Heavy-load mobile robot for transporting automobile body

The invention discloses a heavy-load mobile robot for automobile body transportation, and relates to the technical field of transfer devices, the heavy-load mobile robot comprises a mobile vehicle, a mounting table, a first elastic piece, a sliding plate, a placing table, a second elastic piece, a fixing mechanism and the like, the mobile vehicle is slidably connected with the mounting table, and the first elastic piece is fixedly connected between the mobile vehicle and the mounting table; the mounting table is slidably connected with a sliding plate and a placement table, a second elastic part is fixedly connected between the placement table and the sliding plate, and a fixing mechanism is arranged on the placement table. The lower portion of the automobile body can be clamped and fixed through the first sliding block, the fixing plate and other components in the fixing mechanism, the automobile body is prevented from deviating and shaking on a bumpy road section and when turning around, the automobile body