Defrosting device for cold chain transport vehicle

The utility model discloses a defrosting device for a cold chain transport vehicle, and relates to the technical field of transport vehicles. The defrosting device for the cold chain transport vehicle comprises a compartment, a cavity is formed in the compartment, openings are formed in one end and one side of the compartment, a scraping plate is in threaded connection with the interior of the compartment, the scraping plate is located in the cavity, and an internal thread block is fixed to the top of the scraping plate; a driving mechanism used for driving the internal thread block to move is arranged in the compartment and located in the cavity, a compartment door is hinged to an opening in one end of the compartment, and a protruding plate is fixed to the portion, located in the cavity, of the compartment. According to the device, the motor is started to drive the threaded rod to rotate, the threaded rod is in threaded connection with the internal threaded block, the internal threaded block is driven to mo