Edge surrounding device for marine low-speed diesel engine platform channel and fixing method of edge surrounding device

The invention relates to a surrounding edge device for a marine low-speed diesel engine platform channel and a fixing method thereof, the surrounding edge device comprises a lower surrounding edge, a top surrounding edge and a fixed connecting piece, and the fixed connecting piece comprises a buckle, a nut and a bolt; the two ends of the upper surrounding edge and the lower surrounding edge of the marine low-speed diesel engine are connected with the angle steel connecting pieces through bolts in an assembly test run operation site, the marine low-speed diesel engine is located on the lower portion and close to the plane of the platform channel, the top surrounding edge is fixed to the tops of the angle steel connecting pieces through the fixing connecting pieces, and the top surrounding edge and the lower surrounding edge form a fence for conducting safety protection on the platform channel. When the marine low-speed diesel engine arrives at a shipyard and is installed in the engine room, the top surrounding