Anti-retreating device of hydraulic machine

The utility model discloses an anti-retreating device of a hydraulic machine, which comprises a base, an upper frame plate is arranged above the base, the upper frame plate is fixedly connected with the base through a plurality of stand columns, a lower die assembly capable of moving up and down is arranged between the upper frame plate and the base, and the lower die assembly is provided with an anti-retreating device capable of preventing the lower die assembly from descending. The anti-retreating device comprises a movable sliding plate, a first oil cylinder fixedly connected with the sliding plate and a supporting column assembly fixedly connected with the front end of the first oil cylinder, and the upper end face of the supporting column assembly abuts against the lower end of the lower die assembly. The utility model has the advantages that the design is reasonable, the effect is obvious, and the anti-retreat device arranged below the lower die assembly plays an effective role in retreat prevention, so