Concrete crack glue pouring device

The utility model relates to the technical field of mechanical engineering. The concrete crack glue pouring device comprises a motor, a rotating shaft of the motor is fixedly connected with a speed changing box, push rods are movably connected to the two sides of the middle of the speed changing box, supporting legs are fixedly connected to the bottom of the speed changing box, universal wheels are fixedly connected to the bottoms of the supporting legs, and the middle of the rotating shaft of the speed changing box is fixedly connected with a piston in a sleeved mode. The utility model discloses a concrete crack glue pouring device. The first flange plate and the second flange plate are attached together. The nut sequentially penetrates through the first flange plate and the second flangeplate; and then the nut penetrating through the second flange plate is fixedly sleeved with the nut, the nut is tightly attached to the surface of the second flange plate, the first flange plate andthe second flange plate ar