1Development of Serpentine Steel Flex CouplingYANG XiaojunDesign and Research1-3,172Test and Design Method of Underground Vehicle Cabin Safety Protection Structure in Coal MineWANG ZhiweiDesign and Research4-83Design of Automatic Fire Extinguishing System of Mine Explosion-proof VehicleCHANG YinghuiDesign and Research9-114Design of on Remote Monitoring System of Shearer Based on CAN BusLIU Geng, LI Junke, XUE ZhiguoDesign and Research12-145Design of Shearer Raising System Based on Triplex Gear PumpWEI ShengDesign and Research15-176Design of Four-wheel Simultaneous Inspection Brake for Explosion-proof Rubber Tyred VehicleWANG SuhuiDesign and Research18-20,247Design Analysis and Verification of Key Mechanism of Hydraulic Anchor DrillCHEN Guofan, CAO YujieDesign and Research21-248Influence of Bearing Clearance on Floating Seal of Shearer Cutting SectionKAN Jinbiao, CAO Yang, LI HuiIssue Discussion25-299Analysis and Countermeasures on the Accuracy of Ultrasonic TOF measurement Influenced by Sampling FrequencyBAI SizhongIssue Discussion30-3510Cutting Simulation of Tunnel Boring Machine for Special Shaped Section Based on UE5CAO YUIssue Discussion36-3911Study on Support Resistance of Hydraulic Support in Fully Mechanized Mining Face in Goaf of Short Distance Coal SeamYANG JianxinIssue Discussion40-4212Study on the Height of Composite Water-conducting Fracture Zone in the Downstream Mining Working Face of Short Distance Coal SeamYANG Zhixiang, ZHANG ShuaiIssue Discussion43-45,5113Application of Intelligent Power Supply System for Driving FaceXIE Xiaodong, GUO Gang, YANG PengliIssue Discussion46-5114Application of Intelligent EBZ260 Tunneling MachineLI Gang, XU Chen, ZHANG TaoTechnical Practice52-5515Construction and Practice of 30204 Intelligent FaceLIU HaishengTechnical Practice56-5816Design of A New Type Belt Conveyor of Three-position Head Expansion DeviceMAN YongmeiTechnical Practice59-6117Application and Practice of Pneumatic Monorail Crane in Large Inclined Mechanized Working Face of Huashan Coal MineHUANG Zhengping, LIANG Guodong, WANG Gang, ZHONG Jun, YANG MingTechnical Practice62-64 