Movable steel guardrail for medial strip

The utility model relates to a movable steel guardrail for a medial strip, in particular to a special movable guardrail for a movable opening in an expressway strip. The movable steel guardrail is characterized in that the movable steel guardrail is formed by connecting a plurality of sections of steel structure units through two ends of the steel structure units in a buckling mode; each section of steel structure unit comprises a horizontal upper beam and a lower beam base which are connected through a plurality of vertical stand bars which are evenly distributed; the upper beam and the lower beam base of each section of steel structure unit are fixedly provided with vertical sleeves, pre-buried sleeves are fixed to the positions, corresponding to the sleeves, on the road surface, and steel tube vertical columns are inserted between the sleeves and the pre-buried sleeves in a penetrating mode. The anti-collision capacity of the movable guardrail can meet the requirement, and the movable steel guardrail is op