Roof structure, vehicle body and railway vehicle

The utility model relates to the field of railway vehicles, and provides a vehicle roof structure, a vehicle body and a railway vehicle. The roof structure comprises a roof framework, and a hoisting area and a non-hoisting area are formed on the roof framework; the car roof framework comprises a first square beam and a second square beam which are used for forming a hoisting area in a surrounding mode, and a U-shaped beam and a first longitudinal beam which are used for being connected in a crossed mode to form a non-hoisting area. And the detachable cover is mounted in the hoisting area. According to the roof structure, the structural strength of the hoisting area can be improved through the first square-shaped beam and the second square-shaped beam, and the hoisting requirements of corresponding equipment are met. And the overall structural strength of a non-hoisting area can be reduced. In other words, the hoisting area and the non-hoisting area are formed in different arrangement modes, equipment hoisting