Guardrail is used at construction scene

The utility model provides a guardrail is used at construction scene, includes the base, the base upper surface is equipped with vertical hole, vertically be equipped with the cavity on the base of vertical hole limit portion, the cavity is linked together with vertical hole, be equipped with the annular groove on the base of cavity limit portion, the smooth recess of annular is linked together with the cavity, vertical downthehole stand that is equipped with, the lower extreme of stand is equipped with the boss, the top welding of stand has the riser, upper and lower both ends in the riser are passed through the bearing and are connected with the axostylus axostyle, the upper end of axostylus axostyle extends to the outside of riser and is connected with hand handle, be equipped with the warning area on the axostylus axostyle in the riser. The utility model discloses a swing joint of stand and base easy to assemble and dismantle, through rotating on handle warning area will twine the axostylus axostyle, conv