Riveted locking device of connecting rod nut

The utility model relates to a tooling, and particularly relates to a riveted locking device of a connecting rod nut. The riveted locking device comprises a casing, an extrusion knife, an oil cylinder, a working table, a positioning device, an adjusting bolt seat, an adjusting bolt, a positioning push rod and a connecting rod, and is characterized in that the casing is connected with the working table through a riveted seat positioning ring; cross through holes are formed in the casing; the extrusion knife is mounted in the left hole and the right hole; the tail end of the extrusion knife is connected with the positioning push rod through an inner hexagon screw; the positioning push rod is connected with an oil cylinder at two ends through the connecting rod, and the connecting rod is locked through a round nut; and the oil cylinder is fixed with the working table through an oil cylinder bracket. Compared with the prior art, the utility model has the advantages that the riveted nut can achieve specified locki