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某型轎車制動(dòng)系統(tǒng)設(shè)計(jì)與分析
豐田花冠轎車制動(dòng)系統(tǒng)設(shè)計(jì)與分析【鼓式制動(dòng)器】
摘要：高度可靠的制動(dòng)系統(tǒng)可以保證人員和車輛的安全。機(jī)器的運(yùn)動(dòng)部件通過(guò)制動(dòng)器作用后停止不動(dòng)或?qū)崿F(xiàn)減速。制動(dòng)器一般是安裝在設(shè)備的高速軸上,但對(duì)安全性要求較高的大型設(shè)備(如礦山起重機(jī)、電梯等)則應(yīng)該安裝在靠近設(shè)備工作部分的低速軸上。本文旨在對(duì)鼓式制動(dòng)器進(jìn)行設(shè)計(jì)與分析：首先確定了制動(dòng)器的構(gòu)造;其次,計(jì)算出相關(guān)參數(shù),并對(duì)各參數(shù)進(jìn)行強(qiáng)度校核;并繪制出裝配圖和零件圖。
關(guān)鍵詞：制動(dòng)系統(tǒng)；鼓式制動(dòng)器；設(shè)計(jì)分析
The brake system design and analysis of a model of car
Abstract：A brake is a mechanical part that allows the moving parts of the machine to stop or slow down. Betweon seme gaps adjustding deviced, equipped with automatic braking to reduce the size and structure of the braking torque, brake is commonly on the shaft equipment, as well as the safety of high speed large equipment (such as mining cranes, elevators, etc.) should be installed in the part of the low speed shaft work equipment. This article determined the structure of the brake; Second, the relevant parameters are calculated and the strength of each parameter is verified. Draow assemebly drawaings and parots drawdings.
Key words: Brake system; front and rear drum; check analysis
目 錄
摘要 I
Abstract： II
目 錄 Ⅲ
1 緒論 1
1.1 概述 1
1.2 制動(dòng)系統(tǒng)設(shè)計(jì)的意義 1
1.3 制動(dòng)系統(tǒng)發(fā)展歷史和現(xiàn)狀 1
1.4 本次制動(dòng)系統(tǒng)應(yīng)達(dá)到的技術(shù)要求 2
2 制動(dòng)系統(tǒng)方案論證分析與選擇 4
2.1 制動(dòng)器形式方案分析 4
2.1.1 鼓式制動(dòng)器 4
2.2 液壓分路系統(tǒng)的形式的選擇 6
2.2.1 II型回路 7
2.2.2 X型回路 7
3 制動(dòng)系統(tǒng)設(shè)計(jì)計(jì)算 8
3.1 制動(dòng)系統(tǒng)主要參數(shù)數(shù)值 8
3.1.1 相關(guān)主要技術(shù)參數(shù) 8
3.1.2 同步附著系數(shù)的分析 8
3.2.1 制動(dòng)力矩分配系數(shù)β 9
3.2.2 制動(dòng)鼓直徑D 10
3.2.3 求制動(dòng)蹄摩擦襯片的包角β 10
3.2.4 摩擦襯片初始角的選取 10
3.2.5 張開力P作用線至制動(dòng)器中心的距離a 10
3.2.6 摩擦片摩擦系數(shù) 11
3.3 制動(dòng)器制動(dòng)因數(shù)計(jì)算 11
3.3.1 領(lǐng)蹄制動(dòng)蹄因數(shù) 11
3.3.2 從蹄制動(dòng)蹄因數(shù) 11
3.4 制動(dòng)器主要零部件的結(jié)構(gòu)設(shè)計(jì) 11
4液壓制動(dòng)驅(qū)動(dòng)機(jī)構(gòu)的設(shè)計(jì)計(jì)算 14
4.1 制動(dòng)的輪缸直徑的計(jì)算。設(shè)計(jì)工作的容積的計(jì)算 14
4.2 制動(dòng)的主缸直徑的計(jì)算。設(shè)計(jì)工作的容積的計(jì)算 15
4.3 制動(dòng)踏板力與真空助力器 16
5 制動(dòng)性能分析 18
5.1 制動(dòng)性能評(píng)價(jià)指標(biāo) 18
5.2 制動(dòng)器制動(dòng)力分配曲線分析 19
5.3 摩擦襯片（襯塊）的磨損特性計(jì)算 20
5.3.1 比能量耗散率 20
5.3.2 比滑磨功 20
5.4駐車制動(dòng)計(jì)算 22
5.4.1汽車縱向穩(wěn)定性的極限上坡路傾斜角 22
5.4.2 汽車縱向穩(wěn)定性的極限下坡路傾斜角 22
總結(jié) 23
參 考 文 獻(xiàn) 24
致 謝 26
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豐田花冠轎車制動(dòng)系統(tǒng)設(shè)計(jì)與分析【鼓式制動(dòng)器】.doc
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