HORIZON MONITORING FOR LONGWALL SYSTEM Russian patent published in 2019 - IPC E21C35/08 

FIELD: monitoring systems.

SUBSTANCE: group of inventions relates to a method of monitoring a longwall shearing mining machine in a longwall mining system, wherein the shearing mining machine includes a shearer having a first cutter drum and a second cutter drum, and a monitoring device for a longwall mining system. Method comprises receiving, by a processor, shearer position data including information obtained from sensors regarding at least one of a group consisting of a position of the shearer, a position of the first cutter drum, and a position of the second cutter drum. Identifying, by the processor, from the shearer position data, profile data obtained over a current shear cycle. Analysing the profile data, by means of the processor, to determine if a positioning failure occurred during the shear cycle, based on whether the profile data was within normal operating parameters during the shear cycle. Generating an alert after determining that a positioning failure has occurred during the shear cycle.

EFFECT: higher efficiency of coal mining.

22 cl, 29 dwg