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本文对三支点式支承方案的形成,90吨铁块车的技术性能、主要结构、试验和试运、技术经济合理性进行了介绍。认为用三台通用二轴转向架支承车体的新六轴货车代替用两台三轴转向架支承的传统六轴货车,是当前用增加轴数来发展大型货车行之有效的方法。希望尽快安排三支点式90吨铁块车的动力学试验,以便总结经验,为大型货车的发展作出积极的贡献。
In this paper, the formation of the three-point support program, the technical performance, main structure, test and commissioning, technical and economic rationality of the 90-tonne iron lorry are introduced. The belief that the replacement of a conventional six-axle truck with two three-axle bogies with a new six-axle truck that supports the body with three universal two-axle bogies is an effective way to develop larger trucks with increased numbers of axles. We hope that the dynamic test of the three-point 90-tonne iron lorry will be arranged as soon as possible in order to sum up our experience and make a positive contribution to the development of large-scale trucks.