FIELD: machine building.
SUBSTANCE: valve actuating hydro-cylinder (10) contains at least one slide. The slide shuts off flow channel inside the valve. Flow channel (48, 50) does not run through slide (40) of the valve. The valve contains a connection (R) of a reverse line continuously connected with slide (40) of the valve. Slide (40) of the valve on both sides is coupled with the connection of the reverse line. There is also disclosed procedure of installation section of a powered roof support by means of the said valve.
EFFECT: increased reliability of commutation with reduction of forces effecting valve seat.
14 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CONTROL DEVICE FOR HYDRAULIC SUPPORT UNIT | 0 |
|
SU1705589A1 |
| RECUPERATIVE HYDRAULIC DRIVE OF TIMBER TRACTOR WITH SEMITRAILER | 2019 |
|
RU2726987C1 |
| HYDRAULIC SUPPORT WITH VARIABLE RESISTANCE AND ENERGY RECOVERY | 2012 |
|
RU2510460C2 |
| HYDRAULICALLY-ASSISTED SUPPORT WITH THROTTLING DIRECTION CONTROL VALVE AND ENERGY RECOVERY | 2012 |
|
RU2503816C1 |
| CRANE-MANIPULATOR PLANT HYDRAULIC SYSTEM | 2003 |
|
RU2252909C2 |
| OPERATING TABLE | 0 |
|
SU1787028A3 |
| HYDRAULIC PRESS | 0 |
|
SU737242A1 |
| HYDRAULIC CONTROL VALVE SYSTEM OF POWER SUPPORT UNIT | 0 |
|
SU1314111A1 |
| HYDRAULIC CONTROL VALVE ARRANGEMENT FOR POWER ROOF SUPPORT UNIT | 0 |
|
SU1129374A1 |
| HYDRAULIC DRIVE OF TRANSFER MACHINE | 0 |
|
SU1064058A2 |
