中国矿业大学ml280螺旋钻采煤机推进机构的设计 关键词: 螺旋钻采煤机;螺旋钻头;干涉;优化设计 [gap=1302]Keyword: shearder; auger bits; interference; optimum design
基于494个网页-相关网页
... placental spiral 胎盘螺旋钻 spiral organ 柯替氏器螺旋器 ; spiral bit 螺旋钻头 ; 螺旋钻 ; 麻花钻头 ; 螺旋形钻头 ...
基于184个网页-相关网页
中国矿业大学ml280螺旋钻采煤机推进机构的设计 关键词: 螺旋钻采煤机;螺旋钻头;干涉;优化设计 [gap=1302]Keyword: shearder; auger bits; interference; optimum design
基于36个网页-相关网页
... auger drill 螺旋钻 ; 螺旋钻井装置 ; 回转式钻岩机 auger drill head 螺旋钻头 auger drill rod 钻杆 ...
基于34个网页-相关网页
螺旋钻头:铸钢叶片,钻尖,耐磨。
将仿生非光滑理论应用于螺旋钻头设计上,以解决粘性土钻进中螺旋钻头阻力大、粘附严重的难题。
The bionics theory was applied on the spiral bits, and then a non-smooth spiral bit was designed and processed for carried out the problem of serious sticking.
螺旋钻头底部阀门防止钻进过程中钻屑进入到空心的混凝土管中,当钻杆提出同时混凝土浆注入时,钻杆底部的阀门将被打开。
The valve at the bottom of auger can prevent drilling bits entering hollow pipe during operation. When drilling pipe is taken out and concrete grout is injected, the valve will be opened.
应用推荐