Combined multi-strand cable protection tube

The utility model provides a combined type multi-strand cable protection tube comprising a protection tube body, the top of the protection tube body is provided with two symmetrical threaded sleeves in a penetrating manner, the inner wall of each threaded sleeve is in threaded connection with a threaded rod, the bottom of each threaded rod is movably connected with a fixing plate through a bearing, and the protection tube body comprises a base layer. A first anti-corrosion layer is arranged on the inner surface of the base layer, a high-temperature-resistant layer is arranged on the outer surface of the base layer, and a second anti-corrosion layer is arranged on the outer surface of the high-temperature-resistant layer. The combined multi-strand cable protection pipe solves the problems that most of the conventional combined multi-strand cable protection pipes are poor in use effect, do not have the advantages of limiting fixation and stable installation, reduce the use safety of the combined multi-strand ca