The double girder bridge cranes with electric hoist are used for lifting 5t~50t goods, which is installed in new or existing workshops with easy operate and various functions. This crane is characterized by compact structure, light weight and high lifting height.

 

 

This bridge crane has beautiful double main girders with computer optimized design, good performance and light weight. And the span width reaches 40m. This product can be applied to workshops, metallurgy, warehouses and assembly shops etc.

 

 

Mechanism:

1. Box-type double girders shaped by wielding;

2. Q235B and Q345B carbon steel;

3. Double girders connected by high strength screws;

4. Welding seams are tested by X-ray and ultrasound;

5. Forged crane wheels;

6. Compact structure, small size and light weight trolley;

7. Lifting mechanism is open winch trolley;

8. Compact reducer motor drive, stepless control, hardened gears and safety disc brake;

9. Good operation performance, stepless speed regulating and running smoothly;

10. Main girders are treated by shot blasting sa2.5 after welding to release internal stresses;

11. Paint of high quality epoxy zinc-rich primer, and the thickness of oil film is 140μm;

 

FEM/DIN Standard

 

Electric System:

1. Power supply by stepless slide lines;

2. Lifting mechanisms and traveling mechanisms are mutually independent and could travel at the same time;

3. Control panel protection degree is IP54;

4. Reasonable components installation, convenient for check and maintenance;

5. Electric cable is suspended in cable saddle, stationary cable trolley slides on a galvanized C-type steel;

 

 

Safety Protection Devices:

Overload limiter, limit switch (lifting and traveling), interlocking protection devices, buffer, track sweep plate, shield, bus bar protection board, anti-collision device, main disconnecting switch, emergency stop system and motor overload protection.

 

Crane Delivery

 

 

 

 

Capacity 40+10 Ton Double Girder Bridge Crane with Double Rail Trolley Hoist, FEM/DIN Standard