Rolling supporting mechanism and carrier rocket foundation level transportation device

The utility model discloses a rolling supporting mechanism and a carrier rocket basic level transportation device, and relates to the field of rocket transportation, on one hand, the mechanism comprises a plurality of supporting assemblies which are arranged at intervals in the length direction of a transportation body, each supporting assembly comprises a supporting frame, a rolling body and a transmission part, the supporting frames are fixedly arranged, the rolling bodies are connected with the supporting frames, and the transmission parts are connected with the rolling bodies; the transmission part is used for tightly holding the transportation body and enabling the transportation body to rotate relative to the supporting frame, and the transmission part is connected with the rolling body; the output end of the driving part is in transmission connection with the multiple transmission parts so that all the rolling bodies can be driven by the transmission parts to drive the conveying body to roll. On the ot