International Journal of Earth Sciences and Engineering

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In order to solve the question of crack of the auxiliary frame of mixer truck, the oblique support of auxiliary frame optimization design is put forward Firstly, three dimension structure model of auxiliary frame established by Pro/E is imported into HyperMesh software to mesh, then the solver Radioss is used to calculate respectively the maximum stresses and the positions at the different full load conditions, including the static, left front wheel up 210 mm, the right rear wheels (double) up 210 mm and the left front and right rear wheels simultaneously up 210 mm. After real vehicle test and verification, and the test results and simulation results have the good consistency, and the accuracy of the finite element model is validated. Then, the optimization scheme of the oblique support is put forward, and the strength of the optimal auxiliary frame is calculated. By contrast the maximum stress, under four conditions, the maximum stresses are down more. This paper provides an effective method for solving the fatigue question of the auxiliary frame.

Keywords

Mixer Truck, Oblique Support of Auxiliary Frame, Optimization Design, Test.
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