Rapid blanking device for bridge steel strand

A bridge steel strand rapid blanking device belongs to the technical field of bridge prestress construction and comprises a movable steel body frame, the top of the steel body frame is detachably connected with a rainproof assembly, a steel strand is fixed in the steel body frame through a connecting assembly, the steel body frame is further provided with a cutting machine, the cutting machine is arranged at the wire outlet end of the steel strand, and the cutting machine is connected with the rainproof assembly. A distance measuring instrument is arranged below the wire outlet end of the steel strand and comprises two symmetrically-arranged erecting plates, and a tape capable of rotating circumferentially is arranged between the two erecting plates. The device can be moved, and the blanking length can be directly measured by using a range finder, so that the construction efficiency is improved, and the time waste is reduced. Meanwhile, the rainproof assembly can effectively prevent the steel strand from bein