白 柳

 (山西工程职业技术学院，山西省太原市  030009)

摘  要：本文对液压同步开环控制和闭环控制进行了分类和比较，并对几种不同形式的闭环控制原理进行了分析。

关键词：液压传动，开环控制，闭环控制，同步精度

中图分类号： TH137    文献标识码：A      文章编号：1008-0813(2010)07-0001-04

The Compare Synchronous Open-loop Control with Closed-loop

Control of Hydraulic

BAI  Liu

(Shanxi engineering vocational and technical college, Taiyuan 030009,China)

Abstract：In this paper， hydraulic synchronous open-loop control and closed-loop control are classified and compared ,and several different forms of the closed-loop control principle is analyzed.

Key Words：Hydraulic Transmission; open-loop control; closed loop control

李志华， 韩震，王志刚

（海军蚌埠士官学校兵器系，安徽蚌埠，233012）

摘要： 在分析泄放阀技术特点的基础上，通过对泄放阀开启时间和出流面积控制的计算，得出鱼雷发射深度与泄放阀开启时间的变化规律。不同发射深度下，无泡系统的海水回收量，只取决于泄放阀的有效流通面积大小及开启时间的长短，也就是取决于泄放阀通径和小孔放气时间。

关键词：发射装置；鱼雷；泄放阀

中图分类号： TJ63⁺1.2  TJ012.3  文献标识码：A   文章编号：1008-0813(2010)07-0004-03

the Design and Adjustment of the Submarine Gas Launching Device cut-off Pressure
  LI Zhihua， Han Zheng,Wang Zhi-gang  

（Weapon Department, Beng Bu Navy Petty Officer Academy,  AnHui  BengBu , 233012）

Abstract：The regularity of the launching depth with the drain valve open time is got based on the calculation of the drain valve open time control. The quantity of the recovery sea water was decided by the drain valve circulation area size and open time in the different launching depth. The ejecting hole is resolved to two parts. The no-bubble system is optimized with the matrix arithmetic.

Key Words：launching device；torpedo ； the drain valve

张万军¹  王国志  韩涛

(西南交通大学先进驱动节能技术教育部工程研究中心，四川成都 610031)

摘  要:斜盘式柱塞泵广泛地应用于液压挖掘机，利用ANSYS软件对其进行模态分析。讨论了斜盘的受力，螺栓有限元模型的简化，以及无预紧力和有预紧力状态下三种不同接触类型的模态特性，直观定量地显示了泵壳的模态以及振型，为泵的改进以及振动噪声控制等提供理论依据。

关键词:柱塞泵;预紧力;模态分析;ANSYS Workbench

中图分类号:TH137.5        文献标识码:B        文章编号: 1008-0813(2010)07-0007-04

The Mode Analysis of Swash-Plate Axial-Piston Pump

Used By Hydraulic Excavator

ZHANG Wan-jun¹  WANG Guo-zhi HAN Tao

（Southwest Jiaotong University Engineering Research Center of Advanced Driving Energy-saving Technology Ministry of Education Sichuan Chengdu 610031）

Abstract:the swash-plate axial-piston pump modeled with cad is extensively used by hydraulic excavator.Then computing then force applied to the swash by the piston,and discussing the model of the bolt in the FEM.computing the pump model shape with ANSYS Workbench software in two loading condition:with preload of bolt and without preload is used for advcand designing and controling the vibration and nosy.

Key words:piston pump,prelaod,model shape analysis,ANSYS Workbench

二级调速系统速度稳定性的影响

 曹义忠

(石家庄职业技术学院机电系, 河北石家庄 050081)

摘  要：通过对限压式变量泵在多级调速系统中压力和流量的分析，论证了在多级调速时速度下降负载压力上升时压力死区的存在。给出了限压式变量泵弹簧刚度对压力死区的影响。

关键词：限压式变量泵  多级调速  弹簧刚度   压力死区  速度的稳定性

中图分类号：TH137.51       文献标识码： B     文章编号: 1008-0813(2010)07-0010-03

The Type of the Variable Pump Spring Stiffness

Secondary Speed Regulation System of Speed Stability

CAO Yi-zhong

(Shijiazhuang vocational technical college; Electrical Department,Shijiazhuang 050081)

Abstract: Based on the variable pump pressure type in multistage speed regulation system of the pressure and flow analysis demonstrated in multi-stage speed, load pressure drop speed up when the pressure when death. Given the limited pressure of pump pressure die spring stiffness of influence.

Key Words: the variable pump type; multistage speed; spring stiffness; pressure die area;speed stability

与改善措施

况群意

（中冶南方工程技术有限公司，湖北武汉 430223）

摘  要：本文结合国内某大型钢厂两条硅钢连退机组的实际运行情况，对可能造成带钢跑偏的几种原因进行了分析，并着重从以阀控缸为动力元件的纠偏电液位置伺服系统的工作原理着手，通过建立系统数学模型，对该纠偏系统的稳定性和响应速度等动态特性进行分析，得出纠偏系统纠偏能力不足的原因，提出了有效的解决措施。

关键词：纠偏系统;稳定性;响应速度;

中图分类号:TH137.9      文献标识码：B    文章编号：1008-0813(2010)07-0012-04

Analysis of strip off-tracking for ACL and improvement countermeasures

KuangQunYi

(WISDRI Engineering & Research Incorporation Limited,wuhan 430223)

Abstract: On the basis of actual operation of two silicon steel ACL lines in a large steel plant in China, this article studies into several reasons that possibly cause strip off-tracking. It focuses on the working principle of electro-hydraulic position servo steering system driven by valve-controlled cylinders, analyzes the dynamic characteristics of the system such as stability and response speed etc. through system mathematic model established and summarizes the reasons for its imperfection. In response, this article proposes effective countermeasures to solve the imperfection.

Key Words: steering system; stability; response speed；

张铁新

（锦州石化公司设备研究所，辽宁 121001）

摘  要：针对螺杆压缩杌组运行过程中振动幅值高居不下的状况，分析了发生的原因，提出了解决的措施，取得了良好效果，对于类似螺杆压缩机的日常维护有一定借鉴意义。

关键词：螺杆压缩机；齿面磨损；转子

中图分类号:TH138.21     文献标识码：B    文章编号：1008-0813(2010)07-0016-03

Analysis and Treatment of Screw Compressor Vibration Failure

Zhang  Tie-xin

(Jinzhou Petrochemical Company Equipment Institute，Liaoning 121001)

Abstract：It is considerably good reference to similar screw compressor that the causes is analysis, the measures is proposed, and good results is achieved, against condition of vibration amplitude increase of the screw compression during the operation.

Key Words：screw compressor, gear surface wear, rotor

黄 为   吴百海

(广东工业大学，广州510090)

摘要：本文针对海底冷泉天然气渗漏参数进行数据采集的需要，利用超声波获取海水中被测对象的参数，研究出一种气泡流量超声波数据检测系统。同时，建立了模拟实验装置并进行了前期实验，验证了该系统的可行性，为工程实现提供了技术原型。

关键词：天然气渗漏参数；气泡流量；超声波；数据采集

中图分类号:TH137.9      文献标识码：B    文章编号：1008-0813(2010)07-0019-03

A kind of bubble flow ultrasonic detection system research

HUANG Wei  WU Baihai

(Guangdong University of Technology，Guangzhou  510090)

Abstract: It is the main purpose to complete the data collection for undersea gas leakage parameter. The use of ultrasound to obtain the parameters of the object measured in seawater, we developed an ultrasonic detection system for bubble flow. And we set up a device for simulating,completed a pre-test,verify the feasibility of the system . It has provided technical prototype for engineering realization.

Key words: gas leakage parameter；bubble flow；ultrasound；data Acquisition

周政，何忠韬

（兰州交通大学  机电工程学院，甘肃 兰州 730070）

摘要：本文从仿生学的角度提出了一种仿人体心脏器官以及血管管道的液气缓冲器，它含有类人体心脏器官的各大油腔和类人体血管循环的橡胶管道，设计出了它的基本结构，分析了它的工作原理，建立了其简单数学模型，并计算出了它的能量吸收率，为液气缓冲器的发展提供了一条新思路并奠定了一定的理论基础。

关键词：心脏；血管；液气缓冲器；能量吸收率

中图分类号：U260.34+2        文献标识码：A    文章编号：1008-0813(2010)07-0022-04

Calculating the energy absorption rate of a new hydraulic-gas buffer

ZHOU Zheng   HE Zhong-tao

(college of mechanical and electrical engineering, Lanzhou Jiaotong University, Lanzhou , China 730070)

Abstract: This article offers a kind of hydraulic-gas buffer of imitation of human heart organ and blood vessel from the standpoint of bionics, which contains some oil chambers of imitation of the human heart organ and rubber pipe of imitation of human blood. And it has designed its basic structure, analyzed its work principle, established its simple mathematical model, and calculated its energy absorption rate. It has provides a new way and laid a theoretical foundation for the development of hydraulic-gas buffer.

Key words: heart; blood vessel; hydraulic-gas buffer; energy absorption rate

王科   谢苏江

（华东理工大学机械与动力工程学院，上海 200237）

摘  要：采用模压烧结工艺制备了陶瓷微粒改性聚四氟乙烯（PTFE）密封材料，并对其拉伸强度、压缩回弹性能和蠕变性能做了系统的研究。结果表明，该密封材料具备较好的抗拉强度，优异的压缩回弹性能和较高的抗蠕变松弛性能，可以代替同类进口密封材料应用于食品、化工、石化、造纸和医药工业。

关键词：填充；聚四氟乙烯；密封；性能

中图分类号：TB42         文献标识码：       文章编号：1008-0813(2010)07-0025-04

Study of the properties of ceramic particles filled PTFE sealing material

Wang Ke  Xie Sujiang

（Institute Research of Pressure Vessel and Process Equipment, East China University of Science and Technology, Shanghai 200237，China）

Abstract:Ceramic particles filled PTFE sealing material is developed by die pressing and sintering.The tensile strength ,compressibility recovery and creep relaxation of this material are studied. The results show that this material has excellent tensile strength, fine compressibility recovery and outstanding resistance to creep relaxation, it can replace imported products used in food, chemical, petrochemical, paper and pharmaceutical industries.

KeyWords: filled,PTFE,sealing,properties

上官红喜

（临汾职业技术学院，山西临汾 041000）

摘  要：液压系统故障部位较难找出，本文阐述了现场施工中的工程机械液压系统诊断的条件、步骤、诊断方法。

关键词：工程机械；液压系统；故障诊断

中图分类号：TH137.7           文献标识码：B       文章编号：1008-0813(2010)07-0028-03  

The Site Construction Engineering Machinery Hydraulic

System Fault Diagnosis

SHANGGUAN  Hong-xi

(Linfen Vocational ang Technical College,Linfen 041000,China)

Abstract：It’s difficult to identify the parts of hydraulic system failure.This paper expounds the construction site of the hydraulic system of engineering machinery diagnosis, diagnosis methods and steps conditions

Key Words：construction machinery; hydraulic system; fault diagnosis

邹铁汉

（北京起重运输机械设计研究院，北京  100007）

摘要：针对各类大型带式输送机的驱动与制动系统的配置进行分析，并对多方案进行比较。

关键词：大型带式输送机；驱动系统； 制动系统

中图分类号：TH137.33       文献标识码：B    文章编号：1008-0813(2010)07-0030-02

Large Belt Conveyor Drive and Braking System

ZOU Tie-han

（Beijing Materials Handling Research Institute，Beijing  100007）

Abstract: The various types of large belt conveyor drive and braking system configuration analysis, and multi-program comparison.

Key words: large-scale belt conveyor;driving system;brake System

李红侠   张绪庆

（南昌长力钢铁股份有限公司高线分厂，江西南昌  330012）

摘  要：分析高线厂油气润滑系统存在的问题，提出有效的技术改造措施，确保轧机轴承和导位轴承润滑充分且运行稳定。

关键词：油气润滑系统;轴承;技术改造

中图分类号:TH137.3             文献标识码: B       文章编号: 1008-0813(2010)07-0032-02

Optimization and transformation of High-wire air-oil lubrication system

LI Hong-xia, ZHANG Xu-qing

(Nanchang changli Iron and Steel Co.,Ltd.High wire factory, Nanchang 330012,China)

Abstract:  The existing problems of air oil lubrication system are analysed in the High wire factory and proposing effective technical transformation measures to ensure that rolling mill bearings and guide-bit bearings full lubrication and stable operation.

Key Words: air oil system; bearings; technical transformation.

陈乾斌    司冀    史维祥

（西安交通大学SMC气动技术中心，西安 710049）

摘  要：本文论述了气动元件流量特性参数有效截面积S和声速流导C及临界压力b的由来。根据声速放气法和国际标准ISO6358，设计了两种气动元件流量特性测试系统，可以在多种实验条件下迅速方便地完成对气动元件流量特性参数S，C, b值的检测。系统软件采用编程效率高的Labview编写，可供工业应用。

关键词：气动；流量特性；声速放气法；ISO6358；测试系统；Labview；

中图分类号：TH138.5        文献标识码：A         文章编号：1008-0813(2010)07-0034-05

Research on Flow Rate Characteristics Measurement System

for Pneumatic Components

  CHEN Qian-bin    SI Ji    SHI Wei-xiang 

（Xi’an Jiaotng University SMC Pneumatic Technology Research Center, Xi’an 710049, China）

Abstract: In this thesis the origin and definition of effective cross section area S, sonic conductance C and critical pressure ratio b are introduced. According to sonic velocity exhaust method and ISO6358, two flow rate characteristics measurement systems were built which can measure the flow characteristic values C, b, S quickly and easily under different operating conditions. The systems were programmed by Labview, the programming efficiency of Labview was very high, they can be used in industry.

Key Words: Pneumatic, Flow rate characteristics, sonic velocity exhaust method, ISO6358, Measurement system, Labview

姚威 ¹  朱培显² 

 (马鞍山钢铁股份有限公司, 安徽省马鞍山市 243000)

摘  要：近年来，国内一些特大型钢铁公司都相继从国外引进了现代化的热轧带钢生产机组。这些机组的共同之处是都配置了工作压力高、流量大、控制精度高的液压系统，这为生产大压下量、大规格、高精度的板带材提供了必要的设备条件。本文分析了某大型热轧轧机液压回油管路多次爆裂所导致的事故，并提出了解决方法和改进措施。

关键词：回油管路；液压缸；自动宽度控制

中图分类号：TH137.8      文献标识码： B    文章编号：1008-0813(2010)07-0039-04

Analysis of Return Line Bursting on Hot Mill High

Pressure Hydraulic System

YAO Wei¹  ZHU Pei-xian ²

（Maanshan Iron & Steel Co.Ltd.,Maanshan 243000, China）

Abstract: In recent years , some domestic steel corporations import modern hot mill equipment ,some of the same treats of those systems are equipped high pressure , high flow volume , precision controlled hydraulic system . These systems provide necessary conditions for rolling highly screw down , large scale , high preciseness coil steel . This article analyzes some accidences of a hydraulic system return line bursting, proposes solutions and modification.

Key words: return line ; cylinder ; AWC（automatic width control）

张英婵

(太原重工股份有限公司技术中心   山西  太原   030024)

摘  要：本文阐述了水压试验机中钢管夹紧装置在实际应用中出现的问题，提出了先进完善的设计方案，对其液压控制原理作了详细的分析。

关键词：钢管、水压试验机、夹紧装置、液压控制系统

中图分类号：TH137.5    文献标识码：A    文章编号：1008-0813(2010)07-0042-03

The Hydraulic System for Pipe Clamping Unit

ZHANG  Ying-chan

(Taiyuan Heavy Machinery Group Limited Company Technology Center,Taiyuan 030024,China)

Abstract: the article describes questions in using about Pipe Clamping Unit of Hydrostatic Pipe Tester, put forward the advanced and percet project, and it  analyses hydraulic system of the equipment in detail.

Key words: Pipe, Hydrostatic Pipe Tester, Clamping Unit, Hydraulic System

吴立平

（湖南工业职业技术学院   湖南长沙  410208）

摘要：文章简述了球磨机的启动运行特点，液力偶合器在球磨机上的应用及其选型、匹配以及应引起注意的问题

关键词：球磨机； 液力偶合器； 匹配；选型

中图分类号：TH137.33          文献标识码：B    文章编号:1008-0813(2010)07-0044-05

The Application and Selection on the Hydraulic Coupler

 in the Ball Mill

WU  Li-ping

(Hunan Industrial Vocational and Technical College ,Changsha  410208,  China )

Abstract： This article introduced the characteristic in starting   and movement of ball mill , and choose the type matching and should attractor problem of the hydraulic couple as the piece in ball mill.

Keywords：Ball mill;Hydraulic couple;Matching;Shoose type

朱培显  

(马鞍山钢铁公司  安徽马鞍山 243000)

摘要：连铸机钢包事故回转装置是连铸设备不可缺少的配置，该装置对于连铸生产起着重要的安全保障作用。事故回转的驱动方式通常有液压和气动两种。本文分析了某钢厂引进的圆坯连铸机钢包事故回转装置气动系统及其不足之处，介绍了对其进行改造的情况，推荐了一种实用可靠的气动回路。

关键词：钢包回转台 事故回转 气动马达

中图分类号：TH138.7     文献标识码：B     文章编号：1008-0813(2010)07-0022-048-03

Improvement of the Pneumatic System For the Ladle

 Turret Accident Rotation

ZHU  Pei-xian

(Maanshan Iron & Steel Co. Ltd. Maanshan 243000,China)

ABSTRACT：The ladle turret accident rotation equipment is an important equipment of the continuous casting machine, which plays a safety role for the production of the CCM. The drive mode is either hydraulic or pneumatic normally. A pneumatic system is used in the round bloom CCM of a big steel company. The disfigurement of this system is analyzed and how it is reformed is described here. A useful and reliable pneumatic system is introduced .

KEYWORDS：ladle turret, accident rotation, pneumatic motor

张兴明¹ 孙玉清 陈海泉 李文华 李明智

（大连海事大学轮机工程学院，辽宁大连 116026）

摘  要：介绍了一种新型平衡阀的结构特点，阐述了工作原理，对该阀进行合理的简化，建立了该平衡阀的静态数学模型，利用MATLAB计算其静态特性，并且与已存在的某型号平衡阀进行对比，为该阀的研制提供了理论参考依据。

关键词：平衡阀；低控制压力；静态特性；

中图分类号：TH137    文献标识码：B      文章编号：1008-0813(2010)07-0050-03

A New Type of Low-Control-Pressure Counterbalance Valve

ZHANG Xing-ming¹ SUN Yu-qing CHEN Hai-quan LI Wen-hua LI Ming-zhi

(Marine Engineering College, Dalian Maritime University, Dalian 116026,China)

Abstract: In this paper, the structural characteristics of a new type of hydraulic counterbalance valve is introduced, and the principle of the valve is introduced in detail, through the reasonable simplification of this valve, a static mathematical model of the valve is created, the paper calculate the static characteristics of the valve by MATLAB, and compared with existing counterbalance valve, the results provide theoretical reference for the structure design of the valve.

Key Words: counterbalance valve, low-control-pressure, static characteristics,

张友根

（宁波海达塑料机械有限公司，浙江宁波  315200 ）

摘  要：分析了传统联轴节的性能，研究了伺服电机与液压泵之间联轴节的特点，介绍了一种新型的经实际应用具有良好性能的用于伺服电机驱动液压泵的刚性高速联轴节。

关键词：伺服电机;刚性高速联轴节

中图分类号：TH137.5    文献标识码：B     文章编号：1008-0813(2010)07-0053-02

One New Kind of Stiffness High- speed  Coupling

ZHANG You-gen

(Haida Ningbo Plastic Machinery Co., Ltd. Ningbo 315200)

Abstract: Analysis of the performance of the traditional coupling，Study the coupling characteristics  between the servo motor and pump , introduced a new kind  of stiffness  high-speed  coupling by the good performance in practical application between the servo motor and pump. 

Key Words: servo motor；stiffness high-speed  coupling

张志刚    刘  昊

（浙江大学流体传动及控制国家重点实验室，浙江  杭州  310027）

摘  要：本文在分析光电色选机工作原理的基础上，设计了基于ARM的色球分选系统以对光电色选机的工作特性及关键参数进行研究，利用计算流体力学的方法通过计算机仿真分析得出了喷嘴外流场的速度分布图，理论分析及实验研究的结果对提高现有光电色选机的性能具有重要意义。

关键词：ARM；光电色选；高速开关阀

中图分类号：TH138     文献标识码：A      文章编号：1008-0813(2010)07-0055-04

Research of the Photoelectric Color Sorter System Based

On ARM Controller

  ZHANG  Zhi-gang     LIU  Hao

（The State Key Lab of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China）

Abstract: The paper researches on the Photoelectric color sorting machine’s working Principle and design a Photoelectric color sorting machine based on ARM controller in order to research the machine’s working characteristics and key parameters. And the distribution maps of flow velocity out the nozzle had been obtained by using computer based on the CFD method. The experimental results are very important to improve the Photoelectric color sorting machine’s performance.

Key Words: ARM, photoelectric color sorter, high-speed on/off valve

于泳红  王俊发

(佳木斯大学机械工程学院黑龙江 佳木斯)

摘要：本文通过对工件的径向沟槽测量结果统计，对新近研发的能够安装在立式钻床上的液压径向进给专用刀具加工性能进行CPK制成指数分析。证明了这种刀具适用于加工轴向孔内的径向沟槽。它能够保证沟槽与中心的同轴度及沟槽精度，操作简单，快捷，适用于批量生产。

关键词：CPK制成指数；轴向孔；液压;刀具;径向沟槽；同轴度；精度

中图分类号： TH137.3     文献标识码：A      文章编号：1008-0813(2010)07-0059-02