Split type roller shutter door rail guide device

The utility model provides a split type roller shutter door rail guiding device which comprises a rail part, a guide rail part, a guide rail part, a guide rail part and a guide rail part, and the rail part is provided with a sliding groove formed in the vertical direction; the two guide strips are arranged at inlets of the sliding grooves correspondingly, a gap is reserved between the two guide strips for movement of the roller shutter door, the roller shutter door makes friction contact with the guide strips, the upper ends of the two guide strips are provided with guide-in slopes correspondingly, and the guide-in slopes of the two guide strips are oppositely arranged; and the guide strip is fixed on the rail part through the connecting piece. According to the roller shutter door, the guide strips are additionally arranged, friction is kept between the guide strips and the roller shutter door all the time, the guide strips can be attached to the roller shutter door all the time, and therefore the sliding sta