Guide wheel device of coil car

The utility model relates to the field of an auxiliary guide device for a railway vehicle, and particularly discloses a guide wheel device of a coil car. The guide wheel device of the coil car comprises a fixing rack (1). The guide wheel device is characterized by also comprising an eccentric shaft (3), a positioning bolt (4), a bearing (5) and a nut (6), wherein the fixing rack (1) is L-shaped; the upper part of the eccentric shaft (3) penetrates into a through hole of a transverse plate (12); the upper part of the eccentric shaft (3) is attached to and fixed with the transverse plate (12) of the fixing rack (1) by the positioning bolt (4); the lower part of the eccentric shaft (3) is sleeved inside an inner ring of the bearing (5); the nut (6) is screwed at the bottom of the lower part of the eccentric shaft (3). The guide wheel device is simple in structure, convenient to install, safe and reliable, long in service life, and high in production efficiency.