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自卸汽車連桿傾斜機(jī)構(gòu)設(shè)計(jì)
摘要
本文通過對(duì)市場上出現(xiàn)的各種中型自卸汽車的車廂和舉升機(jī)構(gòu)進(jìn)行了較詳細(xì)底了解，確認(rèn)了某型自卸汽車的車廂和舉升機(jī)構(gòu)的設(shè)計(jì)方案，較好底解決了自卸車設(shè)計(jì)和制造成本較高的問題，給生產(chǎn)、改裝自卸汽車的生產(chǎn)企業(yè)提供了一種新思路。本文首先對(duì)自卸車的設(shè)計(jì)特點(diǎn)以及國內(nèi)外發(fā)展現(xiàn)狀做了相關(guān)的概述。接著，從舉升機(jī)構(gòu)的設(shè)計(jì)、液壓系統(tǒng)的設(shè)計(jì)等方面進(jìn)行了某型自卸車的總體設(shè)計(jì)。其中，舉升機(jī)構(gòu)設(shè)計(jì)中對(duì)舉升機(jī)構(gòu)進(jìn)行了運(yùn)動(dòng)分析和受力分析，然后在液壓系統(tǒng)設(shè)計(jì)中，對(duì)其工作原理進(jìn)行了說明并通過計(jì)算得出合理的液壓裝置。最后對(duì)自卸車副車架進(jìn)行了設(shè)計(jì)。
關(guān)鍵字：自卸汽車 副車架 舉升機(jī)構(gòu) 液壓系統(tǒng)
Abstract
This article through to appear on the market a variety of medium-sized cars and lifting mechanism of dump truck to understand in detail, and confirm the carriage of a dump truck, and the design of lifting mechanism, better solved the problem of the dump truck design and manufacture of high cost, for the production, the modification of the dump truck production enterprises to provide a new way of thinking. This paper gives an overview of the design characteristics of self-unloading vehicle and the development status of the car. Then, the design of the lifting mechanism and the design of hydraulic system were carried out in the design of the dongfeng 140 dump truck. Among them, in the design of lifting mechanism of lifting mechanism motion analysis and force analysis, and then in the design of hydraulic system, its working principle is described and calculated the reasonable hydraulic equipment. Finally, the car chassis was designed.
Keyword: Dump truck Sub-frame Lifting mechanism Hydraulic system.
目錄
摘要 I
Abstract II
目錄 1
第1章 緒 論 1
1.1課題來源及研究意義 1
第2章 整車參數(shù)的確定及校核 2
2.1整車尺寸參數(shù)的確定 2
第3章 液壓舉升機(jī)構(gòu)的設(shè)計(jì) 4
3.1液壓舉升機(jī)構(gòu)時(shí)應(yīng)滿足的性能 4
3.2舉升系統(tǒng)性能主要評(píng)價(jià)參數(shù) 4
3.3液壓舉升機(jī)構(gòu)方案的確定 5
3.3.1液壓舉升機(jī)構(gòu)簡述 5
3.3.2液壓舉升機(jī)構(gòu)方案的選擇 7
3.4舉升機(jī)構(gòu)幾何尺寸的確定 8
3.4.1舉升機(jī)構(gòu)安裝位置的設(shè)計(jì) 8
3.4.2三角臂的設(shè)計(jì) 9
3.4.3拉桿長度的設(shè)計(jì)計(jì)算 9
3.5力學(xué)計(jì)算與校核 10
3.5.1機(jī)構(gòu)的坐標(biāo)計(jì)算 10
3.5.2機(jī)構(gòu)受力分析 11
3.5.3拉桿截面尺寸的確定 13
第4章 液壓系統(tǒng)的計(jì)算 14
4.1液壓油缸性能參數(shù)計(jì)算 14
4.2液壓泵性能參數(shù)計(jì)算 15
4.3系統(tǒng)壓力校核 16
4.4車廂舉升時(shí)間的校核 16
第5章 副車架與車廂及其附件的設(shè)計(jì) 17
5.1選用的底盤主車架的主要尺寸 17
5.2副車架的結(jié)構(gòu)設(shè)計(jì) 17
5.2.1副車架的外形 17
5.2.2副車架的選材 18
5.4副車架的強(qiáng)度剛度彎曲適應(yīng)性校核 18
總 結(jié) 24
致 謝 25
參考文獻(xiàn) 26
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A0-自卸汽車連桿傾斜機(jī)構(gòu)裝配圖.dwg
A0-車廂.dwg
A1-舉升機(jī)構(gòu).dwg
A1-副車架.dwg
A1-液壓缸座.dwg
A2-液壓系統(tǒng).dwg
CAXA備份
外文翻譯.doc
文件清單.txt
自卸汽車連桿傾斜機(jī)構(gòu)設(shè)計(jì)開題報(bào)告.doc
自卸汽車連桿傾斜機(jī)構(gòu)設(shè)計(jì)文獻(xiàn)綜述.doc
自卸汽車連桿傾斜機(jī)構(gòu)設(shè)計(jì)說明書.docx
