关键词: 游梁式抽油机, 新型平衡方式, 虚拟样机技术, 仿真分析, 动力分析 Abstract: The basic constitutive characteristics of a sort of beam-pumping unit with a new balance system were described.The balance principles were discussed, and a virtual prototyping model was established. The assumption terms in the model and the basic methods for …