FIELD: machine building.
SUBSTANCE: hydro-drive consists of hinged lever 5, of tension roller 1, and of spring 7. It has actuating hydro-cylinder of double action 6 connected to a hydro-system via hydro-lines 11, 12 and distributor 14. The hydro-system includes tank 17, pump 18 and safety valve 21. Also the distributor is equipped with hydro-controlled locking device 13 with two lock valves 27, 28 and safety valve 32. The safety valve with its input is connected with ante-valve cavity 30 of valve 27 of locking device 13 at position of the distributor "Tensioner on". Through its output the safety valve is connected with hydro-line 12 of actuating hydro-cylinder 6 before another valve 28 of locking device 13.
EFFECT: simplification of design and control of tensioner of belt transmission.
3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| HYDRAULIC SYSTEM OF COMBINE HARVESTER | 2009 |
|
RU2398374C1 |
| GRAIN COMBINE | 2002 |
|
RU2241326C2 |
| GRAIN COMBINE | 2004 |
|
RU2267250C1 |
| GRAIN COMBINE HYDRAULIC SYSTEM | 2001 |
|
RU2210202C2 |
| HYDRAULIC SYSTEM OF GRAIN COMBINE | 2004 |
|
RU2274996C2 |
| GRAIN COMBINE HYDRAULIC SYSTEM | 2001 |
|
RU2209540C2 |
| HYDRAULIC SYSTEM FOR GRAIN COMBINE HARVESTER | 0 |
|
SU1358822A1 |
| HYDRAULIC SYSTEM FOR GRAIN COMBINE HARVESTER | 0 |
|
SU1371581A1 |
| HYDRAULIC SYSTEM FOR GRAIN COMBINE | 2001 |
|
RU2210203C2 |
| AUTOMATIC SYSTEM FOR STABILIZING HILLSIDE VEHICLE | 0 |
|
SU1521616A1 |
