1) large-diameter DTH air hammer
大直径气动潜孔锤
2) large diameter DTH
大直径潜孔锤
3) single headed large diameter DTH hammer
大直径单头潜孔锤
4) DTH
气动潜孔锤
1.
Visual Software System Development on Pneumatic DTH Design;
可视化气动潜孔锤设计软件系统开发
2.
The Modal Analysis of Pneumatic DTH Short Drillstring;
气动潜孔锤短钻柱模态分析
5) pneumatic DTH hammer
气动潜孔锤
1.
Laboratory experiment and studying on bidirectional pneumatic DTH hammer
双向气动潜孔锤室内试验研究
2.
In order to illustrate the application future of virtual prototyping technology in geological engineering machinery,a pneumatic DTH hammer was selected as an example to be simulated and evaluated with the sof.
联合PRO/E、ANSYS及ADAMS建立了气动潜孔锤的虚拟样机模型,对气动潜孔锤虚拟样机进行了仿真,阐明了虚拟样机技术在地质工程机械领域的应用前景。
3.
Differential-volume DTH was presented in the paper,which was totally different to traditional pneumatic DTH hammer with two-side inlet-exhausted structure,the energy efficiency and work efficiency are anticipated 20% higher than DTH hammer.
气动潜孔锤是一种高效的凿岩工具,应用广泛,但气动潜孔锤存在着能量利用率低、耗气量大等缺陷。
6) pneumatic DTH
气动潜孔锤
1.
CJ-130 two-way pneumatic DTH is a new type drilling machine,which has been successfully applied to the construction in the field of anchor engineering.
CJ-130型双向气动潜孔锤是锚固工程施工领域的一种新机型,其应用于施工时,由于无操作规程可循,在一定程度上影响了其设计性能的发挥。
2.
According to sticking accident in anchorage hole drilling in landslide stratum,a pneumatic DTH was developed with two-way impact.
针对以往锚固孔钻机在滑坡地层极易引起卡钻事故,无法退出而报废的问题,研制了一种可进行双向冲击的气动潜孔锤。
补充资料：当量比表面直径、表面积体积平均直径
分子式：
CAS号：
性质：又称当量比表面直径、表面积体积平均直径。是颗粒群表面积分布的平均直径。其意义为与颗粒群的粒形相同，总体积相同、总表面积相同，且粒度均匀的一个假想颗粒群的粒度。亦即指与该颗粒群的粒形相同，比表面积相同的一个颗粒的粒度。
CAS号：
性质：又称当量比表面直径、表面积体积平均直径。是颗粒群表面积分布的平均直径。其意义为与颗粒群的粒形相同，总体积相同、总表面积相同，且粒度均匀的一个假想颗粒群的粒度。亦即指与该颗粒群的粒形相同，比表面积相同的一个颗粒的粒度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条