Circulating corrosion test line pipe sealing device

The utility model discloses a circulating corrosion test wire pipe sealing device which comprises cable positioning units, a cable adjusting unit and a fixing unit, and the cable positioning units are arranged on the two sides of the cable adjusting unit. The fixing unit sequentially penetrates through one cable positioning unit, the cable adjusting unit and the other cable positioning unit. The cable adjusting unit is of a split type structure, cable penetrating holes are distributed in the cable adjusting unit, adjusting pieces are installed in the cable penetrating holes, and the adjusting pieces and the cable penetrating holes are coaxially arranged. The splicing structure has the advantages that the first splicing part and the second splicing part are in lap joint through the first protrusion and the second protrusion, operation is easy, and the misassembly probability is low; the cable adjusting unit has the function of adjusting the aperture size by detaching an elastic sleeve, cables of different spec