钎杆是井巷工程连接钻头和凿岩的机具。矿山井巷工程一般使用的钎杆为六角中空钢和中空园钢,六角中空钢的内切园直径为22mm和25mm,中空园钢的外径为32mm和38mm,钢钎有成品钢钎和锻制钢钎,成品钎是按一定的长度锻制好后直安装上钎头凿眼,锻制钢钎是根据需要将中空六角钢剪切,再用锻钎机锻制钎尾和钎首,然后装上钎头凿眼。
定义 中文名称: 钎杆 英文名称: stem 定义: 向钎头传递动力,随同钎头进入钻孔的杆状或管状零件。 应用学科: 煤炭科技(一级学科); 矿山机械工程(二级学科); 钻孔机械(二级学科) 以上内
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The molding of rock drill steel is one of the most complex deformation processes, which includes the non-linear of material、geometry、boundary conditions and several fields coupling.
钎杆用中空钢的成型过程是复杂的弹塑性变形过程之一,它涉及到几何、材料、边界条件非线性,同时包含多个物理场的耦合。
参考来源 - 奇数边中空钎钢成型过程的数值模拟·2,447,543篇论文数据,部分数据来源于NoteExpress
同时通过实验得出了钎杆波形螺纹成形的影响因素。
Meanwhile, the effect factors of the roll forming were acquired by experiment.
作者研制了极坐标扶钎器可以严格的控制钎杆,从而保证孔位准确。
In this paper, a polar coordinate drill-rod lifter was developed to strictly control drill rod in order to precisely locate the rod.
为适应大型高炉开铁口机的装卸钎杆需要,设计开发了新型换钎机。
In order to adapt the need of loading and unloading drill rod of iron gate-opening machine for large-scale blast furnace, the new change rock drill machine is designed.
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