Quick tripping device of load switch

The utility model relates to a quick tripping device of a load switch, which comprises a quick tripping assembly arranged between a fuse and a spring operating mechanism. The quick tripping assembly comprises three supporting plates, three tripping plates, a tripping shaft arranged on the mechanism frame, three transmission connecting levers, three tripping pull rods, an opening bending plate arranged on an opening half shaft of the spring operating mechanism, a linkage bending plate rotationally arranged on a side plate of the spring operating mechanism, and an interlocking rod connected between the opening bending plate and the linkage bending plate. A driving bent plate matched with the linkage bent plate is arranged at one end of the tripping shaft, one end of the driving bent plate abuts against the linkage bent plate, and linkage matching of the linkage bent plate and the driving bent plate is formed. The tripping device has the advantages of simple structure, stable and reliable performance and sensiti