TOOL SUPPORT FOR CUTTING HEADS Russian patent published in 2018 - IPC E21C27/24 E21C35/18 

FIELD: mining.

SUBSTANCE: group of inventions refers to the field of mining, in particular to a replaceable tool support for modular cutting heads. Cutting head includes a base piece with an axis of rotation and a plurality of removable tool supporters. Each tool holder includes an annular body, having a first end face and a second end face, located opposite to the first end face, plurality of cutting bit holders spaced apart from each other on the first end face and configured to support rotation of one of the plurality of cutting bits and, at least one slot of the tool support located on the first end face or on the second end face of the annular body, configured to engage at least one protrusion of an adjacent tool support, and / or at least one protrusion of the tool support, passing from the first end face or the second end face of the annular body, configured to engage at least one slot of another adjacent tool supply.

EFFECT: technical result is a decrease in the idle time of the cutting machine.

16 cl, 15 dwg