Mobile liquid oxygen filling skid

The utility model relates to the technical field of liquid oxygen fuel filling, in particular to a movable liquid oxygen filling sledge which comprises a 20-foot container type chassis. According to the mobile liquid oxygen filling skid, the leased liquid oxygen tank car with the pump is used for replacing an on-site storage tank and a filling pump, and the vehicle-mounted quantitative filling skid-mounted device is used for replacing an on-site filling pipeline, so that the on-site construction cost is greatly reduced; the filling sledge comprises a flow regulating valve, an emergency cut-off valve, a mass flow meter, a temperature/pressure transmitter and other valve instrument assemblies, so that the filling task can be safely and quantitatively completed; the quantitative filling sledge chassis is designed according to the installation form of a 20-foot container and can be conveniently installed on a container trailer, meanwhile, the pump truck and the quantitative filling truck are good in maneuverabili