FIELD: mining.
SUBSTANCE: claimed assembly comprises the body with channel and seat with circular bore and nozzle with O-ring fitted in said seat and split lock ring with retainer. The retainer is composed of the plate of T-shape in plan arranged at the lock ring end along its mirror axis. Note here that said plate is made from the material with shape memory and rigidly bonded with the split lock ring. Note here that the plate crosswise part end parts are provided with the grooves for lock ring ends to be fitted therein at the working position. The nozzle flushing channel is shifted in plan relative to its lengthwise axis.
EFFECT: higher efficiency of drill bit operation.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DRILL BIT FLUSHING ASSEMBLY | 2015 |
|
RU2576265C1 |
| FLUSHING ASSEMBLY OF DRILLING BIT | 2013 |
|
RU2536883C1 |
| DRILL BIT FLUSHING ASSEMBLY | 2013 |
|
RU2536600C1 |
| FLUSHING ASSEMBLY OF DRILLING BIT (VERSIONS) | 2016 |
|
RU2618707C1 |
| FLUSHING ASSEMBLY OF DRILLING BIT (VERSIONS) | 2016 |
|
RU2617745C1 |
| FLUSHING ASSEMBLY OF DRILLING BIT (VERSIONS) | 2016 |
|
RU2618726C1 |
| FLUSHING ASSEMBLY OF DRILLING BIT (VERSIONS) | 2016 |
|
RU2618717C1 |
| FLUSHING ASSEMBLY OF DRILLING BIT (VERSIONS) | 2016 |
|
RU2618734C1 |
| FLUSHING ASSEMBLY OF DRILLING UNIT (OPTIONS) | 2017 |
|
RU2663516C1 |
| FLUSHING ASSEMBLY OF DRILLING UNIT (OPTIONS) | 2017 |
|
RU2663511C1 |
