Spreader expansion bracket

The utility model relates to a spreader expansion bracket, it includes the support frame, support frame welding have the girder, the girder be connected with flexible roof beam A, the support frame install hydro -cylinder A and hydro -cylinder B, hydro -cylinder A be connected with telescopic link A, telescopic link A be connected with end beam A, hydro -cylinder B be connected with telescopic link B, telescopic link B be connected with end beam B, end beam B be connected with flexible roof beam B, flexible roof beam B's top be connected with the hoist, end beam B's upper portion install hydro -cylinder C and hydro -cylinder D, hydro -cylinder C be connected with telescopic link C, hydro -cylinder D be connected with telescopic link D, the utility model has the advantages of reasonable in design, simple structure, low in manufacturing cost, can stretch out and draw back, work efficiency height, convenient to use, reliable and stable, reduce intensity of labour, application scope is extensive, the performance