STRUCTURAL SYNTHESIS OF HYDRAULIC IMPACT MECHANISMS WITH A COMBINED CONTROL BODY
Reshetnikova O.S. Kyzyrov K.B. Yurchenko V.V.
2024National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2024#1Issue 463201 - 217 pp.
The article is devoted to the study and substantiation of the choice of the optimal constructive scheme of the hydraulic impact mechanism that meets the requirements of the main technological purpose-generating a given energy and frequency of impacts with the most simplified structure with a sufficiently high efficiency energy conversion. This pursues the goal of choosing the basic structure for creating domestic hydraulic impact mechanisms that are distinguished by high manufacturability, reliability, compactness and patentability. The substantiation of the choice of the optimal scheme that satisfies the requirements of the task was made using structural synthesis, using the main provisions of the method of functional structure formation, which consists in explaining and describing the object under study, in which its elements and the links between them are analyzed within the framework of a single whole. Logically consistently using the methods of combining and substituting the functions of the elements of the impact mechanism, using various combinations of kinematic and structural links between them, imposing certain restrictions on the combination of links of these elements, as well as using the idea of changing the energy level of the limited structural volume of hydraulic working chambers due to the effect of compressibility and expansion working fluid, a constructive scheme was determined that meets the above requirements for further research. The scheme has a controlled working stroke chamber, an uncontrolled idle chamber with combined functions of the control element and using the effect of a hydraulic spring. This circuit is distinguished by the smallest number of elements and connections between them, which simplifies the design of the impact mechanism and reduces the number of transients, providing a more efficient transfer of energy to the tool.
hydraulic impact mechanism , hydraulic perforator, structural synthesis , structural formula , structure formation
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Department «Technological equipment, mechanical engineering and standardization», Non-commercial Joint Stock Company «Karaganda Technical University named after Abylkas Saginov», Karaganda, Kazakhstan
Department «Technological equipment
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