Side wall formwork supporting structure for large reserved hole of station

The utility model provides a side wall formwork supporting structure for a large reserved hole of a station. The supporting structure comprises a plurality of triangular supports arranged on the rearside of the side wall formwork in parallel in the longitudinal direction and support supporting pieces arranged on the rear sides of the triangular supports. Each support supporting piece is composedof a steel enclosing purlin arranged above the corresponding reserved hole, a supporting plate welded to the top of the steel enclosing purlin and a steel support arranged on the rear side of the steel enclosing purlin, the supporting plates make close contact with rear supporting points of the corresponding triangular supports, one end of the steel support is tightly attached to the steel enclosing purlin, and the other end of the steel support abuts against the hole edge beam. The side wall formwork reinforcing device is simple in structure and convenient to construct, achieves rapid reinforcement of the side wall fo