The utility model discloses a steel bar traction device, it includes drive mechanism and conveying?mechanism, and drive mechanism includes tractor, tractive track and linkage drawbar, and the tractor is located tractive track, and the linkage drawbar is installed on the tractor, be equipped with a plurality of reinforcing bar fixture on the linkage drawbar, the preceding tip of being convenient for to wait a plurality of reinforcing bars of pulling presss from both sides tightly simultaneously, furthermore, conveying?mechanism comprises a plurality of tandem arrangement's conveying unit, and arrange on every conveying unit's the transfer gantry a plurality of horizontal support shaft and with this horizontal support shaft complex slip axle sleeve, be equipped with a plurality of circumferential reinforcing bar standing groove on the surface of slip axle sleeve, the reinforcing bar is arranged in the circumferential reinforcing bar standing groove, through the aforesaid slip axle sleeve and horizontal support shaft cooperation, do benefit to the pulling force that needs when sparingly draging the reinforcing bar. The utility model discloses an above -mentioned drive mechanism and conveying?mechanism synergy do benefit to the efficiency that pulls that improves the reinforcing bar, use manpower sparingly and the time.