FIELD: road building machinery, particularly, motor graders provided with hydraulically powdered control of working member. SUBSTANCE: operating equipment has draft frame, turntable of working member with gear ring, two hydraulic cylinders with crank mechanism and gears, hydraulic control valve with drive from turntable. Core of hydraulic control valve is stepped. Difference of areas of distributing end face and core stem is larger than area of distributing window of core. Distributing windows of core are connected with internal cavity of hydraulic control valve body through two check valves. EFFECT: reliable and simple hydraulic system of control of working member turntable. 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MOTOR GRADER SLEWING CIRCLE DRIVE | 1999 |
|
RU2167979C2 |
| WORKING EQUIPMENT OF A MOTOR GRADER | 2021 |
|
RU2785775C1 |
| MOTOR GRADER | 1997 |
|
RU2134328C1 |
| SUSPENSION OF MOTOR GRADER DRAFT FRAME | 1997 |
|
RU2133797C1 |
| SOIL STABILIZER ON CHASSIS OF MOTOR GRADER | 1997 |
|
RU2167973C2 |
| MOTOR GRADER WORKING EQUIPMENT | 2016 |
|
RU2639223C1 |
| WORKING EQUIPMENT OF MOTOR GRADER | 2016 |
|
RU2639222C1 |
| WORKING ATTACHMENT OF MOTOR GRADER | 1997 |
|
RU2133317C1 |
| ROAD HARROW ON MOTOR GRADER CHASSIS | 1997 |
|
RU2128268C1 |
| SNOW PLOUGH | 1996 |
|
RU2143027C1 |
