Cold-chain logistics vehicle defrosting device

The utility model discloses a cold-chain logistics vehicle defrosting device which comprises a bottom plate, an air cylinder fixedly connected to the top of the bottom plate, a supporting plate fixedly connected to the top of the air cylinder, a battery box fixedly connected to the top of the supporting plate, a compressor arranged on the inner side of the battery box, a telescopic pipeline communicated with the output end of the compressor, and an air blowing head arranged at the end of the telescopic pipeline. A supporting frame is arranged below the blowing head and fixedly connected with a battery box, a first motor is arranged on the side, away from the supporting frame, of the battery box, a transmission connecting rod is arranged at the output end of the first motor and connected with a rod sleeve, a U-shaped rod is arranged in the rod sleeve, a first scraping plate is arranged at the end, close to the blowing head, of the U-shaped rod, and a second scraping plate is arranged on the other end side of t