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      저자 : Honghong Yan (검색결과 2 건)
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        Researching the loading characteristics of a continuous miner on the basis of the fluidity effects of coal and rock particles

        You Chen,Hong Zhang,Zhihong Zhang,Honghong Yan,Guohua Li,Xiaojuan Sun 대한기계학회 2021 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.35 No.6

        Understanding the interaction between the star wheel arm and coal particles is important to efforts for improving the loading efficiency and reducing the energy consumption of the feeder star wheel. The interaction mechanism between the star wheel arm and coal particles is the theoretical basis of the research. First, the design method of the star wheel arm shape was provided, then a model of the star wheel was constructed with EDEM and a simulation structure. Finally, the influence of the parameters on loading efficiency and energy consumption was determined. Results have been shown that the coal particles in the active zone of the material pile exerts a fluidity effect on loading efficiency and torque. The loading efficiency and energy consumption have been increased with increase in the number of arm and height of the arm. The feeder inclination angle 14° is the best coal loading angle.

      • KCI등재

        Research on dynamic load estimation method of crawler travel system

        Zhihong Zhang,Hong Zhang,You Chen,Honghong Yan 대한기계학회 2023 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.37 No.2

        This paper proposed a novel approach for dynamic load estimation. The similarity criteria between the model vehicle and the prototype vehicle were established based on the structural, operating, and contact parameters of the crawler travel system. The rigid and flexible coupling simulation models of the model vehicle and the prototype vehicle were established, respectively. The accuracy of the simulation model of the model vehicle was verified by the vibration acceleration and stress load obtained by the experiment of the model vehicle. The accuracy of the simulation model of the prototype vehicle (SMOP) was verified by theoretical calculation of the travel resistance torque. Results indicated that the relative error between the dynamic load estimated based on the similarity theory and the dynamic load obtained by the SMOP was 14.6 %. This research helps to reduce the test cost and provides a theoretical basis for the preliminary research on construction machinery.

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