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To address issues such as tongue breakage, platform and bottom plate detachment, and conversion failure in welded slide plates for urban rail transit turnouts, as well as the challenges of complex casting processes, slag inclusion, shrinkage, and high scrap rates in integral cast slide plates, this study proposes optimization and improvement measures. These include enhancements in structural design, casting processes, surface friction reduction, and nondestructive testing. The traditional oil maintenance method, which leads to heavy maintenance workloads, track contamination, erosion of fastener backing plates, and reduced durability, is replaced with a new design approach. The reliability and superior performance of the newly developed integral cast slide plate were validated through theoretical analysis and laboratory tests, followed by online trial installation. Results indicate that the new integral cast slide plate significantly reduces maintenance workloads in turnout areas, enhances maintenance convenience, and offers valuable insights for future optimization and defect management of turnout slide plates. Key aspects of the design, production, and testing of slide plates were optimized and improved, focusing on structural design, casting processes, surface friction reduction, and non-destructive testing. The reliability and superior performance of the newly developed integral cast slide plate were validated through theoretical analysis and laboratory testing, followed by online trial installation. Results from the trials demonstrate that the proposed integral cast slide plate significantly reduces maintenance workloads in turnout areas, enhances maintenance efficiency, and offers valuable insights for future optimization and defect management of turnout slide plates.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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