The polished rod is attached to the horsehead by the bridle.
光杆用一段钢丝绳固定于驴头。
A polished rod seal assembly with new structure is introduced.
介绍了一种新型结构的光杆密封盒。
It detects the lateral acceleration of the polished rod to get the jitter information.
并对光杆横向加速度进行了直接检测，得到光杆抖动信息。
This paper has developed a polished rod jitter detection system based on acceleration sensor.
本文研制了一个基于加速度传感器的光杆抖动检测系统。
The peak polished rod load occurs near the bottom of the stroke with the start of the upstroke.
最大光杆负荷发生在上行冲程开始时的冲程底部附近。
The minimum polished rod load occurs near the top of the stroke with the start of the downstroke.
最小光杆负荷发生在下行冲程开始时的冲程顶部附近。
This paper also makes Suggestions for selection to formulae for calculating the polished rod loads.
本文提出了悬点载荷计算公式的几点选用意见。
The difference in the peak load on the upstroke and the minimum load on the downstroke of a polished rod.
光杆上行冲程时的最大负载与下行冲程时的最小负载之差。
A type of pumper that uses a hydraulic power source, a cylinder, and a piston attached to the polished rod.
利用液压动力源、液压缸和固定于光杆的活塞进行抽油的一种抽油机。
The polished rod also forms part of the sealing system between the tubing and the atmospere in the stuffing box.
光杆还成为在油管与盘根盒空间之间的密封系统的组成部分。
The main drive chain and the bearing chain divide the polished rod load into reverse pumping load and equilibrium load.
主传动链与承载链将悬点载荷分解为换向抽汲载荷与平衡载荷。
Provided with a burr-trimming cutter, the bias-adjustable device can remove automatically the burrs on the polished rod.
调偏装置设计有光杆修复刀，可自动修除光杆上的毛刺。
Abstract: To simulate the polished rod load of the pumping unit, a new polished rod load simulation test device has been designed.
摘要：为模拟抽油机悬点载荷，设计了一种新型抽油机悬点载荷模拟试验装置。
The equation of polished rod motion and the power expression of the new pumping unit are derived and the design parameters for a Model 4 unit are presented.
导出了椭圆齿轮抽油机的悬点运动方程和功率表达式，给出了一种四型机型的设计参数。
A demonstration for operation of polished rod laser is given. The output energy is higher and the thermal stability is better than that of roughened rod laser.
演示了抛光棒形固体激光器的运转；其输出能量比毛棒大，热稳定性比毛棒好。
The velocity law of polished rod acceleration is one of the most important performance of pump unit, so it is very important that how to measure it's velocity law.
抽油机的悬点运动规律是抽油机工作的重要工作特性指标，测取其运动规律显得十分重要。
Surface liquid yield measurement using dynamometer card (SLYMUDC) is a method of computing surface liquid yield of Wells by analyzing polished rod load and displacement.
示功图量油就是通过对悬点载荷与悬点位移进行分析，计算井口产液量的一种方法。
By combining the motion state equation with the Kalman filter algorithm, a mathematic calculation method for accurate prediction of the polished rod speed of the pumping unit is worked out.
把抽油机运动状态方程和卡尔曼滤波算法相结合，构造了一套适用的精确预测抽油机悬点速度的数学算法。
The high strength steel (100,000 psi minimum yield) piston rod has a ground, polished, and chrome plated surface.
高强度钢（100，000防扩散的最低收益率）活塞杆有一个理由，打磨，表面镀铬。
The high strength steel (100,000 psi minimum yield) piston rod has a ground, polished, and chrome plated surface.
高强度钢（100，000防扩散的最低收益率）活塞杆有一个理由，打磨，表面镀铬。
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