本文關(guān)鍵詞：平面渦卷彈簧性能分析與優(yōu)化設(shè)計(jì)　出處：《大連海事大學(xué)》2017年碩士論文　論文類(lèi)型：學(xué)位論文

  更多相關(guān)文章： 渦卷彈簧 釋放沖擊 釋放時(shí)間 響應(yīng)面法 多目標(biāo)優(yōu)化 分離裝置

【摘要】：平面渦卷彈簧作為儲(chǔ)能驅(qū)動(dòng)元件廣泛應(yīng)用于各種機(jī)械裝置中,其輸出扭矩、沖擊等性能對(duì)裝置性能、可靠性和安全性具有重要影響。本文基于Box-Behnken試驗(yàn)測(cè)試方案,利用方差分析和響應(yīng)面法研究平面渦卷彈簧設(shè)計(jì)參數(shù)對(duì)其輸出性能的影響規(guī)律,建立其輸出性能回歸模型;以分離裝置使用的平面渦卷彈簧為例,基于試驗(yàn)測(cè)試結(jié)果,建立平面渦卷彈簧優(yōu)化設(shè)計(jì)模型;通過(guò)分離裝置性能測(cè)試試驗(yàn),驗(yàn)證了平面渦卷彈簧優(yōu)化設(shè)計(jì)模型的有效性。本文主要研究?jī)?nèi)容包括:(1)建立平面渦卷彈簧性能測(cè)試系統(tǒng),基于Box-Behnken試驗(yàn)設(shè)計(jì)方案,利用方差分析、誤差分析和響應(yīng)面法,分析平面渦卷彈簧設(shè)計(jì)參數(shù)(厚度、寬度和長(zhǎng)度)對(duì)卷簧扭矩、釋放沖擊和釋放時(shí)間等性能的影響規(guī)律。試驗(yàn)結(jié)果表明:平面渦卷彈簧厚度、寬度和長(zhǎng)度均對(duì)扭矩、釋放沖擊和釋放時(shí)間具有顯著影響;厚度是影響三個(gè)性能參數(shù)的最顯著因素,長(zhǎng)度與厚度和寬度的交叉項(xiàng)對(duì)三個(gè)性能參數(shù)影響不顯著;建立了平面渦卷彈簧扭矩、釋放沖擊和釋放時(shí)間與設(shè)計(jì)參數(shù)之間的回歸模型,并通過(guò)誤差分析、多元相關(guān)系數(shù)、可信度等分析,驗(yàn)證了模型的有效性和可信性,為平面渦卷彈簧性能優(yōu)化設(shè)計(jì)提供理論支持。(2)以分離裝置中平面渦卷彈簧設(shè)計(jì)為應(yīng)用背景,基于平面渦卷彈簧試驗(yàn)測(cè)試分析結(jié)果,以平面渦卷彈簧厚度、寬度和長(zhǎng)度為優(yōu)化變量,最小釋放沖擊和最小釋放時(shí)間為優(yōu)化目標(biāo),考慮輸出轉(zhuǎn)矩、連接強(qiáng)度、鎖緊力、復(fù)位載荷等性能約束,建立平面渦卷彈簧多目標(biāo)優(yōu)化設(shè)計(jì)模型,采用多目標(biāo)進(jìn)化算法求解獲得最優(yōu)設(shè)計(jì)方案。設(shè)計(jì)案例分析表明,與傳統(tǒng)設(shè)計(jì)方案相比,優(yōu)化設(shè)計(jì)方案釋放沖擊和釋放時(shí)間分別降低24.7%和4.8%。(3)將平面渦卷彈簧優(yōu)化方案應(yīng)用于分離裝置,進(jìn)行承載力、釋放沖擊、釋放時(shí)間和高低溫環(huán)境試驗(yàn)測(cè)試分析。優(yōu)化設(shè)計(jì)和傳統(tǒng)設(shè)計(jì)方案試驗(yàn)結(jié)果對(duì)比分析表明:不加載時(shí)平面渦卷彈簧釋放沖擊測(cè)試值與理論值誤差為2.8%,加載到5000 N時(shí)優(yōu)化方案釋放沖擊最大值和最小值分別下降49.5%和5.3%;不加載時(shí)平面渦卷彈簧釋放時(shí)間測(cè)試值與理論值誤差為2.8%,加載時(shí)優(yōu)化方案釋放時(shí)間最大值和最小值分別下降4.4%和2.8%;分離裝置在-45℃—80℃范圍內(nèi)均可以成功解鎖。
[Abstract]:Plane scroll spring as an energy storage driving element is widely used in various mechanical devices, the output torque of the device performance impact performance, has important influence on reliability and safety. The Box-Behnken test scheme based on the variance analysis and response effects of design parameters on plane scroll spring method on the output performance of the building the regression model of the output performance; the flat spiral spring used in the separation device as an example, based on the experimental results, a model for the optimal design of plane scroll spring; the separation device performance test, verify the effectiveness of the optimal design model of plane scroll spring. The main contents of this paper include: (1) the establishment of plane scroll spring performance test Box-Behnken test system design based on the analysis, using the variance, error analysis and response surface method, analysis of plane scroll spring design The parameters (thickness, width and length) of the coil spring torque, influence of shock release and release time performance. The experimental results show that the plane scroll spring thickness, width and length of torque, impact release and release time has significant effect; the thickness is the most significant factors affecting the performance of the three parameters, the cross term length with the thickness and width of the influence on the performance of the three parameters is not significant; a plane scroll spring torque, a regression model between the release and the release time and the impact of design parameters, and through error analysis, correlation coefficient, reliability analysis, verify the validity of the model and credibility for performance optimization design for plane scroll spring the theory of support. (2) to design the plane scroll spring separation device as the application background, the plane scroll spring test based on the results of the analysis to the plane scroll spring thickness, width and length As optimization variables, and the minimum impact of minimum release release time as the optimization objective, the connection strength considering the output torque, locking force, load reduction and performance constraints, a multi-objective optimization design model of flat spiral spring, a multi-objective evolutionary algorithm for solving the optimal design scheme. The design of case analysis shows that compared with the traditional design scheme optimization design, release the impact and release time were reduced by 24.7% and 4.8%. (3) plane scroll spring optimization scheme is applied to the separation device, the bearing capacity, the impact of the release, release time and high temperature environment test and analysis. The comparative analysis of test results of optimization design and traditional design show that the loading plane scroll spring release the impact test value and the theoretical value of error was 2.8%, loading to 5000 N optimization scheme to release the impact of maximum and minimum values were decreased by 49.5% and 5.3%; and The error between the measured time and the theoretical value of the time of plane scroll spring release is 2.8%, and the maximum and minimum time of the optimal release time is 4.4% and 2.8% respectively, and the separation device can be unlocked in the range of -45 to 80 degrees.

【學(xué)位授予單位】：大連海事大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TH135

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