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Trouble shooting of accumulator

When the pressure time is short and the compensation failure occurs, the reason is that the connection periphery of the dynamic pressure accumulator is low, and the maximum working pressure of the accumulator is low. , The cause of fast injection and expansion failures is generally high dynamic pressure, low maximum working pressure of the accumulator, and healthy neighbors of the accumulator. In fact, the number of failures caused by the simultaneous occurrence of the first two reasons.

When the accumulator fails to alleviate the hydraulic shock and absorb the pressure pulsation failure, the main reason is that the recovery pressure is too low.
Through analysis, it is determined that the cause of the fault is not timely when the fault occurs. First of all, the pressure oil in the accumulator should be supplemented with the air pressure in the accumulator and repaired. Secondly, it is necessary to find out the specific source of the fault so that it can be understood in time when troubleshooting. When the pressure is low, it may be that the set value is too low, or it may be insufficient to start. It may be that the set value is too high, possible consequences or environmental conditions.
When it is determined that the reason is that the maximum working pressure of the accumulator is abnormal, the maximum working pressure of the accumulator of the pressure accumulator should be supplemented first. If the maximum working pressure of the energy storage is too low, the hydraulic pump may be faulty or the hydraulic pump may be empty. Regulating the pressure, the device may also be adjusted and malfunctioning in the pressure valve. It may also be related to the hydraulic system pressure and the accumulator. The system pressure and the maximum working pressure of the accumulator are too high or too large, which can directly cause the maximum working pressure of the accumulator to be too large. High or too low.
When it is determined that the cause of the fault is the hydraulic component of the hydraulic component, the main hydraulic component of the hydraulic component of the accumulator should be determined. Among these components, the control valve, valve control valve, various reversing and hydraulic cylinder single leakage failures are the quicker and common causes of leakage. Probably the valve core and valve seat are not tightly sealed, and the degree of the valve core is not stuck. Yes, activate the recovery movement to avoid large air gaps and seal failure. And then monitor in order to determine the leaking faulty components. Finally, disassemble the faulty components for inspection and maintenance.
For the uncommon faults of emergency pressure and the highest working pressure of the accumulator, the fault sources can also be sorted on it.
In emergency pressure, according to the maximum working pressure of the accumulator, among the three causes of leakage from neighbors, if the person above can be identified, the difficulty and failure of the plea mortgage can also be monitored and searched for detection. The maximum working pressure ratio of energy storage can replenish energy. Leakage of components is difficult to repair, and the leakage is very dangerous.

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