The tilt system is the key part of the converter steelmaking, its function is to ensure the furnace can stop at any Angle. Due to the problem of excessive gear engagement gap between frequent starting and braking and positive and negative transfer, the impact force of the transmission parts is too large. This paper evaluates the dynamic impact on the transmission system. According to the center distance between the two gears, the gear engagement gap is 0.548mmto1.083mm. Comparing the simulation of several different gear engagement gap values by ADAMS software, we shows that the contact force of the small gear and the engagement force of the gear engagement gap is proportional to the added value of the gear contact force. When the engagement gap exceeds 1.083mm, the contact force changes more significantly or even by an order of magnitude.
Due to the need for transformation and upgrading, it has been proposed to change the front suspension of a large mining vehicle from a candle type to a double-wishbone type. The manufacturer and user units are concerned about the impact of this change on tire wear and handling stability. To address this concern, a simulation study has been conducted. The first step was to establish the entire vehicle model of the mining dump truck using Solidworks and Adams/Car. Next, a DOE analysis was conducted on the hard point parameters of the front suspension. The TOPSIS method of grey correlation analysis was used to select the six hard point parameters with the highest comprehensive contribution as optimization variables. Finally, the NCGA algorithm in Isight was used for multi-objective optimization. This not only improved the optimization efficiency but also helped obtain the structural characteristics with excellent performance. The improved structure can enhance the handling stability and smoothness of the entire vehicle while also minimizing tire wear. Overall, this study demonstrates the benefits of using simulation techniques and multi-objective optimization methods for improving the performance of mining vehicles.
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