Double Girder Workshop Overhead Crane 20t

Product Name:Double Girder Workshop Overhead Crane 20t
Lifting Weight: 5t-50t
Span: 10.5m-31.5m or other
Lifting Height: 6m-24m
 
Double Girder Overhead Crane is for lifting 5t~50t stuff. It has beautiful box-typed welded main girders. Computer optimized design for main girders with good performance and light weight.  It's very convenient to install in new or existing workshops. This crane is easy to operate with various functions. With the advantages of compact structure, light weight and high lifting height, it's widely used in workshops, metallurgy, warehouses and assembly shops etc.
 It has beautiful box-typed welded main girders. Computer optimized design for main girders with good performance and light weight. And the span reaches 40 meters.Mechanism:
1. Double main girders, box-type shaped by wielding;
2. High quality carbon steel Q235B and Q345B;
3. Double girder connected by high strength screws;
4. Welding seams are tested by X-ray and ultrasound;
5. Forged wheels;
6. Compact structure, small volume and light weight trolley;
7. Lifting mechanism is open type winch trolley;
8. Compact reducer motor drive, step less control, hardened gears and safety disc brake;
9. Good operation performance, step less speed regulating and running smoothly;
10. Main girders Shot blasting sa2.5 after welding to release internal stresses;
11. Painting high quality epoxy zinc-rich primer, and the thickness of oil film is 140μm;
Electric System:
1. Power supply through step less 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 which 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.

Our Team&Services

Things that you may want to know about us !
Founded in 1988, Weihua Group is a leading crane manufacturer in China. Weihua has been committed to heavy machinery researching and marketing. The main product covers lifting machinery, port machinery, mining machinery and construction machinery, etc. The whole coverage of Weihua Group is 3,420,000 square meters with 6,800 employees. 
Weihua adheres to scientific and technological innovation and owns a 600-people R&D team, 494 patents, CNAS laboratory, etc. For the cranes, Weihua have made many breakthroughs which include anti-sway system, CNC high precision positioning system, self-climbing crane for wind power maintenance and so on.
In recent years, Weihua cranes have been employed to serve China's Aerospace Engineering projects such as launching of Shenzhou spacecraft, Long March carrier rockets and Tiangong space laboratory. You can also find Weihua products in the fields of manufacturing, metallurgy, nuclear power, railway,port, petrochemical and wind power.
Weihua products also find its places in the global markets and won much praise from108 countries like America, Japan, Russia, Singapore, Korea, Thailand, Malaysia, Mexico, etc.
Our success comes from customers' success
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