Assembled cable mounting rack with stable structure

The utility model discloses an assembled cable mounting rack with a stable structure, which relates to the technical field of mounting racks and comprises a fixing rack, a placement groove is formed in the upper end face of the fixing rack, a rotating rod is arranged in the placement groove, and a first limiting sliding block is in threaded connection with the outer side wall of the left end of the rotating rod. A second limiting sliding block is in threaded connection with the outer side wall of the right end of the rotating rod, and a first connecting plate is installed at the upper end of the first limiting sliding block. According to the assembled cable mounting rack with the stable structure, a driving motor is started to drive a rotating rod to rotate, opposite external threads can enable a first limiting sliding block and a second limiting sliding block to move inwards or outwards at the same time, automatic adjustment according to the size of a cable is facilitated, and more time and labor are saved;