Mixing mechanism for highway construction

The utility model relates to the technical field of construction mixing equipment. The utility model relates to a mixing mechanism, in particular to a mixing mechanism for highway construction. Stirring barrel, the upper part of the stirring barrel passes through a supporting plate and a fixed disc; stirring motor, an output shaft of the stirring motor is connected with a driving gear through a rotating shaft, and the rotating shaft extends downwards to be fixedly connected with a three-legged support; a protective cover is installed on the three-legged support, each set of supporting legs ofthe three-legged support is rotationally provided with an intermediate gear, the end, away from the driving gear, of each intermediate gear is connected with a driven gear in a meshed mode, and a spiral stirrer is fixedly connected to the center of the bottom of each driven gear. The three-legged support is arranged, the spiral stirrer is installed on the three-legged support, the spiral stirrer is driven to rotate throug