1Research on Heat Dissipation Technology of Traction Frequency Converter Base Plate of High-power ShearerHUANG Guangzhong, ZHUANG DeyuDesign and Research1-42Analysis on Improvement of Channel Structure of Shearer Drum Tooth SeatJIA Siran, EN Jianfeng, HUANG Qiulai, MA ZiyaoDesign and Research5-7,283Test of Forced Cooling System for Driving Axle of Mine Explosion-proof VehicleQIU BoDesign and Research8-124Stability Analysis of Two-stage Rocker Short-wall Shearer with Large Mining HeightHU JingDesign and Research13-15,335Research on Synchronous Following Technology of Crawler Car of Open-air Transverse Belt ConveyorWEI Zhenhua, FU YangDesign and Research16-196Closed Loop Control Design of Cutting and Pushing of Full Section Rectangular RoadheaderYUE YajunDesign and Research20-237Development of A Mobile Phone APP for ShearerQIAN JiangyongDesign and Research24-288Transient Dynamic Analysis of Grilled Mechanism of Drill LoaderYIN Zhonghui, ZHU Jiming, YANG Peng, TAO YongqingDesign and Research29-339Equal Torque Distribution Differential Technology of Explosion-proof Vehicle Based on Dual Motor DriveCHANG YinghuiIssue Discussion34-37,4210Research Progress on Safety Protection Device of Trackless Rubber Tyred Vehicle in Inclined Shaft of Coal MineDANG Wenlong, WEI Chenhao, MA Xiao, JING Xinrui, GAO Yike, YANG Dan, XUE Weifeng, LI MaoqingIssue Discussion38-4211Application of Radar in Anti-collision System of Coal Truck TransportationWANG Bojun, GUO Dongdong, SUN DingdingIssue Discussion43-4712Multifunctional Automatic Control Technology of Mining Concrete PumpZHU Changjun, LI Bin, LI Tao, CAO Hongxu, WANG Qinsheng, LEI SijieIssue Discussion48-5213Analysis and Treatment of Unloading Problem of Swinging Telescopic Chute in Loading SystemGUO Dongdong, WANG Bojun, SUN DingdingIssue Discussion53-56,6314Layout and Stability Analysis of Large-span Cutting Holes in Extra Thick Lower Coal Seam of Deep WellXU Jingguo, LIU Jiapeng, WANG Weiqin, HU LiefeiIssue Discussion57-6315Wireless Temperature Monitoring and Thermal Fault Early Warning Technology of High Voltage SwitchgearLI XuejuanTechnical Practice64-6716Design and Research of Laminated Busbar in Mine InverterHE HanbingTechnical Practice68-71,8217Quality Status and Fault Analysis of Hydraulic Support Laboratory TestKANG Yingchun, MA QiangTechnical Practice72-7618Structural Design of ABionic Jellyfish Robot for Mine Water Disaster MonitoringGAO ZhenbangTechnical Practice77-79193D Modeling Technology Accurately Guides Coal Bunker ConstructionSUN DongliangTechnical Practice80-82 