Cable isolation protection tube

The utility model provides a cable isolation protection tube, which relates to the technical field of cable protection and comprises a protection tube body. A mounting groove is formed in the center of the front end surface of the protection tube body; the center of the rear end face of the protection pipe body is fixedly connected with a blocking frame. A guide sliding frame is connected in the mounting groove in a sliding manner; the guide sliding frame is aligned with the blocking frame in position; the guide sliding frame and the blocking frame are of a cross-shaped blocky structure. The center of the outer wall of the guide sliding frame is fixedly connected with four cable partition plates in an annular array shape; the front end faces of the four cable partition plates are each provided with a wire passing groove in the middle in a penetrating mode. In a cable threading process, a guide sliding frame is driven to move, so that a guide pulley slides in a guide sliding groove, and a plurality of cables i