Aluminum plate expansion joint based on dry hanging stone

The utility model relates to an aluminum plate expansion joint based on dry hanging stone, which comprises a left structure wall body, a right structure wall body and an expansion joint, a left side dry hanging stone inner wall is arranged on the outer side of the left structure wall body, and a right side dry hanging stone inner wall is arranged on the outer side of the right structure wall body. An aluminum plate expansion joint device is arranged between the left dry-hanging stone inner wall and the right dry-hanging stone inner wall and comprises a left bent aluminum plate, a right bent aluminum plate, a flexible waterproof rubber plate, a left steel corner brace, a right steel corner brace, a middle cross beam and a cross beam corner brace. The flexible waterproof rubber plate has a certain telescopic performance, and the overall waterproof sealing effect of the flexible waterproof rubber plate cannot be affected by thermal expansion and cold contraction of the expansion joints; the left bent aluminum pl