Hu Shaoyun, Zhao Xueshe, Yao Ningping, Tian Hongliang, Ma Shenqi. DEVELOPMENT OF ENGINEERING DRILLER OF GY-15 TYPE WITH FULL-HYDRAULIC DYNAMIC HEAD[J]. COAL GEOLOGY & EXPLORATION, 1998, 26(S1): 63-65.
Citation: Hu Shaoyun, Zhao Xueshe, Yao Ningping, Tian Hongliang, Ma Shenqi. DEVELOPMENT OF ENGINEERING DRILLER OF GY-15 TYPE WITH FULL-HYDRAULIC DYNAMIC HEAD[J]. COAL GEOLOGY & EXPLORATION, 1998, 26(S1): 63-65.
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DEVELOPMENT OF ENGINEERING DRILLER OF GY-15 TYPE WITH FULL-HYDRAULIC DYNAMIC HEAD

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  • The engineering driller of GY 15 type with full-hydraulic dynamic head is a new tpye of drilling equipment for foundation pile,develped by our institute based on the market demand and combined with the superiority of developing the driller with full-hydraulic dynamic head by ourselves for many years. This paper introduces briefly the structures, test situations and main technical parameters of this type of driller.
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