HIGH-PRECISION SENSOR EQUIPMENT FOR SETTING MECHANICAL LOAD OF EXTRACTION TOOL OF DRILLING TUNNEL BORING MACHINE

摘要

A mining tool for a drill head of a tunnel boring machine for mining in rock includes a roller cutter fastening device. The roller cutter fastening device is mountable on the drill head for accommodating and mounting a rotatable roller cutter. The roller cutter is interchangeably and rotatably received in the roller cutter fastening device. A sensor arrangement for detecting a mechanical load of the roller cutter is formed at least partially in the roller cutter fastening device and includes at least one load-sensitive element.