轿车的脚刹和手刹,有什么区别

2025-02-03 03:10:38
推荐回答(5个)
回答1:

脚刹是刹车时四个轮子同时刹车,手刹只是对后轮起作用的!比如你在停车时,人不在又不能用脚刹,这时手刹就起作用了!而在行驶过程中,脚刹又比手刹方便和反应快!所以行驶过程中不使用手刹,如果一旦脚刹失灵后,这时手刹也会有作用的! 手刹的专业称呼是辅助制动器,与制动器的原理不同,其是采用钢丝拉线连接到后制动蹄上,以对车子进行制动。长期使用手刹会使钢丝产生塑性变形,由于这种变形是不可恢复的,所以长期使用会降低效用,手刹的行程也会增加。
与手刹配套使用的还有回复弹簧。拉起手刹制动时,弹簧被拉长;手刹松开,弹簧回复原长。长期使用手刹时,弹簧也会产生相应变形。任何零件在长期、频繁使用时,都存在效用降低的现象。但这并不是意味着“不使用”,而是说针对零件的特点应该“正常使用”。脚刹是一种紧急制动系统,它是把制动力加在车轮上的.
而手刹是驻车制动系统,制动力是作用在车桥上的传动轴上.

脚刹:给与前轮差不多70%的刹车力和后轮30%,不懂的弄一辆车在雪地上踩刹车就明白了.

手刹:给于后轮100%的刹车力,和前轮无关.

用手刹车甩尾就相当于把滚动摩擦变成了滑动摩擦,转弯的时候突然拉手刹会造成over steering,转向过大,这就是甩尾了.甩尾的另一种情况是后轮驱动的车转弯时突然的加油门使后轮失去摩擦力甩尾,头文字d里的拓海就是玩这个的.两种情况都很危险,很容易失去对方向的控制.如果没练过千万别玩.

回答2:

1、脚刹,是通过踩踏板,在刹车总泵里面形成高压液压油,并推动油压推动刹车分泵,控制刹车气包中的制动气体,是否需要带动刹车连杆,让刹车卡钳和刹车盘摩擦,来阻止车轮转动

2普遍的手刹都是纯机械式的,是通过钢丝拉线,直接控制后轮的刹车蹄,使用是,可以直接让后轮卡死。

3、开车时用脚刹,停车后拉上手刹防止溜车,另外,脚刹是四轮同刹,手刹只刹后轮。

手刹使用注意事项

1、不宜长时间使用手刹

手刹是采用钢丝拉线连接到后制动蹄上,以对车子进行制动,长期使用手刹会使钢丝产生塑性变形,由于这种变形是不可恢复的,所以长期使用会降低效用,手刹的行程也会增加。

2、高速行驶不宜使用手刹

手刹的主要作用是控制车辆后轮的速度。但在快速行驶中,手刹的制动力作用是很小的。如果车主在高速行驶时拉动手刹,那么会很容易使后轮抱死,拉线被拉断,此时将会发生车辆侧滑,甚至翻车等现象。同时在急转弯或者雨天、冰雪地中行驶,也不要急速使用手刹,否则ABS系统就会失效,后轮完全没有转速信号,容易发生跑偏和甩尾现象。

3、斜坡停车必须拉手刹

如果在半坡中遇到堵车,车主忘记拉手刹,那就非常危险了,此时车主的精力都用在踩油门和松离合上,而忽视了脚刹,此时车辆就会下滑,加上身后其他车辆在不断按喇叭的警示声,使车主感到更加紧张,慌忙中抬起离合,车就会熄火,然后急速后倒,以至于碰到身后的车辆,一旦在必须在斜坡上停车,必须要拉好手刹。

回答3:

脚刹用在行车过程中,手刹用于停车后(多数是人离开车时)的情况,坡道停车。

回答4:

手刹用于静止时定车,使汽车不能移动,脚刹用于行驶的汽车降速或停车。在斜坡上,手刹可以保持车停住,而脚刹不用脚踩,会自动解除的,同时也便于在斜坡起步。

回答5:

你好 手刹只管后轮 脚刹全部刹 有一种脚踩的手刹 也是控制后两个轮胎的

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