Thermal insulation structure of oil field storage tank body

The utility model discloses an oil field storage tank body heat preservation structure which comprises a tank body, a first cover body and a second cover body are arranged on the outer side of the tank body, vacuum layers are arranged in the first cover body and the second cover body respectively, the first cover body and the second cover body are detachably connected, a heating plate is arranged on the tank body in a sleeved mode, and the heating plate is arranged on the heating plate. At least three racks are fixed to the heating plate, gears matched with the racks are arranged at the tops of the racks, a driving mechanism is arranged on the outer surface wall of the tank body, the inner surface wall of the heating plate is rotationally connected with the outer surface wall of the tank body, a rotating shaft is rotationally connected to the outer surface wall of the tank body, and the gears are fixed to the rotating shaft in a penetrating mode. And the gear is meshed with the rack. According to the utility