To meet the requirement of constructing rock embedded piles, inserted roller cutters and roller cutter bits were developed.
根据大口径嵌岩桩施工的需要,研制了镶齿滚刀及滚刀钻头,介绍了镶齿滚刀硬质合金齿的选择、布置,镶齿及密封技术,滚刀钻头的结构设计及钻进参数的确定。
Description is made of the roller-type cutting head, the distribution law of the cutters, as well as the effect of drilling parameters on the drilling efficiency.
介绍了滚刀钻头破岩机理、滚刀的分布规律、以及钻进参数等因素对钻进效果的影响，并通过施工实例对目前滚刀钻头使用中所存在的主要问题进行了分析。
So Benoto Method,reverse circulation drilling with quadruple-wing drag bits,drilling with roller-type cutting head and combined drilling technology was adopted as well as wall protection with mud,which is strictly districted in Hongkong and Macao.
根据工程的具体情况,采用贝诺特工法、反循环四翼刮刀钻头钻进、滚刀钻头钻进等组合钻进工艺,同时采用在港澳地区限制严格的泥浆护壁钻进。
Now, the rolling-wheel method is a good way to measure the large diameter.
研究工作主要有三部分:滚轮测头高精度标定方法研究、标定装置机械设计和测控电路设计。
cone type roller bearing rock bit
滚柱轴承锥形牙轮钻头
Load carrying ability of tapered roller bearing on new high speed rock bit
新型高速牙轮钻头圆锥滚子轴承承载能力分析
Construction of Mechanics Analysis System for Bearing of Roller Bit -Contact Stress Analysis of the Rollers;
牙轮钻头轴承力学分析系统的构筑——滚动轴承滚子接触应力分析
The development and application of a new type rock bit with bearing liner structure;
镶套轴承结构牙轮钻头的开发与应用
crowned roller path
滚柱轴承的凸形滚道
Heat treatment and wear resistance of 55SiMoV roller for the mine roller bit
矿用牙轮钻头55SiMoV滚柱的热处理及耐磨性能
drive pinion cone bearing
主动小齿轮锥形轴承
drive pinion cone bearing cup
传动小齿轮锥形轴承杯
TEST STUDY OF A NEW TYPE NON-SEAL SLIDING BEARING CONE BIT
新型非密封滑动轴承牙轮钻头的试验研究
STUDY OF THE LOAD ON THE JOURNAL BEARINGS OF THE TRICONE BIT BY THE METHOD OF ANALYSIS OF THE RANDOM PROCESS
用随机过程分析方法研究牙轮钻头轴承载荷
Anti-seizing test of floating bush of cone bit slide bearing
三牙轮钻头滑动轴承浮动衬套的抗胶合试验
Study on Contact Stress of Rock Bit Floating Ring Journal Bearing;
牙轮钻头浮动套轴承接触应力分析研究
Experimental Research on Working Performance of New Floating Ring Journal Bearings
新型牙轮钻头浮动套轴承工作机理试验研究
THE HIGH-SPEED ROLLER BIT BEARING SURFACE STRENGTHENING TECHNOLOGY
高速牙轮钻头轴承表面强化技术实验研究
Finite Element Analysis of Journal Bearing Contact of Tricone Bit
三牙轮钻头滑动轴承副接触有限元分析
Rolling bearings--Metric double row tapered roller bearings--Boundary dimensions
GB/T299-1995滚动轴承双列圆锥滚子轴承外形尺寸
Rolling bearings Tapered roller bearings--Boundary dimensions
GB/T273.1-1987滚动轴承圆锥滚子轴承外形尺寸方案
Rolling bearings--Four row tapered roller bearings--Boundary dimensions
GB/T300-1995滚动轴承四列圆锥滚子轴承外形尺寸