High-reliability attachment device for climbing frame

The utility model relates to the technical field of scaffold safety protection, in particular to a high-reliability attachment device for a climbing frame, which is characterized in that an unloading support adjusting piece consisting of an adjusting sleeve and an adjusting rod is arranged to replace the existing structure of an adjusting screw rod and an end adjusting nut, and the upper part of the adjusting sleeve is positioned outside an unloading support piece; the wall-attached support inner frame and the wall-attached support outer frame are provided with the adjusting sleeves, the adjusting rods penetrate through the adjusting sleeves, and the upper portions of the adjusting rods are located outside the adjusting sleeves, so that the phenomenon that the whole unloading support adjusting piece is damaged and cannot be adjusted is not prone to occurring. The connecting mechanism enables the whole wall-attached support structure to have enough mechanical strength, the anti-falling assembly can effectively