Manufacturer and supplier of pump valves for water-cooled hydraulic systems

Manufacturers and suppliers of water-cooled hydraulic system pumps and valves/Hydraulic pump and valve systems. In the actual operation and production process, due to friction and heat generation on the inner walls of pipelines, valves, oil cylinders, etc., the temperature of the hydraulic oil used will gradually rise. It is difficult to achieve the desired effect if it is completely cooled by the oil itself. How to find hydraulic faults caused by this

1. First, grab both ends and check them one by one

How to search, focus on finding hydraulic faults based on the hydraulic system diagram. When analyzing and troubleshooting hydraulic system diagrams, the main method is to "grab both ends" - that is, grab the power source (oil pump) and the actuator (cylinder, motor), and then "connect the middle", that is, the pipelines and control components that pass between the power source and the actuator. When grasping both ends, it is necessary to analyze whether the fault lies in the oil pump, cylinder, and electric motor themselves. When connecting the middle line, in addition to analyzing whether the fault lies in the hydraulic components on the connected circuit, special attention should be paid to understanding which control method is used when the system transitions from one working state to another, whether the control signal is incorrect. It is necessary to check each one according to the actual object, and pay attention to whether there is any interference between the main oil lines and between the main oil lines and the control oil lines. If there is mutual interference, it is necessary to analyze how the adjustment error is used.

2. Using cause and effect diagrams to identify hydraulic faults

By using the cause and effect diagram (also known as fishbone diagram) analysis method, the faults of hydraulic equipment can be analyzed, which can quickly identify the main and secondary causes of the faults and accumulate experience in troubleshooting.

The causal diagram analysis method is widely used as it can closely integrate maintenance management with fault diagnosis.

3. Diagnosis and monitoring of hydraulic system faults using ferrography technology

Ferrography technology is based on the wear of mechanical friction pairs. With the help of an iron spectrometer, wear particles and other pollutants in hydraulic oil are separated and made into iron spectrum plates, which are then observed under an iron spectrum microscope or scanning electron microscope, or deposited in glass tubes according to size, and quantitatively detected using optical methods. Through the above analysis, important information about wear and tear within the system can be accurately obtained. Based on this, further research on wear phenomena, monitoring wear status, diagnosing fault precursors, and finally making system failure predictions.

Iron spectrum technology can be effectively applied to the detection, monitoring, wear process analysis, and fault diagnosis of oil contamination in hydraulic systems of construction machinery, and has the advantages of intuitiveness, accuracy, and abundant information. Therefore, he has become a powerful tool for diagnosing and analyzing faults in mechanical engineering hydraulic systems.

4. Using the correlation analysis table of fault phenomena and causes to search for hydraulic faults

Based on work practice, summarize the correlation table between fault phenomena and causes (or provided by the manufacturer), which can be used for the search and handling of general hydraulic faults.

With the continuous development of electronic technology, many large and medium-sized construction machinery now use electronic computer control, interface circuits, and sensing technology to self diagnose their hydraulic systems, and display them on fluorescent screens. Users and maintenance personnel can troubleshoot based on the displayed faults.

Water cooled hydraulic system pump valve manufacturers/Hydraulic pump valve systems, in the actual operation and production process, due to friction and heat generation on the inner walls of pipelines, valves, oil cylinders, etc., the temperature of the hydraulic oil will gradually increase. It is difficult to achieve the effect solely relying on the oil itself for cooling.