Detachable combined guard plate for stair construction

The utility model relates to the technical field of industrial buildings, in particular to a detachable stair construction combined protective plate which comprises a kick plate, a first pedal and a second pedal, the first pedal and the second pedal are perpendicularly connected to the upper end and the lower end of the kick plate, the first pedal and the second pedal are arranged on a stair step face in an attached mode, and the kick plate is arranged on a stair kick face in an attached mode. An elastic buffer pad is arranged on the back of the kick plate; splicing sections are arranged at the positions, close to the ends, of the first pedal body and the second pedal body respectively, a clamping groove is formed in the splicing section of the first pedal body, a clamping protruding block matched with the clamping groove is arranged on the splicing section of the second pedal body, and when the clamping groove and the clamping protruding block are matched and clamped up and down, the clamping groove and the