Abstract
this article contains kinematic and dynamic analysis of the tilting mechanism of the turnaround charging crane main trolley, conducted with the use of the Mathcad package. The mechanism is modeled by a flat link mechanism – a four-bar linkage. In the same time, the analysis of the mechanism is also conducted using the Matlab Simulink environment and the tools of Multibody, which is a Simulink library. These two models were then compared. In the study the work-energy theorem and Holonomic constraints equations were used.
Highlights
Four link mechanisms are fundamental mechanisms for some types of machines
The use of four-bar linkages is aimed at converting the rotational motion of the crank into a rocker arm tilting
This approach is most widely used in the designing of the tilting mechanism of the turnaround charging crane main trolley
Summary
Four link mechanisms are fundamental mechanisms for some types of machines. The most widespread one among the flat four-bar link mechanisms is a four-bar linkage. Each of its link connections has only one degree of freedom – rotational These mechanisms can be used to meet the needs of tourism or military [1], textile [2], metallurgical industries [3]. The use of four-bar linkages is aimed at converting the rotational motion of the crank into a rocker arm tilting. This approach is most widely used in the designing of the tilting mechanism of the turnaround charging crane main trolley. There are visual models of mechanisms made for educational purposes [4, 5], but the software used for the construction does not allow to determine kinematic parameters and serves only as a visual example for students. In spite of the deep elaboration of these works, they do not allow to analyze the dynamic characteristics taking into account the design features
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