本实用新型涉及钻井泥浆泵的泵阀。
The utility model relates to a pump valve of a well drilling mud pump.
滑块采用液压过载保护装置，进口泵阀控制；
The slide adopts hydraulic overload protecting device, which controlled imported pump valve;
这两类方法得到的结果均说明泵阀运动存在滞后现象。
Both methods demonstrate some delay lag occurring in pump valve movement.
提出一种基于支持向量机的往复泵泵阀故障诊断方法。
Support Vector Machines-based approach is presented for fault diagnosis of valves in reciprocating pumps.
提出了一种基于粗集理论的往复泵泵阀故障诊断方法。
This paper presents a rough set theory based approach for fault diagnosis of valves in reciprocating pumps.
修正后的公式可以比较准确地反映泵阀的实际工作情况。
The modified formula represents much more accurately the actual working condition of the pump valve.
包括“建筑五金、船用五金、球阀、泵阀及机械零件”等。
The company's products include building hardware, marine hardware, ball valves, pump valves and machinery parts.
对泵阀工作时的各种载荷进行了分析，建立了相应的力学模型。
Based on the analysis on all kinds of load while the pump valve is working, we establish the corresponding mechanical model.
计算机模拟识别表明，该系统可较为准确地识别出各泵阀的故障。
Computer simulation shows that the system or software can be used to identify pump valve fault accurately.
实践表明，泵阀位移及运动规律的测试精度能满足理论分析的要求。
Practice proves the testing accuracy of the displacement and motion Pattem of the drill pump valve me...
通过对比和分析不同参数的泵阀结构，建立了注聚泵泵阀cfd模型。
According to comparing and analyzing different parameters of the valve structure, this paper has made the CFD model of the valve of the polymer injection pumps.
试验表明，钻井泵泵阀和缸套经增碳-钒化处理后其使用寿命显著延长。
Test shows that the service life of the drill pump valve and liner after carburizing and vanadiumizing are greatly extended.
泵阀是钻井工作过程的直接组成件，也是钻井泵中最重要的易损件之一。
Drilling pump valve is one of the most important wearing parts of drilling pump.
试制的实验室用泵阀试验台为深入开展钻井泵泵阀的理论研究创造了条件。
The test stand prepares the ground for a through investigation into drill pump valves.
酒泵，自吸泵，轴流泵，淀粉泵，高温浓浆泵，便拆式管道泵，泵阀配件等。
Wine pump, self suction pump, axial flow pump, starch pump, high temperature concentrated slurry pump, detachable piping pump, valve fittings etc.
该方程是关于液缸内液体压力、泵阀升程与泵阀运动速度的一阶常微分方程组。
The new model is a first-order ordinary differential equation group for the fluid pressure in the cylinder...
目前抽油泵泵阀运动规律的理论研究还很不完善，所采用的数学模型也过于简单。
The movement of valve of the oil well pump has not been researched perfectly in theory, and the mathematical models used to describing the movement of the oil pump valve are too simple.
泵阀试验台测控系统主要由试验台的数据采集处理系统和自动控制系统两部分组成。
The measurement and control system of pump-valve testing station is mainly composed of data acquisition, processing system and automatic control system.
以ylb—1000型压裂泵阀箱为例，计算了破坏概率和可靠性，并指出了危险点。
As an example, the failure probability and design reliability of the valve chamber on Model YLB-1000 fracturing pump are analyzed, and the critical points are indicated.
通过测试和分析，得出了泵阀关闭速度与泵压基本无关、泵阀关闭时的冲击能较小的结论。
The test result shows that the closing speed of the valve is not related to the pumping pressure, and the minor impacting energy is produced in the course of valve closing.
泵阀件采用带导向杆的半球形柱塞结构，弹簧制动，精确控制阀球与阀座对中，启闭动作及时。
The pump valve has a structure of semi-spheric plunger with guide rod, and its seat and ball are aligned by means of a spring, and it is opened and closed in time.
本文分析了货油系统管路的泵阀工作状态逻辑，为货油装卸主系统的软件设计奠定了理论基础。
Analyzes the logical status of pumps and valves of the cargo system, which establishes the base of designing the monitoring software of cargo main system.
基于压裂泵阀箱的失效分析，建立了在三向应力作用下计算阀箱可靠性的模型，设计了计算程序。
Based on the failure analysis of the fracturing pump valve chamber, a model for calculating its reliability under three-dimensional stress is established, and a computing program is worked out.
因此输送硫酸的泵阀通常采用高硅铸铁（铸造及加工难度大）、高合金不锈钢（20号合金）制造。
Thus transport of sulfuric acid pump usually high silicon cast iron (casting and processing is very difficult), high-alloy stainless steel (alloy No. 20) to create.
根据所设计的结构方案，完成其液力端部分液缸内压力变化特点、正常吸入条件和泵阀计算的相关理论。
Based on designed structure, we complete hydraulic end's character of pressure changes in the inner of hydraulic cylinder, suck in common condition, the theory of the pump valve calculation.
因此输送硫酸的泵阀通常采用高硅铸铁泵(铸造及加工难度大)、高合金不锈钢泵(20号合金)制造。
Therefore transportation of sulphuric acid valve is usually a high silicon iron pump (casting and machining difficult), high-alloy stainless steel pumps (on the 20th alloy) manufacturing.
鉴于此，笔者试图设计泵阀的变螺距弹簧，以消除阀盘的纵向振谐窜动和径向失稳漂移，提高泵阀工作寿命。
In view of this, a variable pitch valve spring is designed to eliminate the axial shifting and radial drifting of the valve disk and improve the service life of the valve.
汽车零部件、铁路件、压缩机类铸件、泵阀管类铸件、工程机械部件、农用机械部件、高空平台升降机部件等。
Automobile Components, Railway Castings, Compressors Components, Components of Pump, Valve and Pipe, Construction Machinery Parts, Agricultural Machinery Parts, Aerial Platform Parts etc.
通过模拟试验建立了正常泵阀和故障泵阀的细化谱，再经故障验证试验表明了泵阀故障细化谱诊断法的有效性。
The characteristic spectrums of normal and fault pumps are established by simulation experiment and this method is validated by another experiment.
通过模拟试验建立了正常泵阀和故障泵阀的细化谱，再经故障验证试验表明了泵阀故障细化谱诊断法的有效性。
The characteristic spectrums of normal and fault pumps are established by simulation experiment and this method is validated by another experiment.
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