换向机构

介绍了这种换向机构的结构特点、运动及动力分析情况。采用这种换向机构设计出了滚筒式抽油机。

The design features of the new reverse mechanism is introduced , and kinematic and dynamic analyses are conducted .

抽油机具有双链条同步驱动换向机构，可实现增距式柔性换向；

The Pumping unit has a double-chain synchronous driving and reverse mechanism , and can realize flexible reverse with stroke increment ;

往复组合阀自动换向机构的设计研究

On Design Research of automatic reversing mechanism of reciprocal combination valve

换向机构是滚筒式抽油机的主要部件。无切换换向机构是在分析以往滚筒式抽油机机械换向机构的基础上设计出的一种新式换向机构。

A new reverse mechanism for drum type pumping units is developed .

一种新型冷凝液回收泵磁力换向机构的研究

Research on Magnetic Reverse Mechanism of a New Condensate Fluid Recovery Pump

一种行星齿轮长冲程抽油机的换向机构研究陕北石油秩序

A Kind of Long-Strike Oil Pumping Machine Using Planet-Gear

换向机构盘和伞齿轮

Flat disk turbine agitator steering disc and bevel gear

滚筒式抽油机无切换换向机构设计

New reverse mechanism for drum type pumping unit

直动往复泵自动换向机构

Automatic Reversing Mechanisms of Serial Reciprocating Pump

它的主要原理是采用大摆角正反转的曲柄－齿轮、齿条换向机构，把电动机的旋转运动转变为小齿轮的往复摆动；

It adopts large swing angle crank-gear-rack mechanism to convert the rotating motion of the motor into swinging motion of .

针对传统链条抽油机的平衡机构和换向机构故障率较高、影响生产的问题，设计了一种新型链条抽油机。

A new chain drive pumping unit was designed to prevent frequent failures of the balance mechanism and the reverse mechanism in traditional chain drive pumping units .

另一种是为气压泵设计的机动自动换向机构，该机构是利用渐开线（零度压力角）凸轮机构作为换向机构。

The other is a mechanical automatic reversing mechanism designed for atmospheric pumps , which adopts involute ( zero pressure angle ) cam mechanism as reversing mechanism .

磁力换向机构是新型冷凝液回收泵的关键设备，具备优良的汽蚀性能和流量自调特性，能够可靠、高效的回收冷凝液。

Magnetic reverse mechanism is one of key equipment in a new condensate fluid recovery pump , which can operate in good cavitation and self-regulating flux performance and recover condensate fluid reliably and availably .

该设备由液压驱动机构、连续钢管缠绕机构、换向机构、行走机构、连续钢管压紧机构、推进夹紧机构、矫直机构以及支撑液压系统组成。

This equipment is made up of hydraulic driving mechanism , continuous steel pipe winding mechanism , reversing mechanism , moving mechanism , continuous steel pipe clamping mechanism , pushing and clamping mechanism , straightening mechanism and the supporting hydraulic system .

详细介绍了插装阀组、先导阀及换向机构、往复运动液压缸及其位置反馈系统，并对液压振动系统进行了设计与计算，给出了系统的工作频率和主要结构参数的计算式。

In this paper , the cartridge valve group , the guide valve and change mechanism , vibration cylinder and position feedback system has introduced in detail . The design philosophy , vibration frequency and main structure date of the hydraulic system has given .

间歇换向移动锁定机构设计

Design of A Mechanism for Intermittent Direction - changing , Moving and Locking

游梁式抽油机换向四杆机构瞬时效率计算的解析法

Calculation of Analytical Method of the Instantaneous Efficiency of the Four-bar Linkage of Beam Pumping Unit

采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。

The mechanism which can reverse by the rail of the wagon group is adopted , the rotation mechanism is cancelled , and no fragile control piece is realized in irradiation room and other bad environment .