Frame loading test device

A frame loading test device disclosed by the present invention comprises a column supporting assembly and a beam supporting assembly, the column supporting assembly comprises a fixed seat, a bending moment measurer and a column hoop, two lateral supporting parts arranged at an interval in the front-back direction are formed on the top side of the fixed seat, and first rollers are rotatably connected to the opposite sides of the two lateral supporting parts respectively; the rotation axes of the two first rollers extend in the vertical direction, the bottom side of the bending moment measurer is connected to the position, located between the two lateral supporting parts, of the top side of the fixing base, the column hoop is located between the two lateral supporting parts, a column positioning space is defined in the column hoop, and supporting strips are arranged on the front side and the rear side of the column hoop correspondingly. The two supporting strips abut against the two first rollers correspondingl