Steel bar binding device for bridge construction

The utility model relates to a reinforcing steel bar binding device for bridge construction. The problems that reinforcing steel bar binding efficiency is low, and double-strand binding is not easy are effectively solved. According to the technical scheme, the handle comprises a left handle body and a right handle body, the middle of the left handle body and the middle of the right handle body are hinged together through a hinge lug, a certain interval is formed between the left handle body and the right handle body, and the left handle body and the right handle body can rotate relatively; the right handle is provided with a vertically-through wire passing channel, and a binding wire is arranged in the wire passing channel. A vertical rod is fixed to the middle of the upper end of the left handle, a guide piece is fixed to the side, away from the right handle, of the upper end of the left handle, and when the binding wire on the right handle gets close to the left handle, the guide piece can make the binding