Lightning protection device for power transmission and distribution pipelines of roads and bridges

The utility model discloses a road and bridge power transmission and distribution pipeline lightning protection device which comprises a protection shell, three adjusting grooves are formed in the outer side of the protection shell in a penetrating mode, first connecting blocks are arranged in the adjusting grooves, close to the two sides, of the three adjusting grooves, and a second connecting block is arranged in the adjusting groove close to the middle. A wire guiding mechanism is arranged at the top of the second connecting block, supporting rods are fixedly connected to the top of the first connecting block, the same limiting block is fixedly connected to the top ends of the two supporting rods, and a lightning arresting rod is arranged in the middle of the limiting block in a penetrating mode. According to the lightning protection device for the road and bridge power transmission and distribution pipeline, the position of the power connection wire can be adjusted according to installation requirements,