Steel structure engineering frame with multi-reinforcement design

The utility model discloses a steel structure engineering framework with a multi-reinforcement design, which is characterized in that a support column adopts channel steel, a cross beam adopts I-shaped steel, L-shaped brackets I are symmetrically arranged on the lower end surface of the cross beam, openings of the L-shaped brackets I are opposite, an L-shaped bracket II is arranged on the left side surface of the support column, an opening of the L-shaped bracket II is upward, and the L-shaped bracket II is arranged on the right side surface of the support column. A first connecting plate and a second connecting plate are arranged at the upper end and the lower end of the reinforcing beam respectively, the two ends of the first connecting plate are connected with the first L-shaped supporting groove in a matched mode, the lower end of the second connecting plate is connected with the second L-shaped supporting groove in a matched mode, and a first positioning bolt is connected to the first L-shaped supporting