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七旬老人爱发明

2017-08-16 07:28:00   中国青年网

湖南日报记者 刘跃兵

满屋书籍,一地工具、模型,一位老人认真地敲敲打打。8月13日,记者来到新田县建筑公司退休职工罗朝钦的家时,看到这样的情景。

近日,罗朝钦发明的挖掘机夯击地基法、围海排水造地建筑法获得国家发明专利。他介绍:“与传统的填海造地相比,围海排水造地建筑法造价节省50%以上。”

罗朝钦1947年出生,国家二级建造师,16岁起就在建筑行业摸爬滚打。

上世纪80年代,罗朝钦举债20多万元,搞太阳能热水循环器、自动水泥制砖机、负压保鲜机发明,结果都失败了,并因此债台高筑。

直到2012年,罗朝钦才还清了债务,他说:“虽然有过失败,但我还是想搞发明。”几经思考,他把方向瞄准了自己熟悉的建筑业。

2013年初,罗朝钦见建筑施工夯实小面积松软地基和边坡地面时,大型机械施工困难,大多依靠人工。他想解决这一难题。他查资料、画草图、制作模型……半年过去,一筹莫展。

一天,罗朝钦在去新田县图书馆查资料的路上,看到两台挖掘机正在施工。他顿时茅塞大开:何不将挖掘机液压锤镐钎改制成夯击板,对地基土进行强烈振动夯实?罗朝钦反复计算1个多月,画出了草图。一开始,罗朝钦用焊接铁板制作夯击板,可半个小时就震裂了。

1年时间里,罗朝钦先后试过多种材料。最后,通过钢材整体铸造夯击板,中心留孔安装钢制锥柄,再用锥柄连接挖掘机液压锤,取得成功。挖掘机夯击地基土工作结束后,仍可从事挖掘等其他作业,实现一机两用。

罗朝钦对记者说:“今年,我已经70岁了,但我要留住夕阳,开动脑筋搞发明。眼下,我还有两项发明正在申报中。”

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