Double deck train

The utility model relates to a double deck train, including a plurality of carriages, the carriage includes the automobile body and installs the braking system on the automobile body chassis, brakingsystem is including the braking tuber pipe, automobile body chassis middle part undercut forms the region that sinks, the braking tuber pipe is arranged on the region that sinks along automobile bodylength direction, sink and install drainage device on the region, be equipped with the three -way valve between drainage device and the braking tuber pipe, be equipped with condensation water detecting device between three -way valve and the braking tuber pipe. The beneficial effects of the utility model are that: guarantee the configuration mode of double -decker braking system compressed air airfeed quality, through increasing the solenoid valve and change braking air -supply pipeline mounting means, for the braking pipeline installation of double -decker provides a new project organization, efficient handling is bec