Hydraulic clamp for machining Y-shaped balance shaft support

The hydraulic clamp for machining the Y-shaped balance shaft support comprises a rotating connector, a fixing disc, a guide rod, a pull ring, a workpiece supporting column and a clamping mechanism, the rotating connector and the fixing disc are connected together through the guide rod, the guide rod penetrates through the rotating connector, the workpiece supporting column is fixed to the center of the fixing disc, and the clamping mechanism is arranged on the fixing disc. The number of the clamping mechanisms is three, the clamping mechanisms are installed on the fixing disc at equal intervals, the clamping mechanisms are installed on the fixing disc at equal intervals to surround the workpiece supporting column in the middle, the fixing disc is round, the number of the pull rings is three, and the three pull rings are arranged at the edge position of the fixing disc at equal intervals. The Y-shaped balance shaft support is clamped through the three clamping mechanisms, each fulcrum of the Y-shaped balance s