Supporting device of underground roadway supporting drilling machine and using method of supporting device
LIU YAN, DONG GUIFENG, BO FULI, WANG JUN, MAO QINGFU, XIN GUANGMING, DING HOUGANG, HAN JIANYONG, ZHAO NANNAN, WU SHENGZHI
Year of Publication 29.09.2023
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Year of Publication 29.09.2023
Patent
Detection device for deformation of roof of roadway head-on to-be-supported area and control method
LIU YAN, DONG GUIFENG, BO FULI, WANG JUN, MAO QINGFU, XIN GUANGMING, DING HOUGANG, HAN JIANYONG, ZHAO NANNAN, WU SHENGZHI
Year of Publication 04.04.2023
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Year of Publication 04.04.2023
Patent
Automatic two-dimensional similar material paving device
DONG GUIFENG, LI GUANGQIANG, FU ZIQUN, WANG ENCHAO, ZHU DONGFANG, ZHANG CHENGXIANG, KADO ERI, LI WENXIN, JIA DONGXIU, CHEN JUNTAO
Year of Publication 17.02.2023
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Year of Publication 17.02.2023
Patent
Coal mine work order identification method based on image processing
LIU JIPENG, WANG SHUAI, DONG GUIFENG, LU FEI, LIAN TAO, ZHANG SHULEI, LIU FANG, LI QIANG, TIAN ZHAOLONG, HAN QING
Year of Publication 29.11.2022
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Year of Publication 29.11.2022
Patent
Coal quality detection method based on image data
LIU YAN, DONG GUIFENG, GAO XUELIANG, XIN GUANGMING, WANG LAIBIN, LI JING, XU HENG, LIU ZHEN, LEE YOON-TAN, HE JIANXIN
Year of Publication 22.11.2022
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Year of Publication 22.11.2022
Patent
Roadway shape measuring device
LIU YAN, DONG GUIFENG, BO FULI, WANG JUN, MAO QINGFU, XIN GUANGMING, DING HOUGANG, HAN JIANYONG, ZHAO NANNAN, WU SHENGZHI
Year of Publication 22.11.2022
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Year of Publication 22.11.2022
Patent
Anchor cable drilling machine bracket for supporting coal mine tunnel
LIU YAN, DONG GUIFENG, BO FULI, WANG JUN, MAO QINGFU, XIN GUANGMING, DING HOUGANG, HAN JIANYONG, ZHAO NANNAN, WU SHENGZHI
Year of Publication 18.11.2022
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Year of Publication 18.11.2022
Patent
Pressurized welding expansion device
LI YINHAI, YU WEIWEI, ZHANG CHUNCHAO, DONG GUIFENG, PAN CHUNQING, LI JUN, YANG HONGXIA, ZHONG BIN
Year of Publication 02.02.2011
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Year of Publication 02.02.2011
Patent
Blowout prevention box of wearable packing
DONG GUIFENG, SUN YUFEI, LI JUN, CAO XIA, DONG GUIYING, SONG BAOYU, GUO XIUSHUANG, GAO ZIXING, GUAN TAIMIN, JIA FULIN
Year of Publication 03.11.2010
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Year of Publication 03.11.2010
Patent
Convenient bearing dismounting device
GAO YAQUAN, GAO CHANG, DONG GUIFENG, LIU JISHENG, SUN YUFEI, XUE XIUYAN, ZHAO QIANQIAN, DONG GUIYING, SONG BAOYU, LIU LI
Year of Publication 03.11.2010
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Year of Publication 03.11.2010
Patent