Novel automatic maintenance system for highway bridge concrete guardrail

The utility model discloses a novel highway bridge concrete guardrail automatic maintenance system which comprises a guardrail body and a bracket, the side surface of the guardrail body is provided with supports which are symmetrically distributed, the bracket is installed on the supports, the top of the bracket is provided with PVC water pipes which are symmetrically distributed, the PVC water pipes are provided with side water guide pipes, and the side water guide pipes are connected with the side water guide pipes. An upper water guide pipe is further arranged on one PVC water pipe, and a guide seat is mounted at the top of the support; the positioning and guiding mechanism has the advantages that by means of the designed positioning and guiding mechanism, positioning and guiding during mounting of the bracket and the guiding seat are increased, position deviation during mounting of the bracket is prevented, and the bracket and the guiding seat are more convenient to mount; through the designed first suppo