Railway vehicle and anti-side-rolling mounting seat assembly of railway vehicle

The utility model discloses a railway vehicle and an anti-side-rolling mounting seat assembly of the railway vehicle, and relates to the technical field of vehicle engineering. The mounting seat assembly comprises an integrally formed anti-side-rolling mounting seat; the anti-side-rolling mounting seat comprises a top plate, a side plate fixed below one end of the top plate in the length direction and a mounting arm used for being connected with a bogie anti-side-rolling torsion bar device. The side plate comprises a V-shaped plate composed of an upper side plate and a lower side plate, one end of the upper side plate in the length direction is in butt joint with the top plate and inclines downwards in the direction away from the top plate, and the other end is in butt joint with the top end of the lower side plate; the mounting arm is connected below the top plate and the upper side plate; top plate connecting holes are formed in the top plate, and side plate connecting holes are formed in the lower side pla