机械助力换枕忙 护航暑运平安路|欧美大屁股熟妇BBBBBB
1. 欧美大屁股熟妇BBBBBBAv
中新网广州7月8日电 题:机械助力换枕忙 护航暑运平安路
作者 郭军 陆省省
7月7日22时40分,已然深夜,天气闷热,广铁集团广州工务段乐昌综合维修车间的作业人员,正在广州北站3道的路肩上等待线路封锁。
“22时45分,广州北站1道、3道封锁,现场防护员谭著收到。”作业人员随后进入3道,开始当天的作业。“我们今天的作业分两组,一组是配合挖机进行换枕,另一组是人工换枕,目的是通过将陈旧的Ⅱ型混凝土轨枕,更换为更宽更结实的Ⅲ型枕,提升整个股道的承载力,确保暑运高密度列车的运行安全和旅客乘车舒适度。”乐昌综合维修车间党总支书记廖佳军介绍说。
作业现场,一台小型挖机顺着轨道开到作业地点,先利用改装过的挡砟板将枕木下的石砟清空,再用机械臂将旧轨枕从钢轨下面抽出,同时,抓取新枕木,放在原位置。配合的作业人员迅速安装卡板扣件,拧紧螺母。一根轨枕的更换工作很快完成。
相比机械换枕这边的省时省力,人工换枕那边就颇为吃力。据廖佳军介绍,为了赶施工任务进度,在机械设备不足的情况下,同时安排了人工换枕,20人分为五组,每组负责四根枕木。看起来工作量不是很大,但实际操作起来却费时费力。
在现场,有的组作业人员用小耙将四根枕木下面的所有石砟刨出来,用竹簸箕一点点转移到旁边,同时四个人配合将枕木一根根抽出,放在指定位置,还要将重达800斤的新枕木抬到需更换的位置,再一根根放入,调整好轨枕间的距离,然后回填石砟。一个流程下来,差不多两个小时。尤其四人抬轨枕,他们喊着“一二,一二”,却每次只能移动一小步,整个腰都是弯的,脸上的汗水顺着脸颊直往下流,衣服全都湿透了。
等到7月8日0时20分左右,整个作业已经快进行了一半。挖机已经更换了几十根枕木,作业人员快速将轨枕上和螺栓上的石砟清理干净,一台操作手操作“一操四”捣固机,不停地夯实石砟,确保轨道道床的稳定。
据悉,此次广州北站换枕施工自6月18日开始,乐昌综合维修车间共投入96名作业人员、3台换枕挖机,利用17个“天窗”完成了1016根轨枕更换任务,使得广州北站站内股道的线路质量大大增强,为整个暑运的平安通畅路创造更为有利的条件。(完)
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