双横臂独立悬架设计毕业设计(含外文翻译）

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1、 I 双横臂独立悬架设计 摘要 双横臂式独立悬架，是一种车轮在汽车横向平面内摆动的独立悬架，这种独立悬架被 广泛应用在轿车前轮上。 双横臂式独立悬架按上、下横臂是否等长，又分为等长双横臂式和不等长双横臂式两 种悬架。等长双横臂式悬架在车轮上下跳动时，能保持主销倾角不变，但轮距变化大(与单 横臂式相类似)，造成轮胎磨损严重，现已很少用。对于不等长双横臂式悬架，只要适当选 择、优化上下横臂的长度，并通过合理的布置，就可以使轮距及前轮定位参数变化均在可 接受的限定范围内，这种结构有利于减少轮胎磨损，提高汽车行驶平顺性和方向稳定性， 保证汽车具有良好的行驶稳定性。目前不等长双横臂式悬架已广泛应用在轿车

2、的前后悬架 上，部分运动型轿车及赛车的后轮也采用这一悬架结构。 本次课题设计根据悬架系统设计的基本要求和给定的参数，完成了双横臂独立悬架的 设计。 关键词: : 汽车；双横臂独立悬架；螺旋弹簧；减振器 何建勋：双横臂独立悬架设计 II The design of double-wishbone independent suspension Abstract Double wishbone-type independent suspension, of which the wheels swing in a horizontal plane in the car, an independent

3、suspension that has been widely used in cars on the front. Double wishbone-type independent suspension in accordance with the upper and lower arm length, etc. are also divided into equal length double wishbone and a long range two-type double wishbone suspension. Such as long double wishbone suspens

4、ion in the wheel up and down beat, the kingpin inclination to maintain the same, but changes in Tread large (with a single arm is similar), resulting in severe tire wear, is now seldom used. The length double wishbone suspension, as long as the appropriate choice, to optimize the length of upper and lower arm, and a reasonable layout, you can make Tread and the front wheel alignment parameters are within acceptable limits the scope of this structure helps to reduce tire wear and improve vehicl