Semi-trailer type freezing liquid tank car

The utility model belongs to the technical field of freezing tank transport vehicles, particularly relates to a semi-hanging type freezing liquid tank truck, and provides the following scheme aiming at the problems that a tank body of an existing freezing liquid tank truck is relatively single in fixing mode, is fixed only through two-side clamping, is poor in fixing effect, is not comprehensive enough in fixing, and increases transportation risks. The vehicle comprises a vehicle plate and a freezing tank, the freezing tank is placed on the top of the vehicle plate, a cavity is formed in the vehicle plate, a double-shaft motor is arranged in the cavity, threaded rods are fixedly installed on two output shafts of the double-shaft motor, the spiral directions of the two threaded rods are opposite, and vertical rods are in threaded connection with the outer sides of the two threaded rods. And two rectangular holes are symmetrically formed in the inner wall of the top of the cavity, the vertical rods are slidably