VOLUMETRIC RIGIDITY OF HYDRAULIC SYSTEMS
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- Опубликовано: 19.04.2023 17:09
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Volume 14 (2), April 2023, Pages 117-125
Ali-Hikmat Ahmadov1, Samir Abbasov2
1Associate Professor, Candidate of Technical Sciences, Azerbaijan State Oil and Industry University, Azerbaijan. E-mail: Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.. Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.@Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.. Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.. Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.
2Master, Azerbaijan State Oil and Industry University, Azerbaijan. E-mail: Samir.a-ov00@Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра..Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.
ABSTRACT
A hydraulic drive is a set of interacting hydraulic devices that is designed to be ghosted by means of a working fluid under pressure. The main element in hydraulic drives most machines is a power hydraulic cylinder. Hydraulic cylinder refers to volumetric hydraulic devices, since their operating mode is to fill the volume of the working chamber and empty it. The very principle of operation of the hydraulic cylinder is based on the movement of the worker organ (piston, membrane, plunger), under the influence of the energy of the flow fluid or the mechanical energy of external forces (gravity, spring). Depending on the principle of operation of hydraulic cylinders, it can be divided into two groups: one-way hydraulic cylinder, two-acting hydraulic cylinders. To ensure the operation of the hydraulic cylinder, a pump is required, the purpose of which is to convert mechanical energy into the energy of the flow fluid. Studying the stiffness of a hydraulic cylinder can help determine the optimal load that a hydraulic cylinder can withstand, as well as help in choosing the right size of hydraulic cylinder for a particular system. The stiffness of the hydraulic cylinder can be determined by measuring the movement of the hydraulic cylinder as the load increases in a given range. For example, a hydraulic press can be used to increase the load on a hydraulic cylinder to a certain value, and then a measuring tool can be used to determine the movement of the hydraulic cylinder. This data can be recorded on a computer, which can then be used to analyze and calculate the stiffness of the hydraulic cylinder. The stiffness of the hydraulic cylinder can be expressed in newtons per millimeter or other units depending on the specific measurement system. By using various materials (indicated in the literature), the results of studies aimed at determining the reduced volumetric stiffness of high-pressure hoses and the dependence of the reduced volumetric stiffness of the hydraulic cylinder on the change in the volumes of the working cavities in the process of moving its rod are given.
Keywords: hydraulic system, volumetric stiffness, hydraulic cylinder, module, hydromechanical systems, hoses, pressure, rod, dynamics.