1、

the compliance effect of a high-speed ball-screw feed drive system is modeled in this work.

文中建立了 高速 滚珠丝杠进给系统屈服形变模型.

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2、

Aimed at the problems that sucker rods of the ground drive screw pump break and collars thread off frequently, the frequency conversion timing equipment of screw pump wells and the automatic control system are developed.

针对地面驱动螺杆泵抽油杆断、脱频繁,单井提液调参难以控制等问题,开发了螺杆泵井的变频调速装置及自动控制系统。

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3、

Aiming at the design requirements of shield tunnelling machine for simulator test rig, hydraulic systems of shield were designed and manufactured by applying electro-hydraulic proportional control technology, which included thrust hydraulic system, screw conveyor hydraulic system and cutting wheel drive hydraulic system.

针对盾构掘进机模拟试验台的设计要求,采用电液比例控制技术设计制造了盾构掘进机液压系统,包括推进液压系统,螺旋输送机液压系统以及刀盘驱动液压系统。

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4、

hydraulic drive and control system of shield screw conveyor

盾构螺旋输送机液压驱动及控制系统

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5、

Direct-drive, semi-hermetic screw compressor for high reliability.

螺杆压缩机采用压差给油,更加安全可靠。

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6、

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。

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7、

The 2K-H nutation mechanism of gear roller mesh is applied to the reducer which drive a petroleum exploitation screw pump under ground. A new nutating reducer was designed and manufactured, and through the test, satisfied result was acquired.

将齿滚啮合的2K-H型进动机构应用于井下驱动螺杆泵采油系统的减速器中,设计、制造出一进动式减速机,并在实验台上进行了测试,结果满足要求。

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8、

Screw pumps can be effectively used for oil withdrawal on viscous oil wells, sand wells, low production wells and those late in water-drive course.

螺杆泵能用于游梁式机泵和电潜果无法拍采的稠油并、含砂油并和低产油井及中后期水驱油田的采油作业。

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