Auxiliary tool for flange hoisting

The utility model provides an auxiliary tool for hoisting a flange, which comprises a foundation plate, the foundation plate is used for being placed on the edge of one surface of the flange, the foundation plate is attached to the plate surface of the flange, the foundation plate is further provided with a suspension arm, and the suspension arm is provided with a hoisting hole; the at least two connecting bolts are respectively arranged in the connecting holes in the plate surfaces of the foundation plates on the two sides of the suspension arm, one end of each connecting bolt further penetrates through the tool hole in the plate surface of the flange corresponding to the connecting hole, and the end, extending out of the tool hole, of each connecting bolt is further connected with a nut. According to the utility model, the foundation plate with the suspension arm is fixedly arranged on the plate surface of the flange through the connecting bolt by utilizing the tooling hole in the flange, and the lifting ho