Abstract
A mining tool (100) for a drill head (150) of a tunnel boring machine (180) for mining in rock (102), wherein the mining tool (100) has a roller cutter fastening device (104), mountable on the drill head (150), for accommodating and mounting a rotatable roller cutter (106), the roller cutter (106) for mining in rock (102) is accommodated or in particular can be interchangeably accommodated rotatably in the roller cutter fastening device (104), and a sensor arrangement (112) for detecting a mechanical load of the mining tool (100), in particular of the roller cutter (106), wherein the sensor arrangement (112) is formed at least partially in the roller cutter fastening device (104) and/or on the sleeve (177) mounted on the roller cutter (106) with at least one load-sensitive element (108) mounted thereon.
Translated title of the contribution | HIGH-PRECISION SENSORS FOR DETECING A MECHANICAL LOAD OF A MINING TOOL OF A TUNNEL BORING MACHINE |
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Original language | German |
Patent number | WO2015155124 |
IPC | E21D 9/ 00 A I |
Priority date | 8/04/14 |
Publication status | Published - 15 Oct 2015 |