告别伏地作业 江西高速养护工发明清缝“神刷”|内射后入在线观看一区
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中新网南昌8月27日电(刘红芳 余志扬)近日,由江西省交通投资集团宜春管理中心安源养护所六市养护站自主研发的“高速公路桥梁伸缩缝清扫刷”在养护工作中成功应用,这一工具巧妙地集成了“勾取-清扫”双重功能,有效解决了使用传统清理工具时需要不断更换、效率低下且清理不彻底的问题。

在高速公路养护作业中,桥梁伸缩缝的主要作用有适应温度变化、承受荷载、提高桥梁的稳定性和使用寿命等。日常养护中,伸缩缝容易因车辆带入沙石、碎屑、落叶等杂物而堵塞。传统清理方式通常需要两个人合作,人力投入较大,且效果不佳,如果清理不彻底易引发伸缩缝卡死,导致梁体应力集中、构件加速老化、钢筋锈蚀,甚至诱发桥面裂缝、坑槽等次生病害,威胁行车安全。

“以前最怕夏天清理伸缩缝,经常得整个人趴在地上操作,滚烫的沥青路面,膝盖都能烫出泡来。现在只要手上一钩再一扫就可以解决,我一个人几分钟就能搞定!”养护工黄友华介绍,该工具采用高强度钢材钩体与耐磨鬃毛刷体组合设计,前端钩体可强力勾取缝隙内块状杂物(如沙石),后端刷体可深入缝隙彻底清扫残留碎屑,实现“勾取-清扫”一体化连续作业。
“这把小刷子不仅省时省力,而且显著提升了养护质量与效率,保障了桥梁伸缩缝的清洁畅通,降低养护成本,消除了安全隐患。”黄友华表示,队员们每天都要巡查上百公里,清理边坡、修补路面、加固护栏,趁手的工具能大大减轻人力投入。下一步,工友们还将继续共同努力,积极聚焦养护作业难题,多发明一些实用的小创新、小变革,提升道路养护水平,保障高速公路安全畅通。(完)
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