Keywords: hydraulic, quenching tank, oil pump, oil cylinder,

Hydraulic system of quenching tank
1. When the oil pump rotates, the sound should be slight and uniform, and there should be no irregular impact sound and periodic noise.
2. The inlet pipe and oil filter of the pump shall not inhale air, and there shall be no dead angle where air is gathered. After the oil drain, air bleed and other pipelines are installed, air shall not invade the system,
3. When installing the oil cylinder, if the structure allows, the position of the oil inlet and outlet must be at the top. The cylinder must be installed so that it can be automatically deflated or equipped with a convenient vent.
4, the oil cylinder action should be flexible and stable, no oil leakage, oil drainage, and noise.
In order to ensure safety, the installation of the valve must consider the influence of gravity, shock or vibration on the main parts of the valve.
6. The action of the hydraulic valve is flexible and reliable, and no oil leakage is allowed.
7. The oil circuit should be arranged neatly, the bent part of the pipe should be smooth, and there should be no serious depressions and sharp turns that increase the resistance.
8, pipe joints must be tight and reliable, sealed with Luo certificate, no oil leakage after the joint is fastened.
9. The oil pipe must be firmly installed on the metal structure to avoid loosening during work. Piping is not allowed to support other objects.
10, the pipeline laying should pay attention to avoid contact with high temperature molten iron, high temperature parts or open flame.
11. Before the system is assembled, the joints, pipelines and channels (including casting core holes, drilling, etc.) must be cleaned, and no dirt (such as iron filings, burrs, fibrous impurities, etc.) is allowed.
12, with the orifice of the joint, should make a permanent mark, the mark should be consistent with the circuit diagram.
13. When installing the hose, its length should be as short as possible to avoid serious bending and deformation of the hose during operation. If the weight of the hose will cause excessive deformation, the hose should be fully supported or the pipe end should be placed with cloth .
14. The manual control device should be placed near the normal working position of the operator and can be touched.
15, the meter is clear, the nameplates of all kinds of liquid-based components are clear, and the signs are consistent with the direction of movement.
16. during the test run, the air in the oil circuit should be drained, all movements should be stable and normal, and there should be no obvious speed unevenness such as vibration, noise, impact and stagnation.
17. the lower part of the hydraulic components shall be equipped with a device for recovering oil leakage.

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