Cable vertical laying device for building construction

The utility model relates to the technical field of cable laying, in particular to a cable vertical laying device for building construction, which comprises a guide frame, the guide frame is of an inverted L-shaped structural design, a plurality of groups of guide grooves are uniformly formed in the front surface of the guide frame, and mounting plates are arranged on the front side and the rear side of the top of the guide frame. Adjusting grooves are formed in the front face of the mounting plate, speed reduction wheels are arranged above the guide frame and located on the inner side of the mounting plate, the number structure of the guide grooves corresponds to the number structure of the speed reduction wheels, and the front sides and the rear sides of the speed reduction wheels are embedded into the inner sides of the adjusting grooves. The front side and the rear side of the speed reduction wheel are rotationally connected with the mounting plate, a rotating handle is correspondingly arranged on the fro