Motor chain wheel fixing mechanism of railway ballast screening machine

The utility model relates to the technical field of railway ballast cleaning, and discloses a railway ballast cleaning machine motor chain wheel fixing mechanism which comprises a machine body, a driving chain wheel is in transmission connection with the interior of the machine body, a scraping plate is fixedly connected with the exterior of the driving chain wheel, and transverse plates are fixedly connected with the two sides of the outer wall of the machine body. A reinforcing plate is fixedly connected to the edge of the top of the transverse plate, a connecting block is fixedly connected to the outer side of the transverse plate, and a connecting rod is inserted into the connecting block. The device has the following advantages and effects that a water pump pumps out water in the water tank through a water pipe, the water enters a transverse plate and a vertical plate through a spray head, a worker starts a motor at the moment, the motor drives fan blades to rotate, and the fan blades rotate to scatter t