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16天鏖战!郑州北站16组新型减速器顺利“上岗”

  • 2026-05-10 21:03:10
16天鏖战!郑州北站16组新型减速器顺利“上岗”

4月30日8点至15点,经过郑州电务段和其他施工单位近百名作业人员连续390分钟的共同努力,郑州北站下行驼峰场三部位J330-1、J330-2减速器顺利“上岗”,标志着为期16天的郑州北站2026年新型减速器换装施工大会战圆满结束。

驼峰减速器是铁路编组站的核心部件,相当于汽车的“刹车器”,它由制动梁、制动钳、风缸、测速雷达、测长轨道等元件组成,能对从峰顶溜放下来的车辆进行智能减速,防止和股道内停留的车辆相撞,也能确保不影响后续的车辆溜放,因此对车辆的调速精度要求极高,不能有一丝一毫的偏差,否则就会造成车辆碰撞的不良后果。

郑州北站下行驼峰场共有42组减速器,分别分布在一、二、三部位,其中一部位的1组2台减速器已于2024年更换完毕。本次施工更换的16组32台减速器位于下行驼峰场三部位,这些减速器自2008年投入使用以来,由于过车频繁,设备磨损严重,造成制动能力不足、控制精度下降、安全性能不稳,已不能适应运输安全的需要,被列入集团公司2026年重点大修计划。为了保质保量完成施工任务,郑州电务段成立由40多名生产骨干组成的工作专班,并在3月底前完成了新设备转运装卸、起重机工作场地勘查准备、电缆进路探测、图纸核对、设备防护等工作。

本次施工面临着施工场地狭小、动火作业风险高、汽车吊装作业难三重挑战。针对施工场地狭小的实际情况,施工人员提前勘察规划,科学划分作业区域,精简工机具,规范物料堆放,保障现场作业有序推进。

针对高风险的动火作业,施工人员认真落实动火作业审批制度,严格执行动火作业标准化指导书规定流程,配齐消防器材,安排专人全程盯控等措施,全程筑牢安全防线。

针对吊装作业难题,施工人员提前优化吊装作业方案,精准指挥操作,严控吊装环节风险。

为了确保设备和人员绝对安全,郑州电务段制定周密的防护措施,采用“点对点”、“一人盯一机”方法盯控大型机械设备,还采取插黄旗、撒白灰等方式,严防挖掘机挖断电缆、风管等设备设施。

此次更换的新型减速器具有噪音低、制动能力强、耐磨度高等特点,同时又能减轻电务维修人员的劳动强度。新设备投入使用后,将进一步提升郑州北站下行驼峰场的调车溜放作业安全系数。  

【素材来源】 :郑州北驼峰车间

【编       辑】  :罗静雯
【统       筹】  :张勋勇
【审       核】  :张晨璐

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  1. CONNECT:[ UseTime:0.000475s ] mysql:host=127.0.0.1;port=3306;dbname=i460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000536s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.006628s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.002964s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000573s ]
  6. SELECT * FROM `set` [ RunTime:0.008273s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000686s ]
  8. SELECT * FROM `article` WHERE `id` = 530090 LIMIT 1 [ RunTime:0.011672s ]
  9. UPDATE `article` SET `lasttime` = 1778568107 WHERE `id` = 530090 [ RunTime:0.001784s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000331s ]
  11. SELECT * FROM `article` WHERE `id` < 530090 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.009428s ]
  12. SELECT * FROM `article` WHERE `id` > 530090 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003249s ]
  13. SELECT * FROM `article` WHERE `id` < 530090 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.039890s ]
  14. SELECT * FROM `article` WHERE `id` < 530090 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.028641s ]
  15. SELECT * FROM `article` WHERE `id` < 530090 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.108192s ]
0.308940s