Municipal engineering guardrail

The utility model discloses a municipal engineering guardrail. The device comprises a plurality of vertical pipes which are longitudinally arranged at equal intervals, the vertical pipe is poured in the ground; the length of the vertical pipe is 40-60 cm; the length of the vertical pipe buried into the ground is 3/5-4/5 of the length of the vertical pipe; an inner pipe is inserted into the vertical pipe; the upper end of the inner pipe extends to the outer part of the vertical pipe; two inserting holes are formed in the outer wall of the inner pipe in a bilateral symmetry manner; an insertingpipe is assembled in each inserting hole; a screw for fixing the insertion tube is arranged at the top of the inner tube; a plate is welded between the inserting pipes located on the same side, an arc-shaped stress plate is assembled through the plate, U-shaped notches are formed in the upper end and the lower end of the plate and the upper end and the lower end of the stress plate respectively, bolts are assembled betwee