论文部分内容阅读
近日,两台由山东鸿达建工集团自主研发的“铁力土”牌HDR230旋挖钻机在青烟威荣城际高速铁路莱阳段施工现场闪亮登场。HDR230旋挖钻机是山东鸿达集团借鉴和吸收国内外旋挖钻机先进技术后精心研制的,最大钻进扭矩230kN·m,最大钻孔直径2m,最大钻孔深度60m,转台回转角度360°,整机质量72t。主要用于公
Recently, two sets of HDR230 rotary drilling rig independently developed by Shandong Hongda Construction Engineering Group made their debut at the construction site of Laiyang section of the Qinghai-Vlaanbashi Expressway. HDR230 Rotary Drilling Rig is developed by Shandong Hongda Group after learning and absorbing the advanced technology of rotary drilling rig at home and abroad. The maximum drilling torque is 230kN · m, the maximum drilling diameter is 2m, the maximum drilling depth is 60m, the turning angle of the turntable is 360 °, Machine quality 72t. Mainly for the public