Abstract
In view of the fact that the mature eddy current sensors on the market have a small measuring range and a certain requirement for the measured conductor area, which cannot meet the requirement of TBM disc cutter Wear monitoring, Ansoft Maxwell simulation was used to optimize the coil geometry parameters and circuit structure of eddy current sensor in this study. A special sensor for measuring disc cutter wear was designed, and the feasibility of the design was verified by measuring a 17-inch disc cutter. The results indicate that the linear range of the eddy current sensor is 35 mm under the condition that the measured blade width is 19 mm, which can meet the requirement of disc cutter wear measurement and provide monitoring data for real-time disc cutter wear monitoring system.
Highlights
A Tunnel Boring Machine (TBM) is a set of mechanical equipment which integrates the functions of excavation, slag removal, lining and control [1]
Inthe thecase caseof ofinsufficient insufficientmeasured measuredarea, area,aaalarge largerange range and eddy current sensor was designed to detect the wear of cutter ring
Relevant research shows that eddy current sensor has requirements for the measured material cutter in the laboratory, a 17-inch constant cross-section cutter was measured for this experiment in and area
Summary
A Tunnel Boring Machine (TBM) is a set of mechanical equipment which integrates the functions of excavation, slag removal, lining and control [1]. Most of the relevant research are in the process of scientific study and exploration, mainly focusing on the patented structure and prediction of wear measurement, but no cutter wear monitoring device has been found to be applied in actual tunnel engineering. Considering installationdistance distancebetween betweeneddy eddycurrent currentsensor sensor and and cutter ring, Considering thethe installation ring, the the measurement range of eddy current sensor needs to reach. Inthe thecase caseof ofinsufficient insufficientmeasured measuredarea, area,aaalarge largerange range and eddy current sensor was designed to detect the wear of cutter ring. 17-inch eddy current used to measure cutter to verify the feasibility of the design and eddycurrent currentsensor sensorwas wasused usedto tomeasure measurethe.
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