检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
作 者:赵雪锋 Zhao Xuefeng(CCTEG Xi’an Research Institute(Group)Co.,Ltd.,Xi’an 710077,China)
机构地区:[1]中煤科工西安研究院(集团)有限公司,西安710077
出 处:《煤矿机械》2023年第5期116-117,共2页Coal Mine Machinery
摘 要:为提高钻机处理孔内事故的能力,给进装置采用2组给进起拔油缸,增大钻机的给进起拔力,在给进装置前、后端分别设计前、后稳固装置,同时针对多自由度变幅装置长定向钻孔施工中稳定性不足的问题,在给进装置上设计4组折叠式上下稳固装置,增强钻机长定向钻孔施工的稳定性。In order to improve the ability of the drilling rig to deal with accidents in the hole,the feeding device adopts two sets of feeding and pulling cylinders to increase the feeding and pulling force of the drilling rig,the front and rear stabilizing devices are designed at the front and rear ends of the feeding device respectively.At the same time,in view of the insufficient stability of the multiple degrees of freedom luffing device in the long directional drilling construction,four groups of folding up and down stabilizing devices are designed on the feeding device to enhance the stability of the long directional drilling construction of the drilling rig.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:3.143.110.165