Roof temperature deformation joint structure of steel structure building

The invention provides a steel structure building roof temperature deformation joint structure and relates to the technical field of steel structure buildings, the steel structure building roof temperature deformation joint structure comprises a cover plate and a base, the cover plate is herringbone, a first connecting plate and a second connecting plate are symmetrically arranged below the cover plate, the first connecting plate is of a telescopic structure, and the top of the first connecting plate is slidably connected with the cover plate; the top of the second connecting plate is fixedly connected with the cover plate; the number of the bases is two, the bases are in an inverted L shape and are symmetrically arranged below the cover plate, the bottom of the first connecting plate and the bottom of the second connecting plate are slidably connected with the tops of the corresponding bases correspondingly, a first waterproof structure is arranged between the tops of the two bases, and ...