FIELD: mining.
SUBSTANCE: lockless anchor includes a rod with a shank, an additional rod and a support plate, a washer and a tension nut, which are installed on the shank. Rods are flexible and installed at an angle to mining surface. Besides, rods are directed crosswise to each other. Rods are braced by their tightening through the washer with the tension nut till the support plate is tightly pressed to the rock.
EFFECT: obtaining a structure of an anchor that is convenient for its installation and removal, which is necessary for its multiple use.
2 dwg
Title | Year | Author | Number |
---|---|---|---|
LOCK-LESS ROOF BOLT | 0 |
|
SU1601384A1 |
ROOF BOLT LOCKED BY FIRING | 2010 |
|
RU2451182C1 |
MINE WORKING ROOF SUPPORT | 0 |
|
SU1183681A1 |
ANCHOR FOR SUPPORTING MINE WORKINGS | 0 |
|
SU1789720A1 |
ANCHOR SUPPORT | 1993 |
|
RU2071564C1 |
REINFORCEMENT METHOD OF MINE WORKINGS WITH ANCHOR SUPPORT | 2010 |
|
RU2435959C1 |
VIBRO-DRIVING ANCHOR (VIBROZAN) | 2008 |
|
RU2365758C1 |
DEVICE FOR FASTENING OF BUILDING STRUCTURES TO ROCK AND STONE MASSES | 2002 |
|
RU2199012C1 |
METHOD FOR ANCHOR FIXING IN MASS | 1999 |
|
RU2173746C2 |
THRUST ROOF BOLT | 0 |
|
SU1411504A1 |
Authors
Dates
2014-01-20—Published
2012-12-25—Filed