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He Qinghua

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Publication

Featured researches published by He Qinghua.

Archive | 2013

Combined down-the-hole hammer and construction method thereof

Qian Huanyun; He Qinghua; Zhu Jianxin; Deng Chao; Zhang Peng; Li Haijian

Archive | 2013

Pressurization control loop and method of piling machinery power head

He Qinghua; Zhu Jianxin; Zeng Su; Qian Huanyun; Zhu Zhenxing; Bai Yongan

Archive | 2003

Movable distributive continuous exploitation method for deep sea mineral resources

He Qinghua; Guo Yong; Chen Qiangen

Archive | 2003

Pile holding mechanism suitable for H-shape steel

Chen Qiangen; He Qinghua; Lin Hongwu

Archive | 2013

COMBINED DOWN-THE-HOLE HAMMER

He Qinghua; Qian Huanyun; Zhu Jianxin; Li Haijian; Deng Chao; Zhang Peng

Engineering mechanics | 2010

MECHANICS ANALYSIS OF ROTARY DRILLING RIG UNDER DRILLING-BUCKET-LIFTING CONDITIONS

Kang Huimei; He Qinghua; Xie Songyue; Zhu Jianxin

Archive | 2006

Drill rod lifting device of rotary excavating driller

He Qinghua; Zhu Jianxin; Feng Yuefei

Archive | 2004

Multi-point and equilibrium pressure type pile grasping mechanism of pile-pressing machine

He Qinghua; Zhu Jianxin; Chen Qian Gen

Archive | 2014

Over-winding prevention protective device

Zhu Jianxin; He Qinghua; Shan Baoyan; Fan Zhixiu

Archive | 2013

Piling machinery with sliding shoe devices

He Qinghua; Zhu Jianxin; Qian Huanyun; Deng Chao

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