Hydraulic station is a hydraulic source device composed of a hydraulic pump, a drive motor, a fuel tank, a directional valve, a throttle valve, a relief valve, or the like, or a hydraulic device including a control valve.
Function:
Generally, the temperature of the hydraulic oil should be kept within the range of 30-50 °C, and the maximum temperature should not exceed 60 °C. Excessive oil temperature is likely to cause sharp deterioration of seals and other accessories, thermal deformation of mechanical parts, viscosity reduction or even deterioration of hydraulic oil, and increased leakage, resulting in unstable operation of the hydraulic system.
The increase of hydraulic oil temperature is generally caused by mechanical friction, high oil pump temperature and oil compression. The common cooling methods of hydraulic stations are generally air-cooled and water-cooled.
The hydraulic station is water-cooled,the working principle of the cooler in the water cooling device is to convect the heat medium and the cold medium compartment, and exchange heat to achieve the purpose of cooling.
specific selection:
Calculate the heat balance first, and then choose the heat dissipation area, flow capacity, and pressure loss.
Heat balance calculation method:
Precautions:
It is to solve the temperature problem in the cooler, the technical solution is that the cooler is cooled by the cooling water tank and the cooling pipe installed in the tank. The oil cooler is mainly used for high temperature or continuous operation in the environment of lubricating oil circulation and large mechanical equipment, and can also be used for lubricating oil coolant under other conditions.
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