Permanent and temporary combined steel mould structure for reinforcement of hole formed in beam web

The utility model belongs to the technical field of building structures, and discloses a permanent and temporary combined steel mould structure for reinforcement of beam web holing, which comprises a steel mould box with a front opening and a rear opening, a stiffening plate is arranged in the center in the steel mould box, the steel mould box is poured in an original beam in a midspan mode, and main reinforcements longitudinally penetrating through the original beam are respectively distributed on the upper portion and the lower portion of the steel mould box at intervals. A stiffening plate extending in the opening direction is arranged in the center of the interior of the steel die box and fixedly connected with the inner side wall of the steel die box, and connecting ribs extending outwards and fixed to waist ribs and/or stirrups in an original beam are arranged on the outer side wall of the steel die box at intervals. And bolt connecting pieces which can be fixedly connected with outside equipment are ar