桅杆可伸缩式低净空旋挖钻机的设计及应用  

Design and Application of Low-headroom Rotary Drilling Rig with a Telescopic Mast

作　　者：石信忠 范强生 何文思 魏亚坤 Shi Xinzhong;Fan Qiangsheng;He Wensi

机构地区：[1]徐州徐工基础工程机械有限公司

出　　处：《工程机械》2024年第1期1-5,I0009,共6页Construction Machinery and Equipment

摘　　要：在既有建筑物、高压线附近进行钻孔灌注桩基础施工时,会对桩机设备的高度有一定的限制。研发一种桅杆可伸缩式旋挖钻机,能满足多种空间高度的施工需求,对其结构组成、工作原理及技术创新点进行介绍,并重点对可伸缩式桅杆进行有限元分析,验证了可伸缩式桅杆的可靠性。经实际案例应用,桅杆可伸缩式低净空旋挖钻机可以解决空间受限工况的施工难题,可为类似项目提供参考借鉴。When constructing cast-in-situ bored pile foundations near existing buildings and high-voltage lines,there will be some limitations on the height of the piling equipment.A rotary drilling rig with a telescopic mast is developed,which can meet the construction needs of various space heights.Its structure,working principle and technical innovation points are introduced,and the finite element analysis of the telescopic mast is focused on to verify its reliability.In the practical case application,the low-headroom rotary drilling rig with a telescopic mast can solve the construction difficultiesin space-limited working conditions and can provide a reference for similar projects.

关 键 词：低净空旋挖钻机 伸缩式桅杆 钻孔灌注桩 

分 类 号：TU67[建筑科学—建筑技术科学]