Carriage top plate, carriage and railway vehicle

The embodiment of the invention provides a carriage top plate, a vehicle and a rail vehicle, the carriage top plate comprises a middle top plate arranged in a carriage and connected with the roof of the vehicle, and side top plates symmetrically arranged on the two sides of the middle top plate with the longitudinal central axis of the middle top plate as the axis, and one side of each side top plate is rotatably connected with the side wall of the vehicle; and the other side of the side top plate is connected with the middle top plate in an openable manner. After the side top plate is opened, a worker can carry tools to enter the space between the top plate and the car roof for operation, the top plate is high in integration degree, modular production and assembly are facilitated, time is saved, and working efficiency is improved. 本申请实施例提供一种车厢顶板、车辆及轨道车辆，车厢顶板包括设置于车厢内部、并且与车辆的车顶相连接的中顶板，以及以中顶板的纵向中轴线为轴对称设置在中顶板两侧的边顶板，边顶板的一侧与车辆的侧墙可转动地连接，边顶板的另一侧与中顶板可打开地连接。打开边顶板后，工作人员携带工具可以进入顶板与车顶之间的空间进行作业，且这种顶板集成度高，便于模块化生产和组装，节省了时间，