Tower crane cable fixer

The utility model discloses a tower crane cable fixer. Connecting block, a lower clamping block is glued and fixed in the middle of the top of the connecting block; fixing pipes are welded and fixed to the two sides of the lower clamping block. A connecting rod is inserted into the fixed pipe; the outer wall of the connecting rod is slidably connected with the inner wall of the fixed pipe; slidingblocks are welded and fixed to the two sides of the bottom end of the connecting rod. Longitudinal sliding grooves are formed in the two sides of the interior of the fixing pipe. A transverse annularsliding groove is formed in the bottom end of the interior of the fixing pipe. A sliding block is installed on the longitudinal sliding groove. The top end of the connecting rod is inserted and fixedin the fixed block; the fixed blocks are welded and fixed on two sides of the upper clamping block; a pressing block is fixedly welded to the top end of the upper clamping block, arc openings are formed in the middle of the bo