Portable drilling auxiliary device
The utility model discloses a portable drilling auxiliary device, and belongs to the technical field of coal mine tunnel supporting engineering. The auxiliary device comprises a first connecting rod and a second connecting rod. One end of the first connecting rod is fixedly connected with a connecti...
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Main Authors | , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
14.02.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a portable drilling auxiliary device, and belongs to the technical field of coal mine tunnel supporting engineering. The auxiliary device comprises a first connecting rod and a second connecting rod. One end of the first connecting rod is fixedly connected with a connecting pipe, the first connecting rod is vertically and fixedly connected with the side wall of the connecting pipe, the other end of the first connecting rod is fixedly connected with a positioning pipe, and the first connecting rod is vertically and fixedly connected with the side wall of the positioning pipe; one end of the second connecting rod is vertically and fixedly connected with the side wall of the connecting pipe; and the connecting pipe is sleeved on the anchor rods in the front row of the row to be supported at the side part of the roadway. During use, the connecting pipe is sleeved on a row of anchor rods in the front of a row to be supported on the side of a roadway, the positioning pipe is adjusted to |
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Bibliography: | Application Number: CN202221906183U |