Road construction maintenance device

A highway construction maintenance device relates to the technical field of highway maintenance and comprises a shell, an upper cavity is formed in the upper portion in the shell, a notch is formed in the top of the shell, a fixing rod is fixedly connected to the interior of the upper cavity, a moving block is rotationally connected to the fixing rod, and the end of the moving block penetrates through the notch, extends to the exterior of the upper cavity and is connected with a water outlet. The other end of the moving block is fixedly provided with a movable tooth, the bottom of the upper cavity is fixedly provided with an air cylinder, the air cylinder is connected with a tooth pressing plate, and the top of the tooth pressing plate is meshed with the movable tooth pressing plate. By arranging the moving block, the movable teeth, the pneumatic cylinder and the tooth pressing plate, the watering range is adjusted by changing the watering angle of the water outlet according to use requirements, and different