本文關(guān)鍵詞：機(jī)械單驅(qū)與全液壓雙驅(qū)單鋼輪振動(dòng)壓路機(jī)的性能對(duì)比　出處：《長(zhǎng)安大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 壓路機(jī) 機(jī)械單驅(qū) 全液壓雙驅(qū) 壓實(shí)度 牽引力 爬坡

【摘要】：單鋼輪振動(dòng)壓路機(jī)在公路施工中是不可或缺的壓實(shí)設(shè)備，主要用于基層、底基層及填方的壓實(shí)作業(yè)。實(shí)踐經(jīng)驗(yàn)表明，基層壓實(shí)度每提高1%，基礎(chǔ)承載能力便可提高10%。由此可見底基層、基層及填方的壓實(shí)度對(duì)公路的承載能力及使用壽命有著非常重要的作用。單鋼輪振動(dòng)壓路機(jī)有兩種驅(qū)動(dòng)方式，，機(jī)械單驅(qū)與全液壓雙驅(qū)的性能對(duì)比分析研究可以為公路施工中單鋼輪振動(dòng)壓路機(jī)的選用與使用提供參考。 本文首先根據(jù)國(guó)內(nèi)某兩個(gè)廠家的單鋼輪振動(dòng)壓路機(jī)的性能參數(shù)，計(jì)算分析確定了當(dāng)量壓實(shí)能力相當(dāng)?shù)膶?duì)比機(jī)型：26噸機(jī)械單驅(qū)式與20噸全液壓雙驅(qū)式單鋼輪振動(dòng)壓路機(jī)，為了準(zhǔn)確的對(duì)比兩臺(tái)樣機(jī)的壓實(shí)作業(yè)性能及牽引爬坡性能，對(duì)其相關(guān)的主要性能參數(shù)進(jìn)行了試驗(yàn)測(cè)試分析。 然后通過理論分析與試驗(yàn)研究相結(jié)合的方法對(duì)兩臺(tái)樣機(jī)的壓實(shí)作業(yè)性能及牽引爬坡性能進(jìn)行了對(duì)比分析研究。 在壓實(shí)作業(yè)性能對(duì)比中，首先介紹了土壤的振動(dòng)壓實(shí)機(jī)理及與壓實(shí)相關(guān)的物理性能參數(shù)，其次理論分析了單鋼輪振動(dòng)壓路機(jī)質(zhì)量參數(shù)、振動(dòng)參數(shù)、驅(qū)動(dòng)方式及壓實(shí)作業(yè)速度對(duì)其壓實(shí)作業(yè)質(zhì)量的影響并通過擊實(shí)試驗(yàn)確定了試驗(yàn)土壤的最佳含水量與最大干密度，最后試驗(yàn)研究分析了兩臺(tái)樣機(jī)以最佳工況對(duì)相同試驗(yàn)土壤進(jìn)行壓實(shí)作業(yè)后土壤壓實(shí)度、壓實(shí)度均勻性、表面平整度的對(duì)比情況。 在牽引爬坡性能對(duì)比中，首先介紹了全液壓雙驅(qū)式單鋼輪振動(dòng)壓路機(jī)前后輪的動(dòng)力分配情況并對(duì)其驅(qū)動(dòng)輪動(dòng)力半徑進(jìn)行了標(biāo)定，其次對(duì)兩臺(tái)樣機(jī)由最大驅(qū)動(dòng)力、最大附著力及坡道穩(wěn)定性所決定的爬坡性能進(jìn)行了對(duì)比分析，最后通過最大牽引力試驗(yàn)對(duì)比分析兩臺(tái)樣機(jī)各檔前進(jìn)、后退牽引過程中的牽引力變化情況，并驗(yàn)證理論分析的樣機(jī)最大爬坡能力。 最后對(duì)兩臺(tái)樣機(jī)的起步起振與停車停振性能、操作性能、智能監(jiān)測(cè)與自動(dòng)控制性能、工況適應(yīng)性與安全性及運(yùn)營(yíng)總費(fèi)用等進(jìn)行了對(duì)比分析研究。
[Abstract]:Single steel wheel vibratory roller is an indispensable compaction equipment in highway construction. It is mainly used in compaction operation of base, base and fill. Practical experience shows that the compaction degree of base is increased by 1%. This shows that the compaction of the base, base and fill has a very important effect on the bearing capacity and service life of the highway. There are two driving modes for the single wheel vibration roller. The comparative analysis and study of mechanical single drive and full hydraulic double drive can provide a reference for the selection and application of single steel wheel vibratory roller in highway construction. In this paper, firstly, according to the performance parameters of a single steel wheel vibratory roller made by two domestic manufacturers. The comparison of equivalent compaction capacity is obtained by calculation and analysis. The type of single drive type: 26 ton mechanical single drive type and 20 ton full hydraulic double drive type single steel wheel vibratory roller are determined. In order to accurately compare the compaction performance and traction climbing performance of the two prototypes, the related main performance parameters were tested and analyzed. Then the compaction performance and traction slope climbing performance of the two prototypes are compared and analyzed by combining theoretical analysis with experimental research. In compaction performance comparison, firstly, the vibratory compaction mechanism of soil and the physical performance parameters related to compaction are introduced. Secondly, the quality parameters and vibration parameters of single steel wheel vibratory roller are analyzed theoretically. The effect of driving mode and compaction speed on the quality of compaction was studied. The optimum moisture content and maximum dry density of soil were determined by compaction test. Finally, the comparison of the compaction degree, compaction uniformity and surface smoothness of the two prototypes on the same test soil under the best working condition was studied. In the comparison of traction climbing performance, the dynamic distribution of front and rear wheels of full hydraulic double drive single steel wheel vibratory roller is introduced and the dynamic radius of driving wheel is calibrated. Secondly, the performance of the two prototypes determined by the maximum driving force, the maximum adhesion and the stability of the ramp are compared and analyzed. Finally, through the maximum traction test, the two prototypes are compared to analyze the advance of the two prototypes. The variation of tractive force in the process of backward traction is verified, and the maximum climbing ability of the prototype analyzed by theory is verified. Finally, the performance of starting and stopping vibration, operation performance, intelligent monitoring and automatic control, working condition adaptability and safety, and total operating cost of the two prototypes are compared and analyzed.
【學(xué)位授予單位】：長(zhǎng)安大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U415.521

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本文編號(hào)：1414025