US 12,442,298 B2
Bolter miner and tunneling system
Hong Wang, Shanxi (CN); Bukang Wang, Shanxi (CN); Dejun Song, Shanxi (CN); Kai Ma, Shanxi (CN); Jianwei Jia, Shanxi (CN); Yongcheng Ding, Shanxi (CN); Xiaofeng Zhang, Shanxi (CN); Faquan Li, Shanxi (CN); Qiang Ma, Shanxi (CN); Yanhua Qiao, Shanxi (CN); Ningning Wang, Shanxi (CN); Gehui Xie, Shanxi (CN); Feng Liu, Shanxi (CN); Sen Xu, Shanxi (CN); Qiang Zhang, Shanxi (CN); Qinghe Chen, Shanxi (CN); Hao Wang, Shanxi (CN); Dong Song, Shanxi (CN); Xuerui Zhang, Shanxi (CN); Weijian Qiu, Shanxi (CN); Mingjun Chen, Shanxi (CN); Xiaoli Ren, Shanxi (CN); Shengyuan Sang, Shanxi (CN); Jiquan Liu, Shanxi (CN); Xiaojing Peng, Shanxi (CN); Peng Li, Shanxi (CN); and Jingong Ma, Shanxi (CN)
Assigned to CCTEG TAIYUAN RESEARCH INSTITUTE, Shanxi (CN); and SHANXI TIANDI COAL MINING MACHINERY CO., LTD., Shanxi (CN)
Appl. No. 18/554,949
Filed by CCTEG TAIYUAN RESEARCH INSTITUTE, Shanxi (CN); and SHANXI TIANDI COAL MINING MACHINERY CO., LTD., Shanxi (CN)
PCT Filed May 27, 2022, PCT No. PCT/CN2022/095785
§ 371(c)(1), (2) Date Oct. 11, 2023,
PCT Pub. No. WO2023/077784, PCT Pub. Date May 11, 2023.
Claims priority of application No. 202111315963.7 (CN), filed on Nov. 8, 2021.
Prior Publication US 2024/0200451 A1, Jun. 20, 2024
Int. Cl. E21B 44/00 (2006.01); E21B 7/02 (2006.01); E21B 19/083 (2006.01); E21B 19/084 (2006.01); E21C 25/10 (2006.01); E21C 35/20 (2006.01); E21C 35/24 (2006.01); E21C 41/18 (2006.01); E21D 20/00 (2006.01)
CPC E21D 20/003 (2013.01) [E21B 7/022 (2013.01); E21B 19/083 (2013.01); E21B 19/084 (2013.01); E21B 44/00 (2013.01); E21C 25/10 (2013.01); E21C 35/20 (2013.01); E21C 35/24 (2013.01); E21C 41/18 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A bolter miner, comprising:
a rack;
a cutting device arranged on the rack and being swingable in an up-down direction, wherein the cutting device comprises a lowest swing angle, at which the cutting device is configured to cut coal rock at a bottom of a working face in a rock formation, and comprises a highest swing angle, at which the cutting device is configured to cut coal rock at a top of the working face;
a drilling device arranged on the rack and comprising a drilling rig and a sensor electrically connected to the drilling rig, wherein the drilling rig is configured to drill at least one of a tunnel floor or a tunnel roof, and the sensor is configured to monitor set parameters of the drilling rig and to generate a monitoring data signal when the drilling rig is drilling, wherein the set parameters are related to properties of the rock formation; and
a control device, to which the sensor is electrically connected, wherein the control device is configured to receive and analyze the monitoring data signal; when the drilling rig is drilling the tunnel floor by a first thickness, the control device is configured to reduce the lowest swing angle in response to the monitoring data signal being greater than a first threshold; and when the drilling rig is drilling the tunnel roof by a second thickness, the control device is configured to reduce the highest swing angle in response to the monitoring data signal being greater than a second threshold, wherein the first threshold is a numerical parameter corresponding to a propulsion force of the drilling rig when breaking through an interface between a coal seam and a rock stratum below the coal seam, and the second threshold is a numerical parameter corresponding to a propulsion force of the drilling rig when breaking through an interface between the coal seam and a rock stratum above the coal seam.