Supporting structure and repairing method of draught fan manhole plate

The invention relates to a supporting structure of a draught fan manhole plate and a repairing method, the supporting structure comprises an annular connecting piece, one end of the annular connecting piece in the axial direction is used for being connected with the manhole plate, and the other end of the annular connecting piece is used for being connected with a draught fan blade; and the at least one elastic supporting piece is arranged on the outer side of the annular connecting piece, the at least one elastic supporting piece is provided with a first end and a second end which are oppositely arranged, the first end is used for being connected with a fan blade, and the second end is used for being connected with the manhole plate. By means of the technical scheme, the supporting structure of the draught fan manhole plate can stably support the draught fan manhole plate, and high-altitude repairing of the draught fan manhole plate is facilitated. 本公开涉及一种风机人孔板的支撑结构及修补方法，所述支撑结构包括环形连接件，所述环形连接件在轴向上的一端用于连接人孔板，另