Pressure-resistant heat insulation type thermocouple compensation cable

A pressure-resistant heat-insulation thermocouple compensation cable comprises a first conductor, the outer surface of the first conductor is provided with a flame-retardant layer, an insulating layer is arranged outside the flame-retardant layer, an annular steel sheet layer is arranged outside the insulating layer, a soft plate is arranged outside the annular steel sheet layer, a positioning frame is arranged at one end, away from the annular steel sheet layer, of the soft plate, and a dry filling layer is arranged outside the annular steel sheet layer. A second conductor is arranged in the dry filling layer, a wrapping layer is installed outside the dry filling layer, a buffer groove is formed in the outer surface of the wrapping layer, a buffer frame is installed in the buffer groove, a positioning plate is installed in the buffer frame, the outer surface of the positioning plate is sleeved with a buffer plate, and a wear-resistant layer is installed on the outer surface of the buffer groove. The shape of