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在加固杂填土、湿陷性黄土、新填土地基中,广泛采用灰土挤密桩基础。在灰土挤密桩施工中,桩孔成型可由打桩机来完成。而桩孔灰土夯筑目前还没有定型机械。若用人工夯实,劳动强度大,效率低。为了解决这一问题,我们学习兄弟单位的经验,设计制作了夯实机,其构造如图1所示。该机由一吨机动翻斗车改装而成。即把原翻斗车上的翻斗拆除,装上夯实机构,支承机构及传动减速机构。
In the consolidation of miscellaneous fill, collapsible loess, and newly-filled ground, lime soil compaction pile foundations are widely used. In the lime soil compaction pile construction, the pile hole forming can be completed by a pile driver. There is currently no stereotyped machinery for the construction of pile holes and lime soil. If artificial tamping is used, the labor intensity is high and the efficiency is low. In order to solve this problem, we learned from the experience of our fraternal units and designed and built a tamping machine whose construction is shown in Figure 1. The machine is converted from a ton of motorized dump truck. That is, the dump truck on the original dump truck is removed, and the compaction mechanism, support mechanism, and transmission deceleration mechanism are installed.