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New direction of hydraulic Lamma improvement: upgrading hydraulic components

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New direction of hydraulic Lamma improvement: upgrading hydraulic components

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[Abstract]:
The new direction of hydraulic horse improvement is to improve the functions of hydraulic components. Carry out the hydraulic fault diagnosis of Rama, and implement active maintenance technology.

The new direction of hydraulic horse improvement is to improve the functions of hydraulic components. Carry out the hydraulic fault diagnosis of Rama, and implement active maintenance technology. It is necessary to modernize the fault diagnosis of hydraulic rama, strengthen the development and research of expert system, set up a complete and learning expert knowledge base, and use the knowledge of computer and knowledge base to deduce the cause of the fault, and put forward the maintenance plan and preventive measures. It is the direction of the hydraulic industry to further develop the general tool software of the fault diagnosis expert system for hydraulic Rama and develop the self-compensation system for hydraulic rama, including self-adjustment, self-correction and compensation before the fault occurs...

Hydraulic technology always has energy consumption when converting mechanical energy into pressure energy and reverse conversion. In order to reduce the loss of energy, the following problems must be solved: reducing the internal pressure loss of components and systems to reduce power loss; reducing or eliminating the throttling loss of hydraulic Rama to minimize the overflow of unsafe needs; adopting static pressure technology and new sealing materials to reduce friction loss; improving hydraulic Rama The load sensing system, the two adjustment system and the accumulator loop are adopted.

Electromechanical integration can realize the flexible and intelligent hydraulic pulling horse of hydraulic vehicle, and give full play to the advantages of large output, small inertia and fast response of hydraulic transmission. Its important development trend is as follows: hydraulic pulling horse will turn the electro-hydraulic development system and open-loop proportional control system to closed-loop proportional servo system, together with pressure and flow rate. Improving the functions of hydraulic components to meet the needs of Mechatronics in terms of function, reliability and intellectualization, developing high-frequency and low-power electromagnetically controlled components with direct computer interface, and numerical values of flow, pressure, temperature and oil contamination in hydraulic RAMAS Automatic measurement and diagnosis will be implemented; electronic direct control components will be widely used, such as electronically controlled hydraulic pumps, hydraulic pumps can be implemented in a variety of adjustment methods, soft start, reasonable distribution of power, automatic protection and so on; with the help of fieldbus, the implementation of a high-level information system to simplify the regulation of hydraulic rama, disputes and maintenance.

Leakage control includes two aspects: preventing the leakage of liquid to the outside causing environmental pollution and the external environment against the hydraulic rama. In the future, leak-free components and systems will be developed, such as the development of integrated and composite components and systems, the implementation of no-pipe connection, the development of new sealed and leak-free pipe fittings, motor oil pump assembly, etc. No leakage will be one of the important directions for the world hydraulics industry in the future.

Strict control of product pollution in the production process, the development of closed systems, to prevent the invasion of external pollutants into the system; should improve the design of components and hydraulic rama, so that it has greater pollution resistance. Develop a highly efficient filter and filter with high pollution resistance. To study on-line measurement of pollution, develop oil-water fractional purification devices and dehumidification components, and develop filtered Yuanjiang and detection devices that can remove gases, moisture, chemicals and microorganisms from oil

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