Stable construction protective fence for constructional engineering

The utility model relates to the technical field of construction protective equipment, in particular to a stable construction protective fence for constructional engineering. Comprising supporting columns and a transverse folding protective net arranged between the supporting columns, a rotating plate is hinged to the outer side wall of each supporting column, a containing groove is formed in each supporting column, a limiting plate is arranged on the groove wall of each containing groove in a penetrating mode, and when the rotating plates rotate, the limiting plates are attached to the upper surfaces of the rotating plates; a left vertical plate and a right vertical plate are arranged in the placement groove in a sliding mode, limiting plates are fixedly connected to the outer side wall of the left vertical plate and the outer side wall of the right vertical plate, and a reset spring is arranged between the left vertical plate and the right vertical plate; the contact area between the lower end of the protec