Adjustable cable bracket

The utility model relates to an adjustable cable bracket. The adjustable cable bracket comprises a fixed block, wherein an upper mounting groove and a lower mounting groove are formed in the fixed block; an upper rotating shaft is rotatably mounted in the upper mounting groove through a bearing, the upper end of the upper rotating shaft extends to the upper side of the fixing block, an upper forward thread section and a reverse thread section are arranged on the upper rotating shaft, a first upper supporting arm and a second upper supporting arm are assembled in the upper mounting groove, and the first upper supporting arm is matched with the upper forward thread section; the second upper supporting arm is matched with the upper reverse thread section; a lower rotating shaft is rotatably mounted in the lower mounting groove, the lower end of the lower rotating shaft extends to the lower side of the fixing block, a lower forward thread section and a lower reverse thread section are arranged on the lower rotati