Draw bar for tower crane

A traction rod for a tower crane comprises a combined rod, a plug arranged at one end of the combined rod and a hook head arranged at the other end of the combined rod, the combined rod comprises two or more section rods and connecting pieces arranged between every two adjacent section rods, and the section rods are hollow round pipes; the hook head comprises an installation pipe, a pushing piece arranged at the end of the installation pipe and a hook piece arranged on one side of the pushing piece, the installation pipe and the section rod are connected in an inserted mode and fixed through a fastening piece, a V-shaped groove is formed in the side, away from the installation pipe, of the pushing piece, and a hook groove is formed between the hook piece and the outer side wall of the pushing piece. The draw bar is mainly used for adjusting the posture of the standard knot in the mounting and dismounting process of the standard knot. And the working efficiency of operators is improved conveniently, and the pe