A instrument for dismouting hydro -cylinder

The utility model relates to a assembly and disassembly tools field discloses an instrument for dismouting hydro -cylinder, and it includes handle, support arm, first regulating arm and second regulating arm, the support arm with handle fixed connection, first regulating arm rotate and connect on the support arm to through the relative position of the fixed first regulating arm of first location portion with the support arm, the second regulating arm rotates to be connected on the support arm, and through the relative position of the fixed second regulating arm of second location portion withthe support arm, through the position of adjusting first regulating arm and second regulating arm, makes first regulating arm and second regulating arm be the contained angle of a constant angle degree, can satisfy different disassembly hole's pitch -row, the adoption is established the first bolt served in the swing of first regulating arm and is established the second bolt that the swing on thesecond regulating arm serv