Precast maintenance device for dewatering well
WANG HONGYAN, XIA MINGXUAN, KONG RONG, WANG RONGZHEN, ZHOU MENGSHUN, LI HU, DU HONGLIANG, WANG KAILONG, ZHANG XINGCHENG, HAN CHAOWEI, ZHAO YU
Year of Publication 28.02.2023
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Year of Publication 28.02.2023
Patent
Automatic exhaust type gear pump device for numerical control machine tool
CHANG LIANG, JIANG QINGKAI, DU HONGLIANG, LI ZHUOLUN, DONG WEI, GAO TIANXIANG, QIAO CHUAN, LU TONGCHUAN
Year of Publication 15.03.2022
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Year of Publication 15.03.2022
Patent
Low-pass and high-absorption electromagnetic functional layer
WANG JIAFU, QU SHAOBO, DU HONGLIANG, ZHANG JIEQIU, MA HUA, PANG YONGQIANG
Year of Publication 03.02.2016
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Year of Publication 03.02.2016
Patent
Novel numerical control machine ram and saddle structure using linear rolling guide rail
CHANG LIANG, JIANG QINGKAI, DU HONGLIANG, LI ZHUOLUN, DONG WEI, GAO TIANXIANG, QIAO CHUAN, LU TONGCHUAN
Year of Publication 18.02.2022
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Year of Publication 18.02.2022
Patent
Machining center spindle box structure adopting linear rolling unit guide rail
CHANG LIANG, JIANG QINGKAI, DU HONGLIANG, LI ZHUOLUN, DONG WEI, GAO TIANXIANG, QIAO CHUAN, LU TONGCHUAN
Year of Publication 18.02.2022
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Year of Publication 18.02.2022
Patent
Novel chip removal structure of numerical control machine tool
CHANG LIANG, JIANG QINGKAI, DU HONGLIANG, LI ZHUOLUN, DONG WEI, GAO TIANXIANG, QIAO CHUAN, LU TONGCHUAN
Year of Publication 11.02.2022
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Year of Publication 11.02.2022
Patent
Side hole drill rotary support machining tool machine provided with double-side main shafts
CHANG LIANG, JIANG QINGKAI, DU HONGLIANG, LI ZHUOLUN, DONG WEI, GAO TIANXIANG, QIAO CHUAN, LU TONGCHUAN
Year of Publication 11.02.2022
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Year of Publication 11.02.2022
Patent
Tool holder lifting mechanism used during tool changing of umbrella-shaped tool magazine
CHANG LIANG, JIANG QINGKAI, DU HONGLIANG, LI ZHUOLUN, DONG WEI, GAO TIANXIANG, QIAO CHUAN, LU TONGCHUAN
Year of Publication 11.02.2022
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Year of Publication 11.02.2022
Patent