Rock drilling and splitting integrated structure
The invention provides a rock drilling and splitting integrated structure. The rock drilling and splitting integrated structure comprises a drill bit power head, a splitting oil cylinder, a drill rod and a drill bit, an oil cylinder body of the fracturing oil cylinder is rotationally connected to th...
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| creator | GUO CANTING LUO CHAOKAI YANG LIQING ZHANG JUN WANG ZHILONG LUO WENLAI XIE YOUMING LUO YING PAN WEICHAO PAN GUANGZHI WANG ZHIHUI CAI WEIWEI XIE RONGBIN LI JIACAI ZHANG YANJUN BI YIQIN YANG KUN XIE ZHIGANG HUANG YU'EN YU XIAOMING |
| description | The invention provides a rock drilling and splitting integrated structure. The rock drilling and splitting integrated structure comprises a drill bit power head, a splitting oil cylinder, a drill rod and a drill bit, an oil cylinder body of the fracturing oil cylinder is rotationally connected to the oil cylinder shell; the drill rod comprises a main core rod and a drill sleeve rod which are sleeved inside and outside; the main core rod and the drill sleeve rod are respectively formed by connecting at least one section of sub-rod; a spring piece capable of expanding in the radial direction is arranged on the side wall of the sub-sleeve rod, and an inner conical surface is arranged on the inner wall of the spring piece and matched with the outer conical surface of the sub-core rod; the two ends of the drill sleeve rod are connected with the oil cylinder body and the drill bit respectively, the inner end of the main core rod is connected with the piston rod, and the piston rod pulls the main core rod to move to |
| format | Patent |
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The rock drilling and splitting integrated structure comprises a drill bit power head, a splitting oil cylinder, a drill rod and a drill bit, an oil cylinder body of the fracturing oil cylinder is rotationally connected to the oil cylinder shell; the drill rod comprises a main core rod and a drill sleeve rod which are sleeved inside and outside; the main core rod and the drill sleeve rod are respectively formed by connecting at least one section of sub-rod; a spring piece capable of expanding in the radial direction is arranged on the side wall of the sub-sleeve rod, and an inner conical surface is arranged on the inner wall of the spring piece and matched with the outer conical surface of the sub-core rod; the two ends of the drill sleeve rod are connected with the oil cylinder body and the drill bit respectively, the inner end of the main core rod is connected with the piston rod, and the piston rod pulls the main core rod to move to</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | EARTH DRILLING FIXED CONSTRUCTIONS MINING MINING OR QUARRYING |
| title | Rock drilling and splitting integrated structure |
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