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The manufacturer of the hydraulic pump station lists the possible problems of hydraulic cylinders and their solutions

2022-08-25 08:08:08

The manufacturer of the hydraulic pump station lists the possible problems of hydraulic cylinders and their solutions

1. The original action of hydraulic cylinder is slow.

In the case of low temperature, the gear oil has high viscosity and poor circulation, resulting in slow action of the hydraulic cylinder.

The improvement method is to replace the gear oil with good viscosity temperature characteristics, which can be heated by electric heater or equipment itself to improve the starting oil temperature under ultra-low temperature.

2. In the hydraulic transmission system, the manual hydraulic pump station is fed to the gas.

The key is that there is leakage in the system software.

At this time, the manual hydraulic pump station should check whether the liquid level gauge of the hydraulic oil filter element, the hydraulic seals and tee joints on the oil suction side of the hydraulic oil pump, and the oil suction strainer are dirty.

If so, gear oil shall be added, sealing property and tee joint shall be treated, and coarse filter element shall be sorted out or replaced.



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3. The working pressure of hydraulic control system is too low.

The manufacturer of the hydraulic pump station said that the friction resistance of the throttle valve in the operating pipeline will be too large, the flow valve will not be adjusted properly, the operating pressure will not be suitable, and the pressure source will be affected.

At this time, check the operating pressure source to ensure that the working pressure is adjusted to the standard value of the system software.

4. The hydraulic cylinder and cylinder liner are stuck or the hydraulic cylinder is blocked.

At this time, no matter how it is controlled, the hydraulic cylinder does not act or acts very little.

The manufacturer of the hydraulic pump station said that at this time, it should check whether the sealing of the piston rod and hydraulic cylinder is too tight, whether there is dirt and collagen fiber accumulation, whether the pivot axis of the hydraulic cylinder and cylinder liner is aligned, and whether the spare parts and hydraulic seals are invalid.

5. The valve core is stuck or the valve hole is blocked.

When the flow valve or directional valve core is stuck or the valve hole is blocked, the hydraulic cylinder is prone to misoperation or ineffective action.

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