Water hydraulic cylinder impact leakage detection test bed based on helium detection

The invention discloses a water hydraulic cylinder impact leakage detection test bed based on helium detection, which comprises a test bed body, a water hydraulic cylinder, a helium tank, a sealed container and an impact device, and is characterized in that the water hydraulic cylinder is detachably mounted on the test bed body; the outlet end of the helium tank is communicated with a rodless cavity of the water hydraulic cylinder, and a pressure reducing valve is mounted between the helium tank and the water hydraulic cylinder; the sealed container is detachably mounted in a rod cavity of the water hydraulic cylinder, and a helium mass spectrometer leak detector is mounted on the sealed container; and the impact device is fixedly mounted on the test bed body, is connected with a piston rod of the water hydraulic cylinder, and is used for providing impact power for the water hydraulic cylinder. The energy accumulator is adopted as a pressure power source, rapid, stable and large-flow oil can be provided, the