SUSPENSION AND GUIDANCE APPARATUS FOR TOOL RELATIVE TO A MILL

摘要

An apparatus for suspending and guiding at least first and second linerbolt removal tools externally of a grinding mill. The first linerbolt removal tool is associated with a first carriage assembly and used for knocking out linerbolts on a cylindrical main body portion of the mill. The second linerbolt removal tool is associated with a second carriage assembly and used for knocking out linerbolts on a frusto-conical end portion of the mill. Each of the first and second carriage assemblies providing no more than three degrees of freedom to their respective first and second linerbolt removal tools, and wherein at least one of the degrees of freedom is angular movement about the axis of rotation of said mill.