Safety device capable of fixing tower crane pull rod

The utility model relates to the field of tower crane pull rod structures, in particular to a safety device capable of fixing tower crane pull rods, which comprises a plurality of pull rod collecting devices arranged on an upper chord of a cargo boom side by side at intervals. The pull rod collecting device comprises a first pull rod clamping plate and a second pull rod clamping plate; four through holes are formed in the corresponding positions of the first pull rod clamping plate and the second pull rod clamping plate, and a square is defined by the through holes; the through holes of the first pull rod clamping plate and the second pull rod clamping plate are connected through screws and fixed through nuts. Supporting plates are symmetrically arranged on the opposite sides of the first pull rod clamping plate and the second pull rod clamping plate; a safety ring is arranged on the supporting plate on one side of the first pull rod clamping plate; the two pull rod collecting devices located at the head end