Variable-diameter rotary working disc of oversized heat treatment equipment suspended rotary tool

The utility model relates to the technical field of heat treatment processing, and discloses a variable-diameter rotary working disc of a suspended rotary tool of oversized heat treatment equipment, which comprises a rotary working disc and movable telescopic sliding blocks uniformly distributed on the rotary working disc and moving in the radial direction of the rotary working disc. The distances from the movable telescopic sliding blocks moving in place to the center of the rotary working table are equal, the horizontal positions of the tops of the movable telescopic sliding blocks are equal in height, and bolts and studs for fastening the movable telescopic sliding blocks and the rotary working disc are arranged on the movable telescopic sliding blocks. The quenching device can be used for carrying out surface quenching processing on a large-diameter heavy-load workpiece, and is reasonable in structure, good in quenching quality effect, low in production cost and long in service life. 本实用新型涉及热处理加工技术领域，公开的一