Protective construction platform for high-rise building

The utility model discloses a protective construction platform for a high-rise building, which comprises a protective platform, the inner bottom of the protective platform is rotatably connected with two symmetrically arranged revolving doors through pin shafts, the upper end of the protective platform is provided with a sliding groove, the sliding groove is a U-shaped groove, the inside of the sliding groove is connected with a sliding block in a sliding manner, and the sliding block is connected with the protective platform in a sliding manner. The sliding block is a U-shaped block, a horizontal baffle is fixed to the upper end of the sliding block, a through groove is formed in the inner wall of one end of the sliding block in a penetrating mode, and the interior of the sliding block is connected with the interior of the sliding groove through a plurality of height adjusting devices. According to the device, the height of the horizontal baffle can be rapidly adjusted by arranging the height adjusting devic