本文選題：金屬橡膠 + 壓縮模型　； 參考：《哈爾濱工程大學(xué)》2013年碩士論文

【摘要】：金屬橡膠是由金屬絲按照一定規(guī)則編織纏繞后通過冷沖壓而制成具有橡膠般彈性的金屬構(gòu)件，由于其具有適應(yīng)惡劣環(huán)境、可設(shè)計(jì)性強(qiáng)、減振降噪、密封節(jié)流等諸多優(yōu)點(diǎn)而廣泛應(yīng)用于航空、航天、艦船等工程領(lǐng)域。自問世以來，國內(nèi)外的學(xué)者對其進(jìn)行了大量的研究，但是由于金屬橡膠制作工藝的差異性，造成其適用性的不同。本文結(jié)合具體的項(xiàng)目指標(biāo)，完成了金屬橡膠隔振器和密封圈的制造，并對其進(jìn)行了測試分析。具體內(nèi)容如下： 1.以圓環(huán)形金屬橡膠為研究對象，通過對其成型制造過程的分析，提出了一種新的壓縮計(jì)算模型，結(jié)合現(xiàn)有理論，推導(dǎo)了壓縮載荷狀態(tài)下的計(jì)算方程。同時(shí)對幾種圓環(huán)形金屬橡膠進(jìn)行了壓縮實(shí)驗(yàn)，通過實(shí)驗(yàn)數(shù)據(jù)確定方程的系數(shù)并驗(yàn)證計(jì)算方程的準(zhǔn)確性。 2.對金屬橡膠隔振器進(jìn)行了靜態(tài)壓縮實(shí)驗(yàn)和相應(yīng)的振動(dòng)實(shí)驗(yàn)。首先進(jìn)行靜態(tài)壓縮實(shí)驗(yàn)，得到金屬橡膠的預(yù)壓縮量對其隔振器的性能影響。其次以確定預(yù)壓縮量的金屬橡膠隔振器為研究對象，進(jìn)行掃頻振動(dòng)實(shí)驗(yàn)，得到相應(yīng)的幅頻特性曲線。最后通過固有頻率下的正弦振動(dòng)實(shí)驗(yàn)，確定該頻率下金屬橡膠的傳遞率和阻尼比，分析了不同參數(shù)的試件的振動(dòng)特性。 3.基于金屬橡膠得到的實(shí)驗(yàn)數(shù)據(jù)，，驗(yàn)證了BLATA-KO橡膠模型替代金屬橡膠隔振器的可行性。然后進(jìn)行裝甲車車廂跌落的有限元仿真分析，觀察金屬橡膠的減振隔沖應(yīng)用效果；通過車箱箱體跌落的加速度云圖分析和加速度變化曲線的對比，證明了金屬橡膠在工程中具有良好的減振隔沖作用。 4.對金屬橡膠密封圈的制備工藝進(jìn)行研究，成功解決了制備過程中的一系列問題。通過密封圈密封機(jī)理的研究，結(jié)合密封圈的實(shí)際工作情況，得到了端面密封的計(jì)算公式，分析了端面密封過程中泄漏量的主要影響因素。按照端面密封的情況，設(shè)計(jì)了一套密封測試裝置，并通過該裝置驗(yàn)證了金屬橡膠密封圈的密封性能。
[Abstract]:Metal rubber is a kind of metal component with rubber elasticity made from wire braiding and winding according to certain rules by cold stamping. Because of its adaptability to harsh environment, it can be designed strongly, and can reduce vibration and noise.Sealing throttling and many other advantages are widely used in aviation, aerospace, ships and other engineering fields.Since its emergence, scholars at home and abroad have done a lot of research on it, but due to the difference of metal rubber manufacturing technology, its applicability is different.In this paper, the metal rubber vibration isolator and seal ring are manufactured and tested.The details are as follows:1.Based on the analysis of the forming process of circular metal rubber, a new compression calculation model is put forward, and the calculation equation under compression load is deduced combining with the existing theory.At the same time, the compression experiments of several kinds of circular metal rubber were carried out. The coefficients of the equation were determined by the experimental data and the accuracy of the calculation equation was verified.2.The static compression experiment and the corresponding vibration experiment of metal rubber isolator are carried out.Firstly, the static compression experiment was carried out to get the effect of precompression shrinkage on the performance of the vibration isolator of metal rubber.Secondly, taking the metal rubber vibration isolator with certain precompression shrinkage as the research object, the sweep frequency vibration experiment is carried out, and the corresponding amplitude-frequency characteristic curve is obtained.Finally, the transfer rate and damping ratio of metal rubber are determined by sinusoidal vibration experiments at natural frequency, and the vibration characteristics of the specimens with different parameters are analyzed.3.Based on the experimental data obtained from metal rubber, the feasibility of replacing metal rubber isolator with BLATA-KO rubber model is verified.Then the finite element simulation analysis of the fall of armored car car is carried out to observe the effect of vibration absorption and shock isolation of metal rubber, and through the analysis of acceleration cloud diagram and the comparison of acceleration variation curve,It is proved that metal rubber has good vibration and shock isolation in engineering.4.The preparation process of metal rubber seal ring was studied and a series of problems were solved successfully.Based on the study of sealing mechanism and the actual working conditions of seal ring, the calculation formula of end face seal is obtained, and the main influencing factors of leakage amount in the process of end face seal are analyzed.According to the condition of end face seal, a set of sealing test device is designed, and the sealing performance of metal rubber seal ring is verified by this device.
【學(xué)位授予單位】：哈爾濱工程大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TB535.1

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