鉆頭軸承 的英文怎麼說

中文拼音 [zhēntóuzhóuchéng]
鉆頭軸承 英文
bit bearing
  • 鉆 : 鉆Ⅰ名詞1. （打眼用的工具） drill; auger 2. （指鉆石） diamond; jewel Ⅱ動詞（用尖物在另一物體上轉動） drill; bore
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  • 承 : Ⅰ動詞1 （托著; 接著） bear; hold; carry 2 （承擔） undertake; contract （to do a job） 3 （客套話...
  • 軸承 : [機械工程] bearing; axle bearing; bearing of shafts; gudgeon block; mechanical bearing; pillow; s...
  1. Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in

    基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣
  2. Two or more cutters, rotating freely on ball-bearings, are set in the head of the bit.

    可在鉆頭上安裝兩個或更多的支在滾珠軸承上自由旋轉的切削刀具。
  3. Contact stress analysis on the bearing of single - cone bits

    單牙輪鉆頭軸承接觸應力分析
  4. High speed journal seal of cone bit design and finite element method analyze

    高速牙輪鉆頭軸承密封副設計與有限元分析
  5. The recent development trend of cone bits is to realize their high speed. faster the speed of bit is, the more weak of common bearing seals worked under the rough environment is

    牙輪鉆頭目前的發展趨勢是實現高速化，隨著鉆頭轉速的不斷提高，在惡劣環境下工作的普通軸承密封這一環節的薄弱性將顯得越來越突出。
  6. According to achievements in research, using face - radial sealing structures can adapt to the developing trend of increasing rotary speed of cone bit to a certain extent in lubricating system of bearing seal, which is cramp to bit service life

    本文的研究表明，在偉l ]約鉆頭壽命的軸承密封潤滑系統中，採用端面一徑向組合密封結構能夠在一定程度上適應牙輪鉆頭轉速提高的發展趨
  7. To enhance the reliability of bearing seal of cone bit, this paper plans to adopt face - radial combination sealing structures ; that is to say, end - face and radial seal are arranged in one bit simultaneously. the nonlinear finite element method is applied to analyze and optimize the design of sealing structures

    為了提高牙輪鉆頭軸承密封的可靠性，本文設計採用端面-徑向組合密封結構，即在一隻鉆頭中同時布置端面和徑向密封，採用非線性有限元方法對密封結構進行分析和優化。
  8. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作，提出改進措施： （ 1 ）採用改型環形泵體降低葉輪的徑向力，減小軸封間隙，抑制泄漏； （ 2 ）採用背葉片降低葉片根部壓頭，獲得微壓，使軸封兩端承受較小壓差； （ 3 ）採用螺旋密封降低軸封兩端壓差，在保持微壓的同時避免出現負壓，密封效果更好； （ 4 ）採用反壓式填料密封結構，在很小的壓緊力下，即可保證密封； （ 5 ）採用具有潤滑功效的柔性石墨填料，即使發生軸封泄漏，進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。
  9. The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc

    大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。
  10. It has basically matched with low speed sealing bearing bit, but it cannot avoid its fault

    它與低速密封軸承鉆頭已基本匹配，但其失效不可避免。
  11. The most common sealing ring of bit bearing is single o - ring, which is made of rubber

    最常用的鉆頭軸承密封圈是單個o形圈，主要以丁腈橡膠製作。
  12. The service life of cone bits which play an important role in breaking rock of the bottom of a well is almost directly decided by the life of bit bearing, which depends a large extent to the life of their seals

    牙輪鉆頭在井底破巖中起著主導作用，它的使用壽命幾乎直接取決于鉆頭軸承的壽命，而軸承的壽命在很大程度上有依賴密封的壽命。
  13. Therefore, we should not neglect the study and improvement for the service life of bearing while researching cone bits

    因此，在研究鉆頭的同時，決不可忽視對軸承壽命的研究和改進。
分享友人
分享到 Line

分享到臉書