Abstract
The load capacity of the front wheel loader is equal to half the maximum tipping load in the bucket. Therefore, a stability assessment is very important at the design stage. The existing graphical method used to assess the static stability of the loader is very time-consuming and is susceptible to drawing errors. The authors suggest replacing the graphical method with an analytical one. The calculation results revealed that the displacement of the horizontal hinge (balancer) along the frame of the machine does not affect its stability. The loader stability depends solely on the balancer hinge orientation. The mathematical model presented in the article was used in the design of the PK-5 loader manufactured by the Chelyabinsk Tractor Plant. The loader PK-5 has an articulated frame with a combined horizontal and vertical hinges. The use of a combined hinge simplifies the design of the frame and increases the unification of machines based on it. The change in the orientation of the balancer allowed increasing its carrying capacity by 20–30%. The orientation of the balancer completely changed the mechanics of tipping, which increased the safety of the driver.
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Troyanovskaya, I.P., Shepelev, S.D. (2021). Design of Agricultural Loader with Articulated Frame. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 6th International Conference on Industrial Engineering (ICIE 2020). ICIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-54814-8_17
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