Fixing frame device for electric connector of rail transit vehicle

The invention discloses a fixing frame device for an electric connector of a rail transit vehicle, and relates to the technical field of the electric connector of the rail transit vehicle, the fixing frame device comprises a fixing frame, the inner side wall of the fixing frame is fixedly connected with a lower convex plate, and the upper surface of the lower convex plate is provided with a plurality of mounting grooves arranged at equal intervals; the inner side wall of the fixing frame is fixedly connected with an upper boss corresponding to the lower protruding plate, a clamping groove is formed between the upper boss and the lower protruding plate, a plug insulator is placed in the fixing frame, the outer walls of the two sides of the plug insulator are both fixedly connected with installation lugs, the installation lugs are located in the installation grooves, and the installation lugs are fixedly connected with the fixing frame. According to the invention, through the design of the clamping strips, a pl