Novel dropping-fishing cable wellhead suspension sealing device

The utility model relates to the technical field of casting and fishing cables. The utility model relates to a sealing device, in particular to a novel dropping-fishing cable wellhead suspension sealing device. Existing labor-consuming cables are not well fixed with oil extraction equipment and are not good in sealing performance after descending into a well. Therefore, the whole rodless oil extraction equipment is stopped; the utility model discloses a novel dropping-fishing cable wellhead suspension sealing device. The sealing device comprises a supporting piece and a fastening piece. The fasteners comprise the upper fastener and the lower fastener which are located at the two ends of the supporting piece respectively. A pressure plate, a packing and a sealing bin are sequentially arranged between the upper fastening piece and the supporting piece; space is formed in the sealing bin and the supporting piece, the fixing piece and the fixing sleeve are arranged in the space, the hoop head is arranged at the l