FIELD: mining industry.
SUBSTANCE: device is suspended on flexible support of balancing mechanism and includes striker bar with tail piece, head piece of casing pipes, spring and locking element placed on tail piece. Tail piece of striker bar is made with stopping clamp and is provided with support washer. Locking element is made with possible displacement along tail piece axis. Spring is mounted between support washer and locking element.
EFFECT: higher efficiency.
2 dwg
Title | Year | Author | Number |
---|---|---|---|
APPARATUS FOR DRIVING-IN CASINGS | 0 |
|
SU1011783A1 |
0 |
|
SU446624A1 | |
DRILLING TOOL | 0 |
|
SU998722A1 |
APPARATUS FOR DRIVING-IN CASINGS | 0 |
|
SU939647A1 |
DEVICE FOR WELL DRILLING AT WATER AREAS | 2011 |
|
RU2481453C1 |
CASING COLUMN FOR PERCUSSION-DRIVING DRILLING ON SEA | 2009 |
|
RU2387790C1 |
METHOD FOR PIPE-DRIVING DRILLING IN WATER AREAS AND DRILLING TOOL FOR ABOVE METHOD REALIZATION | 2004 |
|
RU2282707C2 |
DEVICE FOR CHURN DRILLING WITH SOIL-SAMPLING | 0 |
|
SU791967A1 |
SOIL SAMPLING DEVICE | 0 |
|
SU1775139A1 |
Authors
Dates
2005-02-10—Published
2003-06-06—Filed