The application discloses a track automatic switching device for an aerial suspension trolley conveying line, which comprises a base body, a front straight track arranged at the front end of the base body, a rear straight track arranged at the rear end of the base body, a left turning rear track and a right turning rear track, the base body is fixed at the track connection position of the front straight track and the rear straight track, a movable track is arranged on the base body, a straight track for
butt joint with the front straight track and the rear straight track, a left turning track for
butt joint with the front straight track and the left turning rear track and a right turning track for
butt joint with the front straight track and the right turning rear track are arranged on the movable track, a track power device is arranged on the movable track and is used for driving the movable track to move, and a positioning
assembly is arranged on the movable track and is used for improving the accuracy of track butt joint and the stability of the track. The application improves the guiding accuracy of the aerial suspension trolley in the track switching process, and solves the problems of large space occupation and high
failure rate in the track switching process when the driving
stroke is large.