Tower crane cable fixing device

The invention discloses a tower crane cable fixing device. The tower crane cable fixing device comprises a long-strip-shaped buckle base plate fixed to a tower crane standard knot. A plurality of elastic buckles for clamping and fixing the vertical cables in a one-to-one correspondence manner are arranged on the long-strip-shaped buckle substrate, and at least three elastic clamping claws with outward and upward curled edges are arranged on each elastic buckle; the outer sides of the openings of the plurality of elastic buckles are provided with a brake bar, the inner side face of the brake bar is provided with bristles which are used for stretching into the opening of each elastic buckle and inwards abutting against each vertical cable, one end of the brake bar is hinged to the standard knot, and the other end of the brake bar is detachably connected with the standard knot; the three elastic clamping jaws respectively clamp the vertical cable from left to right. The contact surface of each elastic clamping j