Design of large diameter drill pipe loading and unloading device for coal mine tunnel drilling rig

According to the characteristics of large-diameter drill pipe, such as large volume, heavy weight and large quantity used in the drilling process, a large-diameter drill pipe loading and unloading device for coal mine tunnel drilling rig was developed. The paper introduces the scheme formulation of...

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Bibliographic Details

Published in:	Meikuang Anquan
Main Author:	LIU Zhi
Format:	Article
Language:	Chinese
Published:	Editorial Office of Safety in Coal Mines 2022-05-01
Subjects:	large diameter drill pipe loading and unloading device manipulator drill pipe bracket drill pipe bundle drill pipe rubbing device
Online Access:	https://www.mkaqzz.com/cn/article/id/7952