pumping unit 中文意思是什麼
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Development of epicyclic gear for wheel - on sky pumping unit with stroke increased
行星齒輪增程式天輪抽油機的研製 -
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。 -
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。 -
Kinematics and dynamics analysis about double horse head pumping unit with arc back horse head
后驢頭為圓弧的雙驢頭抽油機運動與動力分析 -
Optimum design for double - horse head beam pumping unit is a question of non - linear programming with inequality constraint condition and multi - objective function
雙驢頭抽油機優化設計是一個具有不等式約束多目標函數的非線性規劃問題。 -
Performance analysis of the new type of swing - rod pumping unit
新型擺桿式游梁抽油機的性能分析 -
The system of vpi equipment mainly includes vacuum chamber, heating unit, worktable with its drive unit, vacuum pumping unit, gas - charge unit and control unit, etc. this equipment would meet the need of al or cu matrix composites prepared by pressureless infiltration or vacuum infiltration in a high vacuum or special atmosphere
該設備主要出密封罐、加熱系統、升降工作臺、真空系統、充氣系統、控制系統及密封罐水冷系統等組成。可以實現常見金屬基復合材料在較高真空或特定氣氛下的無壓浸滲或真空浸滲制備工藝，並可實現試樣的不同冷卻方式凝固。 -
A coupler drive system for pumping unit is developed by using the theory of hydraulic drive of coupler
摘要運用耦合器液力傳動原理，研製成功抽油機耦合器傳動系統。 -
The improvement of fixing for donkey head of pumping unit
抽油機驢頭緊固形式的改進 -
A new kind of long stroke wheel style pumping unit
一種長沖程轉輪式抽油機 -
This paper mainly focuses on the fluctuation of velocity and torque of the electromotor because of the variational load in the pumping unit equipment
摘要抽油機中載荷變化大，易引起電動機轉速和轉矩的波動。 -
The design of chain type long stroke pumping unit
鏈式長沖程抽油機設計 -
The optimum design method is utilized to design 12 - 5 - 48hb double - horse head beam pumping unit with rear horse head s outline of spiral of archimedes, and the optimum result is analyzed and compared with double - horse head beam pumping unit with rear horse head s outline of three - section circular arc and beam pumping unit
用該優化方法對12 - 5 - 48hb型后驢頭為阿基米德螺線雙驢頭抽油機進行了優化設計，並對優化結果和后驢頭為三段圓弧的雙驢頭抽油機及游梁式抽油機進行對比分析。 -
Application analysis of elastic metal - plastic thrust bearing pads in large pumping unit
彈性金屬塑料瓦在大型水泵機組中的應用分析 -
Analysis and research on the projection declination of horsehead ' s pendulous point of beam pumping unit
游梁式抽油機驢頭懸點投影偏差的分析研究 -
Study and application of packing feeder for pumping unit on oil well
游梁式抽油機井口盤根旋進器的研製與應用 -
The new drive system adopts gear drive instead of the traditional rubber belt transmission, therefore realizes optimum transmission of pumping unit by overcoming the disadvantages of the belt transmission
該系統把傳統的抽油機膠帶傳動改變為齒輪硬性傳動，徹底克服了因膠帶傳動而造成的抽油機傳動效率低、電動機過載被燒毀，以及因慣性載荷造成抽油機的沖擊和振動等弊端，實現了傳動最優化。 -
Field use and test shows that, ( 1 ) the coupler drive system improves the soft characteristics in the starting and transmission of the pumping unit ; ( 2 ) the new drive system solves the problems of drive slippage and frequent change of rubber belt ; ( 3 ) it provides large transmission rate and enables adjusting the stroke number optionally ; ( 4 ) the system efficiency of the pumping unit can be improved and power consumption can be lowered by using the coupler drive system
現場應用測試表明： （ 1 ）耦合器傳動系統可改善抽油機啟動和傳動中的軟特性，提高整機和抽油桿的使用壽命； （ 2 ）解決了抽油機膠帶傳動中打滑「丟轉」和頻繁更換膠帶等問題； （ 3 ）實現了抽油機大傳動比，沖次任意可調，從而滿足供液不足油井和稠油注蒸汽生產井的不同需要； （ 4 ）可提高抽油機系統效率2 . 24 % ，日耗電量下降39 . 6 % 。 -
The research on lower super - long stroke pumping unit with a cylinder - chain
圓柱鏈低矮式超長沖程抽油機的研究 -
High efficiency and energy saving rare earth permanent magnet synchronous motor ( repmsm ) are importance approach to the problem that the cost of oil extraction in chinese oil fields is too high and pulling small car with big horse at large in driving electromotor in pumping unit
我國油田採油成本高，油田抽油機電機數量多、容量大、年運行時間長、耗電量大，採油成本的60是電費。國內外對抽油機電機的節能都很重視，稀土永磁同步電動機具有高效節能的特點，是解決這一問題的重要途徑。
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