Electrical connector mounting structure for powder and particle material transportation semitrailer

The utility model relates to the technical field of trailers, in particular to an electrical connector installation structure for a powder and particle material transportation semitrailer. A mounting hole is formed in the frame end panel, a nut is fixed on the inner side face of the frame end panel and located on the periphery of the mounting hole, a mounting plate covering the mounting hole is arranged on the outer side face of the frame end panel, a through hole opposite to the nut is formed in the mounting plate, and a bolt penetrates through the through hole and is connected with the nut. An electrical connector is arranged on the mounting plate, and the inner end of the electrical connector penetrates through the mounting plate and the mounting hole. The electrical connectors are all mounted on the mounting plate in advance, the mounting holes are formed in the end panel, an electrical wire and an air pipeline are connected with the electrical connectors respectively, the mounting plate is fixed to the e