Installation assembly capable of being manually leveled, radar equipment and railway early warning system

The utility model relates to a manually leveled mounting assembly, radar equipment and railway early warning system, including base, mounting seat and adjusting nut, wherein the mounting seat is equipped with at least two adjusting holes, the base is connected with at least two connecting pieces, at least the upper end of the connecting piece is equipped with a cylindrical section adapted to the adjusting holes, and the adjusting nut is connected with the mounting seat. The cylindrical section is provided with an external thread; the adjusting nut is provided with an internal thread matched with the external thread, the connecting piece is sleeved with the mounting seat through the adjusting hole, the mounting seat is adjustably constrained to the connecting piece through matching of the adjusting nut and the external thread, and the mounting seat is used for mounting radar equipment and/or image acquisition equipment; the installation assembly is simple and compact in structure and reasonable in design, rada