中小驼峰现代化改造的一些理论问题

A THEORETICAL STUDY ON REFORMING AND MODERNIZING MIDDLE- AND SMALL-SCALE HUMP YARDS

就调车线6～16股、不设间隔制动位的中小驼峰现代化改造的理论问题展开论证分析和计算机模拟定量分析,进而提出优化设计的关键是减少难易行车溜行时差,并指出为达到该目的应科学合理地运用可控顶技术、减速器技术的机理及在不同条件下、不同调速制式时优化设计的要点。

We develop demonstrative analysis and quantitative ana]ysis by computer simulation on the theoretical problems concerning the modernization,reformation and increasing the train break-up capacity of middle- and small-scale hump yards which have 6 to 16 marshalling tracks without distance brake spaces. Accordingly we suppose that the crux of the optimization design is to reduce the humping time difference(At) between the worse rolling cars and the easy rolling cars and that in order to attain this object,the technologies of controllable oil-hydraulic retarder and clip retarder must be made use of scientifically and reasonably. We also point out the key points of the optimization design under different conditions and different speed-regulation modes.