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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 作為汽車(chē)關(guān)鍵零部件之一的車(chē)橋系統(tǒng)也得到相應(yīng)的發(fā)展，在一般的汽車(chē)結(jié)構(gòu)中， 驅(qū)動(dòng)橋包括主減速器(又稱(chēng)主傳動(dòng)器)、差速器、半軸及橋殼等部件。單級(jí)主減速器 通常由主動(dòng)齒輪和從動(dòng)齒輪組成。在雙級(jí)主減速器中，通常還要加一對(duì)圓柱齒輪或 一組行星齒輪。在輪邊減速器中則常采用普通平行軸式布置的斜齒圓柱齒輪傳動(dòng)或 行星齒輪傳動(dòng)。主減速器采用的最廣泛的是螺旋錐齒輪和雙曲面齒輪。 本設(shè)計(jì)首先參考類(lèi)似驅(qū)動(dòng)橋主減速器的結(jié)構(gòu)對(duì)比優(yōu)缺點(diǎn)，確定出總體設(shè)計(jì)方案； 然后確定主要部件的結(jié)構(gòu)型式和主要設(shè)計(jì)參數(shù)；最后對(duì)主，從動(dòng)錐齒輪，差速器圓 錐行星齒輪，半軸齒輪，全浮式半軸進(jìn)行校核以及對(duì)支承軸承進(jìn)行了壽命校核。并 對(duì)主減速器主動(dòng)錐齒輪進(jìn)行有限元分析。本設(shè)計(jì)采用傳統(tǒng)的雙曲面錐齒輪式單級(jí)主 減速器作為 CA1090 的主減速器。 關(guān)鍵詞: CA1090；主減速器；雙曲面錐齒輪；軸承；行星齒輪；有限元分析 黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì) II ABSTRACT One of the key components of a vehicle bridge system has also been a corresponding development of the automobile in the general structure, including the main gear axle (also known as the main drive device), differential, axle and axle housing and other components. Usually single-stage final drive gear and driven gear components. In the two-stage final drive, usually also add a pair of spur gear or a group of planetary gears. Reducer in the wheel is usually arranged by common parallel shaft helical gears or planetary gears. Final drive is the most widely used spiral bevel gear and hypoid gear. The drive axle design similar to the first reference to the structure of comparative advantages and disadvantages of the main gear, determined the overall design scheme; and then identify the main components of the structure type and the main design parameters; Finally, the driving and driven bevel gear, planetary gear differential cone, axle gear, full floating axle bearings were checked and were on life support check. Bevel gear final drive and initiative to the finite element method. This design uses a traditional-style hypoid bevel final drive as the CA1090 single-stage main gear. Key word: CA1090; Main Gear; Hypoid Gears; Bearing; Planetary Gear；FEA