讨论了弓网受流原理和受流质量评价体系,通过Simulink仿真手段,对弓网接触压力和受流质量之间的关系进行了研究,提出滚动弓头受电弓设想,并依据接触电阻理论、冲量理论、摩擦磨损理论,分析滚动弓头对弓网性能的提升原理。 The principle of bow flow and the evaluation system of flow mass are discussed. The relationship between contact pressure and flow mass of bow mesh is studied by Simulink simulation. The idea of ​​rolling pantograph is proposed. According to the contact resistance theory , Impulse theory, friction and wear theory, analysis of rolling bow on the bow network performance improvement principle.