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黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì) I 摘 要 盤式制動(dòng)器具有重量輕 磨損小 維修方便等優(yōu)點(diǎn) 在汽車新技術(shù)領(lǐng)域已被廣 為關(guān)注 歐美等發(fā)達(dá)國家和地區(qū)在商用車及掛車上已率先采用了盤式制動(dòng)器 根據(jù)制 動(dòng)力的作用不同 盤式制動(dòng)器分為雙活塞和單活塞兩種結(jié)構(gòu)形式 由于單活塞盤式制 動(dòng)器具有結(jié)構(gòu)緊湊 自重輕和高穩(wěn)定性等優(yōu)勢(shì) 因而更適于在各種重型卡車 客車及 掛車上配置 威伯科公司研發(fā)的單活塞盤式制動(dòng)器 已廣泛使用到 MAN VOLVO IVECO 等著名公司生產(chǎn)的重型車輛中 并主要在歐 美洲及亞太地區(qū)實(shí) 現(xiàn) 140 多萬套的銷量 新型單活塞盤式制動(dòng)器從傳統(tǒng)的雙活塞盤式制動(dòng)器結(jié)構(gòu)中的脫 穎而出 必將會(huì)成為汽車盤式制動(dòng)領(lǐng)域的新寵 汽車制動(dòng)系統(tǒng)技術(shù)是由鼓式制動(dòng)系統(tǒng)向盤式制動(dòng)系統(tǒng)發(fā)展 主要原因是由于盤式 制動(dòng)器與鼓式制動(dòng)器比較有以下優(yōu)點(diǎn) 1 熱穩(wěn)定性好 2 水穩(wěn)定行好 3 制動(dòng)力 矩與汽車運(yùn)動(dòng)方向無關(guān) 4 易于構(gòu)成雙回路制動(dòng)系統(tǒng)有較高的可靠性和安全性 5 尺寸小 質(zhì)量小 靜熱良好 6 更換襯塊簡單容易 7 襯塊與制動(dòng)盤之間的間隙小 8 易于實(shí)現(xiàn)間隙自動(dòng)調(diào)整 但是 目前在中高級(jí)轎車上前后輪都已經(jīng)采用盤式制動(dòng)器 不過 時(shí)下我們開的 大部分轎車 如夏利 富康 捷達(dá)等 采用還不完全是盤式制動(dòng)器 而是前盤后鼓 式混合制動(dòng)器 這主要是出于成本上的考慮 同時(shí)也是因?yàn)槠囋诰o急制動(dòng)時(shí) 車身 前傾 因此對(duì)前輪制動(dòng)的要求比較大 一般來說 前輪用盤式就夠用了 但是我們知 道高速行駛的轎車 由于頻繁使用制動(dòng) 制動(dòng)器的摩擦將會(huì)產(chǎn)生大量的熱使制動(dòng)器溫 度急劇上升 這些熱如果不能很好散出 就會(huì)大大影響制動(dòng)性能 出現(xiàn)所謂的制動(dòng)效 能衰退現(xiàn)象 制動(dòng)器直接關(guān)乎生命 僅從這一點(diǎn)上 就應(yīng)該改進(jìn)正在使用前盤后鼓混 合制動(dòng)器的汽車 關(guān)鍵詞 汽車主動(dòng)安全 制動(dòng)系統(tǒng) 盤式制動(dòng)器 鼓式制動(dòng)器 制動(dòng)效能 黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì) II ABSTRACT Disc brake with a light weight wear small easy maintenance etc In the car in the field of new technologies has been widespread concern Europe and the United States and other developed countries and regions in the commercial vehicle and the trailer has been at the forefront of disc brake According to the braking force of a different role Two piston disc brake and is divided into two single piston structure As the single piston disc brakes with a compact Light weight and high stability and other advantages And therefore more suitable for a variety of heavy duty trucks Bus and trailer on the configuration Wei Boke of research and development of single piston disc brake Has been widely used to MAN VOLVO IVECO and other well known companies in the production of heavy vehicles And mainly in Europe the Americas and the Asia Pacific region to achieve more than 140 million units sold New single piston disc brake from the traditional two piston disc brake in the structure stand out the car is bound to become a new favorite in the field of disc brake Automotive braking systems technology by drum braking system to the development of disc braking system The main reason is due to brake disc and drum brake has the following advantages compared with 1 Thermal stability 2 water stability of the merciful 3 brake torque direction of the movement has nothing to do with the car 4 constitutes a two circuit braking system has high reliability and security 5 small size the quality of small 6 blocks lining the replacement of simple and easy 7 disc brake lining block with the small gap between the 8 easy to achieve automatic gap adjustment But At present Qian Houlun in the high class cars have been used on the disc brake However today we have opened most of the car such as Xiali Fukang Jetta etc Is not fully used disc brake Is not fully used disc brakes but brake Qianpanhougu mixed largely because of cost considerations At the same time because the car is in the emergency brake the car forward the front wheel brake on the requirements of companies in this sector In general front wheel disc with enough spent But we know that a high speed cars due to the frequent use of braking The brake friction will have a lot of heat so that the brake 黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì) III temperature rises rapidly If they can not shed heat it will greatly affect the braking performance Will greatly affect the braking performance The braking performance of the so called recession Brake directly related to lifeFrom this point it should improve Qianpanhougu are using hybrid car brakes Keyword Disc Brake Brake pads Disc brakes Drum brakes Braking efficiency