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哈爾濱工業(yè)大學(xué)華德應(yīng)用技術(shù)學(xué)院畢業(yè)設(shè)計(jì)（論文）
摘要
汽車的設(shè)計(jì)與生產(chǎn)涉及到許多的領(lǐng)域，其獨(dú)有的安全性、經(jīng)濟(jì)性、舒適性等眾多指標(biāo)，也對(duì)設(shè)計(jì)提出了更高的要求。汽車制動(dòng)系統(tǒng)是汽車行駛的一個(gè)重要主動(dòng)安全系統(tǒng)，其性能的好壞對(duì)汽車的行駛安全有著重要影響。隨著汽車的行駛速度和路面情況復(fù)雜程度的提高，更加需要高性能，長壽命的制動(dòng)系統(tǒng)。
鑒于制動(dòng)系統(tǒng)的重要性，本次設(shè)計(jì)的主要內(nèi)容就是運(yùn)輸車輛中的制動(dòng)器，從制動(dòng)系的功用及設(shè)計(jì)的要求出發(fā)，依據(jù)給定的設(shè)計(jì)參數(shù)，進(jìn)行了方案論證。對(duì)各種形式的制動(dòng)器的優(yōu)缺點(diǎn)進(jìn)行了比較后，在前盤后鼓得基礎(chǔ)上改為前后都是盤式制動(dòng)器，保持制動(dòng)力分配系數(shù)的穩(wěn)定，改善了汽車的制動(dòng)穩(wěn)定性，簡化了汽車的制動(dòng)裝置，減輕了整車質(zhì)量，從而提高了汽車在行駛過程中的安全性與穩(wěn)定性。選擇了簡單液壓驅(qū)動(dòng)機(jī)構(gòu)和雙管路系統(tǒng)，選用了間隙自動(dòng)調(diào)節(jié)裝置，采用比例閥作為制動(dòng)力的調(diào)節(jié)裝置。
關(guān)鍵詞：制動(dòng)鉗; 制動(dòng)盤; 制動(dòng)輪缸;制動(dòng)襯片
Abstract
Automobile design and production are involved in many fields, its unique safety, economy, comfort and so many indicators, also raised taller requirement to the design. Automobile braking system is an important vehicle active safety system, and its performance depends on car has an important influence on road safety. As the vehicle of the speed and pavement situation was complex degree rise, more require high-performance, long life of brake system.
In view of the importance of brake system, the design of the main content is a transport vehicles, the brake from brake system function and design, according to the requirement of design parameters, given the scheme comparison. On all forms of brake their advantages and disadvantages are discussed, based on HouGu have in QianPan instead of before and after are disc brakes, maintain braking force distribution coefficient, improves the stability of the braking stability and simplify the automobile braking device, reduce the vehicle quality, thereby improving the car while driving in the process of security and stability. Choose a simple hydraulic driving mechanism and double pipeline system, chose clearance automatic adjusting device, proportional valve as brake force adjusting device
Keywords: brake disc； Brake wheel cylinder; Brake caliper; Braking facings formulations
目錄
摘要 I
Abstract II
第1章 緒論 1
1.1 汽車工業(yè)在國民經(jīng)濟(jì)中的地位 1
1.2 汽車制動(dòng)系概述 2
1.3 設(shè)計(jì)的意義 4
小結(jié) 5
第2章 制動(dòng)器設(shè)計(jì)方案的論證和選擇 6
2.1 制動(dòng)器設(shè)計(jì)要求 6
2.2 制動(dòng)器設(shè)計(jì)的一般原則 8
2.3 制動(dòng)器方案分析 9
2.4 制動(dòng)驅(qū)動(dòng)機(jī)構(gòu)的選擇 9
2.5 制動(dòng)管路的選擇 10
2.6 鼓式制動(dòng)器與盤式制動(dòng)器的比較分析 12
2.7 制動(dòng)器間隙自動(dòng)調(diào)整裝置 16
小結(jié) 16
第3章 制動(dòng)系的主要參數(shù)及其選擇 17
3.1 制動(dòng)力與制動(dòng)力分配系數(shù) 17
3.2 同步附著系數(shù) 20
3.3 制動(dòng)器的制動(dòng)力矩 21
3.4 利用附著系數(shù)與制動(dòng)效率 22
小結(jié) 24
第4章 制動(dòng)器的設(shè)計(jì)計(jì)算 25
4.1 原始數(shù)據(jù)及主要技術(shù)參數(shù) 25
4.2 盤式制動(dòng)器主要參數(shù)的確定 25
4.3 制動(dòng)力矩與盤的壓力。 27
4.4 制動(dòng)輪缸直徑的計(jì)算 28
4.5 緊急制動(dòng)時(shí)踏板力的計(jì)算 28
4.6 制動(dòng)踏板行程的計(jì)算 28
小結(jié) 29
第五章 制動(dòng)器主要零部件結(jié)構(gòu)設(shè)計(jì)與強(qiáng)度計(jì)算 30
5.1 制動(dòng)盤 30
5.2 制動(dòng)鉗 30
5.3 制動(dòng)塊 30
5.4 摩擦材料 31
5.5 制動(dòng)器的熱容量和溫升的核算 31
5.6 強(qiáng)度校核 32
小結(jié) 33
結(jié)論 34
致謝 35
參考文獻(xiàn) 36
附錄 37
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