Thin plate hoisting device for refrigerated container

The utility model discloses a refrigerated container sheet hoisting device, which belongs to the technical field of hoisting devices and comprises a main beam, a vacuum chuck, a pressure maintaining component, a hoisting chain and a protective hoisting rope, the vacuum chuck is flexibly connected and mounted on the main beam, the pressure maintaining component is fixedly mounted on the main beam, and the hoisting chain is fixedly mounted on the main beam. The sling chain and the protection sling rope are fixedly connected to the main beam, in the using process, the structure of the main beam is optimized into an integral square tube, the integral square tube serves as a main structural part and also serves as a buffering air bag, and the capacity of the air bag is greatly increased; under the condition of power failure or accidental pressure relief, the pressure maintaining time is greatly prolonged, short-time falling is prevented, the vacuum pressure in the buffer bag is automatically controlled and maintai