Static lossless cutting inner supporting device matched with water drill and rope saw

The utility model discloses a water drill matched rope saw static lossless cutting inner supporting device which comprises a fixing base, an electric hydraulic cylinder, a fixing ring, a first connecting column, a supporting base, a first connecting hole, a first limiting column and a fixing column. By installing the electric hydraulic cylinder, the supporting base, the first connecting column, the fixing column and the first limiting column, the rope saw can support gaps generated when concrete is cut, and by starting an electric hydraulic cylinder switch on a remote control switch, the electric hydraulic cylinder drives a hydraulic rod to ascend and descend; the hydraulic rod drives the fixing ring and the first connecting column to ascend and descend, so that the two supporting seats can support the top end of a cutting gap, and the situation that due to the fact that no supporting point exists on one side of the gap during cutting, cutting is not stable, and then concrete collapses and vibrates easily to