Deicing knife structure and deicing device

The invention relates to the technical field of power transmission line maintenance equipment, and particularly provides a deicing knife structure and a deicing device.The deicing knife structure comprises a shell, the shell is of an annular structure, and an inner ring of the shell is used for being matched with a power transmission line; the power transmission line snow removing device further comprises a snow removing cutter structure, the snow removing cutter structure comprises two snow removing cutter units, and the two snow removing cutter units are matched with each other to remove accumulated snow on the power transmission line. Wherein the snow removing cutter unit comprises a snow removing cutter body and a driving structure, and the driving structure is used for driving the snow removing cutter body to move in the diameter direction of the inner ring of the shell; the relative position of the snow removing knife body in the diameter direction of the inner ring is adjusted through the driving struc