曲柄链条动滑轮式长冲程抽油机是一种新型抽油机。
The crank-chain driving and long stroke pumping unit described in this papes is a new type of pumping unit.
齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机。
The pumping unit described in this article consists of a frame-mounted mechanical reversing drum.
复合天轮式长冲程抽油机主架由四柱扁框架、两个悬臂梁和两个后支腿组成。
The framework of the long-stroke pumping unit with compound crown sheave consists of a flat frame with four columns, two cantilever beams and two back legs.
无游梁塔架式胶带传动长冲程抽油机由曲柄-连杆-滑块机构、动滑轮-窄胶带-定滑轮机构和复合滚筒增程机构组成。
The tower type belt driven long stroke pumping unit is composed of the crank-linkage-slide mechanism, movable pulley-narrow belt-fixed pulley mechanism and compound drum stroke-increment mechanism.
并对国内已经生产及正在开发的各种长冲程抽油机进行了剖析，指出了对现场在用的常规及异相抽油机进行增程改造的意义。
The author analyses the domestic made long stroke well pumping units both in use or in developing and points out the significance of the transformation of lengthenings…
对新型长冲程抽油机——竖游梁塔架式抽油机的运动分析方法进行了研究，导出了该机悬点位移、速度及加速度的计算公式。
The method of motion analysis of new type and long stroke pumping unit with vertical walking-beam and pylon was studied.
主要产品有长冲程节能型抽油机和盘式刹车。
The main products are Long-stroke energy saving oil pumper and disk type brake.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
文章介绍了一种挂钩换向链条驱动的长冲程节能抽油机的结构和工作原理。
A new type of energy-saving and long-stroke pumping unit is designed.
因此，研制一种结构简单、可靠性好、维护方便且能实现长冲程、大排量、重负载的新型抽油机，仍然是一个急需研究的课题。
Therefore, the development of a simple structure, good reliability, easy maintenance, and can achieve a long stroke, large displacement, heavy load of new unit, is still a much-needed study.
该抽油机具有体积小、占地面积少，易于实现长冲程、低冲次、便于实现自动化控制等优点。
This pumping unit has many advantages such as small in size, easy to perform long stroke with low stroke times, and convenient to realize automatic control, etc.
该抽油机具有体积小、占地面积少，易于实现长冲程、低冲次、便于实现自动化控制等优点。
This pumping unit has many advantages such as small in size, easy to perform long stroke with low stroke times, and convenient to realize automatic control, etc.
应用推荐