Results 1 to 10 of about 272 (151)

Action recognition method for mine kilometer directional drilling rig

open access: yesGong-kuang zidonghua, 2022
At present, the walking and drilling operations of the mine kilometer directional drilling rig are all realized by the manual operation of drillers. The intelligence level is low.
XIANG Xueyi   +5 more
doaj   +2 more sources

Development of ZDY15000LD High Power Directional Drilling Rig

open access: yesMeikuang Anquan, 2020
To meet the needs of gas extraction, water damage prevention and detection of hidden disaster factors in the long working face of coal mine area with long distance and high efficiency, the high-power directional drilling equipment ZDY15000LD with 1 500 ...
ZHANG Rui
doaj   +2 more sources

Key technologies of 23 000 N·m large-diameter directional drilling rig

open access: yesMeikuang Anquan, 2022
According to the actual demand of high-level large-diameter directional drilling rig for underground roof in coal mine, a complete set of directional drilling rig equipment with a primary hole diameter of more than 153 mm is developed.
CHEN Zeping
doaj   +2 more sources

Narrow-body Directional Crawler Drilling Rig Used in Coal Mine

open access: yesMeikuang Anquan, 2020
For the problems that existing directional drilling rig with a large width could not drill crossing belt borehole in conventional roadway and could not use in the drilling-excavating alternately construction, a smaller crawler directional drill rig with
LI Xiaoming, HAN Jian, YAO Yafeng
doaj   +2 more sources

Design of drilling parameters monitoring system of directional drilling rig in coal mine tunnel

open access: yesGong-kuang zidonghua, 2019
In view of problems of deficiencies in real-time display and centralized storage of drilling parameters of full hydraulic directional drilling rig in coal mine tunnel, a drilling parameters monitoring system of directional drilling rig in coal mine ...
FANG Peng
doaj   +2 more sources

Intelligent electric control system design for mine horizontal directional drilling rig

open access: yesGong-kuang zidonghua, 2021
In order to solve the problems of low degree of intelligence, single function and poor safety of electric control system of domestic horizontal directional drilling rigs, an intelligent electric control system for mine horizontal directional drilling rig
LIU Zhu1   +4 more
doaj   +2 more sources

Path planning algorithm for tracked directional drilling rigs in coal mines

open access: yesGong-kuang zidonghua
In the process of path planning for tracked directional drilling rigs in coal mines, there are constraints on the body volume and the demand for driving efficiency in actual scenarios.
MAO Qinghua, YAO Lijie, XUE Xusheng
doaj   +2 more sources

Design of Double Motor Power Head of High Power Deep Hole Directional Drilling Rig

open access: yesMeikuang Anquan, 2020
To meet the demand of power head for high power deep hole directional equipment, the double motor power head was developed by combining theory with field test.
ZHANG Rui
doaj   +2 more sources

The Development of Deep Borehole Permanent-magnet Motor Direct Drive Top-Driving Drilling Rig

open access: yesProcedia Engineering, 2014
AbstractAt present, in our country the main deep drilling rigs are rotary disk drilling rig, spindle-type drilling rig and full hydraulic motor head drive drilling rig, and most of foreign drilling rig equipment are full hydraulic motor head drive drilling rigs. These rigs have many disadvantages; they cannot meet the demand of deep drilling.
Jiarong, Liu, Lingjie, Ran
exaly   +2 more sources

Application of Rubber-Wheeled directional drilling rig for probing and draining holes in coal mine

open access: yesJournal of Physics: Conference Series
Abstract In view of the requirements of dense underground water exploration and drainage holes, high hole forming accuracy, rapid drilling rig relocation and reduced labor intensity in coal mines with trackless transportation conditions, the application of rubber wheel directional drilling rigs can well meet the requirements and complete
exaly   +2 more sources

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