Liquefied gas ball tank sampling device

The utility model discloses a liquefied gas ball tank sampling device. The liquefied gas ball tank sampling device comprises a ball tank, a support, a magnetic levitation liquid level meter and a sampling connector. The magnetic levitation liquid level meter is communicated with the top and the bottom of the ball tank. The magnetic levitation liquid level meter can accurately reflect the liquid level situation of liquefied gas in the ball tank, and the ball tank and the magnetic levitation liquid level meter are supported by the support. The sampling connector is arranged at the bottom of the magnetic levitation liquid level meter. The sampling connector is arranged at the bottom of the magnetic levitation liquid level meter, and due to the fact that the magnetic levitation liquid level meter and the ball tank are connected in a segmented mode, the sampling connector can take out samples in all segments in the ball tank. Accordingly, the purpose of accurate sampling can be effectively achieved, threaded fitting is adopted in the sampling connector, and better airtightness is achieved.