SYNTHESIS OF THE TRANSFORMING MECHANISM OF THE ROCKING MACHINE
Rakhmatulina A. Ibrayev S. Imanbaeva N. Ibrayeva A.
20 December 2022al-Farabi Kazakh State National University
KazNU Bulletin. Mathematics, Mechanics, Computer Science Series
2022#116Issue 446 - 57 pp.
This article discusses the synthesis of a six-link transforming mechanism of a rocking machine. First, the problem of synthesizing a four-link articulated-lever mechanism for reproducing a vertical line was solved. For this purpose, the problem of synthesizing a rectilinear-guiding mechanism of the Evans type, which is a hinged-lever four-link mechanism with a straight vertical line drawing point, is considered. The task of synthesis is to implement the constraint equation. The geometric meaning of the constraint equation is to determine the hinge, the positions of which in the absolute coordinate system are equidistant from the origin of the OXY coordinate system. The problem of synthesis is formulated as a problem of quadratic approximation. According to the found dimensions of the articulated four-link, performing the position analysis, the true positions of the suspension point of the rod column were determined. After that, the found parameters were refined using the output criterion directly, that is, the deviation from the given rectilinear trajectory. After the synthesis of a straight-line guiding mechanism, a drive kinematic chain was synthesized, which consists of a crank and a connecting rod. Thus, a rocking machine drive mechanism was obtained, containing a base, a crank pair connected to the main hinged four-link mechanism. The technical result is achieved by the fact that a two-link group is attached to the main four-link mechanism, forming a class III mechanism. The attached two-drive group is the leading crank connected to the rack and connecting rod. Based on the obtained dimensions of the six-link converting mechanism, an experimental model was developed, which fully confirmed the efficiency of the transforming mechanism.
connecting rod , converting mechanism , drive , four-link articulated-lever mechanism , rocking machine , Synthesis
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U. Joldasbekov Institute of Mechanics and Engineering, Almaty, Kazakhstan
Almaty Technological University, Almaty, Kazakhstan
Satbayev University, Almaty, Kazakhstan
U. Joldasbekov Institute of Mechanics and Engineering
Almaty Technological University
Satbayev University
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