A Device for Running Faults in Rail Transit Lines

The utility model relates to the technical field of rail transit, in particular, a device for faults in rail transit lines, which includes an expansion carrier, which is hollow inside, and a troubleshooting tool that is placed in the hollow area, the expansion bracket is stored; two track wheels, the two track wheels are arranged on both sides of the expansion bracket, and the outer diameters of the track wheels are larger than the outer diameter of the expansion bracket, so that when the track the wheels are installed on the track, the expansion bracket is in a raised state; two operating handles, two operating handles are respectively arranged on both sides of the expansion carrier, one end of the operating handle is fixedly connected with the center of the two sides of the expansion carrier, and a track wheel is installed in a rolling manner on each operating handle. The utility model uses rolling on and off the track, and the operation is more labor-saving, and the maintenance equipment stored inside can be better protected, and the damage caused by vibration is reduced, and everything can be store, so the volume is small and it is convenient to carry and use.