便携式液压打桩机现状分析
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摘要
防洪抢险过程中,传统捆抛柳石枕、桩柴护岸、柳石楼厢等抢险技术发挥着巨大无比的作用,在这些应急抢险方法中,需要大量木桩以便固定柳枕和厢埽。在公路建设工程中,两边护栏的建设维护也需要大量钢管桩。由此可见,打桩是各种抢护方法中不可缺少的一道工序。而在抗洪抢险,汛期前后的堤防加固,维护江、湖、河、塘等堤岸以及公路建设维护的打桩作业中,由机械劳动代替人力打桩作业是一次技术性革命。本文通过对国内各类便携式打桩机现状、原理进行研究总结,明确国内便携式液压打桩机技术水平及存在的缺陷,为设计研发新型便携式液压打桩机奠定理论基础。
In the flood rescue process,traditional bundle and throw wicker rock pillows, firewood pile revetment, rock-loft and other emergency technologies in emergency and rescue play significant roles. These methods require a lot ofwood pipes to fasten the wicker pillows and willow branches;In highway construction project, the construction andmaintenance of fences also need large amount of steel piles. So it can concluded that in a variety of rescue methods,piling is an in dispensable process.In the piling work of flood rescue,dike reinforcement before and after the flood sea-son, rivers, lakes, ponds and embankment maintenance and highway construction and maintenance, the machine in-stead of human piling operation is a technological revolution.Based on the status and principle research and review ofdomestic portable hammer,the technical level of domestic portable hydraulic hammers is clarified, for the view of thecurrent shortcomings, it lies the theoretical basis for the design and development of new portable hydraulic hammers.
In the flood rescue process,traditional bundle and throw wicker rock pillows, firewood pile revetment, rock-loft and other emergency technologies in emergency and rescue play significant roles. These methods require a lot ofwood pipes to fasten the wicker pillows and willow branches;In highway construction project, the construction andmaintenance of fences also need large amount of steel piles. So it can concluded that in a variety of rescue methods,piling is an in dispensable process.In the piling work of flood rescue,dike reinforcement before and after the flood sea-son, rivers, lakes, ponds and embankment maintenance and highway construction and maintenance, the machine in-stead of human piling operation is a technological revolution.Based on the status and principle research and review ofdomestic portable hammer,the technical level of domestic portable hydraulic hammers is clarified, for the view of thecurrent shortcomings, it lies the theoretical basis for the design and development of new portable hydraulic hammers.
引文
[1]刘兴燕.便携式液压防汛打桩机研制试验研究[J].科技视界,2014(28):62-66.
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[2]刘伟.液压振动沉桩机沉桩机理及其振幅和频率调节系统研究[C].湖南:中南大学,2004.
[3]王伟.振动沉桩动力学分析和试验研究[C].河北:河北科技大学,2012.
[4]陈岱杰,陈龙珠,郑建国.高频振动打桩机理的试验研究[J].铁道建筑技术,2006(3):45-48.
[5]韩林山,臧海燕,严大考.轻型液压打桩机主机结构的优化设计[J].水利电力机械,2005(2):7-12.
[6]高山.国内外桩工机械生产发展概况[J].工程机械与维修,1997(4):57-60.
[7]邓明权.振动沉桩机简捷设计计算方法[J].工程机械,1983(6):52-56.
[8]邹经湘.结构动力学[M].哈尔滨:哈尔滨工业大学出版社,1999.
[9]贾武学.振动打桩机沉桩的理论计算[J].机械研究与应用,1999(S1):88-91.
[10]周林森.冲击式振动锤沉桩的土力学特性研究[J].试验与研究,1996(10):122-125.