FIELD: mining.
SUBSTANCE: valve system (12) for control of walking cylinder (10) of powered support section includes the first pressure supply (PA) and the second pressure supply (PB). Besides, system includes opened check valve (14) that is provided between pressure supply (PB) and connecting hole (B), and damping valve (18) equipped with throttle (16). At that, damping valve is installed between other pressure supply (PA) and connecting hole (A) of the cylinder.
EFFECT: increasing efficiency and improving operating reliability of the proposed system.
14 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DISTRIBUTING-DAMPING CONTROL UNIT | 0 |
|
SU1810230A1 |
| FOUR-PORT THREE-POSITION HYDRAULIC CONTROL VALVE WITH RESERVED ELECTRIC POWER CONTROLLED WHEEL STEERING DRIVE OF FRONT CHASSIS SUPPORT OF VEHICLE WITH HYDRAULIC DAMPER | 2007 |
|
RU2342283C1 |
| VEHICLE WALKING WHEEL | 1995 |
|
RU2092368C1 |
| VALVE ELEMENT AND CONTROLLED NON-RETURN VALVE | 2010 |
|
RU2449191C2 |
| VALVE SYSTEM | 2010 |
|
RU2571068C2 |
| ACTUATING MECHANISM AND VALVE SYSTEM HAVING SAID ACTUATING MECHANISM | 2009 |
|
RU2548137C1 |
| HYDRAULIC VALVE | 1991 |
|
RU2043560C1 |
| REGULATING DEVICE FOR HYDRAULIC SECTION OF SELF-ADVANCING SUPPORT | 1993 |
|
RU2083847C1 |
| LANDING GEAR FRONT LEG WHEEL TURN CONTROL SYSTEM | 1992 |
|
RU2042575C1 |
| HIGH-PRESSURE FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINE MOUNTED RESILIENTLY IN TRANSPORT FACILITY | 0 |
|
SU1708162A3 |
