FIELD: mining, particularly mine bolting.
SUBSTANCE: bolt comprises load-bearing rod with support head eccentrically arranged at well bottom. Bush of powder material is eccentrically installed on load-bearing rod. Bush pore space is filled with elastic binding material. Support member is installed inside bush and made as resilient wire wound around load-bearing rod so that wire ends project out of bush. Structure also has standard support members and nut located from the outside of well.
EFFECT: increased operational reliability and decreased costs thereof.
3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ANCHOR | 2008 |
|
RU2374450C1 |
| ANCHOR | 2009 |
|
RU2415270C1 |
| ROPE ANCHOR | 2008 |
|
RU2383739C1 |
| ANCHOR WITH MINERAL FILLER | 1997 |
|
RU2166635C2 |
| ANCHOR SUPPORT | 1995 |
|
RU2083843C1 |
| METHOD OF FIXING OF ANCHOR AND DESIGN OF ANCHOR | 1999 |
|
RU2175063C2 |
| METHOD OF FIXING OF ANCHOR BOLT AND DESIGN OF ANCHOR BOLT FOR METHOD EMBODIMENT | 1997 |
|
RU2169265C2 |
| MINE SUPPORT METHOD AND DEVICE | 2006 |
|
RU2320875C1 |
| ROPE BOLT | 2016 |
|
RU2626478C1 |
| WALL TIE | 2003 |
|
RU2231645C1 |
