workflow efficiency?
Yes.Overload protection,anti-sway control,and emergency stops enhance safety while improving productivity.
After-Sales Service
Remote online guidance for installation,commissioning,and operation
Video-based technical support for hoist and control system setup
Factory video tours to verify quality and production standards
Continuous technical assistance for maintenance,adjustments,and component upgrades
Long-term supply of OEM spare parts and crane components
FAQ–QD Double-Girder Bridge Crane
1.What is the maximum lifting capacity?
Up to 50 tons,with custom OEM configurations available.
2.Can it operate in automated production lines?
Yes,it supports PLC and VFD-controlled automated operations.
3.Is it suitable for long-span and heavy-duty operations?
Yes,double-girder construction ensures stability and rigidity under heavy loads.
4.Do you provide OEM customization?
Yes,including span,lifting height,lifting capacity,hoist type,and automation level.
5.Which industries commonly use QD cranes?
Steel mills,sheet metal workshops,heavy machinery plants,and industrial manufacturing yards.
