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- According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi-power single speed motor and speed regulating pole change motor. 摘要根据地面驱动螺杆泵电动机的实际工况,提出了分挡多功率单速和变极调速2种新的电动机设计方案。
- ground drive screw pump 地面驱动螺杆泵
- Newly developed electric heating hollow rod drive screw pump system adopts hollow sucker rod to drive the screw pump.It has twice the antitorque capacity of the hollow rod with the same cross section. 新研制的电加热空心抽油杆驱动螺杆泵装置采用空心杆驱动螺杆泵,抗扭承载能力比相同横截面积的实心杆增大近1倍。
- In the light of the frequent breaking of the rod string in a surface driven screw pump well, the force condition of the string in the well is analyzed by means of the elastoplasticity theory. 针对井口驱动螺杆泵抽油杆柱断脱频繁的问题,应用弹塑性理论分析了抽油杆柱在井中的受力状况。
- LGB screw pump is corrosion-resisitant . 并具有耐腐蚀性。
- How doesn't whelk leave scar, be fond of ground drive? 青春痘如何不留疤、不疼地驱除?
- Figure 1 express cutaway view of the three screw pump. 图1表示三螺杆 泵的剖视图。
- Optimization design theory of screw pump production system has been discussed particularly, which include selection of screw pump, rod, tube, matching tool and drive sub. 详细论述了聚驱螺杆泵生产系统优选理论,包括螺杆泵的选择、抽油杆柱、油管、配套工具和驱动头的选择。
- The computing procedure of all profiles design for double screw pump has been. 介绍了双螺杆泵各类型面设计的计算机设计程序。
- The lens has no internal AF motor and relies on a slotted drive screw operated by the camera. 该镜头没有内部马达,需要依靠机身的对焦马达驱动。
- The article presents the principle, basic structure, main features and strike characteristics of new double strike electric drive screw press. 介绍了双击式直接电动螺旋压力机的工作原理、基本结构、主要特点及其打击特性。
- An automatic control system of screw pump is introduced in this paper.Accident is avoided while the screw pump works without slurry. 介绍了一种螺杆泵电气自动控制系统,成功地避免了螺杆泵在无矿浆状态下运行造成的毁坏事故。
- Main production gear pumps, screw pump, pump, high viscosity rotor pump. 主营生产齿轮泵、螺杆泵、离心泵、高粘度转子泵。
- PCM screw pump was used immediately after steam injection in Well Shu 1-39-036 and achieved initial success. 在曙1-39-036井注汽结束后直接采用PCM螺杆泵生产,获得阶段性成功。
- The hydraulic pressure is used to drive screw and piston.The nut displacement cooperates with the piston micro-displacement to clamp aluminum stick.Many aluminum sticks could be clamped together. 机构采用液压驱动,螺旋传动移位,螺母位移与活塞微动相配合夹紧,可同时夹持多根铝棒。
- Machinery and other production methods, screw pump system is characterized by a higher system efficiency, a study of its great significance. 与其它机械采油方式相比,螺杆泵采油系统的突出特点是系统效率较高,对其进行研究意义重大。
- Our factory take the processing screw rotor as startinr points,developed the type of screw pump,screw spindle compressor,screw freezer. 我厂以螺杆转子加工制造备件起点,开发螺杆泵系列产品,螺杆式压缩机、冷冻机主机。
- According to the energy loss of every part of screw pump well,established system efficiency analysis model for the well. 根据螺杆泵井各个部分运动特点及能量损失情况,建立了螺杆泵井系统效率分析模型。
- An eccentric screw pump was used in place of centrifugal pump for conveyance of scum, so as to solve the clogging of the latter. 用偏心螺杆泵替代离心泵输送浮渣来解决离心泵堵塞的问题。
- For the disadvantage and shortage, thefour-location oil field screw pump rubber stator injection-vulcanization unit is newlydesigned. 针对其存在的缺点与不足,全新设计了四工位油田螺杆泵橡胶定子注射硫化机组。