Bridge guardrail convenient to install

The bridge guardrail convenient to install comprises a guardrail device, a warning device is installed at the upper end of the guardrail device, and the guardrail device comprises a transverse rail, avertical rail, a connecting piece, a stand column, a convex groove, a base, a bolt, a threaded groove, a convex block, a stepped groove, a threaded pressing block, a toothed groove, a toothed rod anda clamping hole. Wherein vertical bars are fixedly mounted on the left side and the right side of the transverse bar, connecting pieces are fixedly mounted at the upper end and the lower end of one side of each vertical bar, a stand column is mounted on one side of each connecting piece, and convex grooves are formed in the left side and the right side of each stand column; the warning device comprises a baffle, a sliding groove, a clamping groove, a bottom plate, a positioning block, a spring, an elastic piece and a warning rod. According to the bridge guardrail convenient to mount, the guardrail is convenient to mou