Freight train brake cooling device and freight train

The utility model provides a freight train brake cooling device and freight train relates to brake cooling technical field, including a cooling device, a cooling device includes the water tank, the cooling switch, first shower nozzle, the second shower nozzle, third shower nozzle and fourth shower nozzle, the water tank is connected through first pipeline with the freight train air pump, be provided with air pressure adjusting valve on the first pipeline, the one end of each shower nozzle is connected with the water tank respectively, the other end is directional brake disc respectively, the cooling switch is including the first cooling switch and the second cooling switch of linkage setting mutually, first cooling switching system is in truck cab, so that the driver conveniently operates,second cooling switching system is used for controlling the break -make of second pipeline on the second pipeline, second cooling switch is controlled through controlling first cooling switch, the problem of in freight train