Automatic transportation device for smart factory and use method of automatic transportation device

According to the technical scheme, the automatic transportation device for the smart factory is characterized in that the automatic transportation device comprises a device body, the device body comprises a Y-shaped fixing support and a bearing assembly located above the fixing support, the bearing assembly is provided with a Y-shaped bearing plate, and the bearing plate is formed by splicing three orthohexagonal bearing parts; the bearing plate is of an integrally-formed structure, the lower end of each bearing part is provided with a buffering structure matched with the fixing support, three moving mechanisms matched with the ends of the fixing support are arranged below the fixing support, and each moving mechanism comprises a moving assembly and a steering assembly located at the upper end of the moving assembly. A controller fixedly connected with the fixing support is arranged at the center of the fixing support, and an attitude sensor and three laser radars matched with the attitude sensor are arranged