Laminated busbar of frequency converter

The utility model relates to the technical field of laminated busbars, and discloses a frequency converter laminated busbar, which comprises a laminated busbar assembly, a bus capacitor and an insulated gate bipolar transistor (IGBT) power tube, and a negative busbar, a first middle-layer insulating film, a capacitor series busbar, a second middle-layer insulating film, a positive busbar and an upper-layer insulating film are sequentially and movably mounted at the top of the bottom-layer insulating film from bottom to top. According to the utility model, the bottom layer insulating film, the negative bus bar, the nut and the rivet pressing screw are arranged, the nut can rotate along the outer surface of the rivet pressing screw due to the cooperation between the rivet pressing screw and the nut, and the second middle layer insulating film, the positive bus bar and the upper layer insulating film are fixed in a manner of satisfying electrical safety regulations. And meanwhile, the plastic staple bolts can fi