Steel structure drilling machine

The utility model belongs to the technical field of steel structure machining, and particularly relates to a steel structure drilling machine which comprises a bottom plate, supporting plates are installed on the two sides of the upper end of the bottom plate, the top ends of the two supporting plates are jointly connected with a machining table, and electric push rods are installed on the two side walls of an inner cavity of the machining table. And clamping plates are installed at the telescopic ends of the two electric push rods correspondingly, a support is installed in the middle of the upper end of the machining table, a drilling assembly is arranged on the support, protection assemblies are arranged on the supporting plates, and vertical grooves are formed in the two supporting plates correspondingly. Through the arrangement of the protection assembly, the protection effect of the device can be enhanced, the problem that the safety of surrounding workers is threatened due to the fact that chippings gen