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摘 要
眾所周知，“實(shí)踐是檢驗(yàn)真理的唯一標(biāo)準(zhǔn)”?？茖W(xué)實(shí)驗(yàn)在人類認(rèn)識和探索自
然規(guī)律的過程中起著至關(guān)重要的作用，可以說沒有實(shí)驗(yàn)就沒有現(xiàn)代科學(xué)。液壓傳
動技術(shù)是機(jī)械類專業(yè)的一門基礎(chǔ)課程。液壓教學(xué)實(shí)踐表明，該課程只有通過理論
和實(shí)驗(yàn)相結(jié)合的方式教學(xué)才能取得良好的教學(xué)效果。為了滿足現(xiàn)代化液壓教學(xué)的
要求，本文提出了一種基于PLC控制的多功能液壓實(shí)驗(yàn)臺。根據(jù)該液壓實(shí)驗(yàn)臺
的用途，設(shè)計(jì)了液壓系統(tǒng)的總體方案，并將液壓仿真軟件成功用于該實(shí)驗(yàn)臺，最
后設(shè)計(jì)出實(shí)驗(yàn)臺控制程序。該多功能液壓教學(xué)實(shí)驗(yàn)臺在液壓教學(xué)方面有著廣泛的
應(yīng)用前景。
本論文對傳統(tǒng)型與現(xiàn)代型液壓綜合實(shí)驗(yàn)臺的研究現(xiàn)狀做了全面的綜述，對液壓實(shí)驗(yàn)臺的發(fā)展趨勢做了詳細(xì)的分析，并對液壓教學(xué)中常用的液壓元件和基本液壓回路的組成和原理進(jìn)行了詳盡的理論分析、總結(jié)，為多功能液壓實(shí)驗(yàn)臺的液壓回路設(shè)計(jì)奠定了可靠的理論基礎(chǔ)，也為仿真軟件的應(yīng)用提供了依據(jù)。利用模塊化的設(shè)計(jì)思想對多功能液壓實(shí)驗(yàn)臺的液壓回路進(jìn)行分塊設(shè)計(jì)。將各模塊優(yōu)化組合，設(shè)計(jì)出多功能液壓實(shí)驗(yàn)臺的液壓回路原理圖，并對其功能進(jìn)行了詳盡的說明。
液壓綜合實(shí)驗(yàn)臺包括電控、液控等，它的設(shè)計(jì)與制造將極大的緩解現(xiàn)有實(shí)驗(yàn)室實(shí)驗(yàn)設(shè)備短缺和落后的現(xiàn)狀，同時電液控綜合實(shí)驗(yàn)臺在整個液壓教學(xué)實(shí)驗(yàn)中將發(fā)揮很大的作用，是液壓教學(xué)實(shí)驗(yàn)中不可缺少的重要組成部分。本論文重點(diǎn)敘述了液壓綜合實(shí)驗(yàn)臺的系統(tǒng)組成和元件設(shè)置。從各方面分析與其它實(shí)驗(yàn)臺的不同點(diǎn)，突出它的綜合性，其最大的優(yōu)點(diǎn)就是可以在一個實(shí)驗(yàn)平臺上做多種實(shí)驗(yàn)，所做實(shí)驗(yàn)各元件和管路可由實(shí)驗(yàn)操作者自行設(shè)計(jì)、連接。設(shè)計(jì)主要圍繞實(shí)驗(yàn)臺的實(shí)驗(yàn)原理 以及整體結(jié)構(gòu)而展開，然后輔以電氣控制硬件部分的設(shè)計(jì)。
關(guān)鍵詞 實(shí)驗(yàn)臺 ；液壓 ；電控 ；PLC
ABSTRACT
????We all know, "practice is the sole criterion for testing truth." Scientific experiment in human self-awareness and exploration
the law plays a crucial role in the process, can be said that no experiment would be no modern science. Hydraulic transmission
Mechanical Engineering Technology is moving a basic course. Hydraulic practice shows that the program only through theoretical
experimental combination of teaching to achieve good teaching. In order to meet the teaching of modern hydraulic
Requirements, this paper, a PLC-based control of multi-function hydraulic test stand. According to the hydraulic test stand
Purposes, the overall design of the hydraulic system program and the success of hydraulic simulation software for the test bed, the most
After the test-bed design control procedures. The multi-function Hydraulic Experiment station in the hydraulic has a wide range of teaching
Application.
????This thesis on traditional and modern hydraulic Comprehensive Experimental Research to do a comprehensive overview of the development of hydraulic test stand to do a detailed analysis of trends, and the teaching of commonly used hydraulic components and hydraulic components and the basic hydraulic circuit principle of a detailed theoretical analysis, summarized, multi-function hydraulic test stand hydraulic circuit design has laid a reliable theoretical foundation for the application of simulation software provided. Optimization of each module will be designed multi-function hydraulic test stand hydraulic circuit diagram, and the function carried out a detailed description.
Comprehensive test-bed including electric hydraulic control, hydraulic control, etc., and its design and manufacturing will greatly ease the current shortage of laboratory equipment, and the backward status, while integrated electro-hydraulic control of the entire bench will play a very Hydraulic Experiment larger role in the hydraulic experiment teaching an important and indispensable component. Focus of this paper describes the comprehensive test-bed system of hydraulic components and component settings. All aspects of analysis and other experimental platform differences, highlight its comprehensive, its biggest advantage is that you can do in a variety of experimental platform, experimental, experiments done by the various experimental components and pipeline operators to design, Primarily designed around the principle and the experimental test bed to start the whole structure, and then supplemented by the electrical control hardware design.
Key words： test bed；hydraulic； electronic control； PLC
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