| 摘要 |
A vibration suppression device for a hydraulic working machine, the vibration suppression device being connected via pipe paths (L3, L4) to a hydraulic actuator (2), which is driven by pressurized oil from a hydraulic pressure source (1), and suppressing vibration of the hydraulic actuator (2). The vibration suppression device has an accumulator (13) having a gas chamber (R2) expanding and contracting by hydraulic pressure of the pressurized oil in the pipe path (L4) and also has a shutoff valve (12) closing when the hydraulic pressure is lower than or equal to a preset pressure (Pb) of gas in the gas chamber (R2) to shutoff pressurized oil flowing out of the accumulator (13). |
