Design of equipment continuously loading and unloading drill rod on gas drainage drilling rig
For the problem that existing gas drainage drilling rig usually caused coal particles to heap in drilled hole, hole wall to collapse and further accidents such as drill rod fracturing, drilling tool losing, drilled hole being unavailable and so on because of frequent start-stop, a new type of equipm...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Industry and Mine Automation
2018-02-01
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| Series: | Gong-kuang zidonghua |
| Subjects: | |
| Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2017070019 |