| ZK4型电空转辙机与ZK3-A型的比较 |
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| 引用本文： | 赵玉玲.ZK4型电空转辙机与ZK3-A型的比较[J].铁路通信信号工程技术,2005(5):19-20. |
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| 作者姓名： | 赵玉玲 |
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| 作者单位： | 天津铁路信号工厂 工程师 |
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| 摘 要： | 电空转辙机是铁路驼峰编组场主要的道岔转换设备,目前驼峰编组场使用的电空转辙机有 ZK3-A 型和 ZK4型两种机型,ZK3系列电空转辙机在八十年代初投入使用,虽经过多次改进,在使用中仍然存在一系列问题,正在逐步被 ZK4型电空转辙机所替代。
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| 关 键 词： | 电空转辙机 滑阀 差压自保式换向阀 气路 卡阻 对比 |
| 收稿时间： | 2005-08 |
Comparison Between ZK4 Electro-pneumatic Switch Machine and ZK3- A Electro-pneumatic Switch Machine |
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| Zhao YuLing.Comparison Between ZK4 Electro-pneumatic Switch Machine and ZK3- A Electro-pneumatic Switch Machine[J].Railway Signalling & Communication Engineering,2005(5):19-20. |
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| Authors: | Zhao YuLing |
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| Institution: | Zhao Yuling |
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| Abstract: | Electro-pneumatic switch machine is the main switch transiting device of railway hump marshalling yard.Now,type ZK3-A and ZK4 electro-pneumatic switch machines are used in hump marshalling yard,of which ZK3 series was put into service in the early 1980s with many problems still existing in its application after several modifications,and is now gradually replaced by ZK4. |
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| Keywords: | Electro-pneumatic switch machine Slide valve Pressure difference self-protected reversing valve Air passage Jam and Comparison |
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