2022年机械专业毕业设计英文文献翻译.docx

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1、精品学习资源英文原文Study of Inherent Safety Mine hoist based on modern design methodsYang Lijie 1, Meng Xiangyun2,Wang Guimei1,Niu Qingna11 Hebei University of Engineering, Handan, Hebei, 056038, China Yanglijie2552 China Telecom Handan Company, Handan, Hebei, 056038, China AbstractAs a modern security desig

2、n, Inherent Safetymeansthat equipment and facilities is able to contain theinherent fundamental features to prevent accidents. Minehoist is the most important equipment in the coal production.How to achieve safe, reliable, efficientproduction has beenthe focus study at home and abroad. Inherent safe

3、ty isreflected in hoist design, primarily through the designmeasuresto improve the operation of hoist safety andreliability. In this paper, Inherent Safety theory is applied inthe design of mine hoist, to proposed the design method byusing the software of PRO/E PLC, Labview etc.Keywords-Mine hoist；

4、Inherent Safety； PRO/E； PLC；LabviewI. INTRODUCTIONIn coal production, mine hoist is the equipment tocarry coal, gangue, materials, workers and equipmentsalong the rockshaft, the onlyway linkedunderground andaboveground, known as mine throat. Minehoist is alarge-scale reciprocating machinery which ha

5、s the featureof own big inertia, load changes, running speed, andwide range et al. The advantages and disadvantages of itsoperating performance, not only directly affect the normalproduction and coal production efficiency, but also relateto equipment and personal safety. In recent years, minehoist f

6、ailures and accidents have happened at home andabroad which have paid a heavy price to coal companies.Therefore, the production technology and safety of minehoist are higher, and its mechanical manufacturingtechnology and electrical control technology has been animportant research area to the intern

7、ational machinebuilding industry and the electric control industry.Inherent Safety means that equipment and facilities isable to contain the inherent fundamentalfeaturestopreventaccidents.InherentSafetyliesindesign, throughcontinuous improvement, to prevent accidents due to theequipment itself failu

8、res. Inherent safety is reflected inhoist design, primarilythrough the design measures toimprove the operation of hoist safety and reliability. Inthis paper, Inherent Safety theory is applied in the designof mine hoist, to proposed the inherent safety欢迎下载精品学习资源designmethod by use the software of PRO

9、/EPLC, Labviewetc.II. INHERENT SAFETY THEORYThe term of inherent safety originates the development ofworld space technology inthe1950s.Theconceptiswidelyacceptedcloselylinkedwith scientifictechnologicalprogress and human understanding ofsafetyculture. The concept of inherent safety produced after th

10、eWorld War II which became major safety concept in manyindustrialized countries since the mid 20th century.Inherent safety design as the basic method of hazardcontrol, by selecting safe materials, process routes,mechanical equipment, devices, to eliminate or controlhazards source rather than relying

11、 on additional securitymeasures or management measures to control them. Asinherent safety design, firstly analyze and identify hazardsthat may occur in system, and then choose the bestmethods to eliminate, control hazards, which reflected inproject design. . THE DESIGN OF INHERENT SAFETY MINEHOISTMi

12、nehoist mainly includs the workingdevice, controlsystem, transmission system and drag, protection systemsand other components. To the inherent safety mine hoistdesign, mainly the mechanical system, control system andmonitor system is the major part to considered.A. In-depth investigations to find ma

13、lfunctionThe concept of inherent safety is required safety allthe time in the product design process. That is, theequipment has little malfunction as much as possibleduring the operation and has long normal operation cyclelength. How can design inherent safety equipment, themost important thingis un

14、derstanding enough totheequipment, especially in work. After in-depthresearch,fully understanding the situation, try the best to reduce oreliminate the fault in the design. After in-depthunderstanding of research, design product.B. Mechanical SystemThe traditional method of product has long designcy

15、cle, high costs. However, the virtual prototypetechnology has the advantage in saving the design cost,shortening the design circle, by using the method ofmodeling, simulation first and then builds the physicalprototype. Therefore, the virtual design is the developingtrends of mechanical design. In m

16、echanical system design,the application of virtual prototype is used to design minehoist, not only speeded up the design process, alsosimulated a variety of conditions to the virtual prototype todiscover design faults, to improve the design, to improvemine hoist performance.Mine hoist mechanical sys

17、tem is composed of spindle, roller, reducer, motor, brakes and other components. In itsdesign, virtual design software PRO / E is applied toestablish hoist prototype, application of simulationsoftware ADAMSis used to欢迎下载精品学习资源simulate and optimize thedesign. Specific process shown in Figure 1:Figure

18、 1. Mechanical system designC. Control system designMine hoist control system includes start, run, brake,etc., the requirements in control system are:In normal hoist operation, participation in hoistspeed control, brake the hoist when reaching thedestination, known as the service brakin；gIn case of

19、emergency, can quickly slow downas required, brake hoist, to preventthe expansion of theaccident, that is the safety brakin；g Participate in the hoist speedcontrol whendecelerat；iTo double-roller hoist, should brake the movingroller and fixroller respectively when regulating ropelength, replacement

20、level and changing rope, so that,moving roller would not move when spindle rotates withthe fixed roller.Most of mine hoists in China more than 70% use thetraditional electric control system tkd-a as therepresentative.Tkd control system is composed of relaylogic circuits, large air contactors, tachom

21、eter generatoretc., which is a touch control system. After years ofdevelopment, tkd-a series of electric control system hasformed its own characteristics, but its shortcomings areobvious. Its electrical circuit is too complicated,multi-line, causing hoist parking and accidents occurreddue to electri

22、cal欢迎下载精品学习资源fault. With the computer and digitaltechnology, to form a digital hoist control systemof PLChas become possible. PLC control system has high controlprecision, parameter stability,simple hardware structure,self-diagnostic capabilityand communication networkingfunction.Mine hoist control

23、system based on PLC technologystructure shown in Figure 2, mainly including thefollowingcomponents: the main plc control circuits, hoistroute detection and display circuits, speed detection, andsignal circuits. The PLC of the maincontrolcircuitsusesMitsubishiFX2NseriesinJapanwhichmore domesticapplic

24、ations.Figure 2 PLC electric control systemD. Monitoring system designTo ensure safe operation of the hoist, except forselecting the reasonable operation design parameters, theuse ofadvanced controlsystem, shouldalsomonitor thetechnological parameters on regular, conscientiously doperformance test w

25、ork to欢迎下载精品学习资源master thehoistperformance,discover thedefects intime,eliminatehidden danger,avoid unnecessary losses. In addition, the hoist operationstate can be improved to work in the best conditionsbased on test data. Therefore, the hoist could work safely,reliably, have high efficiency, and ex

26、tend its work life.Virtualinstrumenttechnologyiscomputer-basedinstrumentationand measurement technology, is loadedsome software and hardware on the computer with similarappearance and performance of the actual independentinstrument. The user operating thecomputer, likemanipulatingaespecially convent

27、ionalelectronic devicesdesigned theirs. The essence of virtual instrumenttechnology is that hardware softwarized technology,takefulladvantage ofthe latest computer technology toimplement and expand the functions of traditionalinstruments.LabVIEWlaboratory virtualinstrument engineeringworkbench is a

28、graphicalprogramming and developmentenvironment, also knownas Glanguage. Itis widelyused by industry, academia and research laboratories,accepted as the standard data acquisitionand instrumentcontrol software. LabVIEWnotonlyprovides andcomplieswithallthefunctionsofhardwareanddataacquisitioncards com

29、munications of GPIB, VXI,RS-232and RS-485 protocol, and built-inlibrary functions supportfor TCP / IP, ActiveX and other software standards. Thesoftware for scientists and engineers is a programminglanguage, it provides a simple, intuitive graphicalprogramming mode, saves a lot of development time,

30、hascomplete function, best embodied style of virtualinstrument.In response to these circumstances, developed a minehoist Integrate Performance MonitoringSystem based onvirtualinstrument LabVIEW-based. Show in Figure 3.With signal conditioning and data acquisition card toreceive signals from sensors,

31、 then sent the received signalto the virtualinstrument software platform, enables thefollowing features:（ 1） show speed, acceleration, braking time,displacement, oil pressure, delaytime and other relevantparameters in digital, and display speed, acceleration,traction, displacement and hydraulic curv

32、es.（ 2 ） Dynamicallymonitor the hydraulic oilpressure andoil pump runningstation, based on these parameters toavoid important braking system failure.（3） Test brake air travel time, relay delay time andother time parameters.（4） inquiry to the measured curve and hoistparamete；rs print a test report.Fi

33、gure 3. Diagram of test system欢迎下载精品学习资源The monitoring system has characteristics such as compact, light weight, high precision, testing convenient and flexible, feature-rich software etc. the system can not only display automatically test results, but also finish multiple functions, for example , d

34、ata transmission, analysis, processing, storage and report printing. The system is high precision, can easily monitor the hoist operation state, to ensure the reliability of hoist operation. . CONCLUSIONSIn this paper, used virtual design software todesign the hoist mechanical system, PLCtodesign co

35、ntrol system, applied virtualinstrumentsoftware-LABVIEWto design monitorsystem.Therefore, the minehoist designed has goodmechanical properties and safe operation,monitoring easy.REFERENCES1 Weng qishu. The inherent safety and checks of cabinJ.navigation Technology2006 3:50-52. in Chinese2 Li jangbo.

36、 Study of Test System of CompositeCharacteristic of Devices Based on Virtual instrumentD. A Dissertation Submitted to Hebei University ofEngineering For the Academic Degree of Master ofEngineering, 2007. in Chinese3 Wang chengqin, Li wei , Meng baoxing et al.Random vibration testing system of hoisti

37、ng gear basedon virtual instrument. Coal mine machinery, 20214 :118-120. in Chinese4 Chen baozhiWu min. concept and practices ofinherent safetyJ. Journal of Safety Science andTechnology,20216:79-83. in Chinese5 Xu chenyi, Wu yongdong, Huanghe et al. APLC-based mine hoist control system design J.LC&F

38、A, 202110:52-56 in Chinese中文译文基于现代设计方法的矿井提升机内在安全性的讨论Yang Lijie 1, Meng Xiangyun2,Wang Guimei1,Niu Qingna1 1 河北工程高校 ,河北邯郸 ,056038, 中国Yanglijie2552 中国电信邯郸分公司 ,河北邯郸 ,056038, 中国欢迎下载精品学习资源摘要：作为一个现代的安全设计，内在的安全性意味着设备和设施能够包含防止事故发生的固有基本特点；矿山提升机是煤炭生产中最重要的设备；如何获得安全、牢靠、效率高的产品，已经成为国内外讨论的焦点；内在安全性在提升机的设计中主要表达在通过设计

39、方法来提高操作提升机的安全性和牢靠性；在本文中 ,把内在安全性理论应用到了矿井提升机的设计中 ,利用 PRO/E 、PLC 、Labview 等软件提出了设计方法；关键字：矿用提升机；内在安全性； PRO/E ； PLC； Labview. 介绍在煤矿生产中，矿井提升机是沿着岩石竖井携带煤炭、煤矸石、材料、工人和其他设施的设备，竖井是唯独的和地上地下连接的方式，就是我们所知的煤矿的喉咙；矿井提升机是一种具有的大惯性、负荷变化、运行速度快等特点的大型往复式机械；它本身操作性能的优点和缺点不仅直接影响到正常的产量和煤炭生产效率 ,而且关系着设备和人身安全；近年来，在国内外发生的矿用提升机失效和意外

40、情形，已经让煤炭企业付出了繁重的代价；因此,生产技术和矿用提升机的安全性越高，那么它的机械制造技术与电气掌握技术就会成为一个国际机械建筑行业和电气掌握行业的重要讨论领域；本质安全性意味着设备和设施能够包含防止事故发生的本质基本特点；本质安 全性在于设计、通过连续的改进 ,才能防止由于设备本身的失效而造成的事故， 本质安全性在提升机的设计中主要表达在通过设计方法来提高操作提升机的安全性和牢靠性；在本文中 ,把本质安全性理论应用到了矿井提升机的设计中,利用PRO/E 、PLC、Labview 等软件提出了设计方法；本质安全理论长期的固有安全性源于世界空间技术在20 世纪 50 岁月的进展；这个概念

41、被广泛的认为是科学技术进步与人类对安全文化明白的亲密联系；在其次次世 界大战后产生的本质安全性概念成为20 世纪中期以来很多工业化国家的主要安全概念；作为危急掌握的基本方法，本质安全设计是通过挑选安全的材料、工艺路线、机械设备、装置以排除或掌握危急源，而不是依靠“额外的”的安全措施或治理措施来掌握他们；作为本质安全设计，第一应分析并找出可能显现在系统里的危急，然后挑选正确的方法来排除、掌握危急，这个方法反映在工程设计中；. 矿用提升机的本质安全设计矿井提升机主要包括工作装置、掌握系统、传输系统和阻力、爱护系统以及其他组成部分；在本质安全的矿井提升机设计中，机械系统、掌握系统和监控系统是需要考虑

42、的主要部分；欢迎下载精品学习资源A: 深化调查发觉故障本质安全性的概念是指在产品的设计过程中始终需要安全性；也就是说， 设备应尽可能少的在运行过程中显现故障，并且具有长期的正常运行周期；怎样才能设计出本质安全的设备，最重要的是能足够明白设备，特别是在工作的时候；经过深化讨论、充分明白情形，然后尽可能削减或排除设计中的缺陷；在深层讨论的明白后，设计出产品；B . 机械系统传统的产品设计方法周期长、成本高；然而,虚拟现实技术通过采纳建模、仿真，然后建立物理原型的方法从而有了节约设计成本、缩短设计周期的优势；因此 ,虚拟设计是机械设计进展的必定趋势；在机械系统设计中，应用虚拟样机来设计矿用提升机，不

43、仅提高了设计速度，而且模拟了虚拟样机的各种情形以发觉设计错误，提高设计、改善矿井提升机的性能；矿井提升机的机械系统由主轴、卷筒、减速器、电机、刹车和其他组成部分；在它的设计中，虚拟设计软件PRO / E 是用来建立提升机原型的 ,模拟软件ADAMS 是用来模拟和优化设计的；详细过程如图1 所示:欢迎下载精品学习资源图.1 机械系统设计C. 掌握系统设计矿井提升机掌握系统包括启动、运行、刹车等，掌握系统的要求是：在正常的提升机操作中，参加提升机的速度掌握，到达目的地的时候制动提升机，称为制动服务；万一发生紧急情形 ,可以依据要求快速慢下来，制动提升机，以防止事故的扩大，也就是安全制动；在减速的时

44、候参加提升机的速度掌握；对于双滚筒提升机，在调剂钢丝绳长度、更换水平和变化的钢丝绳时，应当分别制动活动卷筒和固定卷筒；这样以来，当主轴随固定卷筒一起转时，活动卷筒就不能动了；欢迎下载精品学习资源中国的大部分矿井提升机（ 70% 以上）使用传统的电气掌握系统以 TKD-A 作为代表 ；TKD 掌握系统由规律电路、大型空气接触器、转速发电机等部分组 成，是一个触摸掌握系统；经过多年的进展，TKD-A 系列电动掌握系统已经形成了自身的特点，但其存在的缺陷显而易见；其电路过于复杂、多线，由于电路故障使提升机造成停车和事故的发生；通过运用运算机和数字技术，形成一个数字化提升机的 PLC 掌握系统已成为可

45、能； PLC 掌握系统具有较高的掌握精度、参数稳固、简洁的硬件结构、自诊断才能和网络通信功能；基于 PLC 掌握技术的矿井提升机掌握系统结构如图2 所示，主要包括以下几个部分：主要 PLC 掌握电路、提升机路线的检测和显示电路、速度检测和信号电路； PLC 的主要掌握电路多采纳在国内应用很多的日本三菱FX2N 系列；图.2 PLC 电子掌握系统D . 监测系统设计为了确保提升机的安全运行，除了挑选合理的操作设计参数、采纳先进的掌握系统之外，仍应当定期监控技术参数、经常做性能测试工作以把握提升机性能、准时发觉缺陷、排除隐患、防止不必要的缺失；此外，通过测试数据仍欢迎下载精品学习资源可以改善提升机

46、的操作状态达到正确工作状况；因此，提升机可以安全、牢靠、高效率的运行以延长其运行寿命；虚拟仪器技术是基于运算机的仪器和测试技术，被装载一些运算机上的硬件和软件且具有相像的外观和性能的现实独立仪器；使用这台运算机的用户， 就像操纵了一个特别的设计其本身的传统电子设备虚拟仪器技术其本质就是把硬件软件化的技术，充分利用先进的电脑技术来补充和扩展传统仪器的功能；LabVIEW 试验室虚拟仪器工程工作台 是一种图形化程序和开发环境，也被称为“ G”的语言；它被广泛地用工业、学术界和讨论试验室，作为标准的数据采集和仪器掌握软件； LabVIEW 中不仅供应和支持了全部硬件和数据采集卡的 GPIB ， VX

47、I 总线， RS - 232 和 RS - 485 通信协议，而且建立了支持 TCP/ IP， ActiveX 和其他软件标准的内置库函数；此软件对科学家和工程师来说是一个编程语言，它供应了一个简洁、直观的图形编程模式，节约了大量的开发时间，功能齐全，正确的表达了虚拟仪器的类型；针对上述情形，研制出了基于虚拟仪器LabVIEW 的矿井提升机综合性能监控系统；如图3 所示；通过信号处理和数据采集卡从传感器那里接收信号，然后把接收的信号送到虚拟仪器软件平台，具有以下特点:（1） 数字化的显示速度、加速度、制动时间、位移、油压、推迟时间和其他相关参数，并且显示速度、加速度 ,牵引力、位移与液压曲线；

48、（2） 动态监测液压油压力和油泵运行站，基于这些参数来防止重要制动系统的失败；（3） 测试刹车空载时间，继电器延时时间和其他时间参数；（4） 调查实测曲线和提升机参数；打印测试报告；图.3 测试系统图表此监控系统具有体积小、重量轻、精度高、测试便利、敏捷、富有特色软件等特点；该系统不仅可以显示自动测试的结果，也可以完成的多种功能，例如数据传输、分析、处理、储备和报告打印；该系统具有较高的运算精度，可以很轻易地监控提升机的运行状态，以保持提升机操作的牢靠性；欢迎下载精品学习资源. 结论在本文中，通过使用虚拟设计软件设计提升机的机械系统，通过可编程序 掌握器 PLC 设计掌握系统，应用虚拟仪器软件 -LABVIEW 设