Design and Performance Analysis of Car Nest Structural Non-pneumatic Tire
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摘要: 根据鸟巢结构原理，设计一种新型鸟巢结构式免充气轮胎，建立了该免充气轮胎的三维分析模型。应用ABAQUS有限元仿真计算的免充气轮胎下沉量与实验值进行了对比分析，以验证其可行性。利用其下沉特性，分析该免充气轮胎的径向弹性性能，并与充气轮胎的径向弹性性能进行对比分析。利用有限元仿真方法研究了不同阵列数的鸟巢结构式免充气轮胎的压力分布，并进行了特性规律和影响因素分析。结果表明，随着载荷增大，免充气轮胎和充气轮胎的下沉量相近，并且改变辐条阵列数可满足免充气轮胎不同径向刚度的要求，阵列数较大的免充气轮胎在较大下沉量时接地压力连续。Abstract: According to the principles of nest structure, a new type of nest structural non-pneumatic tire was designed, and its three-dimensional analysis model was established. The ABAQUS finite element simulation of its amount of sinking was compared with the experimental results to verify its feasibility. Its radial elastic properties were analyzed by its sinking characteristics and compared with its radial elastic properties. The pressure distribution of the nest structural non-pneumatic tire that has different numbers of arrays was studied with the finite element method. The characterization and influence factors were analyzed. The results show that with the increase of load, the amounts of sinking of the non-pneumatic tire and the pneumatic tire are similar, and that changing the number of spoke arrays can meet the requirements of different radial stiffness of the pneumatic tire. When the number of arrays is large, the grounding pressure is continuous, and the amount of sinking is large.
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Key words:
- nest structure /
- non-pneumatic tire /
- amount of sinking /
- grounding pressure /
- finite element method
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