ACCESSORY FOR HEATING DEVICE; HEATING DEVICE; HEAT TREATMENT DEVICE AND HEATING METHOD Russian patent published in 2015 - IPC C21D9/40 C21D1/42 H05B6/44 

FIELD: heating.

SUBSTANCE: accessory for supporting of a ring-shaped workpiece for its transportation and heating by a heating device includes a central assembly, a rotating drive mechanism located in the central assembly and a workpiece support. The support is connected to the central assembly and has a possibility of the workpiece location on the support and enveloping the central assembly. The support includes several rotating rollers located in a circumferential direction around the central assembly. The central assembly includes a transporting connecting section intended for suspension of the workpiece support together with the workpiece arranged on the support, a drive connecting section transmitting a traction force to the rotating drive mechanism and a rotating drive mechanism intended for rotation of rollers by means of traction force to ensure rotation of the workpiece in the direction of the ring-shaped workpiece. The heating device for heating of the ring-shaped workpiece includes a loading section in which a workpiece is installed on the accessory, a heating section containing a heater intended for heating of the workpiece installed on the accessory, a forwarding mechanism intended for transportation of the accessory in a suspended state between the loading section and the heating section. The transporting connecting section is connected to the forwarding mechanism.

EFFECT: simpler heat treatment process of ring-shaped workpieces.

15 cl, 18 dwg