FIELD: mining and construction engineering. SUBSTANCE: drilling tool has drilling head provided with drill bits, several shock-absorbing members at least one part of which is made of elastomer material. Shock-absorbing members are installed in places other than those in drill bits. Each shock-absorbing member is formed by block including a part deepened inside groove on tool surface, and deformable part protruding from groove and absorbing tool vibration. EFFECT: higher operating reliability of drilling tool due to increased efficiency of tool vibration cushioning. 19 cl, 14 dwg
Title | Year | Author | Number |
---|---|---|---|
BIT OF SOLID DRILLING TOOL | 1996 |
|
RU2166608C2 |
WELL DRILLING BIT, AND DRILLING METHOD | 2008 |
|
RU2469173C2 |
NOZZLE FOR ONE-PIECE DRILLING TOOL | 1992 |
|
RU2062862C1 |
MILL BLOCK FOR CUTTER WITH INSERTS OF POLYCRYSTALLINE DIAMOND COMPOSITE | 2010 |
|
RU2528349C2 |
DIAMOND DRILL BIT | 1996 |
|
RU2112131C1 |
DRILLING BIT WITH CUTTING ELEMENT SINTERED TOGETHER WITH ROLLING CUTTER HOUSING | 2008 |
|
RU2456427C2 |
MATRIX DRILLING BIT FOR OPERATION IN SEVERE CONDITIONS | 2012 |
|
RU2596932C2 |
CIRCULAR DRILL BIT | 1992 |
|
RU2078899C1 |
GRINDING HEAD AND HOLDER | 1996 |
|
RU2179106C2 |
DRILLING BIT OF ROCK DRILLING TOOL, WHICH HAS INCREASED VISCOSITY, AND METHOD FOR INCREASING VISCOSITY OF SUCH DRILLING BITS | 2009 |
|
RU2488681C2 |
Authors
Dates
2002-11-27—Published
1997-12-23—Filed