drill pump

Testing method of the impacting force of drilling pump valve in the course of valve closing;

钻井泵阀冲击力的应变测试方法

In view of the characteristic of severe erosion and abrasion in the drilling pump valve,the flow field of the play of it by FLUENT was simulated and computed in this paper.

针对钻井泵阀冲蚀磨损严重的特点,利用FLUENT软件对钻井泵阀隙内流场分布进行了仿真计算,得到阀隙流场在某一时刻泥浆流速的分布规律。

According to the impact fatigue failure appeared in drilling pump valve,the mechanical characteristic and effect degree of the maximum stress concentration spot when the impact of pump valve happens were mainly studied,hence a non-impact working condition of drilling pump valve based on the effects of stress concentration was put forward.

针对钻井泵阀的冲击疲劳破坏,重点研究了泵阀冲击时产生最大应力集中部位的受力特征及其影响程度,提出了基于应力集中影响的钻井泵阀无冲击工作条件。

Material Selection and processing of small gear shaft in drilling pump;

钻井泵小齿轮轴的选材与加工

Application of demodulated resonance and fuzzy distinguishing technique to fault diagnosis of bearings in drilling pump;

共振解调和模糊识别技术在钻井泵轴承故障诊断中的应用

Simulation Analysis of Speed Regulating Circuit in Pump-control Load-sensing Variable System Based on AMESim

基于AMESim的钻机泵控负载敏感变量系统调速回路仿真分析

Mechanics Analysis of Crank-Connecting Rod in Drilling Pump

钻井泵曲柄连杆机构的受力分析研究

Application of Roll-over Drill Jig in Processing Engine Oil Pump Front Bonnet of Diesel Engine

翻转式钻模在柴油机机油泵前盖加工中的应用

Research of Permanent Magnet Synchronous Motor for Gearless Oil Drilling Mud Pump

无齿轮石油钻探泥浆泵用永磁同步电动机研究

Design and analysis of the load sensing pump control system of the 1500m core-drilling rig

1500m岩芯钻机负荷传感泵控系统的设计与分析

The configuration and debugging in the mud pump variable-frequency drive system of oil rig

石油钻机泥浆泵变频系统的配置与调试

Hydraulic System of ZDY4000L Crawler Driller Base on Pump Controlled Hydraulic Technology

基于泵控液压技术的ZDY4000L履带钻机液压系统

Design of CAT System for Screw Drilling Tools and Screw Drilling Motors

螺杆钻具、螺杆泵性能计算机辅助测试系统的设计

The Analysis on Loading Mechanism of the CFG Pile Composite Foundation with Long Tube Pump Pressure;

长螺旋钻孔管内泵压CFG桩复合地基受荷机理分析

Failure Mechanism of Saturated Silt Caused by CFG Pile Construction

长螺旋钻管内泵压CFG桩施工对饱和粉土的破坏机理及对策

Reform application of CFG drilling machine with continuous flight auger and pump pressure in slant pile foundation construction

长螺旋泵压CFG钻机在斜坡桩基础施工中的改造应用

A new type of mud pump with high flow, high pressure, compactness and light weight is designed for truck mounted water well drill rig, tackling the difficulty in mud pump matching.

为车装水文水井钻机设计大流量、压力、体积、质量的新型泥浆泵，解决其泥浆泵配套难的问题。

To bore(a shaft) with a trepan.

钻用钻井机钻（矿井）

Pump Pressure Analysis of the 3NB2200 High Efficiency Well Drilling Pump

3NB2200型大功率钻井泵的泵压分析研究

high-thrust drill

强力钻机，高推力钻机

kelly for well-drilling machiens

旋转钻孔,钻井机用

churn-type percussion drill

无游梁绳式顿钻钻机

mixed oil drilling rig

复合式石油钻井钻机