| 摘要 |
The present invention relates to a hydraulic circuit having a return line for controlling pressure in hydraulic fluid. The present invention is configured to comprise: a hydraulic pump (90) for discharging the hydraulic fluid; a directional control valve (40) for converting the direction of movement of the hydraulic fluid; a hydraulic actuator (10) for supplying the hydraulic power to a hydraulic equipment; a supply line (20) for guiding the hydraulic fluid to move to the direction control valve (40); a discharge line (30) for guiding the hydraulic fluid to move to a hydraulic fluid tank (91); a first transfer line (50) and a second transfer line (60) for guiding the hydraulic fluid to move; a first return line (70) for monitoring and merging the hydraulic fluid to be flowed respectively from both sides; and a second return line (80) for discharging the hydraulic fluid to the hydraulic fluid tank (91). |
