本文關(guān)鍵詞： 液壓鎖 結(jié)構(gòu)有限元分析 結(jié)構(gòu)疲勞分析 PLC 實(shí)驗(yàn)分析　出處：《吉林大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：本論文主要研究內(nèi)容是汽車駕駛室液壓鎖自動檢測設(shè)備的研制,解決了目前單工位檢測過程中存在的檢測效率不高、純手動或半自動化、勞動效率低、檢測精度低等一系列檢測問題。同時(shí),該款設(shè)備實(shí)現(xiàn)了用一套設(shè)備可以滿足多種液壓鎖的檢測要求,具有檢測質(zhì)量可靠性高、人機(jī)互動性好、自動化程度高等眾多優(yōu)點(diǎn)。本論文根據(jù)液壓鎖的檢測技術(shù)要求,著眼于解決目前檢測效率低、檢測精度不高等問題,設(shè)計(jì)出液壓鎖檢測設(shè)備的最佳技術(shù)方案。為了方便設(shè)計(jì),把液壓鎖自動檢測設(shè)備的結(jié)構(gòu)劃分為四個(gè)子系統(tǒng):旋轉(zhuǎn)工裝系統(tǒng),拉壓檢測系統(tǒng),油壓檢測系統(tǒng)和電控系統(tǒng)。通過綜合運(yùn)用現(xiàn)代機(jī)械設(shè)計(jì),機(jī)械原理,傳感器與測試技術(shù)等理論知識,利用三維軟件SOLIDWORKS設(shè)計(jì)出各子系統(tǒng)的最佳機(jī)械結(jié)構(gòu)模型。利用ANSYS WORKBENCH有限元分析軟件,對液壓鎖檢測機(jī)進(jìn)行瞬態(tài)動力學(xué)分析、疲勞壽命分析和優(yōu)化設(shè)計(jì)分析,驗(yàn)證該設(shè)備關(guān)鍵機(jī)械結(jié)構(gòu)的方案設(shè)計(jì)的合理性和可行性,為整個(gè)設(shè)計(jì)方案的實(shí)現(xiàn)提供了可靠的技術(shù)保障。綜合考慮該檢測設(shè)備各子系統(tǒng)的特點(diǎn)、液壓鎖的檢測技術(shù)要求和企業(yè)現(xiàn)場作業(yè)條件,選取氣液系統(tǒng)作為驅(qū)動檢測系統(tǒng)。根據(jù)各子系統(tǒng)的功能與結(jié)構(gòu)特點(diǎn)以及液壓鎖的檢測技術(shù)要求,設(shè)計(jì)出氣液控制方案。根據(jù)氣液技術(shù)要求計(jì)算出氣液增壓泵的具體參數(shù),根據(jù)要檢測的技術(shù)要求計(jì)算出加載缸的內(nèi)徑,行程等參數(shù)。根據(jù)設(shè)備的檢測功能要求設(shè)計(jì)出電氣控制原理圖。本檢測機(jī)選用西門子PLC作為邏輯控制器。通過綜合應(yīng)用電氣液控制技術(shù)以及傳感器測量技術(shù)與理論,實(shí)現(xiàn)液壓鎖的自動化檢測,通過觸摸屏實(shí)現(xiàn)人機(jī)互動和實(shí)時(shí)監(jiān)測檢測數(shù)據(jù)等功能。最后根據(jù)液壓鎖的檢測技術(shù)要求,在已搭建好的檢測機(jī)上對其進(jìn)行了各項(xiàng)技術(shù)指標(biāo)的實(shí)驗(yàn)。實(shí)驗(yàn)結(jié)果表明,該檢測機(jī)運(yùn)行穩(wěn)定,可靠性高,效果良好。
[Abstract]:The main research content of this paper is the development of automatic testing equipment for hydraulic lock in automobile cab, which solves the problem that the detection efficiency in the process of single station testing is not high, pure manual or semi-automatic, and low labor efficiency. At the same time, the equipment can meet the testing requirements of many hydraulic locks with one set of equipment, with high quality and reliability, good man-machine interaction, According to the technical requirements of hydraulic lock detection, this paper aims at solving the problems of low detection efficiency and low detection precision, and designs the best technical scheme of hydraulic lock detection equipment. The structure of automatic testing equipment for hydraulic lock is divided into four subsystems: rotating tooling system, tension and compression testing system, oil pressure detecting system and electric control system. The optimal mechanical structure model of each subsystem is designed by using the three-dimensional software SOLIDWORKS and the theory knowledge of sensor and test technology. The transient dynamics of the hydraulic lock detector is analyzed by using the ANSYS WORKBENCH finite element analysis software. Fatigue life analysis and optimization design analysis verify the rationality and feasibility of the scheme design of the key mechanical structure of the equipment, and provide a reliable technical guarantee for the realization of the whole design scheme. According to the function and structure characteristics of each subsystem and the testing technology requirements of hydraulic lock, the gas liquid system is selected as the driving detection system, and the testing technology requirements of the hydraulic lock are also introduced in accordance with the testing technical requirements of the hydraulic lock and the working conditions of the enterprise. According to the technical requirements of gas-liquid, calculate the specific parameters of the gas-liquid booster pump, calculate the inner diameter of the loading cylinder according to the technical requirements to be tested, Parameters such as stroke. The electrical control principle diagram is designed according to the testing function requirements of the equipment. Siemens PLC is chosen as the logic controller of the tester. Through the comprehensive application of electro-hydraulic control technology and sensor measurement technology and theory, The automatic detection of hydraulic lock is realized, and man-machine interaction and real-time monitoring data are realized through touch screen. Finally, according to the technical requirements of hydraulic lock detection, The experimental results show that the tester runs stably, has high reliability and has good effect.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：U463.81

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