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针对大功率电液控制动力换挡变速器的市场现状,自主开发了一款满足国内大型装载机市场需要的300kW定轴式电液控制动力换挡变速器。介绍该变速器的主要技术参数、整机匹配分析、传动原理及结构设计。变速器样机的台架试验结果表明,300kW装载机用动力换挡变速器能充分利用发动机功率,与整机性能匹配良好,其技术性能与国外同类产品相当,满足9t级装载机工作要求。
In view of the current market status of high-power electro-hydraulic power shift transmissions, a self-developed 300kW fixed-shaft electro-hydraulic power shift transmission that meets the needs of the domestic large-scale loader market has been developed. Introduce the main technical parameters of the transmission, machine matching analysis, transmission principle and structural design. The bench test results of the transmission prototype show that the power shift transmission for the 300kW loader can fully utilize the engine power and match well with the performance of the whole machine. Its technical performance is equivalent to that of similar foreign products and meets the working requirements of 9t class loaders.