HYDRAULIC WORK CLAMPING MECHANISM

When lever 1 is turned counterclockwise, valve spool 2 is shifted to the right. At this, pump 3 delivers fluid through check valve 11 to the upper end of power cylinder 4, moving piston 5, to which roller 6 and member 7 are linked, downward. This turns lever 8 about fixed axis A, clamping work 9. Fluid from the lower end of cylinder 4 is discharged through the directional valve to the tank. Relief…