Connecting shaft device for movably connecting dustpan claw and rocker arm of coal feeder
ZHANG WAN, XU QIAN, YANG WEI, LI HONGYI, QIU HAIBING, LUO JINJIE, ZHAO YONG, MA LONGFEI, WANG PENGJIAO, NIU YONGJIANG, XU FENG
Year of Publication 08.09.2023
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Year of Publication 08.09.2023
Patent
Quick mounting device for mining monorail crane anchor rod and lifting appliance
RONG QIANKUN, LI JUN, SONG ZUOWEN, ZHAO HUAIWEI, NIU YONGJIANG, FAN YANG
Year of Publication 08.12.2020
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Year of Publication 08.12.2020
Patent
Belt conveyor deviation and tearing resistant device
HAO HAIJUN, LIU WEI, MIAO QIANG, BAO YUEHUA, YAO FEI, LI JIANBIN, NIU YONGJIANG
Year of Publication 10.06.2015
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Year of Publication 10.06.2015
Patent
Novel explosion-proof junction box
WEN JIANJUN, WANG XIAOHONG, MIAO QIANG, BAO YUEHUA, LI JIANBIN, NIU YONGJIANG
Year of Publication 29.04.2015
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Year of Publication 29.04.2015
Patent
Coal mine inclined roadway coal wall top plate water detecting and draining automatic discharging system
WANG XIAOHONG, ZHANG WAN, CUI TAO, GAO HUIQING, SI ZHENHONG, REN JIANYE, NIU YONGJIANG
Year of Publication 08.11.2019
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Year of Publication 08.11.2019
Patent
Cleaning equipment for accumulated coal at bottom of main conveying belt
WEI KE, MIAO QIANG, SHEN HUIBIN, YAN JUN, REN JIANYE, SHEN SHANGUANG, FENG SHUBING, XU FENG, NIU YONGJIANG, LI TAO
Year of Publication 29.12.2020
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Year of Publication 29.12.2020
Patent
Cleaning device for coal accumulation at bottom of main transport belt
WEI KE, MIAO QIANG, SHEN HUIBIN, YAN JUN, REN JIANYE, SHEN SHANGUANG, FENG SHUBING, XU FENG, NIU YONGJIANG, LI TAO
Year of Publication 19.06.2020
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Year of Publication 19.06.2020
Patent
High-voltage switch cabinet high-voltage power supply voltage loss automatic breaking protection device
CHANG AIJUN, FENG JIANGSHENG, JIN JIANPING, SONG ZUOWEN, WU ZENGMING, LIU JIANHUA, XU ZHIQIANG, HAO WENQING, CAO AIMIN, PANG HAIQING, NIU YONGJIANG, SUN BUGUAN
Year of Publication 07.01.2015
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Year of Publication 07.01.2015
Patent
End belt is taken coal back to and is prevented a roll deadlock tail alarm device
LI YANAN, LI JUN, CHANG QING, SONG ZUOWEN, LIU JIANHUA, FENG SHUBING, NIU YONGJIANG
Year of Publication 04.01.2019
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Year of Publication 04.01.2019
Patent
Colliery is switch intelligent human machine dialogue control system in pit
WANG GANG, LIU PENG, ZHANG XUBO, WANG YONGLI, FAN YANBO, YAN JUN, WANG RUITANG, LIU JIANHUA, FENG SHUBING, NIU YONGJIANG
Year of Publication 12.06.2018
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Year of Publication 12.06.2018
Patent
Starter electric leakage detection hunting circuit
GUO KAIFEI, FENG JIANGSHENG, WU ZENGMIN, FENG YUHAN, FENG LI, XU ZHIQIANG, CAO AIMIN, SUN BUGUAN, CHANG AIJUN, SONG ZUOWEN, GUO QINGLING, LIU JIANHUA, FENG LEI, NIU YONGJIANG
Year of Publication 28.01.2015
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Year of Publication 28.01.2015
Patent
High-voltage switch cabinet low-voltage power supply voltage loss automatic breaking protection device
CHANG AIJUN, FENG JIANGSHENG, SONG ZUOWEN, WU ZENGMING, LIU JIANHUA, LI BIN, LIU XIJUN, CAO AIMIN, GUO BO, PANG HAIQING, WANG SHENGZHUANG, NIU YONGJIANG
Year of Publication 07.01.2015
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Year of Publication 07.01.2015
Patent
Underground diaphragm wall construction structure and construction method
LIU JIPENG, LI PENGHUI, ZOU SIPENG, HE XIAOSONG, PANG QIANFENG, GAO SHAOPENG, XU XIAOYAN, GAO YANWEI, ZHANG MINGRUI, NIU YONGJIANG
Year of Publication 26.03.2019
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Year of Publication 26.03.2019
Patent
Cable seal ring hole cutting device
WANG XIAOHONG, CUI YUJIAN, CAO AIMIN, ZHANG RUISHENG, GUO RUI, NIU YONGJIANG
Year of Publication 22.03.2017
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Year of Publication 22.03.2017
Patent