FIELD: mining machines. SUBSTANCE: machine has two feed screws kinematically connected with each other, for instance, with help of chain transmission, and their nuts are rigidly connected with gears of feed reducing gear and connected kinematically with movable drive motor. One of screws has control unit, for instance, in form of overrunning and braking clutch. EFFECT: simplified design, increased efficiency and speed of tool reversing. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DRILLING MACHINE | 2001 |
|
RU2194142C2 |
| CLEANING COMBINE | 2003 |
|
RU2248445C1 |
| STRIKING MECHANISM | 1998 |
|
RU2147662C1 |
| LEVERAGE MECHANISM FOR SEPARATION OF ROTARY MOTION | 2001 |
|
RU2207462C1 |
| PERCUSSIVE MECHANISM | 1998 |
|
RU2143073C1 |
| DRILLING MANIPULATOR | 2003 |
|
RU2242578C1 |
| STRIKING MECHANISM | 1998 |
|
RU2148143C1 |
| DEVICE FOR HOLE DRILLING | 1990 |
|
RU2018621C1 |
| RACK MECHANISM | 1999 |
|
RU2155894C1 |
| DRILLING MANIPULATOR | 1998 |
|
RU2143067C1 |
