Protection device with good shallow sea oil field wellhead heat preservation effect in winter

The utility model discloses a protection device with a good heat preservation effect for a wellhead of a shallow sea oil field in winter. The utility model belongs to the technical field of oilfield development, the device comprises a bottom plate, a shell is fixedly connected to the upper surface of the bottom plate, two partition plates are fixedly connected to the interior of the shell, the partition plates are fixedly connected to the upper surface of the bottom plate, the partition plates are in lap joint with the back faces of baffles, the left side faces of the two baffles are fixedly connected through two ropes, and the ropes are located in two rope sleeves. The utility model discloses a protection device with a good thermal insulation effect for a shallow-sea oilfield wellhead inwinter. A baffle, a sliding sleeve, a first spring, a partition plate, a rope, a second spring, a bearing plate, a third spring and a cover are matched with one another; therefore, circulation of airin a wellhead and external