游梁式抽油机是井下抽油泵的地面动力设备。在制造技术上有许多新的发展。8型、10型、12型游梁式抽油机采用了驴头转角自让位新结构，可简化现场维修操作，方便用户。
The beam pumping unit is a kind of ground power equipment of the downhole pump.While there are many new developments in manufacturing technique,the types of 8,10 and 12 beam pumping unist have adopted the new structure of the horsehead rotary angle and selfshift,which help to simplify the well site operation and maintenance in the light of the user,s文字