拉缸

该型活塞裙部与气缸套贴合良好，无拉缸擦伤现象。柴油机拉缸是柴油机运行中经常出现的故障。

With this type of skirt excellent matches between skirt and liner can he achieved and piston scraping eliminated . Drawing cylinder is a common trouble for running marine diesel engine .

在机械载荷和温度载荷的耦合作用下，活塞更加容易出现裂纹、活塞环胶结及拉缸等问题。

Pistons will be more easier to appear crack , piston cementation and piston scraping by coupling effect of piston under thermal and mechanical load .

阐述了基于VVVF控制、蓄能器做液压配重和活塞拉缸技术的节能原理，分析了系统中蓄能器、主电动机和负载这3个主要功率部件的运行状况。

The energy-saving principle was discussed using VVVF control , the accumulator for hydraulic counterweight and the piston-cylinder lifting technology . The working status the main power elements including the accumulator , the main electromotor and the load in the system were analyzed .

液压升降装置拉缸机理分析和改进措施

Mechanism analysis and betterment measure on scuffing of hydraulic pressure equipment

柴油机拉缸的主要原因及其机理

Principal Causes and Mechanisms of Cylinder Liner Scuffing in Diesel Engines

柴油发动机拉缸原因及防范措施

On causes of cylinder scratching in diesel engine and countermeasures

490型高速柴油机拉缸的改进研究

Improvement of Scuffing of Cylinder Bore for 490 High Speed Diesel Engine

本茨OM402型发动机拉缸问题

On the Cylinder Score of Benz Model OM 402 Engine

对高速柴油机拉缸的分析

Analysis of Cylinder Scuffling of a High Speed Diesel Engine

船用柴油机拉缸故障原因分析及预防措施

Reasons Analysis and Its Prevention of Diesel Engine Cylinder Scoring

柴油机拉缸是柴油机运行中经常出现的故障。

Drawing cylinder is a common trouble for running marine diesel engine .

内燃机拉缸故障诊断型专家系统

A Brief Diagnosis Expert System for Cylinder Scoring Malfunction of Internal Combustion Engine

船舶柴油机拉缸故障振动诊断技术

Marine diesel cylinder score fault diagnosis using vibration technology

天然气压缩机拉缸事故的原因分析及事故处理

Accident Cause Analysis and Treatment to the Cylinder Wear of Natural Gas Compressor

柴油机拉缸故障模拟试验研究

Research on Cylinder Scuffing Simulation Experiment of Diesel Engine

高速直喷式柴油机抗拉缸性能试验研究

Anti-cylinder Scuffing Characteristics of Direct Injection High-speed Diesel Engine

柴油机拉缸故障的扭振诊断技术探索

Research on Diagnosis Method for Diesel Cylinder Score

发动机拉缸的原因及预防

Reasons of Engine Cylinder Scoring and Its Precaution

船舶柴油机气缸套拉缸机理的试验研究

Scuffing Mechanism of the Cylinder of Marine Diesel

Y轮主机拉缸事故分析

Analysis of Main Engine Cylinder Scuffing of M.V.Y

船舶柴油机拉缸及其应急处理措施

Analysis on the Drawing Cylinder for Marine Diesel Engine and the Emergency Management Measure

仿真结果表明：在严重拉缸阶段，两种模型的计算结果相近。

Simulation shows that the results of the two models are close in the havoc phase .

本文介绍柴油机出现拉缸时的现象，产生拉缸的原因及出现拉缸后的应急处理措施。

The article introduce the phenomenon and the reason and the emergency management measure of the drawing cylinder for marine diesel engine .

热负荷和机械负荷耦合将导致活塞产生裂纹、活塞环胶结以及拉缸等。

Hot load and mechanical load coupling make piston to produce crackle , piston-ring glued and scuffing of cylinder bore and so on .

归纳了柴油机缸套的主要故障现象：穴蚀、拉缸、异常磨损。

The paper sums up a main fault phenomenon of etch pit , broach cylinder and abnormal wear about the cylinder sleeve of diesel engine , analyzes the cause of fault phenomenon .

本文着重地论述了汽车在大修中发现发动机汽缸中活塞拉缸问题并就此分析了产生的原因。提出了解决拉缸问题的8项措施。

This paper discusses the problem of the piston of car s engine rubbing cylinder inside discovered in heavy repair , and analyzed the causation , gives out 8 measures to solve the problem .

热负荷与机械负荷的综合作用过大导致活塞产生裂纹、拉缸、咬缸以及活塞环胶结等故障，严重危害内燃机的耐久性和可靠性。

Hot load and mechanical load coupling make piston to produce crackle , piston-ring glued and scuffing of cylinder bore and so on , serious damage the durability and reliability of the internal combustion engine .

各配对副拉缸机理为：停止供油后，油膜不断消耗，当边界膜消耗大于生成时，局部产生黏着点，迅速扩大至整个接触界面。

The scuffing mechanism is that the oil film consumption unceasing after oil cut-off . When the production is less than the consumption of the boundary film , the stick point formed at part of the surface .

对6240柴油机的实例分析表明，不仅可以利用0.5谐次扭振相位角准确判断出内燃机拉缸缸号，还可利用其幅值反映拉缸故障程度。

And the case analysis on 6240 type diesel engine suggested that not only the phase angle of 0.5 order torsional vibration can be used to diagnose the cylinder-scoring number , but also the amplitude can reflect the fault degree .

这种新型抽油泵采用特殊的抽稠结构、强制启闭结构和沉砂结构，可有效避免砂卡和拉缸现象，提高稠油充满系数，从而防止气（汽）锁。

The pump adopts special heavy oil pumping structure , a mechanism for opening and closing pump valve forcibly and a sand sedimentation structure , which can improve the fill coefficient of heavy oil and prevent pump stick and gas locking .