Supporting and fixing device for distribution line

The utility model relates to the technical field of distribution line construction equipment, and discloses a distribution line supporting and fixing device which comprises a base, the outer surface of the base is rotatably connected with a cover plate, the outer surface of the cover plate is provided with a hanging groove, the outer surface of the cover plate is fixedly connected with a torsion spring, and the torsion spring is fixedly connected with the hanging groove. A plurality of first threaded grooves are formed in the top of the cover plate, connecting rods are slidably connected to the inner side faces of the first threaded grooves, pressing rings are arranged at the bottoms of the connecting rods, guide rods are fixedly connected to the tops of the pressing rings, and springs sleeve the outer surfaces of the guide rods; a first thread and a second thread are sequentially arranged on the outer surface of the connecting rod from top to bottom; through the mutual cooperation of the base, the cover plat