Transmission line protector

The utility model discloses a transmission line protector which comprises a mounting base, a rectangular connecting column, a supporting plate, a fixing block, a cable protection pipe, an adjusting structure and a buffer protection structure. A rectangular connecting column is fixedly connected to the bottom end of the mounting base, an inner cavity is formed in the rectangular connecting column, an adjusting structure is mounted in the inner cavity of the rectangular connecting column, a supporting plate is fixedly arranged at the bottom end of the adjusting structure, and fixing blocks are fixedly arranged on the two sides of the supporting plate. A cable protection pipe is fixedly arranged at the position of the fixing block, and a buffer protection structure is installed on the inner wall of the cable protection pipe, so that a transmission cable can be supported and installed, the cable can be well protected, the cable can be prevented from being damaged by impact, and the service life of the cable is pr