1Study on the Speed Regulation Mechanism of Permanent Magnet Asynchronous Magnetic CouplingZHU Jinlong, HU Kun, WANG Pengyu, ZHANG XingyaDesign and Research1-4,132Application and Research on Wet Dust Removal System in Continuous ShearerLI JianchangDesign and Research5-73Development of Height Adjustment Valve Set for Thin Coal Seam ShearerGE HongbingDesign and Research8-94Design and Application of Fully-Automatic Chain Disk FeederLIU Changjun, DING Peipei, LAN Jianzeng, SUN ChaoDesign and Research10-135Development and Application of Diesel Engine Starting System for Explosion-Proof VehiclesLI WenjunDesign and Research14-15,186Design of Bidirectional Ball Screw Structure for Automatic Winding DeviceCHEN QingheDesign and Research16-187Design of Drilling Cutter in Tunnel with Special-Shaped SectionPENG Jun, CHEN Genlin, CHEN Milong, XU TaoDesign and Research19-228Design of Explosion-Proof Battery Multi-Function Vehicle for MineQIU Weijian, WANG YichaoDesign and Research23-259Design of WLR-4 Mine Explosion-Proof Lithium Ion Battery Trackless Rubber Tyred VehicleZHU TongmingDesign and Research26-2910Design of Stroke Controller in Mine Hoisting System Based on Position Closed Loop ControlSUN ZumingDesign and Research30-3211Configurable Design of Hydraulic Support ControllerGAO WeiyongDesign and Research33-3512Discussion of Sensor Type Selection for Underground Electric Control System in Coal MineWANG JingIssue Discussion36-3813Identification Method of Mine Inrush Water Source Based on ELMTANG LiliIssue Discussion39-41,4514Fault Diagnosis of Mine Ventilator Based on Dual Discourse Domain Vague Rough SetSONG DongIssue Discussion42-4515Experimental Study on Refrigerant R22 Replaced with R407C in Mine Water Chilling Unit ZLS-500SUN ZhilinIssue Discussion46-48,5116Matching Analysis of Explosion-Proof Diesel Engine and Hydraulic Torque ConverterHAO ZhijunIssue Discussion49-5117Kinematics Simulation of the Cutting and Loading Effect for a Small Cutter Plate Based on 3DMAXXU Tao, WANG Haiyan, PENG Jun, CHEN GenlinIssue Discussion52-54,5818Dynamic Simulation Analysis of Traction Mechanism on ShearerYUAN ShuangxiIssue Discussion55-5819Mechanical Calculation of Chain Conveyor Sprocket Based on Finite Element MethodYANG Yang, ZHANG YueIssue Discussion59-61,6520Study on the Co-Working Characteristics of Explosion-Proof Engine and Hydraulic Torque ConverterYU JianhuaIssue Discussion62-65 