Universal mounting part and modular substation prefabricated cabin

The invention relates to the technical field of prefabricated cabin type substations, in particular to a universal installation part and a modular substation prefabricated cabin. The universal installation part comprises an installation part body, the installation part body is provided with an installation assembly, the installation assembly comprises an installation disc rotating in the axial direction, and a sliding groove is formed in the installation disc and arranged in the radial direction of the installation disc; a mounting part is arranged at the sliding chute in a sliding manner and is provided with a threaded section; the base assembly comprises a base, and the base is provided with a mounting groove for mounting the mounting disc; and the anti-pulling mechanism is arranged at the mounting assembly or the base assembly, and the anti-pulling mechanism is used for positioning the mounting disc in the mounting groove. According to the invention, the position of the mounting part can be adjusted in the