Abstract
The strength calculation is one of the basic engineering problems in the design of any mechanism after a mandatory structural analysis consisting essentially of dividing the mechanism into initial mechanism(s), dependent on the degree of freedom of mechanism W, and structural groups. Also, the strength calculation shall be preceded by a kinematic analysis to determine the kinematic parameters and links of the mechanism which is required to finding the inertial forces and moments of the links. One must know in advance or obtain the weights and inertial moments of the links, the external loads impacting the mechanisms, the useful resistance force to be overcome by the mechanism, and all geometrical dimensions. Strength calculation of a mechanism is aimed at finding reactions in the kinematic pairs, as well as counterbalance forces or counterbalance moments. The data on forces in the kinematic pairs is required to calculate strength, rigidity, vibration resistance, and wear resistance the mechanism links, to calculate bearing durability and to perform other similar calculations during the mechanism design. The dynamic force analysis method (d’Alembert’s principle) is applied in strength calculations allowing to solve the complex dynamic problem of the mechanism using rather simple static equations. This paper professionally describes a method of strength analysis on a bulldozer ripper mechanism used in open-cast mining and construction. This model of the ripper mechanism strength calculation is expected to be subsequently used for computer-aided calculation of the strength parameters of such mechanism.
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Busygin, A.M., Stelmakhov, A.A. (2023). Strength Calculation of the Bulldozer Ripper Mechanism. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 8th International Conference on Industrial Engineering. ICIE 2022. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-14125-6_15
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