Tool for disassembling floating-ring seal and shaft sleeve

The utility model provides a tool for disassembling a floating-ring seal and a shaft sleeve. The tool comprises a support cover, a displacement measurement instrument and a fixing screw, wherein the support cover is provided with an inner thread, a plurality of screw holes are arranged on the end face of the support cover evenly, the end surface of the support cover is uniformly provided with a plurality of through hole, the displacement measurement instrument is arranged in one of the plurality of through holes, a horizontal screw hole is formed on the side face of the support cover and crosses with the through hole in which the displacement measurement instrument is arranged, the fixing screw is installed in the horizontal screw hole and pushes against the displacement measurement instrument so that the displacement measurement instrument is fixed on the support cover, the support cover can be connected to the shaft sleeve or is provided with a bolt and a screw so as to conveniently and quickly take out a f