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为满足ＳＳ８型机车在九广铁路接触网下运行的需要，对ＴｈＧ３型受电弓的滑板和弓头进行改进：开发上部为曲线形状的铝包碳滑板、设计新的弓头、保证弓头的曲线要求。文章介绍改进方法和效果，并对准高速机车受电弓的设计提出了建议。
To meet the needs of the SS8 locomotive operating under the contact network of the KCRC, the skateboarding and bowing of the ThG3 pantograph are improved: the development of curved aluminum skateboards at the top, the design of a new bowhead and the bowhead The curve requirements. This article introduces the improvement methods and effects, and puts forward some suggestions on the design of pantograph for high-speed locomotive.