Heavy Duty Double Girder Bridge Crane

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Model NO.: QD
Moving Type: Wheel
Installation: Overall Rapid Disassembly
Certification: ISO9001:2000, CE, BV, GOST, SGS
Condition: New
Weight Overload Protection Device: Includes
Voltage Lower Protection Function: Includes
GB/T 24001-2004 (Idt ISO14001:2004): Pass
Sandblast: Available
GB/T 19001-2000 (Idt ISO 9001:2000): Pass
Limited Switch: Includes
Painting Color: Customizable
Current Overload Protection System: Includes
GB/T 28001-2001, OHSAS18001:1999: Pass
Electric Hoist Double Limit: Includes
Trademark: KUANGYUAN
Transport Package: Packed in woven plastic cloth and wooden crates
Specification: Complies with China National Standards
Origin: Xinxiang, Henan Province
HS Code: 84261120
Heavy Duty Double Girder Bridge Crane
**Key Mechanical Features:**

1. Double-welded box girder design, meeting DIN/FEM standards for deflection.
2. Constructed using Q235B or Q345B steel, comparable to international grades Fe360 and Fe520.
3. Full-length CNC cutting ensures high precision in web plate manufacturing.
4. High-quality automatic welding combined with NDT inspection for structural integrity.
5. Shot-blasting SA2.5 treatment after welding for stress relief and surface preparation.
6. Epoxy zinc-rich coating applied in two layers, with a thickness of 140μm.
7. 10.9-grade high-tension bolts used for connecting girders and legs, ensuring long-term safety.
8. Available with double-flanged or flat wheels, anti-friction bearings, cellular buffers, and derailment protection.
9. A full-length service platform is included along the bridge, equipped with handrails and toe strips for safety.

**Electrical and Control Features:**

1. Conductor power supply system for reliable operation.
2. Phase control guard automatically disconnects the main contactor in case of phase failure.
3. All crane movements are independent and can be operated simultaneously.
4. Contactors designed for heavy-duty crane applications, resistant to severe vibration.
5. Control panels are corrosion-resistant with an IP55 rating for durability.
6. Heavy-duty plug head for easy connection and disconnection.
7. Components are arranged for easy maintenance and safe access.
8. Multi-wire insulated cables designed specifically for crane use.
9. Cables are clearly marked with numbers, colors, or tags for easy identification.
10. Flexible PVC-insulated flat cables for festoons, rated at 450/750V for crane and hoist applications.
11. Festoon cables are suspended on cable saddles and run through galvanized C-track systems.

**Safety and Protection Features:**

1. Rain covers for hoists, drive units, and electrical cabinets for outdoor use.
2. Warning indicators including flashing lights and audible alarms.
3. Wireless infrared detectors for anti-collision protection.
4. Multiple safety limit switches for enhanced operational safety.

Heavy Duty Double Girder Bridge Crane
Heavy Duty Double Girder Bridge Crane
Heavy Duty Double Girder Bridge Crane
Capacity T 10 16/3 20/5 32/5 50/10
Operational Method   Cabin Control
Span m 10.5–31.5
Speed Main Hook Lifting A5 m/min 8.5 7.9 7.2 7.5 5.9
A6 13.3 13 12.3 9.5 7.8
Auxiliary Hook Lifting   16.7 19.5 19.5 13.2
Cross Traveling 43.8 44.6 44.6 42.4 38.5
Long Traveling A5   90.7/91.9/84.7 84.7/87.6 84.7/87.6 87/74.2 74.6/85.9
A6 115.6/116.8/112.5 112.5/101.4 112.5/101.4 101.4/101.8 86.8/87.3
Motor Lifting Main A5 Type / kW YZR180L-6/17 YZR225M-8/26 YZR225M-8/26 YZR280S-10/42 YZR280M-10/55
A6   YZR250M1-6/37 YZR225M2-6/45 YZR280M-8/55 YZR315S-8/75
Auxiliary YZR200L-6/22 YZR180L-8/13 YZR180L-6/17 YZR180L-6/17 YZR200L-6/26
Cross Traveling YZR132, 1-6/2×6.3 YZR132M2-6/4 YZR132M2-6/4 YZR160M-6/6.3 YZR160M2-6/8.5
Long Traveling A5 YZR132M2-6/2×4 YZR160M1-6/2×6.3 YZR160M1-6/2×6.3 YZR160M2-6/2×8.5 YZR160L-6/13
A6 YZR160M1-6/2×5.5 YZR160M2-6/2×7.5 YZR160M2-6/2×7.5 YZR160L-6/2×11 YZR180L-8/13
Max Lifting Height Main Hook m 16 16 12 16 12
Auxiliary Hook   18 14 18 16
Working Duty   A5, A6
Power Supply   380V 60Hz 3-phase AC (Customizable)
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