The invention discloses a lightweight structure of axle reducer, which includes active bevel gear, bearing seat assembly, flange, dust shield, bearing support, reducer shell, needle roller bearing and cage assembly, and the shaft diameter of the active bevel gear is loaded into the bearing hole of the bearing seat assembly to make the end face of the active bevel gear fit the end face of the bearing. The round holes of the dust cover press into the axle diameter of the flange and the end face fits; the end face teeth of the flange match with the end face teeth of the active bevel gear and are fixed by locking nuts; the end face of the flange fits with the bearing end face of the bearing seat assembly; the bearing support is fixed on the reducer shell; the ring holes of the needle roller bearing and the cage assembly are sleeved into the bearing support. The axle diameter of the bearing seat assembly is loaded into the circular hole of the reducer housing, the end circular hole of the active bevel gear is matched with the outer diameter of the needle roller bearing and cage assembly, and the bearing seat assembly is bolted to the reducer housing.
【技术实现步骤摘要】
一种车桥减速器轻量化结构
本专利技术属于汽车驱动车桥领域,具体涉及一种车桥减速器轻量化结构。
技术介绍
国内汽车驱动车桥中,减速器总成的主动锥齿轮与突缘采用花键连接,增加了主动锥齿轮的轴向长度,进而增加了重量;减速器总成采用悬臂式导向轴承结构;增加了重量;主动锥齿轮采用实心结构,增加了重量;主动锥齿轮的轴径与两个圆锥滚子轴承配合,增加了重量。
技术实现思路
本专利技术为解决现有汽车驱动车桥中,由于减速器总成的主动锥齿轮与突缘采用花键连接,减速器总成采用悬臂式导向轴承结构,主动锥齿轮采用实心结构,主动锥齿轮的轴径与两个圆锥滚子轴承配合,导致重量增加等问题,提供一种车桥减速器轻量化结构。本专利技术是采用如下技术方案实现的:一种车桥减速器轻量化结构,包括主动锥齿轮、轴承座总成、突缘、挡尘罩、轴承支座、减速器壳、滚针轴承及保持架总成;主动锥齿轮的轴径装入轴承座总成的轴承孔中,使主动锥齿轮端面与轴承端面贴合;挡尘罩的圆孔压入突缘的轴径上且端面贴合;突缘的端面齿与主动锥齿轮的端面齿配合并通过锁紧螺母固定,突缘的端面与轴承座总成的轴承端面贴合;轴承支座固定在减速器壳上;滚针轴承及保 ...
【技术保护点】
1.一种车桥减速器轻量化结构,其特征在于,包括主动锥齿轮、轴承座总成、突缘、挡尘罩、轴承支座、减速器壳、滚针轴承及保持架总成;主动锥齿轮的轴径装入轴承座总成的轴承孔中,使主动锥齿轮端面与轴承端面贴合;挡尘罩的圆孔压入突缘的轴径上且端面贴合;突缘的端面齿与主动锥齿轮的端面齿配合并通过锁紧螺母固定,突缘的端面与轴承座总成的轴承端面贴合;轴承支座固定在减速器壳上;滚针轴承及保持架总成的圆环孔套入轴承支座的轴径;轴承座总成的轴径装入减速器壳的圆孔中,主动锥齿轮的端面圆孔与滚针轴承及保持架总成的外径配合,轴承座总成与减速器壳螺栓连接。
【技术特征摘要】
1.一种车桥减速器轻量化结构,其特征在于,包括主动锥齿轮、轴承座总成、突缘、挡尘罩、轴承支座、减速器壳、滚针轴承及保持架总成;主动锥齿轮的轴径装入轴承座总成的轴承孔中,使主动锥齿轮端面与轴承端面贴合;挡尘罩的圆孔压入突缘的轴径上且端面贴合;突缘的端面齿与主动锥齿轮的端面齿配合并通过锁紧螺母固定,突缘的端面与轴承座总成的轴承端面贴合;轴承支座固定在减速器壳上;滚针轴承及保持架总成的圆环孔套入轴承支座的轴径;轴承座总成的轴径装入减速器壳的圆孔中,主动锥齿轮的端面圆孔与滚针轴承及保持架总成的外径配合,轴承座总成与减速器壳螺栓连接。2.如权利要求1所述的一种车桥减速器轻量化结构,其特征在于,所述轴承座总成包括一号圆锥滚子内环总成、二号圆锥滚子内环总成、连接环、油封、轴承座;一号圆锥...
【专利技术属性】
技术研发人员:冯涛,吴乃云,叶兰成,姚临喆,苗士军,胡晓,刘春伟,
申请(专利权)人:一汽解放汽车有限公司,
类型:发明
国别省市:吉林,22
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