polished rod 中文意思是什麼

polished rod 解釋
光桿
  • polished : adj. 1. 擦亮的，光亮的，磨光的。2. 優美的；精練的。
  • rod : ROD ＝rewritable optical disc 【計算機】可重寫光盤〈其內存信息可由激光讀出並加以編輯的光盤〉。n 1...
  1. Servo - aligning sealer for polished rod at wellhead

    抽油井口隨動對中光桿密封器
  2. Development and application of centralizing polished rod stuffing box

    隨動對中光桿密封器的研製與應用
  3. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  4. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  5. Diagnosis of the production system from the load borne by the polished rod

    螺桿泵井光桿受力法工況診斷技術
  6. Development of auto - adjusting sealing device of polished rod used on heavy oil thermal recovery wellhead

    稠油熱采井口光桿自動調偏密封裝置
  7. Design of the polished rod dropout braking system

    抽油機光桿斷脫抱死系統設計
  8. The calculation model can be used to optimize the structure and size of the rear horsehead, solve the problem that the structure and size of the rear horsehead affect the kinematic parameters of the polished rod and the torque factor, as well as the performance of the unusual shape beam pumping unit

    利用此方法可以準確而迅速地求出不同機型的懸點位移、速度、加速度及扭矩因數等各項運動參數，也可計算優化后驢頭的結構尺寸，解決異形游梁式抽油機后驢頭結構與尺寸直接影響懸點的運動參數和扭矩因數，進而影響抽油機工作性能的問題。
  9. Effects of polished rod clamps on polished rod fatigue life

    光桿卡對光桿疲勞壽命的影響
  10. Application of new type polished rod sealor

    新型光桿密封器的應用
  11. Kinematic parameters of different types of pumping units, including the displacement, velocity and acceleration of the polished rod and the torque factor can be calculated easily and accurately by using this method

    為此，根據幾何關系和運動特點，建立了運動學模型，提出了異形游梁式抽油機運動參數的求解方法。
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