Development and Application of Lightweight Coring Drilling Rig in Tunnel

被引：0
|
作者：
Fan, Dong [1 ]
Tian, Hongliang [1 ]
Wang, Ruize [1 ]
机构：
[1] Xian Res Inst, China Coal Technol & Engn Grp, Xian 710077, Shaanxi, Peoples R China
来源：
2019 5TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY RESOURCES AND ENVIRONMENT ENGINEERING (ICAESEE 2019) | 2020年 / 446卷
关键词：
D O I：
10.1088/1755-1315/446/5/052005
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper introduces ZDY1200G lightweight underground drilling rig. The feeding device was designed with light alloy material and the deformation of the fuselage was measured by 3D DIC speckle deformation measurement. A high-speed gyrator with large through hole for hard rock coring was designed. A hydraulic system based on constant pressure variable displacement pump was developed, which included feed linkage and rotary linkage. The drilling rig has been applied in the Cangyuan lead-zinc mine in Yunnan Province. A rope coring drilling hole with 512.68 m depth and 76 mm diameter has been completed. The reliability and technological advancement of the whole set of equipment have been verified, which provided technical support for the exploration of the Cangyuan lead-zinc mine and also mining areas with similar conditions.
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页数：6
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