A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
HYDRAULIC SYSTEMS FOR GRADING MACHINES
-22 Abstract HYDRAULIC SYSTEMS FOR GRADING MACHINES A hydraulic system (300) for operating a circle drive gear of a grading machine (100) includes a pump (330) configured to output pressurized fluid, a directional control valve (310) fluidly coupled to the pump (330), a bidirectional hydraulic motor (350) located downstream of the directional control valve (310) and fluidly coupled to the directional control valve (310) via hydraulic lines (252). The hydraulic motor (350) has an output shaft that is configured to be rotationally driven by pressurized fluid output by the pump (330). Dual counterbalance valves (340) may be disposed within the hydraulic circuit of the directional control valve (310) and hydraulic motor (350) such that any gearbox driven by the hydraulic motor (350) is protected from external opposing forces. Accordingly, motion in the circle drive system (200) is hydraulically locked at the beginning and release of a circle rotation command with the help of fluid pressure in the hydraulic lines (252). co-
HYDRAULIC SYSTEMS FOR GRADING MACHINES
-22 Abstract HYDRAULIC SYSTEMS FOR GRADING MACHINES A hydraulic system (300) for operating a circle drive gear of a grading machine (100) includes a pump (330) configured to output pressurized fluid, a directional control valve (310) fluidly coupled to the pump (330), a bidirectional hydraulic motor (350) located downstream of the directional control valve (310) and fluidly coupled to the directional control valve (310) via hydraulic lines (252). The hydraulic motor (350) has an output shaft that is configured to be rotationally driven by pressurized fluid output by the pump (330). Dual counterbalance valves (340) may be disposed within the hydraulic circuit of the directional control valve (310) and hydraulic motor (350) such that any gearbox driven by the hydraulic motor (350) is protected from external opposing forces. Accordingly, motion in the circle drive system (200) is hydraulically locked at the beginning and release of a circle rotation command with the help of fluid pressure in the hydraulic lines (252). co-
HYDRAULIC SYSTEMS FOR GRADING MACHINES
STOOPS ERNEST E (author) / HARSHMAN NATHANIEL K (author) / BLOOT JONATHAN M (author)
2023-05-11
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING